944 files changed, 34674 insertions, 17239 deletions

diff --git a/drivers/Makefile b/drivers/Makefile
index 03da5b663ae..a16a8d001ae 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -17,6 +17,10 @@ obj-$(CONFIG_PARISC)		+= parisc/
 obj-$(CONFIG_RAPIDIO)		+= rapidio/
 obj-y				+= video/
 obj-y				+= idle/
+
+# IPMI must come before ACPI in order to provide IPMI opregion support
+obj-$(CONFIG_IPMI_HANDLER)	+= char/ipmi/
+
 obj-$(CONFIG_ACPI)		+= acpi/
 obj-$(CONFIG_SFI)		+= sfi/
 # PnP must come after ACPI since it will eventually need to check if acpi
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 47199e2a913..82422fe90f8 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -47,6 +47,10 @@ acpi-y				+= video_detect.o
 endif
 
 # These are (potentially) separate modules
+
+# IPMI may be used by other drivers, so it has to initialise before them
+obj-$(CONFIG_ACPI_IPMI)		+= acpi_ipmi.o
+
 obj-$(CONFIG_ACPI_AC) 		+= ac.o
 obj-$(CONFIG_ACPI_BUTTON)	+= button.o
 obj-$(CONFIG_ACPI_FAN)		+= fan.o
@@ -70,6 +74,5 @@ processor-y			+= processor_idle.o processor_thermal.o
 processor-$(CONFIG_CPU_FREQ)	+= processor_perflib.o
 
 obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o
-obj-$(CONFIG_ACPI_IPMI)		+= acpi_ipmi.o
 
 obj-$(CONFIG_ACPI_APEI)		+= apei/
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 7edaccce664..a51df968131 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -71,9 +71,6 @@ enum ec_command {
 #define ACPI_EC_UDELAY_GLK	1000	/* Wait 1ms max. to get global lock */
 #define ACPI_EC_MSI_UDELAY	550	/* Wait 550us for MSI EC */
 
-#define ACPI_EC_STORM_THRESHOLD 8	/* number of false interrupts
-					   per one transaction */
-
 enum {
 	EC_FLAGS_QUERY_PENDING,		/* Query is pending */
 	EC_FLAGS_GPE_STORM,		/* GPE storm detected */
@@ -87,6 +84,15 @@ static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY;
 module_param(ec_delay, uint, 0644);
 MODULE_PARM_DESC(ec_delay, "Timeout(ms) waited until an EC command completes");
 
+/*
+ * If the number of false interrupts per one transaction exceeds
+ * this threshold, will think there is a GPE storm happened and
+ * will disable the GPE for normal transaction.
+ */
+static unsigned int ec_storm_threshold  __read_mostly = 8;
+module_param(ec_storm_threshold, uint, 0644);
+MODULE_PARM_DESC(ec_storm_threshold, "Maxim false GPE numbers not considered as GPE storm");
+
 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
 /* External interfaces use first EC only, so remember */
 typedef int (*acpi_ec_query_func) (void *data);
@@ -319,7 +325,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 		msleep(1);
 		/* It is safe to enable the GPE outside of the transaction. */
 		acpi_enable_gpe(NULL, ec->gpe);
-	} else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) {
+	} else if (t->irq_count > ec_storm_threshold) {
 		pr_info(PREFIX "GPE storm detected, "
 			"transactions will use polling mode\n");
 		set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
@@ -924,6 +930,17 @@ static int ec_flag_msi(const struct dmi_system_id *id)
 	return 0;
 }
 
+/*
+ * Clevo M720 notebook actually works ok with IRQ mode, if we lifted
+ * the GPE storm threshold back to 20
+ */
+static int ec_enlarge_storm_threshold(const struct dmi_system_id *id)
+{
+	pr_debug("Setting the EC GPE storm threshold to 20\n");
+	ec_storm_threshold  = 20;
+	return 0;
+}
+
 static struct dmi_system_id __initdata ec_dmi_table[] = {
 	{
 	ec_skip_dsdt_scan, "Compal JFL92", {
@@ -955,10 +972,13 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
 	{
 	ec_validate_ecdt, "ASUS hardware", {
 	DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc.") }, NULL},
+	{
+	ec_enlarge_storm_threshold, "CLEVO hardware", {
+	DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
+	DMI_MATCH(DMI_PRODUCT_NAME, "M720T/M730T"),}, NULL},
 	{},
 };
 
-
 int __init acpi_ec_ecdt_probe(void)
 {
 	acpi_status status;
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index d1a2d74033e..08373086cd7 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -159,6 +159,7 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
 	if (physical_node->node_id >= ACPI_MAX_PHYSICAL_NODE) {
 		retval = -ENOSPC;
 		mutex_unlock(&acpi_dev->physical_node_lock);
+		kfree(physical_node);
 		goto err;
 	}
 
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index e78c2a52ea4..bd4e5dca3ff 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -409,6 +409,7 @@ static void acpi_processor_notify(struct acpi_device *device, u32 event)
 		acpi_bus_generate_proc_event(device, event, 0);
 		acpi_bus_generate_netlink_event(device->pnp.device_class,
 						  dev_name(&device->dev), event, 0);
+		break;
 	default:
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 				  "Unsupported event [0x%x]\n", event));
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 3655ab92381..e8086c72530 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1132,7 +1132,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
 int acpi_processor_hotplug(struct acpi_processor *pr)
 {
 	int ret = 0;
-	struct cpuidle_device *dev = per_cpu(acpi_cpuidle_device, pr->id);
+	struct cpuidle_device *dev;
 
 	if (disabled_by_idle_boot_param())
 		return 0;
@@ -1147,6 +1147,7 @@ int acpi_processor_hotplug(struct acpi_processor *pr)
 	if (!pr->flags.power_setup_done)
 		return -ENODEV;
 
+	dev = per_cpu(acpi_cpuidle_device, pr->id);
 	cpuidle_pause_and_lock();
 	cpuidle_disable_device(dev);
 	acpi_processor_get_power_info(pr);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index edda74a4340..804204d4199 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -708,6 +708,40 @@ static int thermal_get_crit_temp(struct thermal_zone_device *thermal,
 		return -EINVAL;
 }
 
+static int thermal_get_trend(struct thermal_zone_device *thermal,
+				int trip, enum thermal_trend *trend)
+{
+	struct acpi_thermal *tz = thermal->devdata;
+	enum thermal_trip_type type;
+	int i;
+
+	if (thermal_get_trip_type(thermal, trip, &type))
+		return -EINVAL;
+
+	if (type == THERMAL_TRIP_ACTIVE) {
+		/* aggressive active cooling */
+		*trend = THERMAL_TREND_RAISING;
+		return 0;
+	}
+
+	/*
+	 * tz->temperature has already been updated by generic thermal layer,
+	 * before this callback being invoked
+	 */
+	i = (tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature))
+		+ (tz->trips.passive.tc2
+		* (tz->temperature - tz->trips.passive.temperature));
+
+	if (i > 0)
+		*trend = THERMAL_TREND_RAISING;
+	else if (i < 0)
+		*trend = THERMAL_TREND_DROPPING;
+	else
+		*trend = THERMAL_TREND_STABLE;
+	return 0;
+}
+
+
 static int thermal_notify(struct thermal_zone_device *thermal, int trip,
 			   enum thermal_trip_type trip_type)
 {
@@ -731,11 +765,9 @@ static int thermal_notify(struct thermal_zone_device *thermal, int trip,
 	return 0;
 }
 
-typedef int (*cb)(struct thermal_zone_device *, int,
-		  struct thermal_cooling_device *);
 static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
 					struct thermal_cooling_device *cdev,
-					cb action)
+					bool bind)
 {
 	struct acpi_device *device = cdev->devdata;
 	struct acpi_thermal *tz = thermal->devdata;
@@ -759,11 +791,19 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
 		    i++) {
 			handle = tz->trips.passive.devices.handles[i];
 			status = acpi_bus_get_device(handle, &dev);
-			if (ACPI_SUCCESS(status) && (dev == device)) {
-				result = action(thermal, trip, cdev);
-				if (result)
-					goto failed;
-			}
+			if (ACPI_FAILURE(status) || dev != device)
+				continue;
+			if (bind)
+				result =
+					thermal_zone_bind_cooling_device
+					(thermal, trip, cdev,
+					 THERMAL_NO_LIMIT, THERMAL_NO_LIMIT);
+			else
+				result =
+					thermal_zone_unbind_cooling_device
+					(thermal, trip, cdev);
+			if (result)
+				goto failed;
 		}
 	}
 
@@ -776,11 +816,17 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
 		    j++) {
 			handle = tz->trips.active[i].devices.handles[j];
 			status = acpi_bus_get_device(handle, &dev);
-			if (ACPI_SUCCESS(status) && (dev == device)) {
-				result = action(thermal, trip, cdev);
-				if (result)
-					goto failed;
-			}
+			if (ACPI_FAILURE(status) || dev != device)
+				continue;
+			if (bind)
+				result = thermal_zone_bind_cooling_device
+					(thermal, trip, cdev,
+					 THERMAL_NO_LIMIT, THERMAL_NO_LIMIT);
+			else
+				result = thermal_zone_unbind_cooling_device
+					(thermal, trip, cdev);
+			if (result)
+				goto failed;
 		}
 	}
 
@@ -788,7 +834,14 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
 		handle = tz->devices.handles[i];
 		status = acpi_bus_get_device(handle, &dev);
 		if (ACPI_SUCCESS(status) && (dev == device)) {
-			result = action(thermal, -1, cdev);
+			if (bind)
+				result = thermal_zone_bind_cooling_device
+						(thermal, -1, cdev,
+						 THERMAL_NO_LIMIT,
+						 THERMAL_NO_LIMIT);
+			else
+				result = thermal_zone_unbind_cooling_device
+						(thermal, -1, cdev);
 			if (result)
 				goto failed;
 		}
@@ -802,16 +855,14 @@ static int
 acpi_thermal_bind_cooling_device(struct thermal_zone_device *thermal,
 					struct thermal_cooling_device *cdev)
 {
-	return acpi_thermal_cooling_device_cb(thermal, cdev,
-				thermal_zone_bind_cooling_device);
+	return acpi_thermal_cooling_device_cb(thermal, cdev, true);
 }
 
 static int
 acpi_thermal_unbind_cooling_device(struct thermal_zone_device *thermal,
 					struct thermal_cooling_device *cdev)
 {
-	return acpi_thermal_cooling_device_cb(thermal, cdev,
-				thermal_zone_unbind_cooling_device);
+	return acpi_thermal_cooling_device_cb(thermal, cdev, false);
 }
 
 static const struct thermal_zone_device_ops acpi_thermal_zone_ops = {
@@ -823,6 +874,7 @@ static const struct thermal_zone_device_ops acpi_thermal_zone_ops = {
 	.get_trip_type = thermal_get_trip_type,
 	.get_trip_temp = thermal_get_trip_temp,
 	.get_crit_temp = thermal_get_crit_temp,
+	.get_trend = thermal_get_trend,
 	.notify = thermal_notify,
 };
 
@@ -849,15 +901,12 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
 		tz->thermal_zone =
 			thermal_zone_device_register("acpitz", trips, 0, tz,
 						     &acpi_thermal_zone_ops,
-						     tz->trips.passive.tc1,
-						     tz->trips.passive.tc2,
 						     tz->trips.passive.tsp*100,
 						     tz->polling_frequency*100);
 	else
 		tz->thermal_zone =
 			thermal_zone_device_register("acpitz", trips, 0, tz,
-						     &acpi_thermal_zone_ops,
-						     0, 0, 0,
+						     &acpi_thermal_zone_ops, 0,
 						     tz->polling_frequency*100);
 	if (IS_ERR(tz->thermal_zone))
 		return -ENODEV;
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index f94d4c818fc..0230cb6cbb3 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1345,12 +1345,15 @@ static int
 acpi_video_bus_get_devices(struct acpi_video_bus *video,
 			   struct acpi_device *device)
 {
-	int status;
+	int status = 0;
 	struct acpi_device *dev;
 
-	status = acpi_video_device_enumerate(video);
-	if (status)
-		return status;
+	/*
+	 * There are systems where video module known to work fine regardless
+	 * of broken _DOD and ignoring returned value here doesn't cause
+	 * any issues later.
+	 */
+	acpi_video_device_enumerate(video);
 
 	list_for_each_entry(dev, &device->children, node) {
 
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 08b4c520938..b34b5cda5ae 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -236,7 +236,7 @@ config CMA_SIZE_PERCENTAGE
 
 choice
 	prompt "Selected region size"
-	default CMA_SIZE_SEL_ABSOLUTE
+	default CMA_SIZE_SEL_MBYTES
 
 config CMA_SIZE_SEL_MBYTES
 	bool "Use mega bytes value only"
diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c
index 560a7173f81..bc256b64102 100644
--- a/drivers/base/dma-coherent.c
+++ b/drivers/base/dma-coherent.c
@@ -191,9 +191,8 @@ EXPORT_SYMBOL(dma_release_from_coherent);
  * This checks whether the memory was allocated from the per-device
  * coherent memory pool and if so, maps that memory to the provided vma.
  *
- * Returns 1 if we correctly mapped the memory, or 0 if
- * dma_release_coherent() should proceed with mapping memory from
- * generic pools.
+ * Returns 1 if we correctly mapped the memory, or 0 if the caller should
+ * proceed with mapping memory from generic pools.
  */
 int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma,
 			   void *vaddr, size_t size, int *ret)
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 9a1469474f5..612afcc5a93 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -27,15 +27,12 @@
 #include <linux/mm.h>
 #include <linux/mutex.h>
 #include <linux/page-isolation.h>
+#include <linux/sizes.h>
 #include <linux/slab.h>
 #include <linux/swap.h>
 #include <linux/mm_types.h>
 #include <linux/dma-contiguous.h>
 
-#ifndef SZ_1M
-#define SZ_1M (1 << 20)
-#endif
-
 struct cma {
 	unsigned long	base_pfn;
 	unsigned long	count;
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 81541452887..8945f4e489e 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -36,68 +36,6 @@ MODULE_AUTHOR("Manuel Estrada Sainz");
 MODULE_DESCRIPTION("Multi purpose firmware loading support");
 MODULE_LICENSE("GPL");
 
-static const char *fw_path[] = {
-	"/lib/firmware/updates/" UTS_RELEASE,
-	"/lib/firmware/updates",
-	"/lib/firmware/" UTS_RELEASE,
-	"/lib/firmware"
-};
-
-/* Don't inline this: 'struct kstat' is biggish */
-static noinline long fw_file_size(struct file *file)
-{
-	struct kstat st;
-	if (vfs_getattr(file->f_path.mnt, file->f_path.dentry, &st))
-		return -1;
-	if (!S_ISREG(st.mode))
-		return -1;
-	if (st.size != (long)st.size)
-		return -1;
-	return st.size;
-}
-
-static bool fw_read_file_contents(struct file *file, struct firmware *fw)
-{
-	long size;
-	char *buf;
-
-	size = fw_file_size(file);
-	if (size < 0)
-		return false;
-	buf = vmalloc(size);
-	if (!buf)
-		return false;
-	if (kernel_read(file, 0, buf, size) != size) {
-		vfree(buf);
-		return false;
-	}
-	fw->data = buf;
-	fw->size = size;
-	return true;
-}
-
-static bool fw_get_filesystem_firmware(struct firmware *fw, const char *name)
-{
-	int i;
-	bool success = false;
-	char *path = __getname();
-
-	for (i = 0; i < ARRAY_SIZE(fw_path); i++) {
-		struct file *file;
-		snprintf(path, PATH_MAX, "%s/%s", fw_path[i], name);
-
-		file = filp_open(path, O_RDONLY, 0);
-		if (IS_ERR(file))
-			continue;
-		success = fw_read_file_contents(file, fw);
-		fput(file);
-		if (success)
-			break;
-	}
-	__putname(path);
-	return success;
-}
-
 /* Builtin firmware support */
 
 #ifdef CONFIG_FW_LOADER
@@ -150,6 +88,11 @@ enum {
 	FW_STATUS_ABORT,
 };
 
+enum fw_buf_fmt {
+	VMALLOC_BUF,	/* used in direct loading */
+	PAGE_BUF,	/* used in loading via userspace */
+};
+
 static int loading_timeout = 60;	/* In seconds */
 
 static inline long firmware_loading_timeout(void)
@@ -173,8 +116,6 @@ struct firmware_cache {
 	spinlock_t name_lock;
 	struct list_head fw_names;
 
-	wait_queue_head_t wait_queue;
-	int cnt;
 	struct delayed_work work;
 
 	struct notifier_block   pm_notify;
@@ -187,6 +128,7 @@ struct firmware_buf {
 	struct completion completion;
 	struct firmware_cache *fwc;
 	unsigned long status;
+	enum fw_buf_fmt fmt;
 	void *data;
 	size_t size;
 	struct page **pages;
@@ -240,6 +182,7 @@ static struct firmware_buf *__allocate_fw_buf(const char *fw_name,
 	strcpy(buf->fw_id, fw_name);
 	buf->fwc = fwc;
 	init_completion(&buf->completion);
+	buf->fmt = VMALLOC_BUF;
 
 	pr_debug("%s: fw-%s buf=%p\n", __func__, fw_name, buf);
 
@@ -307,10 +250,14 @@ static void __fw_free_buf(struct kref *ref)
 	list_del(&buf->list);
 	spin_unlock(&fwc->lock);
 
-	vunmap(buf->data);
-	for (i = 0; i < buf->nr_pages; i++)
-		__free_page(buf->pages[i]);
-	kfree(buf->pages);
+
+	if (buf->fmt == PAGE_BUF) {
+		vunmap(buf->data);
+		for (i = 0; i < buf->nr_pages; i++)
+			__free_page(buf->pages[i]);
+		kfree(buf->pages);
+	} else
+		vfree(buf->data);
 	kfree(buf);
 }
 
@@ -319,6 +266,69 @@ static void fw_free_buf(struct firmware_buf *buf)
 	kref_put(&buf->ref, __fw_free_buf);
 }
 
+/* direct firmware loading support */
+static const char *fw_path[] = {
+	"/lib/firmware/updates/" UTS_RELEASE,
+	"/lib/firmware/updates",
+	"/lib/firmware/" UTS_RELEASE,
+	"/lib/firmware"
+};
+
+/* Don't inline this: 'struct kstat' is biggish */
+static noinline long fw_file_size(struct file *file)
+{
+	struct kstat st;
+	if (vfs_getattr(file->f_path.mnt, file->f_path.dentry, &st))
+		return -1;
+	if (!S_ISREG(st.mode))
+		return -1;
+	if (st.size != (long)st.size)
+		return -1;
+	return st.size;
+}
+
+static bool fw_read_file_contents(struct file *file, struct firmware_buf *fw_buf)
+{
+	long size;
+	char *buf;
+
+	size = fw_file_size(file);
+	if (size < 0)
+		return false;
+	buf = vmalloc(size);
+	if (!buf)
+		return false;
+	if (kernel_read(file, 0, buf, size) != size) {
+		vfree(buf);
+		return false;
+	}
+	fw_buf->data = buf;
+	fw_buf->size = size;
+	return true;
+}
+
+static bool fw_get_filesystem_firmware(struct firmware_buf *buf)
+{
+	int i;
+	bool success = false;
+	char *path = __getname();
+
+	for (i = 0; i < ARRAY_SIZE(fw_path); i++) {
+		struct file *file;
+		snprintf(path, PATH_MAX, "%s/%s", fw_path[i], buf->fw_id);
+
+		file = filp_open(path, O_RDONLY, 0);
+		if (IS_ERR(file))
+			continue;
+		success = fw_read_file_contents(file, buf);
+		fput(file);
+		if (success)
+			break;
+	}
+	__putname(path);
+	return success;
+}
+
 static struct firmware_priv *to_firmware_priv(struct device *dev)
 {
 	return container_of(dev, struct firmware_priv, dev);
@@ -423,6 +433,21 @@ static void firmware_free_data(const struct firmware *fw)
 #ifndef PAGE_KERNEL_RO
 #define PAGE_KERNEL_RO PAGE_KERNEL
 #endif
+
+/* one pages buffer should be mapped/unmapped only once */
+static int fw_map_pages_buf(struct firmware_buf *buf)
+{
+	if (buf->fmt != PAGE_BUF)
+		return 0;
+
+	if (buf->data)
+		vunmap(buf->data);
+	buf->data = vmap(buf->pages, buf->nr_pages, 0, PAGE_KERNEL_RO);
+	if (!buf->data)
+		return -ENOMEM;
+	return 0;
+}
+
 /**
  * firmware_loading_store - set value in the 'loading' control file
  * @dev: device pointer
@@ -467,6 +492,14 @@ static ssize_t firmware_loading_store(struct device *dev,
 		if (test_bit(FW_STATUS_LOADING, &fw_buf->status)) {
 			set_bit(FW_STATUS_DONE, &fw_buf->status);
 			clear_bit(FW_STATUS_LOADING, &fw_buf->status);
+
+			/*
+			 * Several loading requests may be pending on
+			 * one same firmware buf, so let all requests
+			 * see the mapped 'buf->data' once the loading
+			 * is completed.
+			 * */
+			fw_map_pages_buf(fw_buf);
 			complete_all(&fw_buf->completion);
 			break;
 		}
@@ -670,15 +703,6 @@ exit:
 	return fw_priv;
 }
 
-/* one pages buffer is mapped/unmapped only once */
-static int fw_map_pages_buf(struct firmware_buf *buf)
-{
-	buf->data = vmap(buf->pages, buf->nr_pages, 0, PAGE_KERNEL_RO);
-	if (!buf->data)
-		return -ENOMEM;
-	return 0;
-}
-
 /* store the pages buffer info firmware from buf */
 static void fw_set_page_data(struct firmware_buf *buf, struct firmware *fw)
 {
@@ -778,11 +802,6 @@ _request_firmware_prepare(const struct firmware **firmware_p, const char *name,
 		return NULL;
 	}
 
-	if (fw_get_filesystem_firmware(firmware, name)) {
-		dev_dbg(device, "firmware: direct-loading firmware %s\n", name);
-		return NULL;
-	}
-
 	ret = fw_lookup_and_allocate_buf(name, &fw_cache, &buf);
 	if (!ret)
 		fw_priv = fw_create_instance(firmware, name, device,
@@ -832,6 +851,21 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent,
 	struct device *f_dev = &fw_priv->dev;
 	struct firmware_buf *buf = fw_priv->buf;
 	struct firmware_cache *fwc = &fw_cache;
+	int direct_load = 0;
+
+	/* try direct loading from fs first */
+	if (fw_get_filesystem_firmware(buf)) {
+		dev_dbg(f_dev->parent, "firmware: direct-loading"
+			" firmware %s\n", buf->fw_id);
+
+		set_bit(FW_STATUS_DONE, &buf->status);
+		complete_all(&buf->completion);
+		direct_load = 1;
+		goto handle_fw;
+	}
+
+	/* fall back on userspace loading */
+	buf->fmt = PAGE_BUF;
 
 	dev_set_uevent_suppress(f_dev, true);
 
@@ -870,6 +904,7 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent,
 
 	del_timer_sync(&fw_priv->timeout);
 
+handle_fw:
 	mutex_lock(&fw_lock);
 	if (!buf->size || test_bit(FW_STATUS_ABORT, &buf->status))
 		retval = -ENOENT;
@@ -884,9 +919,6 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent,
 	if (!retval && f_dev->parent)
 		fw_add_devm_name(f_dev->parent, buf->fw_id);
 
-	if (!retval)
-		retval = fw_map_pages_buf(buf);
-
 	/*
 	 * After caching firmware image is started, let it piggyback
 	 * on request firmware.
@@ -902,6 +934,9 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent,
 	fw_priv->buf = NULL;
 	mutex_unlock(&fw_lock);
 
+	if (direct_load)
+		goto err_put_dev;
+
 	device_remove_file(f_dev, &dev_attr_loading);
 err_del_bin_attr:
 	device_remove_bin_file(f_dev, &firmware_attr_data);
@@ -1129,6 +1164,8 @@ int uncache_firmware(const char *fw_name)
 }
 
 #ifdef CONFIG_PM_SLEEP
+static ASYNC_DOMAIN_EXCLUSIVE(fw_cache_domain);
+
 static struct fw_cache_entry *alloc_fw_cache_entry(const char *name)
 {
 	struct fw_cache_entry *fce;
@@ -1142,17 +1179,27 @@ exit:
 	return fce;
 }
 
-static int fw_cache_piggyback_on_request(const char *name)
+static int __fw_entry_found(const char *name)
 {
 	struct firmware_cache *fwc = &fw_cache;
 	struct fw_cache_entry *fce;
-	int ret = 0;
 
-	spin_lock(&fwc->name_lock);
 	list_for_each_entry(fce, &fwc->fw_names, list) {
 		if (!strcmp(fce->name, name))
-			goto found;
+			return 1;
 	}
+	return 0;
+}
+
+static int fw_cache_piggyback_on_request(const char *name)
+{
+	struct firmware_cache *fwc = &fw_cache;
+	struct fw_cache_entry *fce;
+	int ret = 0;
+
+	spin_lock(&fwc->name_lock);
+	if (__fw_entry_found(name))
+		goto found;
 
 	fce = alloc_fw_cache_entry(name);
 	if (fce) {
@@ -1185,12 +1232,6 @@ static void __async_dev_cache_fw_image(void *fw_entry,
 
 		free_fw_cache_entry(fce);
 	}
-
-	spin_lock(&fwc->name_lock);
-	fwc->cnt--;
-	spin_unlock(&fwc->name_lock);
-
-	wake_up(&fwc->wait_queue);
 }
 
 /* called with dev->devres_lock held */
@@ -1229,11 +1270,19 @@ static void dev_cache_fw_image(struct device *dev, void *data)
 		list_del(&fce->list);
 
 		spin_lock(&fwc->name_lock);
-		fwc->cnt++;
-		list_add(&fce->list, &fwc->fw_names);
+		/* only one cache entry for one firmware */
+		if (!__fw_entry_found(fce->name)) {
+			list_add(&fce->list, &fwc->fw_names);
+		} else {
+			free_fw_cache_entry(fce);
+			fce = NULL;
+		}
 		spin_unlock(&fwc->name_lock);
 
-		async_schedule(__async_dev_cache_fw_image, (void *)fce);
+		if (fce)
+			async_schedule_domain(__async_dev_cache_fw_image,
+					      (void *)fce,
+					      &fw_cache_domain);
 	}
 }
 
@@ -1275,6 +1324,9 @@ static void device_cache_fw_images(void)
 
 	pr_debug("%s\n", __func__);
 
+	/* cancel uncache work */
+	cancel_delayed_work_sync(&fwc->work);
+
 	/*
 	 * use small loading timeout for caching devices' firmware
 	 * because all these firmware images have been loaded
@@ -1292,21 +1344,7 @@ static void device_cache_fw_images(void)
 	mutex_unlock(&fw_lock);
 
 	/* wait for completion of caching firmware for all devices */
-	spin_lock(&fwc->name_lock);
-	for (;;) {
-		prepare_to_wait(&fwc->wait_queue, &wait,
-				TASK_UNINTERRUPTIBLE);
-		if (!fwc->cnt)
-			break;
-
-		spin_unlock(&fwc->name_lock);
-
-		schedule();
-
-		spin_lock(&fwc->name_lock);
-	}
-	spin_unlock(&fwc->name_lock);
-	finish_wait(&fwc->wait_queue, &wait);
+	async_synchronize_full_domain(&fw_cache_domain);
 
 	loading_timeout = old_timeout;
 }
@@ -1394,9 +1432,7 @@ static void __init fw_cache_init(void)
 #ifdef CONFIG_PM_SLEEP
 	spin_lock_init(&fw_cache.name_lock);
 	INIT_LIST_HEAD(&fw_cache.fw_names);
-	fw_cache.cnt = 0;
 
-	init_waitqueue_head(&fw_cache.wait_queue);
 	INIT_DELAYED_WORK(&fw_cache.work,
 			  device_uncache_fw_images_work);
 
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index c22b869245d..96b71b6536d 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1862,7 +1862,7 @@ int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state)
 	cpuidle_drv = cpuidle_driver_ref();
 	if (!cpuidle_drv) {
 		ret = -ENODEV;
-		goto out;
+		goto err_drv;
 	}
 	if (cpuidle_drv->state_count <= state) {
 		ret = -EINVAL;
@@ -1884,6 +1884,9 @@ int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state)
 
  err:
 	cpuidle_driver_unref();
+
+ err_drv:
+	kfree(cpu_data);
 	goto out;
 }
 
diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig
index 6be390bd8bd..f0d30543fcc 100644
--- a/drivers/base/regmap/Kconfig
+++ b/drivers/base/regmap/Kconfig
@@ -3,7 +3,7 @@
 # subsystems should select the appropriate symbols.
 
 config REGMAP
-	default y if (REGMAP_I2C || REGMAP_SPI)
+	default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_MMIO || REGMAP_IRQ)
 	select LZO_COMPRESS
 	select LZO_DECOMPRESS
 	select IRQ_DOMAIN if REGMAP_IRQ
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 432aeeedfd5..d865470bc95 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -158,9 +158,10 @@ static int bcma_register_cores(struct bcma_bus *bus)
 
 static void bcma_unregister_cores(struct bcma_bus *bus)
 {
-	struct bcma_device *core;
+	struct bcma_device *core, *tmp;
 
-	list_for_each_entry(core, &bus->cores, list) {
+	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
+		list_del(&core->list);
 		if (core->dev_registered)
 			device_unregister(&core->dev);
 	}
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index f529407db93..824e09c4d0d 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -131,6 +131,7 @@ config BLK_CPQ_DA
 config BLK_CPQ_CISS_DA
 	tristate "Compaq Smart Array 5xxx support"
 	depends on PCI
+	select CHECK_SIGNATURE
 	help
 	  This is the driver for Compaq Smart Array 5xxx controllers.
 	  Everyone using these boards should say Y here.
@@ -166,8 +167,8 @@ config BLK_DEV_DAC960
 	  module will be called DAC960.
 
 config BLK_DEV_UMEM
-	tristate "Micro Memory MM5415 Battery Backed RAM support (EXPERIMENTAL)"
-	depends on PCI && EXPERIMENTAL
+	tristate "Micro Memory MM5415 Battery Backed RAM support"
+	depends on PCI
 	---help---
 	  Saying Y here will include support for the MM5415 family of
 	  battery backed (Non-volatile) RAM cards.
@@ -430,8 +431,8 @@ config CDROM_PKTCDVD_BUFFERS
 	  a disc is opened for writing.
 
 config CDROM_PKTCDVD_WCACHE
-	bool "Enable write caching (EXPERIMENTAL)"
-	depends on CDROM_PKTCDVD && EXPERIMENTAL
+	bool "Enable write caching"
+	depends on CDROM_PKTCDVD
 	help
 	  If enabled, write caching will be set for the CD-R/W device. For now
 	  this option is dangerous unless the CD-RW media is known good, as we
@@ -508,8 +509,8 @@ config XEN_BLKDEV_BACKEND
 
 
 config VIRTIO_BLK
-	tristate "Virtio block driver (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && VIRTIO
+	tristate "Virtio block driver"
+	depends on VIRTIO
 	---help---
 	  This is the virtual block driver for virtio.  It can be used with
           lguest or QEMU based VMMs (like KVM or Xen).  Say Y or M.
@@ -528,7 +529,7 @@ config BLK_DEV_HD
 
 config BLK_DEV_RBD
 	tristate "Rados block device (RBD)"
-	depends on INET && EXPERIMENTAL && BLOCK
+	depends on INET && BLOCK
 	select CEPH_LIB
 	select LIBCRC32C
 	select CRYPTO_AES
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index b0f553b26d0..ca83f96756a 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -5205,7 +5205,6 @@ static void cciss_shutdown(struct pci_dev *pdev)
 		return;
 	}
 	/* write all data in the battery backed cache to disk */
-	memset(flush_buf, 0, 4);
 	return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf,
 		4, 0, CTLR_LUNID, TYPE_CMD);
 	kfree(flush_buf);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index f93a0320e95..f55683ad4ff 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -162,23 +162,12 @@ static const struct block_device_operations drbd_ops = {
 	.release = drbd_release,
 };
 
-static void bio_destructor_drbd(struct bio *bio)
-{
-	bio_free(bio, drbd_md_io_bio_set);
-}
-
 struct bio *bio_alloc_drbd(gfp_t gfp_mask)
 {
-	struct bio *bio;
-
 	if (!drbd_md_io_bio_set)
 		return bio_alloc(gfp_mask, 1);
 
-	bio = bio_alloc_bioset(gfp_mask, 1, drbd_md_io_bio_set);
-	if (!bio)
-		return NULL;
-	bio->bi_destructor = bio_destructor_drbd;
-	return bio;
+	return bio_alloc_bioset(gfp_mask, 1, drbd_md_io_bio_set);
 }
 
 #ifdef __CHECKER__
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 17c675c5229..1c49d717396 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4109,12 +4109,19 @@ static struct platform_driver floppy_driver = {
 
 static struct platform_device floppy_device[N_DRIVE];
 
+static bool floppy_available(int drive)
+{
+	if (!(allowed_drive_mask & (1 << drive)))
+		return false;
+	if (fdc_state[FDC(drive)].version == FDC_NONE)
+		return false;
+	return true;
+}
+
 static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 {
 	int drive = (*part & 3) | ((*part & 0x80) >> 5);
-	if (drive >= N_DRIVE ||
-	    !(allowed_drive_mask & (1 << drive)) ||
-	    fdc_state[FDC(drive)].version == FDC_NONE)
+	if (drive >= N_DRIVE || !floppy_available(drive))
 		return NULL;
 	if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type))
 		return NULL;
@@ -4124,8 +4131,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 
 static int __init do_floppy_init(void)
 {
-	int i, unit, drive;
-	int err, dr;
+	int i, unit, drive, err;
 
 	set_debugt();
 	interruptjiffies = resultjiffies = jiffies;
@@ -4137,34 +4143,32 @@ static int __init do_floppy_init(void)
 
 	raw_cmd = NULL;
 
-	for (dr = 0; dr < N_DRIVE; dr++) {
-		disks[dr] = alloc_disk(1);
-		if (!disks[dr]) {
-			err = -ENOMEM;
-			goto out_put_disk;
-		}
+	floppy_wq = alloc_ordered_workqueue("floppy", 0);
+	if (!floppy_wq)
+		return -ENOMEM;
 
-		floppy_wq = alloc_ordered_workqueue("floppy", 0);
-		if (!floppy_wq) {
+	for (drive = 0; drive < N_DRIVE; drive++) {
+		disks[drive] = alloc_disk(1);
+		if (!disks[drive]) {
 			err = -ENOMEM;
 			goto out_put_disk;
 		}
 
-		disks[dr]->queue = blk_init_queue(do_fd_request, &floppy_lock);
-		if (!disks[dr]->queue) {
+		disks[drive]->queue = blk_init_queue(do_fd_request, &floppy_lock);
+		if (!disks[drive]->queue) {
 			err = -ENOMEM;
-			goto out_destroy_workq;
+			goto out_put_disk;
 		}
 
-		blk_queue_max_hw_sectors(disks[dr]->queue, 64);
-		disks[dr]->major = FLOPPY_MAJOR;
-		disks[dr]->first_minor = TOMINOR(dr);
-		disks[dr]->fops = &floppy_fops;
-		sprintf(disks[dr]->disk_name, "fd%d", dr);
+		blk_queue_max_hw_sectors(disks[drive]->queue, 64);
+		disks[drive]->major = FLOPPY_MAJOR;
+		disks[drive]->first_minor = TOMINOR(drive);
+		disks[drive]->fops = &floppy_fops;
+		sprintf(disks[drive]->disk_name, "fd%d", drive);
 
-		init_timer(&motor_off_timer[dr]);
-		motor_off_timer[dr].data = dr;
-		motor_off_timer[dr].function = motor_off_callback;
+		init_timer(&motor_off_timer[drive]);
+		motor_off_timer[drive].data = drive;
+		motor_off_timer[drive].function = motor_off_callback;
 	}
 
 	err = register_blkdev(FLOPPY_MAJOR, "fd");
@@ -4282,9 +4286,7 @@ static int __init do_floppy_init(void)
 	}
 
 	for (drive = 0; drive < N_DRIVE; drive++) {
-		if (!(allowed_drive_mask & (1 << drive)))
-			continue;
-		if (fdc_state[FDC(drive)].version == FDC_NONE)
+		if (!floppy_available(drive))
 			continue;
 
 		floppy_device[drive].name = floppy_device_name;
@@ -4293,7 +4295,7 @@ static int __init do_floppy_init(void)
 
 		err = platform_device_register(&floppy_device[drive]);
 		if (err)
-			goto out_release_dma;
+			goto out_remove_drives;
 
 		err = device_create_file(&floppy_device[drive].dev,
 					 &dev_attr_cmos);
@@ -4311,29 +4313,34 @@ static int __init do_floppy_init(void)
 
 out_unreg_platform_dev:
 	platform_device_unregister(&floppy_device[drive]);
+out_remove_drives:
+	while (drive--) {
+		if (floppy_available(drive)) {
+			del_gendisk(disks[drive]);
+			device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
+			platform_device_unregister(&floppy_device[drive]);
+		}
+	}
 out_release_dma:
 	if (atomic_read(&usage_count))
 		floppy_release_irq_and_dma();
 out_unreg_region:
 	blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256);
 	platform_driver_unregister(&floppy_driver);
-out_destroy_workq:
-	destroy_workqueue(floppy_wq);
 out_unreg_blkdev:
 	unregister_blkdev(FLOPPY_MAJOR, "fd");
 out_put_disk:
-	while (dr--) {
-		del_timer_sync(&motor_off_timer[dr]);
-		if (disks[dr]->queue) {
-			blk_cleanup_queue(disks[dr]->queue);
-			/*
-			 * put_disk() is not paired with add_disk() and
-			 * will put queue reference one extra time. fix it.
-			 */
-			disks[dr]->queue = NULL;
+	for (drive = 0; drive < N_DRIVE; drive++) {
+		if (!disks[drive])
+			break;
+		if (disks[drive]->queue) {
+			del_timer_sync(&motor_off_timer[drive]);
+			blk_cleanup_queue(disks[drive]->queue);
+			disks[drive]->queue = NULL;
 		}
-		put_disk(disks[dr]);
+		put_disk(disks[drive]);
 	}
+	destroy_workqueue(floppy_wq);
 	return err;
 }
 
@@ -4551,8 +4558,7 @@ static void __exit floppy_module_exit(void)
 	for (drive = 0; drive < N_DRIVE; drive++) {
 		del_timer_sync(&motor_off_timer[drive]);
 
-		if ((allowed_drive_mask & (1 << drive)) &&
-		    fdc_state[FDC(drive)].version != FDC_NONE) {
+		if (floppy_available(drive)) {
 			del_gendisk(disks[drive]);
 			device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
 			platform_device_unregister(&floppy_device[drive]);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e9d594fd12c..54046e51160 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -976,8 +976,21 @@ static int loop_clr_fd(struct loop_device *lo)
 	if (lo->lo_state != Lo_bound)
 		return -ENXIO;
 
-	if (lo->lo_refcnt > 1)	/* we needed one fd for the ioctl */
-		return -EBUSY;
+	/*
+	 * If we've explicitly asked to tear down the loop device,
+	 * and it has an elevated reference count, set it for auto-teardown when
+	 * the last reference goes away. This stops $!~#$@ udev from
+	 * preventing teardown because it decided that it needs to run blkid on
+	 * the loopback device whenever they appear. xfstests is notorious for
+	 * failing tests because blkid via udev races with a losetup
+	 * <dev>/do something like mkfs/losetup -d <dev> causing the losetup -d
+	 * command to fail with EBUSY.
+	 */
+	if (lo->lo_refcnt > 1) {
+		lo->lo_flags |= LO_FLAGS_AUTOCLEAR;
+		mutex_unlock(&lo->lo_ctl_mutex);
+		return 0;
+	}
 
 	if (filp == NULL)
 		return -EINVAL;
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index f946d31d691..adc6f36564c 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -2035,8 +2035,9 @@ static unsigned int implicit_sector(unsigned char command,
 	}
 	return rv;
 }
-
-static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout)
+static void mtip_set_timeout(struct driver_data *dd,
+					struct host_to_dev_fis *fis,
+					unsigned int *timeout, u8 erasemode)
 {
 	switch (fis->command) {
 	case ATA_CMD_DOWNLOAD_MICRO:
@@ -2044,7 +2045,10 @@ static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout)
 		break;
 	case ATA_CMD_SEC_ERASE_UNIT:
 	case 0xFC:
-		*timeout = 240000; /* 4 minutes */
+		if (erasemode)
+			*timeout = ((*(dd->port->identify + 90) * 2) * 60000);
+		else
+			*timeout = ((*(dd->port->identify + 89) * 2) * 60000);
 		break;
 	case ATA_CMD_STANDBYNOW1:
 		*timeout = 120000;  /* 2 minutes */
@@ -2087,6 +2091,7 @@ static int exec_drive_taskfile(struct driver_data *dd,
 	unsigned int transfer_size;
 	unsigned long task_file_data;
 	int intotal = outtotal + req_task->out_size;
+	int erasemode = 0;
 
 	taskout = req_task->out_size;
 	taskin = req_task->in_size;
@@ -2212,7 +2217,13 @@ static int exec_drive_taskfile(struct driver_data *dd,
 		fis.lba_hi,
 		fis.device);
 
-	mtip_set_timeout(&fis, &timeout);
+	/* check for erase mode support during secure erase.*/
+	if ((fis.command == ATA_CMD_SEC_ERASE_UNIT)
+					&& (outbuf[0] & MTIP_SEC_ERASE_MODE)) {
+		erasemode = 1;
+	}
+
+	mtip_set_timeout(dd, &fis, &timeout, erasemode);
 
 	/* Determine the correct transfer size.*/
 	if (force_single_sector)
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 18627a1d04c..5f4a917bd8b 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -33,6 +33,9 @@
 /* offset of Device Control register in PCIe extended capabilites space */
 #define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET	0x48
 
+/* check for erase mode support during secure erase */
+#define MTIP_SEC_ERASE_MODE     0x3
+
 /* # of times to retry timed out/failed IOs */
 #define MTIP_MAX_RETRIES	2
 
diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c
index 87311ebac0d..1bbc681688e 100644
--- a/drivers/block/osdblk.c
+++ b/drivers/block/osdblk.c
@@ -266,11 +266,10 @@ static struct bio *bio_chain_clone(struct bio *old_chain, gfp_t gfpmask)
 	struct bio *tmp, *new_chain = NULL, *tail = NULL;
 
 	while (old_chain) {
-		tmp = bio_kmalloc(gfpmask, old_chain->bi_max_vecs);
+		tmp = bio_clone_kmalloc(old_chain, gfpmask);
 		if (!tmp)
 			goto err_out;
 
-		__bio_clone(tmp, old_chain);
 		tmp->bi_bdev = NULL;
 		gfpmask &= ~__GFP_WAIT;
 		tmp->bi_next = NULL;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index ba66e4445f4..2e7de7a59bf 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -522,38 +522,6 @@ static void pkt_bio_finished(struct pktcdvd_device *pd)
 	}
 }
 
-static void pkt_bio_destructor(struct bio *bio)
-{
-	kfree(bio->bi_io_vec);
-	kfree(bio);
-}
-
-static struct bio *pkt_bio_alloc(int nr_iovecs)
-{
-	struct bio_vec *bvl = NULL;
-	struct bio *bio;
-
-	bio = kmalloc(sizeof(struct bio), GFP_KERNEL);
-	if (!bio)
-		goto no_bio;
-	bio_init(bio);
-
-	bvl = kcalloc(nr_iovecs, sizeof(struct bio_vec), GFP_KERNEL);
-	if (!bvl)
-		goto no_bvl;
-
-	bio->bi_max_vecs = nr_iovecs;
-	bio->bi_io_vec = bvl;
-	bio->bi_destructor = pkt_bio_destructor;
-
-	return bio;
-
- no_bvl:
-	kfree(bio);
- no_bio:
-	return NULL;
-}
-
 /*
  * Allocate a packet_data struct
  */
@@ -567,7 +535,7 @@ static struct packet_data *pkt_alloc_packet_data(int frames)
 		goto no_pkt;
 
 	pkt->frames = frames;
-	pkt->w_bio = pkt_bio_alloc(frames);
+	pkt->w_bio = bio_kmalloc(GFP_KERNEL, frames);
 	if (!pkt->w_bio)
 		goto no_bio;
 
@@ -581,9 +549,10 @@ static struct packet_data *pkt_alloc_packet_data(int frames)
 	bio_list_init(&pkt->orig_bios);
 
 	for (i = 0; i < frames; i++) {
-		struct bio *bio = pkt_bio_alloc(1);
+		struct bio *bio = bio_kmalloc(GFP_KERNEL, 1);
 		if (!bio)
 			goto no_rd_bio;
+
 		pkt->r_bios[i] = bio;
 	}
 
@@ -1111,21 +1080,17 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)
 	 * Schedule reads for missing parts of the packet.
 	 */
 	for (f = 0; f < pkt->frames; f++) {
-		struct bio_vec *vec;
-
 		int p, offset;
+
 		if (written[f])
 			continue;
+
 		bio = pkt->r_bios[f];
-		vec = bio->bi_io_vec;
-		bio_init(bio);
-		bio->bi_max_vecs = 1;
+		bio_reset(bio);
 		bio->bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9);
 		bio->bi_bdev = pd->bdev;
 		bio->bi_end_io = pkt_end_io_read;
 		bio->bi_private = pkt;
-		bio->bi_io_vec = vec;
-		bio->bi_destructor = pkt_bio_destructor;
 
 		p = (f * CD_FRAMESIZE) / PAGE_SIZE;
 		offset = (f * CD_FRAMESIZE) % PAGE_SIZE;
@@ -1418,14 +1383,11 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
 	}
 
 	/* Start the write request */
-	bio_init(pkt->w_bio);
-	pkt->w_bio->bi_max_vecs = PACKET_MAX_SIZE;
+	bio_reset(pkt->w_bio);
 	pkt->w_bio->bi_sector = pkt->sector;
 	pkt->w_bio->bi_bdev = pd->bdev;
 	pkt->w_bio->bi_end_io = pkt_end_io_packet_write;
 	pkt->w_bio->bi_private = pkt;
-	pkt->w_bio->bi_io_vec = bvec;
-	pkt->w_bio->bi_destructor = pkt_bio_destructor;
 	for (f = 0; f < pkt->frames; f++)
 		if (!bio_add_page(pkt->w_bio, bvec[f].bv_page, CD_FRAMESIZE, bvec[f].bv_offset))
 			BUG();
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 9ad3b5ec1dc..9a54623e52d 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -158,8 +158,8 @@ struct xen_vbd {
 	struct block_device	*bdev;
 	/* Cached size parameter. */
 	sector_t		size;
-	bool			flush_support;
-	bool			discard_secure;
+	unsigned int		flush_support:1;
+	unsigned int		discard_secure:1;
 };
 
 struct backend_info;
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index 4f66171c668..f58434c2617 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -105,11 +105,10 @@ static struct xen_blkif *xen_blkif_alloc(domid_t domid)
 {
 	struct xen_blkif *blkif;
 
-	blkif = kmem_cache_alloc(xen_blkif_cachep, GFP_KERNEL);
+	blkif = kmem_cache_zalloc(xen_blkif_cachep, GFP_KERNEL);
 	if (!blkif)
 		return ERR_PTR(-ENOMEM);
 
-	memset(blkif, 0, sizeof(*blkif));
 	blkif->domid = domid;
 	spin_lock_init(&blkif->blk_ring_lock);
 	atomic_set(&blkif->refcnt, 1);
@@ -196,7 +195,7 @@ static void xen_blkif_disconnect(struct xen_blkif *blkif)
 	}
 }
 
-void xen_blkif_free(struct xen_blkif *blkif)
+static void xen_blkif_free(struct xen_blkif *blkif)
 {
 	if (!atomic_dec_and_test(&blkif->refcnt))
 		BUG();
@@ -257,7 +256,7 @@ static struct attribute_group xen_vbdstat_group = {
 VBD_SHOW(physical_device, "%x:%x\n", be->major, be->minor);
 VBD_SHOW(mode, "%s\n", be->mode);
 
-int xenvbd_sysfs_addif(struct xenbus_device *dev)
+static int xenvbd_sysfs_addif(struct xenbus_device *dev)
 {
 	int error;
 
@@ -281,7 +280,7 @@ fail1:	device_remove_file(&dev->dev, &dev_attr_physical_device);
 	return error;
 }
 
-void xenvbd_sysfs_delif(struct xenbus_device *dev)
+static void xenvbd_sysfs_delif(struct xenbus_device *dev)
 {
 	sysfs_remove_group(&dev->dev.kobj, &xen_vbdstat_group);
 	device_remove_file(&dev->dev, &dev_attr_mode);
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index d0b27a39f1d..7ff1d0d208a 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -52,7 +52,6 @@ obj-$(CONFIG_TELCLOCK)		+= tlclk.o
 obj-$(CONFIG_MWAVE)		+= mwave/
 obj-$(CONFIG_AGP)		+= agp/
 obj-$(CONFIG_PCMCIA)		+= pcmcia/
-obj-$(CONFIG_IPMI_HANDLER)	+= ipmi/
 
 obj-$(CONFIG_HANGCHECK_TIMER)	+= hangcheck-timer.o
 obj-$(CONFIG_TCG_TPM)		+= tpm/
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index e01f5eaaec8..38390f7c6ab 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -667,7 +667,7 @@ static int intel_gtt_init(void)
 	gtt_map_size = intel_private.base.gtt_total_entries * 4;
 
 	intel_private.gtt = NULL;
-	if (INTEL_GTT_GEN < 6)
+	if (INTEL_GTT_GEN < 6 && INTEL_GTT_GEN > 2)
 		intel_private.gtt = ioremap_wc(intel_private.gtt_bus_addr,
 					       gtt_map_size);
 	if (intel_private.gtt == NULL)
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index aab9605f0b4..24ffd8cec51 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -74,21 +74,21 @@ static inline void netwinder_ds1620_reset(void)
 
 static inline void netwinder_lock(unsigned long *flags)
 {
-	spin_lock_irqsave(&nw_gpio_lock, *flags);
+	raw_spin_lock_irqsave(&nw_gpio_lock, *flags);
 }
 
 static inline void netwinder_unlock(unsigned long *flags)
 {
-	spin_unlock_irqrestore(&nw_gpio_lock, *flags);
+	raw_spin_unlock_irqrestore(&nw_gpio_lock, *flags);
 }
 
 static inline void netwinder_set_fan(int i)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&nw_gpio_lock, flags);
+	raw_spin_lock_irqsave(&nw_gpio_lock, flags);
 	nw_gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0);
-	spin_unlock_irqrestore(&nw_gpio_lock, flags);
+	raw_spin_unlock_irqrestore(&nw_gpio_lock, flags);
 }
 
 static inline int netwinder_get_fan(void)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 2c29942b132..a0c84bb3085 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1880,7 +1880,7 @@ int ipmi_request_supply_msgs(ipmi_user_t          user,
 			     struct ipmi_recv_msg *supplied_recv,
 			     int                  priority)
 {
-	unsigned char saddr, lun;
+	unsigned char saddr = 0, lun = 0;
 	int           rv;
 
 	if (!user)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 83f85cf7fb1..32a6c7e256b 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2424,6 +2424,38 @@ static void ipmi_pci_cleanup(struct smi_info *info)
 	pci_disable_device(pdev);
 }
 
+static int __devinit ipmi_pci_probe_regspacing(struct smi_info *info)
+{
+	if (info->si_type == SI_KCS) {
+		unsigned char	status;
+		int		regspacing;
+
+		info->io.regsize = DEFAULT_REGSIZE;
+		info->io.regshift = 0;
+		info->io_size = 2;
+		info->handlers = &kcs_smi_handlers;
+
+		/* detect 1, 4, 16byte spacing */
+		for (regspacing = DEFAULT_REGSPACING; regspacing <= 16;) {
+			info->io.regspacing = regspacing;
+			if (info->io_setup(info)) {
+				dev_err(info->dev,
+					"Could not setup I/O space\n");
+				return DEFAULT_REGSPACING;
+			}
+			/* write invalid cmd */
+			info->io.outputb(&info->io, 1, 0x10);
+			/* read status back */
+			status = info->io.inputb(&info->io, 1);
+			info->io_cleanup(info);
+			if (status)
+				return regspacing;
+			regspacing *= 4;
+		}
+	}
+	return DEFAULT_REGSPACING;
+}
+
 static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 				    const struct pci_device_id *ent)
 {
@@ -2476,8 +2508,8 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 	}
 	info->io.addr_data = pci_resource_start(pdev, 0);
 
-	info->io.regspacing = DEFAULT_REGSPACING;
-	info->io.regsize = DEFAULT_REGSPACING;
+	info->io.regspacing = ipmi_pci_probe_regspacing(info);
+	info->io.regsize = DEFAULT_REGSIZE;
 	info->io.regshift = 0;
 
 	info->irq = pdev->irq;
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index a0e2f7d7035..e371480d363 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -583,9 +583,9 @@ static void kick_open(void)
 	 * we want to write a bit pattern XXX1 to Xilinx to enable
 	 * the write gate, which will be open for about the next 2ms.
 	 */
-	spin_lock_irqsave(&nw_gpio_lock, flags);
+	raw_spin_lock_irqsave(&nw_gpio_lock, flags);
 	nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE);
-	spin_unlock_irqrestore(&nw_gpio_lock, flags);
+	raw_spin_unlock_irqrestore(&nw_gpio_lock, flags);
 
 	/*
 	 * let the ISA bus to catch on...
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 54a3a6d0981..0bb207eaef2 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -285,7 +285,7 @@ static long raw_ctl_compat_ioctl(struct file *file, unsigned int cmd,
 
 static const struct file_operations raw_fops = {
 	.read		= do_sync_read,
-	.aio_read	= generic_file_aio_read,
+	.aio_read	= blkdev_aio_read,
 	.write		= do_sync_write,
 	.aio_write	= blkdev_aio_write,
 	.fsync		= blkdev_fsync,
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 320debbe32f..9b4f0116ff2 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1456,7 +1456,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int old_camera_power;
 
 static int sonypi_suspend(struct device *dev)
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index f26afdb1a70..93211df52aa 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1182,17 +1182,20 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
 		  size_t size, loff_t *off)
 {
 	struct tpm_chip *chip = file->private_data;
-	size_t in_size = size, out_size;
+	size_t in_size = size;
+	ssize_t out_size;
 
 	/* cannot perform a write until the read has cleared
-	   either via tpm_read or a user_read_timer timeout */
-	while (atomic_read(&chip->data_pending) != 0)
-		msleep(TPM_TIMEOUT);
-
-	mutex_lock(&chip->buffer_mutex);
+	   either via tpm_read or a user_read_timer timeout.
+	   This also prevents splitted buffered writes from blocking here.
+	*/
+	if (atomic_read(&chip->data_pending) != 0)
+		return -EBUSY;
 
 	if (in_size > TPM_BUFSIZE)
-		in_size = TPM_BUFSIZE;
+		return -E2BIG;
+
+	mutex_lock(&chip->buffer_mutex);
 
 	if (copy_from_user
 	    (chip->data_buffer, (void __user *) buf, in_size)) {
@@ -1202,6 +1205,10 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
 
 	/* atomic tpm command send and result receive */
 	out_size = tpm_transmit(chip, chip->data_buffer, TPM_BUFSIZE);
+	if (out_size < 0) {
+		mutex_unlock(&chip->buffer_mutex);
+		return out_size;
+	}
 
 	atomic_set(&chip->data_pending, out_size);
 	mutex_unlock(&chip->buffer_mutex);
@@ -1259,6 +1266,7 @@ void tpm_remove_hardware(struct device *dev)
 
 	misc_deregister(&chip->vendor.miscdev);
 	sysfs_remove_group(&dev->kobj, chip->vendor.attr_group);
+	tpm_remove_ppi(&dev->kobj);
 	tpm_bios_log_teardown(chip->bios_dir);
 
 	/* write it this way to be explicit (chip->dev == dev) */
@@ -1476,7 +1484,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev,
 		goto put_device;
 	}
 
-	if (sys_add_ppi(&dev->kobj)) {
+	if (tpm_add_ppi(&dev->kobj)) {
 		misc_deregister(&chip->vendor.miscdev);
 		goto put_device;
 	}
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 02c266aa2bf..8ef7649a50a 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -329,10 +329,15 @@ extern int wait_for_tpm_stat(struct tpm_chip *, u8, unsigned long,
 			     wait_queue_head_t *);
 
 #ifdef CONFIG_ACPI
-extern ssize_t sys_add_ppi(struct kobject *parent);
+extern int tpm_add_ppi(struct kobject *);
+extern void tpm_remove_ppi(struct kobject *);
 #else
-static inline ssize_t sys_add_ppi(struct kobject *parent)
+static inline int tpm_add_ppi(struct kobject *parent)
 {
 	return 0;
 }
+
+static inline void tpm_remove_ppi(struct kobject *parent)
+{
+}
 #endif
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index f27b58cfae9..720ebcf29fd 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -444,18 +444,20 @@ static struct attribute *ppi_attrs[] = {
 	&dev_attr_vs_operations.attr, NULL,
 };
 static struct attribute_group ppi_attr_grp = {
+	.name = "ppi",
 	.attrs = ppi_attrs
 };
 
-ssize_t sys_add_ppi(struct kobject *parent)
+int tpm_add_ppi(struct kobject *parent)
 {
-	struct kobject *ppi;
-	ppi = kobject_create_and_add("ppi", parent);
-	if (sysfs_create_group(ppi, &ppi_attr_grp))
-		return -EFAULT;
-	else
-		return 0;
+	return sysfs_create_group(parent, &ppi_attr_grp);
+}
+EXPORT_SYMBOL_GPL(tpm_add_ppi);
+
+void tpm_remove_ppi(struct kobject *parent)
+{
+	sysfs_remove_group(parent, &ppi_attr_grp);
 }
-EXPORT_SYMBOL_GPL(sys_add_ppi);
+EXPORT_SYMBOL_GPL(tpm_remove_ppi);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index b40ee1403be..399831690fe 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -328,6 +328,7 @@ static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
 		cpufreq_update_policy(cpu);
 		break;
 	case CPU_DOWN_PREPARE:
+	case CPU_DOWN_PREPARE_FROZEN:
 		cpufreq_stats_free_sysfs(cpu);
 		break;
 	case CPU_DEAD:
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 65f8e9a5497..1f3417a8322 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -30,20 +30,12 @@
 #include <asm/smp_plat.h>
 #include <asm/cpu.h>
 
-#include <plat/clock.h>
-#include <plat/omap-pm.h>
-#include <plat/common.h>
-#include <plat/omap_device.h>
-
-#include <mach/hardware.h>
-
 /* OPP tolerance in percentage */
 #define	OPP_TOLERANCE	4
 
 static struct cpufreq_frequency_table *freq_table;
 static atomic_t freq_table_users = ATOMIC_INIT(0);
 static struct clk *mpu_clk;
-static char *mpu_clk_name;
 static struct device *mpu_dev;
 static struct regulator *mpu_reg;
 
@@ -108,6 +100,14 @@ static int omap_target(struct cpufreq_policy *policy,
 	}
 
 	freq = freqs.new * 1000;
+	ret = clk_round_rate(mpu_clk, freq);
+	if (IS_ERR_VALUE(ret)) {
+		dev_warn(mpu_dev,
+			 "CPUfreq: Cannot find matching frequency for %lu\n",
+			 freq);
+		return ret;
+	}
+	freq = ret;
 
 	if (mpu_reg) {
 		opp = opp_find_freq_ceil(mpu_dev, &freq);
@@ -172,7 +172,7 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
 {
 	int result = 0;
 
-	mpu_clk = clk_get(NULL, mpu_clk_name);
+	mpu_clk = clk_get(NULL, "cpufreq_ck");
 	if (IS_ERR(mpu_clk))
 		return PTR_ERR(mpu_clk);
 
@@ -253,22 +253,10 @@ static struct cpufreq_driver omap_driver = {
 
 static int __init omap_cpufreq_init(void)
 {
-	if (cpu_is_omap24xx())
-		mpu_clk_name = "virt_prcm_set";
-	else if (cpu_is_omap34xx())
-		mpu_clk_name = "dpll1_ck";
-	else if (cpu_is_omap44xx())
-		mpu_clk_name = "dpll_mpu_ck";
-
-	if (!mpu_clk_name) {
-		pr_err("%s: unsupported Silicon?\n", __func__);
-		return -EINVAL;
-	}
-
-	mpu_dev = omap_device_get_by_hwmod_name("mpu");
-	if (IS_ERR(mpu_dev)) {
+	mpu_dev = get_cpu_device(0);
+	if (!mpu_dev) {
 		pr_warning("%s: unable to get the mpu device\n", __func__);
-		return PTR_ERR(mpu_dev);
+		return -EINVAL;
 	}
 
 	mpu_reg = regulator_get(mpu_dev, "vcc");
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index 129e80bfff2..e3ebb4fa2c3 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -5,7 +5,7 @@
  *  http://www.gnu.org/licenses/gpl.html
  *
  *  Maintainer:
- *  Andreas Herrmann <andreas.herrmann3@amd.com>
+ *  Andreas Herrmann <herrmann.der.user@googlemail.com>
  *
  *  Based on the powernow-k7.c module written by Dave Jones.
  *  (C) 2003 Dave Jones on behalf of SuSE Labs
@@ -1052,14 +1052,7 @@ static int powernowk8_target(struct cpufreq_policy *pol,
 	struct powernowk8_target_arg pta = { .pol = pol, .targfreq = targfreq,
 					     .relation = relation };
 
-	/*
-	 * Must run on @pol->cpu.  cpufreq core is responsible for ensuring
-	 * that we're bound to the current CPU and pol->cpu stays online.
-	 */
-	if (smp_processor_id() == pol->cpu)
-		return powernowk8_target_fn(&pta);
-	else
-		return work_on_cpu(pol->cpu, powernowk8_target_fn, &pta);
+	return work_on_cpu(pol->cpu, powernowk8_target_fn, &pta);
 }
 
 /* Driver entry point to verify the policy and range of frequencies */
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index e28f6ea46f1..7f15b8514a1 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -368,7 +368,7 @@ EXPORT_SYMBOL_GPL(cpuidle_enable_device);
  */
 void cpuidle_disable_device(struct cpuidle_device *dev)
 {
-	if (!dev->enabled)
+	if (!dev || !dev->enabled)
 		return;
 	if (!cpuidle_get_driver() || !cpuidle_curr_governor)
 		return;
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index d06ea2950dd..d4c12180c65 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -90,6 +90,17 @@ config DW_DMAC
 	  Support the Synopsys DesignWare AHB DMA controller.  This
 	  can be integrated in chips such as the Atmel AT32ap7000.
 
+config DW_DMAC_BIG_ENDIAN_IO
+	bool "Use big endian I/O register access"
+	default y if AVR32
+	depends on DW_DMAC
+	help
+	  Say yes here to use big endian I/O access when reading and writing
+	  to the DMA controller registers. This is needed on some platforms,
+	  like the Atmel AVR32 architecture.
+
+	  If unsure, use the default setting.
+
 config AT_HDMAC
 	tristate "Atmel AHB DMA support"
 	depends on ARCH_AT91
@@ -208,6 +219,16 @@ config SIRF_DMA
 	help
 	  Enable support for the CSR SiRFprimaII DMA engine.
 
+config TI_EDMA
+	tristate "TI EDMA support"
+	depends on ARCH_DAVINCI
+	select DMA_ENGINE
+	select DMA_VIRTUAL_CHANNELS
+	default n
+	help
+	  Enable support for the TI EDMA controller. This DMA
+	  engine is found on TI DaVinci and AM33xx parts.
+
 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 	bool
 
@@ -292,6 +313,13 @@ config DMA_OMAP
 	select DMA_ENGINE
 	select DMA_VIRTUAL_CHANNELS
 
+config MMP_PDMA
+	bool "MMP PDMA support"
+	depends on (ARCH_MMP || ARCH_PXA)
+	select DMA_ENGINE
+	help
+	  Support the MMP PDMA engine for PXA and MMP platfrom.
+
 config DMA_ENGINE
 	bool
 
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 4cf6b128ab9..7428feaa870 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_IMX_DMA) += imx-dma.o
 obj-$(CONFIG_MXS_DMA) += mxs-dma.o
 obj-$(CONFIG_TIMB_DMA) += timb_dma.o
 obj-$(CONFIG_SIRF_DMA) += sirf-dma.o
+obj-$(CONFIG_TI_EDMA) += edma.o
 obj-$(CONFIG_STE_DMA40) += ste_dma40.o ste_dma40_ll.o
 obj-$(CONFIG_TEGRA20_APB_DMA) += tegra20-apb-dma.o
 obj-$(CONFIG_PL330_DMA) += pl330.o
@@ -32,3 +33,4 @@ obj-$(CONFIG_EP93XX_DMA) += ep93xx_dma.o
 obj-$(CONFIG_DMA_SA11X0) += sa11x0-dma.o
 obj-$(CONFIG_MMP_TDMA) += mmp_tdma.o
 obj-$(CONFIG_DMA_OMAP) += omap-dma.o
+obj-$(CONFIG_MMP_PDMA) += mmp_pdma.o
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 6fbeebb9486..d1cc5791476 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1892,6 +1892,7 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
 	pl08x->pd = dev_get_platdata(&adev->dev);
 	if (!pl08x->pd) {
 		dev_err(&adev->dev, "no platform data supplied\n");
+		ret = -EINVAL;
 		goto out_no_platdata;
 	}
 
@@ -1943,6 +1944,7 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id)
 		dev_err(&adev->dev, "%s failed to allocate "
 			"physical channel holders\n",
 			__func__);
+		ret = -ENOMEM;
 		goto out_no_phychans;
 	}
 
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index d3c5a5a88f1..c4b0eb3cde8 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -36,12 +36,22 @@
  * which does not support descriptor writeback.
  */
 
+static inline unsigned int dwc_get_dms(struct dw_dma_slave *slave)
+{
+	return slave ? slave->dst_master : 0;
+}
+
+static inline unsigned int dwc_get_sms(struct dw_dma_slave *slave)
+{
+	return slave ? slave->src_master : 1;
+}
+
 #define DWC_DEFAULT_CTLLO(_chan) ({				\
 		struct dw_dma_slave *__slave = (_chan->private);	\
 		struct dw_dma_chan *_dwc = to_dw_dma_chan(_chan);	\
 		struct dma_slave_config	*_sconfig = &_dwc->dma_sconfig;	\
-		int _dms = __slave ? __slave->dst_master : 0;	\
-		int _sms = __slave ? __slave->src_master : 1;	\
+		int _dms = dwc_get_dms(__slave);		\
+		int _sms = dwc_get_sms(__slave);		\
 		u8 _smsize = __slave ? _sconfig->src_maxburst :	\
 			DW_DMA_MSIZE_16;			\
 		u8 _dmsize = __slave ? _sconfig->dst_maxburst :	\
@@ -56,16 +66,6 @@
 	})
 
 /*
- * This is configuration-dependent and usually a funny size like 4095.
- *
- * Note that this is a transfer count, i.e. if we transfer 32-bit
- * words, we can do 16380 bytes per descriptor.
- *
- * This parameter is also system-specific.
- */
-#define DWC_MAX_COUNT	4095U
-
-/*
  * Number of descriptors to allocate for each channel. This should be
  * made configurable somehow; preferably, the clients (at least the
  * ones using slave transfers) should be able to give us a hint.
@@ -177,6 +177,11 @@ static void dwc_initialize(struct dw_dma_chan *dwc)
 
 		cfghi = dws->cfg_hi;
 		cfglo |= dws->cfg_lo & ~DWC_CFGL_CH_PRIOR_MASK;
+	} else {
+		if (dwc->dma_sconfig.direction == DMA_MEM_TO_DEV)
+			cfghi = DWC_CFGH_DST_PER(dwc->dma_sconfig.slave_id);
+		else if (dwc->dma_sconfig.direction == DMA_DEV_TO_MEM)
+			cfghi = DWC_CFGH_SRC_PER(dwc->dma_sconfig.slave_id);
 	}
 
 	channel_writel(dwc, CFG_LO, cfglo);
@@ -206,7 +211,7 @@ static inline unsigned int dwc_fast_fls(unsigned long long v)
 	return 0;
 }
 
-static void dwc_dump_chan_regs(struct dw_dma_chan *dwc)
+static inline void dwc_dump_chan_regs(struct dw_dma_chan *dwc)
 {
 	dev_err(chan2dev(&dwc->chan),
 		"  SAR: 0x%x DAR: 0x%x LLP: 0x%x CTL: 0x%x:%08x\n",
@@ -227,10 +232,29 @@ static inline void dwc_chan_disable(struct dw_dma *dw, struct dw_dma_chan *dwc)
 
 /*----------------------------------------------------------------------*/
 
+/* Perform single block transfer */
+static inline void dwc_do_single_block(struct dw_dma_chan *dwc,
+				       struct dw_desc *desc)
+{
+	struct dw_dma	*dw = to_dw_dma(dwc->chan.device);
+	u32		ctllo;
+
+	/* Software emulation of LLP mode relies on interrupts to continue
+	 * multi block transfer. */
+	ctllo = desc->lli.ctllo | DWC_CTLL_INT_EN;
+
+	channel_writel(dwc, SAR, desc->lli.sar);
+	channel_writel(dwc, DAR, desc->lli.dar);
+	channel_writel(dwc, CTL_LO, ctllo);
+	channel_writel(dwc, CTL_HI, desc->lli.ctlhi);
+	channel_set_bit(dw, CH_EN, dwc->mask);
+}
+
 /* Called with dwc->lock held and bh disabled */
 static void dwc_dostart(struct dw_dma_chan *dwc, struct dw_desc *first)
 {
 	struct dw_dma	*dw = to_dw_dma(dwc->chan.device);
+	unsigned long	was_soft_llp;
 
 	/* ASSERT:  channel is idle */
 	if (dma_readl(dw, CH_EN) & dwc->mask) {
@@ -242,6 +266,26 @@ static void dwc_dostart(struct dw_dma_chan *dwc, struct dw_desc *first)
 		return;
 	}
 
+	if (dwc->nollp) {
+		was_soft_llp = test_and_set_bit(DW_DMA_IS_SOFT_LLP,
+						&dwc->flags);
+		if (was_soft_llp) {
+			dev_err(chan2dev(&dwc->chan),
+				"BUG: Attempted to start new LLP transfer "
+				"inside ongoing one\n");
+			return;
+		}
+
+		dwc_initialize(dwc);
+
+		dwc->tx_list = &first->tx_list;
+		dwc->tx_node_active = first->tx_list.next;
+
+		dwc_do_single_block(dwc, first);
+
+		return;
+	}
+
 	dwc_initialize(dwc);
 
 	channel_writel(dwc, LLP, first->txd.phys);
@@ -553,8 +597,36 @@ static void dw_dma_tasklet(unsigned long data)
 			dwc_handle_cyclic(dw, dwc, status_err, status_xfer);
 		else if (status_err & (1 << i))
 			dwc_handle_error(dw, dwc);
-		else if (status_xfer & (1 << i))
+		else if (status_xfer & (1 << i)) {
+			unsigned long flags;
+
+			spin_lock_irqsave(&dwc->lock, flags);
+			if (test_bit(DW_DMA_IS_SOFT_LLP, &dwc->flags)) {
+				if (dwc->tx_node_active != dwc->tx_list) {
+					struct dw_desc *desc =
+						list_entry(dwc->tx_node_active,
+							   struct dw_desc,
+							   desc_node);
+
+					dma_writel(dw, CLEAR.XFER, dwc->mask);
+
+					/* move pointer to next descriptor */
+					dwc->tx_node_active =
+						dwc->tx_node_active->next;
+
+					dwc_do_single_block(dwc, desc);
+
+					spin_unlock_irqrestore(&dwc->lock, flags);
+					continue;
+				} else {
+					/* we are done here */
+					clear_bit(DW_DMA_IS_SOFT_LLP, &dwc->flags);
+				}
+			}
+			spin_unlock_irqrestore(&dwc->lock, flags);
+
 			dwc_scan_descriptors(dw, dwc);
+		}
 	}
 
 	/*
@@ -636,6 +708,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 		size_t len, unsigned long flags)
 {
 	struct dw_dma_chan	*dwc = to_dw_dma_chan(chan);
+	struct dw_dma_slave	*dws = chan->private;
 	struct dw_desc		*desc;
 	struct dw_desc		*first;
 	struct dw_desc		*prev;
@@ -643,6 +716,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 	size_t			offset;
 	unsigned int		src_width;
 	unsigned int		dst_width;
+	unsigned int		data_width;
 	u32			ctllo;
 
 	dev_vdbg(chan2dev(chan),
@@ -655,7 +729,11 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 		return NULL;
 	}
 
-	src_width = dst_width = dwc_fast_fls(src | dest | len);
+	data_width = min_t(unsigned int, dwc->dw->data_width[dwc_get_sms(dws)],
+					 dwc->dw->data_width[dwc_get_dms(dws)]);
+
+	src_width = dst_width = min_t(unsigned int, data_width,
+				      dwc_fast_fls(src | dest | len));
 
 	ctllo = DWC_DEFAULT_CTLLO(chan)
 			| DWC_CTLL_DST_WIDTH(dst_width)
@@ -667,7 +745,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 
 	for (offset = 0; offset < len; offset += xfer_count << src_width) {
 		xfer_count = min_t(size_t, (len - offset) >> src_width,
-				DWC_MAX_COUNT);
+					   dwc->block_size);
 
 		desc = dwc_desc_get(dwc);
 		if (!desc)
@@ -725,6 +803,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	dma_addr_t		reg;
 	unsigned int		reg_width;
 	unsigned int		mem_width;
+	unsigned int		data_width;
 	unsigned int		i;
 	struct scatterlist	*sg;
 	size_t			total_len = 0;
@@ -748,6 +827,8 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 		ctllo |= sconfig->device_fc ? DWC_CTLL_FC(DW_DMA_FC_P_M2P) :
 			DWC_CTLL_FC(DW_DMA_FC_D_M2P);
 
+		data_width = dwc->dw->data_width[dwc_get_sms(dws)];
+
 		for_each_sg(sgl, sg, sg_len, i) {
 			struct dw_desc	*desc;
 			u32		len, dlen, mem;
@@ -755,7 +836,8 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 			mem = sg_dma_address(sg);
 			len = sg_dma_len(sg);
 
-			mem_width = dwc_fast_fls(mem | len);
+			mem_width = min_t(unsigned int,
+					  data_width, dwc_fast_fls(mem | len));
 
 slave_sg_todev_fill_desc:
 			desc = dwc_desc_get(dwc);
@@ -768,8 +850,8 @@ slave_sg_todev_fill_desc:
 			desc->lli.sar = mem;
 			desc->lli.dar = reg;
 			desc->lli.ctllo = ctllo | DWC_CTLL_SRC_WIDTH(mem_width);
-			if ((len >> mem_width) > DWC_MAX_COUNT) {
-				dlen = DWC_MAX_COUNT << mem_width;
+			if ((len >> mem_width) > dwc->block_size) {
+				dlen = dwc->block_size << mem_width;
 				mem += dlen;
 				len -= dlen;
 			} else {
@@ -808,6 +890,8 @@ slave_sg_todev_fill_desc:
 		ctllo |= sconfig->device_fc ? DWC_CTLL_FC(DW_DMA_FC_P_P2M) :
 			DWC_CTLL_FC(DW_DMA_FC_D_P2M);
 
+		data_width = dwc->dw->data_width[dwc_get_dms(dws)];
+
 		for_each_sg(sgl, sg, sg_len, i) {
 			struct dw_desc	*desc;
 			u32		len, dlen, mem;
@@ -815,7 +899,8 @@ slave_sg_todev_fill_desc:
 			mem = sg_dma_address(sg);
 			len = sg_dma_len(sg);
 
-			mem_width = dwc_fast_fls(mem | len);
+			mem_width = min_t(unsigned int,
+					  data_width, dwc_fast_fls(mem | len));
 
 slave_sg_fromdev_fill_desc:
 			desc = dwc_desc_get(dwc);
@@ -828,8 +913,8 @@ slave_sg_fromdev_fill_desc:
 			desc->lli.sar = reg;
 			desc->lli.dar = mem;
 			desc->lli.ctllo = ctllo | DWC_CTLL_DST_WIDTH(mem_width);
-			if ((len >> reg_width) > DWC_MAX_COUNT) {
-				dlen = DWC_MAX_COUNT << reg_width;
+			if ((len >> reg_width) > dwc->block_size) {
+				dlen = dwc->block_size << reg_width;
 				mem += dlen;
 				len -= dlen;
 			} else {
@@ -945,6 +1030,8 @@ static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
 	} else if (cmd == DMA_TERMINATE_ALL) {
 		spin_lock_irqsave(&dwc->lock, flags);
 
+		clear_bit(DW_DMA_IS_SOFT_LLP, &dwc->flags);
+
 		dwc_chan_disable(dw, dwc);
 
 		dwc->paused = false;
@@ -1187,6 +1274,13 @@ struct dw_cyclic_desc *dw_dma_cyclic_prep(struct dma_chan *chan,
 	unsigned long			flags;
 
 	spin_lock_irqsave(&dwc->lock, flags);
+	if (dwc->nollp) {
+		spin_unlock_irqrestore(&dwc->lock, flags);
+		dev_dbg(chan2dev(&dwc->chan),
+				"channel doesn't support LLP transfers\n");
+		return ERR_PTR(-EINVAL);
+	}
+
 	if (!list_empty(&dwc->queue) || !list_empty(&dwc->active_list)) {
 		spin_unlock_irqrestore(&dwc->lock, flags);
 		dev_dbg(chan2dev(&dwc->chan),
@@ -1212,7 +1306,7 @@ struct dw_cyclic_desc *dw_dma_cyclic_prep(struct dma_chan *chan,
 	periods = buf_len / period_len;
 
 	/* Check for too big/unaligned periods and unaligned DMA buffer. */
-	if (period_len > (DWC_MAX_COUNT << reg_width))
+	if (period_len > (dwc->block_size << reg_width))
 		goto out_err;
 	if (unlikely(period_len & ((1 << reg_width) - 1)))
 		goto out_err;
@@ -1374,6 +1468,11 @@ static int __devinit dw_probe(struct platform_device *pdev)
 	struct resource		*io;
 	struct dw_dma		*dw;
 	size_t			size;
+	void __iomem		*regs;
+	bool			autocfg;
+	unsigned int		dw_params;
+	unsigned int		nr_channels;
+	unsigned int		max_blk_size = 0;
 	int			irq;
 	int			err;
 	int			i;
@@ -1390,32 +1489,46 @@ static int __devinit dw_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
-	size = sizeof(struct dw_dma);
-	size += pdata->nr_channels * sizeof(struct dw_dma_chan);
-	dw = kzalloc(size, GFP_KERNEL);
+	regs = devm_request_and_ioremap(&pdev->dev, io);
+	if (!regs)
+		return -EBUSY;
+
+	dw_params = dma_read_byaddr(regs, DW_PARAMS);
+	autocfg = dw_params >> DW_PARAMS_EN & 0x1;
+
+	if (autocfg)
+		nr_channels = (dw_params >> DW_PARAMS_NR_CHAN & 0x7) + 1;
+	else
+		nr_channels = pdata->nr_channels;
+
+	size = sizeof(struct dw_dma) + nr_channels * sizeof(struct dw_dma_chan);
+	dw = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
 	if (!dw)
 		return -ENOMEM;
 
-	if (!request_mem_region(io->start, DW_REGLEN, pdev->dev.driver->name)) {
-		err = -EBUSY;
-		goto err_kfree;
-	}
+	dw->clk = devm_clk_get(&pdev->dev, "hclk");
+	if (IS_ERR(dw->clk))
+		return PTR_ERR(dw->clk);
+	clk_prepare_enable(dw->clk);
 
-	dw->regs = ioremap(io->start, DW_REGLEN);
-	if (!dw->regs) {
-		err = -ENOMEM;
-		goto err_release_r;
-	}
+	dw->regs = regs;
+
+	/* get hardware configuration parameters */
+	if (autocfg) {
+		max_blk_size = dma_readl(dw, MAX_BLK_SIZE);
 
-	dw->clk = clk_get(&pdev->dev, "hclk");
-	if (IS_ERR(dw->clk)) {
-		err = PTR_ERR(dw->clk);
-		goto err_clk;
+		dw->nr_masters = (dw_params >> DW_PARAMS_NR_MASTER & 3) + 1;
+		for (i = 0; i < dw->nr_masters; i++) {
+			dw->data_width[i] =
+				(dw_params >> DW_PARAMS_DATA_WIDTH(i) & 3) + 2;
+		}
+	} else {
+		dw->nr_masters = pdata->nr_masters;
+		memcpy(dw->data_width, pdata->data_width, 4);
 	}
-	clk_prepare_enable(dw->clk);
 
 	/* Calculate all channel mask before DMA setup */
-	dw->all_chan_mask = (1 << pdata->nr_channels) - 1;
+	dw->all_chan_mask = (1 << nr_channels) - 1;
 
 	/* force dma off, just in case */
 	dw_dma_off(dw);
@@ -1423,17 +1536,19 @@ static int __devinit dw_probe(struct platform_device *pdev)
 	/* disable BLOCK interrupts as well */
 	channel_clear_bit(dw, MASK.BLOCK, dw->all_chan_mask);
 
-	err = request_irq(irq, dw_dma_interrupt, 0, "dw_dmac", dw);
+	err = devm_request_irq(&pdev->dev, irq, dw_dma_interrupt, 0,
+			       "dw_dmac", dw);
 	if (err)
-		goto err_irq;
+		return err;
 
 	platform_set_drvdata(pdev, dw);
 
 	tasklet_init(&dw->tasklet, dw_dma_tasklet, (unsigned long)dw);
 
 	INIT_LIST_HEAD(&dw->dma.channels);
-	for (i = 0; i < pdata->nr_channels; i++) {
+	for (i = 0; i < nr_channels; i++) {
 		struct dw_dma_chan	*dwc = &dw->chan[i];
+		int			r = nr_channels - i - 1;
 
 		dwc->chan.device = &dw->dma;
 		dma_cookie_init(&dwc->chan);
@@ -1445,7 +1560,7 @@ static int __devinit dw_probe(struct platform_device *pdev)
 
 		/* 7 is highest priority & 0 is lowest. */
 		if (pdata->chan_priority == CHAN_PRIORITY_ASCENDING)
-			dwc->priority = pdata->nr_channels - i - 1;
+			dwc->priority = r;
 		else
 			dwc->priority = i;
 
@@ -1458,6 +1573,32 @@ static int __devinit dw_probe(struct platform_device *pdev)
 		INIT_LIST_HEAD(&dwc->free_list);
 
 		channel_clear_bit(dw, CH_EN, dwc->mask);
+
+		dwc->dw = dw;
+
+		/* hardware configuration */
+		if (autocfg) {
+			unsigned int dwc_params;
+
+			dwc_params = dma_read_byaddr(regs + r * sizeof(u32),
+						     DWC_PARAMS);
+
+			/* Decode maximum block size for given channel. The
+			 * stored 4 bit value represents blocks from 0x00 for 3
+			 * up to 0x0a for 4095. */
+			dwc->block_size =
+				(4 << ((max_blk_size >> 4 * i) & 0xf)) - 1;
+			dwc->nollp =
+				(dwc_params >> DWC_PARAMS_MBLK_EN & 0x1) == 0;
+		} else {
+			dwc->block_size = pdata->block_size;
+
+			/* Check if channel supports multi block transfer */
+			channel_writel(dwc, LLP, 0xfffffffc);
+			dwc->nollp =
+				(channel_readl(dwc, LLP) & 0xfffffffc) == 0;
+			channel_writel(dwc, LLP, 0);
+		}
 	}
 
 	/* Clear all interrupts on all channels. */
@@ -1486,35 +1627,21 @@ static int __devinit dw_probe(struct platform_device *pdev)
 	dma_writel(dw, CFG, DW_CFG_DMA_EN);
 
 	printk(KERN_INFO "%s: DesignWare DMA Controller, %d channels\n",
-			dev_name(&pdev->dev), pdata->nr_channels);
+			dev_name(&pdev->dev), nr_channels);
 
 	dma_async_device_register(&dw->dma);
 
 	return 0;
-
-err_irq:
-	clk_disable_unprepare(dw->clk);
-	clk_put(dw->clk);
-err_clk:
-	iounmap(dw->regs);
-	dw->regs = NULL;
-err_release_r:
-	release_resource(io);
-err_kfree:
-	kfree(dw);
-	return err;
 }
 
 static int __devexit dw_remove(struct platform_device *pdev)
 {
 	struct dw_dma		*dw = platform_get_drvdata(pdev);
 	struct dw_dma_chan	*dwc, *_dwc;
-	struct resource		*io;
 
 	dw_dma_off(dw);
 	dma_async_device_unregister(&dw->dma);
 
-	free_irq(platform_get_irq(pdev, 0), dw);
 	tasklet_kill(&dw->tasklet);
 
 	list_for_each_entry_safe(dwc, _dwc, &dw->dma.channels,
@@ -1523,17 +1650,6 @@ static int __devexit dw_remove(struct platform_device *pdev)
 		channel_clear_bit(dw, CH_EN, dwc->mask);
 	}
 
-	clk_disable_unprepare(dw->clk);
-	clk_put(dw->clk);
-
-	iounmap(dw->regs);
-	dw->regs = NULL;
-
-	io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(io->start, DW_REGLEN);
-
-	kfree(dw);
-
 	return 0;
 }
 
diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h
index 50830bee087..88965597b7d 100644
--- a/drivers/dma/dw_dmac_regs.h
+++ b/drivers/dma/dw_dmac_regs.h
@@ -82,9 +82,47 @@ struct dw_dma_regs {
 	DW_REG(ID);
 	DW_REG(TEST);
 
+	/* reserved */
+	DW_REG(__reserved0);
+	DW_REG(__reserved1);
+
 	/* optional encoded params, 0x3c8..0x3f7 */
+	u32	__reserved;
+
+	/* per-channel configuration registers */
+	u32	DWC_PARAMS[DW_DMA_MAX_NR_CHANNELS];
+	u32	MULTI_BLK_TYPE;
+	u32	MAX_BLK_SIZE;
+
+	/* top-level parameters */
+	u32	DW_PARAMS;
 };
 
+#ifdef CONFIG_DW_DMAC_BIG_ENDIAN_IO
+#define dma_readl_native ioread32be
+#define dma_writel_native iowrite32be
+#else
+#define dma_readl_native readl
+#define dma_writel_native writel
+#endif
+
+/* To access the registers in early stage of probe */
+#define dma_read_byaddr(addr, name) \
+	dma_readl_native((addr) + offsetof(struct dw_dma_regs, name))
+
+/* Bitfields in DW_PARAMS */
+#define DW_PARAMS_NR_CHAN	8		/* number of channels */
+#define DW_PARAMS_NR_MASTER	11		/* number of AHB masters */
+#define DW_PARAMS_DATA_WIDTH(n)	(15 + 2 * (n))
+#define DW_PARAMS_DATA_WIDTH1	15		/* master 1 data width */
+#define DW_PARAMS_DATA_WIDTH2	17		/* master 2 data width */
+#define DW_PARAMS_DATA_WIDTH3	19		/* master 3 data width */
+#define DW_PARAMS_DATA_WIDTH4	21		/* master 4 data width */
+#define DW_PARAMS_EN		28		/* encoded parameters */
+
+/* Bitfields in DWC_PARAMS */
+#define DWC_PARAMS_MBLK_EN	11		/* multi block transfer */
+
 /* Bitfields in CTL_LO */
 #define DWC_CTLL_INT_EN		(1 << 0)	/* irqs enabled? */
 #define DWC_CTLL_DST_WIDTH(n)	((n)<<1)	/* bytes per element */
@@ -140,10 +178,9 @@ struct dw_dma_regs {
 /* Bitfields in CFG */
 #define DW_CFG_DMA_EN		(1 << 0)
 
-#define DW_REGLEN		0x400
-
 enum dw_dmac_flags {
 	DW_DMA_IS_CYCLIC = 0,
+	DW_DMA_IS_SOFT_LLP = 1,
 };
 
 struct dw_dma_chan {
@@ -154,6 +191,10 @@ struct dw_dma_chan {
 	bool			paused;
 	bool			initialized;
 
+	/* software emulation of the LLP transfers */
+	struct list_head	*tx_list;
+	struct list_head	*tx_node_active;
+
 	spinlock_t		lock;
 
 	/* these other elements are all protected by lock */
@@ -165,8 +206,15 @@ struct dw_dma_chan {
 
 	unsigned int		descs_allocated;
 
+	/* hardware configuration */
+	unsigned int		block_size;
+	bool			nollp;
+
 	/* configuration passed via DMA_SLAVE_CONFIG */
 	struct dma_slave_config dma_sconfig;
+
+	/* backlink to dw_dma */
+	struct dw_dma		*dw;
 };
 
 static inline struct dw_dma_chan_regs __iomem *
@@ -176,9 +224,9 @@ __dwc_regs(struct dw_dma_chan *dwc)
 }
 
 #define channel_readl(dwc, name) \
-	readl(&(__dwc_regs(dwc)->name))
+	dma_readl_native(&(__dwc_regs(dwc)->name))
 #define channel_writel(dwc, name, val) \
-	writel((val), &(__dwc_regs(dwc)->name))
+	dma_writel_native((val), &(__dwc_regs(dwc)->name))
 
 static inline struct dw_dma_chan *to_dw_dma_chan(struct dma_chan *chan)
 {
@@ -193,6 +241,10 @@ struct dw_dma {
 
 	u8			all_chan_mask;
 
+	/* hardware configuration */
+	unsigned char		nr_masters;
+	unsigned char		data_width[4];
+
 	struct dw_dma_chan	chan[0];
 };
 
@@ -202,9 +254,9 @@ static inline struct dw_dma_regs __iomem *__dw_regs(struct dw_dma *dw)
 }
 
 #define dma_readl(dw, name) \
-	readl(&(__dw_regs(dw)->name))
+	dma_readl_native(&(__dw_regs(dw)->name))
 #define dma_writel(dw, name, val) \
-	writel((val), &(__dw_regs(dw)->name))
+	dma_writel_native((val), &(__dw_regs(dw)->name))
 
 #define channel_set_bit(dw, reg, mask) \
 	dma_writel(dw, reg, ((mask) << 8) | (mask))
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
new file mode 100644
index 00000000000..05aea3ce850
--- /dev/null
+++ b/drivers/dma/edma.c
@@ -0,0 +1,671 @@
+/*
+ * TI EDMA DMA engine driver
+ *
+ * Copyright 2012 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/dmaengine.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <mach/edma.h>
+
+#include "dmaengine.h"
+#include "virt-dma.h"
+
+/*
+ * This will go away when the private EDMA API is folded
+ * into this driver and the platform device(s) are
+ * instantiated in the arch code. We can only get away
+ * with this simplification because DA8XX may not be built
+ * in the same kernel image with other DaVinci parts. This
+ * avoids having to sprinkle dmaengine driver platform devices
+ * and data throughout all the existing board files.
+ */
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+#define EDMA_CTLRS	2
+#define EDMA_CHANS	32
+#else
+#define EDMA_CTLRS	1
+#define EDMA_CHANS	64
+#endif /* CONFIG_ARCH_DAVINCI_DA8XX */
+
+/* Max of 16 segments per channel to conserve PaRAM slots */
+#define MAX_NR_SG		16
+#define EDMA_MAX_SLOTS		MAX_NR_SG
+#define EDMA_DESCRIPTORS	16
+
+struct edma_desc {
+	struct virt_dma_desc		vdesc;
+	struct list_head		node;
+	int				absync;
+	int				pset_nr;
+	struct edmacc_param		pset[0];
+};
+
+struct edma_cc;
+
+struct edma_chan {
+	struct virt_dma_chan		vchan;
+	struct list_head		node;
+	struct edma_desc		*edesc;
+	struct edma_cc			*ecc;
+	int				ch_num;
+	bool				alloced;
+	int				slot[EDMA_MAX_SLOTS];
+	dma_addr_t			addr;
+	int				addr_width;
+	int				maxburst;
+};
+
+struct edma_cc {
+	int				ctlr;
+	struct dma_device		dma_slave;
+	struct edma_chan		slave_chans[EDMA_CHANS];
+	int				num_slave_chans;
+	int				dummy_slot;
+};
+
+static inline struct edma_cc *to_edma_cc(struct dma_device *d)
+{
+	return container_of(d, struct edma_cc, dma_slave);
+}
+
+static inline struct edma_chan *to_edma_chan(struct dma_chan *c)
+{
+	return container_of(c, struct edma_chan, vchan.chan);
+}
+
+static inline struct edma_desc
+*to_edma_desc(struct dma_async_tx_descriptor *tx)
+{
+	return container_of(tx, struct edma_desc, vdesc.tx);
+}
+
+static void edma_desc_free(struct virt_dma_desc *vdesc)
+{
+	kfree(container_of(vdesc, struct edma_desc, vdesc));
+}
+
+/* Dispatch a queued descriptor to the controller (caller holds lock) */
+static void edma_execute(struct edma_chan *echan)
+{
+	struct virt_dma_desc *vdesc = vchan_next_desc(&echan->vchan);
+	struct edma_desc *edesc;
+	int i;
+
+	if (!vdesc) {
+		echan->edesc = NULL;
+		return;
+	}
+
+	list_del(&vdesc->node);
+
+	echan->edesc = edesc = to_edma_desc(&vdesc->tx);
+
+	/* Write descriptor PaRAM set(s) */
+	for (i = 0; i < edesc->pset_nr; i++) {
+		edma_write_slot(echan->slot[i], &edesc->pset[i]);
+		dev_dbg(echan->vchan.chan.device->dev,
+			"\n pset[%d]:\n"
+			"  chnum\t%d\n"
+			"  slot\t%d\n"
+			"  opt\t%08x\n"
+			"  src\t%08x\n"
+			"  dst\t%08x\n"
+			"  abcnt\t%08x\n"
+			"  ccnt\t%08x\n"
+			"  bidx\t%08x\n"
+			"  cidx\t%08x\n"
+			"  lkrld\t%08x\n",
+			i, echan->ch_num, echan->slot[i],
+			edesc->pset[i].opt,
+			edesc->pset[i].src,
+			edesc->pset[i].dst,
+			edesc->pset[i].a_b_cnt,
+			edesc->pset[i].ccnt,
+			edesc->pset[i].src_dst_bidx,
+			edesc->pset[i].src_dst_cidx,
+			edesc->pset[i].link_bcntrld);
+		/* Link to the previous slot if not the last set */
+		if (i != (edesc->pset_nr - 1))
+			edma_link(echan->slot[i], echan->slot[i+1]);
+		/* Final pset links to the dummy pset */
+		else
+			edma_link(echan->slot[i], echan->ecc->dummy_slot);
+	}
+
+	edma_start(echan->ch_num);
+}
+
+static int edma_terminate_all(struct edma_chan *echan)
+{
+	unsigned long flags;
+	LIST_HEAD(head);
+
+	spin_lock_irqsave(&echan->vchan.lock, flags);
+
+	/*
+	 * Stop DMA activity: we assume the callback will not be called
+	 * after edma_dma() returns (even if it does, it will see
+	 * echan->edesc is NULL and exit.)
+	 */
+	if (echan->edesc) {
+		echan->edesc = NULL;
+		edma_stop(echan->ch_num);
+	}
+
+	vchan_get_all_descriptors(&echan->vchan, &head);
+	spin_unlock_irqrestore(&echan->vchan.lock, flags);
+	vchan_dma_desc_free_list(&echan->vchan, &head);
+
+	return 0;
+}
+
+
+static int edma_slave_config(struct edma_chan *echan,
+	struct dma_slave_config *config)
+{
+	if ((config->src_addr_width > DMA_SLAVE_BUSWIDTH_4_BYTES) ||
+	    (config->dst_addr_width > DMA_SLAVE_BUSWIDTH_4_BYTES))
+		return -EINVAL;
+
+	if (config->direction == DMA_MEM_TO_DEV) {
+		if (config->dst_addr)
+			echan->addr = config->dst_addr;
+		if (config->dst_addr_width)
+			echan->addr_width = config->dst_addr_width;
+		if (config->dst_maxburst)
+			echan->maxburst = config->dst_maxburst;
+	} else if (config->direction == DMA_DEV_TO_MEM) {
+		if (config->src_addr)
+			echan->addr = config->src_addr;
+		if (config->src_addr_width)
+			echan->addr_width = config->src_addr_width;
+		if (config->src_maxburst)
+			echan->maxburst = config->src_maxburst;
+	}
+
+	return 0;
+}
+
+static int edma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
+			unsigned long arg)
+{
+	int ret = 0;
+	struct dma_slave_config *config;
+	struct edma_chan *echan = to_edma_chan(chan);
+
+	switch (cmd) {
+	case DMA_TERMINATE_ALL:
+		edma_terminate_all(echan);
+		break;
+	case DMA_SLAVE_CONFIG:
+		config = (struct dma_slave_config *)arg;
+		ret = edma_slave_config(echan, config);
+		break;
+	default:
+		ret = -ENOSYS;
+	}
+
+	return ret;
+}
+
+static struct dma_async_tx_descriptor *edma_prep_slave_sg(
+	struct dma_chan *chan, struct scatterlist *sgl,
+	unsigned int sg_len, enum dma_transfer_direction direction,
+	unsigned long tx_flags, void *context)
+{
+	struct edma_chan *echan = to_edma_chan(chan);
+	struct device *dev = chan->device->dev;
+	struct edma_desc *edesc;
+	struct scatterlist *sg;
+	int i;
+	int acnt, bcnt, ccnt, src, dst, cidx;
+	int src_bidx, dst_bidx, src_cidx, dst_cidx;
+
+	if (unlikely(!echan || !sgl || !sg_len))
+		return NULL;
+
+	if (echan->addr_width == DMA_SLAVE_BUSWIDTH_UNDEFINED) {
+		dev_err(dev, "Undefined slave buswidth\n");
+		return NULL;
+	}
+
+	if (sg_len > MAX_NR_SG) {
+		dev_err(dev, "Exceeded max SG segments %d > %d\n",
+			sg_len, MAX_NR_SG);
+		return NULL;
+	}
+
+	edesc = kzalloc(sizeof(*edesc) + sg_len *
+		sizeof(edesc->pset[0]), GFP_ATOMIC);
+	if (!edesc) {
+		dev_dbg(dev, "Failed to allocate a descriptor\n");
+		return NULL;
+	}
+
+	edesc->pset_nr = sg_len;
+
+	for_each_sg(sgl, sg, sg_len, i) {
+		/* Allocate a PaRAM slot, if needed */
+		if (echan->slot[i] < 0) {
+			echan->slot[i] =
+				edma_alloc_slot(EDMA_CTLR(echan->ch_num),
+						EDMA_SLOT_ANY);
+			if (echan->slot[i] < 0) {
+				dev_err(dev, "Failed to allocate slot\n");
+				return NULL;
+			}
+		}
+
+		acnt = echan->addr_width;
+
+		/*
+		 * If the maxburst is equal to the fifo width, use
+		 * A-synced transfers. This allows for large contiguous
+		 * buffer transfers using only one PaRAM set.
+		 */
+		if (echan->maxburst == 1) {
+			edesc->absync = false;
+			ccnt = sg_dma_len(sg) / acnt / (SZ_64K - 1);
+			bcnt = sg_dma_len(sg) / acnt - ccnt * (SZ_64K - 1);
+			if (bcnt)
+				ccnt++;
+			else
+				bcnt = SZ_64K - 1;
+			cidx = acnt;
+		/*
+		 * If maxburst is greater than the fifo address_width,
+		 * use AB-synced transfers where A count is the fifo
+		 * address_width and B count is the maxburst. In this
+		 * case, we are limited to transfers of C count frames
+		 * of (address_width * maxburst) where C count is limited
+		 * to SZ_64K-1. This places an upper bound on the length
+		 * of an SG segment that can be handled.
+		 */
+		} else {
+			edesc->absync = true;
+			bcnt = echan->maxburst;
+			ccnt = sg_dma_len(sg) / (acnt * bcnt);
+			if (ccnt > (SZ_64K - 1)) {
+				dev_err(dev, "Exceeded max SG segment size\n");
+				return NULL;
+			}
+			cidx = acnt * bcnt;
+		}
+
+		if (direction == DMA_MEM_TO_DEV) {
+			src = sg_dma_address(sg);
+			dst = echan->addr;
+			src_bidx = acnt;
+			src_cidx = cidx;
+			dst_bidx = 0;
+			dst_cidx = 0;
+		} else {
+			src = echan->addr;
+			dst = sg_dma_address(sg);
+			src_bidx = 0;
+			src_cidx = 0;
+			dst_bidx = acnt;
+			dst_cidx = cidx;
+		}
+
+		edesc->pset[i].opt = EDMA_TCC(EDMA_CHAN_SLOT(echan->ch_num));
+		/* Configure A or AB synchronized transfers */
+		if (edesc->absync)
+			edesc->pset[i].opt |= SYNCDIM;
+		/* If this is the last set, enable completion interrupt flag */
+		if (i == sg_len - 1)
+			edesc->pset[i].opt |= TCINTEN;
+
+		edesc->pset[i].src = src;
+		edesc->pset[i].dst = dst;
+
+		edesc->pset[i].src_dst_bidx = (dst_bidx << 16) | src_bidx;
+		edesc->pset[i].src_dst_cidx = (dst_cidx << 16) | src_cidx;
+
+		edesc->pset[i].a_b_cnt = bcnt << 16 | acnt;
+		edesc->pset[i].ccnt = ccnt;
+		edesc->pset[i].link_bcntrld = 0xffffffff;
+
+	}
+
+	return vchan_tx_prep(&echan->vchan, &edesc->vdesc, tx_flags);
+}
+
+static void edma_callback(unsigned ch_num, u16 ch_status, void *data)
+{
+	struct edma_chan *echan = data;
+	struct device *dev = echan->vchan.chan.device->dev;
+	struct edma_desc *edesc;
+	unsigned long flags;
+
+	/* Stop the channel */
+	edma_stop(echan->ch_num);
+
+	switch (ch_status) {
+	case DMA_COMPLETE:
+		dev_dbg(dev, "transfer complete on channel %d\n", ch_num);
+
+		spin_lock_irqsave(&echan->vchan.lock, flags);
+
+		edesc = echan->edesc;
+		if (edesc) {
+			edma_execute(echan);
+			vchan_cookie_complete(&edesc->vdesc);
+		}
+
+		spin_unlock_irqrestore(&echan->vchan.lock, flags);
+
+		break;
+	case DMA_CC_ERROR:
+		dev_dbg(dev, "transfer error on channel %d\n", ch_num);
+		break;
+	default:
+		break;
+	}
+}
+
+/* Alloc channel resources */
+static int edma_alloc_chan_resources(struct dma_chan *chan)
+{
+	struct edma_chan *echan = to_edma_chan(chan);
+	struct device *dev = chan->device->dev;
+	int ret;
+	int a_ch_num;
+	LIST_HEAD(descs);
+
+	a_ch_num = edma_alloc_channel(echan->ch_num, edma_callback,
+					chan, EVENTQ_DEFAULT);
+
+	if (a_ch_num < 0) {
+		ret = -ENODEV;
+		goto err_no_chan;
+	}
+
+	if (a_ch_num != echan->ch_num) {
+		dev_err(dev, "failed to allocate requested channel %u:%u\n",
+			EDMA_CTLR(echan->ch_num),
+			EDMA_CHAN_SLOT(echan->ch_num));
+		ret = -ENODEV;
+		goto err_wrong_chan;
+	}
+
+	echan->alloced = true;
+	echan->slot[0] = echan->ch_num;
+
+	dev_info(dev, "allocated channel for %u:%u\n",
+		 EDMA_CTLR(echan->ch_num), EDMA_CHAN_SLOT(echan->ch_num));
+
+	return 0;
+
+err_wrong_chan:
+	edma_free_channel(a_ch_num);
+err_no_chan:
+	return ret;
+}
+
+/* Free channel resources */
+static void edma_free_chan_resources(struct dma_chan *chan)
+{
+	struct edma_chan *echan = to_edma_chan(chan);
+	struct device *dev = chan->device->dev;
+	int i;
+
+	/* Terminate transfers */
+	edma_stop(echan->ch_num);
+
+	vchan_free_chan_resources(&echan->vchan);
+
+	/* Free EDMA PaRAM slots */
+	for (i = 1; i < EDMA_MAX_SLOTS; i++) {
+		if (echan->slot[i] >= 0) {
+			edma_free_slot(echan->slot[i]);
+			echan->slot[i] = -1;
+		}
+	}
+
+	/* Free EDMA channel */
+	if (echan->alloced) {
+		edma_free_channel(echan->ch_num);
+		echan->alloced = false;
+	}
+
+	dev_info(dev, "freeing channel for %u\n", echan->ch_num);
+}
+
+/* Send pending descriptor to hardware */
+static void edma_issue_pending(struct dma_chan *chan)
+{
+	struct edma_chan *echan = to_edma_chan(chan);
+	unsigned long flags;
+
+	spin_lock_irqsave(&echan->vchan.lock, flags);
+	if (vchan_issue_pending(&echan->vchan) && !echan->edesc)
+		edma_execute(echan);
+	spin_unlock_irqrestore(&echan->vchan.lock, flags);
+}
+
+static size_t edma_desc_size(struct edma_desc *edesc)
+{
+	int i;
+	size_t size;
+
+	if (edesc->absync)
+		for (size = i = 0; i < edesc->pset_nr; i++)
+			size += (edesc->pset[i].a_b_cnt & 0xffff) *
+				(edesc->pset[i].a_b_cnt >> 16) *
+				 edesc->pset[i].ccnt;
+	else
+		size = (edesc->pset[0].a_b_cnt & 0xffff) *
+			(edesc->pset[0].a_b_cnt >> 16) +
+			(edesc->pset[0].a_b_cnt & 0xffff) *
+			(SZ_64K - 1) * edesc->pset[0].ccnt;
+
+	return size;
+}
+
+/* Check request completion status */
+static enum dma_status edma_tx_status(struct dma_chan *chan,
+				      dma_cookie_t cookie,
+				      struct dma_tx_state *txstate)
+{
+	struct edma_chan *echan = to_edma_chan(chan);
+	struct virt_dma_desc *vdesc;
+	enum dma_status ret;
+	unsigned long flags;
+
+	ret = dma_cookie_status(chan, cookie, txstate);
+	if (ret == DMA_SUCCESS || !txstate)
+		return ret;
+
+	spin_lock_irqsave(&echan->vchan.lock, flags);
+	vdesc = vchan_find_desc(&echan->vchan, cookie);
+	if (vdesc) {
+		txstate->residue = edma_desc_size(to_edma_desc(&vdesc->tx));
+	} else if (echan->edesc && echan->edesc->vdesc.tx.cookie == cookie) {
+		struct edma_desc *edesc = echan->edesc;
+		txstate->residue = edma_desc_size(edesc);
+	} else {
+		txstate->residue = 0;
+	}
+	spin_unlock_irqrestore(&echan->vchan.lock, flags);
+
+	return ret;
+}
+
+static void __init edma_chan_init(struct edma_cc *ecc,
+				  struct dma_device *dma,
+				  struct edma_chan *echans)
+{
+	int i, j;
+
+	for (i = 0; i < EDMA_CHANS; i++) {
+		struct edma_chan *echan = &echans[i];
+		echan->ch_num = EDMA_CTLR_CHAN(ecc->ctlr, i);
+		echan->ecc = ecc;
+		echan->vchan.desc_free = edma_desc_free;
+
+		vchan_init(&echan->vchan, dma);
+
+		INIT_LIST_HEAD(&echan->node);
+		for (j = 0; j < EDMA_MAX_SLOTS; j++)
+			echan->slot[j] = -1;
+	}
+}
+
+static void edma_dma_init(struct edma_cc *ecc, struct dma_device *dma,
+			  struct device *dev)
+{
+	dma->device_prep_slave_sg = edma_prep_slave_sg;
+	dma->device_alloc_chan_resources = edma_alloc_chan_resources;
+	dma->device_free_chan_resources = edma_free_chan_resources;
+	dma->device_issue_pending = edma_issue_pending;
+	dma->device_tx_status = edma_tx_status;
+	dma->device_control = edma_control;
+	dma->dev = dev;
+
+	INIT_LIST_HEAD(&dma->channels);
+}
+
+static int __devinit edma_probe(struct platform_device *pdev)
+{
+	struct edma_cc *ecc;
+	int ret;
+
+	ecc = devm_kzalloc(&pdev->dev, sizeof(*ecc), GFP_KERNEL);
+	if (!ecc) {
+		dev_err(&pdev->dev, "Can't allocate controller\n");
+		return -ENOMEM;
+	}
+
+	ecc->ctlr = pdev->id;
+	ecc->dummy_slot = edma_alloc_slot(ecc->ctlr, EDMA_SLOT_ANY);
+	if (ecc->dummy_slot < 0) {
+		dev_err(&pdev->dev, "Can't allocate PaRAM dummy slot\n");
+		return -EIO;
+	}
+
+	dma_cap_zero(ecc->dma_slave.cap_mask);
+	dma_cap_set(DMA_SLAVE, ecc->dma_slave.cap_mask);
+
+	edma_dma_init(ecc, &ecc->dma_slave, &pdev->dev);
+
+	edma_chan_init(ecc, &ecc->dma_slave, ecc->slave_chans);
+
+	ret = dma_async_device_register(&ecc->dma_slave);
+	if (ret)
+		goto err_reg1;
+
+	platform_set_drvdata(pdev, ecc);
+
+	dev_info(&pdev->dev, "TI EDMA DMA engine driver\n");
+
+	return 0;
+
+err_reg1:
+	edma_free_slot(ecc->dummy_slot);
+	return ret;
+}
+
+static int __devexit edma_remove(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct edma_cc *ecc = dev_get_drvdata(dev);
+
+	dma_async_device_unregister(&ecc->dma_slave);
+	edma_free_slot(ecc->dummy_slot);
+
+	return 0;
+}
+
+static struct platform_driver edma_driver = {
+	.probe		= edma_probe,
+	.remove		= __devexit_p(edma_remove),
+	.driver = {
+		.name = "edma-dma-engine",
+		.owner = THIS_MODULE,
+	},
+};
+
+bool edma_filter_fn(struct dma_chan *chan, void *param)
+{
+	if (chan->device->dev->driver == &edma_driver.driver) {
+		struct edma_chan *echan = to_edma_chan(chan);
+		unsigned ch_req = *(unsigned *)param;
+		return ch_req == echan->ch_num;
+	}
+	return false;
+}
+EXPORT_SYMBOL(edma_filter_fn);
+
+static struct platform_device *pdev0, *pdev1;
+
+static const struct platform_device_info edma_dev_info0 = {
+	.name = "edma-dma-engine",
+	.id = 0,
+	.dma_mask = DMA_BIT_MASK(32),
+};
+
+static const struct platform_device_info edma_dev_info1 = {
+	.name = "edma-dma-engine",
+	.id = 1,
+	.dma_mask = DMA_BIT_MASK(32),
+};
+
+static int edma_init(void)
+{
+	int ret = platform_driver_register(&edma_driver);
+
+	if (ret == 0) {
+		pdev0 = platform_device_register_full(&edma_dev_info0);
+		if (IS_ERR(pdev0)) {
+			platform_driver_unregister(&edma_driver);
+			ret = PTR_ERR(pdev0);
+			goto out;
+		}
+	}
+
+	if (EDMA_CTLRS == 2) {
+		pdev1 = platform_device_register_full(&edma_dev_info1);
+		if (IS_ERR(pdev1)) {
+			platform_driver_unregister(&edma_driver);
+			platform_device_unregister(pdev0);
+			ret = PTR_ERR(pdev1);
+		}
+	}
+
+out:
+	return ret;
+}
+subsys_initcall(edma_init);
+
+static void __exit edma_exit(void)
+{
+	platform_device_unregister(pdev0);
+	if (pdev1)
+		platform_device_unregister(pdev1);
+	platform_driver_unregister(&edma_driver);
+}
+module_exit(edma_exit);
+
+MODULE_AUTHOR("Matt Porter <mporter@ti.com>");
+MODULE_DESCRIPTION("TI EDMA DMA engine driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index f11b5b2b1a1..7d9554cc497 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -474,8 +474,10 @@ static int imxdma_xfer_desc(struct imxdma_desc *d)
 			slot = i;
 			break;
 		}
-		if (slot < 0)
+		if (slot < 0) {
+			spin_unlock_irqrestore(&imxdma->lock, flags);
 			return -EBUSY;
+		}
 
 		imxdma->slots_2d[slot].xsr = d->x;
 		imxdma->slots_2d[slot].ysr = d->y;
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 86895760b59..b9d66785144 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -434,12 +434,11 @@ static struct ioat_ring_ent *ioat2_alloc_ring_ent(struct dma_chan *chan, gfp_t f
 		return NULL;
 	memset(hw, 0, sizeof(*hw));
 
-	desc = kmem_cache_alloc(ioat2_cache, flags);
+	desc = kmem_cache_zalloc(ioat2_cache, flags);
 	if (!desc) {
 		pci_pool_free(dma->dma_pool, hw, phys);
 		return NULL;
 	}
-	memset(desc, 0, sizeof(*desc));
 
 	dma_async_tx_descriptor_init(&desc->txd, chan);
 	desc->txd.tx_submit = ioat2_tx_submit_unlock;
diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index 5e3a40f7994..c0573061b45 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -40,6 +40,17 @@ MODULE_VERSION(IOAT_DMA_VERSION);
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_AUTHOR("Intel Corporation");
 
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB0	0x0e20
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB1	0x0e21
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB2	0x0e22
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB3	0x0e23
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB4	0x0e24
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB5	0x0e25
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB6	0x0e26
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB7	0x0e27
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB8	0x0e2e
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB9	0x0e2f
+
 static struct pci_device_id ioat_pci_tbl[] = {
 	/* I/OAT v1 platforms */
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT) },
@@ -83,6 +94,17 @@ static struct pci_device_id ioat_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB8) },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB9) },
 
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB0) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB1) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB2) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB3) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB4) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB5) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB6) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB7) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB8) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_IVB9) },
+
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, ioat_pci_tbl);
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
new file mode 100644
index 00000000000..14da1f403ed
--- /dev/null
+++ b/drivers/dma/mmp_pdma.c
@@ -0,0 +1,875 @@
+/*
+ * Copyright 2012 Marvell International Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <linux/dmaengine.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/platform_data/mmp_dma.h>
+#include <linux/dmapool.h>
+#include <linux/of_device.h>
+#include <linux/of.h>
+
+#include "dmaengine.h"
+
+#define DCSR		0x0000
+#define DALGN		0x00a0
+#define DINT		0x00f0
+#define DDADR		0x0200
+#define DSADR		0x0204
+#define DTADR		0x0208
+#define DCMD		0x020c
+
+#define DCSR_RUN	(1 << 31)	/* Run Bit (read / write) */
+#define DCSR_NODESC	(1 << 30)	/* No-Descriptor Fetch (read / write) */
+#define DCSR_STOPIRQEN	(1 << 29)	/* Stop Interrupt Enable (read / write) */
+#define DCSR_REQPEND	(1 << 8)	/* Request Pending (read-only) */
+#define DCSR_STOPSTATE	(1 << 3)	/* Stop State (read-only) */
+#define DCSR_ENDINTR	(1 << 2)	/* End Interrupt (read / write) */
+#define DCSR_STARTINTR	(1 << 1)	/* Start Interrupt (read / write) */
+#define DCSR_BUSERR	(1 << 0)	/* Bus Error Interrupt (read / write) */
+
+#define DCSR_EORIRQEN	(1 << 28)       /* End of Receive Interrupt Enable (R/W) */
+#define DCSR_EORJMPEN	(1 << 27)       /* Jump to next descriptor on EOR */
+#define DCSR_EORSTOPEN	(1 << 26)       /* STOP on an EOR */
+#define DCSR_SETCMPST	(1 << 25)       /* Set Descriptor Compare Status */
+#define DCSR_CLRCMPST	(1 << 24)       /* Clear Descriptor Compare Status */
+#define DCSR_CMPST	(1 << 10)       /* The Descriptor Compare Status */
+#define DCSR_EORINTR	(1 << 9)        /* The end of Receive */
+
+#define DRCMR_MAPVLD	(1 << 7)	/* Map Valid (read / write) */
+#define DRCMR_CHLNUM	0x1f		/* mask for Channel Number (read / write) */
+
+#define DDADR_DESCADDR	0xfffffff0	/* Address of next descriptor (mask) */
+#define DDADR_STOP	(1 << 0)	/* Stop (read / write) */
+
+#define DCMD_INCSRCADDR	(1 << 31)	/* Source Address Increment Setting. */
+#define DCMD_INCTRGADDR	(1 << 30)	/* Target Address Increment Setting. */
+#define DCMD_FLOWSRC	(1 << 29)	/* Flow Control by the source. */
+#define DCMD_FLOWTRG	(1 << 28)	/* Flow Control by the target. */
+#define DCMD_STARTIRQEN	(1 << 22)	/* Start Interrupt Enable */
+#define DCMD_ENDIRQEN	(1 << 21)	/* End Interrupt Enable */
+#define DCMD_ENDIAN	(1 << 18)	/* Device Endian-ness. */
+#define DCMD_BURST8	(1 << 16)	/* 8 byte burst */
+#define DCMD_BURST16	(2 << 16)	/* 16 byte burst */
+#define DCMD_BURST32	(3 << 16)	/* 32 byte burst */
+#define DCMD_WIDTH1	(1 << 14)	/* 1 byte width */
+#define DCMD_WIDTH2	(2 << 14)	/* 2 byte width (HalfWord) */
+#define DCMD_WIDTH4	(3 << 14)	/* 4 byte width (Word) */
+#define DCMD_LENGTH	0x01fff		/* length mask (max = 8K - 1) */
+
+#define PDMA_ALIGNMENT		3
+#define PDMA_MAX_DESC_BYTES	0x1000
+
+struct mmp_pdma_desc_hw {
+	u32 ddadr;	/* Points to the next descriptor + flags */
+	u32 dsadr;	/* DSADR value for the current transfer */
+	u32 dtadr;	/* DTADR value for the current transfer */
+	u32 dcmd;	/* DCMD value for the current transfer */
+} __aligned(32);
+
+struct mmp_pdma_desc_sw {
+	struct mmp_pdma_desc_hw desc;
+	struct list_head node;
+	struct list_head tx_list;
+	struct dma_async_tx_descriptor async_tx;
+};
+
+struct mmp_pdma_phy;
+
+struct mmp_pdma_chan {
+	struct device *dev;
+	struct dma_chan chan;
+	struct dma_async_tx_descriptor desc;
+	struct mmp_pdma_phy *phy;
+	enum dma_transfer_direction dir;
+
+	/* channel's basic info */
+	struct tasklet_struct tasklet;
+	u32 dcmd;
+	u32 drcmr;
+	u32 dev_addr;
+
+	/* list for desc */
+	spinlock_t desc_lock;		/* Descriptor list lock */
+	struct list_head chain_pending;	/* Link descriptors queue for pending */
+	struct list_head chain_running;	/* Link descriptors queue for running */
+	bool idle;			/* channel statue machine */
+
+	struct dma_pool *desc_pool;	/* Descriptors pool */
+};
+
+struct mmp_pdma_phy {
+	int idx;
+	void __iomem *base;
+	struct mmp_pdma_chan *vchan;
+};
+
+struct mmp_pdma_device {
+	int				dma_channels;
+	void __iomem			*base;
+	struct device			*dev;
+	struct dma_device		device;
+	struct mmp_pdma_phy		*phy;
+};
+
+#define tx_to_mmp_pdma_desc(tx) container_of(tx, struct mmp_pdma_desc_sw, async_tx)
+#define to_mmp_pdma_desc(lh) container_of(lh, struct mmp_pdma_desc_sw, node)
+#define to_mmp_pdma_chan(dchan) container_of(dchan, struct mmp_pdma_chan, chan)
+#define to_mmp_pdma_dev(dmadev) container_of(dmadev, struct mmp_pdma_device, device)
+
+static void set_desc(struct mmp_pdma_phy *phy, dma_addr_t addr)
+{
+	u32 reg = (phy->idx << 4) + DDADR;
+
+	writel(addr, phy->base + reg);
+}
+
+static void enable_chan(struct mmp_pdma_phy *phy)
+{
+	u32 reg;
+
+	if (!phy->vchan)
+		return;
+
+	reg = phy->vchan->drcmr;
+	reg = (((reg) < 64) ? 0x0100 : 0x1100) + (((reg) & 0x3f) << 2);
+	writel(DRCMR_MAPVLD | phy->idx, phy->base + reg);
+
+	reg = (phy->idx << 2) + DCSR;
+	writel(readl(phy->base + reg) | DCSR_RUN,
+					phy->base + reg);
+}
+
+static void disable_chan(struct mmp_pdma_phy *phy)
+{
+	u32 reg;
+
+	if (phy) {
+		reg = (phy->idx << 2) + DCSR;
+		writel(readl(phy->base + reg) & ~DCSR_RUN,
+						phy->base + reg);
+	}
+}
+
+static int clear_chan_irq(struct mmp_pdma_phy *phy)
+{
+	u32 dcsr;
+	u32 dint = readl(phy->base + DINT);
+	u32 reg = (phy->idx << 2) + DCSR;
+
+	if (dint & BIT(phy->idx)) {
+		/* clear irq */
+		dcsr = readl(phy->base + reg);
+		writel(dcsr, phy->base + reg);
+		if ((dcsr & DCSR_BUSERR) && (phy->vchan))
+			dev_warn(phy->vchan->dev, "DCSR_BUSERR\n");
+		return 0;
+	}
+	return -EAGAIN;
+}
+
+static irqreturn_t mmp_pdma_chan_handler(int irq, void *dev_id)
+{
+	struct mmp_pdma_phy *phy = dev_id;
+
+	if (clear_chan_irq(phy) == 0) {
+		tasklet_schedule(&phy->vchan->tasklet);
+		return IRQ_HANDLED;
+	} else
+		return IRQ_NONE;
+}
+
+static irqreturn_t mmp_pdma_int_handler(int irq, void *dev_id)
+{
+	struct mmp_pdma_device *pdev = dev_id;
+	struct mmp_pdma_phy *phy;
+	u32 dint = readl(pdev->base + DINT);
+	int i, ret;
+	int irq_num = 0;
+
+	while (dint) {
+		i = __ffs(dint);
+		dint &= (dint - 1);
+		phy = &pdev->phy[i];
+		ret = mmp_pdma_chan_handler(irq, phy);
+		if (ret == IRQ_HANDLED)
+			irq_num++;
+	}
+
+	if (irq_num)
+		return IRQ_HANDLED;
+	else
+		return IRQ_NONE;
+}
+
+/* lookup free phy channel as descending priority */
+static struct mmp_pdma_phy *lookup_phy(struct mmp_pdma_chan *pchan)
+{
+	int prio, i;
+	struct mmp_pdma_device *pdev = to_mmp_pdma_dev(pchan->chan.device);
+	struct mmp_pdma_phy *phy;
+
+	/*
+	 * dma channel priorities
+	 * ch 0 - 3,  16 - 19  <--> (0)
+	 * ch 4 - 7,  20 - 23  <--> (1)
+	 * ch 8 - 11, 24 - 27  <--> (2)
+	 * ch 12 - 15, 28 - 31  <--> (3)
+	 */
+	for (prio = 0; prio <= (((pdev->dma_channels - 1) & 0xf) >> 2); prio++) {
+		for (i = 0; i < pdev->dma_channels; i++) {
+			if (prio != ((i & 0xf) >> 2))
+				continue;
+			phy = &pdev->phy[i];
+			if (!phy->vchan) {
+				phy->vchan = pchan;
+				return phy;
+			}
+		}
+	}
+
+	return NULL;
+}
+
+/* desc->tx_list ==> pending list */
+static void append_pending_queue(struct mmp_pdma_chan *chan,
+					struct mmp_pdma_desc_sw *desc)
+{
+	struct mmp_pdma_desc_sw *tail =
+				to_mmp_pdma_desc(chan->chain_pending.prev);
+
+	if (list_empty(&chan->chain_pending))
+		goto out_splice;
+
+	/* one irq per queue, even appended */
+	tail->desc.ddadr = desc->async_tx.phys;
+	tail->desc.dcmd &= ~DCMD_ENDIRQEN;
+
+	/* softly link to pending list */
+out_splice:
+	list_splice_tail_init(&desc->tx_list, &chan->chain_pending);
+}
+
+/**
+ * start_pending_queue - transfer any pending transactions
+ * pending list ==> running list
+ */
+static void start_pending_queue(struct mmp_pdma_chan *chan)
+{
+	struct mmp_pdma_desc_sw *desc;
+
+	/* still in running, irq will start the pending list */
+	if (!chan->idle) {
+		dev_dbg(chan->dev, "DMA controller still busy\n");
+		return;
+	}
+
+	if (list_empty(&chan->chain_pending)) {
+		/* chance to re-fetch phy channel with higher prio */
+		if (chan->phy) {
+			chan->phy->vchan = NULL;
+			chan->phy = NULL;
+		}
+		dev_dbg(chan->dev, "no pending list\n");
+		return;
+	}
+
+	if (!chan->phy) {
+		chan->phy = lookup_phy(chan);
+		if (!chan->phy) {
+			dev_dbg(chan->dev, "no free dma channel\n");
+			return;
+		}
+	}
+
+	/*
+	 * pending -> running
+	 * reintilize pending list
+	 */
+	desc = list_first_entry(&chan->chain_pending,
+				struct mmp_pdma_desc_sw, node);
+	list_splice_tail_init(&chan->chain_pending, &chan->chain_running);
+
+	/*
+	 * Program the descriptor's address into the DMA controller,
+	 * then start the DMA transaction
+	 */
+	set_desc(chan->phy, desc->async_tx.phys);
+	enable_chan(chan->phy);
+	chan->idle = false;
+}
+
+
+/* desc->tx_list ==> pending list */
+static dma_cookie_t mmp_pdma_tx_submit(struct dma_async_tx_descriptor *tx)
+{
+	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(tx->chan);
+	struct mmp_pdma_desc_sw *desc = tx_to_mmp_pdma_desc(tx);
+	struct mmp_pdma_desc_sw *child;
+	unsigned long flags;
+	dma_cookie_t cookie = -EBUSY;
+
+	spin_lock_irqsave(&chan->desc_lock, flags);
+
+	list_for_each_entry(child, &desc->tx_list, node) {
+		cookie = dma_cookie_assign(&child->async_tx);
+	}
+
+	append_pending_queue(chan, desc);
+
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
+
+	return cookie;
+}
+
+struct mmp_pdma_desc_sw *mmp_pdma_alloc_descriptor(struct mmp_pdma_chan *chan)
+{
+	struct mmp_pdma_desc_sw *desc;
+	dma_addr_t pdesc;
+
+	desc = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &pdesc);
+	if (!desc) {
+		dev_err(chan->dev, "out of memory for link descriptor\n");
+		return NULL;
+	}
+
+	memset(desc, 0, sizeof(*desc));
+	INIT_LIST_HEAD(&desc->tx_list);
+	dma_async_tx_descriptor_init(&desc->async_tx, &chan->chan);
+	/* each desc has submit */
+	desc->async_tx.tx_submit = mmp_pdma_tx_submit;
+	desc->async_tx.phys = pdesc;
+
+	return desc;
+}
+
+/**
+ * mmp_pdma_alloc_chan_resources - Allocate resources for DMA channel.
+ *
+ * This function will create a dma pool for descriptor allocation.
+ * Request irq only when channel is requested
+ * Return - The number of allocated descriptors.
+ */
+
+static int mmp_pdma_alloc_chan_resources(struct dma_chan *dchan)
+{
+	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan);
+
+	if (chan->desc_pool)
+		return 1;
+
+	chan->desc_pool =
+		dma_pool_create(dev_name(&dchan->dev->device), chan->dev,
+				  sizeof(struct mmp_pdma_desc_sw),
+				  __alignof__(struct mmp_pdma_desc_sw), 0);
+	if (!chan->desc_pool) {
+		dev_err(chan->dev, "unable to allocate descriptor pool\n");
+		return -ENOMEM;
+	}
+	if (chan->phy) {
+		chan->phy->vchan = NULL;
+		chan->phy = NULL;
+	}
+	chan->idle = true;
+	chan->dev_addr = 0;
+	return 1;
+}
+
+static void mmp_pdma_free_desc_list(struct mmp_pdma_chan *chan,
+				  struct list_head *list)
+{
+	struct mmp_pdma_desc_sw *desc, *_desc;
+
+	list_for_each_entry_safe(desc, _desc, list, node) {
+		list_del(&desc->node);
+		dma_pool_free(chan->desc_pool, desc, desc->async_tx.phys);
+	}
+}
+
+static void mmp_pdma_free_chan_resources(struct dma_chan *dchan)
+{
+	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan);
+	unsigned long flags;
+
+	spin_lock_irqsave(&chan->desc_lock, flags);
+	mmp_pdma_free_desc_list(chan, &chan->chain_pending);
+	mmp_pdma_free_desc_list(chan, &chan->chain_running);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
+
+	dma_pool_destroy(chan->desc_pool);
+	chan->desc_pool = NULL;
+	chan->idle = true;
+	chan->dev_addr = 0;
+	if (chan->phy) {
+		chan->phy->vchan = NULL;
+		chan->phy = NULL;
+	}
+	return;
+}
+
+static struct dma_async_tx_descriptor *
+mmp_pdma_prep_memcpy(struct dma_chan *dchan,
+	dma_addr_t dma_dst, dma_addr_t dma_src,
+	size_t len, unsigned long flags)
+{
+	struct mmp_pdma_chan *chan;
+	struct mmp_pdma_desc_sw *first = NULL, *prev = NULL, *new;
+	size_t copy = 0;
+
+	if (!dchan)
+		return NULL;
+
+	if (!len)
+		return NULL;
+
+	chan = to_mmp_pdma_chan(dchan);
+
+	if (!chan->dir) {
+		chan->dir = DMA_MEM_TO_MEM;
+		chan->dcmd = DCMD_INCTRGADDR | DCMD_INCSRCADDR;
+		chan->dcmd |= DCMD_BURST32;
+	}
+
+	do {
+		/* Allocate the link descriptor from DMA pool */
+		new = mmp_pdma_alloc_descriptor(chan);
+		if (!new) {
+			dev_err(chan->dev, "no memory for desc\n");
+			goto fail;
+		}
+
+		copy = min_t(size_t, len, PDMA_MAX_DESC_BYTES);
+
+		new->desc.dcmd = chan->dcmd | (DCMD_LENGTH & copy);
+		new->desc.dsadr = dma_src;
+		new->desc.dtadr = dma_dst;
+
+		if (!first)
+			first = new;
+		else
+			prev->desc.ddadr = new->async_tx.phys;
+
+		new->async_tx.cookie = 0;
+		async_tx_ack(&new->async_tx);
+
+		prev = new;
+		len -= copy;
+
+		if (chan->dir == DMA_MEM_TO_DEV) {
+			dma_src += copy;
+		} else if (chan->dir == DMA_DEV_TO_MEM) {
+			dma_dst += copy;
+		} else if (chan->dir == DMA_MEM_TO_MEM) {
+			dma_src += copy;
+			dma_dst += copy;
+		}
+
+		/* Insert the link descriptor to the LD ring */
+		list_add_tail(&new->node, &first->tx_list);
+	} while (len);
+
+	first->async_tx.flags = flags; /* client is in control of this ack */
+	first->async_tx.cookie = -EBUSY;
+
+	/* last desc and fire IRQ */
+	new->desc.ddadr = DDADR_STOP;
+	new->desc.dcmd |= DCMD_ENDIRQEN;
+
+	return &first->async_tx;
+
+fail:
+	if (first)
+		mmp_pdma_free_desc_list(chan, &first->tx_list);
+	return NULL;
+}
+
+static struct dma_async_tx_descriptor *
+mmp_pdma_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl,
+			 unsigned int sg_len, enum dma_transfer_direction dir,
+			 unsigned long flags, void *context)
+{
+	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan);
+	struct mmp_pdma_desc_sw *first = NULL, *prev = NULL, *new = NULL;
+	size_t len, avail;
+	struct scatterlist *sg;
+	dma_addr_t addr;
+	int i;
+
+	if ((sgl == NULL) || (sg_len == 0))
+		return NULL;
+
+	for_each_sg(sgl, sg, sg_len, i) {
+		addr = sg_dma_address(sg);
+		avail = sg_dma_len(sgl);
+
+		do {
+			len = min_t(size_t, avail, PDMA_MAX_DESC_BYTES);
+
+			/* allocate and populate the descriptor */
+			new = mmp_pdma_alloc_descriptor(chan);
+			if (!new) {
+				dev_err(chan->dev, "no memory for desc\n");
+				goto fail;
+			}
+
+			new->desc.dcmd = chan->dcmd | (DCMD_LENGTH & len);
+			if (dir == DMA_MEM_TO_DEV) {
+				new->desc.dsadr = addr;
+				new->desc.dtadr = chan->dev_addr;
+			} else {
+				new->desc.dsadr = chan->dev_addr;
+				new->desc.dtadr = addr;
+			}
+
+			if (!first)
+				first = new;
+			else
+				prev->desc.ddadr = new->async_tx.phys;
+
+			new->async_tx.cookie = 0;
+			async_tx_ack(&new->async_tx);
+			prev = new;
+
+			/* Insert the link descriptor to the LD ring */
+			list_add_tail(&new->node, &first->tx_list);
+
+			/* update metadata */
+			addr += len;
+			avail -= len;
+		} while (avail);
+	}
+
+	first->async_tx.cookie = -EBUSY;
+	first->async_tx.flags = flags;
+
+	/* last desc and fire IRQ */
+	new->desc.ddadr = DDADR_STOP;
+	new->desc.dcmd |= DCMD_ENDIRQEN;
+
+	return &first->async_tx;
+
+fail:
+	if (first)
+		mmp_pdma_free_desc_list(chan, &first->tx_list);
+	return NULL;
+}
+
+static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd,
+		unsigned long arg)
+{
+	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan);
+	struct dma_slave_config *cfg = (void *)arg;
+	unsigned long flags;
+	int ret = 0;
+	u32 maxburst = 0, addr = 0;
+	enum dma_slave_buswidth width = DMA_SLAVE_BUSWIDTH_UNDEFINED;
+
+	if (!dchan)
+		return -EINVAL;
+
+	switch (cmd) {
+	case DMA_TERMINATE_ALL:
+		disable_chan(chan->phy);
+		if (chan->phy) {
+			chan->phy->vchan = NULL;
+			chan->phy = NULL;
+		}
+		spin_lock_irqsave(&chan->desc_lock, flags);
+		mmp_pdma_free_desc_list(chan, &chan->chain_pending);
+		mmp_pdma_free_desc_list(chan, &chan->chain_running);
+		spin_unlock_irqrestore(&chan->desc_lock, flags);
+		chan->idle = true;
+		break;
+	case DMA_SLAVE_CONFIG:
+		if (cfg->direction == DMA_DEV_TO_MEM) {
+			chan->dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC;
+			maxburst = cfg->src_maxburst;
+			width = cfg->src_addr_width;
+			addr = cfg->src_addr;
+		} else if (cfg->direction == DMA_MEM_TO_DEV) {
+			chan->dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG;
+			maxburst = cfg->dst_maxburst;
+			width = cfg->dst_addr_width;
+			addr = cfg->dst_addr;
+		}
+
+		if (width == DMA_SLAVE_BUSWIDTH_1_BYTE)
+			chan->dcmd |= DCMD_WIDTH1;
+		else if (width == DMA_SLAVE_BUSWIDTH_2_BYTES)
+			chan->dcmd |= DCMD_WIDTH2;
+		else if (width == DMA_SLAVE_BUSWIDTH_4_BYTES)
+			chan->dcmd |= DCMD_WIDTH4;
+
+		if (maxburst == 8)
+			chan->dcmd |= DCMD_BURST8;
+		else if (maxburst == 16)
+			chan->dcmd |= DCMD_BURST16;
+		else if (maxburst == 32)
+			chan->dcmd |= DCMD_BURST32;
+
+		if (cfg) {
+			chan->dir = cfg->direction;
+			chan->drcmr = cfg->slave_id;
+		}
+		chan->dev_addr = addr;
+		break;
+	default:
+		return -ENOSYS;
+	}
+
+	return ret;
+}
+
+static enum dma_status mmp_pdma_tx_status(struct dma_chan *dchan,
+			dma_cookie_t cookie, struct dma_tx_state *txstate)
+{
+	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan);
+	enum dma_status ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&chan->desc_lock, flags);
+	ret = dma_cookie_status(dchan, cookie, txstate);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
+
+	return ret;
+}
+
+/**
+ * mmp_pdma_issue_pending - Issue the DMA start command
+ * pending list ==> running list
+ */
+static void mmp_pdma_issue_pending(struct dma_chan *dchan)
+{
+	struct mmp_pdma_chan *chan = to_mmp_pdma_chan(dchan);
+	unsigned long flags;
+
+	spin_lock_irqsave(&chan->desc_lock, flags);
+	start_pending_queue(chan);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
+}
+
+/*
+ * dma_do_tasklet
+ * Do call back
+ * Start pending list
+ */
+static void dma_do_tasklet(unsigned long data)
+{
+	struct mmp_pdma_chan *chan = (struct mmp_pdma_chan *)data;
+	struct mmp_pdma_desc_sw *desc, *_desc;
+	LIST_HEAD(chain_cleanup);
+	unsigned long flags;
+
+	/* submit pending list; callback for each desc; free desc */
+
+	spin_lock_irqsave(&chan->desc_lock, flags);
+
+	/* update the cookie if we have some descriptors to cleanup */
+	if (!list_empty(&chan->chain_running)) {
+		dma_cookie_t cookie;
+
+		desc = to_mmp_pdma_desc(chan->chain_running.prev);
+		cookie = desc->async_tx.cookie;
+		dma_cookie_complete(&desc->async_tx);
+
+		dev_dbg(chan->dev, "completed_cookie=%d\n", cookie);
+	}
+
+	/*
+	 * move the descriptors to a temporary list so we can drop the lock
+	 * during the entire cleanup operation
+	 */
+	list_splice_tail_init(&chan->chain_running, &chain_cleanup);
+
+	/* the hardware is now idle and ready for more */
+	chan->idle = true;
+
+	/* Start any pending transactions automatically */
+	start_pending_queue(chan);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
+
+	/* Run the callback for each descriptor, in order */
+	list_for_each_entry_safe(desc, _desc, &chain_cleanup, node) {
+		struct dma_async_tx_descriptor *txd = &desc->async_tx;
+
+		/* Remove from the list of transactions */
+		list_del(&desc->node);
+		/* Run the link descriptor callback function */
+		if (txd->callback)
+			txd->callback(txd->callback_param);
+
+		dma_pool_free(chan->desc_pool, desc, txd->phys);
+	}
+}
+
+static int __devexit mmp_pdma_remove(struct platform_device *op)
+{
+	struct mmp_pdma_device *pdev = platform_get_drvdata(op);
+
+	dma_async_device_unregister(&pdev->device);
+	return 0;
+}
+
+static int __devinit mmp_pdma_chan_init(struct mmp_pdma_device *pdev,
+							int idx, int irq)
+{
+	struct mmp_pdma_phy *phy  = &pdev->phy[idx];
+	struct mmp_pdma_chan *chan;
+	int ret;
+
+	chan = devm_kzalloc(pdev->dev,
+			sizeof(struct mmp_pdma_chan), GFP_KERNEL);
+	if (chan == NULL)
+		return -ENOMEM;
+
+	phy->idx = idx;
+	phy->base = pdev->base;
+
+	if (irq) {
+		ret = devm_request_irq(pdev->dev, irq,
+			mmp_pdma_chan_handler, IRQF_DISABLED, "pdma", phy);
+		if (ret) {
+			dev_err(pdev->dev, "channel request irq fail!\n");
+			return ret;
+		}
+	}
+
+	spin_lock_init(&chan->desc_lock);
+	chan->dev = pdev->dev;
+	chan->chan.device = &pdev->device;
+	tasklet_init(&chan->tasklet, dma_do_tasklet, (unsigned long)chan);
+	INIT_LIST_HEAD(&chan->chain_pending);
+	INIT_LIST_HEAD(&chan->chain_running);
+
+	/* register virt channel to dma engine */
+	list_add_tail(&chan->chan.device_node,
+			&pdev->device.channels);
+
+	return 0;
+}
+
+static struct of_device_id mmp_pdma_dt_ids[] = {
+	{ .compatible = "marvell,pdma-1.0", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, mmp_pdma_dt_ids);
+
+static int __devinit mmp_pdma_probe(struct platform_device *op)
+{
+	struct mmp_pdma_device *pdev;
+	const struct of_device_id *of_id;
+	struct mmp_dma_platdata *pdata = dev_get_platdata(&op->dev);
+	struct resource *iores;
+	int i, ret, irq = 0;
+	int dma_channels = 0, irq_num = 0;
+
+	pdev = devm_kzalloc(&op->dev, sizeof(*pdev), GFP_KERNEL);
+	if (!pdev)
+		return -ENOMEM;
+	pdev->dev = &op->dev;
+
+	iores = platform_get_resource(op, IORESOURCE_MEM, 0);
+	if (!iores)
+		return -EINVAL;
+
+	pdev->base = devm_request_and_ioremap(pdev->dev, iores);
+	if (!pdev->base)
+		return -EADDRNOTAVAIL;
+
+	of_id = of_match_device(mmp_pdma_dt_ids, pdev->dev);
+	if (of_id)
+		of_property_read_u32(pdev->dev->of_node,
+				"#dma-channels", &dma_channels);
+	else if (pdata && pdata->dma_channels)
+		dma_channels = pdata->dma_channels;
+	else
+		dma_channels = 32;	/* default 32 channel */
+	pdev->dma_channels = dma_channels;
+
+	for (i = 0; i < dma_channels; i++) {
+		if (platform_get_irq(op, i) > 0)
+			irq_num++;
+	}
+
+	pdev->phy = devm_kzalloc(pdev->dev,
+		dma_channels * sizeof(struct mmp_pdma_chan), GFP_KERNEL);
+	if (pdev->phy == NULL)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&pdev->device.channels);
+
+	if (irq_num != dma_channels) {
+		/* all chan share one irq, demux inside */
+		irq = platform_get_irq(op, 0);
+		ret = devm_request_irq(pdev->dev, irq,
+			mmp_pdma_int_handler, IRQF_DISABLED, "pdma", pdev);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; i < dma_channels; i++) {
+		irq = (irq_num != dma_channels) ? 0 : platform_get_irq(op, i);
+		ret = mmp_pdma_chan_init(pdev, i, irq);
+		if (ret)
+			return ret;
+	}
+
+	dma_cap_set(DMA_SLAVE, pdev->device.cap_mask);
+	dma_cap_set(DMA_MEMCPY, pdev->device.cap_mask);
+	dma_cap_set(DMA_SLAVE, pdev->device.cap_mask);
+	pdev->device.dev = &op->dev;
+	pdev->device.device_alloc_chan_resources = mmp_pdma_alloc_chan_resources;
+	pdev->device.device_free_chan_resources = mmp_pdma_free_chan_resources;
+	pdev->device.device_tx_status = mmp_pdma_tx_status;
+	pdev->device.device_prep_dma_memcpy = mmp_pdma_prep_memcpy;
+	pdev->device.device_prep_slave_sg = mmp_pdma_prep_slave_sg;
+	pdev->device.device_issue_pending = mmp_pdma_issue_pending;
+	pdev->device.device_control = mmp_pdma_control;
+	pdev->device.copy_align = PDMA_ALIGNMENT;
+
+	if (pdev->dev->coherent_dma_mask)
+		dma_set_mask(pdev->dev, pdev->dev->coherent_dma_mask);
+	else
+		dma_set_mask(pdev->dev, DMA_BIT_MASK(64));
+
+	ret = dma_async_device_register(&pdev->device);
+	if (ret) {
+		dev_err(pdev->device.dev, "unable to register\n");
+		return ret;
+	}
+
+	dev_info(pdev->device.dev, "initialized\n");
+	return 0;
+}
+
+static const struct platform_device_id mmp_pdma_id_table[] = {
+	{ "mmp-pdma", },
+	{ },
+};
+
+static struct platform_driver mmp_pdma_driver = {
+	.driver		= {
+		.name	= "mmp-pdma",
+		.owner  = THIS_MODULE,
+		.of_match_table = mmp_pdma_dt_ids,
+	},
+	.id_table	= mmp_pdma_id_table,
+	.probe		= mmp_pdma_probe,
+	.remove		= __devexit_p(mmp_pdma_remove),
+};
+
+module_platform_driver(mmp_pdma_driver);
+
+MODULE_DESCRIPTION("MARVELL MMP Periphera DMA Driver");
+MODULE_AUTHOR("Marvell International Ltd.");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 6d9c82e891d..f3e8d71bcbc 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -20,6 +20,7 @@
 #include <linux/device.h>
 #include <mach/regs-icu.h>
 #include <linux/platform_data/dma-mmp_tdma.h>
+#include <linux/of_device.h>
 
 #include "dmaengine.h"
 
@@ -127,7 +128,6 @@ struct mmp_tdma_device {
 	void __iomem			*base;
 	struct dma_device		device;
 	struct mmp_tdma_chan		*tdmac[TDMA_CHANNEL_NUM];
-	int				irq;
 };
 
 #define to_mmp_tdma_chan(dchan) container_of(dchan, struct mmp_tdma_chan, chan)
@@ -492,7 +492,7 @@ static int __devinit mmp_tdma_chan_init(struct mmp_tdma_device *tdev,
 		return -ENOMEM;
 	}
 	if (irq)
-		tdmac->irq = irq + idx;
+		tdmac->irq = irq;
 	tdmac->dev	   = tdev->dev;
 	tdmac->chan.device = &tdev->device;
 	tdmac->idx	   = idx;
@@ -505,34 +505,43 @@ static int __devinit mmp_tdma_chan_init(struct mmp_tdma_device *tdev,
 	/* add the channel to tdma_chan list */
 	list_add_tail(&tdmac->chan.device_node,
 			&tdev->device.channels);
-
 	return 0;
 }
 
+static struct of_device_id mmp_tdma_dt_ids[] = {
+	{ .compatible = "marvell,adma-1.0", .data = (void *)MMP_AUD_TDMA},
+	{ .compatible = "marvell,pxa910-squ", .data = (void *)PXA910_SQU},
+	{}
+};
+MODULE_DEVICE_TABLE(of, mmp_tdma_dt_ids);
+
 static int __devinit mmp_tdma_probe(struct platform_device *pdev)
 {
-	const struct platform_device_id *id = platform_get_device_id(pdev);
-	enum mmp_tdma_type type = id->driver_data;
+	enum mmp_tdma_type type;
+	const struct of_device_id *of_id;
 	struct mmp_tdma_device *tdev;
 	struct resource *iores;
 	int i, ret;
-	int irq = 0;
+	int irq = 0, irq_num = 0;
 	int chan_num = TDMA_CHANNEL_NUM;
 
+	of_id = of_match_device(mmp_tdma_dt_ids, &pdev->dev);
+	if (of_id)
+		type = (enum mmp_tdma_type) of_id->data;
+	else
+		type = platform_get_device_id(pdev)->driver_data;
+
 	/* always have couple channels */
 	tdev = devm_kzalloc(&pdev->dev, sizeof(*tdev), GFP_KERNEL);
 	if (!tdev)
 		return -ENOMEM;
 
 	tdev->dev = &pdev->dev;
-	iores = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!iores)
-		return -EINVAL;
 
-	if (resource_size(iores) != chan_num)
-		tdev->irq = iores->start;
-	else
-		irq = iores->start;
+	for (i = 0; i < chan_num; i++) {
+		if (platform_get_irq(pdev, i) > 0)
+			irq_num++;
+	}
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!iores)
@@ -542,25 +551,26 @@ static int __devinit mmp_tdma_probe(struct platform_device *pdev)
 	if (!tdev->base)
 		return -EADDRNOTAVAIL;
 
-	if (tdev->irq) {
-		ret = devm_request_irq(&pdev->dev, tdev->irq,
+	INIT_LIST_HEAD(&tdev->device.channels);
+
+	if (irq_num != chan_num) {
+		irq = platform_get_irq(pdev, 0);
+		ret = devm_request_irq(&pdev->dev, irq,
 			mmp_tdma_int_handler, IRQF_DISABLED, "tdma", tdev);
 		if (ret)
 			return ret;
 	}
 
-	dma_cap_set(DMA_SLAVE, tdev->device.cap_mask);
-	dma_cap_set(DMA_CYCLIC, tdev->device.cap_mask);
-
-	INIT_LIST_HEAD(&tdev->device.channels);
-
 	/* initialize channel parameters */
 	for (i = 0; i < chan_num; i++) {
+		irq = (irq_num != chan_num) ? 0 : platform_get_irq(pdev, i);
 		ret = mmp_tdma_chan_init(tdev, i, irq, type);
 		if (ret)
 			return ret;
 	}
 
+	dma_cap_set(DMA_SLAVE, tdev->device.cap_mask);
+	dma_cap_set(DMA_CYCLIC, tdev->device.cap_mask);
 	tdev->device.dev = &pdev->dev;
 	tdev->device.device_alloc_chan_resources =
 					mmp_tdma_alloc_chan_resources;
@@ -595,6 +605,7 @@ static struct platform_driver mmp_tdma_driver = {
 	.driver		= {
 		.name	= "mmp-tdma",
 		.owner  = THIS_MODULE,
+		.of_match_table = mmp_tdma_dt_ids,
 	},
 	.id_table	= mmp_tdma_id_table,
 	.probe		= mmp_tdma_probe,
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 734a4eb84d6..9f02e794b12 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -101,7 +101,8 @@ struct mxs_dma_ccw {
 	u32		pio_words[MXS_PIO_WORDS];
 };
 
-#define NUM_CCW	(int)(PAGE_SIZE / sizeof(struct mxs_dma_ccw))
+#define CCW_BLOCK_SIZE	(4 * PAGE_SIZE)
+#define NUM_CCW	(int)(CCW_BLOCK_SIZE / sizeof(struct mxs_dma_ccw))
 
 struct mxs_dma_chan {
 	struct mxs_dma_engine		*mxs_dma;
@@ -354,14 +355,15 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan)
 
 	mxs_chan->chan_irq = data->chan_irq;
 
-	mxs_chan->ccw = dma_alloc_coherent(mxs_dma->dma_device.dev, PAGE_SIZE,
-				&mxs_chan->ccw_phys, GFP_KERNEL);
+	mxs_chan->ccw = dma_alloc_coherent(mxs_dma->dma_device.dev,
+				CCW_BLOCK_SIZE, &mxs_chan->ccw_phys,
+				GFP_KERNEL);
 	if (!mxs_chan->ccw) {
 		ret = -ENOMEM;
 		goto err_alloc;
 	}
 
-	memset(mxs_chan->ccw, 0, PAGE_SIZE);
+	memset(mxs_chan->ccw, 0, CCW_BLOCK_SIZE);
 
 	if (mxs_chan->chan_irq != NO_IRQ) {
 		ret = request_irq(mxs_chan->chan_irq, mxs_dma_int_handler,
@@ -387,7 +389,7 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan)
 err_clk:
 	free_irq(mxs_chan->chan_irq, mxs_dma);
 err_irq:
-	dma_free_coherent(mxs_dma->dma_device.dev, PAGE_SIZE,
+	dma_free_coherent(mxs_dma->dma_device.dev, CCW_BLOCK_SIZE,
 			mxs_chan->ccw, mxs_chan->ccw_phys);
 err_alloc:
 	return ret;
@@ -402,7 +404,7 @@ static void mxs_dma_free_chan_resources(struct dma_chan *chan)
 
 	free_irq(mxs_chan->chan_irq, mxs_dma);
 
-	dma_free_coherent(mxs_dma->dma_device.dev, PAGE_SIZE,
+	dma_free_coherent(mxs_dma->dma_device.dev, CCW_BLOCK_SIZE,
 			mxs_chan->ccw, mxs_chan->ccw_phys);
 
 	clk_disable_unprepare(mxs_dma->clk);
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 169c0dbd71a..665668b6f2b 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -23,7 +23,6 @@
 #include <linux/dmaengine.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl330.h>
-#include <linux/pm_runtime.h>
 #include <linux/scatterlist.h>
 #include <linux/of.h>
 
@@ -586,8 +585,6 @@ struct dma_pl330_dmac {
 
 	/* Peripheral channels connected to this DMAC */
 	struct dma_pl330_chan *peripherals; /* keep at end */
-
-	struct clk *clk;
 };
 
 struct dma_pl330_desc {
@@ -2395,7 +2392,7 @@ static int pl330_alloc_chan_resources(struct dma_chan *chan)
 	pch->pl330_chid = pl330_request_channel(&pdmac->pif);
 	if (!pch->pl330_chid) {
 		spin_unlock_irqrestore(&pch->lock, flags);
-		return 0;
+		return -ENOMEM;
 	}
 
 	tasklet_init(&pch->task, pl330_tasklet, (unsigned long) pch);
@@ -2889,29 +2886,17 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 		goto probe_err1;
 	}
 
-	pdmac->clk = clk_get(&adev->dev, "dma");
-	if (IS_ERR(pdmac->clk)) {
-		dev_err(&adev->dev, "Cannot get operation clock.\n");
-		ret = -EINVAL;
-		goto probe_err2;
-	}
-
 	amba_set_drvdata(adev, pdmac);
 
-#ifndef CONFIG_PM_RUNTIME
-	/* enable dma clk */
-	clk_enable(pdmac->clk);
-#endif
-
 	irq = adev->irq[0];
 	ret = request_irq(irq, pl330_irq_handler, 0,
 			dev_name(&adev->dev), pi);
 	if (ret)
-		goto probe_err3;
+		goto probe_err2;
 
 	ret = pl330_add(pi);
 	if (ret)
-		goto probe_err4;
+		goto probe_err3;
 
 	INIT_LIST_HEAD(&pdmac->desc_pool);
 	spin_lock_init(&pdmac->pool_lock);
@@ -2933,7 +2918,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 	if (!pdmac->peripherals) {
 		ret = -ENOMEM;
 		dev_err(&adev->dev, "unable to allocate pdmac->peripherals\n");
-		goto probe_err5;
+		goto probe_err4;
 	}
 
 	for (i = 0; i < num_chan; i++) {
@@ -2961,6 +2946,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 		if (pi->pcfg.num_peri) {
 			dma_cap_set(DMA_SLAVE, pd->cap_mask);
 			dma_cap_set(DMA_CYCLIC, pd->cap_mask);
+			dma_cap_set(DMA_PRIVATE, pd->cap_mask);
 		}
 	}
 
@@ -2976,7 +2962,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 	ret = dma_async_device_register(pd);
 	if (ret) {
 		dev_err(&adev->dev, "unable to register DMAC\n");
-		goto probe_err5;
+		goto probe_err4;
 	}
 
 	dev_info(&adev->dev,
@@ -2989,15 +2975,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 
 	return 0;
 
-probe_err5:
-	pl330_del(pi);
 probe_err4:
-	free_irq(irq, pi);
+	pl330_del(pi);
 probe_err3:
-#ifndef CONFIG_PM_RUNTIME
-	clk_disable(pdmac->clk);
-#endif
-	clk_put(pdmac->clk);
+	free_irq(irq, pi);
 probe_err2:
 	iounmap(pi->base);
 probe_err1:
@@ -3044,10 +3025,6 @@ static int __devexit pl330_remove(struct amba_device *adev)
 	res = &adev->res;
 	release_mem_region(res->start, resource_size(res));
 
-#ifndef CONFIG_PM_RUNTIME
-	clk_disable(pdmac->clk);
-#endif
-
 	kfree(pdmac);
 
 	return 0;
@@ -3063,49 +3040,10 @@ static struct amba_id pl330_ids[] = {
 
 MODULE_DEVICE_TABLE(amba, pl330_ids);
 
-#ifdef CONFIG_PM_RUNTIME
-static int pl330_runtime_suspend(struct device *dev)
-{
-	struct dma_pl330_dmac *pdmac = dev_get_drvdata(dev);
-
-	if (!pdmac) {
-		dev_err(dev, "failed to get dmac\n");
-		return -ENODEV;
-	}
-
-	clk_disable(pdmac->clk);
-
-	return 0;
-}
-
-static int pl330_runtime_resume(struct device *dev)
-{
-	struct dma_pl330_dmac *pdmac = dev_get_drvdata(dev);
-
-	if (!pdmac) {
-		dev_err(dev, "failed to get dmac\n");
-		return -ENODEV;
-	}
-
-	clk_enable(pdmac->clk);
-
-	return 0;
-}
-#else
-#define pl330_runtime_suspend	NULL
-#define pl330_runtime_resume	NULL
-#endif /* CONFIG_PM_RUNTIME */
-
-static const struct dev_pm_ops pl330_pm_ops = {
-	.runtime_suspend = pl330_runtime_suspend,
-	.runtime_resume = pl330_runtime_resume,
-};
-
 static struct amba_driver pl330_driver = {
 	.drv = {
 		.owner = THIS_MODULE,
 		.name = "dma-pl330",
-		.pm = &pl330_pm_ops,
 	},
 	.id_table = pl330_ids,
 	.probe = pl330_probe,
diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index 3eed8b35b0f..d451caace80 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -109,7 +109,7 @@ static void sirfsoc_dma_execute(struct sirfsoc_dma_chan *schan)
 	sdesc = list_first_entry(&schan->queued, struct sirfsoc_dma_desc,
 		node);
 	/* Move the first queued descriptor to active list */
-	list_move_tail(&schan->queued, &schan->active);
+	list_move_tail(&sdesc->node, &schan->active);
 
 	/* Start the DMA transfer */
 	writel_relaxed(sdesc->width, sdma->base + SIRFSOC_DMA_WIDTH_0 +
@@ -428,7 +428,7 @@ static struct dma_async_tx_descriptor *sirfsoc_dma_prep_interleaved(
 	unsigned long iflags;
 	int ret;
 
-	if ((xt->dir != DMA_MEM_TO_DEV) || (xt->dir != DMA_DEV_TO_MEM)) {
+	if ((xt->dir != DMA_MEM_TO_DEV) && (xt->dir != DMA_DEV_TO_MEM)) {
 		ret = -EINVAL;
 		goto err_dir;
 	}
@@ -570,21 +570,19 @@ static int __devinit sirfsoc_dma_probe(struct platform_device *op)
 
 	if (of_property_read_u32(dn, "cell-index", &id)) {
 		dev_err(dev, "Fail to get DMAC index\n");
-		ret = -ENODEV;
-		goto free_mem;
+		return -ENODEV;
 	}
 
 	sdma->irq = irq_of_parse_and_map(dn, 0);
 	if (sdma->irq == NO_IRQ) {
 		dev_err(dev, "Error mapping IRQ!\n");
-		ret = -EINVAL;
-		goto free_mem;
+		return -EINVAL;
 	}
 
 	ret = of_address_to_resource(dn, 0, &res);
 	if (ret) {
 		dev_err(dev, "Error parsing memory region!\n");
-		goto free_mem;
+		goto irq_dispose;
 	}
 
 	regs_start = res.start;
@@ -597,12 +595,11 @@ static int __devinit sirfsoc_dma_probe(struct platform_device *op)
 		goto irq_dispose;
 	}
 
-	ret = devm_request_irq(dev, sdma->irq, &sirfsoc_dma_irq, 0, DRV_NAME,
-		sdma);
+	ret = request_irq(sdma->irq, &sirfsoc_dma_irq, 0, DRV_NAME, sdma);
 	if (ret) {
 		dev_err(dev, "Error requesting IRQ!\n");
 		ret = -EINVAL;
-		goto unmap_mem;
+		goto irq_dispose;
 	}
 
 	dma = &sdma->dma;
@@ -652,13 +649,9 @@ static int __devinit sirfsoc_dma_probe(struct platform_device *op)
 	return 0;
 
 free_irq:
-	devm_free_irq(dev, sdma->irq, sdma);
+	free_irq(sdma->irq, sdma);
 irq_dispose:
 	irq_dispose_mapping(sdma->irq);
-unmap_mem:
-	iounmap(sdma->base);
-free_mem:
-	devm_kfree(dev, sdma);
 	return ret;
 }
 
@@ -668,10 +661,8 @@ static int __devexit sirfsoc_dma_remove(struct platform_device *op)
 	struct sirfsoc_dma *sdma = dev_get_drvdata(dev);
 
 	dma_async_device_unregister(&sdma->dma);
-	devm_free_irq(dev, sdma->irq, sdma);
+	free_irq(sdma->irq, sdma);
 	irq_dispose_mapping(sdma->irq);
-	iounmap(sdma->base);
-	devm_kfree(dev, sdma);
 	return 0;
 }
 
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index eee8d9b9a20..ae55091c227 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2921,19 +2921,23 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 	struct d40_base *base = NULL;
 	int num_log_chans = 0;
 	int num_phy_chans;
+	int clk_ret = -EINVAL;
 	int i;
 	u32 pid;
 	u32 cid;
 	u8 rev;
 
 	clk = clk_get(&pdev->dev, NULL);
-
 	if (IS_ERR(clk)) {
 		d40_err(&pdev->dev, "No matching clock found\n");
 		goto failure;
 	}
 
-	clk_enable(clk);
+	clk_ret = clk_prepare_enable(clk);
+	if (clk_ret) {
+		d40_err(&pdev->dev, "Failed to prepare/enable clock\n");
+		goto failure;
+	}
 
 	/* Get IO for DMAC base address */
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "base");
@@ -3063,10 +3067,10 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 	return base;
 
 failure:
-	if (!IS_ERR(clk)) {
-		clk_disable(clk);
+	if (!clk_ret)
+		clk_disable_unprepare(clk);
+	if (!IS_ERR(clk))
 		clk_put(clk);
-	}
 	if (virtbase)
 		iounmap(virtbase);
 	if (res)
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 45fbeed1c1a..528c62dd4b0 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -169,6 +169,7 @@ typedef void (*dma_isr_handler)(struct tegra_dma_channel *tdc,
 /* tegra_dma_channel: Channel specific information */
 struct tegra_dma_channel {
 	struct dma_chan		dma_chan;
+	char			name[30];
 	bool			config_init;
 	int			id;
 	int			irq;
@@ -475,8 +476,7 @@ static void tegra_dma_abort_all(struct tegra_dma_channel *tdc)
 	while (!list_empty(&tdc->pending_sg_req)) {
 		sgreq = list_first_entry(&tdc->pending_sg_req,
 						typeof(*sgreq), node);
-		list_del(&sgreq->node);
-		list_add_tail(&sgreq->node, &tdc->free_sg_req);
+		list_move_tail(&sgreq->node, &tdc->free_sg_req);
 		if (sgreq->last_sg) {
 			dma_desc = sgreq->dma_desc;
 			dma_desc->dma_status = DMA_ERROR;
@@ -570,8 +570,7 @@ static void handle_cont_sngl_cycle_dma_done(struct tegra_dma_channel *tdc,
 
 	/* If not last req then put at end of pending list */
 	if (!list_is_last(&sgreq->node, &tdc->pending_sg_req)) {
-		list_del(&sgreq->node);
-		list_add_tail(&sgreq->node, &tdc->pending_sg_req);
+		list_move_tail(&sgreq->node, &tdc->pending_sg_req);
 		sgreq->configured = false;
 		st = handle_continuous_head_request(tdc, sgreq, to_terminate);
 		if (!st)
@@ -1284,7 +1283,6 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev)
 	INIT_LIST_HEAD(&tdma->dma_dev.channels);
 	for (i = 0; i < cdata->nr_channels; i++) {
 		struct tegra_dma_channel *tdc = &tdma->channels[i];
-		char irq_name[30];
 
 		tdc->chan_base_offset = TEGRA_APBDMA_CHANNEL_BASE_ADD_OFFSET +
 					i * TEGRA_APBDMA_CHANNEL_REGISTER_SIZE;
@@ -1296,9 +1294,9 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev)
 			goto err_irq;
 		}
 		tdc->irq = res->start;
-		snprintf(irq_name, sizeof(irq_name), "apbdma.%d", i);
+		snprintf(tdc->name, sizeof(tdc->name), "apbdma.%d", i);
 		ret = devm_request_irq(&pdev->dev, tdc->irq,
-				tegra_dma_isr, 0, irq_name, tdc);
+				tegra_dma_isr, 0, tdc->name, tdc);
 		if (ret) {
 			dev_err(&pdev->dev,
 				"request_irq failed with err %d channel %d\n",
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 5a297a26211..cc8e7c78a23 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -170,8 +170,11 @@ static int __amd64_set_scrub_rate(struct pci_dev *ctl, u32 new_bw, u32 min_rate)
 	 * memory controller and apply to register. Search for the first
 	 * bandwidth entry that is greater or equal than the setting requested
 	 * and program that. If at last entry, turn off DRAM scrubbing.
+	 *
+	 * If no suitable bandwidth is found, turn off DRAM scrubbing entirely
+	 * by falling back to the last element in scrubrates[].
 	 */
-	for (i = 0; i < ARRAY_SIZE(scrubrates); i++) {
+	for (i = 0; i < ARRAY_SIZE(scrubrates) - 1; i++) {
 		/*
 		 * skip scrub rates which aren't recommended
 		 * (see F10 BKDG, F3x58)
@@ -181,12 +184,6 @@ static int __amd64_set_scrub_rate(struct pci_dev *ctl, u32 new_bw, u32 min_rate)
 
 		if (scrubrates[i].bandwidth <= new_bw)
 			break;
-
-		/*
-		 * if no suitable bandwidth found, turn off DRAM scrubbing
-		 * entirely by falling back to the last element in the
-		 * scrubrates array.
-		 */
 	}
 
 	scrubval = scrubrates[i].scrubval;
diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
index 725eb5aa8d8..e87196f6d2d 100644
--- a/drivers/extcon/extcon-adc-jack.c
+++ b/drivers/extcon/extcon-adc-jack.c
@@ -14,6 +14,7 @@
  *
  */
 
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
@@ -161,13 +162,12 @@ static int __devinit adc_jack_probe(struct platform_device *pdev)
 	err = request_any_context_irq(data->irq, adc_jack_irq_thread,
 			pdata->irq_flags, pdata->name, data);
 
-	if (err) {
+	if (err < 0) {
 		dev_err(&pdev->dev, "error: irq %d\n", data->irq);
-		err = -EINVAL;
 		goto err_irq;
 	}
 
-	goto out;
+	return 0;
 
 err_irq:
 	extcon_dev_unregister(&data->edev);
@@ -196,3 +196,7 @@ static struct platform_driver adc_jack_driver = {
 };
 
 module_platform_driver(adc_jack_driver);
+
+MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
+MODULE_DESCRIPTION("ADC Jack extcon driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
index 946a3188b2b..d398821097f 100644
--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@@ -41,7 +41,7 @@
  * every single port-type of the following cable names. Please choose cable
  * names that are actually used in your extcon device.
  */
-const char *extcon_cable_name[] = {
+const char extcon_cable_name[][CABLE_NAME_MAX + 1] = {
 	[EXTCON_USB]		= "USB",
 	[EXTCON_USB_HOST]	= "USB-Host",
 	[EXTCON_TA]		= "TA",
@@ -62,8 +62,6 @@ const char *extcon_cable_name[] = {
 	[EXTCON_VIDEO_IN]	= "Video-in",
 	[EXTCON_VIDEO_OUT]	= "Video-out",
 	[EXTCON_MECHANICAL]	= "Mechanical",
-
-	NULL,
 };
 
 static struct class *extcon_class;
@@ -91,17 +89,13 @@ static int check_mutually_exclusive(struct extcon_dev *edev, u32 new_state)
 		return 0;
 
 	for (i = 0; edev->mutually_exclusive[i]; i++) {
-		int count = 0, j;
+		int weight;
 		u32 correspondants = new_state & edev->mutually_exclusive[i];
-		u32 exp = 1;
-
-		for (j = 0; j < 32; j++) {
-			if (exp & correspondants)
-				count++;
-			if (count > 1)
-				return i + 1;
-			exp <<= 1;
-		}
+
+		/* calculate the total number of bits set */
+		weight = hweight32(correspondants);
+		if (weight > 1)
+			return i + 1;
 	}
 
 	return 0;
@@ -362,7 +356,7 @@ int extcon_get_cable_state(struct extcon_dev *edev, const char *cable_name)
 EXPORT_SYMBOL_GPL(extcon_get_cable_state);
 
 /**
- * extcon_get_cable_state_() - Set the status of a specific cable.
+ * extcon_set_cable_state_() - Set the status of a specific cable.
  * @edev:	the extcon device that has the cable.
  * @index:	cable index that can be retrieved by extcon_find_cable_index().
  * @cable_state:	the new cable status. The default semantics is
@@ -382,7 +376,7 @@ int extcon_set_cable_state_(struct extcon_dev *edev,
 EXPORT_SYMBOL_GPL(extcon_set_cable_state_);
 
 /**
- * extcon_get_cable_state() - Set the status of a specific cable.
+ * extcon_set_cable_state() - Set the status of a specific cable.
  * @edev:	the extcon device that has the cable.
  * @cable_name:	cable name.
  * @cable_state:	the new cable status. The default semantics is
@@ -447,6 +441,8 @@ static int _call_per_cable(struct notifier_block *nb, unsigned long val,
  *			      extcon device.
  * @obj:	an empty extcon_specific_cable_nb object to be returned.
  * @extcon_name:	the name of extcon device.
+ *			if NULL, extcon_register_interest will register
+ *			every cable with the target cable_name given.
  * @cable_name:		the target cable name.
  * @nb:		the notifier block to get notified.
  *
@@ -466,22 +462,44 @@ int extcon_register_interest(struct extcon_specific_cable_nb *obj,
 			     const char *extcon_name, const char *cable_name,
 			     struct notifier_block *nb)
 {
-	if (!obj || !extcon_name || !cable_name || !nb)
+	if (!obj || !cable_name || !nb)
 		return -EINVAL;
 
-	obj->edev = extcon_get_extcon_dev(extcon_name);
-	if (!obj->edev)
-		return -ENODEV;
+	if (extcon_name) {
+		obj->edev = extcon_get_extcon_dev(extcon_name);
+		if (!obj->edev)
+			return -ENODEV;
 
-	obj->cable_index = extcon_find_cable_index(obj->edev, cable_name);
-	if (obj->cable_index < 0)
-		return -ENODEV;
+		obj->cable_index = extcon_find_cable_index(obj->edev, cable_name);
+		if (obj->cable_index < 0)
+			return -ENODEV;
+
+		obj->user_nb = nb;
 
-	obj->user_nb = nb;
+		obj->internal_nb.notifier_call = _call_per_cable;
 
-	obj->internal_nb.notifier_call = _call_per_cable;
+		return raw_notifier_chain_register(&obj->edev->nh, &obj->internal_nb);
+	} else {
+		struct class_dev_iter iter;
+		struct extcon_dev *extd;
+		struct device *dev;
+
+		if (!extcon_class)
+			return -ENODEV;
+		class_dev_iter_init(&iter, extcon_class, NULL, NULL);
+		while ((dev = class_dev_iter_next(&iter))) {
+			extd = (struct extcon_dev *)dev_get_drvdata(dev);
+
+			if (extcon_find_cable_index(extd, cable_name) < 0)
+				continue;
+
+			class_dev_iter_exit(&iter);
+			return extcon_register_interest(obj, extd->name,
+						cable_name, nb);
+		}
 
-	return raw_notifier_chain_register(&obj->edev->nh, &obj->internal_nb);
+		return -ENODEV;
+	}
 }
 
 /**
@@ -551,43 +569,9 @@ static int create_extcon_class(void)
 	return 0;
 }
 
-static void extcon_cleanup(struct extcon_dev *edev, bool skip)
-{
-	mutex_lock(&extcon_dev_list_lock);
-	list_del(&edev->entry);
-	mutex_unlock(&extcon_dev_list_lock);
-
-	if (!skip && get_device(edev->dev)) {
-		int index;
-
-		if (edev->mutually_exclusive && edev->max_supported) {
-			for (index = 0; edev->mutually_exclusive[index];
-			     index++)
-				kfree(edev->d_attrs_muex[index].attr.name);
-			kfree(edev->d_attrs_muex);
-			kfree(edev->attrs_muex);
-		}
-
-		for (index = 0; index < edev->max_supported; index++)
-			kfree(edev->cables[index].attr_g.name);
-
-		if (edev->max_supported) {
-			kfree(edev->extcon_dev_type.groups);
-			kfree(edev->cables);
-		}
-
-		device_unregister(edev->dev);
-		put_device(edev->dev);
-	}
-
-	kfree(edev->dev);
-}
-
 static void extcon_dev_release(struct device *dev)
 {
-	struct extcon_dev *edev = (struct extcon_dev *) dev_get_drvdata(dev);
-
-	extcon_cleanup(edev, true);
+	kfree(dev);
 }
 
 static const char *muex_name = "mutually_exclusive";
@@ -813,7 +797,40 @@ EXPORT_SYMBOL_GPL(extcon_dev_register);
  */
 void extcon_dev_unregister(struct extcon_dev *edev)
 {
-	extcon_cleanup(edev, false);
+	int index;
+
+	mutex_lock(&extcon_dev_list_lock);
+	list_del(&edev->entry);
+	mutex_unlock(&extcon_dev_list_lock);
+
+	if (IS_ERR_OR_NULL(get_device(edev->dev))) {
+		dev_err(edev->dev, "Failed to unregister extcon_dev (%s)\n",
+				dev_name(edev->dev));
+		return;
+	}
+
+	if (edev->mutually_exclusive && edev->max_supported) {
+		for (index = 0; edev->mutually_exclusive[index];
+				index++)
+			kfree(edev->d_attrs_muex[index].attr.name);
+		kfree(edev->d_attrs_muex);
+		kfree(edev->attrs_muex);
+	}
+
+	for (index = 0; index < edev->max_supported; index++)
+		kfree(edev->cables[index].attr_g.name);
+
+	if (edev->max_supported) {
+		kfree(edev->extcon_dev_type.groups);
+		kfree(edev->cables);
+	}
+
+#if defined(CONFIG_ANDROID)
+	if (switch_class)
+		class_compat_remove_link(switch_class, edev->dev, NULL);
+#endif
+	device_unregister(edev->dev);
+	put_device(edev->dev);
 }
 EXPORT_SYMBOL_GPL(extcon_dev_unregister);
 
@@ -825,6 +842,9 @@ module_init(extcon_class_init);
 
 static void __exit extcon_class_exit(void)
 {
+#if defined(CONFIG_ANDROID)
+	class_compat_unregister(switch_class);
+#endif
 	class_destroy(extcon_class);
 }
 module_exit(extcon_class_exit);
diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
index 3cc152e690b..71d3ab7b3d8 100644
--- a/drivers/extcon/extcon-gpio.c
+++ b/drivers/extcon/extcon-gpio.c
@@ -26,7 +26,6 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
-#include <linux/extcon.h>
 #include <linux/workqueue.h>
 #include <linux/gpio.h>
 #include <linux/extcon.h>
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index e21387e2da5..a17d0d91ada 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -239,25 +239,19 @@ const char *max77693_extcon_cable[] = {
 static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
 		enum max77693_muic_adc_debounce_time time)
 {
-	int ret = 0;
-	u8 ctrl3;
+	int ret;
 
 	switch (time) {
 	case ADC_DEBOUNCE_TIME_5MS:
 	case ADC_DEBOUNCE_TIME_10MS:
 	case ADC_DEBOUNCE_TIME_25MS:
 	case ADC_DEBOUNCE_TIME_38_62MS:
-		ret = max77693_read_reg(info->max77693->regmap_muic,
-				MAX77693_MUIC_REG_CTRL3, &ctrl3);
-		ctrl3 &= ~CONTROL3_ADCDBSET_MASK;
-		ctrl3 |= (time << CONTROL3_ADCDBSET_SHIFT);
-
-		ret = max77693_write_reg(info->max77693->regmap_muic,
-				MAX77693_MUIC_REG_CTRL3, ctrl3);
-		if (ret) {
+		ret = max77693_update_reg(info->max77693->regmap_muic,
+					  MAX77693_MUIC_REG_CTRL3,
+					  time << CONTROL3_ADCDBSET_SHIFT,
+					  CONTROL3_ADCDBSET_MASK);
+		if (ret)
 			dev_err(info->dev, "failed to set ADC debounce time\n");
-			ret = -EINVAL;
-		}
 		break;
 	default:
 		dev_err(info->dev, "invalid ADC debounce time\n");
@@ -657,6 +651,8 @@ out:
 static int __devinit max77693_muic_probe(struct platform_device *pdev)
 {
 	struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent);
+	struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev);
+	struct max77693_muic_platform_data *muic_pdata = pdata->muic_data;
 	struct max77693_muic_info *info;
 	int ret, i;
 	u8 id;
@@ -727,6 +723,31 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev)
 		goto err_extcon;
 	}
 
+	/* Initialize MUIC register by using platform data */
+	for (i = 0 ; i < muic_pdata->num_init_data ; i++) {
+		enum max77693_irq_source irq_src = MAX77693_IRQ_GROUP_NR;
+
+		max77693_write_reg(info->max77693->regmap_muic,
+				muic_pdata->init_data[i].addr,
+				muic_pdata->init_data[i].data);
+
+		switch (muic_pdata->init_data[i].addr) {
+		case MAX77693_MUIC_REG_INTMASK1:
+			irq_src = MUIC_INT1;
+			break;
+		case MAX77693_MUIC_REG_INTMASK2:
+			irq_src = MUIC_INT2;
+			break;
+		case MAX77693_MUIC_REG_INTMASK3:
+			irq_src = MUIC_INT3;
+			break;
+		}
+
+		if (irq_src < MAX77693_IRQ_GROUP_NR)
+			info->max77693->irq_masks_cur[irq_src]
+				= muic_pdata->init_data[i].data;
+	}
+
 	/* Check revision number of MUIC device*/
 	ret = max77693_read_reg(info->max77693->regmap_muic,
 			MAX77693_MUIC_REG_ID, &id);
@@ -762,6 +783,7 @@ static int __devexit max77693_muic_remove(struct platform_device *pdev)
 		free_irq(muic_irqs[i].virq, info);
 	cancel_work_sync(&info->irq_work);
 	extcon_dev_unregister(info->edev);
+	kfree(info->edev);
 	kfree(info);
 
 	return 0;
diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index ef9090a4271..77b66b0cc8f 100644
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -271,8 +271,6 @@ out:
 static int max8997_muic_handle_charger_type_detach(
 				struct max8997_muic_info *info)
 {
-	int ret = 0;
-
 	switch (info->pre_charger_type) {
 	case MAX8997_CHARGER_TYPE_USB:
 		extcon_set_cable_state(info->edev, "USB", false);
@@ -290,11 +288,11 @@ static int max8997_muic_handle_charger_type_detach(
 		extcon_set_cable_state(info->edev, "Fast-charger", false);
 		break;
 	default:
-		ret = -EINVAL;
+		return -EINVAL;
 		break;
 	}
 
-	return ret;
+	return 0;
 }
 
 static int max8997_muic_handle_charger_type(struct max8997_muic_info *info,
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 2783f69dada..f8d22872d75 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -473,8 +473,8 @@ static int ioctl_get_info(struct client *client, union ioctl_arg *arg)
 	client->bus_reset_closure = a->bus_reset_closure;
 	if (a->bus_reset != 0) {
 		fill_bus_reset_event(&bus_reset, client);
-		ret = copy_to_user(u64_to_uptr(a->bus_reset),
-				   &bus_reset, sizeof(bus_reset));
+		/* unaligned size of bus_reset is 36 bytes */
+		ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36);
 	}
 	if (ret == 0 && list_empty(&client->link))
 		list_add_tail(&client->link, &client->device->client_list);
diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c
index c1cdc923666..90723e65b08 100644
--- a/drivers/firmware/memmap.c
+++ b/drivers/firmware/memmap.c
@@ -237,7 +237,7 @@ static ssize_t memmap_attr_show(struct kobject *kobj,
  * firmware_map_add() or firmware_map_add_early() afterwards, the entries
  * are not added to sysfs.
  */
-static int __init memmap_init(void)
+static int __init firmware_memmap_init(void)
 {
 	struct firmware_map_entry *entry;
 
@@ -246,5 +246,5 @@ static int __init memmap_init(void)
 
 	return 0;
 }
-late_initcall(memmap_init);
+late_initcall(firmware_memmap_init);
 
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index ed3e55161bd..f05e54258ff 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -153,7 +153,7 @@ static int __devinit gen_74x164_probe(struct spi_device *spi)
 	}
 
 	chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers;
-	chip->buffer = devm_kzalloc(&spi->dev, chip->gpio_chip.ngpio, GFP_KERNEL);
+	chip->buffer = devm_kzalloc(&spi->dev, chip->registers, GFP_KERNEL);
 	if (!chip->buffer) {
 		ret = -ENOMEM;
 		goto exit_destroy;
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 902af437eaf..cf7afb9eb61 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -244,6 +244,8 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin,
 	if (ret)
 		return ret;
 
+	mvebu_gpio_set(chip, pin, value);
+
 	spin_lock_irqsave(&mvchip->lock, flags);
 	u = readl_relaxed(mvebu_gpioreg_io_conf(mvchip));
 	u &= ~(1 << pin);
@@ -381,11 +383,13 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type)
 		u = readl_relaxed(mvebu_gpioreg_in_pol(mvchip));
 		u &= ~(1 << pin);
 		writel_relaxed(u, mvebu_gpioreg_in_pol(mvchip));
+		break;
 	case IRQ_TYPE_EDGE_FALLING:
 	case IRQ_TYPE_LEVEL_LOW:
 		u = readl_relaxed(mvebu_gpioreg_in_pol(mvchip));
 		u |= 1 << pin;
 		writel_relaxed(u, mvebu_gpioreg_in_pol(mvchip));
+		break;
 	case IRQ_TYPE_EDGE_BOTH: {
 		u32 v;
 
@@ -401,6 +405,7 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type)
 		else
 			u &= ~(1 << pin);	/* rising */
 		writel_relaxed(u, mvebu_gpioreg_in_pol(mvchip));
+		break;
 	}
 	}
 	return 0;
@@ -641,7 +646,7 @@ static int __devinit mvebu_gpio_probe(struct platform_device *pdev)
 	ct->handler = handle_edge_irq;
 	ct->chip.name = mvchip->chip.label;
 
-	irq_setup_generic_chip(gc, IRQ_MSK(ngpios), IRQ_GC_INIT_MASK_CACHE,
+	irq_setup_generic_chip(gc, IRQ_MSK(ngpios), 0,
 			       IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE);
 
 	/* Setup irq domain on top of the generic chip. */
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 94cbc842fbc..d335af1d4d8 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -251,6 +251,40 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
 	}
 }
 
+/**
+ * _clear_gpio_debounce - clear debounce settings for a gpio
+ * @bank: the gpio bank we're acting upon
+ * @gpio: the gpio number on this @gpio
+ *
+ * If a gpio is using debounce, then clear the debounce enable bit and if
+ * this is the only gpio in this bank using debounce, then clear the debounce
+ * time too. The debounce clock will also be disabled when calling this function
+ * if this is the only gpio in the bank using debounce.
+ */
+static void _clear_gpio_debounce(struct gpio_bank *bank, unsigned gpio)
+{
+	u32 gpio_bit = GPIO_BIT(bank, gpio);
+
+	if (!bank->dbck_flag)
+		return;
+
+	if (!(bank->dbck_enable_mask & gpio_bit))
+		return;
+
+	bank->dbck_enable_mask &= ~gpio_bit;
+	bank->context.debounce_en &= ~gpio_bit;
+	__raw_writel(bank->context.debounce_en,
+		     bank->base + bank->regs->debounce_en);
+
+	if (!bank->dbck_enable_mask) {
+		bank->context.debounce = 0;
+		__raw_writel(bank->context.debounce, bank->base +
+			     bank->regs->debounce);
+		clk_disable(bank->dbck);
+		bank->dbck_enabled = false;
+	}
+}
+
 static inline void set_gpio_trigger(struct gpio_bank *bank, int gpio,
 						unsigned trigger)
 {
@@ -539,6 +573,7 @@ static void _reset_gpio(struct gpio_bank *bank, int gpio)
 	_set_gpio_irqenable(bank, gpio, 0);
 	_clear_gpio_irqstatus(bank, gpio);
 	_set_gpio_triggering(bank, GPIO_INDEX(bank, gpio), IRQ_TYPE_NONE);
+	_clear_gpio_debounce(bank, gpio);
 }
 
 /* Use disable_irq_wake() and enable_irq_wake() functions from drivers */
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index 031c6adf5b6..1a3e2b9b477 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -116,7 +116,7 @@ static void timbgpio_irq_disable(struct irq_data *d)
 	unsigned long flags;
 
 	spin_lock_irqsave(&tgpio->lock, flags);
-	tgpio->last_ier &= ~(1 << offset);
+	tgpio->last_ier &= ~(1UL << offset);
 	iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER);
 	spin_unlock_irqrestore(&tgpio->lock, flags);
 }
@@ -128,7 +128,7 @@ static void timbgpio_irq_enable(struct irq_data *d)
 	unsigned long flags;
 
 	spin_lock_irqsave(&tgpio->lock, flags);
-	tgpio->last_ier |= 1 << offset;
+	tgpio->last_ier |= 1UL << offset;
 	iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER);
 	spin_unlock_irqrestore(&tgpio->lock, flags);
 }
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5d6c71edc73..1c8d9e3380e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -623,9 +623,11 @@ static ssize_t export_store(struct class *class,
 	 */
 
 	status = gpio_request(gpio, "sysfs");
-	if (status < 0)
+	if (status < 0) {
+		if (status == -EPROBE_DEFER)
+			status = -ENODEV;
 		goto done;
-
+	}
 	status = gpio_export(gpio, true);
 	if (status < 0)
 		gpio_free(gpio);
@@ -1191,8 +1193,10 @@ int gpio_request(unsigned gpio, const char *label)
 
 	spin_lock_irqsave(&gpio_lock, flags);
 
-	if (!gpio_is_valid(gpio))
+	if (!gpio_is_valid(gpio)) {
+		status = -EINVAL;
 		goto done;
+	}
 	desc = &gpio_desc[gpio];
 	chip = desc->chip;
 	if (chip == NULL)
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
index 09e11a5d921..fd9d0af4d53 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -206,7 +206,7 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper,
 	size_t size;
 	int ret;
 
-	DRM_DEBUG_KMS("surface width(%d), height(%d) and bpp(%d\n",
+	DRM_DEBUG_KMS("surface width(%d), height(%d) and bpp(%d)\n",
 			sizes->surface_width, sizes->surface_height,
 			sizes->surface_bpp);
 
@@ -220,7 +220,7 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper,
 
 	size = mode_cmd.pitches[0] * mode_cmd.height;
 	obj = drm_gem_cma_create(dev, size);
-	if (!obj)
+	if (IS_ERR(obj))
 		return -ENOMEM;
 
 	fbi = framebuffer_alloc(0, dev->dev);
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index cdf8b1e7602..d4b20ceda3f 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -205,8 +205,6 @@ static int drm_gem_one_name_info(int id, void *ptr, void *data)
 	struct drm_gem_object *obj = ptr;
 	struct seq_file *m = data;
 
-	seq_printf(m, "name %d size %zd\n", obj->name, obj->size);
-
 	seq_printf(m, "%6d %8zd %7d %8d\n",
 		   obj->name, obj->size,
 		   atomic_read(&obj->handle_count),
@@ -239,7 +237,7 @@ int drm_vma_info(struct seq_file *m, void *data)
 	mutex_lock(&dev->struct_mutex);
 	seq_printf(m, "vma use count: %d, high_memory = %pK, 0x%pK\n",
 		   atomic_read(&dev->vma_count),
-		   high_memory, (void *)virt_to_phys(high_memory));
+		   high_memory, (void *)(unsigned long)virt_to_phys(high_memory));
 
 	list_for_each_entry(pt, &dev->vmalist, head) {
 		vma = pt->vma;
diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c
index aaeb6f8d69c..b8a282ea875 100644
--- a/drivers/gpu/drm/drm_platform.c
+++ b/drivers/gpu/drm/drm_platform.c
@@ -64,7 +64,6 @@ int drm_get_platform_dev(struct platform_device *platdev,
 	}
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-		dev_set_drvdata(&platdev->dev, dev);
 		ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
 		if (ret)
 			goto err_g1;
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 59a26e577b5..fc345d4ebb0 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -1,6 +1,6 @@
 config DRM_EXYNOS
 	tristate "DRM Support for Samsung SoC EXYNOS Series"
-	depends on DRM && PLAT_SAMSUNG
+	depends on DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM)
 	select DRM_KMS_HELPER
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 18c271862ca..0f68a287267 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -374,6 +374,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
 	exynos_connector->encoder_id = encoder->base.id;
 	exynos_connector->manager = manager;
 	exynos_connector->dpms = DRM_MODE_DPMS_OFF;
+	connector->dpms = DRM_MODE_DPMS_OFF;
 	connector->encoder = encoder;
 
 	err = drm_mode_connector_attach_encoder(connector, encoder);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index e51503fbaf2..241ad1eeec6 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -43,12 +43,14 @@
  * @manager: specific encoder has its own manager to control a hardware
  *	appropriately and we can access a hardware drawing on this manager.
  * @dpms: store the encoder dpms value.
+ * @updated: indicate whether overlay data updating is needed or not.
  */
 struct exynos_drm_encoder {
 	struct drm_crtc			*old_crtc;
 	struct drm_encoder		drm_encoder;
 	struct exynos_drm_manager	*manager;
-	int dpms;
+	int				dpms;
+	bool				updated;
 };
 
 static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
@@ -85,7 +87,9 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
 		if (manager_ops && manager_ops->apply)
-			manager_ops->apply(manager->dev);
+			if (!exynos_encoder->updated)
+				manager_ops->apply(manager->dev);
+
 		exynos_drm_connector_power(encoder, mode);
 		exynos_encoder->dpms = mode;
 		break;
@@ -94,6 +98,7 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 	case DRM_MODE_DPMS_OFF:
 		exynos_drm_connector_power(encoder, mode);
 		exynos_encoder->dpms = mode;
+		exynos_encoder->updated = false;
 		break;
 	default:
 		DRM_ERROR("unspecified mode %d\n", mode);
@@ -205,13 +210,22 @@ static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
 
 static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 {
-	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+	struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+	struct exynos_drm_manager *manager = exynos_encoder->manager;
 	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
 	if (manager_ops && manager_ops->commit)
 		manager_ops->commit(manager->dev);
+
+	/*
+	 * this will avoid one issue that overlay data is updated to
+	 * real hardware two times.
+	 * And this variable will be used to check if the data was
+	 * already updated or not by exynos_drm_encoder_dpms function.
+	 */
+	exynos_encoder->updated = true;
 }
 
 static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
@@ -401,19 +415,6 @@ void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
 		manager_ops->dpms(manager->dev, mode);
 
 	/*
-	 * set current mode to new one so that data aren't updated into
-	 * registers by drm_helper_connector_dpms two times.
-	 *
-	 * in case that drm_crtc_helper_set_mode() is called,
-	 * overlay_ops->commit() and manager_ops->commit() callbacks
-	 * can be called two times, first at drm_crtc_helper_set_mode()
-	 * and second at drm_helper_connector_dpms().
-	 * so with this setting, when drm_helper_connector_dpms() is called
-	 * encoder->funcs->dpms() will be ignored.
-	 */
-	exynos_encoder->dpms = mode;
-
-	/*
 	 * if this condition is ok then it means that the crtc is already
 	 * detached from encoder and last function for detaching is properly
 	 * done, so clear pipe from manager to prevent repeated call.
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a32837951dd..130a2b510d4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -19,8 +19,8 @@
 #include <linux/clk.h>
 #include <linux/pm_runtime.h>
 
+#include <video/samsung_fimd.h>
 #include <drm/exynos_drm.h>
-#include <plat/regs-fb-v4.h>
 
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fbdev.h"
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 614b2e9ac46..e7fbb823fd8 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1142,7 +1142,7 @@ static int __devinit mixer_probe(struct platform_device *pdev)
 		const struct of_device_id *match;
 		match = of_match_node(of_match_ptr(mixer_match_types),
 							  pdev->dev.of_node);
-		drv = match->data;
+		drv = (struct mixer_drv_data *)match->data;
 	} else {
 		drv = (struct mixer_drv_data *)
 			platform_get_device_id(pdev)->driver_data;
diff --git a/drivers/gpu/drm/i915/dvo_ch7xxx.c b/drivers/gpu/drm/i915/dvo_ch7xxx.c
index 38f3a6cb8c7..3edd981e077 100644
--- a/drivers/gpu/drm/i915/dvo_ch7xxx.c
+++ b/drivers/gpu/drm/i915/dvo_ch7xxx.c
@@ -303,10 +303,10 @@ static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo)
 
 	ch7xxx_readb(dvo, CH7xxx_PM, &val);
 
-	if (val & CH7xxx_PM_FPD)
-		return false;
-	else
+	if (val & (CH7xxx_PM_DVIL | CH7xxx_PM_DVIP))
 		return true;
+	else
+		return false;
 }
 
 static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index c9bfd83dde6..61ae104dca8 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1505,7 +1505,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 		goto put_gmch;
 	}
 
-	i915_kick_out_firmware_fb(dev_priv);
+	if (drm_core_check_feature(dev, DRIVER_MODESET))
+		i915_kick_out_firmware_fb(dev_priv);
 
 	pci_set_master(dev->pdev);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index aac4e5e1a5b..6770ee6084b 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -118,6 +118,13 @@ module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0600);
 MODULE_PARM_DESC(i915_enable_ppgtt,
 		"Enable PPGTT (default: true)");
 
+unsigned int i915_preliminary_hw_support __read_mostly = 0;
+module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 0600);
+MODULE_PARM_DESC(preliminary_hw_support,
+		"Enable preliminary hardware support. "
+		"Enable Haswell and ValleyView Support. "
+		"(default: false)");
+
 static struct drm_driver driver;
 extern int intel_agp_enabled;
 
@@ -826,6 +833,12 @@ i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct intel_device_info *intel_info =
 		(struct intel_device_info *) ent->driver_data;
 
+	if (intel_info->is_haswell || intel_info->is_valleyview)
+		if(!i915_preliminary_hw_support) {
+			DRM_ERROR("Preliminary hardware support disabled\n");
+			return -ENODEV;
+		}
+
 	/* Only bind to function 0 of the device. Early generations
 	 * used function 1 as a placeholder for multi-head. This causes
 	 * us confusion instead, especially on the systems where both
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4f2831aa5fe..f511fa2f416 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1217,6 +1217,7 @@ extern int i915_enable_rc6 __read_mostly;
 extern int i915_enable_fbc __read_mostly;
 extern bool i915_enable_hangcheck __read_mostly;
 extern int i915_enable_ppgtt __read_mostly;
+extern unsigned int i915_preliminary_hw_support __read_mostly;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
 extern int i915_resume(struct drm_device *dev);
@@ -1341,9 +1342,14 @@ int __must_check i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
 static inline struct page *i915_gem_object_get_page(struct drm_i915_gem_object *obj, int n)
 {
 	struct scatterlist *sg = obj->pages->sgl;
-	while (n >= SG_MAX_SINGLE_ALLOC) {
+	int nents = obj->pages->nents;
+	while (nents > SG_MAX_SINGLE_ALLOC) {
+		if (n < SG_MAX_SINGLE_ALLOC - 1)
+			break;
+
 		sg = sg_chain_ptr(sg + SG_MAX_SINGLE_ALLOC - 1);
 		n -= SG_MAX_SINGLE_ALLOC - 1;
+		nents -= SG_MAX_SINGLE_ALLOC - 1;
 	}
 	return sg_page(sg+n);
 }
@@ -1427,7 +1433,7 @@ int __must_check i915_gpu_idle(struct drm_device *dev);
 int __must_check i915_gem_idle(struct drm_device *dev);
 int i915_add_request(struct intel_ring_buffer *ring,
 		     struct drm_file *file,
-		     struct drm_i915_gem_request *request);
+		     u32 *seqno);
 int __must_check i915_wait_seqno(struct intel_ring_buffer *ring,
 				 uint32_t seqno);
 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 19dbdd7dd56..107f09befe9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1407,8 +1407,10 @@ out:
 		return VM_FAULT_NOPAGE;
 	case -ENOMEM:
 		return VM_FAULT_OOM;
+	case -ENOSPC:
+		return VM_FAULT_SIGBUS;
 	default:
-		WARN_ON_ONCE(ret);
+		WARN_ONCE(ret, "unhandled error in i915_gem_fault: %i\n", ret);
 		return VM_FAULT_SIGBUS;
 	}
 }
@@ -1822,10 +1824,11 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
 		sg_set_page(sg, page, PAGE_SIZE, 0);
 	}
 
+	obj->pages = st;
+
 	if (i915_gem_object_needs_bit17_swizzle(obj))
 		i915_gem_object_do_bit_17_swizzle(obj);
 
-	obj->pages = st;
 	return 0;
 
 err_pages:
@@ -1955,11 +1958,12 @@ i915_gem_next_request_seqno(struct intel_ring_buffer *ring)
 int
 i915_add_request(struct intel_ring_buffer *ring,
 		 struct drm_file *file,
-		 struct drm_i915_gem_request *request)
+		 u32 *out_seqno)
 {
 	drm_i915_private_t *dev_priv = ring->dev->dev_private;
-	uint32_t seqno;
+	struct drm_i915_gem_request *request;
 	u32 request_ring_position;
+	u32 seqno;
 	int was_empty;
 	int ret;
 
@@ -1974,11 +1978,9 @@ i915_add_request(struct intel_ring_buffer *ring,
 	if (ret)
 		return ret;
 
-	if (request == NULL) {
-		request = kmalloc(sizeof(*request), GFP_KERNEL);
-		if (request == NULL)
-			return -ENOMEM;
-	}
+	request = kmalloc(sizeof(*request), GFP_KERNEL);
+	if (request == NULL)
+		return -ENOMEM;
 
 	seqno = i915_gem_next_request_seqno(ring);
 
@@ -2030,6 +2032,8 @@ i915_add_request(struct intel_ring_buffer *ring,
 		}
 	}
 
+	if (out_seqno)
+		*out_seqno = seqno;
 	return 0;
 }
 
@@ -3959,6 +3963,9 @@ i915_gem_init_hw(struct drm_device *dev)
 	if (!intel_enable_gtt())
 		return -EIO;
 
+	if (IS_HASWELL(dev) && (I915_READ(0x120010) == 1))
+		I915_WRITE(0x9008, I915_READ(0x9008) | 0xf0000);
+
 	i915_gem_l3_remap(dev);
 
 	i915_gem_init_swizzling(dev);
@@ -4098,7 +4105,6 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
 	}
 
 	BUG_ON(!list_empty(&dev_priv->mm.active_list));
-	BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
 	mutex_unlock(&dev->struct_mutex);
 
 	ret = drm_irq_install(dev);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 64c1be0a9cf..a4162ddff6c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -521,7 +521,7 @@
  */
 # define _3D_CHICKEN2_WM_READ_PIPELINED			(1 << 14)
 #define _3D_CHICKEN3	0x02090
-#define  _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL		(1 << 5)
+#define  _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL		(1 << 5)
 
 #define MI_MODE		0x0209c
 # define VS_TIMER_DISPATCH				(1 << 6)
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 893f30164b7..b726b478a4f 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -219,20 +219,7 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 		intel_encoder_to_crt(to_intel_encoder(encoder));
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int dpll_md_reg;
-	u32 adpa, dpll_md;
-
-	dpll_md_reg = DPLL_MD(intel_crtc->pipe);
-
-	/*
-	 * Disable separate mode multiplier used when cloning SDVO to CRT
-	 * XXX this needs to be adjusted when we really are cloning
-	 */
-	if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) {
-		dpll_md = I915_READ(dpll_md_reg);
-		I915_WRITE(dpll_md_reg,
-			   dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
-	}
+	u32 adpa;
 
 	adpa = ADPA_HOTPLUG_BITS;
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
@@ -742,7 +729,7 @@ void intel_crt_init(struct drm_device *dev)
 
 	crt->base.type = INTEL_OUTPUT_ANALOG;
 	crt->base.cloneable = true;
-	if (IS_HASWELL(dev))
+	if (IS_HASWELL(dev) || IS_I830(dev))
 		crt->base.crtc_mask = (1 << 0);
 	else
 		crt->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2b6ce9b2674..461a637f1ef 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3253,6 +3253,16 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
 
 	if (HAS_PCH_CPT(dev))
 		intel_cpt_verify_modeset(dev, intel_crtc->pipe);
+
+	/*
+	 * There seems to be a race in PCH platform hw (at least on some
+	 * outputs) where an enabled pipe still completes any pageflip right
+	 * away (as if the pipe is off) instead of waiting for vblank. As soon
+	 * as the first vblank happend, everything works as expected. Hence just
+	 * wait for one vblank before returning to avoid strange things
+	 * happening.
+	 */
+	intel_wait_for_vblank(dev, intel_crtc->pipe);
 }
 
 static void ironlake_crtc_disable(struct drm_crtc *crtc)
@@ -7882,6 +7892,34 @@ struct intel_quirk {
 	void (*hook)(struct drm_device *dev);
 };
 
+/* For systems that don't have a meaningful PCI subdevice/subvendor ID */
+struct intel_dmi_quirk {
+	void (*hook)(struct drm_device *dev);
+	const struct dmi_system_id (*dmi_id_list)[];
+};
+
+static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
+{
+	DRM_INFO("Backlight polarity reversed on %s\n", id->ident);
+	return 1;
+}
+
+static const struct intel_dmi_quirk intel_dmi_quirks[] = {
+	{
+		.dmi_id_list = &(const struct dmi_system_id[]) {
+			{
+				.callback = intel_dmi_reverse_brightness,
+				.ident = "NCR Corporation",
+				.matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
+					    DMI_MATCH(DMI_PRODUCT_NAME, ""),
+				},
+			},
+			{ }  /* terminating entry */
+		},
+		.hook = quirk_invert_brightness,
+	},
+};
+
 static struct intel_quirk intel_quirks[] = {
 	/* HP Mini needs pipe A force quirk (LP: #322104) */
 	{ 0x27ae, 0x103c, 0x361a, quirk_pipea_force },
@@ -7892,8 +7930,7 @@ static struct intel_quirk intel_quirks[] = {
 	/* ThinkPad T60 needs pipe A force quirk (bug #16494) */
 	{ 0x2782, 0x17aa, 0x201a, quirk_pipea_force },
 
-	/* 855 & before need to leave pipe A & dpll A up */
-	{ 0x3582, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
+	/* 830/845 need to leave pipe A & dpll A up */
 	{ 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
 	{ 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
 
@@ -7922,6 +7959,10 @@ static void intel_init_quirks(struct drm_device *dev)
 		     q->subsystem_device == PCI_ANY_ID))
 			q->hook(dev);
 	}
+	for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) {
+		if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0)
+			intel_dmi_quirks[i].hook(dev);
+	}
 }
 
 /* Disable the VGA plane that we never use */
@@ -8049,29 +8090,42 @@ static void intel_enable_pipe_a(struct drm_device *dev)
 
 }
 
+static bool
+intel_check_plane_mapping(struct intel_crtc *crtc)
+{
+	struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+	u32 reg, val;
+
+	if (dev_priv->num_pipe == 1)
+		return true;
+
+	reg = DSPCNTR(!crtc->plane);
+	val = I915_READ(reg);
+
+	if ((val & DISPLAY_PLANE_ENABLE) &&
+	    (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe))
+		return false;
+
+	return true;
+}
+
 static void intel_sanitize_crtc(struct intel_crtc *crtc)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 reg, val;
+	u32 reg;
 
 	/* Clear any frame start delays used for debugging left by the BIOS */
 	reg = PIPECONF(crtc->pipe);
 	I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK);
 
 	/* We need to sanitize the plane -> pipe mapping first because this will
-	 * disable the crtc (and hence change the state) if it is wrong. */
-	if (!HAS_PCH_SPLIT(dev)) {
+	 * disable the crtc (and hence change the state) if it is wrong. Note
+	 * that gen4+ has a fixed plane -> pipe mapping.  */
+	if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) {
 		struct intel_connector *connector;
 		bool plane;
 
-		reg = DSPCNTR(crtc->plane);
-		val = I915_READ(reg);
-
-		if ((val & DISPLAY_PLANE_ENABLE) == 0 &&
-		    (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe))
-			goto ok;
-
 		DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n",
 			      crtc->base.base.id);
 
@@ -8095,7 +8149,6 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
 		WARN_ON(crtc->active);
 		crtc->base.enabled = false;
 	}
-ok:
 
 	if (dev_priv->quirks & QUIRK_PIPEA_FORCE &&
 	    crtc->pipe == PIPE_A && !crtc->active) {
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d1e8ddb2d6c..368ed8ef160 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1797,7 +1797,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 			if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
 				break;
 		if (i == intel_dp->lane_count && voltage_tries == 5) {
-			if (++loop_tries == 5) {
+			++loop_tries;
+			if (loop_tries == 5) {
 				DRM_DEBUG_KMS("too many full retries, give up\n");
 				break;
 			}
@@ -1807,11 +1808,15 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		}
 
 		/* Check to see if we've tried the same voltage 5 times */
-		if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) != voltage) {
-			voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
-			voltage_tries = 0;
-		} else
+		if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
 			++voltage_tries;
+			if (voltage_tries == 5) {
+				DRM_DEBUG_KMS("too many voltage retries, give up\n");
+				break;
+			}
+		} else
+			voltage_tries = 0;
+		voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
 
 		/* Compute new intel_dp->train_set as requested by target */
 		intel_get_adjust_train(intel_dp, link_status);
@@ -2369,8 +2374,9 @@ static void
 intel_dp_destroy(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
+	struct intel_dp *intel_dp = intel_attached_dp(connector);
 
-	if (intel_dpd_is_edp(dev))
+	if (is_edp(intel_dp))
 		intel_panel_destroy_backlight(dev);
 
 	drm_sysfs_connector_remove(connector);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index e3166df55da..edba93b3474 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -777,6 +777,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "D525TUD"),
 		},
 	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "Supermicro X7SPA-H",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X7SPA-H"),
+		},
+	},
 
 	{ }	/* terminating entry */
 };
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index ebff850a9ab..d7bc817f51a 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -209,7 +209,6 @@ static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
 }
 
 static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
-					 struct drm_i915_gem_request *request,
 					 void (*tail)(struct intel_overlay *))
 {
 	struct drm_device *dev = overlay->dev;
@@ -218,12 +217,10 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
 	int ret;
 
 	BUG_ON(overlay->last_flip_req);
-	ret = i915_add_request(ring, NULL, request);
-	if (ret) {
-	    kfree(request);
-	    return ret;
-	}
-	overlay->last_flip_req = request->seqno;
+	ret = i915_add_request(ring, NULL, &overlay->last_flip_req);
+	if (ret)
+		return ret;
+
 	overlay->flip_tail = tail;
 	ret = i915_wait_seqno(ring, overlay->last_flip_req);
 	if (ret)
@@ -240,7 +237,6 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 	struct drm_device *dev = overlay->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
-	struct drm_i915_gem_request *request;
 	int ret;
 
 	BUG_ON(overlay->active);
@@ -248,17 +244,9 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 
 	WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
 
-	request = kzalloc(sizeof(*request), GFP_KERNEL);
-	if (request == NULL) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
 	ret = intel_ring_begin(ring, 4);
-	if (ret) {
-		kfree(request);
-		goto out;
-	}
+	if (ret)
+		return ret;
 
 	intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON);
 	intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE);
@@ -266,9 +254,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 	intel_ring_emit(ring, MI_NOOP);
 	intel_ring_advance(ring);
 
-	ret = intel_overlay_do_wait_request(overlay, request, NULL);
-out:
-	return ret;
+	return intel_overlay_do_wait_request(overlay, NULL);
 }
 
 /* overlay needs to be enabled in OCMD reg */
@@ -278,17 +264,12 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
 	struct drm_device *dev = overlay->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
-	struct drm_i915_gem_request *request;
 	u32 flip_addr = overlay->flip_addr;
 	u32 tmp;
 	int ret;
 
 	BUG_ON(!overlay->active);
 
-	request = kzalloc(sizeof(*request), GFP_KERNEL);
-	if (request == NULL)
-		return -ENOMEM;
-
 	if (load_polyphase_filter)
 		flip_addr |= OFC_UPDATE;
 
@@ -298,22 +279,14 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
 		DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
 
 	ret = intel_ring_begin(ring, 2);
-	if (ret) {
-		kfree(request);
+	if (ret)
 		return ret;
-	}
+
 	intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
 	intel_ring_emit(ring, flip_addr);
 	intel_ring_advance(ring);
 
-	ret = i915_add_request(ring, NULL, request);
-	if (ret) {
-		kfree(request);
-		return ret;
-	}
-
-	overlay->last_flip_req = request->seqno;
-	return 0;
+	return i915_add_request(ring, NULL, &overlay->last_flip_req);
 }
 
 static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
@@ -349,15 +322,10 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
 	u32 flip_addr = overlay->flip_addr;
-	struct drm_i915_gem_request *request;
 	int ret;
 
 	BUG_ON(!overlay->active);
 
-	request = kzalloc(sizeof(*request), GFP_KERNEL);
-	if (request == NULL)
-		return -ENOMEM;
-
 	/* According to intel docs the overlay hw may hang (when switching
 	 * off) without loading the filter coeffs. It is however unclear whether
 	 * this applies to the disabling of the overlay or to the switching off
@@ -365,22 +333,28 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	flip_addr |= OFC_UPDATE;
 
 	ret = intel_ring_begin(ring, 6);
-	if (ret) {
-		kfree(request);
+	if (ret)
 		return ret;
-	}
+
 	/* wait for overlay to go idle */
 	intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
 	intel_ring_emit(ring, flip_addr);
 	intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
 	/* turn overlay off */
-	intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
-	intel_ring_emit(ring, flip_addr);
-	intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+	if (IS_I830(dev)) {
+		/* Workaround: Don't disable the overlay fully, since otherwise
+		 * it dies on the next OVERLAY_ON cmd. */
+		intel_ring_emit(ring, MI_NOOP);
+		intel_ring_emit(ring, MI_NOOP);
+		intel_ring_emit(ring, MI_NOOP);
+	} else {
+		intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
+		intel_ring_emit(ring, flip_addr);
+		intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+	}
 	intel_ring_advance(ring);
 
-	return intel_overlay_do_wait_request(overlay, request,
-					     intel_overlay_off_tail);
+	return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail);
 }
 
 /* recover from an interruption due to a signal
@@ -425,24 +399,16 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
 		return 0;
 
 	if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) {
-		struct drm_i915_gem_request *request;
-
 		/* synchronous slowpath */
-		request = kzalloc(sizeof(*request), GFP_KERNEL);
-		if (request == NULL)
-			return -ENOMEM;
-
 		ret = intel_ring_begin(ring, 2);
-		if (ret) {
-			kfree(request);
+		if (ret)
 			return ret;
-		}
 
 		intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
 		intel_ring_emit(ring, MI_NOOP);
 		intel_ring_advance(ring);
 
-		ret = intel_overlay_do_wait_request(overlay, request,
+		ret = intel_overlay_do_wait_request(overlay,
 						    intel_overlay_release_old_vid_tail);
 		if (ret)
 			return ret;
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index e019b236986..e2aacd32954 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -435,7 +435,7 @@ int intel_panel_setup_backlight(struct drm_device *dev)
 	props.type = BACKLIGHT_RAW;
 	props.max_brightness = _intel_panel_get_max_backlight(dev);
 	if (props.max_brightness == 0) {
-		DRM_ERROR("Failed to get maximum backlight value\n");
+		DRM_DEBUG_DRIVER("Failed to get maximum backlight value\n");
 		return -ENODEV;
 	}
 	dev_priv->backlight =
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index b3b4b6cea8b..72f41aaa71f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3442,8 +3442,8 @@ static void gen6_init_clock_gating(struct drm_device *dev)
 		   GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
 
 	/* Bspec says we need to always set all mask bits. */
-	I915_WRITE(_3D_CHICKEN, (0xFFFF << 16) |
-		   _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL);
+	I915_WRITE(_3D_CHICKEN3, (0xFFFF << 16) |
+		   _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL);
 
 	/*
 	 * According to the spec the following bits should be
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 0007a4d9bf6..79d308da29f 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -139,6 +139,11 @@ struct intel_sdvo {
 
 	/* DDC bus used by this SDVO encoder */
 	uint8_t ddc_bus;
+
+	/*
+	 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
+	 */
+	uint8_t dtd_sdvo_flags;
 };
 
 struct intel_sdvo_connector {
@@ -889,6 +894,45 @@ static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 }
 #endif
 
+static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
+				       unsigned if_index, uint8_t tx_rate,
+				       uint8_t *data, unsigned length)
+{
+	uint8_t set_buf_index[2] = { if_index, 0 };
+	uint8_t hbuf_size, tmp[8];
+	int i;
+
+	if (!intel_sdvo_set_value(intel_sdvo,
+				  SDVO_CMD_SET_HBUF_INDEX,
+				  set_buf_index, 2))
+		return false;
+
+	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
+				  &hbuf_size, 1))
+		return false;
+
+	/* Buffer size is 0 based, hooray! */
+	hbuf_size++;
+
+	DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
+		      if_index, length, hbuf_size);
+
+	for (i = 0; i < hbuf_size; i += 8) {
+		memset(tmp, 0, 8);
+		if (i < length)
+			memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
+
+		if (!intel_sdvo_set_value(intel_sdvo,
+					  SDVO_CMD_SET_HBUF_DATA,
+					  tmp, 8))
+			return false;
+	}
+
+	return intel_sdvo_set_value(intel_sdvo,
+				    SDVO_CMD_SET_HBUF_TXRATE,
+				    &tx_rate, 1);
+}
+
 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 {
 	struct dip_infoframe avi_if = {
@@ -896,11 +940,7 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 		.ver = DIP_VERSION_AVI,
 		.len = DIP_LEN_AVI,
 	};
-	uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
-	uint8_t set_buf_index[2] = { 1, 0 };
 	uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
-	uint64_t *data = (uint64_t *)sdvo_data;
-	unsigned i;
 
 	intel_dip_infoframe_csum(&avi_if);
 
@@ -910,22 +950,9 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 	sdvo_data[3] = avi_if.checksum;
 	memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 
-	if (!intel_sdvo_set_value(intel_sdvo,
-				  SDVO_CMD_SET_HBUF_INDEX,
-				  set_buf_index, 2))
-		return false;
-
-	for (i = 0; i < sizeof(sdvo_data); i += 8) {
-		if (!intel_sdvo_set_value(intel_sdvo,
-					  SDVO_CMD_SET_HBUF_DATA,
-					  data, 8))
-			return false;
-		data++;
-	}
-
-	return intel_sdvo_set_value(intel_sdvo,
-				    SDVO_CMD_SET_HBUF_TXRATE,
-				    &tx_rate, 1);
+	return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
+					  SDVO_HBUF_TX_VSYNC,
+					  sdvo_data, sizeof(sdvo_data));
 }
 
 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
@@ -984,6 +1011,7 @@ intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
 		return false;
 
 	intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
+	intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
 
 	return true;
 }
@@ -1092,6 +1120,8 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 	 * adjusted_mode.
 	 */
 	intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
+	if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
+		input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
 	if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
 		DRM_INFO("Setting input timings on %s failed\n",
 			 SDVO_NAME(intel_sdvo));
@@ -2277,10 +2307,8 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
 		intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
 	}
 
-	/* SDVO LVDS is cloneable because the SDVO encoder does the upscaling,
-	 * as opposed to native LVDS, where we upscale with the panel-fitter
-	 * (and hence only the native LVDS resolution could be cloned). */
-	intel_sdvo->base.cloneable = true;
+	/* SDVO LVDS is not cloneable because the input mode gets adjusted by the encoder */
+	intel_sdvo->base.cloneable = false;
 
 	intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
 	if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
diff --git a/drivers/gpu/drm/i915/intel_sdvo_regs.h b/drivers/gpu/drm/i915/intel_sdvo_regs.h
index 9d030142ee4..770bdd6ecd9 100644
--- a/drivers/gpu/drm/i915/intel_sdvo_regs.h
+++ b/drivers/gpu/drm/i915/intel_sdvo_regs.h
@@ -708,6 +708,8 @@ struct intel_sdvo_enhancements_arg {
 #define SDVO_CMD_SET_AUDIO_STAT		0x91
 #define SDVO_CMD_GET_AUDIO_STAT		0x92
 #define SDVO_CMD_SET_HBUF_INDEX		0x93
+  #define SDVO_HBUF_INDEX_ELD		0
+  #define SDVO_HBUF_INDEX_AVI_IF	1
 #define SDVO_CMD_GET_HBUF_INDEX		0x94
 #define SDVO_CMD_GET_HBUF_INFO		0x95
 #define SDVO_CMD_SET_HBUF_AV_SPLIT	0x96
diff --git a/drivers/gpu/drm/nouveau/core/core/gpuobj.c b/drivers/gpu/drm/nouveau/core/core/gpuobj.c
index 1f34549aff1..70586fde69c 100644
--- a/drivers/gpu/drm/nouveau/core/core/gpuobj.c
+++ b/drivers/gpu/drm/nouveau/core/core/gpuobj.c
@@ -39,6 +39,11 @@ nouveau_gpuobj_destroy(struct nouveau_gpuobj *gpuobj)
 			nv_wo32(gpuobj, i, 0x00000000);
 	}
 
+	if (gpuobj->node) {
+		nouveau_mm_free(&nv_gpuobj(gpuobj->parent)->heap,
+				&gpuobj->node);
+	}
+
 	if (gpuobj->heap.block_size)
 		nouveau_mm_fini(&gpuobj->heap);
 
diff --git a/drivers/gpu/drm/nouveau/core/core/mm.c b/drivers/gpu/drm/nouveau/core/core/mm.c
index bfddf87926d..a6d3cd6490f 100644
--- a/drivers/gpu/drm/nouveau/core/core/mm.c
+++ b/drivers/gpu/drm/nouveau/core/core/mm.c
@@ -218,13 +218,16 @@ nouveau_mm_init(struct nouveau_mm *mm, u32 offset, u32 length, u32 block)
 	node = kzalloc(sizeof(*node), GFP_KERNEL);
 	if (!node)
 		return -ENOMEM;
-	node->offset = roundup(offset, mm->block_size);
-	node->length = rounddown(offset + length, mm->block_size) - node->offset;
+
+	if (length) {
+		node->offset  = roundup(offset, mm->block_size);
+		node->length  = rounddown(offset + length, mm->block_size);
+		node->length -= node->offset;
+	}
 
 	list_add_tail(&node->nl_entry, &mm->nodes);
 	list_add_tail(&node->fl_entry, &mm->free);
 	mm->heap_nodes++;
-	mm->heap_size += length;
 	return 0;
 }
 
@@ -236,7 +239,7 @@ nouveau_mm_fini(struct nouveau_mm *mm)
 	int nodes = 0;
 
 	list_for_each_entry(node, &mm->nodes, nl_entry) {
-		if (nodes++ == mm->heap_nodes)
+		if (WARN_ON(nodes++ == mm->heap_nodes))
 			return -EBUSY;
 	}
 
diff --git a/drivers/gpu/drm/nouveau/core/core/parent.c b/drivers/gpu/drm/nouveau/core/core/parent.c
index a1ea034611d..db7c5494310 100644
--- a/drivers/gpu/drm/nouveau/core/core/parent.c
+++ b/drivers/gpu/drm/nouveau/core/core/parent.c
@@ -101,23 +101,6 @@ nouveau_parent_create_(struct nouveau_object *parent,
 	return 0;
 }
 
-int
-_nouveau_parent_ctor(struct nouveau_object *parent,
-		     struct nouveau_object *engine,
-		     struct nouveau_oclass *oclass, void *data, u32 size,
-		     struct nouveau_object **pobject)
-{
-	struct nouveau_parent *object;
-	int ret;
-
-	ret = nouveau_parent_create(parent, engine, oclass, 0, NULL, 0, &object);
-	*pobject = nv_object(object);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
 void
 nouveau_parent_destroy(struct nouveau_parent *parent)
 {
diff --git a/drivers/gpu/drm/nouveau/core/include/core/mm.h b/drivers/gpu/drm/nouveau/core/include/core/mm.h
index 9ee9bf4028c..975137ba34a 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/mm.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/mm.h
@@ -19,7 +19,6 @@ struct nouveau_mm {
 
 	u32 block_size;
 	int heap_nodes;
-	u32 heap_size;
 };
 
 int  nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block);
diff --git a/drivers/gpu/drm/nouveau/core/include/core/parent.h b/drivers/gpu/drm/nouveau/core/include/core/parent.h
index d3aa251a5eb..3c2e940eb0f 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/parent.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/parent.h
@@ -50,9 +50,6 @@ int  nouveau_parent_create_(struct nouveau_object *, struct nouveau_object *,
 			    int size, void **);
 void nouveau_parent_destroy(struct nouveau_parent *);
 
-int  _nouveau_parent_ctor(struct nouveau_object *, struct nouveau_object *,
-			  struct nouveau_oclass *, void *, u32,
-			  struct nouveau_object **);
 void _nouveau_parent_dtor(struct nouveau_object *);
 #define _nouveau_parent_init _nouveau_object_init
 #define _nouveau_parent_fini _nouveau_object_fini
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/timer.h b/drivers/gpu/drm/nouveau/core/include/subdev/timer.h
index 49bff901544..c24ec8ab3db 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/timer.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/timer.h
@@ -26,7 +26,7 @@ void nouveau_timer_alarm(void *, u32 nsec, struct nouveau_alarm *);
 struct nouveau_timer {
 	struct nouveau_subdev base;
 	u64  (*read)(struct nouveau_timer *);
-	void (*alarm)(struct nouveau_timer *, u32 time, struct nouveau_alarm *);
+	void (*alarm)(struct nouveau_timer *, u64 time, struct nouveau_alarm *);
 };
 
 static inline struct nouveau_timer *
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
index 2fbb6df697c..70ca7d5a1aa 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
@@ -72,7 +72,7 @@ nouveau_bios_shadow_of(struct nouveau_bios *bios)
 	}
 
 	data = of_get_property(dn, "NVDA,BMP", &size);
-	if (data) {
+	if (data && size) {
 		bios->size = size;
 		bios->data = kmalloc(bios->size, GFP_KERNEL);
 		if (bios->data)
@@ -104,6 +104,9 @@ nouveau_bios_shadow_pramin(struct nouveau_bios *bios)
 		goto out;
 
 	bios->size = nv_rd08(bios, 0x700002) * 512;
+	if (!bios->size)
+		goto out;
+
 	bios->data = kmalloc(bios->size, GFP_KERNEL);
 	if (bios->data) {
 		for (i = 0; i < bios->size; i++)
@@ -155,6 +158,9 @@ nouveau_bios_shadow_prom(struct nouveau_bios *bios)
 
 	/* read entire bios image to system memory */
 	bios->size = nv_rd08(bios, 0x300002) * 512;
+	if (!bios->size)
+		goto out;
+
 	bios->data = kmalloc(bios->size, GFP_KERNEL);
 	if (bios->data) {
 		for (i = 0; i < bios->size; i++)
@@ -185,23 +191,30 @@ static void
 nouveau_bios_shadow_acpi(struct nouveau_bios *bios)
 {
 	struct pci_dev *pdev = nv_device(bios)->pdev;
-	int cnt = 65536 / 4096;
-	int ret;
+	int ret, cnt, i;
 
-	if (!nouveau_acpi_rom_supported(pdev))
+	if (!nouveau_acpi_rom_supported(pdev)) {
+		bios->data = NULL;
 		return;
+	}
 
-	bios->data = kmalloc(65536, GFP_KERNEL);
 	bios->size = 0;
-	if (!bios->data)
-		return;
+	bios->data = kmalloc(4096, GFP_KERNEL);
+	if (bios->data) {
+		if (nouveau_acpi_get_bios_chunk(bios->data, 0, 4096) == 4096)
+			bios->size = bios->data[2] * 512;
+		kfree(bios->data);
+	}
 
-	while (cnt--) {
-		ret = nouveau_acpi_get_bios_chunk(bios->data, bios->size, 4096);
-		if (ret != 4096)
-			return;
+	if (!bios->size)
+		return;
 
-		bios->size += 4096;
+	bios->data = kmalloc(bios->size, GFP_KERNEL);
+	for (i = 0; bios->data && i < bios->size; i += cnt) {
+		cnt = min((bios->size - i), (u32)4096);
+		ret = nouveau_acpi_get_bios_chunk(bios->data, i, cnt);
+		if (ret != cnt)
+			break;
 	}
 }
 
@@ -230,12 +243,14 @@ nouveau_bios_shadow_pci(struct nouveau_bios *bios)
 static int
 nouveau_bios_score(struct nouveau_bios *bios, const bool writeable)
 {
-	if (!bios->data || bios->data[0] != 0x55 || bios->data[1] != 0xAA) {
+	if (bios->size < 3 || !bios->data || bios->data[0] != 0x55 ||
+			bios->data[1] != 0xAA) {
 		nv_info(bios, "... signature not found\n");
 		return 0;
 	}
 
-	if (nvbios_checksum(bios->data, bios->data[2] * 512)) {
+	if (nvbios_checksum(bios->data,
+			min_t(u32, bios->data[2] * 512, bios->size))) {
 		nv_info(bios, "... checksum invalid\n");
 		/* if a ro image is somewhat bad, it's probably all rubbish */
 		return writeable ? 2 : 1;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
index 9ed6e728a94..7d750382a83 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
@@ -43,7 +43,7 @@ dcb_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
 	*ver = nv_ro08(bios, dcb);
 
 	if (*ver >= 0x41) {
-		nv_warn(bios, "DCB *ver 0x%02x unknown\n", *ver);
+		nv_warn(bios, "DCB version 0x%02x unknown\n", *ver);
 		return 0x0000;
 	} else
 	if (*ver >= 0x30) {
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/pll.c b/drivers/gpu/drm/nouveau/core/subdev/bios/pll.c
index 5e5f4cddae3..f835501203e 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/pll.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/pll.c
@@ -157,11 +157,10 @@ pll_map_reg(struct nouveau_bios *bios, u32 reg, u32 *type, u8 *ver, u8 *len)
 	while (map->reg) {
 		if (map->reg == reg && *ver >= 0x20) {
 			u16 addr = (data += hdr);
+			*type = map->type;
 			while (cnt--) {
-				if (nv_ro32(bios, data) == map->reg) {
-					*type = map->type;
+				if (nv_ro32(bios, data) == map->reg)
 					return data;
-				}
 				data += *len;
 			}
 			return addr;
@@ -200,11 +199,10 @@ pll_map_type(struct nouveau_bios *bios, u8 type, u32 *reg, u8 *ver, u8 *len)
 	while (map->reg) {
 		if (map->type == type && *ver >= 0x20) {
 			u16 addr = (data += hdr);
+			*reg = map->reg;
 			while (cnt--) {
-				if (nv_ro32(bios, data) == map->reg) {
-					*reg = map->reg;
+				if (nv_ro32(bios, data) == map->reg)
 					return data;
-				}
 				data += *len;
 			}
 			return addr;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nv50.c
index fd181fbcedd..f4147f67eda 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/clock/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nv50.c
@@ -90,6 +90,7 @@ nv50_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 		return ret;
 
 	priv->base.pll_set = nv50_clock_pll_set;
+	priv->base.pll_calc = nv04_clock_pll_calc;
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
index 436e9efe7ef..5f570806143 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
@@ -219,13 +219,11 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 			     ((priv->base.ram.size & 0x000000ff) << 32);
 
 	tags = nv_rd32(priv, 0x100320);
-	if (tags) {
-		ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1);
-		if (ret)
-			return ret;
+	ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1);
+	if (ret)
+		return ret;
 
-		nv_debug(priv, "%d compression tags\n", tags);
-	}
+	nv_debug(priv, "%d compression tags\n", tags);
 
 	size = (priv->base.ram.size >> 12) - rsvd_head - rsvd_tail;
 	switch (device->chipset) {
@@ -237,6 +235,7 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 			return ret;
 
 		priv->base.ram.stolen = (u64)nv_rd32(priv, 0x100e10) << 12;
+		priv->base.ram.type = NV_MEM_TYPE_STOLEN;
 		break;
 	default:
 		ret = nouveau_mm_init(&priv->base.vram, rsvd_head, size,
@@ -277,7 +276,6 @@ nv50_fb_dtor(struct nouveau_object *object)
 		__free_page(priv->r100c08_page);
 	}
 
-	nouveau_mm_fini(&priv->base.vram);
 	nouveau_fb_destroy(&priv->base);
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
index 3d2c88310f9..dbfc2abf0cf 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
@@ -292,7 +292,7 @@ nouveau_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 		case DCB_I2C_NVIO_BIT:
 			port->drive = info.drive & 0x0f;
 			if (device->card_type < NV_D0) {
-				if (info.drive >= ARRAY_SIZE(nv50_i2c_port))
+				if (port->drive >= ARRAY_SIZE(nv50_i2c_port))
 					break;
 				port->drive = nv50_i2c_port[port->drive];
 				port->sense = port->drive;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
index b29237970fa..52317868518 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
@@ -134,7 +134,7 @@ nouveau_therm_fan_sense(struct nouveau_therm *therm)
 	end = ptimer->read(ptimer);
 
 	if (cycles == 5) {
-		tach = (u64)60000000000;
+		tach = (u64)60000000000ULL;
 		do_div(tach, (end - start));
 		return tach;
 	} else
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
index f87a7a3eb4e..9360ddd469e 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
@@ -92,7 +92,7 @@ nv50_fan_pwm_clock(struct nouveau_therm *therm)
 		if (nv_rd32(therm, 0xc040) & 0x800000) {
 			/* Use the HOST clock (100 MHz)
 			* Where does this constant(2.4) comes from? */
-			pwm_clock = (100000000 >> pwm_div) / 10 / 24;
+			pwm_clock = (100000000 >> pwm_div) * 10 / 24;
 		} else {
 			/* Where does this constant(20) comes from? */
 			pwm_clock = (crystal * 1000) >> pwm_div;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/timer/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/timer/nv04.c
index 49976be4d73..c26ca9bef67 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/timer/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/timer/nv04.c
@@ -85,7 +85,7 @@ nv04_timer_alarm_trigger(struct nouveau_timer *ptimer)
 }
 
 static void
-nv04_timer_alarm(struct nouveau_timer *ptimer, u32 time,
+nv04_timer_alarm(struct nouveau_timer *ptimer, u64 time,
 		 struct nouveau_alarm *alarm)
 {
 	struct nv04_timer_priv *priv = (void *)ptimer;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
index 0203e1e12ca..49050d991e7 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
@@ -92,7 +92,8 @@ nv41_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 	struct nv04_vmmgr_priv *priv;
 	int ret;
 
-	if (!nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
+	if (pci_find_capability(device->pdev, PCI_CAP_ID_AGP) ||
+	    !nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
 		return nouveau_object_ctor(parent, engine, &nv04_vmmgr_oclass,
 					   data, size, pobject);
 	}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
index 0ac18d05a14..aa8131436e3 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
@@ -163,7 +163,8 @@ nv44_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 	struct nv04_vmmgr_priv *priv;
 	int ret;
 
-	if (!nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
+	if (pci_find_capability(device->pdev, PCI_CAP_ID_AGP) ||
+	    !nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
 		return nouveau_object_ctor(parent, engine, &nv04_vmmgr_oclass,
 					   data, size, pobject);
 	}
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 259e5f1adf4..35ac57f0aab 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -456,6 +456,7 @@ static struct ttm_tt *
 nouveau_ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size,
 		      uint32_t page_flags, struct page *dummy_read)
 {
+#if __OS_HAS_AGP
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 	struct drm_device *dev = drm->dev;
 
@@ -463,6 +464,7 @@ nouveau_ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size,
 		return ttm_agp_tt_create(bdev, dev->agp->bridge, size,
 					 page_flags, dummy_read);
 	}
+#endif
 
 	return nouveau_sgdma_create_ttm(bdev, size, page_flags, dummy_read);
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 8f98e5a8c48..86124b131f4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -290,6 +290,7 @@ nouveau_display_create(struct drm_device *dev)
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_disp *pdisp = nouveau_disp(drm->device);
 	struct nouveau_display *disp;
+	u32 pclass = dev->pdev->class >> 8;
 	int ret, gen;
 
 	disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
@@ -360,23 +361,27 @@ nouveau_display_create(struct drm_device *dev)
 	drm_kms_helper_poll_init(dev);
 	drm_kms_helper_poll_disable(dev);
 
-	if (nv_device(drm->device)->card_type < NV_50)
-		ret = nv04_display_create(dev);
-	else
-	if (nv_device(drm->device)->card_type < NV_D0)
-		ret = nv50_display_create(dev);
-	else
-		ret = nvd0_display_create(dev);
-	if (ret)
-		goto disp_create_err;
-
-	if (dev->mode_config.num_crtc) {
-		ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
+	if (nouveau_modeset == 1 ||
+	    (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) {
+		if (nv_device(drm->device)->card_type < NV_50)
+			ret = nv04_display_create(dev);
+		else
+		if (nv_device(drm->device)->card_type < NV_D0)
+			ret = nv50_display_create(dev);
+		else
+			ret = nvd0_display_create(dev);
 		if (ret)
-			goto vblank_err;
+			goto disp_create_err;
+
+		if (dev->mode_config.num_crtc) {
+			ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
+			if (ret)
+				goto vblank_err;
+		}
+
+		nouveau_backlight_init(dev);
 	}
 
-	nouveau_backlight_init(dev);
 	return 0;
 
 vblank_err:
@@ -395,7 +400,8 @@ nouveau_display_destroy(struct drm_device *dev)
 	nouveau_backlight_exit(dev);
 	drm_vblank_cleanup(dev);
 
-	disp->dtor(dev);
+	if (disp->dtor)
+		disp->dtor(dev);
 
 	drm_kms_helper_poll_fini(dev);
 	drm_mode_config_cleanup(dev);
@@ -530,9 +536,11 @@ nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
 	if (ret)
 		goto fail;
 
-	ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
-	if (ret)
-		goto fail_unreserve;
+	if (likely(old_bo != new_bo)) {
+		ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
+		if (ret)
+			goto fail_unreserve;
+	}
 
 	return 0;
 
@@ -551,8 +559,10 @@ nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
 	nouveau_bo_fence(new_bo, fence);
 	ttm_bo_unreserve(&new_bo->bo);
 
-	nouveau_bo_fence(old_bo, fence);
-	ttm_bo_unreserve(&old_bo->bo);
+	if (likely(old_bo != new_bo)) {
+		nouveau_bo_fence(old_bo, fence);
+		ttm_bo_unreserve(&old_bo->bo);
+	}
 
 	nouveau_bo_unpin(old_bo);
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index ccae8c26ae2..0910125cbbc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -63,8 +63,9 @@ MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
 static int nouveau_noaccel = 0;
 module_param_named(noaccel, nouveau_noaccel, int, 0400);
 
-MODULE_PARM_DESC(modeset, "enable driver");
-static int nouveau_modeset = -1;
+MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
+		          "0 = disabled, 1 = enabled, 2 = headless)");
+int nouveau_modeset = -1;
 module_param_named(modeset, nouveau_modeset, int, 0400);
 
 static struct drm_driver driver;
@@ -363,7 +364,8 @@ nouveau_drm_unload(struct drm_device *dev)
 
 	nouveau_pm_fini(dev);
 
-	nouveau_display_fini(dev);
+	if (dev->mode_config.num_crtc)
+		nouveau_display_fini(dev);
 	nouveau_display_destroy(dev);
 
 	nouveau_irq_fini(dev);
@@ -403,13 +405,15 @@ nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 	    pm_state.event == PM_EVENT_PRETHAW)
 		return 0;
 
-	NV_INFO(drm, "suspending fbcon...\n");
-	nouveau_fbcon_set_suspend(dev, 1);
+	if (dev->mode_config.num_crtc) {
+		NV_INFO(drm, "suspending fbcon...\n");
+		nouveau_fbcon_set_suspend(dev, 1);
 
-	NV_INFO(drm, "suspending display...\n");
-	ret = nouveau_display_suspend(dev);
-	if (ret)
-		return ret;
+		NV_INFO(drm, "suspending display...\n");
+		ret = nouveau_display_suspend(dev);
+		if (ret)
+			return ret;
+	}
 
 	NV_INFO(drm, "evicting buffers...\n");
 	ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
@@ -445,8 +449,10 @@ fail_client:
 		nouveau_client_init(&cli->base);
 	}
 
-	NV_INFO(drm, "resuming display...\n");
-	nouveau_display_resume(dev);
+	if (dev->mode_config.num_crtc) {
+		NV_INFO(drm, "resuming display...\n");
+		nouveau_display_resume(dev);
+	}
 	return ret;
 }
 
@@ -486,8 +492,10 @@ nouveau_drm_resume(struct pci_dev *pdev)
 	nouveau_irq_postinstall(dev);
 	nouveau_pm_resume(dev);
 
-	NV_INFO(drm, "resuming display...\n");
-	nouveau_display_resume(dev);
+	if (dev->mode_config.num_crtc) {
+		NV_INFO(drm, "resuming display...\n");
+		nouveau_display_resume(dev);
+	}
 	return 0;
 }
 
@@ -662,9 +670,7 @@ nouveau_drm_init(void)
 #ifdef CONFIG_VGA_CONSOLE
 		if (vgacon_text_force())
 			nouveau_modeset = 0;
-		else
 #endif
-			nouveau_modeset = 1;
 	}
 
 	if (!nouveau_modeset)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h
index 81947121754..a1016992708 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h
@@ -141,4 +141,6 @@ int nouveau_drm_resume(struct pci_dev *);
 		nv_info((cli), fmt, ##args);                                   \
 } while (0)
 
+extern int nouveau_modeset;
+
 #endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 9ca8afdb554..1d8cb506a28 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -61,13 +61,15 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 
 	nv_subdev(pmc)->intr(nv_subdev(pmc));
 
-	if (device->card_type >= NV_D0) {
-		if (nv_rd32(device, 0x000100) & 0x04000000)
-			nvd0_display_intr(dev);
-	} else
-	if (device->card_type >= NV_50) {
-		if (nv_rd32(device, 0x000100) & 0x04000000)
-			nv50_display_intr(dev);
+	if (dev->mode_config.num_crtc) {
+		if (device->card_type >= NV_D0) {
+			if (nv_rd32(device, 0x000100) & 0x04000000)
+				nvd0_display_intr(dev);
+		} else
+		if (device->card_type >= NV_50) {
+			if (nv_rd32(device, 0x000100) & 0x04000000)
+				nv50_display_intr(dev);
+		}
 	}
 
 	return IRQ_HANDLED;
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index 0bf64c90aa2..5566172774d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -52,7 +52,7 @@ nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl,
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_pm *pm = nouveau_pm(dev);
-	struct nouveau_therm *therm = nouveau_therm(drm);
+	struct nouveau_therm *therm = nouveau_therm(drm->device);
 	int ret;
 
 	/*XXX: not on all boards, we should control based on temperature
@@ -64,7 +64,6 @@ nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl,
 		ret = therm->fan_set(therm, perflvl->fanspeed);
 		if (ret && ret != -ENODEV) {
 			NV_ERROR(drm, "fanspeed set failed: %d\n", ret);
-			return ret;
 		}
 	}
 
@@ -706,8 +705,7 @@ nouveau_hwmon_init(struct drm_device *dev)
 	struct device *hwmon_dev;
 	int ret = 0;
 
-	if (!therm || !therm->temp_get || !therm->attr_get ||
-		!therm->attr_set || therm->temp_get(therm) < 0)
+	if (!therm || !therm->temp_get || !therm->attr_get || !therm->attr_set)
 		return -ENODEV;
 
 	hwmon_dev = hwmon_device_register(&dev->pdev->dev);
diff --git a/drivers/gpu/drm/nouveau/nv04_dac.c b/drivers/gpu/drm/nouveau/nv04_dac.c
index 347a3bd78d0..64f7020fb60 100644
--- a/drivers/gpu/drm/nouveau/nv04_dac.c
+++ b/drivers/gpu/drm/nouveau/nv04_dac.c
@@ -220,7 +220,7 @@ out:
 	NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode);
 
 	if (blue == 0x18) {
-		NV_INFO(drm, "Load detected on head A\n");
+		NV_DEBUG(drm, "Load detected on head A\n");
 		return connector_status_connected;
 	}
 
@@ -338,8 +338,8 @@ nv17_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
 
 	if (nv17_dac_sample_load(encoder) &
 	    NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI) {
-		NV_INFO(drm, "Load detected on output %c\n",
-			'@' + ffs(dcb->or));
+		NV_DEBUG(drm, "Load detected on output %c\n",
+			 '@' + ffs(dcb->or));
 		return connector_status_connected;
 	} else {
 		return connector_status_disconnected;
@@ -413,9 +413,9 @@ static void nv04_dac_commit(struct drm_encoder *encoder)
 
 	helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
-	NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
-		drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
-		nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
+	NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+		 drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
+		 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
 }
 
 void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable)
@@ -461,8 +461,8 @@ static void nv04_dac_dpms(struct drm_encoder *encoder, int mode)
 		return;
 	nv_encoder->last_dpms = mode;
 
-	NV_INFO(drm, "Setting dpms mode %d on vga encoder (output %d)\n",
-		     mode, nv_encoder->dcb->index);
+	NV_DEBUG(drm, "Setting dpms mode %d on vga encoder (output %d)\n",
+		 mode, nv_encoder->dcb->index);
 
 	nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
 }
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c
index da55d7642c8..184cdf80676 100644
--- a/drivers/gpu/drm/nouveau/nv04_dfp.c
+++ b/drivers/gpu/drm/nouveau/nv04_dfp.c
@@ -476,9 +476,9 @@ static void nv04_dfp_commit(struct drm_encoder *encoder)
 
 	helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
-	NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
-		drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
-		nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
+	NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+		 drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
+		 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
 }
 
 static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode)
@@ -520,8 +520,8 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode)
 		return;
 	nv_encoder->last_dpms = mode;
 
-	NV_INFO(drm, "Setting dpms mode %d on lvds encoder (output %d)\n",
-		     mode, nv_encoder->dcb->index);
+	NV_DEBUG(drm, "Setting dpms mode %d on lvds encoder (output %d)\n",
+		 mode, nv_encoder->dcb->index);
 
 	if (was_powersaving && is_powersaving_dpms(mode))
 		return;
@@ -565,8 +565,8 @@ static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode)
 		return;
 	nv_encoder->last_dpms = mode;
 
-	NV_INFO(drm, "Setting dpms mode %d on tmds encoder (output %d)\n",
-		     mode, nv_encoder->dcb->index);
+	NV_DEBUG(drm, "Setting dpms mode %d on tmds encoder (output %d)\n",
+		 mode, nv_encoder->dcb->index);
 
 	nv04_dfp_update_backlight(encoder, mode);
 	nv04_dfp_update_fp_control(encoder, mode);
diff --git a/drivers/gpu/drm/nouveau/nv04_tv.c b/drivers/gpu/drm/nouveau/nv04_tv.c
index 099fbeda6e2..62e826a139b 100644
--- a/drivers/gpu/drm/nouveau/nv04_tv.c
+++ b/drivers/gpu/drm/nouveau/nv04_tv.c
@@ -75,8 +75,8 @@ static void nv04_tv_dpms(struct drm_encoder *encoder, int mode)
 	struct nv04_mode_state *state = &nv04_display(dev)->mode_reg;
 	uint8_t crtc1A;
 
-	NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
-		mode, nv_encoder->dcb->index);
+	NV_DEBUG(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
+		 mode, nv_encoder->dcb->index);
 
 	state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK);
 
@@ -167,9 +167,8 @@ static void nv04_tv_commit(struct drm_encoder *encoder)
 
 	helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
-	NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
-		      drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index,
-		      '@' + ffs(nv_encoder->dcb->or));
+	NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+		 drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
 }
 
 static void nv04_tv_destroy(struct drm_encoder *encoder)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 96184d02c8d..2e566e123e9 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1690,10 +1690,10 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
 		}
 		/* all other cases */
 		pll_in_use = radeon_get_pll_use_mask(crtc);
-		if (!(pll_in_use & (1 << ATOM_PPLL2)))
-			return ATOM_PPLL2;
 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
 			return ATOM_PPLL1;
+		if (!(pll_in_use & (1 << ATOM_PPLL2)))
+			return ATOM_PPLL2;
 		DRM_ERROR("unable to allocate a PPLL\n");
 		return ATOM_PPLL_INVALID;
 	} else {
@@ -1715,10 +1715,10 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
 			}
 			/* all other cases */
 			pll_in_use = radeon_get_pll_use_mask(crtc);
-			if (!(pll_in_use & (1 << ATOM_PPLL2)))
-				return ATOM_PPLL2;
 			if (!(pll_in_use & (1 << ATOM_PPLL1)))
 				return ATOM_PPLL1;
+			if (!(pll_in_use & (1 << ATOM_PPLL2)))
+				return ATOM_PPLL2;
 			DRM_ERROR("unable to allocate a PPLL\n");
 			return ATOM_PPLL_INVALID;
 		} else {
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 49cbb3795a1..ba498f8e47a 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -184,6 +184,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
 	struct radeon_backlight_privdata *pdata;
 	struct radeon_encoder_atom_dig *dig;
 	u8 backlight_level;
+	char bl_name[16];
 
 	if (!radeon_encoder->enc_priv)
 		return;
@@ -203,7 +204,9 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
 	memset(&props, 0, sizeof(props));
 	props.max_brightness = RADEON_MAX_BL_LEVEL;
 	props.type = BACKLIGHT_RAW;
-	bd = backlight_device_register("radeon_bl", &drm_connector->kdev,
+	snprintf(bl_name, sizeof(bl_name),
+		 "radeon_bl%d", dev->primary->index);
+	bd = backlight_device_register(bl_name, &drm_connector->kdev,
 				       pdata, &radeon_atom_backlight_ops, &props);
 	if (IS_ERR(bd)) {
 		DRM_ERROR("Backlight registration failed\n");
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index a1f49c5fd74..14313ad43b7 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3431,9 +3431,14 @@ void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
 	if (!(mask & DRM_PCIE_SPEED_50))
 		return;
 
+	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+	if (speed_cntl & LC_CURRENT_DATA_RATE) {
+		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
+		return;
+	}
+
 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
 
-	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
 
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 573ed1bc6cf..95e6318b626 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -264,7 +264,7 @@ static int evergreen_surface_check_2d(struct radeon_cs_parser *p,
 	/* macro tile width & height */
 	palign = (8 * surf->bankw * track->npipes) * surf->mtilea;
 	halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea;
-	mtileb = (palign / 8) * (halign / 8) * tileb;;
+	mtileb = (palign / 8) * (halign / 8) * tileb;
 	mtile_pr = surf->nbx / palign;
 	mtile_ps = (mtile_pr * surf->nby) / halign;
 	surf->layer_size = mtile_ps * mtileb * slice_pt;
@@ -2829,6 +2829,7 @@ static bool evergreen_vm_reg_valid(u32 reg)
 	case CAYMAN_SQ_EX_ALLOC_TABLE_SLOTS:
 		return true;
 	default:
+		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
 		return false;
 	}
 }
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 8bcb554ea0c..81e6a568c29 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -770,9 +770,13 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
 	WREG32(0x15DC, 0);
 
 	/* empty context1-7 */
+	/* Assign the pt base to something valid for now; the pts used for
+	 * the VMs are determined by the application and setup and assigned
+	 * on the fly in the vm part of radeon_gart.c
+	 */
 	for (i = 1; i < 8; i++) {
 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
-		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
+		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
 			rdev->gart.table_addr >> 12);
 	}
@@ -1534,26 +1538,31 @@ void cayman_vm_set_page(struct radeon_device *rdev, uint64_t pe,
 {
 	struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index];
 	uint32_t r600_flags = cayman_vm_page_flags(rdev, flags);
-	int i;
 
-	radeon_ring_write(ring, PACKET3(PACKET3_ME_WRITE, 1 + count * 2));
-	radeon_ring_write(ring, pe);
-	radeon_ring_write(ring, upper_32_bits(pe) & 0xff);
-	for (i = 0; i < count; ++i) {
-		uint64_t value = 0;
-		if (flags & RADEON_VM_PAGE_SYSTEM) {
-			value = radeon_vm_map_gart(rdev, addr);
-			value &= 0xFFFFFFFFFFFFF000ULL;
-			addr += incr;
-
-		} else if (flags & RADEON_VM_PAGE_VALID) {
-			value = addr;
-			addr += incr;
-		}
+	while (count) {
+		unsigned ndw = 1 + count * 2;
+		if (ndw > 0x3FFF)
+			ndw = 0x3FFF;
+
+		radeon_ring_write(ring, PACKET3(PACKET3_ME_WRITE, ndw));
+		radeon_ring_write(ring, pe);
+		radeon_ring_write(ring, upper_32_bits(pe) & 0xff);
+		for (; ndw > 1; ndw -= 2, --count, pe += 8) {
+			uint64_t value = 0;
+			if (flags & RADEON_VM_PAGE_SYSTEM) {
+				value = radeon_vm_map_gart(rdev, addr);
+				value &= 0xFFFFFFFFFFFFF000ULL;
+				addr += incr;
+
+			} else if (flags & RADEON_VM_PAGE_VALID) {
+				value = addr;
+				addr += incr;
+			}
 
-		value |= r600_flags;
-		radeon_ring_write(ring, value);
-		radeon_ring_write(ring, upper_32_bits(value));
+			value |= r600_flags;
+			radeon_ring_write(ring, value);
+			radeon_ring_write(ring, upper_32_bits(value));
+		}
 	}
 }
 
@@ -1572,12 +1581,6 @@ void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 	if (vm == NULL)
 		return;
 
-	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0));
-	radeon_ring_write(ring, 0);
-
-	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0));
-	radeon_ring_write(ring, vm->last_pfn);
-
 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
 
@@ -1588,4 +1591,8 @@ void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 	/* bits 0-7 are the VM contexts0-7 */
 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
 	radeon_ring_write(ring, 1 << vm->id);
+
+	/* sync PFP to ME, otherwise we might get invalid PFP reads */
+	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+	radeon_ring_write(ring, 0x0);
 }
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index 2423d1b5d38..cbef6815907 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -502,6 +502,7 @@
 #define	PACKET3_MPEG_INDEX				0x3A
 #define	PACKET3_WAIT_REG_MEM				0x3C
 #define	PACKET3_MEM_WRITE				0x3D
+#define	PACKET3_PFP_SYNC_ME				0x42
 #define	PACKET3_SURFACE_SYNC				0x43
 #              define PACKET3_CB0_DEST_BASE_ENA    (1 << 6)
 #              define PACKET3_CB1_DEST_BASE_ENA    (1 << 7)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 70c800ff619..cda280d157d 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -3703,6 +3703,12 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev)
 	if (!(mask & DRM_PCIE_SPEED_50))
 		return;
 
+	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+	if (speed_cntl & LC_CURRENT_DATA_RATE) {
+		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
+		return;
+	}
+
 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
 
 	/* 55 nm r6xx asics */
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b04c06444d8..8c42d54c2e2 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -663,9 +663,14 @@ struct radeon_vm {
 	struct list_head		list;
 	struct list_head		va;
 	unsigned			id;
-	unsigned			last_pfn;
-	u64				pd_gpu_addr;
-	struct radeon_sa_bo		*sa_bo;
+
+	/* contains the page directory */
+	struct radeon_sa_bo		*page_directory;
+	uint64_t			pd_gpu_addr;
+
+	/* array of page tables, one for each page directory entry */
+	struct radeon_sa_bo		**page_tables;
+
 	struct mutex			mutex;
 	/* last fence for cs using this vm */
 	struct radeon_fence		*fence;
@@ -1843,9 +1848,10 @@ extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size
  */
 int radeon_vm_manager_init(struct radeon_device *rdev);
 void radeon_vm_manager_fini(struct radeon_device *rdev);
-int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
+void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
 int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm);
+void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm);
 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
 				       struct radeon_vm *vm, int ring);
 void radeon_vm_fence(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index b0a5688c67f..196d28d9957 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -201,7 +201,7 @@ static int radeon_atif_verify_interface(acpi_handle handle,
 
 	size = *(u16 *) info->buffer.pointer;
 	if (size < 12) {
-		DRM_INFO("ATIF buffer is too small: %lu\n", size);
+		DRM_INFO("ATIF buffer is too small: %zu\n", size);
 		err = -EINVAL;
 		goto out;
 	}
@@ -370,6 +370,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
 
 			radeon_set_backlight_level(rdev, enc, req.backlight_level);
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 			if (rdev->is_atom_bios) {
 				struct radeon_encoder_atom_dig *dig = enc->enc_priv;
 				backlight_force_update(dig->bl_dev,
@@ -379,6 +380,7 @@ int radeon_atif_handler(struct radeon_device *rdev,
 				backlight_force_update(dig->bl_dev,
 						       BACKLIGHT_UPDATE_HOTKEY);
 			}
+#endif
 		}
 	}
 	/* TODO: check other events */
@@ -485,7 +487,7 @@ static int radeon_atcs_verify_interface(acpi_handle handle,
 
 	size = *(u16 *) info->buffer.pointer;
 	if (size < 8) {
-		DRM_INFO("ATCS buffer is too small: %lu\n", size);
+		DRM_INFO("ATCS buffer is too small: %zu\n", size);
 		err = -EINVAL;
 		goto out;
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 582e99449c1..15f5ded65e0 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -87,7 +87,7 @@ static union acpi_object *radeon_atpx_call(acpi_handle handle, int function,
 		atpx_arg_elements[1].integer.value = 0;
 	}
 
-	status = acpi_evaluate_object(handle, "ATPX", &atpx_arg, &buffer);
+	status = acpi_evaluate_object(handle, NULL, &atpx_arg, &buffer);
 
 	/* Fail only if calling the method fails and ATPX is supported */
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
@@ -148,7 +148,7 @@ static int radeon_atpx_verify_interface(struct radeon_atpx *atpx)
 
 	size = *(u16 *) info->buffer.pointer;
 	if (size < 8) {
-		printk("ATPX buffer is too small: %lu\n", size);
+		printk("ATPX buffer is too small: %zu\n", size);
 		err = -EINVAL;
 		goto out;
 	}
@@ -352,9 +352,9 @@ static int radeon_atpx_switchto(enum vga_switcheroo_client_id id)
 }
 
 /**
- * radeon_atpx_switchto - switch to the requested GPU
+ * radeon_atpx_power_state - power down/up the requested GPU
  *
- * @id: GPU to switch to
+ * @id: GPU to power down/up
  * @state: requested power state (0 = off, 1 = on)
  *
  * Execute the necessary ATPX function to power down/up the discrete GPU
@@ -373,11 +373,11 @@ static int radeon_atpx_power_state(enum vga_switcheroo_client_id id,
 }
 
 /**
- * radeon_atpx_pci_probe_handle - look up the ATRM and ATPX handles
+ * radeon_atpx_pci_probe_handle - look up the ATPX handle
  *
  * @pdev: pci device
  *
- * Look up the ATPX and ATRM handles (all asics).
+ * Look up the ATPX handles (all asics).
  * Returns true if the handles are found, false if not.
  */
 static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 67cfc1795ec..b884c362a8c 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -941,7 +941,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 	struct drm_mode_object *obj;
 	int i;
 	enum drm_connector_status ret = connector_status_disconnected;
-	bool dret = false;
+	bool dret = false, broken_edid = false;
 
 	if (!force && radeon_check_hpd_status_unchanged(connector))
 		return connector->status;
@@ -965,6 +965,9 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 				ret = connector_status_disconnected;
 				DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
 				radeon_connector->ddc_bus = NULL;
+			} else {
+				ret = connector_status_connected;
+				broken_edid = true; /* defer use_digital to later */
 			}
 		} else {
 			radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
@@ -1047,13 +1050,24 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 
 			encoder_funcs = encoder->helper_private;
 			if (encoder_funcs->detect) {
-				if (ret != connector_status_connected) {
-					ret = encoder_funcs->detect(encoder, connector);
-					if (ret == connector_status_connected) {
-						radeon_connector->use_digital = false;
+				if (!broken_edid) {
+					if (ret != connector_status_connected) {
+						/* deal with analog monitors without DDC */
+						ret = encoder_funcs->detect(encoder, connector);
+						if (ret == connector_status_connected) {
+							radeon_connector->use_digital = false;
+						}
+						if (ret != connector_status_disconnected)
+							radeon_connector->detected_by_load = true;
 					}
-					if (ret != connector_status_disconnected)
-						radeon_connector->detected_by_load = true;
+				} else {
+					enum drm_connector_status lret;
+					/* assume digital unless load detected otherwise */
+					radeon_connector->use_digital = true;
+					lret = encoder_funcs->detect(encoder, connector);
+					DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
+					if (lret == connector_status_connected)
+						radeon_connector->use_digital = false;
 				}
 				break;
 			}
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index cb7b7c062fe..41672cc563f 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -478,6 +478,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 	}
 
 out:
+	radeon_vm_add_to_lru(rdev, vm);
 	mutex_unlock(&vm->mutex);
 	mutex_unlock(&rdev->vm_manager.lock);
 	return r;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 64a42647f08..e2f5f888c37 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -355,6 +355,8 @@ int radeon_wb_init(struct radeon_device *rdev)
  */
 void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base)
 {
+	uint64_t limit = (uint64_t)radeon_vram_limit << 20;
+
 	mc->vram_start = base;
 	if (mc->mc_vram_size > (0xFFFFFFFF - base + 1)) {
 		dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n");
@@ -368,8 +370,8 @@ void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64
 		mc->mc_vram_size = mc->aper_size;
 	}
 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
-	if (radeon_vram_limit && radeon_vram_limit < mc->real_vram_size)
-		mc->real_vram_size = radeon_vram_limit;
+	if (limit && limit < mc->real_vram_size)
+		mc->real_vram_size = limit;
 	dev_info(rdev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n",
 			mc->mc_vram_size >> 20, mc->vram_start,
 			mc->vram_end, mc->real_vram_size >> 20);
@@ -835,6 +837,19 @@ static unsigned int radeon_vga_set_decode(void *cookie, bool state)
 }
 
 /**
+ * radeon_check_pot_argument - check that argument is a power of two
+ *
+ * @arg: value to check
+ *
+ * Validates that a certain argument is a power of two (all asics).
+ * Returns true if argument is valid.
+ */
+static bool radeon_check_pot_argument(int arg)
+{
+	return (arg & (arg - 1)) == 0;
+}
+
+/**
  * radeon_check_arguments - validate module params
  *
  * @rdev: radeon_device pointer
@@ -845,52 +860,25 @@ static unsigned int radeon_vga_set_decode(void *cookie, bool state)
 static void radeon_check_arguments(struct radeon_device *rdev)
 {
 	/* vramlimit must be a power of two */
-	switch (radeon_vram_limit) {
-	case 0:
-	case 4:
-	case 8:
-	case 16:
-	case 32:
-	case 64:
-	case 128:
-	case 256:
-	case 512:
-	case 1024:
-	case 2048:
-	case 4096:
-		break;
-	default:
+	if (!radeon_check_pot_argument(radeon_vram_limit)) {
 		dev_warn(rdev->dev, "vram limit (%d) must be a power of 2\n",
 				radeon_vram_limit);
 		radeon_vram_limit = 0;
-		break;
 	}
-	radeon_vram_limit = radeon_vram_limit << 20;
+
 	/* gtt size must be power of two and greater or equal to 32M */
-	switch (radeon_gart_size) {
-	case 4:
-	case 8:
-	case 16:
+	if (radeon_gart_size < 32) {
 		dev_warn(rdev->dev, "gart size (%d) too small forcing to 512M\n",
 				radeon_gart_size);
 		radeon_gart_size = 512;
-		break;
-	case 32:
-	case 64:
-	case 128:
-	case 256:
-	case 512:
-	case 1024:
-	case 2048:
-	case 4096:
-		break;
-	default:
+
+	} else if (!radeon_check_pot_argument(radeon_gart_size)) {
 		dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n",
 				radeon_gart_size);
 		radeon_gart_size = 512;
-		break;
 	}
-	rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
+	rdev->mc.gtt_size = (uint64_t)radeon_gart_size << 20;
+
 	/* AGP mode can only be -1, 1, 2, 4, 8 */
 	switch (radeon_agpmode) {
 	case -1:
@@ -1018,6 +1006,10 @@ int radeon_device_init(struct radeon_device *rdev,
 		return r;
 	/* initialize vm here */
 	mutex_init(&rdev->vm_manager.lock);
+	/* Adjust VM size here.
+	 * Currently set to 4GB ((1 << 20) 4k pages).
+	 * Max GPUVM size for cayman and SI is 40 bits.
+	 */
 	rdev->vm_manager.max_pfn = 1 << 20;
 	INIT_LIST_HEAD(&rdev->vm_manager.lru_vm);
 
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index f0c06d196b7..4debd60e5aa 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -355,14 +355,13 @@ int radeon_gart_init(struct radeon_device *rdev)
 	DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n",
 		 rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages);
 	/* Allocate pages table */
-	rdev->gart.pages = kzalloc(sizeof(void *) * rdev->gart.num_cpu_pages,
-				   GFP_KERNEL);
+	rdev->gart.pages = vzalloc(sizeof(void *) * rdev->gart.num_cpu_pages);
 	if (rdev->gart.pages == NULL) {
 		radeon_gart_fini(rdev);
 		return -ENOMEM;
 	}
-	rdev->gart.pages_addr = kzalloc(sizeof(dma_addr_t) *
-					rdev->gart.num_cpu_pages, GFP_KERNEL);
+	rdev->gart.pages_addr = vzalloc(sizeof(dma_addr_t) *
+					rdev->gart.num_cpu_pages);
 	if (rdev->gart.pages_addr == NULL) {
 		radeon_gart_fini(rdev);
 		return -ENOMEM;
@@ -388,8 +387,8 @@ void radeon_gart_fini(struct radeon_device *rdev)
 		radeon_gart_unbind(rdev, 0, rdev->gart.num_cpu_pages);
 	}
 	rdev->gart.ready = false;
-	kfree(rdev->gart.pages);
-	kfree(rdev->gart.pages_addr);
+	vfree(rdev->gart.pages);
+	vfree(rdev->gart.pages_addr);
 	rdev->gart.pages = NULL;
 	rdev->gart.pages_addr = NULL;
 
@@ -423,6 +422,18 @@ void radeon_gart_fini(struct radeon_device *rdev)
  */
 
 /**
+ * radeon_vm_num_pde - return the number of page directory entries
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Calculate the number of page directory entries (cayman+).
+ */
+static unsigned radeon_vm_num_pdes(struct radeon_device *rdev)
+{
+	return rdev->vm_manager.max_pfn >> RADEON_VM_BLOCK_SIZE;
+}
+
+/**
  * radeon_vm_directory_size - returns the size of the page directory in bytes
  *
  * @rdev: radeon_device pointer
@@ -431,7 +442,7 @@ void radeon_gart_fini(struct radeon_device *rdev)
  */
 static unsigned radeon_vm_directory_size(struct radeon_device *rdev)
 {
-	return (rdev->vm_manager.max_pfn >> RADEON_VM_BLOCK_SIZE) * 8;
+	return RADEON_GPU_PAGE_ALIGN(radeon_vm_num_pdes(rdev) * 8);
 }
 
 /**
@@ -451,11 +462,11 @@ int radeon_vm_manager_init(struct radeon_device *rdev)
 
 	if (!rdev->vm_manager.enabled) {
 		/* allocate enough for 2 full VM pts */
-		size = RADEON_GPU_PAGE_ALIGN(radeon_vm_directory_size(rdev));
-		size += RADEON_GPU_PAGE_ALIGN(rdev->vm_manager.max_pfn * 8);
+		size = radeon_vm_directory_size(rdev);
+		size += rdev->vm_manager.max_pfn * 8;
 		size *= 2;
 		r = radeon_sa_bo_manager_init(rdev, &rdev->vm_manager.sa_manager,
-					      size,
+					      RADEON_GPU_PAGE_ALIGN(size),
 					      RADEON_GEM_DOMAIN_VRAM);
 		if (r) {
 			dev_err(rdev->dev, "failed to allocate vm bo (%dKB)\n",
@@ -476,7 +487,7 @@ int radeon_vm_manager_init(struct radeon_device *rdev)
 
 	/* restore page table */
 	list_for_each_entry(vm, &rdev->vm_manager.lru_vm, list) {
-		if (vm->sa_bo == NULL)
+		if (vm->page_directory == NULL)
 			continue;
 
 		list_for_each_entry(bo_va, &vm->va, vm_list) {
@@ -500,16 +511,25 @@ static void radeon_vm_free_pt(struct radeon_device *rdev,
 				    struct radeon_vm *vm)
 {
 	struct radeon_bo_va *bo_va;
+	int i;
 
-	if (!vm->sa_bo)
+	if (!vm->page_directory)
 		return;
 
 	list_del_init(&vm->list);
-	radeon_sa_bo_free(rdev, &vm->sa_bo, vm->fence);
+	radeon_sa_bo_free(rdev, &vm->page_directory, vm->fence);
 
 	list_for_each_entry(bo_va, &vm->va, vm_list) {
 		bo_va->valid = false;
 	}
+
+	if (vm->page_tables == NULL)
+		return;
+
+	for (i = 0; i < radeon_vm_num_pdes(rdev); i++)
+		radeon_sa_bo_free(rdev, &vm->page_tables[i], vm->fence);
+
+	kfree(vm->page_tables);
 }
 
 /**
@@ -546,63 +566,106 @@ void radeon_vm_manager_fini(struct radeon_device *rdev)
 }
 
 /**
+ * radeon_vm_evict - evict page table to make room for new one
+ *
+ * @rdev: radeon_device pointer
+ * @vm: VM we want to allocate something for
+ *
+ * Evict a VM from the lru, making sure that it isn't @vm. (cayman+).
+ * Returns 0 for success, -ENOMEM for failure.
+ *
+ * Global and local mutex must be locked!
+ */
+static int radeon_vm_evict(struct radeon_device *rdev, struct radeon_vm *vm)
+{
+	struct radeon_vm *vm_evict;
+
+	if (list_empty(&rdev->vm_manager.lru_vm))
+		return -ENOMEM;
+
+	vm_evict = list_first_entry(&rdev->vm_manager.lru_vm,
+				    struct radeon_vm, list);
+	if (vm_evict == vm)
+		return -ENOMEM;
+
+	mutex_lock(&vm_evict->mutex);
+	radeon_vm_free_pt(rdev, vm_evict);
+	mutex_unlock(&vm_evict->mutex);
+	return 0;
+}
+
+/**
  * radeon_vm_alloc_pt - allocates a page table for a VM
  *
  * @rdev: radeon_device pointer
  * @vm: vm to bind
  *
  * Allocate a page table for the requested vm (cayman+).
- * Also starts to populate the page table.
  * Returns 0 for success, error for failure.
  *
  * Global and local mutex must be locked!
  */
 int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm)
 {
-	struct radeon_vm *vm_evict;
-	int r;
+	unsigned pd_size, pts_size;
 	u64 *pd_addr;
-	int tables_size;
+	int r;
 
 	if (vm == NULL) {
 		return -EINVAL;
 	}
 
-	/* allocate enough to cover the current VM size */
-	tables_size = RADEON_GPU_PAGE_ALIGN(radeon_vm_directory_size(rdev));
-	tables_size += RADEON_GPU_PAGE_ALIGN(vm->last_pfn * 8);
-
-	if (vm->sa_bo != NULL) {
-		/* update lru */
-		list_del_init(&vm->list);
-		list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
+	if (vm->page_directory != NULL) {
 		return 0;
 	}
 
 retry:
-	r = radeon_sa_bo_new(rdev, &rdev->vm_manager.sa_manager, &vm->sa_bo,
-			     tables_size, RADEON_GPU_PAGE_SIZE, false);
+	pd_size = RADEON_GPU_PAGE_ALIGN(radeon_vm_directory_size(rdev));
+	r = radeon_sa_bo_new(rdev, &rdev->vm_manager.sa_manager,
+			     &vm->page_directory, pd_size,
+			     RADEON_GPU_PAGE_SIZE, false);
 	if (r == -ENOMEM) {
-		if (list_empty(&rdev->vm_manager.lru_vm)) {
+		r = radeon_vm_evict(rdev, vm);
+		if (r)
 			return r;
-		}
-		vm_evict = list_first_entry(&rdev->vm_manager.lru_vm, struct radeon_vm, list);
-		mutex_lock(&vm_evict->mutex);
-		radeon_vm_free_pt(rdev, vm_evict);
-		mutex_unlock(&vm_evict->mutex);
 		goto retry;
 
 	} else if (r) {
 		return r;
 	}
 
-	pd_addr = radeon_sa_bo_cpu_addr(vm->sa_bo);
-	vm->pd_gpu_addr = radeon_sa_bo_gpu_addr(vm->sa_bo);
-	memset(pd_addr, 0, tables_size);
+	vm->pd_gpu_addr = radeon_sa_bo_gpu_addr(vm->page_directory);
+
+	/* Initially clear the page directory */
+	pd_addr = radeon_sa_bo_cpu_addr(vm->page_directory);
+	memset(pd_addr, 0, pd_size);
+
+	pts_size = radeon_vm_num_pdes(rdev) * sizeof(struct radeon_sa_bo *);
+	vm->page_tables = kzalloc(pts_size, GFP_KERNEL);
+
+	if (vm->page_tables == NULL) {
+		DRM_ERROR("Cannot allocate memory for page table array\n");
+		radeon_sa_bo_free(rdev, &vm->page_directory, vm->fence);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
 
+/**
+ * radeon_vm_add_to_lru - add VMs page table to LRU list
+ *
+ * @rdev: radeon_device pointer
+ * @vm: vm to add to LRU
+ *
+ * Add the allocated page table to the LRU list (cayman+).
+ *
+ * Global mutex must be locked!
+ */
+void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm)
+{
+	list_del_init(&vm->list);
 	list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
-	return radeon_vm_bo_update_pte(rdev, vm, rdev->ring_tmp_bo.bo,
-				       &rdev->ring_tmp_bo.bo->tbo.mem);
 }
 
 /**
@@ -793,20 +856,6 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
 	}
 
 	mutex_lock(&vm->mutex);
-	if (last_pfn > vm->last_pfn) {
-		/* release mutex and lock in right order */
-		mutex_unlock(&vm->mutex);
-		mutex_lock(&rdev->vm_manager.lock);
-		mutex_lock(&vm->mutex);
-		/* and check again */
-		if (last_pfn > vm->last_pfn) {
-			/* grow va space 32M by 32M */
-			unsigned align = ((32 << 20) >> 12) - 1;
-			radeon_vm_free_pt(rdev, vm);
-			vm->last_pfn = (last_pfn + align) & ~align;
-		}
-		mutex_unlock(&rdev->vm_manager.lock);
-	}
 	head = &vm->va;
 	last_offset = 0;
 	list_for_each_entry(tmp, &vm->va, vm_list) {
@@ -865,6 +914,154 @@ uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr)
 }
 
 /**
+ * radeon_vm_update_pdes - make sure that page directory is valid
+ *
+ * @rdev: radeon_device pointer
+ * @vm: requested vm
+ * @start: start of GPU address range
+ * @end: end of GPU address range
+ *
+ * Allocates new page tables if necessary
+ * and updates the page directory (cayman+).
+ * Returns 0 for success, error for failure.
+ *
+ * Global and local mutex must be locked!
+ */
+static int radeon_vm_update_pdes(struct radeon_device *rdev,
+				 struct radeon_vm *vm,
+				 uint64_t start, uint64_t end)
+{
+	static const uint32_t incr = RADEON_VM_PTE_COUNT * 8;
+
+	uint64_t last_pde = ~0, last_pt = ~0;
+	unsigned count = 0;
+	uint64_t pt_idx;
+	int r;
+
+	start = (start / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE;
+	end = (end / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE;
+
+	/* walk over the address space and update the page directory */
+	for (pt_idx = start; pt_idx <= end; ++pt_idx) {
+		uint64_t pde, pt;
+
+		if (vm->page_tables[pt_idx])
+			continue;
+
+retry:
+		r = radeon_sa_bo_new(rdev, &rdev->vm_manager.sa_manager,
+				     &vm->page_tables[pt_idx],
+				     RADEON_VM_PTE_COUNT * 8,
+				     RADEON_GPU_PAGE_SIZE, false);
+
+		if (r == -ENOMEM) {
+			r = radeon_vm_evict(rdev, vm);
+			if (r)
+				return r;
+			goto retry;
+		} else if (r) {
+			return r;
+		}
+
+		pde = vm->pd_gpu_addr + pt_idx * 8;
+
+		pt = radeon_sa_bo_gpu_addr(vm->page_tables[pt_idx]);
+
+		if (((last_pde + 8 * count) != pde) ||
+		    ((last_pt + incr * count) != pt)) {
+
+			if (count) {
+				radeon_asic_vm_set_page(rdev, last_pde,
+							last_pt, count, incr,
+							RADEON_VM_PAGE_VALID);
+			}
+
+			count = 1;
+			last_pde = pde;
+			last_pt = pt;
+		} else {
+			++count;
+		}
+	}
+
+	if (count) {
+		radeon_asic_vm_set_page(rdev, last_pde, last_pt, count,
+					incr, RADEON_VM_PAGE_VALID);
+
+	}
+
+	return 0;
+}
+
+/**
+ * radeon_vm_update_ptes - make sure that page tables are valid
+ *
+ * @rdev: radeon_device pointer
+ * @vm: requested vm
+ * @start: start of GPU address range
+ * @end: end of GPU address range
+ * @dst: destination address to map to
+ * @flags: mapping flags
+ *
+ * Update the page tables in the range @start - @end (cayman+).
+ *
+ * Global and local mutex must be locked!
+ */
+static void radeon_vm_update_ptes(struct radeon_device *rdev,
+				  struct radeon_vm *vm,
+				  uint64_t start, uint64_t end,
+				  uint64_t dst, uint32_t flags)
+{
+	static const uint64_t mask = RADEON_VM_PTE_COUNT - 1;
+
+	uint64_t last_pte = ~0, last_dst = ~0;
+	unsigned count = 0;
+	uint64_t addr;
+
+	start = start / RADEON_GPU_PAGE_SIZE;
+	end = end / RADEON_GPU_PAGE_SIZE;
+
+	/* walk over the address space and update the page tables */
+	for (addr = start; addr < end; ) {
+		uint64_t pt_idx = addr >> RADEON_VM_BLOCK_SIZE;
+		unsigned nptes;
+		uint64_t pte;
+
+		if ((addr & ~mask) == (end & ~mask))
+			nptes = end - addr;
+		else
+			nptes = RADEON_VM_PTE_COUNT - (addr & mask);
+
+		pte = radeon_sa_bo_gpu_addr(vm->page_tables[pt_idx]);
+		pte += (addr & mask) * 8;
+
+		if ((last_pte + 8 * count) != pte) {
+
+			if (count) {
+				radeon_asic_vm_set_page(rdev, last_pte,
+							last_dst, count,
+							RADEON_GPU_PAGE_SIZE,
+							flags);
+			}
+
+			count = nptes;
+			last_pte = pte;
+			last_dst = dst;
+		} else {
+			count += nptes;
+		}
+
+		addr += nptes;
+		dst += nptes * RADEON_GPU_PAGE_SIZE;
+	}
+
+	if (count) {
+		radeon_asic_vm_set_page(rdev, last_pte,	last_dst, count,
+					RADEON_GPU_PAGE_SIZE, flags);
+	}
+}
+
+/**
  * radeon_vm_bo_update_pte - map a bo into the vm page table
  *
  * @rdev: radeon_device pointer
@@ -887,12 +1084,11 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 	struct radeon_semaphore *sem = NULL;
 	struct radeon_bo_va *bo_va;
 	unsigned nptes, npdes, ndw;
-	uint64_t pe, addr;
-	uint64_t pfn;
+	uint64_t addr;
 	int r;
 
 	/* nothing to do if vm isn't bound */
-	if (vm->sa_bo == NULL)
+	if (vm->page_directory == NULL)
 		return 0;
 
 	bo_va = radeon_vm_bo_find(vm, bo);
@@ -939,25 +1135,29 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 		}
 	}
 
-	/* estimate number of dw needed */
-	/* reserve space for 32-bit padding */
-	ndw = 32;
-
 	nptes = radeon_bo_ngpu_pages(bo);
 
-	pfn = (bo_va->soffset / RADEON_GPU_PAGE_SIZE);
+	/* assume two extra pdes in case the mapping overlaps the borders */
+	npdes = (nptes >> RADEON_VM_BLOCK_SIZE) + 2;
 
-	/* handle cases where a bo spans several pdes  */
-	npdes = (ALIGN(pfn + nptes, RADEON_VM_PTE_COUNT) -
-		 (pfn & ~(RADEON_VM_PTE_COUNT - 1))) >> RADEON_VM_BLOCK_SIZE;
+	/* estimate number of dw needed */
+	/* semaphore, fence and padding */
+	ndw = 32;
+
+	if (RADEON_VM_BLOCK_SIZE > 11)
+		/* reserve space for one header for every 2k dwords */
+		ndw += (nptes >> 11) * 4;
+	else
+		/* reserve space for one header for
+		    every (1 << BLOCK_SIZE) entries */
+		ndw += (nptes >> RADEON_VM_BLOCK_SIZE) * 4;
 
-	/* reserve space for one header for every 2k dwords */
-	ndw += (nptes >> 11) * 3;
 	/* reserve space for pte addresses */
 	ndw += nptes * 2;
 
 	/* reserve space for one header for every 2k dwords */
-	ndw += (npdes >> 11) * 3;
+	ndw += (npdes >> 11) * 4;
+
 	/* reserve space for pde addresses */
 	ndw += npdes * 2;
 
@@ -971,22 +1171,14 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 		radeon_fence_note_sync(vm->fence, ridx);
 	}
 
-	/* update page table entries */
-	pe = vm->pd_gpu_addr;
-	pe += radeon_vm_directory_size(rdev);
-	pe += (bo_va->soffset / RADEON_GPU_PAGE_SIZE) * 8;
-
-	radeon_asic_vm_set_page(rdev, pe, addr, nptes,
-				RADEON_GPU_PAGE_SIZE, bo_va->flags);
-
-	/* update page directory entries */
-	addr = pe;
-
-	pe = vm->pd_gpu_addr;
-	pe += ((bo_va->soffset / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE) * 8;
+	r = radeon_vm_update_pdes(rdev, vm, bo_va->soffset, bo_va->eoffset);
+	if (r) {
+		radeon_ring_unlock_undo(rdev, ring);
+		return r;
+	}
 
-	radeon_asic_vm_set_page(rdev, pe, addr, npdes,
-				RADEON_VM_PTE_COUNT * 8, RADEON_VM_PAGE_VALID);
+	radeon_vm_update_ptes(rdev, vm, bo_va->soffset, bo_va->eoffset,
+			      addr, bo_va->flags);
 
 	radeon_fence_unref(&vm->fence);
 	r = radeon_fence_emit(rdev, &vm->fence, ridx);
@@ -997,6 +1189,7 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
 	radeon_ring_unlock_commit(rdev, ring);
 	radeon_semaphore_free(rdev, &sem, vm->fence);
 	radeon_fence_unref(&vm->last_flush);
+
 	return 0;
 }
 
@@ -1056,31 +1249,15 @@ void radeon_vm_bo_invalidate(struct radeon_device *rdev,
  * @rdev: radeon_device pointer
  * @vm: requested vm
  *
- * Init @vm (cayman+).
- * Map the IB pool and any other shared objects into the VM
- * by default as it's used by all VMs.
- * Returns 0 for success, error for failure.
+ * Init @vm fields (cayman+).
  */
-int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
+void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
 {
-	struct radeon_bo_va *bo_va;
-	int r;
-
 	vm->id = 0;
 	vm->fence = NULL;
-	vm->last_pfn = 0;
 	mutex_init(&vm->mutex);
 	INIT_LIST_HEAD(&vm->list);
 	INIT_LIST_HEAD(&vm->va);
-
-	/* map the ib pool buffer at 0 in virtual address space, set
-	 * read only
-	 */
-	bo_va = radeon_vm_bo_add(rdev, vm, rdev->ring_tmp_bo.bo);
-	r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
-				  RADEON_VM_PAGE_READABLE |
-				  RADEON_VM_PAGE_SNOOPED);
-	return r;
 }
 
 /**
@@ -1102,17 +1279,6 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm)
 	radeon_vm_free_pt(rdev, vm);
 	mutex_unlock(&rdev->vm_manager.lock);
 
-	/* remove all bo at this point non are busy any more because unbind
-	 * waited for the last vm fence to signal
-	 */
-	r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
-	if (!r) {
-		bo_va = radeon_vm_bo_find(vm, rdev->ring_tmp_bo.bo);
-		list_del_init(&bo_va->bo_list);
-		list_del_init(&bo_va->vm_list);
-		radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
-		kfree(bo_va);
-	}
 	if (!list_empty(&vm->va)) {
 		dev_err(rdev->dev, "still active bo inside vm\n");
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index f38fbcc4693..fe5c1f6b795 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -53,6 +53,7 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
 				struct drm_gem_object **obj)
 {
 	struct radeon_bo *robj;
+	unsigned long max_size;
 	int r;
 
 	*obj = NULL;
@@ -60,11 +61,26 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
 	if (alignment < PAGE_SIZE) {
 		alignment = PAGE_SIZE;
 	}
+
+	/* maximun bo size is the minimun btw visible vram and gtt size */
+	max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size);
+	if (size > max_size) {
+		printk(KERN_WARNING "%s:%d alloc size %dMb bigger than %ldMb limit\n",
+		       __func__, __LINE__, size >> 20, max_size >> 20);
+		return -ENOMEM;
+	}
+
+retry:
 	r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, NULL, &robj);
 	if (r) {
-		if (r != -ERESTARTSYS)
+		if (r != -ERESTARTSYS) {
+			if (initial_domain == RADEON_GEM_DOMAIN_VRAM) {
+				initial_domain |= RADEON_GEM_DOMAIN_GTT;
+				goto retry;
+			}
 			DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
 				  size, initial_domain, alignment, r);
+		}
 		return r;
 	}
 	*obj = &robj->gem_base;
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 83b8d8aa71c..dc781c49b96 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -419,6 +419,7 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 	/* new gpu have virtual address space support */
 	if (rdev->family >= CHIP_CAYMAN) {
 		struct radeon_fpriv *fpriv;
+		struct radeon_bo_va *bo_va;
 		int r;
 
 		fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
@@ -426,7 +427,15 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 			return -ENOMEM;
 		}
 
-		r = radeon_vm_init(rdev, &fpriv->vm);
+		radeon_vm_init(rdev, &fpriv->vm);
+
+		/* map the ib pool buffer read only into
+		 * virtual address space */
+		bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
+					 rdev->ring_tmp_bo.bo);
+		r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
+					  RADEON_VM_PAGE_READABLE |
+					  RADEON_VM_PAGE_SNOOPED);
 		if (r) {
 			radeon_vm_fini(rdev, &fpriv->vm);
 			kfree(fpriv);
@@ -454,6 +463,17 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
 	/* new gpu have virtual address space support */
 	if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
 		struct radeon_fpriv *fpriv = file_priv->driver_priv;
+		struct radeon_bo_va *bo_va;
+		int r;
+
+		r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
+		if (!r) {
+			bo_va = radeon_vm_bo_find(&fpriv->vm,
+						  rdev->ring_tmp_bo.bo);
+			if (bo_va)
+				radeon_vm_bo_rmv(rdev, bo_va);
+			radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
+		}
 
 		radeon_vm_fini(rdev, &fpriv->vm);
 		kfree(fpriv);
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 5677a424b58..6857cb4efb7 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -295,6 +295,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
 	struct radeon_device *rdev = dev->dev_private;
+	uint32_t crtc_ext_cntl = 0;
 	uint32_t mask;
 
 	if (radeon_crtc->crtc_id)
@@ -307,6 +308,16 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 			RADEON_CRTC_VSYNC_DIS |
 			RADEON_CRTC_HSYNC_DIS);
 
+	/*
+	 * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC.
+	 * Therefore it is set in the DAC DMPS function.
+	 * This is different for GPU's with a single CRTC but a primary and a
+	 * TV DAC: here it controls the single CRTC no matter where it is
+	 * routed. Therefore we set it here.
+	 */
+	if (rdev->flags & RADEON_SINGLE_CRTC)
+		crtc_ext_cntl = RADEON_CRTC_CRT_ON;
+	
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
 		radeon_crtc->enabled = true;
@@ -317,7 +328,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 		else {
 			WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN |
 									 RADEON_CRTC_DISP_REQ_EN_B));
-			WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask);
+			WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl));
 		}
 		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 		radeon_crtc_load_lut(crtc);
@@ -331,7 +342,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 		else {
 			WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN |
 										    RADEON_CRTC_DISP_REQ_EN_B));
-			WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask);
+			WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl));
 		}
 		radeon_crtc->enabled = false;
 		/* adjust pm to dpms changes AFTER disabling crtcs */
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 92487e61477..f5ba2241dac 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -269,27 +269,6 @@ static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
 	.disable = radeon_legacy_encoder_disable,
 };
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
-static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
-{
-	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
-	uint8_t level;
-
-	/* Convert brightness to hardware level */
-	if (bd->props.brightness < 0)
-		level = 0;
-	else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
-		level = RADEON_MAX_BL_LEVEL;
-	else
-		level = bd->props.brightness;
-
-	if (pdata->negative)
-		level = RADEON_MAX_BL_LEVEL - level;
-
-	return level;
-}
-
 u8
 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
 {
@@ -331,6 +310,27 @@ radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 leve
 	radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
 }
 
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
+{
+	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
+	uint8_t level;
+
+	/* Convert brightness to hardware level */
+	if (bd->props.brightness < 0)
+		level = 0;
+	else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
+		level = RADEON_MAX_BL_LEVEL;
+	else
+		level = bd->props.brightness;
+
+	if (pdata->negative)
+		level = RADEON_MAX_BL_LEVEL - level;
+
+	return level;
+}
+
 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
 {
 	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
@@ -370,6 +370,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
 	struct backlight_properties props;
 	struct radeon_backlight_privdata *pdata;
 	uint8_t backlight_level;
+	char bl_name[16];
 
 	if (!radeon_encoder->enc_priv)
 		return;
@@ -389,7 +390,9 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
 	memset(&props, 0, sizeof(props));
 	props.max_brightness = RADEON_MAX_BL_LEVEL;
 	props.type = BACKLIGHT_RAW;
-	bd = backlight_device_register("radeon_bl", &drm_connector->kdev,
+	snprintf(bl_name, sizeof(bl_name),
+		 "radeon_bl%d", dev->primary->index);
+	bd = backlight_device_register(bl_name, &drm_connector->kdev,
 				       pdata, &radeon_backlight_ops, &props);
 	if (IS_ERR(bd)) {
 		DRM_ERROR("Backlight registration failed\n");
@@ -534,7 +537,9 @@ static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode
 		break;
 	}
 
-	WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
+	/* handled in radeon_crtc_dpms() */
+	if (!(rdev->flags & RADEON_SINGLE_CRTC))
+		WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 	WREG32(RADEON_DAC_CNTL, dac_cntl);
 	WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 
@@ -659,6 +664,8 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
 
 	if (ASIC_IS_R300(rdev))
 		tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
+	else if (ASIC_IS_RV100(rdev))
+		tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
 	else
 		tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
 
@@ -668,6 +675,7 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
 	tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
 	WREG32(RADEON_DAC_CNTL, tmp);
 
+	tmp = dac_macro_cntl;
 	tmp &= ~(RADEON_DAC_PDWN_R |
 		 RADEON_DAC_PDWN_G |
 		 RADEON_DAC_PDWN_B);
@@ -991,11 +999,7 @@ static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
-	if (tmds) {
-		if (tmds->i2c_bus)
-			radeon_i2c_destroy(tmds->i2c_bus);
-	}
+	/* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
 	kfree(radeon_encoder->enc_priv);
 	drm_encoder_cleanup(encoder);
 	kfree(radeon_encoder);
@@ -1093,7 +1097,8 @@ static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
 	} else {
 		if (is_tv)
 			WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
-		else
+		/* handled in radeon_crtc_dpms() */
+		else if (!(rdev->flags & RADEON_SINGLE_CRTC))
 			WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
 		WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
 	}
@@ -1417,13 +1422,104 @@ static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
 	return found;
 }
 
+static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder,
+					 struct drm_connector *connector)
+{
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl;
+	uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c;
+	uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f;
+	uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp;
+	uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid;
+	bool found = false;
+	int i;
+
+	/* save the regs we need */
+	gpio_monid = RREG32(RADEON_GPIO_MONID);
+	fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
+	disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
+	crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+	disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A);
+	disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B);
+	disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C);
+	disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D);
+	disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E);
+	disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F);
+	crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP);
+	crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP);
+	crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID);
+	crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID);
+
+	tmp = RREG32(RADEON_GPIO_MONID);
+	tmp &= ~RADEON_GPIO_A_0;
+	WREG32(RADEON_GPIO_MONID, tmp);
+
+	WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON |
+				     RADEON_FP2_PANEL_FORMAT |
+				     R200_FP2_SOURCE_SEL_TRANS_UNIT |
+				     RADEON_FP2_DVO_EN |
+				     R200_FP2_DVO_RATE_SEL_SDR));
+
+	WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX |
+					 RADEON_DISP_TRANS_MATRIX_GRAPHICS));
+
+	WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
+				       RADEON_CRTC2_DISP_REQ_EN_B));
+
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0);
+
+	WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008);
+	WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800);
+	WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001);
+	WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080);
+
+	for (i = 0; i < 200; i++) {
+		tmp = RREG32(RADEON_GPIO_MONID);
+		if (tmp & RADEON_GPIO_Y_0)
+			found = true;
+
+		if (found)
+			break;
+
+		if (!drm_can_sleep())
+			mdelay(1);
+		else
+			msleep(1);
+	}
+
+	/* restore the regs we used */
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e);
+	WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f);
+	WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp);
+	WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp);
+	WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid);
+	WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid);
+	WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+	WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
+	WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
+	WREG32(RADEON_GPIO_MONID, gpio_monid);
+
+	return found;
+}
+
 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
 							     struct drm_connector *connector)
 {
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
-	uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
-	uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp;
+	uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
+	uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
+	uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0;
 	enum drm_connector_status found = connector_status_disconnected;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
@@ -1460,12 +1556,27 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
 		return connector_status_disconnected;
 	}
 
+	/* R200 uses an external DAC for secondary DAC */
+	if (rdev->family == CHIP_R200) {
+		if (radeon_legacy_ext_dac_detect(encoder, connector))
+			found = connector_status_connected;
+		return found;
+	}
+
 	/* save the regs we need */
 	pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
-	gpiopad_a = ASIC_IS_R300(rdev) ? RREG32(RADEON_GPIOPAD_A) : 0;
-	disp_output_cntl = ASIC_IS_R300(rdev) ? RREG32(RADEON_DISP_OUTPUT_CNTL) : 0;
-	disp_hw_debug = ASIC_IS_R300(rdev) ? 0 : RREG32(RADEON_DISP_HW_DEBUG);
-	crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+
+	if (rdev->flags & RADEON_SINGLE_CRTC) {
+		crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
+	} else {
+		if (ASIC_IS_R300(rdev)) {
+			gpiopad_a = RREG32(RADEON_GPIOPAD_A);
+			disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
+		} else {
+			disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
+		}
+		crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+	}
 	tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
 	dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
 	dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
@@ -1474,22 +1585,24 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
 			       | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
 	WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 
-	if (ASIC_IS_R300(rdev))
-		WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
-
-	tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
-	tmp |= RADEON_CRTC2_CRT2_ON |
-		(2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
-
-	WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
-
-	if (ASIC_IS_R300(rdev)) {
-		tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
-		tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
-		WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
+	if (rdev->flags & RADEON_SINGLE_CRTC) {
+		tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
+		WREG32(RADEON_CRTC_EXT_CNTL, tmp);
 	} else {
-		tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
-		WREG32(RADEON_DISP_HW_DEBUG, tmp);
+		tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
+		tmp |= RADEON_CRTC2_CRT2_ON |
+			(2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
+		WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+
+		if (ASIC_IS_R300(rdev)) {
+			WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
+			tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
+			tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
+			WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
+		} else {
+			tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
+			WREG32(RADEON_DISP_HW_DEBUG, tmp);
+		}
 	}
 
 	tmp = RADEON_TV_DAC_NBLANK |
@@ -1531,14 +1644,19 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
 	WREG32(RADEON_DAC_CNTL2, dac_cntl2);
 	WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
 	WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
-	WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
 
-	if (ASIC_IS_R300(rdev)) {
-		WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
-		WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
+	if (rdev->flags & RADEON_SINGLE_CRTC) {
+		WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 	} else {
-		WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+		WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+		if (ASIC_IS_R300(rdev)) {
+			WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
+			WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
+		} else {
+			WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+		}
 	}
+
 	WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
 
 	return found;
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 8b27dd6e314..b91118ccef8 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -105,7 +105,6 @@ int radeon_bo_create(struct radeon_device *rdev,
 	struct radeon_bo *bo;
 	enum ttm_bo_type type;
 	unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
-	unsigned long max_size = 0;
 	size_t acc_size;
 	int r;
 
@@ -121,18 +120,9 @@ int radeon_bo_create(struct radeon_device *rdev,
 	}
 	*bo_ptr = NULL;
 
-	/* maximun bo size is the minimun btw visible vram and gtt size */
-	max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size);
-	if ((page_align << PAGE_SHIFT) >= max_size) {
-		printk(KERN_WARNING "%s:%d alloc size %ldM bigger than %ldMb limit\n",
-			__func__, __LINE__, page_align  >> (20 - PAGE_SHIFT), max_size >> 20);
-		return -ENOMEM;
-	}
-
 	acc_size = ttm_bo_dma_acc_size(&rdev->mman.bdev, size,
 				       sizeof(struct radeon_bo));
 
-retry:
 	bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL);
 	if (bo == NULL)
 		return -ENOMEM;
@@ -154,15 +144,6 @@ retry:
 			acc_size, sg, &radeon_ttm_bo_destroy);
 	up_read(&rdev->pm.mclk_lock);
 	if (unlikely(r != 0)) {
-		if (r != -ERESTARTSYS) {
-			if (domain == RADEON_GEM_DOMAIN_VRAM) {
-				domain |= RADEON_GEM_DOMAIN_GTT;
-				goto retry;
-			}
-			dev_err(rdev->dev,
-				"object_init failed for (%lu, 0x%08X)\n",
-				size, domain);
-		}
 		return r;
 	}
 	*bo_ptr = bo;
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index bba66902c83..47634f27f2e 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -305,7 +305,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
 {
 #if DRM_DEBUG_CODE
 	if (ring->count_dw <= 0) {
-		DRM_ERROR("radeon: writting more dword to ring than expected !\n");
+		DRM_ERROR("radeon: writing more dwords to the ring than expected!\n");
 	}
 #endif
 	ring->ring[ring->wptr++] = v;
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index f79633a036c..b0db712060f 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2407,12 +2407,13 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
 	WREG32(0x15DC, 0);
 
 	/* empty context1-15 */
-	/* FIXME start with 4G, once using 2 level pt switch to full
-	 * vm size space
-	 */
 	/* set vm size, must be a multiple of 4 */
 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
 	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
+	/* Assign the pt base to something valid for now; the pts used for
+	 * the VMs are determined by the application and setup and assigned
+	 * on the fly in the vm part of radeon_gart.c
+	 */
 	for (i = 1; i < 16; i++) {
 		if (i < 8)
 			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
@@ -2807,26 +2808,31 @@ void si_vm_set_page(struct radeon_device *rdev, uint64_t pe,
 {
 	struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index];
 	uint32_t r600_flags = cayman_vm_page_flags(rdev, flags);
-	int i;
-	uint64_t value;
 
-	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 2 + count * 2));
-	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
-				 WRITE_DATA_DST_SEL(1)));
-	radeon_ring_write(ring, pe);
-	radeon_ring_write(ring, upper_32_bits(pe));
-	for (i = 0; i < count; ++i) {
-		if (flags & RADEON_VM_PAGE_SYSTEM) {
-			value = radeon_vm_map_gart(rdev, addr);
-			value &= 0xFFFFFFFFFFFFF000ULL;
-		} else if (flags & RADEON_VM_PAGE_VALID)
-			value = addr;
-		else
-			value = 0;
-		addr += incr;
-		value |= r600_flags;
-		radeon_ring_write(ring, value);
-		radeon_ring_write(ring, upper_32_bits(value));
+	while (count) {
+		unsigned ndw = 2 + count * 2;
+		if (ndw > 0x3FFE)
+			ndw = 0x3FFE;
+
+		radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, ndw));
+		radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
+					 WRITE_DATA_DST_SEL(1)));
+		radeon_ring_write(ring, pe);
+		radeon_ring_write(ring, upper_32_bits(pe));
+		for (; ndw > 2; ndw -= 2, --count, pe += 8) {
+			uint64_t value;
+			if (flags & RADEON_VM_PAGE_SYSTEM) {
+				value = radeon_vm_map_gart(rdev, addr);
+				value &= 0xFFFFFFFFFFFFF000ULL;
+			} else if (flags & RADEON_VM_PAGE_VALID)
+				value = addr;
+			else
+				value = 0;
+			addr += incr;
+			value |= r600_flags;
+			radeon_ring_write(ring, value);
+			radeon_ring_write(ring, upper_32_bits(value));
+		}
 	}
 }
 
@@ -2867,6 +2873,10 @@ void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
 	radeon_ring_write(ring, 0);
 	radeon_ring_write(ring, 1 << vm->id);
+
+	/* sync PFP to ME, otherwise we might get invalid PFP reads */
+	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+	radeon_ring_write(ring, 0x0);
 }
 
 /*
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
index c71d493fd0c..1c350fc4e44 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
@@ -201,6 +201,8 @@ static int shmob_drm_load(struct drm_device *dev, unsigned long flags)
 		goto done;
 	}
 
+	platform_set_drvdata(pdev, sdev);
+
 done:
 	if (ret)
 		shmob_drm_unload(dev);
@@ -299,11 +301,9 @@ static struct drm_driver shmob_drm_driver = {
 #if CONFIG_PM_SLEEP
 static int shmob_drm_pm_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct drm_device *ddev = platform_get_drvdata(pdev);
-	struct shmob_drm_device *sdev = ddev->dev_private;
+	struct shmob_drm_device *sdev = dev_get_drvdata(dev);
 
-	drm_kms_helper_poll_disable(ddev);
+	drm_kms_helper_poll_disable(sdev->ddev);
 	shmob_drm_crtc_suspend(&sdev->crtc);
 
 	return 0;
@@ -311,9 +311,7 @@ static int shmob_drm_pm_suspend(struct device *dev)
 
 static int shmob_drm_pm_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct drm_device *ddev = platform_get_drvdata(pdev);
-	struct shmob_drm_device *sdev = ddev->dev_private;
+	struct shmob_drm_device *sdev = dev_get_drvdata(dev);
 
 	mutex_lock(&sdev->ddev->mode_config.mutex);
 	shmob_drm_crtc_resume(&sdev->crtc);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 402ab69f9f9..bf6e4b5a73b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -580,6 +580,7 @@ retry:
 	if (unlikely(ret != 0))
 		return ret;
 
+retry_reserve:
 	spin_lock(&glob->lru_lock);
 
 	if (unlikely(list_empty(&bo->ddestroy))) {
@@ -587,14 +588,20 @@ retry:
 		return 0;
 	}
 
-	ret = ttm_bo_reserve_locked(bo, interruptible,
-				    no_wait_reserve, false, 0);
+	ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
 
-	if (unlikely(ret != 0)) {
+	if (unlikely(ret == -EBUSY)) {
 		spin_unlock(&glob->lru_lock);
-		return ret;
+		if (likely(!no_wait_reserve))
+			ret = ttm_bo_wait_unreserved(bo, interruptible);
+		if (unlikely(ret != 0))
+			return ret;
+
+		goto retry_reserve;
 	}
 
+	BUG_ON(ret != 0);
+
 	/**
 	 * We can re-check for sync object without taking
 	 * the bo::lock since setting the sync object requires
@@ -811,17 +818,14 @@ retry:
 					  no_wait_reserve, no_wait_gpu);
 		kref_put(&bo->list_kref, ttm_bo_release_list);
 
-		if (likely(ret == 0 || ret == -ERESTARTSYS))
-			return ret;
-
-		goto retry;
+		return ret;
 	}
 
-	ret = ttm_bo_reserve_locked(bo, false, no_wait_reserve, false, 0);
+	ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
 
 	if (unlikely(ret == -EBUSY)) {
 		spin_unlock(&glob->lru_lock);
-		if (likely(!no_wait_gpu))
+		if (likely(!no_wait_reserve))
 			ret = ttm_bo_wait_unreserved(bo, interruptible);
 
 		kref_put(&bo->list_kref, ttm_bo_release_list);
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index fccd361f7b5..87aa5f5d3c8 100644
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -104,7 +104,7 @@ udl_fb_user_fb_create(struct drm_device *dev,
 
 int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr,
 		     const char *front, char **urb_buf_ptr,
-		     u32 byte_offset, u32 byte_width,
+		     u32 byte_offset, u32 device_byte_offset, u32 byte_width,
 		     int *ident_ptr, int *sent_ptr);
 
 int udl_dumb_create(struct drm_file *file_priv,
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
index 69a2b16f42a..d4ab3beaada 100644
--- a/drivers/gpu/drm/udl/udl_fb.c
+++ b/drivers/gpu/drm/udl/udl_fb.c
@@ -114,9 +114,10 @@ static void udlfb_dpy_deferred_io(struct fb_info *info,
 	list_for_each_entry(cur, &fbdefio->pagelist, lru) {
 
 		if (udl_render_hline(dev, (ufbdev->ufb.base.bits_per_pixel / 8),
-				  &urb, (char *) info->fix.smem_start,
-				  &cmd, cur->index << PAGE_SHIFT,
-				  PAGE_SIZE, &bytes_identical, &bytes_sent))
+				     &urb, (char *) info->fix.smem_start,
+				     &cmd, cur->index << PAGE_SHIFT,
+				     cur->index << PAGE_SHIFT,
+				     PAGE_SIZE, &bytes_identical, &bytes_sent))
 			goto error;
 		bytes_rendered += PAGE_SIZE;
 	}
@@ -187,10 +188,11 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
 	for (i = y; i < y + height ; i++) {
 		const int line_offset = fb->base.pitches[0] * i;
 		const int byte_offset = line_offset + (x * bpp);
-
+		const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp);
 		if (udl_render_hline(dev, bpp, &urb,
 				     (char *) fb->obj->vmapping,
-				     &cmd, byte_offset, width * bpp,
+				     &cmd, byte_offset, dev_byte_offset,
+				     width * bpp,
 				     &bytes_identical, &bytes_sent))
 			goto error;
 	}
diff --git a/drivers/gpu/drm/udl/udl_transfer.c b/drivers/gpu/drm/udl/udl_transfer.c
index dc095526ffb..142fee5f983 100644
--- a/drivers/gpu/drm/udl/udl_transfer.c
+++ b/drivers/gpu/drm/udl/udl_transfer.c
@@ -213,11 +213,12 @@ static void udl_compress_hline16(
  */
 int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr,
 		     const char *front, char **urb_buf_ptr,
-		     u32 byte_offset, u32 byte_width,
+		     u32 byte_offset, u32 device_byte_offset,
+		     u32 byte_width,
 		     int *ident_ptr, int *sent_ptr)
 {
 	const u8 *line_start, *line_end, *next_pixel;
-	u32 base16 = 0 + (byte_offset / bpp) * 2;
+	u32 base16 = 0 + (device_byte_offset / bpp) * 2;
 	struct urb *urb = *urb_ptr;
 	u8 *cmd = *urb_buf_ptr;
 	u8 *cmd_end = (u8 *) urb->transfer_buffer + urb->transfer_buffer_length;
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 06ebdbb6ea0..fd7722aecf7 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -522,6 +522,12 @@ static const struct hid_device_id apple_devices[] = {
 		.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
 		.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
+		.driver_data = APPLE_HAS_FN },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
+		.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
+		.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index bd3971bf31b..f4109fd657f 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1532,6 +1532,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
@@ -2139,6 +2142,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 269b50912a4..9d7a42857ea 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -118,6 +118,9 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI	0x0252
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO	0x0253
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS	0x0254
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI	0x0259
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO	0x025a
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS	0x025b
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI	0x0249
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO	0x024a
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS	0x024b
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index 3acdcfcc17d..f676c01bb47 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -28,22 +28,30 @@
 #define MS_RDESC		0x08
 #define MS_NOGET		0x10
 #define MS_DUPLICATE_USAGES	0x20
+#define MS_RDESC_3K		0x40
 
-/*
- * Microsoft Wireless Desktop Receiver (Model 1028) has
- * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
- */
 static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
 	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 
+	/*
+	 * Microsoft Wireless Desktop Receiver (Model 1028) has
+	 * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
+	 */
 	if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
 			rdesc[559] == 0x29) {
 		hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
 		rdesc[557] = 0x35;
 		rdesc[559] = 0x45;
 	}
+	/* the same as above (s/usage/physical/) */
+	if ((quirks & MS_RDESC_3K) && *rsize == 106 &&
+			!memcmp((char []){ 0x19, 0x00, 0x29, 0xff },
+				&rdesc[94], 4)) {
+		rdesc[94] = 0x35;
+		rdesc[96] = 0x45;
+	}
 	return rdesc;
 }
 
@@ -192,7 +200,7 @@ static const struct hid_device_id ms_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
 		.driver_data = MS_PRESENTER },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K),
-		.driver_data = MS_ERGONOMY },
+		.driver_data = MS_ERGONOMY | MS_RDESC_3K },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
 		.driver_data = MS_NOGET },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 3eb02b94fc8..7867d69f0ef 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -210,8 +210,7 @@ static struct mt_class mt_classes[] = {
 	},
 	{ .name	= MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
 		.quirks	= MT_QUIRK_NOT_SEEN_MEANS_UP |
-			MT_QUIRK_SLOT_IS_CONTACTNUMBER,
-		.maxcontacts = 10
+			MT_QUIRK_SLOT_IS_CONTACTNUMBER
 	},
 
 	{ .name = MT_CLS_FLATFROG,
@@ -421,11 +420,11 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			 * contact max are global to the report */
 			td->last_field_index = field->index;
 			return -1;
-		}
 		case HID_DG_TOUCH:
 			/* Legacy devices use TIPSWITCH and not TOUCH.
 			 * Let's just ignore this field. */
 			return -1;
+		}
 		/* let hid-input decide for the others */
 		return 0;
 
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 406537420ff..f4c3d28cd1f 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -146,14 +146,14 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 
 	if (ret != 0) {
 		err = ret;
-		goto errorout;
+		goto error0;
 	}
 
 	ret = hv_ringbuffer_init(
 		&newchannel->inbound, in, recv_ringbuffer_size);
 	if (ret != 0) {
 		err = ret;
-		goto errorout;
+		goto error0;
 	}
 
 
@@ -168,7 +168,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 
 	if (ret != 0) {
 		err = ret;
-		goto errorout;
+		goto error0;
 	}
 
 	/* Create and init the channel open message */
@@ -177,7 +177,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 			   GFP_KERNEL);
 	if (!open_info) {
 		err = -ENOMEM;
-		goto errorout;
+		goto error0;
 	}
 
 	init_completion(&open_info->waitevent);
@@ -193,7 +193,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 
 	if (userdatalen > MAX_USER_DEFINED_BYTES) {
 		err = -EINVAL;
-		goto errorout;
+		goto error0;
 	}
 
 	if (userdatalen)
@@ -208,19 +208,18 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 			       sizeof(struct vmbus_channel_open_channel));
 
 	if (ret != 0)
-		goto cleanup;
+		goto error1;
 
 	t = wait_for_completion_timeout(&open_info->waitevent, 5*HZ);
 	if (t == 0) {
 		err = -ETIMEDOUT;
-		goto errorout;
+		goto error1;
 	}
 
 
 	if (open_info->response.open_result.status)
 		err = open_info->response.open_result.status;
 
-cleanup:
 	spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
 	list_del(&open_info->msglistentry);
 	spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
@@ -228,9 +227,12 @@ cleanup:
 	kfree(open_info);
 	return err;
 
-errorout:
-	hv_ringbuffer_cleanup(&newchannel->outbound);
-	hv_ringbuffer_cleanup(&newchannel->inbound);
+error1:
+	spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
+	list_del(&open_info->msglistentry);
+	spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
+
+error0:
 	free_pages((unsigned long)out,
 		get_order(send_ringbuffer_size + recv_ringbuffer_size));
 	kfree(open_info);
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index c74e73b2069..c4633de6446 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -334,16 +334,6 @@ config SENSORS_DA9052_ADC
 	  This driver can also be built as module. If so, the module
 	  will be called da9052-hwmon.
 
-config SENSORS_EXYNOS4_TMU
-	tristate "Temperature sensor on Samsung EXYNOS4"
-	depends on ARCH_EXYNOS4
-	help
-	  If you say yes here you get support for TMU (Thermal Management
-	  Unit) on SAMSUNG EXYNOS4 series of SoC.
-
-	  This driver can also be built as a module. If so, the module
-	  will be called exynos4-tmu.
-
 config SENSORS_I5K_AMB
 	tristate "FB-DIMM AMB temperature sensor on Intel 5000 series chipsets"
 	depends on PCI
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index a62ce17ddbf..8d5fcb5e8e9 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -50,7 +50,6 @@ obj-$(CONFIG_SENSORS_DS1621)	+= ds1621.o
 obj-$(CONFIG_SENSORS_EMC1403)	+= emc1403.o
 obj-$(CONFIG_SENSORS_EMC2103)	+= emc2103.o
 obj-$(CONFIG_SENSORS_EMC6W201)	+= emc6w201.o
-obj-$(CONFIG_SENSORS_EXYNOS4_TMU)	+= exynos4_tmu.o
 obj-$(CONFIG_SENSORS_F71805F)	+= f71805f.o
 obj-$(CONFIG_SENSORS_F71882FG)	+= f71882fg.o
 obj-$(CONFIG_SENSORS_F75375S)	+= f75375s.o
diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index 23ab3c496b0..1672e2a5db4 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -29,6 +29,7 @@
 #include <linux/kdev_t.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/err.h>
 #include <acpi/acpi_drivers.h>
 #include <acpi/acpi_bus.h>
 
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 8b24d1a4a2b..dafa477715e 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -50,6 +50,7 @@
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/jiffies.h>
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
index fe72c69a2d6..517f1856c70 100644
--- a/drivers/hwmon/adt7411.c
+++ b/drivers/hwmon/adt7411.c
@@ -15,7 +15,6 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/err.h>
-#include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/jiffies.h>
 #include <linux/i2c.h>
diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index baee482aedf..98a7d81e25c 100644
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -26,7 +26,6 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
-#include <linux/delay.h>
 #include <linux/log2.h>
 #include <linux/slab.h>
 
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 861c756e953..989e54c3925 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -20,6 +20,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
+#include <linux/jiffies.h>
 
 /* Indexes for the sysfs hooks */
 
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 8f3f6f2c45f..b41baffa20f 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -43,6 +43,7 @@
 #include <linux/leds.h>
 #include <linux/hwmon.h>
 #include <linux/workqueue.h>
+#include <linux/err.h>
 
 /* data port used by Apple SMC */
 #define APPLESMC_DATA_PORT	0x300
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index cccb0e9d45b..56dbcfb3e30 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -14,6 +14,8 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/dmi.h>
+#include <linux/jiffies.h>
+#include <linux/err.h>
 
 #include <acpi/acpi.h>
 #include <acpi/acpixf.h>
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 984a3f13923..47b8d84b489 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -205,8 +205,11 @@ static const struct tjmax __cpuinitconst tjmax_table[] = {
 	{ "CPU N455", 100000 },
 	{ "CPU N470", 100000 },
 	{ "CPU N475", 100000 },
-	{ "CPU  230", 100000 },
-	{ "CPU  330", 125000 },
+	{ "CPU  230", 100000 },		/* Model 0x1c, stepping 2	*/
+	{ "CPU  330", 125000 },		/* Model 0x1c, stepping 2	*/
+	{ "CPU CE4110", 110000 },	/* Model 0x1c, stepping 10	*/
+	{ "CPU CE4150", 110000 },	/* Model 0x1c, stepping 10	*/
+	{ "CPU CE4170", 110000 },	/* Model 0x1c, stepping 10	*/
 };
 
 static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c
index fc65f2d3ec9..b8d01c5f571 100644
--- a/drivers/hwmon/da9052-hwmon.c
+++ b/drivers/hwmon/da9052-hwmon.c
@@ -12,7 +12,6 @@
  *
  */
 
-#include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 68ab94bde3f..142e1cb8dea 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -33,6 +33,7 @@
 #include <linux/err.h>
 #include <linux/sysfs.h>
 #include <linux/mutex.h>
+#include <linux/jiffies.h>
 
 #define THERMAL_PID_REG		0xfd
 #define THERMAL_SMSC_ID_REG	0xfe
diff --git a/drivers/hwmon/emc6w201.c b/drivers/hwmon/emc6w201.c
index ada12a98a97..a98c917b588 100644
--- a/drivers/hwmon/emc6w201.c
+++ b/drivers/hwmon/emc6w201.c
@@ -18,7 +18,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/jiffies.h>
diff --git a/drivers/hwmon/exynos4_tmu.c b/drivers/hwmon/exynos4_tmu.c
deleted file mode 100644
index e912059140c..00000000000
--- a/drivers/hwmon/exynos4_tmu.c
+++ /dev/null
@@ -1,518 +0,0 @@
-/*
- * exynos4_tmu.c - Samsung EXYNOS4 TMU (Thermal Management Unit)
- *
- *  Copyright (C) 2011 Samsung Electronics
- *  Donggeun Kim <dg77.kim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
-
-#include <linux/module.h>
-#include <linux/err.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/clk.h>
-#include <linux/workqueue.h>
-#include <linux/sysfs.h>
-#include <linux/kobject.h>
-#include <linux/io.h>
-#include <linux/mutex.h>
-
-#include <linux/hwmon.h>
-#include <linux/hwmon-sysfs.h>
-
-#include <linux/platform_data/exynos4_tmu.h>
-
-#define EXYNOS4_TMU_REG_TRIMINFO	0x0
-#define EXYNOS4_TMU_REG_CONTROL		0x20
-#define EXYNOS4_TMU_REG_STATUS		0x28
-#define EXYNOS4_TMU_REG_CURRENT_TEMP	0x40
-#define EXYNOS4_TMU_REG_THRESHOLD_TEMP	0x44
-#define EXYNOS4_TMU_REG_TRIG_LEVEL0	0x50
-#define EXYNOS4_TMU_REG_TRIG_LEVEL1	0x54
-#define EXYNOS4_TMU_REG_TRIG_LEVEL2	0x58
-#define EXYNOS4_TMU_REG_TRIG_LEVEL3	0x5C
-#define EXYNOS4_TMU_REG_PAST_TEMP0	0x60
-#define EXYNOS4_TMU_REG_PAST_TEMP1	0x64
-#define EXYNOS4_TMU_REG_PAST_TEMP2	0x68
-#define EXYNOS4_TMU_REG_PAST_TEMP3	0x6C
-#define EXYNOS4_TMU_REG_INTEN		0x70
-#define EXYNOS4_TMU_REG_INTSTAT		0x74
-#define EXYNOS4_TMU_REG_INTCLEAR	0x78
-
-#define EXYNOS4_TMU_GAIN_SHIFT		8
-#define EXYNOS4_TMU_REF_VOLTAGE_SHIFT	24
-
-#define EXYNOS4_TMU_TRIM_TEMP_MASK	0xff
-#define EXYNOS4_TMU_CORE_ON	3
-#define EXYNOS4_TMU_CORE_OFF	2
-#define EXYNOS4_TMU_DEF_CODE_TO_TEMP_OFFSET	50
-#define EXYNOS4_TMU_TRIG_LEVEL0_MASK	0x1
-#define EXYNOS4_TMU_TRIG_LEVEL1_MASK	0x10
-#define EXYNOS4_TMU_TRIG_LEVEL2_MASK	0x100
-#define EXYNOS4_TMU_TRIG_LEVEL3_MASK	0x1000
-#define EXYNOS4_TMU_INTCLEAR_VAL	0x1111
-
-struct exynos4_tmu_data {
-	struct exynos4_tmu_platform_data *pdata;
-	struct device *hwmon_dev;
-	struct resource *mem;
-	void __iomem *base;
-	int irq;
-	struct work_struct irq_work;
-	struct mutex lock;
-	struct clk *clk;
-	u8 temp_error1, temp_error2;
-};
-
-/*
- * TMU treats temperature as a mapped temperature code.
- * The temperature is converted differently depending on the calibration type.
- */
-static int temp_to_code(struct exynos4_tmu_data *data, u8 temp)
-{
-	struct exynos4_tmu_platform_data *pdata = data->pdata;
-	int temp_code;
-
-	/* temp should range between 25 and 125 */
-	if (temp < 25 || temp > 125) {
-		temp_code = -EINVAL;
-		goto out;
-	}
-
-	switch (pdata->cal_type) {
-	case TYPE_TWO_POINT_TRIMMING:
-		temp_code = (temp - 25) *
-		    (data->temp_error2 - data->temp_error1) /
-		    (85 - 25) + data->temp_error1;
-		break;
-	case TYPE_ONE_POINT_TRIMMING:
-		temp_code = temp + data->temp_error1 - 25;
-		break;
-	default:
-		temp_code = temp + EXYNOS4_TMU_DEF_CODE_TO_TEMP_OFFSET;
-		break;
-	}
-out:
-	return temp_code;
-}
-
-/*
- * Calculate a temperature value from a temperature code.
- * The unit of the temperature is degree Celsius.
- */
-static int code_to_temp(struct exynos4_tmu_data *data, u8 temp_code)
-{
-	struct exynos4_tmu_platform_data *pdata = data->pdata;
-	int temp;
-
-	/* temp_code should range between 75 and 175 */
-	if (temp_code < 75 || temp_code > 175) {
-		temp = -ENODATA;
-		goto out;
-	}
-
-	switch (pdata->cal_type) {
-	case TYPE_TWO_POINT_TRIMMING:
-		temp = (temp_code - data->temp_error1) * (85 - 25) /
-		    (data->temp_error2 - data->temp_error1) + 25;
-		break;
-	case TYPE_ONE_POINT_TRIMMING:
-		temp = temp_code - data->temp_error1 + 25;
-		break;
-	default:
-		temp = temp_code - EXYNOS4_TMU_DEF_CODE_TO_TEMP_OFFSET;
-		break;
-	}
-out:
-	return temp;
-}
-
-static int exynos4_tmu_initialize(struct platform_device *pdev)
-{
-	struct exynos4_tmu_data *data = platform_get_drvdata(pdev);
-	struct exynos4_tmu_platform_data *pdata = data->pdata;
-	unsigned int status, trim_info;
-	int ret = 0, threshold_code;
-
-	mutex_lock(&data->lock);
-	clk_enable(data->clk);
-
-	status = readb(data->base + EXYNOS4_TMU_REG_STATUS);
-	if (!status) {
-		ret = -EBUSY;
-		goto out;
-	}
-
-	/* Save trimming info in order to perform calibration */
-	trim_info = readl(data->base + EXYNOS4_TMU_REG_TRIMINFO);
-	data->temp_error1 = trim_info & EXYNOS4_TMU_TRIM_TEMP_MASK;
-	data->temp_error2 = ((trim_info >> 8) & EXYNOS4_TMU_TRIM_TEMP_MASK);
-
-	/* Write temperature code for threshold */
-	threshold_code = temp_to_code(data, pdata->threshold);
-	if (threshold_code < 0) {
-		ret = threshold_code;
-		goto out;
-	}
-	writeb(threshold_code,
-		data->base + EXYNOS4_TMU_REG_THRESHOLD_TEMP);
-
-	writeb(pdata->trigger_levels[0],
-		data->base + EXYNOS4_TMU_REG_TRIG_LEVEL0);
-	writeb(pdata->trigger_levels[1],
-		data->base + EXYNOS4_TMU_REG_TRIG_LEVEL1);
-	writeb(pdata->trigger_levels[2],
-		data->base + EXYNOS4_TMU_REG_TRIG_LEVEL2);
-	writeb(pdata->trigger_levels[3],
-		data->base + EXYNOS4_TMU_REG_TRIG_LEVEL3);
-
-	writel(EXYNOS4_TMU_INTCLEAR_VAL,
-		data->base + EXYNOS4_TMU_REG_INTCLEAR);
-out:
-	clk_disable(data->clk);
-	mutex_unlock(&data->lock);
-
-	return ret;
-}
-
-static void exynos4_tmu_control(struct platform_device *pdev, bool on)
-{
-	struct exynos4_tmu_data *data = platform_get_drvdata(pdev);
-	struct exynos4_tmu_platform_data *pdata = data->pdata;
-	unsigned int con, interrupt_en;
-
-	mutex_lock(&data->lock);
-	clk_enable(data->clk);
-
-	con = pdata->reference_voltage << EXYNOS4_TMU_REF_VOLTAGE_SHIFT |
-		pdata->gain << EXYNOS4_TMU_GAIN_SHIFT;
-	if (on) {
-		con |= EXYNOS4_TMU_CORE_ON;
-		interrupt_en = pdata->trigger_level3_en << 12 |
-			pdata->trigger_level2_en << 8 |
-			pdata->trigger_level1_en << 4 |
-			pdata->trigger_level0_en;
-	} else {
-		con |= EXYNOS4_TMU_CORE_OFF;
-		interrupt_en = 0; /* Disable all interrupts */
-	}
-	writel(interrupt_en, data->base + EXYNOS4_TMU_REG_INTEN);
-	writel(con, data->base + EXYNOS4_TMU_REG_CONTROL);
-
-	clk_disable(data->clk);
-	mutex_unlock(&data->lock);
-}
-
-static int exynos4_tmu_read(struct exynos4_tmu_data *data)
-{
-	u8 temp_code;
-	int temp;
-
-	mutex_lock(&data->lock);
-	clk_enable(data->clk);
-
-	temp_code = readb(data->base + EXYNOS4_TMU_REG_CURRENT_TEMP);
-	temp = code_to_temp(data, temp_code);
-
-	clk_disable(data->clk);
-	mutex_unlock(&data->lock);
-
-	return temp;
-}
-
-static void exynos4_tmu_work(struct work_struct *work)
-{
-	struct exynos4_tmu_data *data = container_of(work,
-			struct exynos4_tmu_data, irq_work);
-
-	mutex_lock(&data->lock);
-	clk_enable(data->clk);
-
-	writel(EXYNOS4_TMU_INTCLEAR_VAL, data->base + EXYNOS4_TMU_REG_INTCLEAR);
-
-	kobject_uevent(&data->hwmon_dev->kobj, KOBJ_CHANGE);
-
-	enable_irq(data->irq);
-
-	clk_disable(data->clk);
-	mutex_unlock(&data->lock);
-}
-
-static irqreturn_t exynos4_tmu_irq(int irq, void *id)
-{
-	struct exynos4_tmu_data *data = id;
-
-	disable_irq_nosync(irq);
-	schedule_work(&data->irq_work);
-
-	return IRQ_HANDLED;
-}
-
-static ssize_t exynos4_tmu_show_name(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "exynos4-tmu\n");
-}
-
-static ssize_t exynos4_tmu_show_temp(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct exynos4_tmu_data *data = dev_get_drvdata(dev);
-	int ret;
-
-	ret = exynos4_tmu_read(data);
-	if (ret < 0)
-		return ret;
-
-	/* convert from degree Celsius to millidegree Celsius */
-	return sprintf(buf, "%d\n", ret * 1000);
-}
-
-static ssize_t exynos4_tmu_show_alarm(struct device *dev,
-		struct device_attribute *devattr, char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct exynos4_tmu_data *data = dev_get_drvdata(dev);
-	struct exynos4_tmu_platform_data *pdata = data->pdata;
-	int temp;
-	unsigned int trigger_level;
-
-	temp = exynos4_tmu_read(data);
-	if (temp < 0)
-		return temp;
-
-	trigger_level = pdata->threshold + pdata->trigger_levels[attr->index];
-
-	return sprintf(buf, "%d\n", !!(temp > trigger_level));
-}
-
-static ssize_t exynos4_tmu_show_level(struct device *dev,
-		struct device_attribute *devattr, char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct exynos4_tmu_data *data = dev_get_drvdata(dev);
-	struct exynos4_tmu_platform_data *pdata = data->pdata;
-	unsigned int temp = pdata->threshold +
-			pdata->trigger_levels[attr->index];
-
-	return sprintf(buf, "%u\n", temp * 1000);
-}
-
-static DEVICE_ATTR(name, S_IRUGO, exynos4_tmu_show_name, NULL);
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, exynos4_tmu_show_temp, NULL, 0);
-
-static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO,
-		exynos4_tmu_show_alarm, NULL, 1);
-static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO,
-		exynos4_tmu_show_alarm, NULL, 2);
-static SENSOR_DEVICE_ATTR(temp1_emergency_alarm, S_IRUGO,
-		exynos4_tmu_show_alarm, NULL, 3);
-
-static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, exynos4_tmu_show_level, NULL, 1);
-static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, exynos4_tmu_show_level, NULL, 2);
-static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO,
-		exynos4_tmu_show_level, NULL, 3);
-
-static struct attribute *exynos4_tmu_attributes[] = {
-	&dev_attr_name.attr,
-	&sensor_dev_attr_temp1_input.dev_attr.attr,
-	&sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
-	&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
-	&sensor_dev_attr_temp1_emergency_alarm.dev_attr.attr,
-	&sensor_dev_attr_temp1_max.dev_attr.attr,
-	&sensor_dev_attr_temp1_crit.dev_attr.attr,
-	&sensor_dev_attr_temp1_emergency.dev_attr.attr,
-	NULL,
-};
-
-static const struct attribute_group exynos4_tmu_attr_group = {
-	.attrs = exynos4_tmu_attributes,
-};
-
-static int __devinit exynos4_tmu_probe(struct platform_device *pdev)
-{
-	struct exynos4_tmu_data *data;
-	struct exynos4_tmu_platform_data *pdata = pdev->dev.platform_data;
-	int ret;
-
-	if (!pdata) {
-		dev_err(&pdev->dev, "No platform init data supplied.\n");
-		return -ENODEV;
-	}
-
-	data = kzalloc(sizeof(struct exynos4_tmu_data), GFP_KERNEL);
-	if (!data) {
-		dev_err(&pdev->dev, "Failed to allocate driver structure\n");
-		return -ENOMEM;
-	}
-
-	data->irq = platform_get_irq(pdev, 0);
-	if (data->irq < 0) {
-		ret = data->irq;
-		dev_err(&pdev->dev, "Failed to get platform irq\n");
-		goto err_free;
-	}
-
-	INIT_WORK(&data->irq_work, exynos4_tmu_work);
-
-	data->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!data->mem) {
-		ret = -ENOENT;
-		dev_err(&pdev->dev, "Failed to get platform resource\n");
-		goto err_free;
-	}
-
-	data->mem = request_mem_region(data->mem->start,
-			resource_size(data->mem), pdev->name);
-	if (!data->mem) {
-		ret = -ENODEV;
-		dev_err(&pdev->dev, "Failed to request memory region\n");
-		goto err_free;
-	}
-
-	data->base = ioremap(data->mem->start, resource_size(data->mem));
-	if (!data->base) {
-		ret = -ENODEV;
-		dev_err(&pdev->dev, "Failed to ioremap memory\n");
-		goto err_mem_region;
-	}
-
-	ret = request_irq(data->irq, exynos4_tmu_irq,
-		IRQF_TRIGGER_RISING,
-		"exynos4-tmu", data);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to request irq: %d\n", data->irq);
-		goto err_io_remap;
-	}
-
-	data->clk = clk_get(NULL, "tmu_apbif");
-	if (IS_ERR(data->clk)) {
-		ret = PTR_ERR(data->clk);
-		dev_err(&pdev->dev, "Failed to get clock\n");
-		goto err_irq;
-	}
-
-	data->pdata = pdata;
-	platform_set_drvdata(pdev, data);
-	mutex_init(&data->lock);
-
-	ret = exynos4_tmu_initialize(pdev);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to initialize TMU\n");
-		goto err_clk;
-	}
-
-	ret = sysfs_create_group(&pdev->dev.kobj, &exynos4_tmu_attr_group);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to create sysfs group\n");
-		goto err_clk;
-	}
-
-	data->hwmon_dev = hwmon_device_register(&pdev->dev);
-	if (IS_ERR(data->hwmon_dev)) {
-		ret = PTR_ERR(data->hwmon_dev);
-		dev_err(&pdev->dev, "Failed to register hwmon device\n");
-		goto err_create_group;
-	}
-
-	exynos4_tmu_control(pdev, true);
-
-	return 0;
-
-err_create_group:
-	sysfs_remove_group(&pdev->dev.kobj, &exynos4_tmu_attr_group);
-err_clk:
-	platform_set_drvdata(pdev, NULL);
-	clk_put(data->clk);
-err_irq:
-	free_irq(data->irq, data);
-err_io_remap:
-	iounmap(data->base);
-err_mem_region:
-	release_mem_region(data->mem->start, resource_size(data->mem));
-err_free:
-	kfree(data);
-
-	return ret;
-}
-
-static int __devexit exynos4_tmu_remove(struct platform_device *pdev)
-{
-	struct exynos4_tmu_data *data = platform_get_drvdata(pdev);
-
-	exynos4_tmu_control(pdev, false);
-
-	hwmon_device_unregister(data->hwmon_dev);
-	sysfs_remove_group(&pdev->dev.kobj, &exynos4_tmu_attr_group);
-
-	clk_put(data->clk);
-
-	free_irq(data->irq, data);
-
-	iounmap(data->base);
-	release_mem_region(data->mem->start, resource_size(data->mem));
-
-	platform_set_drvdata(pdev, NULL);
-
-	kfree(data);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int exynos4_tmu_suspend(struct device *dev)
-{
-	exynos4_tmu_control(to_platform_device(dev), false);
-
-	return 0;
-}
-
-static int exynos4_tmu_resume(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	exynos4_tmu_initialize(pdev);
-	exynos4_tmu_control(pdev, true);
-
-	return 0;
-}
-
-static SIMPLE_DEV_PM_OPS(exynos4_tmu_pm,
-			 exynos4_tmu_suspend, exynos4_tmu_resume);
-#define EXYNOS4_TMU_PM	&exynos4_tmu_pm
-#else
-#define EXYNOS4_TMU_PM	NULL
-#endif
-
-static struct platform_driver exynos4_tmu_driver = {
-	.driver = {
-		.name   = "exynos4-tmu",
-		.owner  = THIS_MODULE,
-		.pm     = EXYNOS4_TMU_PM,
-	},
-	.probe = exynos4_tmu_probe,
-	.remove	= __devexit_p(exynos4_tmu_remove),
-};
-
-module_platform_driver(exynos4_tmu_driver);
-
-MODULE_DESCRIPTION("EXYNOS4 TMU Driver");
-MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:exynos4-tmu");
diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index 68ad7d25551..4f411040738 100644
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -2,7 +2,7 @@
  * fam15h_power.c - AMD Family 15h processor power monitoring
  *
  * Copyright (c) 2011 Advanced Micro Devices, Inc.
- * Author: Andreas Herrmann <andreas.herrmann3@amd.com>
+ * Author: Andreas Herrmann <herrmann.der.user@googlemail.com>
  *
  *
  * This driver is free software; you can redistribute it and/or
@@ -28,7 +28,7 @@
 #include <asm/processor.h>
 
 MODULE_DESCRIPTION("AMD Family 15h CPU processor power monitor");
-MODULE_AUTHOR("Andreas Herrmann <andreas.herrmann3@amd.com>");
+MODULE_AUTHOR("Andreas Herrmann <herrmann.der.user@googlemail.com>");
 MODULE_LICENSE("GPL");
 
 /* D18F3 */
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index 36509ae3208..1381a2e3bbd 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -630,7 +630,9 @@ static struct platform_driver gpio_fan_driver = {
 	.driver	= {
 		.name	= "gpio-fan",
 		.pm	= GPIO_FAN_PM,
+#ifdef CONFIG_OF_GPIO
 		.of_match_table = of_match_ptr(of_gpio_fan_match),
+#endif
 	},
 };
 
diff --git a/drivers/hwmon/hih6130.c b/drivers/hwmon/hih6130.c
index e8ee75f5547..9a675efaa78 100644
--- a/drivers/hwmon/hih6130.c
+++ b/drivers/hwmon/hih6130.c
@@ -33,6 +33,7 @@
 #include <linux/mutex.h>
 #include <linux/device.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 
 /**
  * struct hih6130 - HIH-6130 device specific data
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index a18882cc073..46141abaafb 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -21,12 +21,10 @@
  */
 
 #include <linux/module.h>
-#include <linux/jiffies.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
-#include <linux/delay.h>
 #include <linux/log2.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index 37f17e0d9d5..a14f634248e 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -36,6 +36,7 @@
 #include <linux/platform_device.h>
 #include <linux/math64.h>
 #include <linux/time.h>
+#include <linux/err.h>
 
 #define REFRESH_INTERVAL	(HZ)
 #define IPMI_TIMEOUT		(30 * HZ)
diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c
index 41dbf8161ed..b622a93ec32 100644
--- a/drivers/hwmon/ibmpex.c
+++ b/drivers/hwmon/ibmpex.c
@@ -26,6 +26,7 @@
 #include <linux/jiffies.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
+#include <linux/err.h>
 
 #define REFRESH_INTERVAL	(2 * HZ)
 #define DRVNAME			"ibmpex"
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index 70717d4a5e8..2b726346f8f 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -33,6 +33,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/jiffies.h>
 
 #include <linux/platform_data/ina2xx.h>
 
diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index 49a69c5b3b8..e8c7fb0bbf9 100644
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -22,7 +22,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/jiffies.h>
diff --git a/drivers/hwmon/lineage-pem.c b/drivers/hwmon/lineage-pem.c
index bd75d241543..41df29f59b0 100644
--- a/drivers/hwmon/lineage-pem.c
+++ b/drivers/hwmon/lineage-pem.c
@@ -29,6 +29,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/jiffies.h>
 
 /*
  * This driver supports various Lineage Compact Power Line DC/DC and AC/DC
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 2282d77e83e..71626f3c874 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -48,6 +48,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/jiffies.h>
 
 /*
  * The LM92 and MAX6635 have 2 two-state pins for address selection,
diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c
index c3d4255ed15..1a003f73e4e 100644
--- a/drivers/hwmon/lm93.c
+++ b/drivers/hwmon/lm93.c
@@ -47,6 +47,7 @@
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 
 /* LM93 REGISTER ADDRESSES */
 
diff --git a/drivers/hwmon/ltc4151.c b/drivers/hwmon/ltc4151.c
index 8496baa08bc..4319a94f549 100644
--- a/drivers/hwmon/ltc4151.c
+++ b/drivers/hwmon/ltc4151.c
@@ -36,6 +36,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/jiffies.h>
 
 /* chip registers */
 #define LTC4151_SENSE_H	0x00
diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
index 98b3d04f98b..e8876108a6b 100644
--- a/drivers/hwmon/ltc4215.c
+++ b/drivers/hwmon/ltc4215.c
@@ -19,6 +19,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/jiffies.h>
 
 /* Here are names of the chip's registers (a.k.a. commands) */
 enum ltc4215_cmd {
diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c
index 52075914eb0..3653f79dc2d 100644
--- a/drivers/hwmon/ltc4245.c
+++ b/drivers/hwmon/ltc4245.c
@@ -21,6 +21,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/jiffies.h>
 #include <linux/i2c/ltc4245.h>
 
 /* Here are names of the chip's registers (a.k.a. commands) */
diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c
index 77476a575c4..84a2d2872b2 100644
--- a/drivers/hwmon/ltc4261.c
+++ b/drivers/hwmon/ltc4261.c
@@ -33,6 +33,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/jiffies.h>
 
 /* chip registers */
 #define LTC4261_STATUS	0x00	/* readonly */
diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c
index 019427d7a5f..e0019c69d1b 100644
--- a/drivers/hwmon/max16065.c
+++ b/drivers/hwmon/max16065.c
@@ -22,7 +22,6 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
-#include <linux/delay.h>
 #include <linux/jiffies.h>
 
 enum chips { max16065, max16066, max16067, max16068, max16070, max16071 };
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 6c11ec21407..445e5d40ac8 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -1,7 +1,7 @@
 /*
  * max1619.c - Part of lm_sensors, Linux kernel modules for hardware
  *             monitoring
- * Copyright (C) 2003-2004 Alexey Fisher <fishor@mail.ru>
+ * Copyright (C) 2003-2004 Oleksij Rempel <bug-track@fisher-privat.net>
  *                         Jean Delvare <khali@linux-fr.org>
  *
  * Based on the lm90 driver. The MAX1619 is a sensor chip made by Maxim.
@@ -357,7 +357,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
 
 module_i2c_driver(max1619_driver);
 
-MODULE_AUTHOR("Alexey Fisher <fishor@mail.ru> and "
+MODULE_AUTHOR("Oleksij Rempel <bug-track@fisher-privat.net> and "
 	"Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("MAX1619 sensor driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/max6642.c b/drivers/hwmon/max6642.c
index bf236c0782b..223461a6d70 100644
--- a/drivers/hwmon/max6642.c
+++ b/drivers/hwmon/max6642.c
@@ -7,7 +7,7 @@
  * Derived from:
  *
  *  Based on the max1619 driver.
- *  Copyright (C) 2003-2004 Alexey Fisher <fishor@mail.ru>
+ *  Copyright (C) 2003-2004 Oleksij Rempel <bug-track@fisher-privat.net>
  *                          Jean Delvare <khali@linux-fr.org>
  *
  * The MAX6642 is a sensor chip made by Maxim.
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 2ca6a5a4f5a..60745a53582 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig PMBUS
 	tristate "PMBus support"
-	depends on I2C && EXPERIMENTAL
+	depends on I2C
 	default n
 	help
 	  Say yes here if you want to enable PMBus support.
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 29b319db573..7d19b1bb9ce 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -26,7 +26,7 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
-#include <linux/delay.h>
+#include <linux/jiffies.h>
 #include <linux/i2c/pmbus.h>
 #include "pmbus.h"
 
diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c
index fe11b95670b..bcecd025fcc 100644
--- a/drivers/hwmon/s3c-hwmon.c
+++ b/drivers/hwmon/s3c-hwmon.c
@@ -22,7 +22,6 @@
 
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/init.h>
 #include <linux/err.h>
diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c
index c2565d04cd4..5f67546950b 100644
--- a/drivers/hwmon/sht21.c
+++ b/drivers/hwmon/sht21.c
@@ -29,6 +29,7 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/device.h>
+#include <linux/jiffies.h>
 
 /* I2C command bytes */
 #define SHT21_TRIG_T_MEASUREMENT_HM  0xe3
diff --git a/drivers/hwmon/smm665.c b/drivers/hwmon/smm665.c
index cbc51fb30db..d9e1b7de78d 100644
--- a/drivers/hwmon/smm665.c
+++ b/drivers/hwmon/smm665.c
@@ -24,6 +24,7 @@
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 
 /* Internal reference voltage (VREF, x 1000 */
 #define SMM665_VREF_ADC_X1000	1250
diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c
index 080c2637048..3c2c48d904e 100644
--- a/drivers/hwmon/thmc50.c
+++ b/drivers/hwmon/thmc50.c
@@ -28,6 +28,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/jiffies.h>
 
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index 4e1ff82c63e..b8777e54190 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -26,6 +26,7 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/device.h>
+#include <linux/jiffies.h>
 
 #define	DRIVER_NAME "tmp102"
 
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index c315c59f61f..44136bb6d04 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -12,6 +12,7 @@
 #include <linux/io.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
 
 #define DRV_MODULE_VERSION	"0.1"
 
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index 93ea81a4bf3..39ab7bcc616 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -41,6 +41,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/jiffies.h>
 
 #define NUMBER_OF_VIN		10
 #define NUMBER_OF_FANIN		5
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index 06d6f56d4f6..053645279f3 100644
--- a/drivers/hwmon/w83792d.c
+++ b/drivers/hwmon/w83792d.c
@@ -44,6 +44,7 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/sysfs.h>
+#include <linux/jiffies.h>
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 4fc47e06207..99799fd1d91 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -46,6 +46,7 @@
 #include <linux/kref.h>
 #include <linux/notifier.h>
 #include <linux/reboot.h>
+#include <linux/jiffies.h>
 
 /* Default values */
 #define WATCHDOG_TIMEOUT 2	/* 2 minute default timeout */
diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
index b813c646c7c..55a4f489453 100644
--- a/drivers/hwmon/w83795.c
+++ b/drivers/hwmon/w83795.c
@@ -34,7 +34,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
-#include <linux/delay.h>
+#include <linux/jiffies.h>
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = {
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index c99c8a0473c..f0e8286c3c7 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -33,6 +33,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/jiffies.h>
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2e, 0x2f, I2C_CLIENT_END };
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index beee6b2d361..1722f50f247 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_I2C_SMBUS)		+= i2c-smbus.o
 obj-$(CONFIG_I2C_CHARDEV)	+= i2c-dev.o
 obj-$(CONFIG_I2C_MUX)		+= i2c-mux.o
 obj-y				+= algos/ busses/ muxes/
+obj-$(CONFIG_I2C_STUB)		+= i2c-stub.o
 
 ccflags-$(CONFIG_I2C_DEBUG_CORE) := -DDEBUG
 CFLAGS_i2c-core.o := -Wno-deprecated-declarations
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 6f5f98d69af..f892a424009 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -46,14 +46,19 @@ static int i2c_debug;
 #define pca_set_con(adap, val) pca_outw(adap, I2C_PCA_CON, val)
 #define pca_get_con(adap) pca_inw(adap, I2C_PCA_CON)
 #define pca_wait(adap) adap->wait_for_completion(adap->data)
-#define pca_reset(adap) adap->reset_chip(adap->data)
 
-static void pca9665_reset(void *pd)
+static void pca_reset(struct i2c_algo_pca_data *adap)
 {
-	struct i2c_algo_pca_data *adap = pd;
-	pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IPRESET);
-	pca_outw(adap, I2C_PCA_IND, 0xA5);
-	pca_outw(adap, I2C_PCA_IND, 0x5A);
+	if (adap->chip == I2C_PCA_CHIP_9665) {
+		/* Ignore the reset function from the module,
+		 * we can use the parallel bus reset.
+		 */
+		pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IPRESET);
+		pca_outw(adap, I2C_PCA_IND, 0xA5);
+		pca_outw(adap, I2C_PCA_IND, 0x5A);
+	} else {
+		adap->reset_chip(adap->data);
+	}
 }
 
 /*
@@ -378,11 +383,12 @@ static unsigned int pca_probe_chip(struct i2c_adapter *adap)
 	pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_IADR);
 	if (pca_inw(pca_data, I2C_PCA_IND) == 0xAA) {
 		printk(KERN_INFO "%s: PCA9665 detected.\n", adap->name);
-		return I2C_PCA_CHIP_9665;
+		pca_data->chip = I2C_PCA_CHIP_9665;
 	} else {
 		printk(KERN_INFO "%s: PCA9564 detected.\n", adap->name);
-		return I2C_PCA_CHIP_9564;
+		pca_data->chip = I2C_PCA_CHIP_9564;
 	}
+	return pca_data->chip;
 }
 
 static int pca_init(struct i2c_adapter *adap)
@@ -456,11 +462,6 @@ static int pca_init(struct i2c_adapter *adap)
 		 */
 		int raise_fall_time;
 
-		/* Ignore the reset function from the module,
-		 * we can use the parallel bus reset
-		 */
-		pca_data->reset_chip = pca9665_reset;
-
 		if (pca_data->i2c_clock > 1265800) {
 			printk(KERN_WARNING "%s: I2C clock speed too high."
 				" Using 1265.8kHz.\n", adap->name);
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index ff01c389e2d..e9df4612b7e 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -81,7 +81,6 @@ config I2C_I801
 	tristate "Intel 82801 (ICH/PCH)"
 	depends on PCI
 	select CHECK_SIGNATURE if X86 && DMI
-	select GPIOLIB if I2C_MUX
 	help
 	  If you say yes to this option, support will be included for the Intel
 	  801 family of mainboard I2C interfaces.  Specifically, the following
@@ -294,18 +293,21 @@ comment "I2C system bus drivers (mostly embedded / system-on-chip)"
 
 config I2C_AT91
 	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
-	depends on ARCH_AT91 && EXPERIMENTAL && BROKEN
+	depends on ARCH_AT91 && EXPERIMENTAL
 	help
 	  This supports the use of the I2C interface on Atmel AT91
 	  processors.
 
-	  This driver is BROKEN because the controller which it uses
-	  will easily trigger RX overrun and TX underrun errors.  Using
-	  low I2C clock rates may partially work around those issues
-	  on some systems.  Another serious problem is that there is no
-	  documented way to issue repeated START conditions, as needed
+	  A serious problem is that there is no documented way to issue
+	  repeated START conditions for more than two messages, as needed
 	  to support combined I2C messages.  Use the i2c-gpio driver
-	  unless your system can cope with those limitations.
+	  unless your system can cope with this limitation.
+
+	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
+	  don't have clock stretching in transmission mode. For that reason,
+	  you can encounter underrun issues causing premature stop sendings if
+	  the latency to fill the transmission register is too long. If you
+	  are facing this situation, use the i2c-gpio driver.
 
 config I2C_AU1550
 	tristate "Au1550/Au1200/Au1300 SMBus interface"
@@ -718,6 +720,16 @@ config I2C_XLR
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-xlr.
 
+config I2C_RCAR
+	tristate "Renesas R-Car I2C Controller"
+	depends on ARCH_SHMOBILE && I2C
+	help
+	  If you say yes to this option, support will be included for the
+	  R-Car I2C controller.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called i2c-rcar.
+
 comment "External I2C/SMBus adapter drivers"
 
 config I2C_DIOLAN_U2C
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index 37c4182cc98..395b516ffa0 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -71,6 +71,7 @@ obj-$(CONFIG_I2C_VERSATILE)	+= i2c-versatile.o
 obj-$(CONFIG_I2C_OCTEON)	+= i2c-octeon.o
 obj-$(CONFIG_I2C_XILINX)	+= i2c-xiic.o
 obj-$(CONFIG_I2C_XLR)		+= i2c-xlr.o
+obj-$(CONFIG_I2C_RCAR)		+= i2c-rcar.o
 
 # External I2C/SMBus adapter drivers
 obj-$(CONFIG_I2C_DIOLAN_U2C)	+= i2c-diolan-u2c.o
@@ -84,7 +85,6 @@ obj-$(CONFIG_I2C_ACORN)		+= i2c-acorn.o
 obj-$(CONFIG_I2C_ELEKTOR)	+= i2c-elektor.o
 obj-$(CONFIG_I2C_PCA_ISA)	+= i2c-pca-isa.o
 obj-$(CONFIG_I2C_SIBYTE)	+= i2c-sibyte.o
-obj-$(CONFIG_I2C_STUB)		+= i2c-stub.o
 obj-$(CONFIG_SCx200_ACB)	+= scx200_acb.o
 obj-$(CONFIG_SCx200_I2C)	+= scx200_i2c.o
 
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index e24484beef0..aa59a254be2 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -1,315 +1,554 @@
 /*
-    i2c Support for Atmel's AT91 Two-Wire Interface (TWI)
-
-    Copyright (C) 2004 Rick Bronson
-    Converted to 2.6 by Andrew Victor <andrew@sanpeople.com>
-
-    Borrowed heavily from original work by:
-    Copyright (C) 2000 Philip Edelbrock <phil@stimpy.netroedge.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-*/
+ *  i2c Support for Atmel's AT91 Two-Wire Interface (TWI)
+ *
+ *  Copyright (C) 2011 Weinmann Medical GmbH
+ *  Author: Nikolaus Voss <n.voss@weinmann.de>
+ *
+ *  Evolved from original work by:
+ *  Copyright (C) 2004 Rick Bronson
+ *  Converted to 2.6 by Andrew Victor <andrew@sanpeople.com>
+ *
+ *  Borrowed heavily from original work by:
+ *  Copyright (C) 2000 Philip Edelbrock <phil@stimpy.netroedge.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ */
 
-#include <linux/module.h>
-#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/completion.h>
 #include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/delay.h>
 #include <linux/i2c.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-#include <linux/platform_device.h>
+#include <linux/interrupt.h>
 #include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_i2c.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#define TWI_CLK_HZ		100000			/* max 400 Kbits/s */
+#define AT91_I2C_TIMEOUT	msecs_to_jiffies(100)	/* transfer timeout */
+
+/* AT91 TWI register definitions */
+#define	AT91_TWI_CR		0x0000	/* Control Register */
+#define	AT91_TWI_START		0x0001	/* Send a Start Condition */
+#define	AT91_TWI_STOP		0x0002	/* Send a Stop Condition */
+#define	AT91_TWI_MSEN		0x0004	/* Master Transfer Enable */
+#define	AT91_TWI_SVDIS		0x0020	/* Slave Transfer Disable */
+#define	AT91_TWI_SWRST		0x0080	/* Software Reset */
+
+#define	AT91_TWI_MMR		0x0004	/* Master Mode Register */
+#define	AT91_TWI_IADRSZ_1	0x0100	/* Internal Device Address Size */
+#define	AT91_TWI_MREAD		0x1000	/* Master Read Direction */
+
+#define	AT91_TWI_IADR		0x000c	/* Internal Address Register */
+
+#define	AT91_TWI_CWGR		0x0010	/* Clock Waveform Generator Reg */
+
+#define	AT91_TWI_SR		0x0020	/* Status Register */
+#define	AT91_TWI_TXCOMP		0x0001	/* Transmission Complete */
+#define	AT91_TWI_RXRDY		0x0002	/* Receive Holding Register Ready */
+#define	AT91_TWI_TXRDY		0x0004	/* Transmit Holding Register Ready */
 
-#include <mach/at91_twi.h>
-#include <mach/board.h>
-#include <mach/cpu.h>
+#define	AT91_TWI_OVRE		0x0040	/* Overrun Error */
+#define	AT91_TWI_UNRE		0x0080	/* Underrun Error */
+#define	AT91_TWI_NACK		0x0100	/* Not Acknowledged */
 
-#define TWI_CLOCK		100000		/* Hz. max 400 Kbits/sec */
+#define	AT91_TWI_IER		0x0024	/* Interrupt Enable Register */
+#define	AT91_TWI_IDR		0x0028	/* Interrupt Disable Register */
+#define	AT91_TWI_IMR		0x002c	/* Interrupt Mask Register */
+#define	AT91_TWI_RHR		0x0030	/* Receive Holding Register */
+#define	AT91_TWI_THR		0x0034	/* Transmit Holding Register */
 
+struct at91_twi_pdata {
+	unsigned	clk_max_div;
+	unsigned	clk_offset;
+	bool		has_unre_flag;
+};
+
+struct at91_twi_dev {
+	struct device		*dev;
+	void __iomem		*base;
+	struct completion	cmd_complete;
+	struct clk		*clk;
+	u8			*buf;
+	size_t			buf_len;
+	struct i2c_msg		*msg;
+	int			irq;
+	unsigned		transfer_status;
+	struct i2c_adapter	adapter;
+	unsigned		twi_cwgr_reg;
+	struct at91_twi_pdata	*pdata;
+};
 
-static struct clk *twi_clk;
-static void __iomem *twi_base;
+static unsigned at91_twi_read(struct at91_twi_dev *dev, unsigned reg)
+{
+	return readl_relaxed(dev->base + reg);
+}
+
+static void at91_twi_write(struct at91_twi_dev *dev, unsigned reg, unsigned val)
+{
+	writel_relaxed(val, dev->base + reg);
+}
 
-#define at91_twi_read(reg)		__raw_readl(twi_base + (reg))
-#define at91_twi_write(reg, val)	__raw_writel((val), twi_base + (reg))
+static void at91_disable_twi_interrupts(struct at91_twi_dev *dev)
+{
+	at91_twi_write(dev, AT91_TWI_IDR,
+		       AT91_TWI_TXCOMP | AT91_TWI_RXRDY | AT91_TWI_TXRDY);
+}
 
+static void at91_init_twi_bus(struct at91_twi_dev *dev)
+{
+	at91_disable_twi_interrupts(dev);
+	at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_SWRST);
+	at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_MSEN);
+	at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_SVDIS);
+	at91_twi_write(dev, AT91_TWI_CWGR, dev->twi_cwgr_reg);
+}
 
 /*
- * Initialize the TWI hardware registers.
+ * Calculate symmetric clock as stated in datasheet:
+ * twi_clk = F_MAIN / (2 * (cdiv * (1 << ckdiv) + offset))
  */
-static void __devinit at91_twi_hwinit(void)
+static void __devinit at91_calc_twi_clock(struct at91_twi_dev *dev, int twi_clk)
 {
-	unsigned long cdiv, ckdiv;
-
-	at91_twi_write(AT91_TWI_IDR, 0xffffffff);	/* Disable all interrupts */
-	at91_twi_write(AT91_TWI_CR, AT91_TWI_SWRST);	/* Reset peripheral */
-	at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN);	/* Set Master mode */
-
-	/* Calcuate clock dividers */
-	cdiv = (clk_get_rate(twi_clk) / (2 * TWI_CLOCK)) - 3;
-	cdiv = cdiv + 1;	/* round up */
-	ckdiv = 0;
-	while (cdiv > 255) {
-		ckdiv++;
-		cdiv = cdiv >> 1;
+	int ckdiv, cdiv, div;
+	struct at91_twi_pdata *pdata = dev->pdata;
+	int offset = pdata->clk_offset;
+	int max_ckdiv = pdata->clk_max_div;
+
+	div = max(0, (int)DIV_ROUND_UP(clk_get_rate(dev->clk),
+				       2 * twi_clk) - offset);
+	ckdiv = fls(div >> 8);
+	cdiv = div >> ckdiv;
+
+	if (ckdiv > max_ckdiv) {
+		dev_warn(dev->dev, "%d exceeds ckdiv max value which is %d.\n",
+			 ckdiv, max_ckdiv);
+		ckdiv = max_ckdiv;
+		cdiv = 255;
 	}
 
-	if (cpu_is_at91rm9200()) {			/* AT91RM9200 Errata #22 */
-		if (ckdiv > 5) {
-			printk(KERN_ERR "AT91 I2C: Invalid TWI_CLOCK value!\n");
-			ckdiv = 5;
-		}
-	}
+	dev->twi_cwgr_reg = (ckdiv << 16) | (cdiv << 8) | cdiv;
+	dev_dbg(dev->dev, "cdiv %d ckdiv %d\n", cdiv, ckdiv);
+}
 
-	at91_twi_write(AT91_TWI_CWGR, (ckdiv << 16) | (cdiv << 8) | cdiv);
+static void at91_twi_write_next_byte(struct at91_twi_dev *dev)
+{
+	if (dev->buf_len <= 0)
+		return;
+
+	at91_twi_write(dev, AT91_TWI_THR, *dev->buf);
+
+	/* send stop when last byte has been written */
+	if (--dev->buf_len == 0)
+		at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP);
+
+	dev_dbg(dev->dev, "wrote 0x%x, to go %d\n", *dev->buf, dev->buf_len);
+
+	++dev->buf;
 }
 
-/*
- * Poll the i2c status register until the specified bit is set.
- * Returns 0 if timed out (100 msec).
- */
-static short at91_poll_status(unsigned long bit)
+static void at91_twi_read_next_byte(struct at91_twi_dev *dev)
 {
-	int loop_cntr = 10000;
+	if (dev->buf_len <= 0)
+		return;
+
+	*dev->buf = at91_twi_read(dev, AT91_TWI_RHR) & 0xff;
+	--dev->buf_len;
+
+	/* handle I2C_SMBUS_BLOCK_DATA */
+	if (unlikely(dev->msg->flags & I2C_M_RECV_LEN)) {
+		dev->msg->flags &= ~I2C_M_RECV_LEN;
+		dev->buf_len += *dev->buf;
+		dev->msg->len = dev->buf_len + 1;
+		dev_dbg(dev->dev, "received block length %d\n", dev->buf_len);
+	}
+
+	/* send stop if second but last byte has been read */
+	if (dev->buf_len == 1)
+		at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP);
 
-	do {
-		udelay(10);
-	} while (!(at91_twi_read(AT91_TWI_SR) & bit) && (--loop_cntr > 0));
+	dev_dbg(dev->dev, "read 0x%x, to go %d\n", *dev->buf, dev->buf_len);
 
-	return (loop_cntr > 0);
+	++dev->buf;
 }
 
-static int xfer_read(struct i2c_adapter *adap, unsigned char *buf, int length)
+static irqreturn_t atmel_twi_interrupt(int irq, void *dev_id)
 {
-	/* Send Start */
-	at91_twi_write(AT91_TWI_CR, AT91_TWI_START);
-
-	/* Read data */
-	while (length--) {
-		if (!length)	/* need to send Stop before reading last byte */
-			at91_twi_write(AT91_TWI_CR, AT91_TWI_STOP);
-		if (!at91_poll_status(AT91_TWI_RXRDY)) {
-			dev_dbg(&adap->dev, "RXRDY timeout\n");
-			return -ETIMEDOUT;
-		}
-		*buf++ = (at91_twi_read(AT91_TWI_RHR) & 0xff);
+	struct at91_twi_dev *dev = dev_id;
+	const unsigned status = at91_twi_read(dev, AT91_TWI_SR);
+	const unsigned irqstatus = status & at91_twi_read(dev, AT91_TWI_IMR);
+
+	if (!irqstatus)
+		return IRQ_NONE;
+	else if (irqstatus & AT91_TWI_RXRDY)
+		at91_twi_read_next_byte(dev);
+	else if (irqstatus & AT91_TWI_TXRDY)
+		at91_twi_write_next_byte(dev);
+
+	/* catch error flags */
+	dev->transfer_status |= status;
+
+	if (irqstatus & AT91_TWI_TXCOMP) {
+		at91_disable_twi_interrupts(dev);
+		complete(&dev->cmd_complete);
 	}
 
-	return 0;
+	return IRQ_HANDLED;
 }
 
-static int xfer_write(struct i2c_adapter *adap, unsigned char *buf, int length)
+static int at91_do_twi_transfer(struct at91_twi_dev *dev)
 {
-	/* Load first byte into transmitter */
-	at91_twi_write(AT91_TWI_THR, *buf++);
+	int ret;
+	bool has_unre_flag = dev->pdata->has_unre_flag;
 
-	/* Send Start */
-	at91_twi_write(AT91_TWI_CR, AT91_TWI_START);
+	dev_dbg(dev->dev, "transfer: %s %d bytes.\n",
+		(dev->msg->flags & I2C_M_RD) ? "read" : "write", dev->buf_len);
 
-	do {
-		if (!at91_poll_status(AT91_TWI_TXRDY)) {
-			dev_dbg(&adap->dev, "TXRDY timeout\n");
-			return -ETIMEDOUT;
-		}
+	INIT_COMPLETION(dev->cmd_complete);
+	dev->transfer_status = 0;
+	if (dev->msg->flags & I2C_M_RD) {
+		unsigned start_flags = AT91_TWI_START;
 
-		length--;	/* byte was transmitted */
+		if (at91_twi_read(dev, AT91_TWI_SR) & AT91_TWI_RXRDY) {
+			dev_err(dev->dev, "RXRDY still set!");
+			at91_twi_read(dev, AT91_TWI_RHR);
+		}
 
-		if (length > 0)		/* more data to send? */
-			at91_twi_write(AT91_TWI_THR, *buf++);
-	} while (length);
+		/* if only one byte is to be read, immediately stop transfer */
+		if (dev->buf_len <= 1 && !(dev->msg->flags & I2C_M_RECV_LEN))
+			start_flags |= AT91_TWI_STOP;
+		at91_twi_write(dev, AT91_TWI_CR, start_flags);
+		at91_twi_write(dev, AT91_TWI_IER,
+			       AT91_TWI_TXCOMP | AT91_TWI_RXRDY);
+	} else {
+		at91_twi_write_next_byte(dev);
+		at91_twi_write(dev, AT91_TWI_IER,
+			       AT91_TWI_TXCOMP | AT91_TWI_TXRDY);
+	}
 
-	/* Send Stop */
-	at91_twi_write(AT91_TWI_CR, AT91_TWI_STOP);
+	ret = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
+							dev->adapter.timeout);
+	if (ret == 0) {
+		dev_err(dev->dev, "controller timed out\n");
+		at91_init_twi_bus(dev);
+		return -ETIMEDOUT;
+	}
+	if (dev->transfer_status & AT91_TWI_NACK) {
+		dev_dbg(dev->dev, "received nack\n");
+		return -EREMOTEIO;
+	}
+	if (dev->transfer_status & AT91_TWI_OVRE) {
+		dev_err(dev->dev, "overrun while reading\n");
+		return -EIO;
+	}
+	if (has_unre_flag && dev->transfer_status & AT91_TWI_UNRE) {
+		dev_err(dev->dev, "underrun while writing\n");
+		return -EIO;
+	}
+	dev_dbg(dev->dev, "transfer complete\n");
 
 	return 0;
 }
 
-/*
- * Generic i2c master transfer entrypoint.
- *
- * Note: We do not use Atmel's feature of storing the "internal device address".
- * Instead the "internal device address" has to be written using a separate
- * i2c message.
- * http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2004-September/024411.html
- */
-static int at91_xfer(struct i2c_adapter *adap, struct i2c_msg *pmsg, int num)
+static int at91_twi_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, int num)
 {
-	int i, ret;
+	struct at91_twi_dev *dev = i2c_get_adapdata(adap);
+	int ret;
+	unsigned int_addr_flag = 0;
+	struct i2c_msg *m_start = msg;
 
 	dev_dbg(&adap->dev, "at91_xfer: processing %d messages:\n", num);
 
-	for (i = 0; i < num; i++) {
-		dev_dbg(&adap->dev, " #%d: %sing %d byte%s %s 0x%02x\n", i,
-			pmsg->flags & I2C_M_RD ? "read" : "writ",
-			pmsg->len, pmsg->len > 1 ? "s" : "",
-			pmsg->flags & I2C_M_RD ? "from" : "to",	pmsg->addr);
-
-		at91_twi_write(AT91_TWI_MMR, (pmsg->addr << 16)
-			| ((pmsg->flags & I2C_M_RD) ? AT91_TWI_MREAD : 0));
-
-		if (pmsg->len && pmsg->buf) {	/* sanity check */
-			if (pmsg->flags & I2C_M_RD)
-				ret = xfer_read(adap, pmsg->buf, pmsg->len);
-			else
-				ret = xfer_write(adap, pmsg->buf, pmsg->len);
-
-			if (ret)
-				return ret;
-
-			/* Wait until transfer is finished */
-			if (!at91_poll_status(AT91_TWI_TXCOMP)) {
-				dev_dbg(&adap->dev, "TXCOMP timeout\n");
-				return -ETIMEDOUT;
-			}
+	/*
+	 * The hardware can handle at most two messages concatenated by a
+	 * repeated start via it's internal address feature.
+	 */
+	if (num > 2) {
+		dev_err(dev->dev,
+			"cannot handle more than two concatenated messages.\n");
+		return 0;
+	} else if (num == 2) {
+		int internal_address = 0;
+		int i;
+
+		if (msg->flags & I2C_M_RD) {
+			dev_err(dev->dev, "first transfer must be write.\n");
+			return -EINVAL;
 		}
-		dev_dbg(&adap->dev, "transfer complete\n");
-		pmsg++;		/* next message */
+		if (msg->len > 3) {
+			dev_err(dev->dev, "first message size must be <= 3.\n");
+			return -EINVAL;
+		}
+
+		/* 1st msg is put into the internal address, start with 2nd */
+		m_start = &msg[1];
+		for (i = 0; i < msg->len; ++i) {
+			const unsigned addr = msg->buf[msg->len - 1 - i];
+
+			internal_address |= addr << (8 * i);
+			int_addr_flag += AT91_TWI_IADRSZ_1;
+		}
+		at91_twi_write(dev, AT91_TWI_IADR, internal_address);
 	}
-	return i;
+
+	at91_twi_write(dev, AT91_TWI_MMR, (m_start->addr << 16) | int_addr_flag
+		       | ((m_start->flags & I2C_M_RD) ? AT91_TWI_MREAD : 0));
+
+	dev->buf_len = m_start->len;
+	dev->buf = m_start->buf;
+	dev->msg = m_start;
+
+	ret = at91_do_twi_transfer(dev);
+
+	return (ret < 0) ? ret : num;
 }
 
-/*
- * Return list of supported functionality.
- */
-static u32 at91_func(struct i2c_adapter *adapter)
+static u32 at91_twi_func(struct i2c_adapter *adapter)
 {
-	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL
+		| I2C_FUNC_SMBUS_READ_BLOCK_DATA;
 }
 
-static struct i2c_algorithm at91_algorithm = {
-	.master_xfer	= at91_xfer,
-	.functionality	= at91_func,
+static struct i2c_algorithm at91_twi_algorithm = {
+	.master_xfer	= at91_twi_xfer,
+	.functionality	= at91_twi_func,
 };
 
-/*
- * Main initialization routine.
- */
-static int __devinit at91_i2c_probe(struct platform_device *pdev)
-{
-	struct i2c_adapter *adapter;
-	struct resource *res;
-	int rc;
+static struct at91_twi_pdata at91rm9200_config = {
+	.clk_max_div = 5,
+	.clk_offset = 3,
+	.has_unre_flag = true,
+};
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENXIO;
+static struct at91_twi_pdata at91sam9261_config = {
+	.clk_max_div = 5,
+	.clk_offset = 4,
+	.has_unre_flag = false,
+};
 
-	if (!request_mem_region(res->start, resource_size(res), "at91_i2c"))
-		return -EBUSY;
+static struct at91_twi_pdata at91sam9260_config = {
+	.clk_max_div = 7,
+	.clk_offset = 4,
+	.has_unre_flag = false,
+};
+
+static struct at91_twi_pdata at91sam9g20_config = {
+	.clk_max_div = 7,
+	.clk_offset = 4,
+	.has_unre_flag = false,
+};
+
+static struct at91_twi_pdata at91sam9g10_config = {
+	.clk_max_div = 7,
+	.clk_offset = 4,
+	.has_unre_flag = false,
+};
 
-	twi_base = ioremap(res->start, resource_size(res));
-	if (!twi_base) {
-		rc = -ENOMEM;
-		goto fail0;
+static struct at91_twi_pdata at91sam9x5_config = {
+	.clk_max_div = 7,
+	.clk_offset = 4,
+	.has_unre_flag = false,
+};
+
+static const struct platform_device_id at91_twi_devtypes[] = {
+	{
+		.name = "i2c-at91rm9200",
+		.driver_data = (unsigned long) &at91rm9200_config,
+	}, {
+		.name = "i2c-at91sam9261",
+		.driver_data = (unsigned long) &at91sam9261_config,
+	}, {
+		.name = "i2c-at91sam9260",
+		.driver_data = (unsigned long) &at91sam9260_config,
+	}, {
+		.name = "i2c-at91sam9g20",
+		.driver_data = (unsigned long) &at91sam9g20_config,
+	}, {
+		.name = "i2c-at91sam9g10",
+		.driver_data = (unsigned long) &at91sam9g10_config,
+	}, {
+		/* sentinel */
 	}
+};
 
-	twi_clk = clk_get(NULL, "twi_clk");
-	if (IS_ERR(twi_clk)) {
-		dev_err(&pdev->dev, "no clock defined\n");
-		rc = -ENODEV;
-		goto fail1;
+#if defined(CONFIG_OF)
+static const struct of_device_id atmel_twi_dt_ids[] = {
+	{
+		.compatible = "atmel,at91sam9260-i2c",
+		.data = &at91sam9260_config,
+	} , {
+		.compatible = "atmel,at91sam9g20-i2c",
+		.data = &at91sam9g20_config,
+	} , {
+		.compatible = "atmel,at91sam9g10-i2c",
+		.data = &at91sam9g10_config,
+	}, {
+		.compatible = "atmel,at91sam9x5-i2c",
+		.data = &at91sam9x5_config,
+	}, {
+		/* sentinel */
 	}
+};
+MODULE_DEVICE_TABLE(of, atmel_twi_dt_ids);
+#else
+#define atmel_twi_dt_ids NULL
+#endif
 
-	adapter = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
-	if (adapter == NULL) {
-		dev_err(&pdev->dev, "can't allocate inteface!\n");
-		rc = -ENOMEM;
-		goto fail2;
+static struct at91_twi_pdata * __devinit at91_twi_get_driver_data(
+					struct platform_device *pdev)
+{
+	if (pdev->dev.of_node) {
+		const struct of_device_id *match;
+		match = of_match_node(atmel_twi_dt_ids, pdev->dev.of_node);
+		if (!match)
+			return NULL;
+		return match->data;
 	}
-	snprintf(adapter->name, sizeof(adapter->name), "AT91");
-	adapter->algo = &at91_algorithm;
-	adapter->class = I2C_CLASS_HWMON;
-	adapter->dev.parent = &pdev->dev;
-	/* adapter->id == 0 ... only one TWI controller for now */
+	return (struct at91_twi_pdata *) platform_get_device_id(pdev)->driver_data;
+}
+
+static int __devinit at91_twi_probe(struct platform_device *pdev)
+{
+	struct at91_twi_dev *dev;
+	struct resource *mem;
+	int rc;
+
+	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+	init_completion(&dev->cmd_complete);
+	dev->dev = &pdev->dev;
+
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem)
+		return -ENODEV;
+
+	dev->pdata = at91_twi_get_driver_data(pdev);
+	if (!dev->pdata)
+		return -ENODEV;
 
-	platform_set_drvdata(pdev, adapter);
+	dev->base = devm_request_and_ioremap(&pdev->dev, mem);
+	if (!dev->base)
+		return -EBUSY;
 
-	clk_enable(twi_clk);		/* enable peripheral clock */
-	at91_twi_hwinit();		/* initialize TWI controller */
+	dev->irq = platform_get_irq(pdev, 0);
+	if (dev->irq < 0)
+		return dev->irq;
 
-	rc = i2c_add_numbered_adapter(adapter);
+	rc = devm_request_irq(&pdev->dev, dev->irq, atmel_twi_interrupt, 0,
+			 dev_name(dev->dev), dev);
 	if (rc) {
-		dev_err(&pdev->dev, "Adapter %s registration failed\n",
-				adapter->name);
-		goto fail3;
+		dev_err(dev->dev, "Cannot get irq %d: %d\n", dev->irq, rc);
+		return rc;
 	}
 
-	dev_info(&pdev->dev, "AT91 i2c bus driver.\n");
-	return 0;
+	platform_set_drvdata(pdev, dev);
 
-fail3:
-	platform_set_drvdata(pdev, NULL);
-	kfree(adapter);
-	clk_disable(twi_clk);
-fail2:
-	clk_put(twi_clk);
-fail1:
-	iounmap(twi_base);
-fail0:
-	release_mem_region(res->start, resource_size(res));
+	dev->clk = devm_clk_get(dev->dev, NULL);
+	if (IS_ERR(dev->clk)) {
+		dev_err(dev->dev, "no clock defined\n");
+		return -ENODEV;
+	}
+	clk_prepare_enable(dev->clk);
+
+	at91_calc_twi_clock(dev, TWI_CLK_HZ);
+	at91_init_twi_bus(dev);
+
+	snprintf(dev->adapter.name, sizeof(dev->adapter.name), "AT91");
+	i2c_set_adapdata(&dev->adapter, dev);
+	dev->adapter.owner = THIS_MODULE;
+	dev->adapter.class = I2C_CLASS_HWMON;
+	dev->adapter.algo = &at91_twi_algorithm;
+	dev->adapter.dev.parent = dev->dev;
+	dev->adapter.nr = pdev->id;
+	dev->adapter.timeout = AT91_I2C_TIMEOUT;
+	dev->adapter.dev.of_node = pdev->dev.of_node;
+
+	rc = i2c_add_numbered_adapter(&dev->adapter);
+	if (rc) {
+		dev_err(dev->dev, "Adapter %s registration failed\n",
+			dev->adapter.name);
+		clk_disable_unprepare(dev->clk);
+		return rc;
+	}
 
-	return rc;
+	of_i2c_register_devices(&dev->adapter);
+
+	dev_info(dev->dev, "AT91 i2c bus driver.\n");
+	return 0;
 }
 
-static int __devexit at91_i2c_remove(struct platform_device *pdev)
+static int __devexit at91_twi_remove(struct platform_device *pdev)
 {
-	struct i2c_adapter *adapter = platform_get_drvdata(pdev);
-	struct resource *res;
+	struct at91_twi_dev *dev = platform_get_drvdata(pdev);
 	int rc;
 
-	rc = i2c_del_adapter(adapter);
-	platform_set_drvdata(pdev, NULL);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	iounmap(twi_base);
-	release_mem_region(res->start, resource_size(res));
-
-	clk_disable(twi_clk);		/* disable peripheral clock */
-	clk_put(twi_clk);
+	rc = i2c_del_adapter(&dev->adapter);
+	clk_disable_unprepare(dev->clk);
 
 	return rc;
 }
 
 #ifdef CONFIG_PM
 
-/* NOTE: could save a few mA by keeping clock off outside of at91_xfer... */
-
-static int at91_i2c_suspend(struct device *dev)
+static int at91_twi_runtime_suspend(struct device *dev)
 {
-	clk_disable(twi_clk);
+	struct at91_twi_dev *twi_dev = dev_get_drvdata(dev);
+
+	clk_disable(twi_dev->clk);
+
 	return 0;
 }
 
-static int at91_i2c_resume(struct device *dev)
+static int at91_twi_runtime_resume(struct device *dev)
 {
-	return clk_enable(twi_clk);
+	struct at91_twi_dev *twi_dev = dev_get_drvdata(dev);
+
+	return clk_enable(twi_dev->clk);
 }
 
-static SIMPLE_DEV_PM_OPS(at91_i2c_pm, at91_i2c_suspend, at91_i2c_resume);
-#define AT91_I2C_PM	(&at91_i2c_pm)
+static const struct dev_pm_ops at91_twi_pm = {
+	.runtime_suspend	= at91_twi_runtime_suspend,
+	.runtime_resume		= at91_twi_runtime_resume,
+};
 
+#define at91_twi_pm_ops (&at91_twi_pm)
 #else
-#define AT91_I2C_PM	NULL
+#define at91_twi_pm_ops NULL
 #endif
 
-static struct platform_driver at91_i2c_driver = {
-	.probe		= at91_i2c_probe,
-	.remove		= __devexit_p(at91_i2c_remove),
+static struct platform_driver at91_twi_driver = {
+	.probe		= at91_twi_probe,
+	.remove		= __devexit_p(at91_twi_remove),
+	.id_table	= at91_twi_devtypes,
 	.driver		= {
 		.name	= "at91_i2c",
 		.owner	= THIS_MODULE,
-		.pm	= AT91_I2C_PM,
+		.of_match_table = atmel_twi_dt_ids,
+		.pm	= at91_twi_pm_ops,
 	},
 };
 
-module_platform_driver(at91_i2c_driver);
+static int __init at91_twi_init(void)
+{
+	return platform_driver_register(&at91_twi_driver);
+}
+
+static void __exit at91_twi_exit(void)
+{
+	platform_driver_unregister(&at91_twi_driver);
+}
+
+subsys_initcall(at91_twi_init);
+module_exit(at91_twi_exit);
 
-MODULE_AUTHOR("Rick Bronson");
+MODULE_AUTHOR("Nikolaus Voss <n.voss@weinmann.de>");
 MODULE_DESCRIPTION("I2C (TWI) driver for Atmel AT91");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:at91_i2c");
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 79a2542d8c4..6a0a5531944 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -38,6 +38,8 @@
 #include <linux/slab.h>
 #include <linux/cpufreq.h>
 #include <linux/gpio.h>
+#include <linux/of_i2c.h>
+#include <linux/of_device.h>
 
 #include <mach/hardware.h>
 #include <linux/platform_data/i2c-davinci.h>
@@ -114,6 +116,7 @@ struct davinci_i2c_dev {
 	struct completion	xfr_complete;
 	struct notifier_block	freq_transition;
 #endif
+	struct davinci_i2c_platform_data *pdata;
 };
 
 /* default platform data to use if not supplied in the platform_device */
@@ -155,7 +158,7 @@ static void generic_i2c_clock_pulse(unsigned int scl_pin)
 static void i2c_recover_bus(struct davinci_i2c_dev *dev)
 {
 	u32 flag = 0;
-	struct davinci_i2c_platform_data *pdata = dev->dev->platform_data;
+	struct davinci_i2c_platform_data *pdata = dev->pdata;
 
 	dev_err(dev->dev, "initiating i2c bus recovery\n");
 	/* Send NACK to the slave */
@@ -163,8 +166,7 @@ static void i2c_recover_bus(struct davinci_i2c_dev *dev)
 	flag |=  DAVINCI_I2C_MDR_NACK;
 	/* write the data into mode register */
 	davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
-	if (pdata)
-		generic_i2c_clock_pulse(pdata->scl_pin);
+	generic_i2c_clock_pulse(pdata->scl_pin);
 	/* Send STOP */
 	flag = davinci_i2c_read_reg(dev, DAVINCI_I2C_MDR_REG);
 	flag |= DAVINCI_I2C_MDR_STP;
@@ -187,7 +189,7 @@ static inline void davinci_i2c_reset_ctrl(struct davinci_i2c_dev *i2c_dev,
 
 static void i2c_davinci_calc_clk_dividers(struct davinci_i2c_dev *dev)
 {
-	struct davinci_i2c_platform_data *pdata = dev->dev->platform_data;
+	struct davinci_i2c_platform_data *pdata = dev->pdata;
 	u16 psc;
 	u32 clk;
 	u32 d;
@@ -235,10 +237,7 @@ static void i2c_davinci_calc_clk_dividers(struct davinci_i2c_dev *dev)
  */
 static int i2c_davinci_init(struct davinci_i2c_dev *dev)
 {
-	struct davinci_i2c_platform_data *pdata = dev->dev->platform_data;
-
-	if (!pdata)
-		pdata = &davinci_i2c_platform_data_default;
+	struct davinci_i2c_platform_data *pdata = dev->pdata;
 
 	/* put I2C into reset */
 	davinci_i2c_reset_ctrl(dev, 0);
@@ -260,6 +259,7 @@ static int i2c_davinci_init(struct davinci_i2c_dev *dev)
 	dev_dbg(dev->dev, "bus_freq = %dkHz, bus_delay = %d\n",
 		pdata->bus_freq, pdata->bus_delay);
 
+
 	/* Take the I2C module out of reset: */
 	davinci_i2c_reset_ctrl(dev, 1);
 
@@ -308,13 +308,11 @@ static int
 i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
 {
 	struct davinci_i2c_dev *dev = i2c_get_adapdata(adap);
-	struct davinci_i2c_platform_data *pdata = dev->dev->platform_data;
+	struct davinci_i2c_platform_data *pdata = dev->pdata;
 	u32 flag;
 	u16 w;
 	int r;
 
-	if (!pdata)
-		pdata = &davinci_i2c_platform_data_default;
 	/* Introduce a delay, required for some boards (e.g Davinci EVM) */
 	if (pdata->bus_delay)
 		udelay(pdata->bus_delay);
@@ -635,6 +633,12 @@ static struct i2c_algorithm i2c_davinci_algo = {
 	.functionality	= i2c_davinci_func,
 };
 
+static const struct of_device_id davinci_i2c_of_match[] = {
+	{.compatible = "ti,davinci-i2c", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, davinci_i2c_of_match);
+
 static int davinci_i2c_probe(struct platform_device *pdev)
 {
 	struct davinci_i2c_dev *dev;
@@ -674,14 +678,33 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 #endif
 	dev->dev = get_device(&pdev->dev);
 	dev->irq = irq->start;
+	dev->pdata = dev->dev->platform_data;
 	platform_set_drvdata(pdev, dev);
 
+	if (!dev->pdata && pdev->dev.of_node) {
+		u32 prop;
+
+		dev->pdata = devm_kzalloc(&pdev->dev,
+			sizeof(struct davinci_i2c_platform_data), GFP_KERNEL);
+		if (!dev->pdata) {
+			r = -ENOMEM;
+			goto err_free_mem;
+		}
+		memcpy(dev->pdata, &davinci_i2c_platform_data_default,
+			sizeof(struct davinci_i2c_platform_data));
+		if (!of_property_read_u32(pdev->dev.of_node, "clock-frequency",
+			&prop))
+			dev->pdata->bus_freq = prop / 1000;
+	} else if (!dev->pdata) {
+		dev->pdata = &davinci_i2c_platform_data_default;
+	}
+
 	dev->clk = clk_get(&pdev->dev, NULL);
 	if (IS_ERR(dev->clk)) {
 		r = -ENODEV;
 		goto err_free_mem;
 	}
-	clk_enable(dev->clk);
+	clk_prepare_enable(dev->clk);
 
 	dev->base = ioremap(mem->start, resource_size(mem));
 	if (!dev->base) {
@@ -711,6 +734,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 	adap->algo = &i2c_davinci_algo;
 	adap->dev.parent = &pdev->dev;
 	adap->timeout = DAVINCI_I2C_TIMEOUT;
+	adap->dev.of_node = pdev->dev.of_node;
 
 	adap->nr = pdev->id;
 	r = i2c_add_numbered_adapter(adap);
@@ -718,6 +742,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "failure adding adapter\n");
 		goto err_free_irq;
 	}
+	of_i2c_register_devices(adap);
 
 	return 0;
 
@@ -726,7 +751,7 @@ err_free_irq:
 err_unuse_clocks:
 	iounmap(dev->base);
 err_mem_ioremap:
-	clk_disable(dev->clk);
+	clk_disable_unprepare(dev->clk);
 	clk_put(dev->clk);
 	dev->clk = NULL;
 err_free_mem:
@@ -750,7 +775,7 @@ static int davinci_i2c_remove(struct platform_device *pdev)
 	i2c_del_adapter(&dev->adapter);
 	put_device(&pdev->dev);
 
-	clk_disable(dev->clk);
+	clk_disable_unprepare(dev->clk);
 	clk_put(dev->clk);
 	dev->clk = NULL;
 
@@ -772,7 +797,7 @@ static int davinci_i2c_suspend(struct device *dev)
 
 	/* put I2C into reset */
 	davinci_i2c_reset_ctrl(i2c_dev, 0);
-	clk_disable(i2c_dev->clk);
+	clk_disable_unprepare(i2c_dev->clk);
 
 	return 0;
 }
@@ -782,7 +807,7 @@ static int davinci_i2c_resume(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct davinci_i2c_dev *i2c_dev = platform_get_drvdata(pdev);
 
-	clk_enable(i2c_dev->clk);
+	clk_prepare_enable(i2c_dev->clk);
 	/* take I2C out of reset */
 	davinci_i2c_reset_ctrl(i2c_dev, 1);
 
@@ -809,6 +834,7 @@ static struct platform_driver davinci_i2c_driver = {
 		.name	= "i2c_davinci",
 		.owner	= THIS_MODULE,
 		.pm	= davinci_i2c_pm_ops,
+		.of_match_table = of_match_ptr(davinci_i2c_of_match),
 	},
 };
 
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 37793156bd9..6abc00d5988 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -82,7 +82,8 @@
 #include <linux/wait.h>
 #include <linux/err.h>
 
-#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE
+#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \
+		defined CONFIG_DMI
 #include <linux/gpio.h>
 #include <linux/i2c-mux-gpio.h>
 #include <linux/platform_device.h>
@@ -192,7 +193,8 @@ struct i801_priv {
 	int len;
 	u8 *data;
 
-#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE
+#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \
+		defined CONFIG_DMI
 	const struct i801_mux_config *mux_drvdata;
 	struct platform_device *mux_pdev;
 #endif
@@ -921,7 +923,8 @@ static void __init input_apanel_init(void) {}
 static void __devinit i801_probe_optional_slaves(struct i801_priv *priv) {}
 #endif	/* CONFIG_X86 && CONFIG_DMI */
 
-#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE
+#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \
+		defined CONFIG_DMI
 static struct i801_mux_config i801_mux_config_asus_z8_d12 = {
 	.gpio_chip = "gpio_ich",
 	.values = { 0x02, 0x03 },
@@ -1059,7 +1062,7 @@ static unsigned int __devinit i801_get_adapter_class(struct i801_priv *priv)
 
 	id = dmi_first_match(mux_dmi_table);
 	if (id) {
-		/* Remove from branch classes from trunk */
+		/* Remove branch classes from trunk */
 		mux_config = id->driver_data;
 		for (i = 0; i < mux_config->n_values; i++)
 			class &= ~mux_config->classes[i];
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index b7907ba7448..2ef162d148c 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -272,9 +272,9 @@ static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
 
 	/* dev_dbg() can't be used, because adapter is not yet registered */
 #ifdef CONFIG_I2C_DEBUG_BUS
-	printk(KERN_DEBUG "I2C: <%s> I2C_CLK=%d, REQ DIV=%d\n",
+	dev_dbg(&i2c_imx->adapter.dev, "<%s> I2C_CLK=%d, REQ DIV=%d\n",
 		__func__, i2c_clk_rate, div);
-	printk(KERN_DEBUG "I2C: <%s> IFDR[IC]=0x%x, REAL DIV=%d\n",
+	dev_dbg(&i2c_imx->adapter.dev, "<%s> IFDR[IC]=0x%x, REAL DIV=%d\n",
 		__func__, i2c_clk_div[i][1], i2c_clk_div[i][0]);
 #endif
 }
@@ -564,7 +564,7 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
 		resource_size(res), res->start);
 	dev_dbg(&i2c_imx->adapter.dev, "adapter name: \"%s\"\n",
 		i2c_imx->adapter.name);
-	dev_dbg(&i2c_imx->adapter.dev, "IMX I2C adapter registered\n");
+	dev_info(&i2c_imx->adapter.dev, "IMX I2C adapter registered\n");
 
 	return 0;   /* Return OK */
 }
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 57f7703ce2e..ca86430cb4a 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -576,7 +576,23 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
 			    mpc_write(i2c, pmsg->addr, pmsg->buf, pmsg->len, i);
 		}
 	}
-	mpc_i2c_stop(i2c);
+	mpc_i2c_stop(i2c); /* Initiate STOP */
+	orig_jiffies = jiffies;
+	/* Wait until STOP is seen, allow up to 1 s */
+	while (readb(i2c->base + MPC_I2C_SR) & CSR_MBB) {
+		if (time_after(jiffies, orig_jiffies + HZ)) {
+			u8 status = readb(i2c->base + MPC_I2C_SR);
+
+			dev_dbg(i2c->dev, "timeout\n");
+			if ((status & (CSR_MCF | CSR_MBB | CSR_RXAK)) != 0) {
+				writeb(status & ~CSR_MAL,
+				       i2c->base + MPC_I2C_SR);
+				mpc_i2c_fixup(i2c);
+			}
+			return -EIO;
+		}
+		cond_resched();
+	}
 	return (ret < 0) ? ret : num;
 }
 
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 51f05b8520e..286ca191782 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -1,14 +1,12 @@
 /*
  * Freescale MXS I2C bus driver
  *
- * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K.
+ * Copyright (C) 2011-2012 Wolfram Sang, Pengutronix e.K.
  *
  * based on a (non-working) driver which was:
  *
  * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  *
- * TODO: add dma-support if platform-support for it is available
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
@@ -31,6 +29,9 @@
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_i2c.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
+#include <linux/fsl/mxs-dma.h>
 
 #define DRIVER_NAME "mxs-i2c"
 
@@ -70,23 +71,6 @@
 				 MXS_I2C_CTRL1_SLAVE_STOP_IRQ | \
 				 MXS_I2C_CTRL1_SLAVE_IRQ)
 
-#define MXS_I2C_QUEUECTRL	(0x60)
-#define MXS_I2C_QUEUECTRL_SET	(0x64)
-#define MXS_I2C_QUEUECTRL_CLR	(0x68)
-
-#define MXS_I2C_QUEUECTRL_QUEUE_RUN		0x20
-#define MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE	0x04
-
-#define MXS_I2C_QUEUESTAT	(0x70)
-#define MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY        0x00002000
-#define MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK	0x0000001F
-
-#define MXS_I2C_QUEUECMD	(0x80)
-
-#define MXS_I2C_QUEUEDATA	(0x90)
-
-#define MXS_I2C_DATA		(0xa0)
-
 
 #define MXS_CMD_I2C_SELECT	(MXS_I2C_CTRL0_RETAIN_CLOCK |	\
 				 MXS_I2C_CTRL0_PRE_SEND_START |	\
@@ -146,6 +130,15 @@ struct mxs_i2c_dev {
 	u32 cmd_err;
 	struct i2c_adapter adapter;
 	const struct mxs_i2c_speed_config *speed;
+
+	/* DMA support components */
+	int				dma_channel;
+	struct dma_chan         	*dmach;
+	struct mxs_dma_data		dma_data;
+	uint32_t			pio_data[2];
+	uint32_t			addr_data;
+	struct scatterlist		sg_io[2];
+	bool				dma_read;
 };
 
 static void mxs_i2c_reset(struct mxs_i2c_dev *i2c)
@@ -157,95 +150,150 @@ static void mxs_i2c_reset(struct mxs_i2c_dev *i2c)
 	writel(i2c->speed->timing2, i2c->regs + MXS_I2C_TIMING2);
 
 	writel(MXS_I2C_IRQ_MASK << 8, i2c->regs + MXS_I2C_CTRL1_SET);
-	writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE,
-			i2c->regs + MXS_I2C_QUEUECTRL_SET);
 }
 
-static void mxs_i2c_pioq_setup_read(struct mxs_i2c_dev *i2c, u8 addr, int len,
-					int flags)
+static void mxs_i2c_dma_finish(struct mxs_i2c_dev *i2c)
 {
-	u32 data;
-
-	writel(MXS_CMD_I2C_SELECT, i2c->regs + MXS_I2C_QUEUECMD);
-
-	data = (addr << 1) | I2C_SMBUS_READ;
-	writel(data, i2c->regs + MXS_I2C_DATA);
-
-	data = MXS_CMD_I2C_READ | MXS_I2C_CTRL0_XFER_COUNT(len) | flags;
-	writel(data, i2c->regs + MXS_I2C_QUEUECMD);
+	if (i2c->dma_read) {
+		dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE);
+		dma_unmap_sg(i2c->dev, &i2c->sg_io[1], 1, DMA_FROM_DEVICE);
+	} else {
+		dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE);
+	}
 }
 
-static void mxs_i2c_pioq_setup_write(struct mxs_i2c_dev *i2c,
-				    u8 addr, u8 *buf, int len, int flags)
+static void mxs_i2c_dma_irq_callback(void *param)
 {
-	u32 data;
-	int i, shifts_left;
-
-	data = MXS_CMD_I2C_WRITE | MXS_I2C_CTRL0_XFER_COUNT(len + 1) | flags;
-	writel(data, i2c->regs + MXS_I2C_QUEUECMD);
-
-	/*
-	 * We have to copy the slave address (u8) and buffer (arbitrary number
-	 * of u8) into the data register (u32). To achieve that, the u8 are put
-	 * into the MSBs of 'data' which is then shifted for the next u8. When
-	 * appropriate, 'data' is written to MXS_I2C_DATA. So, the first u32
-	 * looks like this:
-	 *
-	 *  3          2          1          0
-	 * 10987654|32109876|54321098|76543210
-	 * --------+--------+--------+--------
-	 * buffer+2|buffer+1|buffer+0|slave_addr
-	 */
-
-	data = ((addr << 1) | I2C_SMBUS_WRITE) << 24;
+	struct mxs_i2c_dev *i2c = param;
 
-	for (i = 0; i < len; i++) {
-		data >>= 8;
-		data |= buf[i] << 24;
-		if ((i & 3) == 2)
-			writel(data, i2c->regs + MXS_I2C_DATA);
-	}
-
-	/* Write out the remaining bytes if any */
-	shifts_left = 24 - (i & 3) * 8;
-	if (shifts_left)
-		writel(data >> shifts_left, i2c->regs + MXS_I2C_DATA);
+	complete(&i2c->cmd_complete);
+	mxs_i2c_dma_finish(i2c);
 }
 
-/*
- * TODO: should be replaceable with a waitqueue and RD_QUEUE_IRQ (setting the
- * rd_threshold to 1). Couldn't get this to work, though.
- */
-static int mxs_i2c_wait_for_data(struct mxs_i2c_dev *i2c)
+static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap,
+			struct i2c_msg *msg, uint32_t flags)
 {
-	unsigned long timeout = jiffies + msecs_to_jiffies(1000);
+	struct dma_async_tx_descriptor *desc;
+	struct mxs_i2c_dev *i2c = i2c_get_adapdata(adap);
 
-	while (readl(i2c->regs + MXS_I2C_QUEUESTAT)
-			& MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY) {
-			if (time_after(jiffies, timeout))
-				return -ETIMEDOUT;
-			cond_resched();
-	}
+	if (msg->flags & I2C_M_RD) {
+		i2c->dma_read = 1;
+		i2c->addr_data = (msg->addr << 1) | I2C_SMBUS_READ;
+
+		/*
+		 * SELECT command.
+		 */
+
+		/* Queue the PIO register write transfer. */
+		i2c->pio_data[0] = MXS_CMD_I2C_SELECT;
+		desc = dmaengine_prep_slave_sg(i2c->dmach,
+					(struct scatterlist *)&i2c->pio_data[0],
+					1, DMA_TRANS_NONE, 0);
+		if (!desc) {
+			dev_err(i2c->dev,
+				"Failed to get PIO reg. write descriptor.\n");
+			goto select_init_pio_fail;
+		}
 
-	return 0;
-}
+		/* Queue the DMA data transfer. */
+		sg_init_one(&i2c->sg_io[0], &i2c->addr_data, 1);
+		dma_map_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE);
+		desc = dmaengine_prep_slave_sg(i2c->dmach, &i2c->sg_io[0], 1,
+					DMA_MEM_TO_DEV,
+					DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+		if (!desc) {
+			dev_err(i2c->dev,
+				"Failed to get DMA data write descriptor.\n");
+			goto select_init_dma_fail;
+		}
 
-static int mxs_i2c_finish_read(struct mxs_i2c_dev *i2c, u8 *buf, int len)
-{
-	u32 uninitialized_var(data);
-	int i;
+		/*
+		 * READ command.
+		 */
+
+		/* Queue the PIO register write transfer. */
+		i2c->pio_data[1] = flags | MXS_CMD_I2C_READ |
+				MXS_I2C_CTRL0_XFER_COUNT(msg->len);
+		desc = dmaengine_prep_slave_sg(i2c->dmach,
+					(struct scatterlist *)&i2c->pio_data[1],
+					1, DMA_TRANS_NONE, DMA_PREP_INTERRUPT);
+		if (!desc) {
+			dev_err(i2c->dev,
+				"Failed to get PIO reg. write descriptor.\n");
+			goto select_init_dma_fail;
+		}
+
+		/* Queue the DMA data transfer. */
+		sg_init_one(&i2c->sg_io[1], msg->buf, msg->len);
+		dma_map_sg(i2c->dev, &i2c->sg_io[1], 1, DMA_FROM_DEVICE);
+		desc = dmaengine_prep_slave_sg(i2c->dmach, &i2c->sg_io[1], 1,
+					DMA_DEV_TO_MEM,
+					DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+		if (!desc) {
+			dev_err(i2c->dev,
+				"Failed to get DMA data write descriptor.\n");
+			goto read_init_dma_fail;
+		}
+	} else {
+		i2c->dma_read = 0;
+		i2c->addr_data = (msg->addr << 1) | I2C_SMBUS_WRITE;
+
+		/*
+		 * WRITE command.
+		 */
+
+		/* Queue the PIO register write transfer. */
+		i2c->pio_data[0] = flags | MXS_CMD_I2C_WRITE |
+				MXS_I2C_CTRL0_XFER_COUNT(msg->len + 1);
+		desc = dmaengine_prep_slave_sg(i2c->dmach,
+					(struct scatterlist *)&i2c->pio_data[0],
+					1, DMA_TRANS_NONE, 0);
+		if (!desc) {
+			dev_err(i2c->dev,
+				"Failed to get PIO reg. write descriptor.\n");
+			goto write_init_pio_fail;
+		}
 
-	for (i = 0; i < len; i++) {
-		if ((i & 3) == 0) {
-			if (mxs_i2c_wait_for_data(i2c))
-				return -ETIMEDOUT;
-			data = readl(i2c->regs + MXS_I2C_QUEUEDATA);
+		/* Queue the DMA data transfer. */
+		sg_init_table(i2c->sg_io, 2);
+		sg_set_buf(&i2c->sg_io[0], &i2c->addr_data, 1);
+		sg_set_buf(&i2c->sg_io[1], msg->buf, msg->len);
+		dma_map_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE);
+		desc = dmaengine_prep_slave_sg(i2c->dmach, i2c->sg_io, 2,
+					DMA_MEM_TO_DEV,
+					DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+		if (!desc) {
+			dev_err(i2c->dev,
+				"Failed to get DMA data write descriptor.\n");
+			goto write_init_dma_fail;
 		}
-		buf[i] = data & 0xff;
-		data >>= 8;
 	}
 
+	/*
+	 * The last descriptor must have this callback,
+	 * to finish the DMA transaction.
+	 */
+	desc->callback = mxs_i2c_dma_irq_callback;
+	desc->callback_param = i2c;
+
+	/* Start the transfer. */
+	dmaengine_submit(desc);
+	dma_async_issue_pending(i2c->dmach);
 	return 0;
+
+/* Read failpath. */
+read_init_dma_fail:
+	dma_unmap_sg(i2c->dev, &i2c->sg_io[1], 1, DMA_FROM_DEVICE);
+select_init_dma_fail:
+	dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE);
+select_init_pio_fail:
+	return -EINVAL;
+
+/* Write failpath. */
+write_init_dma_fail:
+	dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE);
+write_init_pio_fail:
+	return -EINVAL;
 }
 
 /*
@@ -258,6 +306,8 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
 	int ret;
 	int flags;
 
+	flags = stop ? MXS_I2C_CTRL0_POST_SEND_STOP : 0;
+
 	dev_dbg(i2c->dev, "addr: 0x%04x, len: %d, flags: 0x%x, stop: %d\n",
 		msg->addr, msg->len, msg->flags, stop);
 
@@ -267,33 +317,17 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
 	init_completion(&i2c->cmd_complete);
 	i2c->cmd_err = 0;
 
-	flags = stop ? MXS_I2C_CTRL0_POST_SEND_STOP : 0;
-
-	if (msg->flags & I2C_M_RD)
-		mxs_i2c_pioq_setup_read(i2c, msg->addr, msg->len, flags);
-	else
-		mxs_i2c_pioq_setup_write(i2c, msg->addr, msg->buf, msg->len,
-					flags);
-
-	writel(MXS_I2C_QUEUECTRL_QUEUE_RUN,
-			i2c->regs + MXS_I2C_QUEUECTRL_SET);
+	ret = mxs_i2c_dma_setup_xfer(adap, msg, flags);
+	if (ret)
+		return ret;
 
 	ret = wait_for_completion_timeout(&i2c->cmd_complete,
 						msecs_to_jiffies(1000));
 	if (ret == 0)
 		goto timeout;
 
-	if ((!i2c->cmd_err) && (msg->flags & I2C_M_RD)) {
-		ret = mxs_i2c_finish_read(i2c, msg->buf, msg->len);
-		if (ret)
-			goto timeout;
-	}
-
 	if (i2c->cmd_err == -ENXIO)
 		mxs_i2c_reset(i2c);
-	else
-		writel(MXS_I2C_QUEUECTRL_QUEUE_RUN,
-				i2c->regs + MXS_I2C_QUEUECTRL_CLR);
 
 	dev_dbg(i2c->dev, "Done with err=%d\n", i2c->cmd_err);
 
@@ -301,6 +335,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
 
 timeout:
 	dev_dbg(i2c->dev, "Timeout!\n");
+	mxs_i2c_dma_finish(i2c);
 	mxs_i2c_reset(i2c);
 	return -ETIMEDOUT;
 }
@@ -329,7 +364,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
 {
 	struct mxs_i2c_dev *i2c = dev_id;
 	u32 stat = readl(i2c->regs + MXS_I2C_CTRL1) & MXS_I2C_IRQ_MASK;
-	bool is_last_cmd;
 
 	if (!stat)
 		return IRQ_NONE;
@@ -342,12 +376,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
 		/* MXS_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ is only for slaves */
 		i2c->cmd_err = -EIO;
 
-	is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) &
-		MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0;
-
-	if (is_last_cmd || i2c->cmd_err)
-		complete(&i2c->cmd_complete);
-
 	writel(stat, i2c->regs + MXS_I2C_CTRL1_CLR);
 
 	return IRQ_HANDLED;
@@ -358,6 +386,21 @@ static const struct i2c_algorithm mxs_i2c_algo = {
 	.functionality = mxs_i2c_func,
 };
 
+static bool mxs_i2c_dma_filter(struct dma_chan *chan, void *param)
+{
+	struct mxs_i2c_dev *i2c = param;
+
+	if (!mxs_dma_is_apbx(chan))
+		return false;
+
+	if (chan->chan_id != i2c->dma_channel)
+		return false;
+
+	chan->private = &i2c->dma_data;
+
+	return true;
+}
+
 static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c)
 {
 	uint32_t speed;
@@ -365,6 +408,17 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c)
 	struct device_node *node = dev->of_node;
 	int ret;
 
+	/*
+	 * TODO: This is a temporary solution and should be changed
+	 * to use generic DMA binding later when the helpers get in.
+	 */
+	ret = of_property_read_u32(node, "fsl,i2c-dma-channel",
+				   &i2c->dma_channel);
+	if (ret) {
+		dev_err(dev, "Failed to get DMA channel!\n");
+		return -ENODEV;
+	}
+
 	ret = of_property_read_u32(node, "clock-frequency", &speed);
 	if (ret)
 		dev_warn(dev, "No I2C speed selected, using 100kHz\n");
@@ -384,7 +438,8 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
 	struct pinctrl *pinctrl;
 	struct resource *res;
 	resource_size_t res_size;
-	int err, irq;
+	int err, irq, dmairq;
+	dma_cap_mask_t mask;
 
 	pinctrl = devm_pinctrl_get_select_default(dev);
 	if (IS_ERR(pinctrl))
@@ -395,7 +450,10 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
+	irq = platform_get_irq(pdev, 0);
+	dmairq = platform_get_irq(pdev, 1);
+
+	if (!res || irq < 0 || dmairq < 0)
 		return -ENOENT;
 
 	res_size = resource_size(res);
@@ -406,10 +464,6 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
 	if (!i2c->regs)
 		return -EBUSY;
 
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0)
-		return irq;
-
 	err = devm_request_irq(dev, irq, mxs_i2c_isr, 0, dev_name(dev), i2c);
 	if (err)
 		return err;
@@ -423,6 +477,16 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
 			return err;
 	}
 
+	/* Setup the DMA */
+	dma_cap_zero(mask);
+	dma_cap_set(DMA_SLAVE, mask);
+	i2c->dma_data.chan_irq = dmairq;
+	i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c);
+	if (!i2c->dmach) {
+		dev_err(dev, "Failed to request dma\n");
+		return -ENODEV;
+	}
+
 	platform_set_drvdata(pdev, i2c);
 
 	/* Do reset to enforce correct startup after pinmuxing */
@@ -458,6 +522,9 @@ static int __devexit mxs_i2c_remove(struct platform_device *pdev)
 	if (ret)
 		return -EBUSY;
 
+	if (i2c->dmach)
+		dma_release_channel(i2c->dmach);
+
 	writel(MXS_I2C_CTRL0_SFTRST, i2c->regs + MXS_I2C_CTRL0_SET);
 
 	platform_set_drvdata(pdev, NULL);
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 61b00edacb0..02c3115a2df 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -22,9 +22,10 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/regulator/consumer.h>
 #include <linux/pm_runtime.h>
 #include <linux/platform_data/i2c-nomadik.h>
+#include <linux/of.h>
+#include <linux/of_i2c.h>
 
 #define DRIVER_NAME "nmk-i2c"
 
@@ -146,7 +147,6 @@ struct i2c_nmk_client {
  * @stop: stop condition.
  * @xfer_complete: acknowledge completion for a I2C message.
  * @result: controller propogated result.
- * @regulator: pointer to i2c regulator.
  * @busy: Busy doing transfer.
  */
 struct nmk_i2c_dev {
@@ -160,7 +160,6 @@ struct nmk_i2c_dev {
 	int				stop;
 	struct completion		xfer_complete;
 	int				result;
-	struct regulator		*regulator;
 	bool				busy;
 };
 
@@ -643,11 +642,13 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
 
 	dev->busy = true;
 
-	if (dev->regulator)
-		regulator_enable(dev->regulator);
 	pm_runtime_get_sync(&dev->adev->dev);
 
-	clk_enable(dev->clk);
+	status = clk_prepare_enable(dev->clk);
+	if (status) {
+		dev_err(&dev->adev->dev, "can't prepare_enable clock\n");
+		goto out_clk;
+	}
 
 	status = init_hw(dev);
 	if (status)
@@ -674,10 +675,9 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 
 out:
-	clk_disable(dev->clk);
+	clk_disable_unprepare(dev->clk);
+out_clk:
 	pm_runtime_put_sync(&dev->adev->dev);
-	if (dev->regulator)
-		regulator_disable(dev->regulator);
 
 	dev->busy = false;
 
@@ -920,18 +920,42 @@ static struct nmk_i2c_controller u8500_i2c = {
 	.sm             = I2C_FREQ_MODE_FAST,
 };
 
+static void nmk_i2c_of_probe(struct device_node *np,
+			struct nmk_i2c_controller *pdata)
+{
+	of_property_read_u32(np, "clock-frequency", &pdata->clk_freq);
+
+	/* This driver only supports 'standard' and 'fast' modes of operation. */
+	if (pdata->clk_freq <= 100000)
+		pdata->sm = I2C_FREQ_MODE_STANDARD;
+	else
+		pdata->sm = I2C_FREQ_MODE_FAST;
+}
+
 static atomic_t adapter_id = ATOMIC_INIT(0);
 
 static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 {
 	int ret = 0;
 	struct nmk_i2c_controller *pdata = adev->dev.platform_data;
+	struct device_node *np = adev->dev.of_node;
 	struct nmk_i2c_dev	*dev;
 	struct i2c_adapter *adap;
 
-	if (!pdata)
-		/* No i2c configuration found, using the default. */
-		pdata = &u8500_i2c;
+	if (!pdata) {
+		if (np) {
+			pdata = devm_kzalloc(&adev->dev, sizeof(*pdata), GFP_KERNEL);
+			if (!pdata) {
+				ret = -ENOMEM;
+				goto err_no_mem;
+			}
+			/* Provide the default configuration as a base. */
+			memcpy(pdata, &u8500_i2c, sizeof(struct nmk_i2c_controller));
+			nmk_i2c_of_probe(np, pdata);
+		} else
+			/* No i2c configuration found, using the default. */
+			pdata = &u8500_i2c;
+	}
 
 	dev = kzalloc(sizeof(struct nmk_i2c_dev), GFP_KERNEL);
 	if (!dev) {
@@ -957,12 +981,6 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err_irq;
 	}
 
-	dev->regulator = regulator_get(&adev->dev, "v-i2c");
-	if (IS_ERR(dev->regulator)) {
-		dev_warn(&adev->dev, "could not get i2c regulator\n");
-		dev->regulator = NULL;
-	}
-
 	pm_suspend_ignore_children(&adev->dev, true);
 
 	dev->clk = clk_get(&adev->dev, NULL);
@@ -973,6 +991,7 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 	}
 
 	adap = &dev->adap;
+	adap->dev.of_node = np;
 	adap->dev.parent = &adev->dev;
 	adap->owner	= THIS_MODULE;
 	adap->class	= I2C_CLASS_HWMON | I2C_CLASS_SPD;
@@ -1002,6 +1021,8 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err_add_adap;
 	}
 
+	of_i2c_register_devices(adap);
+
 	pm_runtime_put(&adev->dev);
 
 	return 0;
@@ -1009,8 +1030,6 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
  err_add_adap:
 	clk_put(dev->clk);
  err_no_clk:
-	if (dev->regulator)
-		regulator_put(dev->regulator);
 	free_irq(dev->irq, dev);
  err_irq:
 	iounmap(dev->virtbase);
@@ -1038,8 +1057,6 @@ static int nmk_i2c_remove(struct amba_device *adev)
 	if (res)
 		release_mem_region(res->start, resource_size(res));
 	clk_put(dev->clk);
-	if (dev->regulator)
-		regulator_put(dev->regulator);
 	pm_runtime_disable(&adev->dev);
 	amba_set_drvdata(adev, NULL);
 	kfree(dev);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index a0e49f6aaf9..db31eaed6ea 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -43,6 +43,7 @@
 #include <linux/slab.h>
 #include <linux/i2c-omap.h>
 #include <linux/pm_runtime.h>
+#include <linux/pm_qos.h>
 
 /* I2C controller revisions */
 #define OMAP_I2C_OMAP1_REV_2		0x20
@@ -55,6 +56,9 @@
 /* timeout waiting for the controller to respond */
 #define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000))
 
+/* timeout for pm runtime autosuspend */
+#define OMAP_I2C_PM_TIMEOUT		1000	/* ms */
+
 /* For OMAP3 I2C_IV has changed to I2C_WE (wakeup enable) */
 enum {
 	OMAP_I2C_REV_REG = 0,
@@ -176,15 +180,15 @@ enum {
 #define I2C_OMAP_ERRATA_I462		(1 << 1)
 
 struct omap_i2c_dev {
+	spinlock_t		lock;		/* IRQ synchronization */
 	struct device		*dev;
 	void __iomem		*base;		/* virtual */
 	int			irq;
 	int			reg_shift;      /* bit shift for I2C register addresses */
 	struct completion	cmd_complete;
 	struct resource		*ioarea;
-	u32			latency;	/* maximum mpu wkup latency */
-	void			(*set_mpu_wkup_lat)(struct device *dev,
-						    long latency);
+	u32			latency;	/* maximum MPU wkup latency */
+	struct pm_qos_request	pm_qos_request;
 	u32			speed;		/* Speed of bus in kHz */
 	u32			dtrev;		/* extra revision from DT */
 	u32			flags;
@@ -193,12 +197,14 @@ struct omap_i2c_dev {
 	u8			*regs;
 	size_t			buf_len;
 	struct i2c_adapter	adapter;
+	u8			threshold;
 	u8			fifo_size;	/* use as flag and value
 						 * fifo_size==0 implies no fifo
 						 * if set, should be trsh+1
 						 */
 	u8			rev;
 	unsigned		b_hw:1;		/* bad h/w fixes */
+	unsigned		receiver:1;	/* true when we're in receiver mode */
 	u16			iestate;	/* Saved interrupt register */
 	u16			pscstate;
 	u16			scllstate;
@@ -417,13 +423,6 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
 	omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG, scll);
 	omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG, sclh);
 
-	if (dev->fifo_size) {
-		/* Note: setup required fifo size - 1. RTRSH and XTRSH */
-		buf = (dev->fifo_size - 1) << 8 | OMAP_I2C_BUF_RXFIF_CLR |
-			(dev->fifo_size - 1) | OMAP_I2C_BUF_TXFIF_CLR;
-		omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, buf);
-	}
-
 	/* Take the I2C module out of reset: */
 	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN);
 
@@ -461,6 +460,43 @@ static int omap_i2c_wait_for_bb(struct omap_i2c_dev *dev)
 	return 0;
 }
 
+static void omap_i2c_resize_fifo(struct omap_i2c_dev *dev, u8 size, bool is_rx)
+{
+	u16		buf;
+
+	if (dev->flags & OMAP_I2C_FLAG_NO_FIFO)
+		return;
+
+	/*
+	 * Set up notification threshold based on message size. We're doing
+	 * this to try and avoid draining feature as much as possible. Whenever
+	 * we have big messages to transfer (bigger than our total fifo size)
+	 * then we might use draining feature to transfer the remaining bytes.
+	 */
+
+	dev->threshold = clamp(size, (u8) 1, dev->fifo_size);
+
+	buf = omap_i2c_read_reg(dev, OMAP_I2C_BUF_REG);
+
+	if (is_rx) {
+		/* Clear RX Threshold */
+		buf &= ~(0x3f << 8);
+		buf |= ((dev->threshold - 1) << 8) | OMAP_I2C_BUF_RXFIF_CLR;
+	} else {
+		/* Clear TX Threshold */
+		buf &= ~0x3f;
+		buf |= (dev->threshold - 1) | OMAP_I2C_BUF_TXFIF_CLR;
+	}
+
+	omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, buf);
+
+	if (dev->rev < OMAP_I2C_REV_ON_3630_4430)
+		dev->b_hw = 1; /* Enable hardware fixes */
+
+	/* calculate wakeup latency constraint for MPU */
+	dev->latency = (1000000 * dev->threshold) / (1000 * dev->speed / 8);
+}
+
 /*
  * Low level master read/write transaction.
  */
@@ -477,6 +513,9 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap,
 	if (msg->len == 0)
 		return -EINVAL;
 
+	dev->receiver = !!(msg->flags & I2C_M_RD);
+	omap_i2c_resize_fifo(dev, msg->len, dev->receiver);
+
 	omap_i2c_write_reg(dev, OMAP_I2C_SA_REG, msg->addr);
 
 	/* REVISIT: Could the STB bit of I2C_CON be used with probing? */
@@ -590,8 +629,16 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
 	if (r < 0)
 		goto out;
 
-	if (dev->set_mpu_wkup_lat != NULL)
-		dev->set_mpu_wkup_lat(dev->dev, dev->latency);
+	/*
+	 * When waiting for completion of a i2c transfer, we need to
+	 * set a wake up latency constraint for the MPU. This is to
+	 * ensure quick enough wakeup from idle, when transfer
+	 * completes.
+	 */
+	if (dev->latency)
+		pm_qos_add_request(&dev->pm_qos_request,
+				   PM_QOS_CPU_DMA_LATENCY,
+				   dev->latency);
 
 	for (i = 0; i < num; i++) {
 		r = omap_i2c_xfer_msg(adap, &msgs[i], (i == (num - 1)));
@@ -599,15 +646,16 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
 			break;
 	}
 
-	if (dev->set_mpu_wkup_lat != NULL)
-		dev->set_mpu_wkup_lat(dev->dev, -1);
+	if (dev->latency)
+		pm_qos_remove_request(&dev->pm_qos_request);
 
 	if (r == 0)
 		r = num;
 
 	omap_i2c_wait_for_bb(dev);
 out:
-	pm_runtime_put(dev->dev);
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
 	return r;
 }
 
@@ -725,186 +773,252 @@ omap_i2c_omap1_isr(int this_irq, void *dev_id)
  * data to DATA_REG. Otherwise some data bytes can be lost while transferring
  * them from the memory to the I2C interface.
  */
-static int errata_omap3_i462(struct omap_i2c_dev *dev, u16 *stat, int *err)
+static int errata_omap3_i462(struct omap_i2c_dev *dev)
 {
 	unsigned long timeout = 10000;
+	u16 stat;
 
-	while (--timeout && !(*stat & OMAP_I2C_STAT_XUDF)) {
-		if (*stat & (OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) {
-			omap_i2c_ack_stat(dev, *stat & (OMAP_I2C_STAT_XRDY |
+	do {
+		stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG);
+		if (stat & OMAP_I2C_STAT_XUDF)
+			break;
+
+		if (stat & (OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) {
+			omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_XRDY |
 							OMAP_I2C_STAT_XDR));
-			return -ETIMEDOUT;
+			if (stat & OMAP_I2C_STAT_NACK) {
+				dev->cmd_err |= OMAP_I2C_STAT_NACK;
+				omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
+			}
+
+			if (stat & OMAP_I2C_STAT_AL) {
+				dev_err(dev->dev, "Arbitration lost\n");
+				dev->cmd_err |= OMAP_I2C_STAT_AL;
+				omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
+			}
+
+			return -EIO;
 		}
 
 		cpu_relax();
-		*stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG);
-	}
+	} while (--timeout);
 
 	if (!timeout) {
 		dev_err(dev->dev, "timeout waiting on XUDF bit\n");
 		return 0;
 	}
 
-	*err |= OMAP_I2C_STAT_XUDF;
 	return 0;
 }
 
+static void omap_i2c_receive_data(struct omap_i2c_dev *dev, u8 num_bytes,
+		bool is_rdr)
+{
+	u16		w;
+
+	while (num_bytes--) {
+		w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG);
+		*dev->buf++ = w;
+		dev->buf_len--;
+
+		/*
+		 * Data reg in 2430, omap3 and
+		 * omap4 is 8 bit wide
+		 */
+		if (dev->flags & OMAP_I2C_FLAG_16BIT_DATA_REG) {
+			*dev->buf++ = w >> 8;
+			dev->buf_len--;
+		}
+	}
+}
+
+static int omap_i2c_transmit_data(struct omap_i2c_dev *dev, u8 num_bytes,
+		bool is_xdr)
+{
+	u16		w;
+
+	while (num_bytes--) {
+		w = *dev->buf++;
+		dev->buf_len--;
+
+		/*
+		 * Data reg in 2430, omap3 and
+		 * omap4 is 8 bit wide
+		 */
+		if (dev->flags & OMAP_I2C_FLAG_16BIT_DATA_REG) {
+			w |= *dev->buf++ << 8;
+			dev->buf_len--;
+		}
+
+		if (dev->errata & I2C_OMAP_ERRATA_I462) {
+			int ret;
+
+			ret = errata_omap3_i462(dev);
+			if (ret < 0)
+				return ret;
+		}
+
+		omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w);
+	}
+
+	return 0;
+}
+
+static irqreturn_t
+omap_i2c_isr(int irq, void *dev_id)
+{
+	struct omap_i2c_dev *dev = dev_id;
+	irqreturn_t ret = IRQ_HANDLED;
+	u16 mask;
+	u16 stat;
+
+	spin_lock(&dev->lock);
+	mask = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG);
+	stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG);
+
+	if (stat & mask)
+		ret = IRQ_WAKE_THREAD;
+
+	spin_unlock(&dev->lock);
+
+	return ret;
+}
+
 static irqreturn_t
-omap_i2c_isr(int this_irq, void *dev_id)
+omap_i2c_isr_thread(int this_irq, void *dev_id)
 {
 	struct omap_i2c_dev *dev = dev_id;
+	unsigned long flags;
 	u16 bits;
-	u16 stat, w;
-	int err, count = 0;
+	u16 stat;
+	int err = 0, count = 0;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	do {
+		bits = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG);
+		stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG);
+		stat &= bits;
+
+		/* If we're in receiver mode, ignore XDR/XRDY */
+		if (dev->receiver)
+			stat &= ~(OMAP_I2C_STAT_XDR | OMAP_I2C_STAT_XRDY);
+		else
+			stat &= ~(OMAP_I2C_STAT_RDR | OMAP_I2C_STAT_RRDY);
 
-	if (pm_runtime_suspended(dev->dev))
-		return IRQ_NONE;
+		if (!stat) {
+			/* my work here is done */
+			goto out;
+		}
 
-	bits = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG);
-	while ((stat = (omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG))) & bits) {
 		dev_dbg(dev->dev, "IRQ (ISR = 0x%04x)\n", stat);
 		if (count++ == 100) {
 			dev_warn(dev->dev, "Too much work in one IRQ\n");
 			break;
 		}
 
-		err = 0;
-complete:
-		/*
-		 * Ack the stat in one go, but [R/X]DR and [R/X]RDY should be
-		 * acked after the data operation is complete.
-		 * Ref: TRM SWPU114Q Figure 18-31
-		 */
-		omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat &
-				~(OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR |
-				OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
-
-		if (stat & OMAP_I2C_STAT_NACK)
+		if (stat & OMAP_I2C_STAT_NACK) {
 			err |= OMAP_I2C_STAT_NACK;
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
+			break;
+		}
 
 		if (stat & OMAP_I2C_STAT_AL) {
 			dev_err(dev->dev, "Arbitration lost\n");
 			err |= OMAP_I2C_STAT_AL;
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL);
+			break;
 		}
+
 		/*
 		 * ProDB0017052: Clear ARDY bit twice
 		 */
 		if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
 					OMAP_I2C_STAT_AL)) {
-			omap_i2c_ack_stat(dev, stat &
-				(OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR |
-				OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR |
-				OMAP_I2C_STAT_ARDY));
-			omap_i2c_complete_cmd(dev, err);
-			return IRQ_HANDLED;
+			omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_RRDY |
+						OMAP_I2C_STAT_RDR |
+						OMAP_I2C_STAT_XRDY |
+						OMAP_I2C_STAT_XDR |
+						OMAP_I2C_STAT_ARDY));
+			break;
 		}
-		if (stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)) {
+
+		if (stat & OMAP_I2C_STAT_RDR) {
 			u8 num_bytes = 1;
 
+			if (dev->fifo_size)
+				num_bytes = dev->buf_len;
+
+			omap_i2c_receive_data(dev, num_bytes, true);
+
 			if (dev->errata & I2C_OMAP_ERRATA_I207)
 				i2c_omap_errata_i207(dev, stat);
 
-			if (dev->fifo_size) {
-				if (stat & OMAP_I2C_STAT_RRDY)
-					num_bytes = dev->fifo_size;
-				else    /* read RXSTAT on RDR interrupt */
-					num_bytes = (omap_i2c_read_reg(dev,
-							OMAP_I2C_BUFSTAT_REG)
-							>> 8) & 0x3F;
-			}
-			while (num_bytes) {
-				num_bytes--;
-				w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG);
-				if (dev->buf_len) {
-					*dev->buf++ = w;
-					dev->buf_len--;
-					/*
-					 * Data reg in 2430, omap3 and
-					 * omap4 is 8 bit wide
-					 */
-					if (dev->flags &
-						 OMAP_I2C_FLAG_16BIT_DATA_REG) {
-						if (dev->buf_len) {
-							*dev->buf++ = w >> 8;
-							dev->buf_len--;
-						}
-					}
-				} else {
-					if (stat & OMAP_I2C_STAT_RRDY)
-						dev_err(dev->dev,
-							"RRDY IRQ while no data"
-								" requested\n");
-					if (stat & OMAP_I2C_STAT_RDR)
-						dev_err(dev->dev,
-							"RDR IRQ while no data"
-								" requested\n");
-					break;
-				}
-			}
-			omap_i2c_ack_stat(dev,
-				stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR));
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RDR);
+			break;
+		}
+
+		if (stat & OMAP_I2C_STAT_RRDY) {
+			u8 num_bytes = 1;
+
+			if (dev->threshold)
+				num_bytes = dev->threshold;
+
+			omap_i2c_receive_data(dev, num_bytes, false);
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RRDY);
 			continue;
 		}
-		if (stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)) {
+
+		if (stat & OMAP_I2C_STAT_XDR) {
 			u8 num_bytes = 1;
-			if (dev->fifo_size) {
-				if (stat & OMAP_I2C_STAT_XRDY)
-					num_bytes = dev->fifo_size;
-				else    /* read TXSTAT on XDR interrupt */
-					num_bytes = omap_i2c_read_reg(dev,
-							OMAP_I2C_BUFSTAT_REG)
-							& 0x3F;
-			}
-			while (num_bytes) {
-				num_bytes--;
-				w = 0;
-				if (dev->buf_len) {
-					w = *dev->buf++;
-					dev->buf_len--;
-					/*
-					 * Data reg in 2430, omap3 and
-					 * omap4 is 8 bit wide
-					 */
-					if (dev->flags &
-						 OMAP_I2C_FLAG_16BIT_DATA_REG) {
-						if (dev->buf_len) {
-							w |= *dev->buf++ << 8;
-							dev->buf_len--;
-						}
-					}
-				} else {
-					if (stat & OMAP_I2C_STAT_XRDY)
-						dev_err(dev->dev,
-							"XRDY IRQ while no "
-							"data to send\n");
-					if (stat & OMAP_I2C_STAT_XDR)
-						dev_err(dev->dev,
-							"XDR IRQ while no "
-							"data to send\n");
-					break;
-				}
-
-				if ((dev->errata & I2C_OMAP_ERRATA_I462) &&
-				    errata_omap3_i462(dev, &stat, &err))
-					goto complete;
-
-				omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w);
-			}
-			omap_i2c_ack_stat(dev,
-				stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
+			int ret;
+
+			if (dev->fifo_size)
+				num_bytes = dev->buf_len;
+
+			ret = omap_i2c_transmit_data(dev, num_bytes, true);
+			if (ret < 0)
+				break;
+
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XDR);
+			break;
+		}
+
+		if (stat & OMAP_I2C_STAT_XRDY) {
+			u8 num_bytes = 1;
+			int ret;
+
+			if (dev->threshold)
+				num_bytes = dev->threshold;
+
+			ret = omap_i2c_transmit_data(dev, num_bytes, false);
+			if (ret < 0)
+				break;
+
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XRDY);
 			continue;
 		}
+
 		if (stat & OMAP_I2C_STAT_ROVR) {
 			dev_err(dev->dev, "Receive overrun\n");
-			dev->cmd_err |= OMAP_I2C_STAT_ROVR;
+			err |= OMAP_I2C_STAT_ROVR;
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_ROVR);
+			break;
 		}
+
 		if (stat & OMAP_I2C_STAT_XUDF) {
 			dev_err(dev->dev, "Transmit underflow\n");
-			dev->cmd_err |= OMAP_I2C_STAT_XUDF;
+			err |= OMAP_I2C_STAT_XUDF;
+			omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XUDF);
+			break;
 		}
-	}
+	} while (stat);
+
+	omap_i2c_complete_cmd(dev, err);
+
+out:
+	spin_unlock_irqrestore(&dev->lock, flags);
 
-	return count ? IRQ_HANDLED : IRQ_NONE;
+	return IRQ_HANDLED;
 }
 
 static const struct i2c_algorithm omap_i2c_algo = {
@@ -943,12 +1057,12 @@ omap_i2c_probe(struct platform_device *pdev)
 {
 	struct omap_i2c_dev	*dev;
 	struct i2c_adapter	*adap;
-	struct resource		*mem, *irq, *ioarea;
+	struct resource		*mem;
 	const struct omap_i2c_bus_platform_data *pdata =
 		pdev->dev.platform_data;
 	struct device_node	*node = pdev->dev.of_node;
 	const struct of_device_id *match;
-	irq_handler_t isr;
+	int irq;
 	int r;
 
 	/* NOTE: driver uses the static register mapping */
@@ -957,23 +1071,23 @@ omap_i2c_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "no mem resource?\n");
 		return -ENODEV;
 	}
-	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!irq) {
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
 		dev_err(&pdev->dev, "no irq resource?\n");
-		return -ENODEV;
+		return irq;
 	}
 
-	ioarea = request_mem_region(mem->start, resource_size(mem),
-			pdev->name);
-	if (!ioarea) {
-		dev_err(&pdev->dev, "I2C region already claimed\n");
-		return -EBUSY;
+	dev = devm_kzalloc(&pdev->dev, sizeof(struct omap_i2c_dev), GFP_KERNEL);
+	if (!dev) {
+		dev_err(&pdev->dev, "Menory allocation failed\n");
+		return -ENOMEM;
 	}
 
-	dev = kzalloc(sizeof(struct omap_i2c_dev), GFP_KERNEL);
-	if (!dev) {
-		r = -ENOMEM;
-		goto err_release_region;
+	dev->base = devm_request_and_ioremap(&pdev->dev, mem);
+	if (!dev->base) {
+		dev_err(&pdev->dev, "I2C region already claimed\n");
+		return -ENOMEM;
 	}
 
 	match = of_match_device(of_match_ptr(omap_i2c_of_match), &pdev->dev);
@@ -990,17 +1104,13 @@ omap_i2c_probe(struct platform_device *pdev)
 	} else if (pdata != NULL) {
 		dev->speed = pdata->clkrate;
 		dev->flags = pdata->flags;
-		dev->set_mpu_wkup_lat = pdata->set_mpu_wkup_lat;
 		dev->dtrev = pdata->rev;
 	}
 
 	dev->dev = &pdev->dev;
-	dev->irq = irq->start;
-	dev->base = ioremap(mem->start, resource_size(mem));
-	if (!dev->base) {
-		r = -ENOMEM;
-		goto err_free_mem;
-	}
+	dev->irq = irq;
+
+	spin_lock_init(&dev->lock);
 
 	platform_set_drvdata(pdev, dev);
 	init_completion(&dev->cmd_complete);
@@ -1013,6 +1123,9 @@ omap_i2c_probe(struct platform_device *pdev)
 		dev->regs = (u8 *)reg_map_ip_v1;
 
 	pm_runtime_enable(dev->dev);
+	pm_runtime_set_autosuspend_delay(dev->dev, OMAP_I2C_PM_TIMEOUT);
+	pm_runtime_use_autosuspend(dev->dev);
+
 	r = pm_runtime_get_sync(dev->dev);
 	if (IS_ERR_VALUE(r))
 		goto err_free_mem;
@@ -1042,32 +1155,31 @@ omap_i2c_probe(struct platform_device *pdev)
 
 		dev->fifo_size = (dev->fifo_size / 2);
 
-		if (dev->rev >= OMAP_I2C_REV_ON_3630_4430)
-			dev->b_hw = 0; /* Disable hardware fixes */
-		else
+		if (dev->rev < OMAP_I2C_REV_ON_3630_4430)
 			dev->b_hw = 1; /* Enable hardware fixes */
 
 		/* calculate wakeup latency constraint for MPU */
-		if (dev->set_mpu_wkup_lat != NULL)
-			dev->latency = (1000000 * dev->fifo_size) /
-				       (1000 * dev->speed / 8);
+		dev->latency = (1000000 * dev->fifo_size) /
+			       (1000 * dev->speed / 8);
 	}
 
 	/* reset ASAP, clearing any IRQs */
 	omap_i2c_init(dev);
 
-	isr = (dev->rev < OMAP_I2C_OMAP1_REV_2) ? omap_i2c_omap1_isr :
-								   omap_i2c_isr;
-	r = request_irq(dev->irq, isr, IRQF_NO_SUSPEND, pdev->name, dev);
+	if (dev->rev < OMAP_I2C_OMAP1_REV_2)
+		r = devm_request_irq(&pdev->dev, dev->irq, omap_i2c_omap1_isr,
+				IRQF_NO_SUSPEND, pdev->name, dev);
+	else
+		r = devm_request_threaded_irq(&pdev->dev, dev->irq,
+				omap_i2c_isr, omap_i2c_isr_thread,
+				IRQF_NO_SUSPEND | IRQF_ONESHOT,
+				pdev->name, dev);
 
 	if (r) {
 		dev_err(dev->dev, "failure requesting irq %i\n", dev->irq);
 		goto err_unuse_clocks;
 	}
 
-	dev_info(dev->dev, "bus %d rev%d.%d.%d at %d kHz\n", pdev->id,
-		 dev->dtrev, dev->rev >> 4, dev->rev & 0xf, dev->speed);
-
 	adap = &dev->adapter;
 	i2c_set_adapdata(adap, dev);
 	adap->owner = THIS_MODULE;
@@ -1082,27 +1194,25 @@ omap_i2c_probe(struct platform_device *pdev)
 	r = i2c_add_numbered_adapter(adap);
 	if (r) {
 		dev_err(dev->dev, "failure adding adapter\n");
-		goto err_free_irq;
+		goto err_unuse_clocks;
 	}
 
+	dev_info(dev->dev, "bus %d rev%d.%d.%d at %d kHz\n", adap->nr,
+		 dev->dtrev, dev->rev >> 4, dev->rev & 0xf, dev->speed);
+
 	of_i2c_register_devices(adap);
 
-	pm_runtime_put(dev->dev);
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
 
 	return 0;
 
-err_free_irq:
-	free_irq(dev->irq, dev);
 err_unuse_clocks:
 	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
 	pm_runtime_put(dev->dev);
-	iounmap(dev->base);
 	pm_runtime_disable(&pdev->dev);
 err_free_mem:
 	platform_set_drvdata(pdev, NULL);
-	kfree(dev);
-err_release_region:
-	release_mem_region(mem->start, resource_size(mem));
 
 	return r;
 }
@@ -1110,12 +1220,10 @@ err_release_region:
 static int __devexit omap_i2c_remove(struct platform_device *pdev)
 {
 	struct omap_i2c_dev	*dev = platform_get_drvdata(pdev);
-	struct resource		*mem;
 	int ret;
 
 	platform_set_drvdata(pdev, NULL);
 
-	free_irq(dev->irq, dev);
 	i2c_del_adapter(&dev->adapter);
 	ret = pm_runtime_get_sync(&pdev->dev);
 	if (IS_ERR_VALUE(ret))
@@ -1124,10 +1232,6 @@ static int __devexit omap_i2c_remove(struct platform_device *pdev)
 	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
 	pm_runtime_put(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
-	iounmap(dev->base);
-	kfree(dev);
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(mem->start, resource_size(mem));
 	return 0;
 }
 
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
new file mode 100644
index 00000000000..f9399d163af
--- /dev/null
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -0,0 +1,709 @@
+/*
+ *  drivers/i2c/busses/i2c-rcar.c
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This file is based on the drivers/i2c/busses/i2c-sh7760.c
+ * (c) 2005-2008 MSC Vertriebsges.m.b.H, Manuel Lauss <mlau@msc-ge.com>
+ *
+ * This file used out-of-tree driver i2c-rcar.c
+ * Copyright (C) 2011-2012 Renesas Electronics Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/i2c/i2c-rcar.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+/* register offsets */
+#define ICSCR	0x00	/* slave ctrl */
+#define ICMCR	0x04	/* master ctrl */
+#define ICSSR	0x08	/* slave status */
+#define ICMSR	0x0C	/* master status */
+#define ICSIER	0x10	/* slave irq enable */
+#define ICMIER	0x14	/* master irq enable */
+#define ICCCR	0x18	/* clock dividers */
+#define ICSAR	0x1C	/* slave address */
+#define ICMAR	0x20	/* master address */
+#define ICRXTX	0x24	/* data port */
+
+/* ICMCR */
+#define MDBS	(1 << 7)	/* non-fifo mode switch */
+#define FSCL	(1 << 6)	/* override SCL pin */
+#define FSDA	(1 << 5)	/* override SDA pin */
+#define OBPC	(1 << 4)	/* override pins */
+#define MIE	(1 << 3)	/* master if enable */
+#define TSBE	(1 << 2)
+#define FSB	(1 << 1)	/* force stop bit */
+#define ESG	(1 << 0)	/* en startbit gen */
+
+/* ICMSR */
+#define MNR	(1 << 6)	/* nack received */
+#define MAL	(1 << 5)	/* arbitration lost */
+#define MST	(1 << 4)	/* sent a stop */
+#define MDE	(1 << 3)
+#define MDT	(1 << 2)
+#define MDR	(1 << 1)
+#define MAT	(1 << 0)	/* slave addr xfer done */
+
+/* ICMIE */
+#define MNRE	(1 << 6)	/* nack irq en */
+#define MALE	(1 << 5)	/* arblos irq en */
+#define MSTE	(1 << 4)	/* stop irq en */
+#define MDEE	(1 << 3)
+#define MDTE	(1 << 2)
+#define MDRE	(1 << 1)
+#define MATE	(1 << 0)	/* address sent irq en */
+
+
+enum {
+	RCAR_BUS_PHASE_ADDR,
+	RCAR_BUS_PHASE_DATA,
+	RCAR_BUS_PHASE_STOP,
+};
+
+enum {
+	RCAR_IRQ_CLOSE,
+	RCAR_IRQ_OPEN_FOR_SEND,
+	RCAR_IRQ_OPEN_FOR_RECV,
+	RCAR_IRQ_OPEN_FOR_STOP,
+};
+
+/*
+ * flags
+ */
+#define ID_LAST_MSG	(1 << 0)
+#define ID_IOERROR	(1 << 1)
+#define ID_DONE		(1 << 2)
+#define ID_ARBLOST	(1 << 3)
+#define ID_NACK		(1 << 4)
+
+struct rcar_i2c_priv {
+	void __iomem *io;
+	struct i2c_adapter adap;
+	struct i2c_msg	*msg;
+
+	spinlock_t lock;
+	wait_queue_head_t wait;
+
+	int pos;
+	int irq;
+	u32 icccr;
+	u32 flags;
+};
+
+#define rcar_i2c_priv_to_dev(p)		((p)->adap.dev.parent)
+#define rcar_i2c_is_recv(p)		((p)->msg->flags & I2C_M_RD)
+
+#define rcar_i2c_flags_set(p, f)	((p)->flags |= (f))
+#define rcar_i2c_flags_has(p, f)	((p)->flags & (f))
+
+#define LOOP_TIMEOUT	1024
+
+/*
+ *		basic functions
+ */
+static void rcar_i2c_write(struct rcar_i2c_priv *priv, int reg, u32 val)
+{
+	writel(val, priv->io + reg);
+}
+
+static u32 rcar_i2c_read(struct rcar_i2c_priv *priv, int reg)
+{
+	return readl(priv->io + reg);
+}
+
+static void rcar_i2c_init(struct rcar_i2c_priv *priv)
+{
+	/*
+	 * reset slave mode.
+	 * slave mode is not used on this driver
+	 */
+	rcar_i2c_write(priv, ICSIER, 0);
+	rcar_i2c_write(priv, ICSAR, 0);
+	rcar_i2c_write(priv, ICSCR, 0);
+	rcar_i2c_write(priv, ICSSR, 0);
+
+	/* reset master mode */
+	rcar_i2c_write(priv, ICMIER, 0);
+	rcar_i2c_write(priv, ICMCR, 0);
+	rcar_i2c_write(priv, ICMSR, 0);
+	rcar_i2c_write(priv, ICMAR, 0);
+}
+
+static void rcar_i2c_irq_mask(struct rcar_i2c_priv *priv, int open)
+{
+	u32 val = MNRE | MALE | MSTE | MATE; /* default */
+
+	switch (open) {
+	case RCAR_IRQ_OPEN_FOR_SEND:
+		val |= MDEE; /* default + send */
+		break;
+	case RCAR_IRQ_OPEN_FOR_RECV:
+		val |= MDRE; /* default + read */
+		break;
+	case RCAR_IRQ_OPEN_FOR_STOP:
+		val = MSTE; /* stop irq only */
+		break;
+	case RCAR_IRQ_CLOSE:
+	default:
+		val = 0; /* all close */
+		break;
+	}
+	rcar_i2c_write(priv, ICMIER, val);
+}
+
+static void rcar_i2c_set_addr(struct rcar_i2c_priv *priv, u32 recv)
+{
+	rcar_i2c_write(priv, ICMAR, (priv->msg->addr << 1) | recv);
+}
+
+/*
+ *		bus control functions
+ */
+static int rcar_i2c_bus_barrier(struct rcar_i2c_priv *priv)
+{
+	int i;
+
+	for (i = 0; i < LOOP_TIMEOUT; i++) {
+		/* make sure that bus is not busy */
+		if (!(rcar_i2c_read(priv, ICMCR) & FSDA))
+			return 0;
+		udelay(1);
+	}
+
+	return -EBUSY;
+}
+
+static void rcar_i2c_bus_phase(struct rcar_i2c_priv *priv, int phase)
+{
+	switch (phase) {
+	case RCAR_BUS_PHASE_ADDR:
+		rcar_i2c_write(priv, ICMCR, MDBS | MIE | ESG);
+		break;
+	case RCAR_BUS_PHASE_DATA:
+		rcar_i2c_write(priv, ICMCR, MDBS | MIE);
+		break;
+	case RCAR_BUS_PHASE_STOP:
+		rcar_i2c_write(priv, ICMCR, MDBS | MIE | FSB);
+		break;
+	}
+}
+
+/*
+ *		clock function
+ */
+static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv,
+				    u32 bus_speed,
+				    struct device *dev)
+{
+	struct clk *clkp = clk_get(NULL, "peripheral_clk");
+	u32 scgd, cdf;
+	u32 round, ick;
+	u32 scl;
+
+	if (!clkp) {
+		dev_err(dev, "there is no peripheral_clk\n");
+		return -EIO;
+	}
+
+	/*
+	 * calculate SCL clock
+	 * see
+	 *	ICCCR
+	 *
+	 * ick	= clkp / (1 + CDF)
+	 * SCL	= ick / (20 + SCGD * 8 + F[(ticf + tr + intd) * ick])
+	 *
+	 * ick  : I2C internal clock < 20 MHz
+	 * ticf : I2C SCL falling time  =  35 ns here
+	 * tr   : I2C SCL rising  time  = 200 ns here
+	 * intd : LSI internal delay    =  50 ns here
+	 * clkp : peripheral_clk
+	 * F[]  : integer up-valuation
+	 */
+	for (cdf = 0; cdf < 4; cdf++) {
+		ick = clk_get_rate(clkp) / (1 + cdf);
+		if (ick < 20000000)
+			goto ick_find;
+	}
+	dev_err(dev, "there is no best CDF\n");
+	return -EIO;
+
+ick_find:
+	/*
+	 * it is impossible to calculate large scale
+	 * number on u32. separate it
+	 *
+	 * F[(ticf + tr + intd) * ick]
+	 *  = F[(35 + 200 + 50)ns * ick]
+	 *  = F[285 * ick / 1000000000]
+	 *  = F[(ick / 1000000) * 285 / 1000]
+	 */
+	round = (ick + 500000) / 1000000 * 285;
+	round = (round + 500) / 1000;
+
+	/*
+	 * SCL	= ick / (20 + SCGD * 8 + F[(ticf + tr + intd) * ick])
+	 *
+	 * Calculation result (= SCL) should be less than
+	 * bus_speed for hardware safety
+	 */
+	for (scgd = 0; scgd < 0x40; scgd++) {
+		scl = ick / (20 + (scgd * 8) + round);
+		if (scl <= bus_speed)
+			goto scgd_find;
+	}
+	dev_err(dev, "it is impossible to calculate best SCL\n");
+	return -EIO;
+
+scgd_find:
+	dev_dbg(dev, "clk %d/%d(%lu), round %u, CDF:0x%x, SCGD: 0x%x\n",
+		scl, bus_speed, clk_get_rate(clkp), round, cdf, scgd);
+
+	/*
+	 * keep icccr value
+	 */
+	priv->icccr = (scgd << 2 | cdf);
+
+	return 0;
+}
+
+static void rcar_i2c_clock_start(struct rcar_i2c_priv *priv)
+{
+	rcar_i2c_write(priv, ICCCR, priv->icccr);
+}
+
+/*
+ *		status functions
+ */
+static u32 rcar_i2c_status_get(struct rcar_i2c_priv *priv)
+{
+	return rcar_i2c_read(priv, ICMSR);
+}
+
+#define rcar_i2c_status_clear(priv) rcar_i2c_status_bit_clear(priv, 0xffffffff)
+static void rcar_i2c_status_bit_clear(struct rcar_i2c_priv *priv, u32 bit)
+{
+	rcar_i2c_write(priv, ICMSR, ~bit);
+}
+
+/*
+ *		recv/send functions
+ */
+static int rcar_i2c_recv(struct rcar_i2c_priv *priv)
+{
+	rcar_i2c_set_addr(priv, 1);
+	rcar_i2c_status_clear(priv);
+	rcar_i2c_bus_phase(priv, RCAR_BUS_PHASE_ADDR);
+	rcar_i2c_irq_mask(priv, RCAR_IRQ_OPEN_FOR_RECV);
+
+	return 0;
+}
+
+static int rcar_i2c_send(struct rcar_i2c_priv *priv)
+{
+	int ret;
+
+	/*
+	 * It should check bus status when send case
+	 */
+	ret = rcar_i2c_bus_barrier(priv);
+	if (ret < 0)
+		return ret;
+
+	rcar_i2c_set_addr(priv, 0);
+	rcar_i2c_status_clear(priv);
+	rcar_i2c_bus_phase(priv, RCAR_BUS_PHASE_ADDR);
+	rcar_i2c_irq_mask(priv, RCAR_IRQ_OPEN_FOR_SEND);
+
+	return 0;
+}
+
+#define rcar_i2c_send_restart(priv) rcar_i2c_status_bit_clear(priv, (MAT | MDE))
+#define rcar_i2c_recv_restart(priv) rcar_i2c_status_bit_clear(priv, (MAT | MDR))
+
+/*
+ *		interrupt functions
+ */
+static int rcar_i2c_irq_send(struct rcar_i2c_priv *priv, u32 msr)
+{
+	struct i2c_msg *msg = priv->msg;
+
+	/*
+	 * FIXME
+	 * sometimes, unknown interrupt happened.
+	 * Do nothing
+	 */
+	if (!(msr & MDE))
+		return 0;
+
+	/*
+	 * If address transfer phase finished,
+	 * goto data phase.
+	 */
+	if (msr & MAT)
+		rcar_i2c_bus_phase(priv, RCAR_BUS_PHASE_DATA);
+
+	if (priv->pos < msg->len) {
+		/*
+		 * Prepare next data to ICRXTX register.
+		 * This data will go to _SHIFT_ register.
+		 *
+		 *    *
+		 * [ICRXTX] -> [SHIFT] -> [I2C bus]
+		 */
+		rcar_i2c_write(priv, ICRXTX, msg->buf[priv->pos]);
+		priv->pos++;
+
+	} else {
+		/*
+		 * The last data was pushed to ICRXTX on _PREV_ empty irq.
+		 * It is on _SHIFT_ register, and will sent to I2C bus.
+		 *
+		 *		  *
+		 * [ICRXTX] -> [SHIFT] -> [I2C bus]
+		 */
+
+		if (priv->flags & ID_LAST_MSG)
+			/*
+			 * If current msg is the _LAST_ msg,
+			 * prepare stop condition here.
+			 * ID_DONE will be set on STOP irq.
+			 */
+			rcar_i2c_bus_phase(priv, RCAR_BUS_PHASE_STOP);
+		else
+			/*
+			 * If current msg is _NOT_ last msg,
+			 * it doesn't call stop phase.
+			 * thus, there is no STOP irq.
+			 * return ID_DONE here.
+			 */
+			return ID_DONE;
+	}
+
+	rcar_i2c_send_restart(priv);
+
+	return 0;
+}
+
+static int rcar_i2c_irq_recv(struct rcar_i2c_priv *priv, u32 msr)
+{
+	struct i2c_msg *msg = priv->msg;
+
+	/*
+	 * FIXME
+	 * sometimes, unknown interrupt happened.
+	 * Do nothing
+	 */
+	if (!(msr & MDR))
+		return 0;
+
+	if (msr & MAT) {
+		/*
+		 * Address transfer phase finished,
+		 * but, there is no data at this point.
+		 * Do nothing.
+		 */
+	} else if (priv->pos < msg->len) {
+		/*
+		 * get received data
+		 */
+		msg->buf[priv->pos] = rcar_i2c_read(priv, ICRXTX);
+		priv->pos++;
+	}
+
+	/*
+	 * If next received data is the _LAST_,
+	 * go to STOP phase,
+	 * otherwise, go to DATA phase.
+	 */
+	if (priv->pos + 1 >= msg->len)
+		rcar_i2c_bus_phase(priv, RCAR_BUS_PHASE_STOP);
+	else
+		rcar_i2c_bus_phase(priv, RCAR_BUS_PHASE_DATA);
+
+	rcar_i2c_recv_restart(priv);
+
+	return 0;
+}
+
+static irqreturn_t rcar_i2c_irq(int irq, void *ptr)
+{
+	struct rcar_i2c_priv *priv = ptr;
+	struct device *dev = rcar_i2c_priv_to_dev(priv);
+	u32 msr;
+
+	/*-------------- spin lock -----------------*/
+	spin_lock(&priv->lock);
+
+	msr = rcar_i2c_status_get(priv);
+
+	/*
+	 * Arbitration lost
+	 */
+	if (msr & MAL) {
+		/*
+		 * CAUTION
+		 *
+		 * When arbitration lost, device become _slave_ mode.
+		 */
+		dev_dbg(dev, "Arbitration Lost\n");
+		rcar_i2c_flags_set(priv, (ID_DONE | ID_ARBLOST));
+		goto out;
+	}
+
+	/*
+	 * Stop
+	 */
+	if (msr & MST) {
+		dev_dbg(dev, "Stop\n");
+		rcar_i2c_flags_set(priv, ID_DONE);
+		goto out;
+	}
+
+	/*
+	 * Nack
+	 */
+	if (msr & MNR) {
+		dev_dbg(dev, "Nack\n");
+
+		/* go to stop phase */
+		rcar_i2c_bus_phase(priv, RCAR_BUS_PHASE_STOP);
+		rcar_i2c_irq_mask(priv, RCAR_IRQ_OPEN_FOR_STOP);
+		rcar_i2c_flags_set(priv, ID_NACK);
+		goto out;
+	}
+
+	/*
+	 * recv/send
+	 */
+	if (rcar_i2c_is_recv(priv))
+		rcar_i2c_flags_set(priv, rcar_i2c_irq_recv(priv, msr));
+	else
+		rcar_i2c_flags_set(priv, rcar_i2c_irq_send(priv, msr));
+
+out:
+	if (rcar_i2c_flags_has(priv, ID_DONE)) {
+		rcar_i2c_irq_mask(priv, RCAR_IRQ_CLOSE);
+		rcar_i2c_status_clear(priv);
+		wake_up(&priv->wait);
+	}
+
+	spin_unlock(&priv->lock);
+	/*-------------- spin unlock -----------------*/
+
+	return IRQ_HANDLED;
+}
+
+static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
+				struct i2c_msg *msgs,
+				int num)
+{
+	struct rcar_i2c_priv *priv = i2c_get_adapdata(adap);
+	struct device *dev = rcar_i2c_priv_to_dev(priv);
+	unsigned long flags;
+	int i, ret, timeout;
+
+	pm_runtime_get_sync(dev);
+
+	/*-------------- spin lock -----------------*/
+	spin_lock_irqsave(&priv->lock, flags);
+
+	rcar_i2c_init(priv);
+	rcar_i2c_clock_start(priv);
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+	/*-------------- spin unlock -----------------*/
+
+	ret = -EINVAL;
+	for (i = 0; i < num; i++) {
+		/*-------------- spin lock -----------------*/
+		spin_lock_irqsave(&priv->lock, flags);
+
+		/* init each data */
+		priv->msg	= &msgs[i];
+		priv->pos	= 0;
+		priv->flags	= 0;
+		if (priv->msg == &msgs[num - 1])
+			rcar_i2c_flags_set(priv, ID_LAST_MSG);
+
+		/* start send/recv */
+		if (rcar_i2c_is_recv(priv))
+			ret = rcar_i2c_recv(priv);
+		else
+			ret = rcar_i2c_send(priv);
+
+		spin_unlock_irqrestore(&priv->lock, flags);
+		/*-------------- spin unlock -----------------*/
+
+		if (ret < 0)
+			break;
+
+		/*
+		 * wait result
+		 */
+		timeout = wait_event_timeout(priv->wait,
+					     rcar_i2c_flags_has(priv, ID_DONE),
+					     5 * HZ);
+		if (!timeout) {
+			ret = -ETIMEDOUT;
+			break;
+		}
+
+		/*
+		 * error handling
+		 */
+		if (rcar_i2c_flags_has(priv, ID_NACK)) {
+			ret = -EREMOTEIO;
+			break;
+		}
+
+		if (rcar_i2c_flags_has(priv, ID_ARBLOST)) {
+			ret = -EAGAIN;
+			break;
+		}
+
+		if (rcar_i2c_flags_has(priv, ID_IOERROR)) {
+			ret = -EIO;
+			break;
+		}
+
+		ret = i + 1; /* The number of transfer */
+	}
+
+	pm_runtime_put(dev);
+
+	if (ret < 0)
+		dev_err(dev, "error %d : %x\n", ret, priv->flags);
+
+	return ret;
+}
+
+static u32 rcar_i2c_func(struct i2c_adapter *adap)
+{
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+static const struct i2c_algorithm rcar_i2c_algo = {
+	.master_xfer	= rcar_i2c_master_xfer,
+	.functionality	= rcar_i2c_func,
+};
+
+static int __devinit rcar_i2c_probe(struct platform_device *pdev)
+{
+	struct i2c_rcar_platform_data *pdata = pdev->dev.platform_data;
+	struct rcar_i2c_priv *priv;
+	struct i2c_adapter *adap;
+	struct resource *res;
+	struct device *dev = &pdev->dev;
+	u32 bus_speed;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(dev, "no mmio resources\n");
+		return -ENODEV;
+	}
+
+	priv = devm_kzalloc(dev, sizeof(struct rcar_i2c_priv), GFP_KERNEL);
+	if (!priv) {
+		dev_err(dev, "no mem for private data\n");
+		return -ENOMEM;
+	}
+
+	bus_speed = 100000; /* default 100 kHz */
+	if (pdata && pdata->bus_speed)
+		bus_speed = pdata->bus_speed;
+	ret = rcar_i2c_clock_calculate(priv, bus_speed, dev);
+	if (ret < 0)
+		return ret;
+
+	priv->io = devm_ioremap(dev, res->start, resource_size(res));
+	if (!priv->io) {
+		dev_err(dev, "cannot ioremap\n");
+		return -ENODEV;
+	}
+
+	priv->irq = platform_get_irq(pdev, 0);
+	init_waitqueue_head(&priv->wait);
+	spin_lock_init(&priv->lock);
+
+	adap			= &priv->adap;
+	adap->nr		= pdev->id;
+	adap->algo		= &rcar_i2c_algo;
+	adap->class		= I2C_CLASS_HWMON | I2C_CLASS_SPD;
+	adap->retries		= 3;
+	adap->dev.parent	= dev;
+	i2c_set_adapdata(adap, priv);
+	strlcpy(adap->name, pdev->name, sizeof(adap->name));
+
+	ret = devm_request_irq(dev, priv->irq, rcar_i2c_irq, 0,
+			       dev_name(dev), priv);
+	if (ret < 0) {
+		dev_err(dev, "cannot get irq %d\n", priv->irq);
+		return ret;
+	}
+
+	ret = i2c_add_numbered_adapter(adap);
+	if (ret < 0) {
+		dev_err(dev, "reg adap failed: %d\n", ret);
+		return ret;
+	}
+
+	pm_runtime_enable(dev);
+	platform_set_drvdata(pdev, priv);
+
+	dev_info(dev, "probed\n");
+
+	return 0;
+}
+
+static int __devexit rcar_i2c_remove(struct platform_device *pdev)
+{
+	struct rcar_i2c_priv *priv = platform_get_drvdata(pdev);
+	struct device *dev = &pdev->dev;
+
+	i2c_del_adapter(&priv->adap);
+	pm_runtime_disable(dev);
+
+	return 0;
+}
+
+static struct platform_driver rcar_i2c_drv = {
+	.driver	= {
+		.name	= "i2c-rcar",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= rcar_i2c_probe,
+	.remove		= __devexit_p(rcar_i2c_remove),
+};
+
+module_platform_driver(rcar_i2c_drv);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Renesas R-Car I2C bus driver");
+MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 4d07dea9bca..3e0335f1fc6 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -601,14 +601,14 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
 	int ret;
 
 	pm_runtime_get_sync(&adap->dev);
-	clk_enable(i2c->clk);
+	clk_prepare_enable(i2c->clk);
 
 	for (retry = 0; retry < adap->retries; retry++) {
 
 		ret = s3c24xx_i2c_doxfer(i2c, msgs, num);
 
 		if (ret != -EAGAIN) {
-			clk_disable(i2c->clk);
+			clk_disable_unprepare(i2c->clk);
 			pm_runtime_put(&adap->dev);
 			return ret;
 		}
@@ -618,7 +618,7 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
 		udelay(100);
 	}
 
-	clk_disable(i2c->clk);
+	clk_disable_unprepare(i2c->clk);
 	pm_runtime_put(&adap->dev);
 	return -EREMOTEIO;
 }
@@ -977,7 +977,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 
 	dev_dbg(&pdev->dev, "clock source %p\n", i2c->clk);
 
-	clk_enable(i2c->clk);
+	clk_prepare_enable(i2c->clk);
 
 	/* map the registers */
 
@@ -1065,7 +1065,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 	pm_runtime_enable(&i2c->adap.dev);
 
 	dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev));
-	clk_disable(i2c->clk);
+	clk_disable_unprepare(i2c->clk);
 	return 0;
 
  err_cpufreq:
@@ -1082,7 +1082,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 	kfree(i2c->ioarea);
 
  err_clk:
-	clk_disable(i2c->clk);
+	clk_disable_unprepare(i2c->clk);
 	clk_put(i2c->clk);
 
  err_noclk:
@@ -1106,7 +1106,7 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
 	i2c_del_adapter(&i2c->adap);
 	free_irq(i2c->irq, i2c);
 
-	clk_disable(i2c->clk);
+	clk_disable_unprepare(i2c->clk);
 	clk_put(i2c->clk);
 
 	iounmap(i2c->regs);
@@ -1135,9 +1135,9 @@ static int s3c24xx_i2c_resume(struct device *dev)
 	struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev);
 
 	i2c->suspended = 0;
-	clk_enable(i2c->clk);
+	clk_prepare_enable(i2c->clk);
 	s3c24xx_i2c_init(i2c);
-	clk_disable(i2c->clk);
+	clk_disable_unprepare(i2c->clk);
 
 	return 0;
 }
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index f981ac4e678..dcea77bf6f5 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -742,7 +742,7 @@ static int __devinit tegra_i2c_probe(struct platform_device *pdev)
 	}
 
 	ret = devm_request_irq(&pdev->dev, i2c_dev->irq,
-			tegra_i2c_isr, 0, pdev->name, i2c_dev);
+			tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to request irq %i\n", i2c_dev->irq);
 		return ret;
diff --git a/drivers/i2c/busses/i2c-stub.c b/drivers/i2c/i2c-stub.c
index b1b3447942c..d0a9c590c3c 100644
--- a/drivers/i2c/busses/i2c-stub.c
+++ b/drivers/i2c/i2c-stub.c
@@ -2,7 +2,7 @@
     i2c-stub.c - I2C/SMBus chip emulator
 
     Copyright (c) 2004 Mark M. Hoffman <mhoffman@lightlink.com>
-    Copyright (C) 2007 Jean Delvare <khali@linux-fr.org>
+    Copyright (C) 2007, 2012 Jean Delvare <khali@linux-fr.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -51,8 +51,8 @@ struct stub_chip {
 static struct stub_chip *stub_chips;
 
 /* Return negative errno on error. */
-static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags,
-	char read_write, u8 command, int size, union i2c_smbus_data * data)
+static s32 stub_xfer(struct i2c_adapter *adap, u16 addr, unsigned short flags,
+	char read_write, u8 command, int size, union i2c_smbus_data *data)
 {
 	s32 ret;
 	int i, len;
@@ -78,14 +78,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 	case I2C_SMBUS_BYTE:
 		if (read_write == I2C_SMBUS_WRITE) {
 			chip->pointer = command;
-			dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, "
-					"wrote 0x%02x.\n",
-					addr, command);
+			dev_dbg(&adap->dev,
+				"smbus byte - addr 0x%02x, wrote 0x%02x.\n",
+				addr, command);
 		} else {
 			data->byte = chip->words[chip->pointer++] & 0xff;
-			dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, "
-					"read  0x%02x.\n",
-					addr, data->byte);
+			dev_dbg(&adap->dev,
+				"smbus byte - addr 0x%02x, read  0x%02x.\n",
+				addr, data->byte);
 		}
 
 		ret = 0;
@@ -95,14 +95,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 		if (read_write == I2C_SMBUS_WRITE) {
 			chip->words[command] &= 0xff00;
 			chip->words[command] |= data->byte;
-			dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, "
-					"wrote 0x%02x at 0x%02x.\n",
-					addr, data->byte, command);
+			dev_dbg(&adap->dev,
+				"smbus byte data - addr 0x%02x, wrote 0x%02x at 0x%02x.\n",
+				addr, data->byte, command);
 		} else {
 			data->byte = chip->words[command] & 0xff;
-			dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, "
-					"read  0x%02x at 0x%02x.\n",
-					addr, data->byte, command);
+			dev_dbg(&adap->dev,
+				"smbus byte data - addr 0x%02x, read  0x%02x at 0x%02x.\n",
+				addr, data->byte, command);
 		}
 		chip->pointer = command + 1;
 
@@ -112,14 +112,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 	case I2C_SMBUS_WORD_DATA:
 		if (read_write == I2C_SMBUS_WRITE) {
 			chip->words[command] = data->word;
-			dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, "
-					"wrote 0x%04x at 0x%02x.\n",
-					addr, data->word, command);
+			dev_dbg(&adap->dev,
+				"smbus word data - addr 0x%02x, wrote 0x%04x at 0x%02x.\n",
+				addr, data->word, command);
 		} else {
 			data->word = chip->words[command];
-			dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, "
-					"read  0x%04x at 0x%02x.\n",
-					addr, data->word, command);
+			dev_dbg(&adap->dev,
+				"smbus word data - addr 0x%02x, read  0x%04x at 0x%02x.\n",
+				addr, data->word, command);
 		}
 
 		ret = 0;
@@ -132,17 +132,17 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 				chip->words[command + i] &= 0xff00;
 				chip->words[command + i] |= data->block[1 + i];
 			}
-			dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, "
-					"wrote %d bytes at 0x%02x.\n",
-					addr, len, command);
+			dev_dbg(&adap->dev,
+				"i2c block data - addr 0x%02x, wrote %d bytes at 0x%02x.\n",
+				addr, len, command);
 		} else {
 			for (i = 0; i < len; i++) {
 				data->block[1 + i] =
 					chip->words[command + i] & 0xff;
 			}
-			dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, "
-					"read  %d bytes at 0x%02x.\n",
-					addr, len, command);
+			dev_dbg(&adap->dev,
+				"i2c block data - addr 0x%02x, read  %d bytes at 0x%02x.\n",
+				addr, len, command);
 		}
 
 		ret = 0;
@@ -179,25 +179,24 @@ static int __init i2c_stub_init(void)
 	int i, ret;
 
 	if (!chip_addr[0]) {
-		printk(KERN_ERR "i2c-stub: Please specify a chip address\n");
+		pr_err("i2c-stub: Please specify a chip address\n");
 		return -ENODEV;
 	}
 
 	for (i = 0; i < MAX_CHIPS && chip_addr[i]; i++) {
 		if (chip_addr[i] < 0x03 || chip_addr[i] > 0x77) {
-			printk(KERN_ERR "i2c-stub: Invalid chip address "
-			       "0x%02x\n", chip_addr[i]);
+			pr_err("i2c-stub: Invalid chip address 0x%02x\n",
+			       chip_addr[i]);
 			return -EINVAL;
 		}
 
-		printk(KERN_INFO "i2c-stub: Virtual chip at 0x%02x\n",
-		       chip_addr[i]);
+		pr_info("i2c-stub: Virtual chip at 0x%02x\n", chip_addr[i]);
 	}
 
 	/* Allocate memory for all chips at once */
 	stub_chips = kzalloc(i * sizeof(struct stub_chip), GFP_KERNEL);
 	if (!stub_chips) {
-		printk(KERN_ERR "i2c-stub: Out of memory\n");
+		pr_err("i2c-stub: Out of memory\n");
 		return -ENOMEM;
 	}
 
@@ -219,4 +218,3 @@ MODULE_LICENSE("GPL");
 
 module_init(i2c_stub_init);
 module_exit(i2c_stub_exit);
-
diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
index 6e3f143fc71..fc937aca71f 100644
--- a/drivers/iio/Kconfig
+++ b/drivers/iio/Kconfig
@@ -62,7 +62,6 @@ source "drivers/iio/frequency/Kconfig"
 source "drivers/iio/dac/Kconfig"
 source "drivers/iio/common/Kconfig"
 source "drivers/iio/gyro/Kconfig"
-source "drivers/iio/light/Kconfig"
 source "drivers/iio/magnetometer/Kconfig"
 
 endif # IIO
diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile
index f7fa3c0867b..761f2b65ac5 100644
--- a/drivers/iio/Makefile
+++ b/drivers/iio/Makefile
@@ -18,5 +18,4 @@ obj-y += frequency/
 obj-y += dac/
 obj-y += common/
 obj-y += gyro/
-obj-y += light/
 obj-y += magnetometer/
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 1983adc1924..a7568c34a1a 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3498,7 +3498,8 @@ out:
 }
 
 static const struct ibnl_client_cbs cma_cb_table[] = {
-	[RDMA_NL_RDMA_CM_ID_STATS] = { .dump = cma_get_id_stats },
+	[RDMA_NL_RDMA_CM_ID_STATS] = { .dump = cma_get_id_stats,
+				       .module = THIS_MODULE },
 };
 
 static int __init cma_init(void)
diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c
index fe10a949aef..da06abde9e0 100644
--- a/drivers/infiniband/core/netlink.c
+++ b/drivers/infiniband/core/netlink.c
@@ -154,6 +154,7 @@ static int ibnl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 			{
 				struct netlink_dump_control c = {
 					.dump = client->cb_table[op].dump,
+					.module = client->cb_table[op].module,
 				};
 				return netlink_dump_start(nls, skb, nlh, &c);
 			}
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 57e07c61ace..afd81790ab3 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -468,7 +468,7 @@ struct ib_mr *c4iw_register_phys_mem(struct ib_pd *pd,
 	ret = alloc_pbl(mhp, npages);
 	if (ret) {
 		kfree(page_list);
-		goto err_pbl;
+		goto err;
 	}
 
 	ret = write_pbl(&mhp->rhp->rdev, page_list, mhp->attr.pbl_addr,
diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c
index d2fb38d4357..2f215b93db6 100644
--- a/drivers/infiniband/hw/mlx4/alias_GUID.c
+++ b/drivers/infiniband/hw/mlx4/alias_GUID.c
@@ -107,7 +107,7 @@ static __be64 get_cached_alias_guid(struct mlx4_ib_dev *dev, int port, int index
 {
 	if (index >= NUM_ALIAS_GUID_PER_PORT) {
 		pr_err("%s: ERROR: asked for index:%d\n", __func__, index);
-		return  (__force __be64) ((u64) 0xFFFFFFFFFFFFFFFFUL);
+		return (__force __be64) -1;
 	}
 	return *(__be64 *)&dev->sriov.demux[port - 1].guid_cache[index];
 }
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 21a794152d1..0a903c129f0 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -409,38 +409,45 @@ int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid)
 }
 
 
-static int get_pkey_phys_indices(struct mlx4_ib_dev *ibdev, u8 port, u8 ph_pkey_ix,
-				 u8 *full_pk_ix, u8 *partial_pk_ix,
-				 int *is_full_member)
+static int find_slave_port_pkey_ix(struct mlx4_ib_dev *dev, int slave,
+				   u8 port, u16 pkey, u16 *ix)
 {
-	u16 search_pkey;
-	int fm;
-	int err = 0;
-	u16 pk;
+	int i, ret;
+	u8 unassigned_pkey_ix, pkey_ix, partial_ix = 0xFF;
+	u16 slot_pkey;
 
-	err = ib_get_cached_pkey(&ibdev->ib_dev, port, ph_pkey_ix, &search_pkey);
-	if (err)
-		return err;
+	if (slave == mlx4_master_func_num(dev->dev))
+		return ib_find_cached_pkey(&dev->ib_dev, port, pkey, ix);
 
-	fm = (search_pkey & 0x8000) ? 1 : 0;
-	if (fm) {
-		*full_pk_ix = ph_pkey_ix;
-		search_pkey &= 0x7FFF;
-	} else {
-		*partial_pk_ix = ph_pkey_ix;
-		search_pkey |= 0x8000;
-	}
+	unassigned_pkey_ix = dev->dev->phys_caps.pkey_phys_table_len[port] - 1;
 
-	if (ib_find_exact_cached_pkey(&ibdev->ib_dev, port, search_pkey, &pk))
-		pk = 0xFFFF;
+	for (i = 0; i < dev->dev->caps.pkey_table_len[port]; i++) {
+		if (dev->pkeys.virt2phys_pkey[slave][port - 1][i] == unassigned_pkey_ix)
+			continue;
 
-	if (fm)
-		*partial_pk_ix = (pk & 0xFF);
-	else
-		*full_pk_ix = (pk & 0xFF);
+		pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][i];
 
-	*is_full_member = fm;
-	return err;
+		ret = ib_get_cached_pkey(&dev->ib_dev, port, pkey_ix, &slot_pkey);
+		if (ret)
+			continue;
+		if ((slot_pkey & 0x7FFF) == (pkey & 0x7FFF)) {
+			if (slot_pkey & 0x8000) {
+				*ix = (u16) pkey_ix;
+				return 0;
+			} else {
+				/* take first partial pkey index found */
+				if (partial_ix == 0xFF)
+					partial_ix = pkey_ix;
+			}
+		}
+	}
+
+	if (partial_ix < 0xFF) {
+		*ix = (u16) partial_ix;
+		return 0;
+	}
+
+	return -EINVAL;
 }
 
 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
@@ -458,10 +465,8 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
 	unsigned tun_tx_ix = 0;
 	int dqpn;
 	int ret = 0;
-	int i;
-	int is_full_member = 0;
 	u16 tun_pkey_ix;
-	u8 ph_pkey_ix, full_pk_ix = 0, partial_pk_ix = 0;
+	u16 cached_pkey;
 
 	if (dest_qpt > IB_QPT_GSI)
 		return -EINVAL;
@@ -481,27 +486,17 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
 	else
 		tun_qp = &tun_ctx->qp[1];
 
-	/* compute pkey index for slave */
-	/* get physical pkey -- virtualized Dom0 pkey to phys*/
+	/* compute P_Key index to put in tunnel header for slave */
 	if (dest_qpt) {
-		ph_pkey_ix =
-			dev->pkeys.virt2phys_pkey[mlx4_master_func_num(dev->dev)][port - 1][wc->pkey_index];
-
-		/* now, translate this to the slave pkey index */
-		ret = get_pkey_phys_indices(dev, port, ph_pkey_ix, &full_pk_ix,
-					    &partial_pk_ix, &is_full_member);
+		u16 pkey_ix;
+		ret = ib_get_cached_pkey(&dev->ib_dev, port, wc->pkey_index, &cached_pkey);
 		if (ret)
 			return -EINVAL;
 
-		for (i = 0; i < dev->dev->caps.pkey_table_len[port]; i++) {
-			if ((dev->pkeys.virt2phys_pkey[slave][port - 1][i] == full_pk_ix) ||
-			    (is_full_member &&
-			     (dev->pkeys.virt2phys_pkey[slave][port - 1][i] == partial_pk_ix)))
-				break;
-		}
-		if (i == dev->dev->caps.pkey_table_len[port])
+		ret = find_slave_port_pkey_ix(dev, slave, port, cached_pkey, &pkey_ix);
+		if (ret)
 			return -EINVAL;
-		tun_pkey_ix = i;
+		tun_pkey_ix = pkey_ix;
 	} else
 		tun_pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][0];
 
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
index 3c3b54c3fdd..25b2cdff00f 100644
--- a/drivers/infiniband/hw/mlx4/mcg.c
+++ b/drivers/infiniband/hw/mlx4/mcg.c
@@ -233,7 +233,8 @@ static int send_mad_to_slave(int slave, struct mlx4_ib_demux_ctx *ctx,
 
 	ib_query_ah(dev->sm_ah[ctx->port - 1], &ah_attr);
 
-	wc.pkey_index = 0;
+	if (ib_find_cached_pkey(&dev->ib_dev, ctx->port, IB_DEFAULT_PKEY_FULL, &wc.pkey_index))
+		return -EINVAL;
 	wc.sl = 0;
 	wc.dlid_path_bits = 0;
 	wc.port_num = ctx->port;
@@ -1074,10 +1075,6 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy
 	unsigned long end;
 	int count;
 
-	if (ctx->flushing)
-		return;
-
-	ctx->flushing = 1;
 	for (i = 0; i < MAX_VFS; ++i)
 		clean_vf_mcast(ctx, i);
 
@@ -1107,9 +1104,6 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy
 		force_clean_group(group);
 	}
 	mutex_unlock(&ctx->mcg_table_lock);
-
-	if (!destroy_wq)
-		ctx->flushing = 0;
 }
 
 struct clean_work {
@@ -1123,6 +1117,7 @@ static void mcg_clean_task(struct work_struct *work)
 	struct clean_work *cw = container_of(work, struct clean_work, work);
 
 	_mlx4_ib_mcg_port_cleanup(cw->ctx, cw->destroy_wq);
+	cw->ctx->flushing = 0;
 	kfree(cw);
 }
 
@@ -1130,13 +1125,20 @@ void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq)
 {
 	struct clean_work *work;
 
+	if (ctx->flushing)
+		return;
+
+	ctx->flushing = 1;
+
 	if (destroy_wq) {
 		_mlx4_ib_mcg_port_cleanup(ctx, destroy_wq);
+		ctx->flushing = 0;
 		return;
 	}
 
 	work = kmalloc(sizeof *work, GFP_KERNEL);
 	if (!work) {
+		ctx->flushing = 0;
 		mcg_warn("failed allocating work for cleanup\n");
 		return;
 	}
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 9e1449f8c6a..cf23c46185b 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -3564,16 +3564,6 @@ static int srpt_get_tcm_cmd_state(struct se_cmd *se_cmd)
 	return srpt_get_cmd_state(ioctx);
 }
 
-static u16 srpt_set_fabric_sense_len(struct se_cmd *cmd, u32 sense_length)
-{
-	return 0;
-}
-
-static u16 srpt_get_fabric_sense_len(void)
-{
-	return 0;
-}
-
 /**
  * srpt_parse_i_port_id() - Parse an initiator port ID.
  * @name: ASCII representation of a 128-bit initiator port ID.
@@ -3953,8 +3943,6 @@ static struct target_core_fabric_ops srpt_template = {
 	.queue_data_in			= srpt_queue_response,
 	.queue_status			= srpt_queue_status,
 	.queue_tm_rsp			= srpt_queue_response,
-	.get_fabric_sense_len		= srpt_get_fabric_sense_len,
-	.set_fabric_sense_len		= srpt_set_fabric_sense_len,
 	/*
 	 * Setup function pointers for generic logic in
 	 * target_core_fabric_configfs.c
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 118d0300f1f..f0f8928b3c8 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -23,11 +23,11 @@
 #include <linux/input/mt.h>
 #include <linux/major.h>
 #include <linux/device.h>
+#include <linux/cdev.h>
 #include "input-compat.h"
 
 struct evdev {
 	int open;
-	int minor;
 	struct input_handle handle;
 	wait_queue_head_t wait;
 	struct evdev_client __rcu *grab;
@@ -35,6 +35,7 @@ struct evdev {
 	spinlock_t client_lock; /* protects client_list */
 	struct mutex mutex;
 	struct device dev;
+	struct cdev cdev;
 	bool exist;
 };
 
@@ -51,9 +52,6 @@ struct evdev_client {
 	struct input_event buffer[];
 };
 
-static struct evdev *evdev_table[EVDEV_MINORS];
-static DEFINE_MUTEX(evdev_table_mutex);
-
 static void __pass_event(struct evdev_client *client,
 			 const struct input_event *event)
 {
@@ -294,7 +292,6 @@ static int evdev_release(struct inode *inode, struct file *file)
 	kfree(client);
 
 	evdev_close_device(evdev);
-	put_device(&evdev->dev);
 
 	return 0;
 }
@@ -310,35 +307,16 @@ static unsigned int evdev_compute_buffer_size(struct input_dev *dev)
 
 static int evdev_open(struct inode *inode, struct file *file)
 {
-	struct evdev *evdev;
+	struct evdev *evdev = container_of(inode->i_cdev, struct evdev, cdev);
+	unsigned int bufsize = evdev_compute_buffer_size(evdev->handle.dev);
 	struct evdev_client *client;
-	int i = iminor(inode) - EVDEV_MINOR_BASE;
-	unsigned int bufsize;
 	int error;
 
-	if (i >= EVDEV_MINORS)
-		return -ENODEV;
-
-	error = mutex_lock_interruptible(&evdev_table_mutex);
-	if (error)
-		return error;
-	evdev = evdev_table[i];
-	if (evdev)
-		get_device(&evdev->dev);
-	mutex_unlock(&evdev_table_mutex);
-
-	if (!evdev)
-		return -ENODEV;
-
-	bufsize = evdev_compute_buffer_size(evdev->handle.dev);
-
 	client = kzalloc(sizeof(struct evdev_client) +
 				bufsize * sizeof(struct input_event),
 			 GFP_KERNEL);
-	if (!client) {
-		error = -ENOMEM;
-		goto err_put_evdev;
-	}
+	if (!client)
+		return -ENOMEM;
 
 	client->bufsize = bufsize;
 	spin_lock_init(&client->buffer_lock);
@@ -357,8 +335,6 @@ static int evdev_open(struct inode *inode, struct file *file)
  err_free_client:
 	evdev_detach_client(evdev, client);
 	kfree(client);
- err_put_evdev:
-	put_device(&evdev->dev);
 	return error;
 }
 
@@ -942,26 +918,6 @@ static const struct file_operations evdev_fops = {
 	.llseek		= no_llseek,
 };
 
-static int evdev_install_chrdev(struct evdev *evdev)
-{
-	/*
-	 * No need to do any locking here as calls to connect and
-	 * disconnect are serialized by the input core
-	 */
-	evdev_table[evdev->minor] = evdev;
-	return 0;
-}
-
-static void evdev_remove_chrdev(struct evdev *evdev)
-{
-	/*
-	 * Lock evdev table to prevent race with evdev_open()
-	 */
-	mutex_lock(&evdev_table_mutex);
-	evdev_table[evdev->minor] = NULL;
-	mutex_unlock(&evdev_table_mutex);
-}
-
 /*
  * Mark device non-existent. This disables writes, ioctls and
  * prevents new users from opening the device. Already posted
@@ -980,7 +936,8 @@ static void evdev_cleanup(struct evdev *evdev)
 
 	evdev_mark_dead(evdev);
 	evdev_hangup(evdev);
-	evdev_remove_chrdev(evdev);
+
+	cdev_del(&evdev->cdev);
 
 	/* evdev is marked dead so no one else accesses evdev->open */
 	if (evdev->open) {
@@ -991,43 +948,47 @@ static void evdev_cleanup(struct evdev *evdev)
 
 /*
  * Create new evdev device. Note that input core serializes calls
- * to connect and disconnect so we don't need to lock evdev_table here.
+ * to connect and disconnect.
  */
 static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
 			 const struct input_device_id *id)
 {
 	struct evdev *evdev;
 	int minor;
+	int dev_no;
 	int error;
 
-	for (minor = 0; minor < EVDEV_MINORS; minor++)
-		if (!evdev_table[minor])
-			break;
-
-	if (minor == EVDEV_MINORS) {
-		pr_err("no more free evdev devices\n");
-		return -ENFILE;
+	minor = input_get_new_minor(EVDEV_MINOR_BASE, EVDEV_MINORS, true);
+	if (minor < 0) {
+		error = minor;
+		pr_err("failed to reserve new minor: %d\n", error);
+		return error;
 	}
 
 	evdev = kzalloc(sizeof(struct evdev), GFP_KERNEL);
-	if (!evdev)
-		return -ENOMEM;
+	if (!evdev) {
+		error = -ENOMEM;
+		goto err_free_minor;
+	}
 
 	INIT_LIST_HEAD(&evdev->client_list);
 	spin_lock_init(&evdev->client_lock);
 	mutex_init(&evdev->mutex);
 	init_waitqueue_head(&evdev->wait);
-
-	dev_set_name(&evdev->dev, "event%d", minor);
 	evdev->exist = true;
-	evdev->minor = minor;
+
+	dev_no = minor;
+	/* Normalize device number if it falls into legacy range */
+	if (dev_no < EVDEV_MINOR_BASE + EVDEV_MINORS)
+		dev_no -= EVDEV_MINOR_BASE;
+	dev_set_name(&evdev->dev, "event%d", dev_no);
 
 	evdev->handle.dev = input_get_device(dev);
 	evdev->handle.name = dev_name(&evdev->dev);
 	evdev->handle.handler = handler;
 	evdev->handle.private = evdev;
 
-	evdev->dev.devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor);
+	evdev->dev.devt = MKDEV(INPUT_MAJOR, minor);
 	evdev->dev.class = &input_class;
 	evdev->dev.parent = &dev->dev;
 	evdev->dev.release = evdev_free;
@@ -1037,7 +998,9 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
 	if (error)
 		goto err_free_evdev;
 
-	error = evdev_install_chrdev(evdev);
+	cdev_init(&evdev->cdev, &evdev_fops);
+	evdev->cdev.kobj.parent = &evdev->dev.kobj;
+	error = cdev_add(&evdev->cdev, evdev->dev.devt, 1);
 	if (error)
 		goto err_unregister_handle;
 
@@ -1053,6 +1016,8 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
 	input_unregister_handle(&evdev->handle);
  err_free_evdev:
 	put_device(&evdev->dev);
+ err_free_minor:
+	input_free_minor(minor);
 	return error;
 }
 
@@ -1062,6 +1027,7 @@ static void evdev_disconnect(struct input_handle *handle)
 
 	device_del(&evdev->dev);
 	evdev_cleanup(evdev);
+	input_free_minor(MINOR(evdev->dev.devt));
 	input_unregister_handle(handle);
 	put_device(&evdev->dev);
 }
@@ -1078,7 +1044,7 @@ static struct input_handler evdev_handler = {
 	.events		= evdev_events,
 	.connect	= evdev_connect,
 	.disconnect	= evdev_disconnect,
-	.fops		= &evdev_fops,
+	.legacy_minors	= true,
 	.minor		= EVDEV_MINOR_BASE,
 	.name		= "evdev",
 	.id_table	= evdev_ids,
diff --git a/drivers/input/input.c b/drivers/input/input.c
index ace3f7c4226..53a0ddee787 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -14,6 +14,7 @@
 
 #include <linux/init.h>
 #include <linux/types.h>
+#include <linux/idr.h>
 #include <linux/input/mt.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -32,7 +33,9 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
 MODULE_DESCRIPTION("Input core");
 MODULE_LICENSE("GPL");
 
-#define INPUT_DEVICES	256
+#define INPUT_MAX_CHAR_DEVICES		1024
+#define INPUT_FIRST_DYNAMIC_DEV		256
+static DEFINE_IDA(input_ida);
 
 static LIST_HEAD(input_dev_list);
 static LIST_HEAD(input_handler_list);
@@ -45,8 +48,6 @@ static LIST_HEAD(input_handler_list);
  */
 static DEFINE_MUTEX(input_mutex);
 
-static struct input_handler *input_table[8];
-
 static const struct input_value input_value_sync = { EV_SYN, SYN_REPORT, 1 };
 
 static inline int is_event_supported(unsigned int code,
@@ -1218,7 +1219,7 @@ static int input_handlers_seq_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "N: Number=%u Name=%s", state->pos, handler->name);
 	if (handler->filter)
 		seq_puts(seq, " (filter)");
-	if (handler->fops)
+	if (handler->legacy_minors)
 		seq_printf(seq, " Minor=%d", handler->minor);
 	seq_putc(seq, '\n');
 
@@ -2016,22 +2017,14 @@ EXPORT_SYMBOL(input_unregister_device);
 int input_register_handler(struct input_handler *handler)
 {
 	struct input_dev *dev;
-	int retval;
+	int error;
 
-	retval = mutex_lock_interruptible(&input_mutex);
-	if (retval)
-		return retval;
+	error = mutex_lock_interruptible(&input_mutex);
+	if (error)
+		return error;
 
 	INIT_LIST_HEAD(&handler->h_list);
 
-	if (handler->fops != NULL) {
-		if (input_table[handler->minor >> 5]) {
-			retval = -EBUSY;
-			goto out;
-		}
-		input_table[handler->minor >> 5] = handler;
-	}
-
 	list_add_tail(&handler->node, &input_handler_list);
 
 	list_for_each_entry(dev, &input_dev_list, node)
@@ -2039,9 +2032,8 @@ int input_register_handler(struct input_handler *handler)
 
 	input_wakeup_procfs_readers();
 
- out:
 	mutex_unlock(&input_mutex);
-	return retval;
+	return 0;
 }
 EXPORT_SYMBOL(input_register_handler);
 
@@ -2064,9 +2056,6 @@ void input_unregister_handler(struct input_handler *handler)
 
 	list_del_init(&handler->node);
 
-	if (handler->fops != NULL)
-		input_table[handler->minor >> 5] = NULL;
-
 	input_wakeup_procfs_readers();
 
 	mutex_unlock(&input_mutex);
@@ -2183,51 +2172,52 @@ void input_unregister_handle(struct input_handle *handle)
 }
 EXPORT_SYMBOL(input_unregister_handle);
 
-static int input_open_file(struct inode *inode, struct file *file)
+/**
+ * input_get_new_minor - allocates a new input minor number
+ * @legacy_base: beginning or the legacy range to be searched
+ * @legacy_num: size of legacy range
+ * @allow_dynamic: whether we can also take ID from the dynamic range
+ *
+ * This function allocates a new device minor for from input major namespace.
+ * Caller can request legacy minor by specifying @legacy_base and @legacy_num
+ * parameters and whether ID can be allocated from dynamic range if there are
+ * no free IDs in legacy range.
+ */
+int input_get_new_minor(int legacy_base, unsigned int legacy_num,
+			bool allow_dynamic)
 {
-	struct input_handler *handler;
-	const struct file_operations *old_fops, *new_fops = NULL;
-	int err;
-
-	err = mutex_lock_interruptible(&input_mutex);
-	if (err)
-		return err;
-
-	/* No load-on-demand here? */
-	handler = input_table[iminor(inode) >> 5];
-	if (handler)
-		new_fops = fops_get(handler->fops);
-
-	mutex_unlock(&input_mutex);
-
 	/*
-	 * That's _really_ odd. Usually NULL ->open means "nothing special",
-	 * not "no device". Oh, well...
+	 * This function should be called from input handler's ->connect()
+	 * methods, which are serialized with input_mutex, so no additional
+	 * locking is needed here.
 	 */
-	if (!new_fops || !new_fops->open) {
-		fops_put(new_fops);
-		err = -ENODEV;
-		goto out;
+	if (legacy_base >= 0) {
+		int minor = ida_simple_get(&input_ida,
+					   legacy_base,
+					   legacy_base + legacy_num,
+					   GFP_KERNEL);
+		if (minor >= 0 || !allow_dynamic)
+			return minor;
 	}
 
-	old_fops = file->f_op;
-	file->f_op = new_fops;
-
-	err = new_fops->open(inode, file);
-	if (err) {
-		fops_put(file->f_op);
-		file->f_op = fops_get(old_fops);
-	}
-	fops_put(old_fops);
-out:
-	return err;
+	return ida_simple_get(&input_ida,
+			      INPUT_FIRST_DYNAMIC_DEV, INPUT_MAX_CHAR_DEVICES,
+			      GFP_KERNEL);
 }
+EXPORT_SYMBOL(input_get_new_minor);
 
-static const struct file_operations input_fops = {
-	.owner = THIS_MODULE,
-	.open = input_open_file,
-	.llseek = noop_llseek,
-};
+/**
+ * input_free_minor - release previously allocated minor
+ * @minor: minor to be released
+ *
+ * This function releases previously allocated input minor so that it can be
+ * reused later.
+ */
+void input_free_minor(unsigned int minor)
+{
+	ida_simple_remove(&input_ida, minor);
+}
+EXPORT_SYMBOL(input_free_minor);
 
 static int __init input_init(void)
 {
@@ -2243,7 +2233,8 @@ static int __init input_init(void)
 	if (err)
 		goto fail1;
 
-	err = register_chrdev(INPUT_MAJOR, "input", &input_fops);
+	err = register_chrdev_region(MKDEV(INPUT_MAJOR, 0),
+				     INPUT_MAX_CHAR_DEVICES, "input");
 	if (err) {
 		pr_err("unable to register char major %d", INPUT_MAJOR);
 		goto fail2;
@@ -2259,7 +2250,8 @@ static int __init input_init(void)
 static void __exit input_exit(void)
 {
 	input_proc_exit();
-	unregister_chrdev(INPUT_MAJOR, "input");
+	unregister_chrdev_region(MKDEV(INPUT_MAJOR, 0),
+				 INPUT_MAX_CHAR_DEVICES);
 	class_unregister(&input_class);
 }
 
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 78f323ea1e4..f362883c94e 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -27,6 +27,7 @@
 #include <linux/poll.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/cdev.h>
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Joystick device interfaces");
@@ -39,13 +40,13 @@ MODULE_LICENSE("GPL");
 
 struct joydev {
 	int open;
-	int minor;
 	struct input_handle handle;
 	wait_queue_head_t wait;
 	struct list_head client_list;
 	spinlock_t client_lock; /* protects client_list */
 	struct mutex mutex;
 	struct device dev;
+	struct cdev cdev;
 	bool exist;
 
 	struct js_corr corr[ABS_CNT];
@@ -70,9 +71,6 @@ struct joydev_client {
 	struct list_head node;
 };
 
-static struct joydev *joydev_table[JOYDEV_MINORS];
-static DEFINE_MUTEX(joydev_table_mutex);
-
 static int joydev_correct(int value, struct js_corr *corr)
 {
 	switch (corr->type) {
@@ -245,37 +243,20 @@ static int joydev_release(struct inode *inode, struct file *file)
 	kfree(client);
 
 	joydev_close_device(joydev);
-	put_device(&joydev->dev);
 
 	return 0;
 }
 
 static int joydev_open(struct inode *inode, struct file *file)
 {
+	struct joydev *joydev =
+			container_of(inode->i_cdev, struct joydev, cdev);
 	struct joydev_client *client;
-	struct joydev *joydev;
-	int i = iminor(inode) - JOYDEV_MINOR_BASE;
 	int error;
 
-	if (i >= JOYDEV_MINORS)
-		return -ENODEV;
-
-	error = mutex_lock_interruptible(&joydev_table_mutex);
-	if (error)
-		return error;
-	joydev = joydev_table[i];
-	if (joydev)
-		get_device(&joydev->dev);
-	mutex_unlock(&joydev_table_mutex);
-
-	if (!joydev)
-		return -ENODEV;
-
 	client = kzalloc(sizeof(struct joydev_client), GFP_KERNEL);
-	if (!client) {
-		error = -ENOMEM;
-		goto err_put_joydev;
-	}
+	if (!client)
+		return -ENOMEM;
 
 	spin_lock_init(&client->buffer_lock);
 	client->joydev = joydev;
@@ -293,8 +274,6 @@ static int joydev_open(struct inode *inode, struct file *file)
  err_free_client:
 	joydev_detach_client(joydev, client);
 	kfree(client);
- err_put_joydev:
-	put_device(&joydev->dev);
 	return error;
 }
 
@@ -742,19 +721,6 @@ static const struct file_operations joydev_fops = {
 	.llseek		= no_llseek,
 };
 
-static int joydev_install_chrdev(struct joydev *joydev)
-{
-	joydev_table[joydev->minor] = joydev;
-	return 0;
-}
-
-static void joydev_remove_chrdev(struct joydev *joydev)
-{
-	mutex_lock(&joydev_table_mutex);
-	joydev_table[joydev->minor] = NULL;
-	mutex_unlock(&joydev_table_mutex);
-}
-
 /*
  * Mark device non-existent. This disables writes, ioctls and
  * prevents new users from opening the device. Already posted
@@ -773,7 +739,8 @@ static void joydev_cleanup(struct joydev *joydev)
 
 	joydev_mark_dead(joydev);
 	joydev_hangup(joydev);
-	joydev_remove_chrdev(joydev);
+
+	cdev_del(&joydev->cdev);
 
 	/* joydev is marked dead so no one else accesses joydev->open */
 	if (joydev->open)
@@ -798,30 +765,33 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
 			  const struct input_device_id *id)
 {
 	struct joydev *joydev;
-	int i, j, t, minor;
+	int i, j, t, minor, dev_no;
 	int error;
 
-	for (minor = 0; minor < JOYDEV_MINORS; minor++)
-		if (!joydev_table[minor])
-			break;
-
-	if (minor == JOYDEV_MINORS) {
-		pr_err("no more free joydev devices\n");
-		return -ENFILE;
+	minor = input_get_new_minor(JOYDEV_MINOR_BASE, JOYDEV_MINORS, true);
+	if (minor < 0) {
+		error = minor;
+		pr_err("failed to reserve new minor: %d\n", error);
+		return error;
 	}
 
 	joydev = kzalloc(sizeof(struct joydev), GFP_KERNEL);
-	if (!joydev)
-		return -ENOMEM;
+	if (!joydev) {
+		error = -ENOMEM;
+		goto err_free_minor;
+	}
 
 	INIT_LIST_HEAD(&joydev->client_list);
 	spin_lock_init(&joydev->client_lock);
 	mutex_init(&joydev->mutex);
 	init_waitqueue_head(&joydev->wait);
-
-	dev_set_name(&joydev->dev, "js%d", minor);
 	joydev->exist = true;
-	joydev->minor = minor;
+
+	dev_no = minor;
+	/* Normalize device number if it falls into legacy range */
+	if (dev_no < JOYDEV_MINOR_BASE + JOYDEV_MINORS)
+		dev_no -= JOYDEV_MINOR_BASE;
+	dev_set_name(&joydev->dev, "js%d", dev_no);
 
 	joydev->handle.dev = input_get_device(dev);
 	joydev->handle.name = dev_name(&joydev->dev);
@@ -875,7 +845,7 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
 		}
 	}
 
-	joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
+	joydev->dev.devt = MKDEV(INPUT_MAJOR, minor);
 	joydev->dev.class = &input_class;
 	joydev->dev.parent = &dev->dev;
 	joydev->dev.release = joydev_free;
@@ -885,7 +855,9 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
 	if (error)
 		goto err_free_joydev;
 
-	error = joydev_install_chrdev(joydev);
+	cdev_init(&joydev->cdev, &joydev_fops);
+	joydev->cdev.kobj.parent = &joydev->dev.kobj;
+	error = cdev_add(&joydev->cdev, joydev->dev.devt, 1);
 	if (error)
 		goto err_unregister_handle;
 
@@ -901,6 +873,8 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
 	input_unregister_handle(&joydev->handle);
  err_free_joydev:
 	put_device(&joydev->dev);
+ err_free_minor:
+	input_free_minor(minor);
 	return error;
 }
 
@@ -910,6 +884,7 @@ static void joydev_disconnect(struct input_handle *handle)
 
 	device_del(&joydev->dev);
 	joydev_cleanup(joydev);
+	input_free_minor(MINOR(joydev->dev.devt));
 	input_unregister_handle(handle);
 	put_device(&joydev->dev);
 }
@@ -961,7 +936,7 @@ static struct input_handler joydev_handler = {
 	.match		= joydev_match,
 	.connect	= joydev_connect,
 	.disconnect	= joydev_disconnect,
-	.fops		= &joydev_fops,
+	.legacy_minors	= true,
 	.minor		= JOYDEV_MINOR_BASE,
 	.name		= "joydev",
 	.id_table	= joydev_ids,
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index b4b65af8612..de0874054e9 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -335,6 +335,7 @@ config KEYBOARD_LOCOMO
 config KEYBOARD_LPC32XX
 	tristate "LPC32XX matrix key scanner support"
 	depends on ARCH_LPC32XX && OF
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use NXP LPC32XX SoC key scanner interface,
 	  connected to a key matrix.
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 803ff6fe021..cad9d5dd597 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -368,6 +368,9 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
 	unsigned int mask = 0, direct_key_num = 0;
 	unsigned long kpc = 0;
 
+	/* clear pending interrupt bit */
+	keypad_readl(KPC);
+
 	/* enable matrix keys with automatic scan */
 	if (pdata->matrix_key_rows && pdata->matrix_key_cols) {
 		kpc |= KPC_ASACT | KPC_MIE | KPC_ME | KPC_MS_ALL;
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index 277e26dc910..9d7a111486f 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -431,6 +431,12 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
 		goto err_unmap_base;
 	}
 
+	error = clk_prepare(keypad->clk);
+	if (error) {
+		dev_err(&pdev->dev, "keypad clock prepare failed\n");
+		goto err_put_clk;
+	}
+
 	keypad->input_dev = input_dev;
 	keypad->pdev = pdev;
 	keypad->row_shift = row_shift;
@@ -461,7 +467,7 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
 					   keypad->keycodes, input_dev);
 	if (error) {
 		dev_err(&pdev->dev, "failed to build keymap\n");
-		goto err_put_clk;
+		goto err_unprepare_clk;
 	}
 
 	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
@@ -503,6 +509,8 @@ err_free_irq:
 	pm_runtime_disable(&pdev->dev);
 	device_init_wakeup(&pdev->dev, 0);
 	platform_set_drvdata(pdev, NULL);
+err_unprepare_clk:
+	clk_unprepare(keypad->clk);
 err_put_clk:
 	clk_put(keypad->clk);
 	samsung_keypad_dt_gpio_free(keypad);
@@ -531,6 +539,7 @@ static int __devexit samsung_keypad_remove(struct platform_device *pdev)
 	 */
 	free_irq(keypad->irq, keypad);
 
+	clk_unprepare(keypad->clk);
 	clk_put(keypad->clk);
 	samsung_keypad_dt_gpio_free(keypad);
 
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index 02ca8680ea5..6f7d9901303 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -311,7 +311,6 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
 	case XenbusStateReconfiguring:
 	case XenbusStateReconfigured:
 	case XenbusStateUnknown:
-	case XenbusStateClosed:
 		break;
 
 	case XenbusStateInitWait:
@@ -350,6 +349,10 @@ InitWait:
 
 		break;
 
+	case XenbusStateClosed:
+		if (dev->state == XenbusStateClosed)
+			break;
+		/* Missed the backend's CLOSING state -- fallthrough */
 	case XenbusStateClosing:
 		xenbus_frontend_closed(dev);
 		break;
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 3a78f235fa3..2baff1b79a5 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -84,6 +84,10 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI	0x0262
 #define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO	0x0263
 #define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS	0x0264
+/* MacbookPro10,2 (unibody, October 2012) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI	0x0259
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO	0x025a
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS	0x025b
 
 #define BCM5974_DEVICE(prod) {					\
 	.match_flags = (USB_DEVICE_ID_MATCH_DEVICE |		\
@@ -137,6 +141,10 @@ static const struct usb_device_id bcm5974_table[] = {
 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI),
 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO),
 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
+	/* MacbookPro10,2 */
+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
 	/* Terminating entry */
 	{}
 };
@@ -379,6 +387,19 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		{ SN_COORD, -150, 6730 },
 		{ SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
 	},
+	{
+		USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI,
+		USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO,
+		USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS,
+		HAS_INTEGRATED_BUTTON,
+		0x84, sizeof(struct bt_data),
+		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		{ SN_PRESSURE, 0, 300 },
+		{ SN_WIDTH, 0, 2048 },
+		{ SN_COORD, -4750, 5280 },
+		{ SN_COORD, -150, 6730 },
+		{ SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+	},
 	{}
 };
 
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 964e43d81e2..8f02e3d0e71 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -24,10 +24,8 @@
 #include <linux/random.h>
 #include <linux/major.h>
 #include <linux/device.h>
+#include <linux/cdev.h>
 #include <linux/kernel.h>
-#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
-#include <linux/miscdevice.h>
-#endif
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Mouse (ExplorerPS/2) device interfaces");
@@ -61,17 +59,18 @@ struct mousedev_hw_data {
 
 struct mousedev {
 	int open;
-	int minor;
 	struct input_handle handle;
 	wait_queue_head_t wait;
 	struct list_head client_list;
 	spinlock_t client_lock; /* protects client_list */
 	struct mutex mutex;
 	struct device dev;
+	struct cdev cdev;
 	bool exist;
+	bool is_mixdev;
 
 	struct list_head mixdev_node;
-	int mixdev_open;
+	bool opened_by_mixdev;
 
 	struct mousedev_hw_data packet;
 	unsigned int pkt_count;
@@ -114,10 +113,6 @@ struct mousedev_client {
 static unsigned char mousedev_imps_seq[] = { 0xf3, 200, 0xf3, 100, 0xf3, 80 };
 static unsigned char mousedev_imex_seq[] = { 0xf3, 200, 0xf3, 200, 0xf3, 80 };
 
-static struct input_handler mousedev_handler;
-
-static struct mousedev *mousedev_table[MOUSEDEV_MINORS];
-static DEFINE_MUTEX(mousedev_table_mutex);
 static struct mousedev *mousedev_mix;
 static LIST_HEAD(mousedev_mix_list);
 
@@ -433,7 +428,7 @@ static int mousedev_open_device(struct mousedev *mousedev)
 	if (retval)
 		return retval;
 
-	if (mousedev->minor == MOUSEDEV_MIX)
+	if (mousedev->is_mixdev)
 		mixdev_open_devices();
 	else if (!mousedev->exist)
 		retval = -ENODEV;
@@ -451,7 +446,7 @@ static void mousedev_close_device(struct mousedev *mousedev)
 {
 	mutex_lock(&mousedev->mutex);
 
-	if (mousedev->minor == MOUSEDEV_MIX)
+	if (mousedev->is_mixdev)
 		mixdev_close_devices();
 	else if (mousedev->exist && !--mousedev->open)
 		input_close_device(&mousedev->handle);
@@ -472,11 +467,11 @@ static void mixdev_open_devices(void)
 		return;
 
 	list_for_each_entry(mousedev, &mousedev_mix_list, mixdev_node) {
-		if (!mousedev->mixdev_open) {
+		if (!mousedev->opened_by_mixdev) {
 			if (mousedev_open_device(mousedev))
 				continue;
 
-			mousedev->mixdev_open = 1;
+			mousedev->opened_by_mixdev = true;
 		}
 	}
 }
@@ -494,8 +489,8 @@ static void mixdev_close_devices(void)
 		return;
 
 	list_for_each_entry(mousedev, &mousedev_mix_list, mixdev_node) {
-		if (mousedev->mixdev_open) {
-			mousedev->mixdev_open = 0;
+		if (mousedev->opened_by_mixdev) {
+			mousedev->opened_by_mixdev = false;
 			mousedev_close_device(mousedev);
 		}
 	}
@@ -528,7 +523,6 @@ static int mousedev_release(struct inode *inode, struct file *file)
 	kfree(client);
 
 	mousedev_close_device(mousedev);
-	put_device(&mousedev->dev);
 
 	return 0;
 }
@@ -538,35 +532,17 @@ static int mousedev_open(struct inode *inode, struct file *file)
 	struct mousedev_client *client;
 	struct mousedev *mousedev;
 	int error;
-	int i;
 
 #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
 	if (imajor(inode) == MISC_MAJOR)
-		i = MOUSEDEV_MIX;
+		mousedev = mousedev_mix;
 	else
 #endif
-		i = iminor(inode) - MOUSEDEV_MINOR_BASE;
-
-	if (i >= MOUSEDEV_MINORS)
-		return -ENODEV;
-
-	error = mutex_lock_interruptible(&mousedev_table_mutex);
-	if (error)
-		return error;
-
-	mousedev = mousedev_table[i];
-	if (mousedev)
-		get_device(&mousedev->dev);
-	mutex_unlock(&mousedev_table_mutex);
-
-	if (!mousedev)
-		return -ENODEV;
+		mousedev = container_of(inode->i_cdev, struct mousedev, cdev);
 
 	client = kzalloc(sizeof(struct mousedev_client), GFP_KERNEL);
-	if (!client) {
-		error = -ENOMEM;
-		goto err_put_mousedev;
-	}
+	if (!client)
+		return -ENOMEM;
 
 	spin_lock_init(&client->packet_lock);
 	client->pos_x = xres / 2;
@@ -579,13 +555,13 @@ static int mousedev_open(struct inode *inode, struct file *file)
 		goto err_free_client;
 
 	file->private_data = client;
+	nonseekable_open(inode, file);
+
 	return 0;
 
  err_free_client:
 	mousedev_detach_client(mousedev, client);
 	kfree(client);
- err_put_mousedev:
-	put_device(&mousedev->dev);
 	return error;
 }
 
@@ -785,29 +761,16 @@ static unsigned int mousedev_poll(struct file *file, poll_table *wait)
 }
 
 static const struct file_operations mousedev_fops = {
-	.owner =	THIS_MODULE,
-	.read =		mousedev_read,
-	.write =	mousedev_write,
-	.poll =		mousedev_poll,
-	.open =		mousedev_open,
-	.release =	mousedev_release,
-	.fasync =	mousedev_fasync,
-	.llseek = noop_llseek,
+	.owner		= THIS_MODULE,
+	.read		= mousedev_read,
+	.write		= mousedev_write,
+	.poll		= mousedev_poll,
+	.open		= mousedev_open,
+	.release	= mousedev_release,
+	.fasync		= mousedev_fasync,
+	.llseek		= noop_llseek,
 };
 
-static int mousedev_install_chrdev(struct mousedev *mousedev)
-{
-	mousedev_table[mousedev->minor] = mousedev;
-	return 0;
-}
-
-static void mousedev_remove_chrdev(struct mousedev *mousedev)
-{
-	mutex_lock(&mousedev_table_mutex);
-	mousedev_table[mousedev->minor] = NULL;
-	mutex_unlock(&mousedev_table_mutex);
-}
-
 /*
  * Mark device non-existent. This disables writes, ioctls and
  * prevents new users from opening the device. Already posted
@@ -842,24 +805,50 @@ static void mousedev_cleanup(struct mousedev *mousedev)
 
 	mousedev_mark_dead(mousedev);
 	mousedev_hangup(mousedev);
-	mousedev_remove_chrdev(mousedev);
+
+	cdev_del(&mousedev->cdev);
 
 	/* mousedev is marked dead so no one else accesses mousedev->open */
 	if (mousedev->open)
 		input_close_device(handle);
 }
 
+static int mousedev_reserve_minor(bool mixdev)
+{
+	int minor;
+
+	if (mixdev) {
+		minor = input_get_new_minor(MOUSEDEV_MIX, 1, false);
+		if (minor < 0)
+			pr_err("failed to reserve mixdev minor: %d\n", minor);
+	} else {
+		minor = input_get_new_minor(MOUSEDEV_MINOR_BASE,
+					    MOUSEDEV_MINORS, true);
+		if (minor < 0)
+			pr_err("failed to reserve new minor: %d\n", minor);
+	}
+
+	return minor;
+}
+
 static struct mousedev *mousedev_create(struct input_dev *dev,
 					struct input_handler *handler,
-					int minor)
+					bool mixdev)
 {
 	struct mousedev *mousedev;
+	int minor;
 	int error;
 
+	minor = mousedev_reserve_minor(mixdev);
+	if (minor < 0) {
+		error = minor;
+		goto err_out;
+	}
+
 	mousedev = kzalloc(sizeof(struct mousedev), GFP_KERNEL);
 	if (!mousedev) {
 		error = -ENOMEM;
-		goto err_out;
+		goto err_free_minor;
 	}
 
 	INIT_LIST_HEAD(&mousedev->client_list);
@@ -867,16 +856,21 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
 	spin_lock_init(&mousedev->client_lock);
 	mutex_init(&mousedev->mutex);
 	lockdep_set_subclass(&mousedev->mutex,
-			     minor == MOUSEDEV_MIX ? SINGLE_DEPTH_NESTING : 0);
+			     mixdev ? SINGLE_DEPTH_NESTING : 0);
 	init_waitqueue_head(&mousedev->wait);
 
-	if (minor == MOUSEDEV_MIX)
+	if (mixdev) {
 		dev_set_name(&mousedev->dev, "mice");
-	else
-		dev_set_name(&mousedev->dev, "mouse%d", minor);
+	} else {
+		int dev_no = minor;
+		/* Normalize device number if it falls into legacy range */
+		if (dev_no < MOUSEDEV_MINOR_BASE + MOUSEDEV_MINORS)
+			dev_no -= MOUSEDEV_MINOR_BASE;
+		dev_set_name(&mousedev->dev, "mouse%d", dev_no);
+	}
 
-	mousedev->minor = minor;
 	mousedev->exist = true;
+	mousedev->is_mixdev = mixdev;
 	mousedev->handle.dev = input_get_device(dev);
 	mousedev->handle.name = dev_name(&mousedev->dev);
 	mousedev->handle.handler = handler;
@@ -885,17 +879,19 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
 	mousedev->dev.class = &input_class;
 	if (dev)
 		mousedev->dev.parent = &dev->dev;
-	mousedev->dev.devt = MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor);
+	mousedev->dev.devt = MKDEV(INPUT_MAJOR, minor);
 	mousedev->dev.release = mousedev_free;
 	device_initialize(&mousedev->dev);
 
-	if (minor != MOUSEDEV_MIX) {
+	if (!mixdev) {
 		error = input_register_handle(&mousedev->handle);
 		if (error)
 			goto err_free_mousedev;
 	}
 
-	error = mousedev_install_chrdev(mousedev);
+	cdev_init(&mousedev->cdev, &mousedev_fops);
+	mousedev->cdev.kobj.parent = &mousedev->dev.kobj;
+	error = cdev_add(&mousedev->cdev, mousedev->dev.devt, 1);
 	if (error)
 		goto err_unregister_handle;
 
@@ -908,10 +904,12 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
  err_cleanup_mousedev:
 	mousedev_cleanup(mousedev);
  err_unregister_handle:
-	if (minor != MOUSEDEV_MIX)
+	if (!mixdev)
 		input_unregister_handle(&mousedev->handle);
  err_free_mousedev:
 	put_device(&mousedev->dev);
+ err_free_minor:
+	input_free_minor(minor);
  err_out:
 	return ERR_PTR(error);
 }
@@ -920,7 +918,8 @@ static void mousedev_destroy(struct mousedev *mousedev)
 {
 	device_del(&mousedev->dev);
 	mousedev_cleanup(mousedev);
-	if (mousedev->minor != MOUSEDEV_MIX)
+	input_free_minor(MINOR(mousedev->dev.devt));
+	if (!mousedev->is_mixdev)
 		input_unregister_handle(&mousedev->handle);
 	put_device(&mousedev->dev);
 }
@@ -938,7 +937,7 @@ static int mixdev_add_device(struct mousedev *mousedev)
 		if (retval)
 			goto out;
 
-		mousedev->mixdev_open = 1;
+		mousedev->opened_by_mixdev = true;
 	}
 
 	get_device(&mousedev->dev);
@@ -953,8 +952,8 @@ static void mixdev_remove_device(struct mousedev *mousedev)
 {
 	mutex_lock(&mousedev_mix->mutex);
 
-	if (mousedev->mixdev_open) {
-		mousedev->mixdev_open = 0;
+	if (mousedev->opened_by_mixdev) {
+		mousedev->opened_by_mixdev = false;
 		mousedev_close_device(mousedev);
 	}
 
@@ -969,19 +968,9 @@ static int mousedev_connect(struct input_handler *handler,
 			    const struct input_device_id *id)
 {
 	struct mousedev *mousedev;
-	int minor;
 	int error;
 
-	for (minor = 0; minor < MOUSEDEV_MINORS; minor++)
-		if (!mousedev_table[minor])
-			break;
-
-	if (minor == MOUSEDEV_MINORS) {
-		pr_err("no more free mousedev devices\n");
-		return -ENFILE;
-	}
-
-	mousedev = mousedev_create(dev, handler, minor);
+	mousedev = mousedev_create(dev, handler, false);
 	if (IS_ERR(mousedev))
 		return PTR_ERR(mousedev);
 
@@ -1054,27 +1043,53 @@ static const struct input_device_id mousedev_ids[] = {
 MODULE_DEVICE_TABLE(input, mousedev_ids);
 
 static struct input_handler mousedev_handler = {
-	.event =	mousedev_event,
-	.connect =	mousedev_connect,
-	.disconnect =	mousedev_disconnect,
-	.fops =		&mousedev_fops,
-	.minor =	MOUSEDEV_MINOR_BASE,
-	.name =		"mousedev",
-	.id_table =	mousedev_ids,
+	.event		= mousedev_event,
+	.connect	= mousedev_connect,
+	.disconnect	= mousedev_disconnect,
+	.legacy_minors	= true,
+	.minor		= MOUSEDEV_MINOR_BASE,
+	.name		= "mousedev",
+	.id_table	= mousedev_ids,
 };
 
 #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
+#include <linux/miscdevice.h>
+
 static struct miscdevice psaux_mouse = {
-	PSMOUSE_MINOR, "psaux", &mousedev_fops
+	.minor	= PSMOUSE_MINOR,
+	.name	= "psaux",
+	.fops	= &mousedev_fops,
 };
-static int psaux_registered;
+
+static bool psaux_registered;
+
+static void __init mousedev_psaux_register(void)
+{
+	int error;
+
+	error = misc_register(&psaux_mouse);
+	if (error)
+		pr_warn("could not register psaux device, error: %d\n",
+			   error);
+	else
+		psaux_registered = true;
+}
+
+static void __exit mousedev_psaux_unregister(void)
+{
+	if (psaux_registered)
+		misc_deregister(&psaux_mouse);
+}
+#else
+static inline void mousedev_psaux_register(void) { }
+static inline void mousedev_psaux_unregister(void) { }
 #endif
 
 static int __init mousedev_init(void)
 {
 	int error;
 
-	mousedev_mix = mousedev_create(NULL, &mousedev_handler, MOUSEDEV_MIX);
+	mousedev_mix = mousedev_create(NULL, &mousedev_handler, true);
 	if (IS_ERR(mousedev_mix))
 		return PTR_ERR(mousedev_mix);
 
@@ -1084,14 +1099,7 @@ static int __init mousedev_init(void)
 		return error;
 	}
 
-#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
-	error = misc_register(&psaux_mouse);
-	if (error)
-		pr_warn("could not register psaux device, error: %d\n",
-			   error);
-	else
-		psaux_registered = 1;
-#endif
+	mousedev_psaux_register();
 
 	pr_info("PS/2 mouse device common for all mice\n");
 
@@ -1100,10 +1108,7 @@ static int __init mousedev_init(void)
 
 static void __exit mousedev_exit(void)
 {
-#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
-	if (psaux_registered)
-		misc_deregister(&psaux_mouse);
-#endif
+	mousedev_psaux_unregister();
 	input_unregister_handler(&mousedev_handler);
 	mousedev_destroy(mousedev_mix);
 }
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 0d3219f2974..858ad446de9 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -172,6 +172,76 @@ static void wacom_close(struct input_dev *dev)
 }
 
 /*
+ * Calculate the resolution of the X or Y axis, given appropriate HID data.
+ * This function is little more than hidinput_calc_abs_res stripped down.
+ */
+static int wacom_calc_hid_res(int logical_extents, int physical_extents,
+                              unsigned char unit, unsigned char exponent)
+{
+	int prev, unit_exponent;
+
+	/* Check if the extents are sane */
+	if (logical_extents <= 0 || physical_extents <= 0)
+		return 0;
+
+	/* Get signed value of nybble-sized twos-compliment exponent */
+	unit_exponent = exponent;
+	if (unit_exponent > 7)
+		unit_exponent -= 16;
+
+	/* Convert physical_extents to millimeters */
+	if (unit == 0x11) {		/* If centimeters */
+		unit_exponent += 1;
+	} else if (unit == 0x13) {	/* If inches */
+		prev = physical_extents;
+		physical_extents *= 254;
+		if (physical_extents < prev)
+			return 0;
+		unit_exponent -= 1;
+	} else {
+		return 0;
+	}
+
+	/* Apply negative unit exponent */
+	for (; unit_exponent < 0; unit_exponent++) {
+		prev = logical_extents;
+		logical_extents *= 10;
+		if (logical_extents < prev)
+			return 0;
+	}
+	/* Apply positive unit exponent */
+	for (; unit_exponent > 0; unit_exponent--) {
+		prev = physical_extents;
+		physical_extents *= 10;
+		if (physical_extents < prev)
+			return 0;
+	}
+
+	/* Calculate resolution */
+	return logical_extents / physical_extents;
+}
+
+/*
+ * The physical dimension specified by the HID descriptor is likely not in
+ * the "100th of a mm" units expected by wacom_calculate_touch_res. This
+ * function adjusts the value of [xy]_phy based on the unit and exponent
+ * provided by the HID descriptor. If an error occurs durring conversion
+ * (e.g. from the unit being left unspecified) [xy]_phy is not modified.
+ */
+static void wacom_fix_phy_from_hid(struct wacom_features *features)
+{
+	int xres = wacom_calc_hid_res(features->x_max, features->x_phy,
+					features->unit, features->unitExpo);
+	int yres = wacom_calc_hid_res(features->y_max, features->y_phy,
+					features->unit, features->unitExpo);
+
+	if (xres > 0 && yres > 0) {
+		features->x_phy = (100 * features->x_max) / xres;
+		features->y_phy = (100 * features->y_max) / yres;
+	}
+}
+
+/*
  * Static values for max X/Y and resolution of Pen interface is stored in
  * features. This mean physical size of active area can be computed.
  * This is useful to do when Pen and Touch have same active area of tablet.
@@ -321,7 +391,7 @@ static int wacom_parse_hid(struct usb_interface *intf,
 							features->pktlen = WACOM_PKGLEN_TPC2FG;
 						}
 
-						if (features->type == MTSCREEN)
+						if (features->type == MTSCREEN || features->type == WACOM_24HDT)
 							features->pktlen = WACOM_PKGLEN_MTOUCH;
 
 						if (features->type == BAMBOO_PT) {
@@ -332,6 +402,14 @@ static int wacom_parse_hid(struct usb_interface *intf,
 							features->x_max =
 								get_unaligned_le16(&report[i + 8]);
 							i += 15;
+						} else if (features->type == WACOM_24HDT) {
+							features->x_max =
+								get_unaligned_le16(&report[i + 3]);
+							features->x_phy =
+								get_unaligned_le16(&report[i + 8]);
+							features->unit = report[i - 1];
+							features->unitExpo = report[i - 3];
+							i += 12;
 						} else {
 							features->x_max =
 								get_unaligned_le16(&report[i + 3]);
@@ -364,6 +442,12 @@ static int wacom_parse_hid(struct usb_interface *intf,
 							features->y_phy =
 								get_unaligned_le16(&report[i + 6]);
 							i += 7;
+						} else if (type == WACOM_24HDT) {
+							features->y_max =
+								get_unaligned_le16(&report[i + 3]);
+							features->y_phy =
+								get_unaligned_le16(&report[i - 2]);
+							i += 7;
 						} else if (type == BAMBOO_PT) {
 							features->y_phy =
 								get_unaligned_le16(&report[i + 3]);
@@ -432,56 +516,55 @@ static int wacom_parse_hid(struct usb_interface *intf,
 	return result;
 }
 
-static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_features *features)
+static int wacom_set_device_mode(struct usb_interface *intf, int report_id, int length, int mode)
 {
 	unsigned char *rep_data;
-	int limit = 0, report_id = 2;
-	int error = -ENOMEM;
+	int error = -ENOMEM, limit = 0;
 
-	rep_data = kmalloc(4, GFP_KERNEL);
+	rep_data = kzalloc(length, GFP_KERNEL);
 	if (!rep_data)
 		return error;
 
-	/* ask to report Wacom data */
+	rep_data[0] = report_id;
+	rep_data[1] = mode;
+
+	do {
+		error = wacom_set_report(intf, WAC_HID_FEATURE_REPORT,
+		                         report_id, rep_data, length, 1);
+		if (error >= 0)
+			error = wacom_get_report(intf, WAC_HID_FEATURE_REPORT,
+			                         report_id, rep_data, length, 1);
+	} while ((error < 0 || rep_data[1] != mode) && limit++ < WAC_MSG_RETRIES);
+
+	kfree(rep_data);
+
+	return error < 0 ? error : 0;
+}
+
+/*
+ * Switch the tablet into its most-capable mode. Wacom tablets are
+ * typically configured to power-up in a mode which sends mouse-like
+ * reports to the OS. To get absolute position, pressure data, etc.
+ * from the tablet, it is necessary to switch the tablet out of this
+ * mode and into one which sends the full range of tablet data.
+ */
+static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_features *features)
+{
 	if (features->device_type == BTN_TOOL_FINGER) {
-		/* if it is an MT Tablet PC touch */
 		if (features->type > TABLETPC) {
-			do {
-				rep_data[0] = 3;
-				rep_data[1] = 4;
-				rep_data[2] = 0;
-				rep_data[3] = 0;
-				report_id = 3;
-				error = wacom_set_report(intf,
-							 WAC_HID_FEATURE_REPORT,
-							 report_id,
-							 rep_data, 4, 1);
-				if (error >= 0)
-					error = wacom_get_report(intf,
-							WAC_HID_FEATURE_REPORT,
-							report_id,
-							rep_data, 4, 1);
-			} while ((error < 0 || rep_data[1] != 4) &&
-				 limit++ < WAC_MSG_RETRIES);
+			/* MT Tablet PC touch */
+			return wacom_set_device_mode(intf, 3, 4, 4);
+		}
+		else if (features->type == WACOM_24HDT) {
+			return wacom_set_device_mode(intf, 18, 3, 2);
+		}
+	} else if (features->device_type == BTN_TOOL_PEN) {
+		if (features->type <= BAMBOO_PT && features->type != WIRELESS) {
+			return wacom_set_device_mode(intf, 2, 2, 2);
 		}
-	} else if (features->type <= BAMBOO_PT &&
-		   features->type != WIRELESS &&
-		   features->device_type == BTN_TOOL_PEN) {
-		do {
-			rep_data[0] = 2;
-			rep_data[1] = 2;
-			error = wacom_set_report(intf, WAC_HID_FEATURE_REPORT,
-						 report_id, rep_data, 2, 1);
-			if (error >= 0)
-				error = wacom_get_report(intf,
-						WAC_HID_FEATURE_REPORT,
-						report_id, rep_data, 2, 1);
-		} while ((error < 0 || rep_data[1] != 2) && limit++ < WAC_MSG_RETRIES);
 	}
 
-	kfree(rep_data);
-
-	return error < 0 ? error : 0;
+	return 0;
 }
 
 static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
@@ -531,6 +614,7 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
 	error = wacom_parse_hid(intf, hid_desc, features);
 	if (error)
 		goto out;
+	wacom_fix_phy_from_hid(features);
 
  out:
 	return error;
@@ -546,6 +630,30 @@ struct wacom_usbdev_data {
 static LIST_HEAD(wacom_udev_list);
 static DEFINE_MUTEX(wacom_udev_list_lock);
 
+static struct usb_device *wacom_get_sibling(struct usb_device *dev, int vendor, int product)
+{
+	int port1;
+	struct usb_device *sibling;
+
+	if (vendor == 0 && product == 0)
+		return dev;
+
+	if (dev->parent == NULL)
+		return NULL;
+
+	usb_hub_for_each_child(dev->parent, port1, sibling) {
+		struct usb_device_descriptor *d;
+		if (sibling == NULL)
+			continue;
+
+		d = &sibling->descriptor;
+		if (d->idVendor == vendor && d->idProduct == product)
+			return sibling;
+	}
+
+	return NULL;
+}
+
 static struct wacom_usbdev_data *wacom_get_usbdev_data(struct usb_device *dev)
 {
 	struct wacom_usbdev_data *data;
@@ -1190,13 +1298,19 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	strlcpy(wacom_wac->name, features->name, sizeof(wacom_wac->name));
 
 	if (features->quirks & WACOM_QUIRK_MULTI_INPUT) {
+		struct usb_device *other_dev;
+
 		/* Append the device type to the name */
 		strlcat(wacom_wac->name,
 			features->device_type == BTN_TOOL_PEN ?
 				" Pen" : " Finger",
 			sizeof(wacom_wac->name));
 
-		error = wacom_add_shared_data(wacom_wac, dev);
+
+		other_dev = wacom_get_sibling(dev, features->oVid, features->oPid);
+		if (other_dev == NULL || wacom_get_usbdev_data(other_dev) == NULL)
+			other_dev = dev;
+		error = wacom_add_shared_data(wacom_wac, other_dev);
 		if (error)
 			goto fail3;
 	}
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 08b462b6c0d..0a67031ffc1 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -25,6 +25,11 @@
 #define WACOM_INTUOS_RES	100
 #define WACOM_INTUOS3_RES	200
 
+/* Scale factor relating reported contact size to logical contact area.
+ * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
+ */
+#define WACOM_CONTACT_AREA_SCALE 2607
+
 static int wacom_penpartner_irq(struct wacom_wac *wacom)
 {
 	unsigned char *data = wacom->data;
@@ -326,7 +331,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
 
 	/* Enter report */
 	if ((data[1] & 0xfc) == 0xc0) {
-		if (features->type >= INTUOS5S && features->type <= INTUOS5L)
+		if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
 			wacom->shared->stylus_in_proximity = true;
 
 		/* serial number of the tool */
@@ -414,7 +419,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
 
 	/* Exit report */
 	if ((data[1] & 0xfe) == 0x80) {
-		if (features->type >= INTUOS5S && features->type <= INTUOS5L)
+		if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
 			wacom->shared->stylus_in_proximity = false;
 
 		/*
@@ -801,6 +806,70 @@ static int find_slot_from_contactid(struct wacom_wac *wacom, int contactid)
 	return -1;
 }
 
+static int int_dist(int x1, int y1, int x2, int y2)
+{
+	int x = x2 - x1;
+	int y = y2 - y1;
+
+	return int_sqrt(x*x + y*y);
+}
+
+static int wacom_24hdt_irq(struct wacom_wac *wacom)
+{
+	struct input_dev *input = wacom->input;
+	char *data = wacom->data;
+	int i;
+	int current_num_contacts = data[61];
+	int contacts_to_send = 0;
+
+	/*
+	 * First packet resets the counter since only the first
+	 * packet in series will have non-zero current_num_contacts.
+	 */
+	if (current_num_contacts)
+		wacom->num_contacts_left = current_num_contacts;
+
+	/* There are at most 4 contacts per packet */
+	contacts_to_send = min(4, wacom->num_contacts_left);
+
+	for (i = 0; i < contacts_to_send; i++) {
+		int offset = (WACOM_BYTES_PER_24HDT_PACKET * i) + 1;
+		bool touch = data[offset] & 0x1 && !wacom->shared->stylus_in_proximity;
+		int id = data[offset + 1];
+		int slot = find_slot_from_contactid(wacom, id);
+
+		if (slot < 0)
+			continue;
+		input_mt_slot(input, slot);
+		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
+
+		if (touch) {
+			int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
+			int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
+			int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
+			int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
+			int w = le16_to_cpup((__le16 *)&data[offset + 10]);
+			int h = le16_to_cpup((__le16 *)&data[offset + 12]);
+
+			input_report_abs(input, ABS_MT_POSITION_X, t_x);
+			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
+			input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
+			input_report_abs(input, ABS_MT_WIDTH_MAJOR, min(w, h) + int_dist(t_x, t_y, c_x, c_y));
+			input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
+			input_report_abs(input, ABS_MT_ORIENTATION, w > h);
+		}
+		wacom->slots[slot] = touch ? id : -1;
+	}
+
+	input_mt_report_pointer_emulation(input, true);
+
+	wacom->num_contacts_left -= contacts_to_send;
+	if (wacom->num_contacts_left <= 0)
+		wacom->num_contacts_left = 0;
+
+	return 1;
+}
+
 static int wacom_mt_touch(struct wacom_wac *wacom)
 {
 	struct input_dev *input = wacom->input;
@@ -1043,11 +1112,19 @@ static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
 	if (touch) {
 		int x = (data[2] << 4) | (data[4] >> 4);
 		int y = (data[3] << 4) | (data[4] & 0x0f);
-		int w = data[6];
+		int a = data[5];
+
+		// "a" is a scaled-down area which we assume is roughly
+		// circular and which can be described as: a=(pi*r^2)/C.
+		int x_res  = input_abs_get_res(input, ABS_X);
+		int y_res  = input_abs_get_res(input, ABS_Y);
+		int width  = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
+		int height = width * y_res / x_res;
 
 		input_report_abs(input, ABS_MT_POSITION_X, x);
 		input_report_abs(input, ABS_MT_POSITION_Y, y);
-		input_report_abs(input, ABS_MT_TOUCH_MAJOR, w);
+		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
+		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
 	}
 }
 
@@ -1242,6 +1319,10 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
 		sync = wacom_intuos_irq(wacom_wac);
 		break;
 
+	case WACOM_24HDT:
+		sync = wacom_24hdt_irq(wacom_wac);
+		break;
+
 	case INTUOS5S:
 	case INTUOS5:
 	case INTUOS5L:
@@ -1327,7 +1408,8 @@ void wacom_setup_device_quirks(struct wacom_features *features)
 
 	/* these device have multiple inputs */
 	if (features->type >= WIRELESS ||
-	    (features->type >= INTUOS5S && features->type <= INTUOS5L))
+	    (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
+	    (features->oVid && features->oPid))
 		features->quirks |= WACOM_QUIRK_MULTI_INPUT;
 
 	/* quirk for bamboo touch with 2 low res touches */
@@ -1436,6 +1518,9 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 
 		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
 		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
+
+		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
+
 		wacom_setup_cintiq(wacom_wac);
 		break;
 
@@ -1533,7 +1618,9 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 			input_mt_init_slots(input_dev, features->touch_max, 0);
 
 			input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
-			                     0, 255, 0, 0);
+			                     0, features->x_max, 0, 0);
+			input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
+			                     0, features->y_max, 0, 0);
 
 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
 					     0, features->x_max,
@@ -1560,6 +1647,15 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
 		break;
 
+	case WACOM_24HDT:
+		if (features->device_type == BTN_TOOL_FINGER) {
+			input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
+			input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
+			input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
+			input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
+		}
+		/* fall through */
+
 	case MTSCREEN:
 		if (features->device_type == BTN_TOOL_FINGER) {
 			wacom_wac->slots = kmalloc(features->touch_max *
@@ -1641,7 +1737,10 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 
 				input_set_abs_params(input_dev,
 						     ABS_MT_TOUCH_MAJOR,
-						     0, 255, 0, 0);
+						     0, features->x_max, 0, 0);
+				input_set_abs_params(input_dev,
+						     ABS_MT_TOUCH_MINOR,
+						     0, features->y_max, 0, 0);
 			}
 
 			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
@@ -1851,8 +1950,11 @@ static const struct wacom_features wacom_features_0xF4 =
 	{ "Wacom Cintiq 24HD",       WACOM_PKGLEN_INTUOS,   104480, 65600, 2047,
 	  63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
 static const struct wacom_features wacom_features_0xF8 =
-	{ "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS,   104480, 65600, 2047,
-	  63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
+	{ "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS,   104480, 65600, 2047, /* Pen */
+	  63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
+static const struct wacom_features wacom_features_0xF6 =
+	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
+	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 };
 static const struct wacom_features wacom_features_0x3F =
 	{ "Wacom Cintiq 21UX",    WACOM_PKGLEN_INTUOS,    87200, 65600, 1023,
 	  63, CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
@@ -2095,6 +2197,7 @@ const struct usb_device_id wacom_ids[] = {
 	{ USB_DEVICE_WACOM(0x47) },
 	{ USB_DEVICE_WACOM(0xF4) },
 	{ USB_DEVICE_WACOM(0xF8) },
+	{ USB_DEVICE_WACOM(0xF6) },
 	{ USB_DEVICE_WACOM(0xFA) },
 	{ USB_DEVICE_LENOVO(0x6004) },
 	{ }
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 96c185cc301..345f1e76975 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -29,6 +29,7 @@
 
 /* wacom data size per MT contact */
 #define WACOM_BYTES_PER_MT_PACKET	11
+#define WACOM_BYTES_PER_24HDT_PACKET	14
 
 /* device IDs */
 #define STYLUS_DEVICE_ID	0x02
@@ -49,6 +50,7 @@
 #define WACOM_REPORT_TPCHID		15
 #define WACOM_REPORT_TPCST		16
 #define WACOM_REPORT_TPC1FGE		18
+#define WACOM_REPORT_24HDT		1
 
 /* device quirks */
 #define WACOM_QUIRK_MULTI_INPUT		0x0001
@@ -81,6 +83,7 @@ enum {
 	WACOM_MO,
 	WIRELESS,
 	BAMBOO_PT,
+	WACOM_24HDT,
 	TABLETPC,   /* add new TPC below */
 	TABLETPCE,
 	TABLETPC2FG,
@@ -109,6 +112,8 @@ struct wacom_features {
 	int distance_fuzz;
 	unsigned quirks;
 	unsigned touch_max;
+	int oVid;
+	int oPid;
 };
 
 struct wacom_shared {
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 1ba232cbc09..f7668b24c37 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -239,7 +239,7 @@ config TOUCHSCREEN_EETI
 
 config TOUCHSCREEN_EGALAX
 	tristate "EETI eGalax multi-touch panel support"
-	depends on I2C
+	depends on I2C && OF
 	help
 	  Say Y here to enable support for I2C connected EETI
 	  eGalax multi-touch panels.
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index e92615d0b1b..1df2396af00 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -320,10 +320,8 @@ static bool mxt_object_writable(unsigned int type)
 static void mxt_dump_message(struct device *dev,
 			     struct mxt_message *message)
 {
-	dev_dbg(dev, "reportid: %u\tmessage: %02x %02x %02x %02x %02x %02x %02x\n",
-		message->reportid, message->message[0], message->message[1],
-		message->message[2], message->message[3], message->message[4],
-		message->message[5], message->message[6]);
+	dev_dbg(dev, "reportid: %u\tmessage: %*ph\n",
+		message->reportid, 7, message->message);
 }
 
 static int mxt_check_bootloader(struct i2c_client *client,
diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
index c1e3460f119..13fa62fdfb0 100644
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@@ -28,6 +28,7 @@
 #include <linux/slab.h>
 #include <linux/bitops.h>
 #include <linux/input/mt.h>
+#include <linux/of_gpio.h>
 
 /*
  * Mouse Mode: some panel may configure the controller to mouse mode,
@@ -122,9 +123,17 @@ static irqreturn_t egalax_ts_interrupt(int irq, void *dev_id)
 /* wake up controller by an falling edge of interrupt gpio.  */
 static int egalax_wake_up_device(struct i2c_client *client)
 {
-	int gpio = irq_to_gpio(client->irq);
+	struct device_node *np = client->dev.of_node;
+	int gpio;
 	int ret;
 
+	if (!np)
+		return -ENODEV;
+
+	gpio = of_get_named_gpio(np, "wakeup-gpios", 0);
+	if (!gpio_is_valid(gpio))
+		return -ENODEV;
+
 	ret = gpio_request(gpio, "egalax_irq");
 	if (ret < 0) {
 		dev_err(&client->dev,
@@ -181,7 +190,11 @@ static int __devinit egalax_ts_probe(struct i2c_client *client,
 	ts->input_dev = input_dev;
 
 	/* controller may be in sleep, wake it up. */
-	egalax_wake_up_device(client);
+	error = egalax_wake_up_device(client);
+	if (error) {
+		dev_err(&client->dev, "Failed to wake up the controller\n");
+		goto err_free_dev;
+	}
 
 	ret = egalax_firmware_version(client);
 	if (ret < 0) {
@@ -274,11 +287,17 @@ static int egalax_ts_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume);
 
+static struct of_device_id egalax_ts_dt_ids[] = {
+	{ .compatible = "eeti,egalax_ts" },
+	{ /* sentinel */ }
+};
+
 static struct i2c_driver egalax_ts_driver = {
 	.driver = {
 		.name	= "egalax_ts",
 		.owner	= THIS_MODULE,
 		.pm	= &egalax_ts_pm_ops,
+		.of_match_table	= of_match_ptr(egalax_ts_dt_ids),
 	},
 	.id_table	= egalax_ts_id,
 	.probe		= egalax_ts_probe,
diff --git a/drivers/input/touchscreen/tsc40.c b/drivers/input/touchscreen/tsc40.c
index 63209aaa55f..eb96f168fb9 100644
--- a/drivers/input/touchscreen/tsc40.c
+++ b/drivers/input/touchscreen/tsc40.c
@@ -107,7 +107,6 @@ static int tsc_connect(struct serio *serio, struct serio_driver *drv)
 	__set_bit(BTN_TOUCH, input_dev->keybit);
 	input_set_abs_params(ptsc->dev, ABS_X, 0, 0x3ff, 0, 0);
 	input_set_abs_params(ptsc->dev, ABS_Y, 0, 0x3ff, 0, 0);
-	input_set_abs_params(ptsc->dev, ABS_PRESSURE, 0, 0, 0, 0);
 
 	serio_set_drvdata(serio, ptsc);
 
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 18b0d99bd4d..81837b0710a 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1599,21 +1599,46 @@ static void __init free_on_init_error(void)
 #endif
 }
 
+/* SB IOAPIC is always on this device in AMD systems */
+#define IOAPIC_SB_DEVID		((0x00 << 8) | PCI_DEVFN(0x14, 0))
+
 static bool __init check_ioapic_information(void)
 {
+	bool ret, has_sb_ioapic;
 	int idx;
 
-	for (idx = 0; idx < nr_ioapics; idx++) {
-		int id = mpc_ioapic_id(idx);
+	has_sb_ioapic = false;
+	ret           = false;
 
-		if (get_ioapic_devid(id) < 0) {
-			pr_err(FW_BUG "AMD-Vi: IO-APIC[%d] not in IVRS table\n", id);
-			pr_err("AMD-Vi: Disabling interrupt remapping due to BIOS Bug\n");
-			return false;
+	for (idx = 0; idx < nr_ioapics; idx++) {
+		int devid, id = mpc_ioapic_id(idx);
+
+		devid = get_ioapic_devid(id);
+		if (devid < 0) {
+			pr_err(FW_BUG "AMD-Vi: IOAPIC[%d] not in IVRS table\n", id);
+			ret = false;
+		} else if (devid == IOAPIC_SB_DEVID) {
+			has_sb_ioapic = true;
+			ret           = true;
 		}
 	}
 
-	return true;
+	if (!has_sb_ioapic) {
+		/*
+		 * We expect the SB IOAPIC to be listed in the IVRS
+		 * table. The system timer is connected to the SB IOAPIC
+		 * and if we don't have it in the list the system will
+		 * panic at boot time.  This situation usually happens
+		 * when the BIOS is buggy and provides us the wrong
+		 * device id for the IOAPIC in the system.
+		 */
+		pr_err(FW_BUG "AMD-Vi: No southbridge IOAPIC found in IVRS table\n");
+	}
+
+	if (!ret)
+		pr_err("AMD-Vi: Disabling interrupt remapping due to BIOS Bug(s)\n");
+
+	return ret;
 }
 
 static void __init free_dma_resources(void)
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 0b4d62e0c64..a649f146d17 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -200,7 +200,7 @@ enum {
 
 #define SMMU_ADDR_TO_PFN(addr)	((addr) >> 12)
 #define SMMU_ADDR_TO_PDN(addr)	((addr) >> 22)
-#define SMMU_PDN_TO_ADDR(addr)	((pdn) << 22)
+#define SMMU_PDN_TO_ADDR(pdn)	((pdn) << 22)
 
 #define _READABLE	(1 << SMMU_PTB_DATA_ASID_READABLE_SHIFT)
 #define _WRITABLE	(1 << SMMU_PTB_DATA_ASID_WRITABLE_SHIFT)
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 52758870894..c44950d3eb7 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -617,7 +617,13 @@ static void int_in_work(struct work_struct *work)
 	if (rc == 0)
 		/* success, resubmit interrupt read URB */
 		rc = usb_submit_urb(urb, GFP_ATOMIC);
-	if (rc != 0 && rc != -ENODEV) {
+
+	switch (rc) {
+	case 0:		/* success */
+	case -ENODEV:	/* device gone */
+	case -EINVAL:	/* URB already resubmitted, or terminal badness */
+		break;
+	default:	/* failure: try to recover by resetting the device */
 		dev_err(cs->dev, "clear halt failed: %s\n", get_usb_rcmsg(rc));
 		rc = usb_lock_device_for_reset(ucs->udev, ucs->interface);
 		if (rc == 0) {
@@ -2442,7 +2448,9 @@ static void gigaset_disconnect(struct usb_interface *interface)
 }
 
 /* gigaset_suspend
- * This function is called before the USB connection is suspended.
+ * This function is called before the USB connection is suspended
+ * or before the USB device is reset.
+ * In the latter case, message == PMSG_ON.
  */
 static int gigaset_suspend(struct usb_interface *intf, pm_message_t message)
 {
@@ -2498,7 +2506,12 @@ static int gigaset_suspend(struct usb_interface *intf, pm_message_t message)
 	del_timer_sync(&ucs->timer_atrdy);
 	del_timer_sync(&ucs->timer_cmd_in);
 	del_timer_sync(&ucs->timer_int_in);
-	cancel_work_sync(&ucs->int_in_wq);
+
+	/* don't try to cancel int_in_wq from within reset as it
+	 * might be the one requesting the reset
+	 */
+	if (message.event != PM_EVENT_ON)
+		cancel_work_sync(&ucs->int_in_wq);
 
 	gig_dbg(DEBUG_SUSPEND, "suspend complete");
 	return 0;
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index a1e76015082..61d78fa03b1 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -595,7 +595,7 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg)
 			j = ipc->num / (sizeof(long) * 8);
 			i = ipc->num % (sizeof(long) * 8);
 			if (j < 8)
-				protos[j] |= (0x1 << i);
+				protos[j] |= (1UL << i);
 			ipc = ipc->next;
 		}
 		if ((r = set_arg(argp, protos, 8 * sizeof(long))))
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 16578d3b52b..f508defc0d9 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -63,6 +63,17 @@ config LEDS_LM3533
 	  hardware-accelerated blinking with maximum on and off periods of 9.8
 	  and 77 seconds respectively.
 
+config LEDS_LM3642
+	tristate "LED support for LM3642 Chip"
+	depends on LEDS_CLASS && I2C
+	select REGMAP_I2C
+	help
+	  This option enables support for LEDs connected to LM3642.
+	  The LM3642 is a 4MHz fixed-frequency synchronous boost
+	  converter plus 1.5A constant current driver for a high-current
+	  white LED.
+
+
 config LEDS_LOCOMO
 	tristate "LED Support for Locomo device"
 	depends on LEDS_CLASS
@@ -192,11 +203,12 @@ config LEDS_LP5521
 	  programming the engines.
 
 config LEDS_LP5523
-	tristate "LED Support for N.S. LP5523 LED driver chip"
+	tristate "LED Support for TI/National LP5523/55231 LED driver chip"
 	depends on LEDS_CLASS && I2C
 	help
-	  If you say yes here you get support for the National Semiconductor
-	  LP5523 LED driver. It is 9 channel chip with programmable engines.
+	  If you say yes here you get support for TI/National Semiconductor
+	  LP5523/55231 LED driver.
+	  It is 9 channel chip with programmable engines.
 	  Driver provides direct control via LED class and interface for
 	  programming the engines.
 
@@ -422,13 +434,13 @@ config LEDS_MAX8997
 	  This option enables support for on-chip LED drivers on
 	  MAXIM MAX8997 PMIC.
 
-config LEDS_LM3556
-	tristate "LED support for LM3556 Chip"
+config LEDS_LM355x
+	tristate "LED support for LM355x Chips, LM3554 and LM3556"
 	depends on LEDS_CLASS && I2C
 	select REGMAP_I2C
 	help
-	  This option enables support for LEDs connected to LM3556.
-	  LM3556 includes Torch, Flash and Indicator functions.
+	  This option enables support for LEDs connected to LM355x.
+	  LM355x includes Torch, Flash and Indicator functions.
 
 config LEDS_OT200
 	tristate "LED support for the Bachmann OT200"
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index a9b627c4f8b..3fb9641b619 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_LEDS_BD2802)		+= leds-bd2802.o
 obj-$(CONFIG_LEDS_LOCOMO)		+= leds-locomo.o
 obj-$(CONFIG_LEDS_LM3530)		+= leds-lm3530.o
 obj-$(CONFIG_LEDS_LM3533)		+= leds-lm3533.o
+obj-$(CONFIG_LEDS_LM3642)		+= leds-lm3642.o
 obj-$(CONFIG_LEDS_MIKROTIK_RB532)	+= leds-rb532.o
 obj-$(CONFIG_LEDS_S3C24XX)		+= leds-s3c24xx.o
 obj-$(CONFIG_LEDS_NET48XX)		+= leds-net48xx.o
@@ -48,7 +49,7 @@ obj-$(CONFIG_LEDS_NETXBIG)		+= leds-netxbig.o
 obj-$(CONFIG_LEDS_ASIC3)		+= leds-asic3.o
 obj-$(CONFIG_LEDS_RENESAS_TPU)		+= leds-renesas-tpu.o
 obj-$(CONFIG_LEDS_MAX8997)		+= leds-max8997.o
-obj-$(CONFIG_LEDS_LM3556)		+= leds-lm3556.o
+obj-$(CONFIG_LEDS_LM355x)		+= leds-lm355x.o
 obj-$(CONFIG_LEDS_BLINKM)		+= leds-blinkm.o
 
 # LED SPI Drivers
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index c599095bc00..48cce18e9d6 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -124,6 +124,16 @@ static void led_timer_function(unsigned long data)
 	mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay));
 }
 
+static void set_brightness_delayed(struct work_struct *ws)
+{
+	struct led_classdev *led_cdev =
+		container_of(ws, struct led_classdev, set_brightness_work);
+
+	led_stop_software_blink(led_cdev);
+
+	__led_set_brightness(led_cdev, led_cdev->delayed_set_value);
+}
+
 /**
  * led_classdev_suspend - suspend an led_classdev.
  * @led_cdev: the led_classdev to suspend.
@@ -191,6 +201,8 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 
 	led_update_brightness(led_cdev);
 
+	INIT_WORK(&led_cdev->set_brightness_work, set_brightness_delayed);
+
 	init_timer(&led_cdev->blink_timer);
 	led_cdev->blink_timer.function = led_timer_function;
 	led_cdev->blink_timer.data = (unsigned long)led_cdev;
@@ -221,7 +233,10 @@ void led_classdev_unregister(struct led_classdev *led_cdev)
 	up_write(&led_cdev->trigger_lock);
 #endif
 
+	cancel_work_sync(&led_cdev->set_brightness_work);
+
 	/* Stop blinking */
+	led_stop_software_blink(led_cdev);
 	led_set_brightness(led_cdev, LED_OFF);
 
 	device_unregister(led_cdev->dev);
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index 2ab05af3de3..ce8921a753a 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -103,13 +103,23 @@ void led_blink_set_oneshot(struct led_classdev *led_cdev,
 }
 EXPORT_SYMBOL(led_blink_set_oneshot);
 
-void led_set_brightness(struct led_classdev *led_cdev,
-			enum led_brightness brightness)
+void led_stop_software_blink(struct led_classdev *led_cdev)
 {
-	/* stop and clear soft-blink timer */
 	del_timer_sync(&led_cdev->blink_timer);
 	led_cdev->blink_delay_on = 0;
 	led_cdev->blink_delay_off = 0;
+}
+EXPORT_SYMBOL_GPL(led_stop_software_blink);
+
+void led_set_brightness(struct led_classdev *led_cdev,
+			enum led_brightness brightness)
+{
+	/* delay brightness setting if need to stop soft-blink timer */
+	if (led_cdev->blink_delay_on || led_cdev->blink_delay_off) {
+		led_cdev->delayed_set_value = brightness;
+		schedule_work(&led_cdev->set_brightness_work);
+		return;
+	}
 
 	__led_set_brightness(led_cdev, brightness);
 }
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 363975b3c92..262eb419371 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -102,6 +102,12 @@ EXPORT_SYMBOL_GPL(led_trigger_show);
 void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
 {
 	unsigned long flags;
+	char *event = NULL;
+	char *envp[2];
+	const char *name;
+
+	name = trig ? trig->name : "none";
+	event = kasprintf(GFP_KERNEL, "TRIGGER=%s", name);
 
 	/* Remove any existing trigger */
 	if (led_cdev->trigger) {
@@ -109,6 +115,8 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
 		list_del(&led_cdev->trig_list);
 		write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock,
 			flags);
+		cancel_work_sync(&led_cdev->set_brightness_work);
+		led_stop_software_blink(led_cdev);
 		if (led_cdev->trigger->deactivate)
 			led_cdev->trigger->deactivate(led_cdev);
 		led_cdev->trigger = NULL;
@@ -122,6 +130,13 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
 		if (trig->activate)
 			trig->activate(led_cdev);
 	}
+
+	if (event) {
+		envp[0] = event;
+		envp[1] = NULL;
+		kobject_uevent_env(&led_cdev->dev->kobj, KOBJ_CHANGE, envp);
+		kfree(event);
+	}
 }
 EXPORT_SYMBOL_GPL(led_trigger_set);
 
@@ -224,7 +239,7 @@ void led_trigger_event(struct led_trigger *trig,
 		struct led_classdev *led_cdev;
 
 		led_cdev = list_entry(entry, struct led_classdev, trig_list);
-		__led_set_brightness(led_cdev, brightness);
+		led_set_brightness(led_cdev, brightness);
 	}
 	read_unlock(&trig->leddev_list_lock);
 }
diff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c
index 1ed1677c916..e024b0b1c3b 100644
--- a/drivers/leds/leds-clevo-mail.c
+++ b/drivers/leds/leds-clevo-mail.c
@@ -31,7 +31,7 @@ static int __init clevo_mail_led_dmi_callback(const struct dmi_system_id *id)
 }
 
 /*
- * struct mail_led_whitelist - List of known good models
+ * struct clevo_mail_led_dmi_table - List of known good models
  *
  * Contains the known good models this driver is compatible with.
  * When adding a new model try to be as strict as possible. This
@@ -39,7 +39,7 @@ static int __init clevo_mail_led_dmi_callback(const struct dmi_system_id *id)
  * detected as working, but in reality it is not) as low as
  * possible.
  */
-static struct dmi_system_id __initdata mail_led_whitelist[] = {
+static struct dmi_system_id __initdata clevo_mail_led_dmi_table[] = {
 	{
 		.callback = clevo_mail_led_dmi_callback,
 		.ident = "Clevo D410J",
@@ -59,11 +59,10 @@ static struct dmi_system_id __initdata mail_led_whitelist[] = {
 	},
 	{
 		.callback = clevo_mail_led_dmi_callback,
-		.ident = "Positivo Mobile",
+		.ident = "Clevo M5x0V",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "CLEVO Co. "),
 			DMI_MATCH(DMI_BOARD_NAME, "M5X0V "),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Positivo Mobile"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "VT6198")
 		}
 	},
@@ -89,6 +88,7 @@ static struct dmi_system_id __initdata mail_led_whitelist[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(dmi, clevo_mail_led_dmi_table);
 
 static void clevo_mail_led_set(struct led_classdev *led_cdev,
 				enum led_brightness value)
@@ -180,7 +180,7 @@ static int __init clevo_mail_led_init(void)
 
 	/* Check with the help of DMI if we are running on supported hardware */
 	if (!nodetect) {
-		count = dmi_check_system(mail_led_whitelist);
+		count = dmi_check_system(clevo_mail_led_dmi_table);
 	} else {
 		count = 1;
 		printk(KERN_ERR KBUILD_MODNAME ": Skipping DMI detection. "
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index c032b218034..087d1e66f4f 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -20,6 +20,7 @@
 #include <linux/slab.h>
 #include <linux/workqueue.h>
 #include <linux/module.h>
+#include <linux/pinctrl/consumer.h>
 
 struct gpio_led_data {
 	struct led_classdev cdev;
@@ -170,11 +171,10 @@ static struct gpio_leds_priv * __devinit gpio_leds_create_of(struct platform_dev
 {
 	struct device_node *np = pdev->dev.of_node, *child;
 	struct gpio_leds_priv *priv;
-	int count = 0, ret;
+	int count, ret;
 
 	/* count LEDs in this device, so we know how much to allocate */
-	for_each_child_of_node(np, child)
-		count++;
+	count = of_get_child_count(np);
 	if (!count)
 		return NULL;
 
@@ -228,7 +228,6 @@ static struct gpio_leds_priv * __devinit gpio_leds_create_of(struct platform_dev
 {
 	return NULL;
 }
-#define of_gpio_leds_match NULL
 #endif /* CONFIG_OF_GPIO */
 
 
@@ -236,8 +235,14 @@ static int __devinit gpio_led_probe(struct platform_device *pdev)
 {
 	struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
 	struct gpio_leds_priv *priv;
+	struct pinctrl *pinctrl;
 	int i, ret = 0;
 
+	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+	if (IS_ERR(pinctrl))
+		dev_warn(&pdev->dev,
+			"pins are not configured from the driver\n");
+
 	if (pdata && pdata->num_leds) {
 		priv = devm_kzalloc(&pdev->dev,
 				sizeof_gpio_leds_priv(pdata->num_leds),
@@ -270,13 +275,13 @@ static int __devinit gpio_led_probe(struct platform_device *pdev)
 
 static int __devexit gpio_led_remove(struct platform_device *pdev)
 {
-	struct gpio_leds_priv *priv = dev_get_drvdata(&pdev->dev);
+	struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
 	int i;
 
 	for (i = 0; i < priv->num_leds; i++)
 		delete_gpio_led(&priv->leds[i]);
 
-	dev_set_drvdata(&pdev->dev, NULL);
+	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }
@@ -287,7 +292,7 @@ static struct platform_driver gpio_led_driver = {
 	.driver		= {
 		.name	= "leds-gpio",
 		.owner	= THIS_MODULE,
-		.of_match_table = of_gpio_leds_match,
+		.of_match_table = of_match_ptr(of_gpio_leds_match),
 	},
 };
 
diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c
index 23637bdb275..b26306f6724 100644
--- a/drivers/leds/leds-lm3530.c
+++ b/drivers/leds/leds-lm3530.c
@@ -150,7 +150,7 @@ static int lm3530_get_mode_from_str(const char *str)
 		if (sysfs_streq(str, mode_map[i].mode))
 			return mode_map[i].mode_val;
 
-	return -1;
+	return -EINVAL;
 }
 
 static void lm3530_als_configure(struct lm3530_platform_data *pdata,
@@ -358,7 +358,7 @@ static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute
 	mode = lm3530_get_mode_from_str(buf);
 	if (mode < 0) {
 		dev_err(dev, "Invalid mode\n");
-		return -EINVAL;
+		return mode;
 	}
 
 	drvdata->mode = mode;
@@ -416,7 +416,7 @@ static int __devinit lm3530_probe(struct i2c_client *client,
 
 	i2c_set_clientdata(client, drvdata);
 
-	drvdata->regulator = regulator_get(&client->dev, "vin");
+	drvdata->regulator = devm_regulator_get(&client->dev, "vin");
 	if (IS_ERR(drvdata->regulator)) {
 		dev_err(&client->dev, "regulator get failed\n");
 		err = PTR_ERR(drvdata->regulator);
@@ -429,15 +429,13 @@ static int __devinit lm3530_probe(struct i2c_client *client,
 		if (err < 0) {
 			dev_err(&client->dev,
 				"Register Init failed: %d\n", err);
-			err = -ENODEV;
-			goto err_reg_init;
+			return err;
 		}
 	}
 	err = led_classdev_register(&client->dev, &drvdata->led_dev);
 	if (err < 0) {
 		dev_err(&client->dev, "Register led class failed: %d\n", err);
-		err = -ENODEV;
-		goto err_class_register;
+		return err;
 	}
 
 	err = device_create_file(drvdata->led_dev.dev, &dev_attr_mode);
@@ -451,9 +449,6 @@ static int __devinit lm3530_probe(struct i2c_client *client,
 
 err_create_file:
 	led_classdev_unregister(&drvdata->led_dev);
-err_class_register:
-err_reg_init:
-	regulator_put(drvdata->regulator);
 	return err;
 }
 
@@ -465,7 +460,6 @@ static int __devexit lm3530_remove(struct i2c_client *client)
 
 	if (drvdata->enable)
 		regulator_disable(drvdata->regulator);
-	regulator_put(drvdata->regulator);
 	led_classdev_unregister(&drvdata->led_dev);
 	return 0;
 }
diff --git a/drivers/leds/leds-lm3556.c b/drivers/leds/leds-lm3556.c
deleted file mode 100644
index 3062abd9a53..00000000000
--- a/drivers/leds/leds-lm3556.c
+++ /dev/null
@@ -1,512 +0,0 @@
-/*
- * Simple driver for Texas Instruments LM3556 LED Flash driver chip (Rev0x03)
- * Copyright (C) 2012 Texas Instruments
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Please refer Documentation/leds/leds-lm3556.txt file.
- */
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/leds.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/fs.h>
-#include <linux/regmap.h>
-#include <linux/platform_data/leds-lm3556.h>
-
-#define REG_FILT_TIME			(0x0)
-#define REG_IVFM_MODE			(0x1)
-#define REG_NTC				(0x2)
-#define REG_INDIC_TIME			(0x3)
-#define REG_INDIC_BLINK			(0x4)
-#define REG_INDIC_PERIOD		(0x5)
-#define REG_TORCH_TIME			(0x6)
-#define REG_CONF			(0x7)
-#define REG_FLASH			(0x8)
-#define REG_I_CTRL			(0x9)
-#define REG_ENABLE			(0xA)
-#define REG_FLAG			(0xB)
-#define REG_MAX				(0xB)
-
-#define IVFM_FILTER_TIME_SHIFT		(3)
-#define UVLO_EN_SHIFT			(7)
-#define HYSTERSIS_SHIFT			(5)
-#define IVM_D_TH_SHIFT			(2)
-#define IVFM_ADJ_MODE_SHIFT		(0)
-#define NTC_EVENT_LVL_SHIFT		(5)
-#define NTC_TRIP_TH_SHIFT		(2)
-#define NTC_BIAS_I_LVL_SHIFT		(0)
-#define INDIC_RAMP_UP_TIME_SHIFT	(3)
-#define INDIC_RAMP_DN_TIME_SHIFT	(0)
-#define INDIC_N_BLANK_SHIFT		(4)
-#define INDIC_PULSE_TIME_SHIFT		(0)
-#define INDIC_N_PERIOD_SHIFT		(0)
-#define TORCH_RAMP_UP_TIME_SHIFT	(3)
-#define TORCH_RAMP_DN_TIME_SHIFT	(0)
-#define STROBE_USUAGE_SHIFT		(7)
-#define STROBE_PIN_POLARITY_SHIFT	(6)
-#define TORCH_PIN_POLARITY_SHIFT	(5)
-#define TX_PIN_POLARITY_SHIFT		(4)
-#define TX_EVENT_LVL_SHIFT		(3)
-#define IVFM_EN_SHIFT			(2)
-#define NTC_MODE_SHIFT			(1)
-#define INDIC_MODE_SHIFT		(0)
-#define INDUCTOR_I_LIMIT_SHIFT		(6)
-#define FLASH_RAMP_TIME_SHIFT		(3)
-#define FLASH_TOUT_TIME_SHIFT		(0)
-#define TORCH_I_SHIFT			(4)
-#define FLASH_I_SHIFT			(0)
-#define NTC_EN_SHIFT			(7)
-#define TX_PIN_EN_SHIFT			(6)
-#define STROBE_PIN_EN_SHIFT		(5)
-#define TORCH_PIN_EN_SHIFT		(4)
-#define PRECHG_MODE_EN_SHIFT		(3)
-#define PASS_MODE_ONLY_EN_SHIFT		(2)
-#define MODE_BITS_SHIFT			(0)
-
-#define IVFM_FILTER_TIME_MASK		(0x3)
-#define UVLO_EN_MASK			(0x1)
-#define HYSTERSIS_MASK			(0x3)
-#define IVM_D_TH_MASK			(0x7)
-#define IVFM_ADJ_MODE_MASK		(0x3)
-#define NTC_EVENT_LVL_MASK		(0x1)
-#define NTC_TRIP_TH_MASK		(0x7)
-#define NTC_BIAS_I_LVL_MASK		(0x3)
-#define INDIC_RAMP_UP_TIME_MASK		(0x7)
-#define INDIC_RAMP_DN_TIME_MASK		(0x7)
-#define INDIC_N_BLANK_MASK		(0x7)
-#define INDIC_PULSE_TIME_MASK		(0x7)
-#define INDIC_N_PERIOD_MASK		(0x7)
-#define TORCH_RAMP_UP_TIME_MASK		(0x7)
-#define TORCH_RAMP_DN_TIME_MASK		(0x7)
-#define STROBE_USUAGE_MASK		(0x1)
-#define STROBE_PIN_POLARITY_MASK	(0x1)
-#define TORCH_PIN_POLARITY_MASK		(0x1)
-#define TX_PIN_POLARITY_MASK		(0x1)
-#define TX_EVENT_LVL_MASK		(0x1)
-#define IVFM_EN_MASK			(0x1)
-#define NTC_MODE_MASK			(0x1)
-#define INDIC_MODE_MASK			(0x1)
-#define INDUCTOR_I_LIMIT_MASK		(0x3)
-#define FLASH_RAMP_TIME_MASK		(0x7)
-#define FLASH_TOUT_TIME_MASK		(0x7)
-#define TORCH_I_MASK			(0x7)
-#define FLASH_I_MASK			(0xF)
-#define NTC_EN_MASK			(0x1)
-#define TX_PIN_EN_MASK			(0x1)
-#define STROBE_PIN_EN_MASK		(0x1)
-#define TORCH_PIN_EN_MASK		(0x1)
-#define PRECHG_MODE_EN_MASK		(0x1)
-#define PASS_MODE_ONLY_EN_MASK		(0x1)
-#define MODE_BITS_MASK			(0x13)
-#define EX_PIN_CONTROL_MASK		(0xF1)
-#define EX_PIN_ENABLE_MASK		(0x70)
-
-enum lm3556_indic_pulse_time {
-	PULSE_TIME_0_MS = 0,
-	PULSE_TIME_32_MS,
-	PULSE_TIME_64_MS,
-	PULSE_TIME_92_MS,
-	PULSE_TIME_128_MS,
-	PULSE_TIME_160_MS,
-	PULSE_TIME_196_MS,
-	PULSE_TIME_224_MS,
-	PULSE_TIME_256_MS,
-	PULSE_TIME_288_MS,
-	PULSE_TIME_320_MS,
-	PULSE_TIME_352_MS,
-	PULSE_TIME_384_MS,
-	PULSE_TIME_416_MS,
-	PULSE_TIME_448_MS,
-	PULSE_TIME_480_MS,
-};
-
-enum lm3556_indic_n_blank {
-	INDIC_N_BLANK_0 = 0,
-	INDIC_N_BLANK_1,
-	INDIC_N_BLANK_2,
-	INDIC_N_BLANK_3,
-	INDIC_N_BLANK_4,
-	INDIC_N_BLANK_5,
-	INDIC_N_BLANK_6,
-	INDIC_N_BLANK_7,
-	INDIC_N_BLANK_8,
-	INDIC_N_BLANK_9,
-	INDIC_N_BLANK_10,
-	INDIC_N_BLANK_11,
-	INDIC_N_BLANK_12,
-	INDIC_N_BLANK_13,
-	INDIC_N_BLANK_14,
-	INDIC_N_BLANK_15,
-};
-
-enum lm3556_indic_period {
-	INDIC_PERIOD_0 = 0,
-	INDIC_PERIOD_1,
-	INDIC_PERIOD_2,
-	INDIC_PERIOD_3,
-	INDIC_PERIOD_4,
-	INDIC_PERIOD_5,
-	INDIC_PERIOD_6,
-	INDIC_PERIOD_7,
-};
-
-enum lm3556_mode {
-	MODES_STASNDBY = 0,
-	MODES_INDIC,
-	MODES_TORCH,
-	MODES_FLASH
-};
-
-#define INDIC_PATTERN_SIZE 4
-
-struct indicator {
-	u8 blinking;
-	u8 period_cnt;
-};
-
-struct lm3556_chip_data {
-	struct device *dev;
-
-	struct led_classdev cdev_flash;
-	struct led_classdev cdev_torch;
-	struct led_classdev cdev_indicator;
-
-	struct lm3556_platform_data *pdata;
-	struct regmap *regmap;
-	struct mutex lock;
-
-	unsigned int last_flag;
-};
-
-/* indicator pattern */
-static struct indicator indicator_pattern[INDIC_PATTERN_SIZE] = {
-	[0] = {(INDIC_N_BLANK_1 << INDIC_N_BLANK_SHIFT)
-	       | PULSE_TIME_32_MS, INDIC_PERIOD_1},
-	[1] = {(INDIC_N_BLANK_15 << INDIC_N_BLANK_SHIFT)
-	       | PULSE_TIME_32_MS, INDIC_PERIOD_2},
-	[2] = {(INDIC_N_BLANK_10 << INDIC_N_BLANK_SHIFT)
-	       | PULSE_TIME_32_MS, INDIC_PERIOD_4},
-	[3] = {(INDIC_N_BLANK_5 << INDIC_N_BLANK_SHIFT)
-	       | PULSE_TIME_32_MS, INDIC_PERIOD_7},
-};
-
-/* chip initialize */
-static int __devinit lm3556_chip_init(struct lm3556_chip_data *chip)
-{
-	unsigned int reg_val;
-	int ret;
-	struct lm3556_platform_data *pdata = chip->pdata;
-
-	/* set config register */
-	ret = regmap_read(chip->regmap, REG_CONF, &reg_val);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to read REG_CONF Register\n");
-		goto out;
-	}
-
-	reg_val &= (~EX_PIN_CONTROL_MASK);
-	reg_val |= ((pdata->torch_pin_polarity & 0x01)
-		    << TORCH_PIN_POLARITY_SHIFT);
-	reg_val |= ((pdata->strobe_usuage & 0x01) << STROBE_USUAGE_SHIFT);
-	reg_val |= ((pdata->strobe_pin_polarity & 0x01)
-		    << STROBE_PIN_POLARITY_SHIFT);
-	reg_val |= ((pdata->tx_pin_polarity & 0x01) << TX_PIN_POLARITY_SHIFT);
-	reg_val |= ((pdata->indicator_mode & 0x01) << INDIC_MODE_SHIFT);
-
-	ret = regmap_write(chip->regmap, REG_CONF, reg_val);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to write REG_CONF Regisgter\n");
-		goto out;
-	}
-
-	/* set enable register */
-	ret = regmap_read(chip->regmap, REG_ENABLE, &reg_val);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to read REG_ENABLE Register\n");
-		goto out;
-	}
-
-	reg_val &= (~EX_PIN_ENABLE_MASK);
-	reg_val |= ((pdata->torch_pin_en & 0x01) << TORCH_PIN_EN_SHIFT);
-	reg_val |= ((pdata->strobe_pin_en & 0x01) << STROBE_PIN_EN_SHIFT);
-	reg_val |= ((pdata->tx_pin_en & 0x01) << TX_PIN_EN_SHIFT);
-
-	ret = regmap_write(chip->regmap, REG_ENABLE, reg_val);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to write REG_ENABLE Regisgter\n");
-		goto out;
-	}
-
-out:
-	return ret;
-}
-
-/* chip control */
-static int lm3556_control(struct lm3556_chip_data *chip,
-			  u8 brightness, enum lm3556_mode opmode)
-{
-	int ret;
-	struct lm3556_platform_data *pdata = chip->pdata;
-
-	ret = regmap_read(chip->regmap, REG_FLAG, &chip->last_flag);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to read REG_FLAG Register\n");
-		goto out;
-	}
-
-	if (chip->last_flag)
-		dev_info(chip->dev, "Last FLAG is 0x%x\n", chip->last_flag);
-
-	/* brightness 0 means off-state */
-	if (!brightness)
-		opmode = MODES_STASNDBY;
-
-	switch (opmode) {
-	case MODES_TORCH:
-		ret = regmap_update_bits(chip->regmap, REG_I_CTRL,
-					 TORCH_I_MASK << TORCH_I_SHIFT,
-					 (brightness - 1) << TORCH_I_SHIFT);
-
-		if (pdata->torch_pin_en)
-			opmode |= (TORCH_PIN_EN_MASK << TORCH_PIN_EN_SHIFT);
-		break;
-
-	case MODES_FLASH:
-		ret = regmap_update_bits(chip->regmap, REG_I_CTRL,
-					 FLASH_I_MASK << FLASH_I_SHIFT,
-					 (brightness - 1) << FLASH_I_SHIFT);
-		break;
-
-	case MODES_INDIC:
-		ret = regmap_update_bits(chip->regmap, REG_I_CTRL,
-					 TORCH_I_MASK << TORCH_I_SHIFT,
-					 (brightness - 1) << TORCH_I_SHIFT);
-		break;
-
-	case MODES_STASNDBY:
-		if (pdata->torch_pin_en)
-			opmode |= (TORCH_PIN_EN_MASK << TORCH_PIN_EN_SHIFT);
-		break;
-
-	default:
-		return ret;
-	}
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to write REG_I_CTRL Register\n");
-		goto out;
-	}
-	ret = regmap_update_bits(chip->regmap, REG_ENABLE,
-				 MODE_BITS_MASK << MODE_BITS_SHIFT,
-				 opmode << MODE_BITS_SHIFT);
-
-out:
-	return ret;
-}
-
-/* torch */
-static void lm3556_torch_brightness_set(struct led_classdev *cdev,
-					enum led_brightness brightness)
-{
-	struct lm3556_chip_data *chip =
-	    container_of(cdev, struct lm3556_chip_data, cdev_torch);
-
-	mutex_lock(&chip->lock);
-	lm3556_control(chip, brightness, MODES_TORCH);
-	mutex_unlock(&chip->lock);
-}
-
-/* flash */
-static void lm3556_strobe_brightness_set(struct led_classdev *cdev,
-					 enum led_brightness brightness)
-{
-	struct lm3556_chip_data *chip =
-	    container_of(cdev, struct lm3556_chip_data, cdev_flash);
-
-	mutex_lock(&chip->lock);
-	lm3556_control(chip, brightness, MODES_FLASH);
-	mutex_unlock(&chip->lock);
-}
-
-/* indicator */
-static void lm3556_indicator_brightness_set(struct led_classdev *cdev,
-					    enum led_brightness brightness)
-{
-	struct lm3556_chip_data *chip =
-	    container_of(cdev, struct lm3556_chip_data, cdev_indicator);
-
-	mutex_lock(&chip->lock);
-	lm3556_control(chip, brightness, MODES_INDIC);
-	mutex_unlock(&chip->lock);
-}
-
-/* indicator pattern */
-static ssize_t lm3556_indicator_pattern_store(struct device *dev,
-					      struct device_attribute *devAttr,
-					      const char *buf, size_t size)
-{
-	ssize_t ret;
-	struct led_classdev *led_cdev = dev_get_drvdata(dev);
-	struct lm3556_chip_data *chip =
-	    container_of(led_cdev, struct lm3556_chip_data, cdev_indicator);
-	unsigned int state;
-
-	ret = kstrtouint(buf, 10, &state);
-	if (ret)
-		goto out;
-	if (state > INDIC_PATTERN_SIZE - 1)
-		state = INDIC_PATTERN_SIZE - 1;
-
-	ret = regmap_write(chip->regmap, REG_INDIC_BLINK,
-			   indicator_pattern[state].blinking);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to write REG_ENABLE Regisgter\n");
-		goto out;
-	}
-
-	ret = regmap_write(chip->regmap, REG_INDIC_PERIOD,
-			   indicator_pattern[state].period_cnt);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to write REG_ENABLE Regisgter\n");
-		goto out;
-	}
-
-	return size;
-out:
-	dev_err(chip->dev, "Indicator pattern doesn't saved\n");
-	return size;
-}
-
-static DEVICE_ATTR(pattern, 0666, NULL, lm3556_indicator_pattern_store);
-
-static const struct regmap_config lm3556_regmap = {
-	.reg_bits = 8,
-	.val_bits = 8,
-	.max_register = REG_MAX,
-};
-
-/* module initialize */
-static int __devinit lm3556_probe(struct i2c_client *client,
-				  const struct i2c_device_id *id)
-{
-	struct lm3556_platform_data *pdata = client->dev.platform_data;
-	struct lm3556_chip_data *chip;
-
-	int err;
-
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
-		dev_err(&client->dev, "i2c functionality check fail.\n");
-		return -EOPNOTSUPP;
-	}
-
-	if (pdata == NULL) {
-		dev_err(&client->dev, "Needs Platform Data.\n");
-		return -ENODATA;
-	}
-
-	chip =
-	    devm_kzalloc(&client->dev, sizeof(struct lm3556_chip_data),
-			 GFP_KERNEL);
-	if (!chip)
-		return -ENOMEM;
-
-	chip->dev = &client->dev;
-	chip->pdata = pdata;
-
-	chip->regmap = devm_regmap_init_i2c(client, &lm3556_regmap);
-	if (IS_ERR(chip->regmap)) {
-		err = PTR_ERR(chip->regmap);
-		dev_err(&client->dev, "Failed to allocate register map: %d\n",
-			err);
-		return err;
-	}
-
-	mutex_init(&chip->lock);
-	i2c_set_clientdata(client, chip);
-
-	err = lm3556_chip_init(chip);
-	if (err < 0)
-		goto err_out;
-
-	/* flash */
-	chip->cdev_flash.name = "flash";
-	chip->cdev_flash.max_brightness = 16;
-	chip->cdev_flash.brightness_set = lm3556_strobe_brightness_set;
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_flash);
-	if (err < 0)
-		goto err_out;
-	/* torch */
-	chip->cdev_torch.name = "torch";
-	chip->cdev_torch.max_brightness = 8;
-	chip->cdev_torch.brightness_set = lm3556_torch_brightness_set;
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_torch);
-	if (err < 0)
-		goto err_create_torch_file;
-	/* indicator */
-	chip->cdev_indicator.name = "indicator";
-	chip->cdev_indicator.max_brightness = 8;
-	chip->cdev_indicator.brightness_set = lm3556_indicator_brightness_set;
-	err = led_classdev_register((struct device *)
-				    &client->dev, &chip->cdev_indicator);
-	if (err < 0)
-		goto err_create_indicator_file;
-
-	err = device_create_file(chip->cdev_indicator.dev, &dev_attr_pattern);
-	if (err < 0)
-		goto err_create_pattern_file;
-
-	dev_info(&client->dev, "LM3556 is initialized\n");
-	return 0;
-
-err_create_pattern_file:
-	led_classdev_unregister(&chip->cdev_indicator);
-err_create_indicator_file:
-	led_classdev_unregister(&chip->cdev_torch);
-err_create_torch_file:
-	led_classdev_unregister(&chip->cdev_flash);
-err_out:
-	return err;
-}
-
-static int __devexit lm3556_remove(struct i2c_client *client)
-{
-	struct lm3556_chip_data *chip = i2c_get_clientdata(client);
-
-	device_remove_file(chip->cdev_indicator.dev, &dev_attr_pattern);
-	led_classdev_unregister(&chip->cdev_indicator);
-	led_classdev_unregister(&chip->cdev_torch);
-	led_classdev_unregister(&chip->cdev_flash);
-	regmap_write(chip->regmap, REG_ENABLE, 0);
-	return 0;
-}
-
-static const struct i2c_device_id lm3556_id[] = {
-	{LM3556_NAME, 0},
-	{}
-};
-
-MODULE_DEVICE_TABLE(i2c, lm3556_id);
-
-static struct i2c_driver lm3556_i2c_driver = {
-	.driver = {
-		   .name = LM3556_NAME,
-		   .owner = THIS_MODULE,
-		   .pm = NULL,
-		   },
-	.probe = lm3556_probe,
-	.remove = __devexit_p(lm3556_remove),
-	.id_table = lm3556_id,
-};
-
-module_i2c_driver(lm3556_i2c_driver);
-
-MODULE_DESCRIPTION("Texas Instruments Flash Lighting driver for LM3556");
-MODULE_AUTHOR("Daniel Jeong <daniel.jeong@ti.com>");
-MODULE_AUTHOR("G.Shark Jeong <gshark.jeong@gmail.com>");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
new file mode 100644
index 00000000000..065ec015d67
--- /dev/null
+++ b/drivers/leds/leds-lm355x.c
@@ -0,0 +1,572 @@
+/*
+* Simple driver for Texas Instruments LM355x LED Flash driver chip
+* Copyright (C) 2012 Texas Instruments
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*/
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/fs.h>
+#include <linux/regmap.h>
+#include <linux/workqueue.h>
+#include <linux/platform_data/leds-lm355x.h>
+
+enum lm355x_type {
+	CHIP_LM3554 = 0,
+	CHIP_LM3556,
+};
+
+enum lm355x_regs {
+	REG_FLAG = 0,
+	REG_TORCH_CFG,
+	REG_TORCH_CTRL,
+	REG_STROBE_CFG,
+	REG_FLASH_CTRL,
+	REG_INDI_CFG,
+	REG_INDI_CTRL,
+	REG_OPMODE,
+	REG_MAX,
+};
+
+/* operation mode */
+enum lm355x_mode {
+	MODE_SHDN = 0,
+	MODE_INDIC,
+	MODE_TORCH,
+	MODE_FLASH
+};
+
+/* register map info. */
+struct lm355x_reg_data {
+	u8 regno;
+	u8 mask;
+	u8 shift;
+};
+
+struct lm355x_chip_data {
+	struct device *dev;
+	enum lm355x_type type;
+
+	struct led_classdev cdev_flash;
+	struct led_classdev cdev_torch;
+	struct led_classdev cdev_indicator;
+
+	struct work_struct work_flash;
+	struct work_struct work_torch;
+	struct work_struct work_indicator;
+
+	u8 br_flash;
+	u8 br_torch;
+	u8 br_indicator;
+
+	struct lm355x_platform_data *pdata;
+	struct regmap *regmap;
+	struct mutex lock;
+
+	unsigned int last_flag;
+	struct lm355x_reg_data *regs;
+};
+
+/* specific indicator function for lm3556 */
+enum lm3556_indic_pulse_time {
+	PULSE_TIME_0_MS = 0,
+	PULSE_TIME_32_MS,
+	PULSE_TIME_64_MS,
+	PULSE_TIME_92_MS,
+	PULSE_TIME_128_MS,
+	PULSE_TIME_160_MS,
+	PULSE_TIME_196_MS,
+	PULSE_TIME_224_MS,
+	PULSE_TIME_256_MS,
+	PULSE_TIME_288_MS,
+	PULSE_TIME_320_MS,
+	PULSE_TIME_352_MS,
+	PULSE_TIME_384_MS,
+	PULSE_TIME_416_MS,
+	PULSE_TIME_448_MS,
+	PULSE_TIME_480_MS,
+};
+
+enum lm3556_indic_n_blank {
+	INDIC_N_BLANK_0 = 0,
+	INDIC_N_BLANK_1,
+	INDIC_N_BLANK_2,
+	INDIC_N_BLANK_3,
+	INDIC_N_BLANK_4,
+	INDIC_N_BLANK_5,
+	INDIC_N_BLANK_6,
+	INDIC_N_BLANK_7,
+	INDIC_N_BLANK_8,
+	INDIC_N_BLANK_9,
+	INDIC_N_BLANK_10,
+	INDIC_N_BLANK_11,
+	INDIC_N_BLANK_12,
+	INDIC_N_BLANK_13,
+	INDIC_N_BLANK_14,
+	INDIC_N_BLANK_15,
+};
+
+enum lm3556_indic_period {
+	INDIC_PERIOD_0 = 0,
+	INDIC_PERIOD_1,
+	INDIC_PERIOD_2,
+	INDIC_PERIOD_3,
+	INDIC_PERIOD_4,
+	INDIC_PERIOD_5,
+	INDIC_PERIOD_6,
+	INDIC_PERIOD_7,
+};
+
+#define INDIC_PATTERN_SIZE 4
+
+struct indicator {
+	u8 blinking;
+	u8 period_cnt;
+};
+
+/* indicator pattern data only for lm3556 */
+static struct indicator indicator_pattern[INDIC_PATTERN_SIZE] = {
+	[0] = {(INDIC_N_BLANK_1 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_1},
+	[1] = {(INDIC_N_BLANK_15 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_2},
+	[2] = {(INDIC_N_BLANK_10 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_4},
+	[3] = {(INDIC_N_BLANK_5 << 4) | PULSE_TIME_32_MS, INDIC_PERIOD_7},
+};
+
+static struct lm355x_reg_data lm3554_regs[REG_MAX] = {
+	[REG_FLAG] = {0xD0, 0xBF, 0},
+	[REG_TORCH_CFG] = {0xE0, 0x80, 7},
+	[REG_TORCH_CTRL] = {0xA0, 0x38, 3},
+	[REG_STROBE_CFG] = {0xE0, 0x04, 2},
+	[REG_FLASH_CTRL] = {0xB0, 0x78, 3},
+	[REG_INDI_CFG] = {0xE0, 0x08, 3},
+	[REG_INDI_CTRL] = {0xA0, 0xC0, 6},
+	[REG_OPMODE] = {0xA0, 0x03, 0},
+};
+
+static struct lm355x_reg_data lm3556_regs[REG_MAX] = {
+	[REG_FLAG] = {0x0B, 0xFF, 0},
+	[REG_TORCH_CFG] = {0x0A, 0x10, 4},
+	[REG_TORCH_CTRL] = {0x09, 0x70, 4},
+	[REG_STROBE_CFG] = {0x0A, 0x20, 5},
+	[REG_FLASH_CTRL] = {0x09, 0x0F, 0},
+	[REG_INDI_CFG] = {0xFF, 0xFF, 0},
+	[REG_INDI_CTRL] = {0x09, 0x70, 4},
+	[REG_OPMODE] = {0x0A, 0x03, 0},
+};
+
+static char lm355x_name[][I2C_NAME_SIZE] = {
+	[CHIP_LM3554] = LM3554_NAME,
+	[CHIP_LM3556] = LM3556_NAME,
+};
+
+/* chip initialize */
+static int __devinit lm355x_chip_init(struct lm355x_chip_data *chip)
+{
+	int ret;
+	unsigned int reg_val;
+	struct lm355x_platform_data *pdata = chip->pdata;
+
+	/* input and output pins configuration */
+	switch (chip->type) {
+	case CHIP_LM3554:
+		reg_val = pdata->pin_tx2 | pdata->ntc_pin;
+		ret = regmap_update_bits(chip->regmap, 0xE0, 0x28, reg_val);
+		if (ret < 0)
+			goto out;
+		reg_val = pdata->pass_mode;
+		ret = regmap_update_bits(chip->regmap, 0xA0, 0x04, reg_val);
+		if (ret < 0)
+			goto out;
+		break;
+
+	case CHIP_LM3556:
+		reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode;
+		ret = regmap_update_bits(chip->regmap, 0x0A, 0xC4, reg_val);
+		if (ret < 0)
+			goto out;
+		break;
+	default:
+		return -ENODATA;
+	}
+
+	return ret;
+out:
+	dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
+	return ret;
+}
+
+/* chip control */
+static void lm355x_control(struct lm355x_chip_data *chip,
+			   u8 brightness, enum lm355x_mode opmode)
+{
+	int ret;
+	unsigned int reg_val;
+	struct lm355x_platform_data *pdata = chip->pdata;
+	struct lm355x_reg_data *preg = chip->regs;
+
+	ret = regmap_read(chip->regmap, preg[REG_FLAG].regno, &chip->last_flag);
+	if (ret < 0)
+		goto out;
+	if (chip->last_flag & preg[REG_FLAG].mask)
+		dev_info(chip->dev, "%s Last FLAG is 0x%x\n",
+			 lm355x_name[chip->type],
+			 chip->last_flag & preg[REG_FLAG].mask);
+	/* brightness 0 means shutdown */
+	if (!brightness)
+		opmode = MODE_SHDN;
+
+	switch (opmode) {
+	case MODE_TORCH:
+		ret =
+		    regmap_update_bits(chip->regmap, preg[REG_TORCH_CTRL].regno,
+				       preg[REG_TORCH_CTRL].mask,
+				       (brightness - 1)
+				       << preg[REG_TORCH_CTRL].shift);
+		if (ret < 0)
+			goto out;
+
+		if (pdata->pin_tx1 != LM355x_PIN_TORCH_DISABLE) {
+			ret =
+			    regmap_update_bits(chip->regmap,
+					       preg[REG_TORCH_CFG].regno,
+					       preg[REG_TORCH_CFG].mask,
+					       0x01 <<
+					       preg[REG_TORCH_CFG].shift);
+			if (ret < 0)
+				goto out;
+			opmode = MODE_SHDN;
+			dev_info(chip->dev,
+				 "torch brt is set - ext. torch pin mode\n");
+		}
+		break;
+
+	case MODE_FLASH:
+
+		ret =
+		    regmap_update_bits(chip->regmap, preg[REG_FLASH_CTRL].regno,
+				       preg[REG_FLASH_CTRL].mask,
+				       (brightness - 1)
+				       << preg[REG_FLASH_CTRL].shift);
+		if (ret < 0)
+			goto out;
+
+		if (pdata->pin_strobe != LM355x_PIN_STROBE_DISABLE) {
+			if (chip->type == CHIP_LM3554)
+				reg_val = 0x00;
+			else
+				reg_val = 0x01;
+			ret =
+			    regmap_update_bits(chip->regmap,
+					       preg[REG_STROBE_CFG].regno,
+					       preg[REG_STROBE_CFG].mask,
+					       reg_val <<
+					       preg[REG_STROBE_CFG].shift);
+			if (ret < 0)
+				goto out;
+			opmode = MODE_SHDN;
+			dev_info(chip->dev,
+				 "flash brt is set - ext. strobe pin mode\n");
+		}
+		break;
+
+	case MODE_INDIC:
+		ret =
+		    regmap_update_bits(chip->regmap, preg[REG_INDI_CTRL].regno,
+				       preg[REG_INDI_CTRL].mask,
+				       (brightness - 1)
+				       << preg[REG_INDI_CTRL].shift);
+		if (ret < 0)
+			goto out;
+
+		if (pdata->pin_tx2 != LM355x_PIN_TX_DISABLE) {
+			ret =
+			    regmap_update_bits(chip->regmap,
+					       preg[REG_INDI_CFG].regno,
+					       preg[REG_INDI_CFG].mask,
+					       0x01 <<
+					       preg[REG_INDI_CFG].shift);
+			if (ret < 0)
+				goto out;
+			opmode = MODE_SHDN;
+		}
+		break;
+	case MODE_SHDN:
+		break;
+	default:
+		return;
+	}
+	/* operation mode control */
+	ret = regmap_update_bits(chip->regmap, preg[REG_OPMODE].regno,
+				 preg[REG_OPMODE].mask,
+				 opmode << preg[REG_OPMODE].shift);
+	if (ret < 0)
+		goto out;
+	return;
+out:
+	dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
+	return;
+}
+
+/* torch */
+static void lm355x_deferred_torch_brightness_set(struct work_struct *work)
+{
+	struct lm355x_chip_data *chip =
+	    container_of(work, struct lm355x_chip_data, work_torch);
+
+	mutex_lock(&chip->lock);
+	lm355x_control(chip, chip->br_torch, MODE_TORCH);
+	mutex_unlock(&chip->lock);
+}
+
+static void lm355x_torch_brightness_set(struct led_classdev *cdev,
+					enum led_brightness brightness)
+{
+	struct lm355x_chip_data *chip =
+	    container_of(cdev, struct lm355x_chip_data, cdev_torch);
+
+	chip->br_torch = brightness;
+	schedule_work(&chip->work_torch);
+}
+
+/* flash */
+static void lm355x_deferred_strobe_brightness_set(struct work_struct *work)
+{
+	struct lm355x_chip_data *chip =
+	    container_of(work, struct lm355x_chip_data, work_flash);
+
+	mutex_lock(&chip->lock);
+	lm355x_control(chip, chip->br_flash, MODE_FLASH);
+	mutex_unlock(&chip->lock);
+}
+
+static void lm355x_strobe_brightness_set(struct led_classdev *cdev,
+					 enum led_brightness brightness)
+{
+	struct lm355x_chip_data *chip =
+	    container_of(cdev, struct lm355x_chip_data, cdev_flash);
+
+	chip->br_flash = brightness;
+	schedule_work(&chip->work_flash);
+}
+
+/* indicator */
+static void lm355x_deferred_indicator_brightness_set(struct work_struct *work)
+{
+	struct lm355x_chip_data *chip =
+	    container_of(work, struct lm355x_chip_data, work_indicator);
+
+	mutex_lock(&chip->lock);
+	lm355x_control(chip, chip->br_indicator, MODE_INDIC);
+	mutex_unlock(&chip->lock);
+}
+
+static void lm355x_indicator_brightness_set(struct led_classdev *cdev,
+					    enum led_brightness brightness)
+{
+	struct lm355x_chip_data *chip =
+	    container_of(cdev, struct lm355x_chip_data, cdev_indicator);
+
+	chip->br_indicator = brightness;
+	schedule_work(&chip->work_indicator);
+}
+
+/* indicator pattern only for lm3556*/
+static ssize_t lm3556_indicator_pattern_store(struct device *dev,
+					      struct device_attribute *devAttr,
+					      const char *buf, size_t size)
+{
+	ssize_t ret;
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct lm355x_chip_data *chip =
+	    container_of(led_cdev, struct lm355x_chip_data, cdev_indicator);
+	unsigned int state;
+
+	ret = kstrtouint(buf, 10, &state);
+	if (ret)
+		goto out;
+	if (state > INDIC_PATTERN_SIZE - 1)
+		state = INDIC_PATTERN_SIZE - 1;
+
+	ret = regmap_write(chip->regmap, 0x04,
+			   indicator_pattern[state].blinking);
+	if (ret < 0)
+		goto out;
+
+	ret = regmap_write(chip->regmap, 0x05,
+			   indicator_pattern[state].period_cnt);
+	if (ret < 0)
+		goto out;
+
+	return size;
+out:
+	dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
+	return size;
+}
+
+static DEVICE_ATTR(pattern, 0666, NULL, lm3556_indicator_pattern_store);
+
+static const struct regmap_config lm355x_regmap = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = 0xFF,
+};
+
+/* module initialize */
+static int __devinit lm355x_probe(struct i2c_client *client,
+				  const struct i2c_device_id *id)
+{
+	struct lm355x_platform_data *pdata = client->dev.platform_data;
+	struct lm355x_chip_data *chip;
+
+	int err;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+		dev_err(&client->dev, "i2c functionality check fail.\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (pdata == NULL) {
+		dev_err(&client->dev, "needs Platform Data.\n");
+		return -ENODATA;
+	}
+
+	chip = devm_kzalloc(&client->dev,
+			    sizeof(struct lm355x_chip_data), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	chip->dev = &client->dev;
+	chip->type = id->driver_data;
+	switch (id->driver_data) {
+	case CHIP_LM3554:
+		chip->regs = lm3554_regs;
+		break;
+	case CHIP_LM3556:
+		chip->regs = lm3556_regs;
+		break;
+	default:
+		return -ENOSYS;
+	}
+	chip->pdata = pdata;
+
+	chip->regmap = devm_regmap_init_i2c(client, &lm355x_regmap);
+	if (IS_ERR(chip->regmap)) {
+		err = PTR_ERR(chip->regmap);
+		dev_err(&client->dev,
+			"Failed to allocate register map: %d\n", err);
+		return err;
+	}
+
+	mutex_init(&chip->lock);
+	i2c_set_clientdata(client, chip);
+
+	err = lm355x_chip_init(chip);
+	if (err < 0)
+		goto err_out;
+
+	/* flash */
+	INIT_WORK(&chip->work_flash, lm355x_deferred_strobe_brightness_set);
+	chip->cdev_flash.name = "flash";
+	chip->cdev_flash.max_brightness = 16;
+	chip->cdev_flash.brightness_set = lm355x_strobe_brightness_set;
+	err = led_classdev_register((struct device *)
+				    &client->dev, &chip->cdev_flash);
+	if (err < 0)
+		goto err_out;
+	/* torch */
+	INIT_WORK(&chip->work_torch, lm355x_deferred_torch_brightness_set);
+	chip->cdev_torch.name = "torch";
+	chip->cdev_torch.max_brightness = 8;
+	chip->cdev_torch.brightness_set = lm355x_torch_brightness_set;
+	err = led_classdev_register((struct device *)
+				    &client->dev, &chip->cdev_torch);
+	if (err < 0)
+		goto err_create_torch_file;
+	/* indicator */
+	INIT_WORK(&chip->work_indicator,
+		  lm355x_deferred_indicator_brightness_set);
+	chip->cdev_indicator.name = "indicator";
+	if (id->driver_data == CHIP_LM3554)
+		chip->cdev_indicator.max_brightness = 4;
+	else
+		chip->cdev_indicator.max_brightness = 8;
+	chip->cdev_indicator.brightness_set = lm355x_indicator_brightness_set;
+	err = led_classdev_register((struct device *)
+				    &client->dev, &chip->cdev_indicator);
+	if (err < 0)
+		goto err_create_indicator_file;
+	/* indicator pattern control only for LM3554 */
+	if (id->driver_data == CHIP_LM3556) {
+		err =
+		    device_create_file(chip->cdev_indicator.dev,
+				       &dev_attr_pattern);
+		if (err < 0)
+			goto err_create_pattern_file;
+	}
+
+	dev_info(&client->dev, "%s is initialized\n",
+		 lm355x_name[id->driver_data]);
+	return 0;
+
+err_create_pattern_file:
+	led_classdev_unregister(&chip->cdev_indicator);
+err_create_indicator_file:
+	led_classdev_unregister(&chip->cdev_torch);
+err_create_torch_file:
+	led_classdev_unregister(&chip->cdev_flash);
+err_out:
+	return err;
+}
+
+static int __devexit lm355x_remove(struct i2c_client *client)
+{
+	struct lm355x_chip_data *chip = i2c_get_clientdata(client);
+	struct lm355x_reg_data *preg = chip->regs;
+
+	regmap_write(chip->regmap, preg[REG_OPMODE].regno, 0);
+	if (chip->type == CHIP_LM3556)
+		device_remove_file(chip->cdev_indicator.dev, &dev_attr_pattern);
+	led_classdev_unregister(&chip->cdev_indicator);
+	flush_work(&chip->work_indicator);
+	led_classdev_unregister(&chip->cdev_torch);
+	flush_work(&chip->work_torch);
+	led_classdev_unregister(&chip->cdev_flash);
+	flush_work(&chip->work_flash);
+	dev_info(&client->dev, "%s is removed\n", lm355x_name[chip->type]);
+
+	return 0;
+}
+
+static const struct i2c_device_id lm355x_id[] = {
+	{LM3554_NAME, CHIP_LM3554},
+	{LM3556_NAME, CHIP_LM3556},
+	{}
+};
+
+MODULE_DEVICE_TABLE(i2c, lm355x_id);
+
+static struct i2c_driver lm355x_i2c_driver = {
+	.driver = {
+		   .name = LM355x_NAME,
+		   .owner = THIS_MODULE,
+		   .pm = NULL,
+		   },
+	.probe = lm355x_probe,
+	.remove = __devexit_p(lm355x_remove),
+	.id_table = lm355x_id,
+};
+
+module_i2c_driver(lm355x_i2c_driver);
+
+MODULE_DESCRIPTION("Texas Instruments Flash Lighting driver for LM355x");
+MODULE_AUTHOR("Daniel Jeong <daniel.jeong@ti.com>");
+MODULE_AUTHOR("G.Shark Jeong <gshark.jeong@gmail.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-lm3642.c b/drivers/leds/leds-lm3642.c
new file mode 100644
index 00000000000..3285006e988
--- /dev/null
+++ b/drivers/leds/leds-lm3642.c
@@ -0,0 +1,462 @@
+/*
+* Simple driver for Texas Instruments LM3642 LED Flash driver chip
+* Copyright (C) 2012 Texas Instruments
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+*/
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/fs.h>
+#include <linux/regmap.h>
+#include <linux/workqueue.h>
+#include <linux/platform_data/leds-lm3642.h>
+
+#define	REG_FILT_TIME			(0x0)
+#define	REG_IVFM_MODE			(0x1)
+#define	REG_TORCH_TIME			(0x6)
+#define	REG_FLASH			(0x8)
+#define	REG_I_CTRL			(0x9)
+#define	REG_ENABLE			(0xA)
+#define	REG_FLAG			(0xB)
+#define	REG_MAX				(0xB)
+
+#define	UVLO_EN_SHIFT			(7)
+#define	IVM_D_TH_SHIFT			(2)
+#define	TORCH_RAMP_UP_TIME_SHIFT	(3)
+#define	TORCH_RAMP_DN_TIME_SHIFT	(0)
+#define	INDUCTOR_I_LIMIT_SHIFT		(6)
+#define	FLASH_RAMP_TIME_SHIFT		(3)
+#define	FLASH_TOUT_TIME_SHIFT		(0)
+#define	TORCH_I_SHIFT			(4)
+#define	FLASH_I_SHIFT			(0)
+#define	IVFM_SHIFT			(7)
+#define	TX_PIN_EN_SHIFT			(6)
+#define	STROBE_PIN_EN_SHIFT		(5)
+#define	TORCH_PIN_EN_SHIFT		(4)
+#define	MODE_BITS_SHIFT			(0)
+
+#define	UVLO_EN_MASK			(0x1)
+#define	IVM_D_TH_MASK			(0x7)
+#define	TORCH_RAMP_UP_TIME_MASK		(0x7)
+#define	TORCH_RAMP_DN_TIME_MASK		(0x7)
+#define	INDUCTOR_I_LIMIT_MASK		(0x1)
+#define	FLASH_RAMP_TIME_MASK		(0x7)
+#define	FLASH_TOUT_TIME_MASK		(0x7)
+#define	TORCH_I_MASK			(0x7)
+#define	FLASH_I_MASK			(0xF)
+#define	IVFM_MASK			(0x1)
+#define	TX_PIN_EN_MASK			(0x1)
+#define	STROBE_PIN_EN_MASK		(0x1)
+#define	TORCH_PIN_EN_MASK		(0x1)
+#define	MODE_BITS_MASK			(0x73)
+#define EX_PIN_CONTROL_MASK		(0x71)
+#define EX_PIN_ENABLE_MASK		(0x70)
+
+enum lm3642_mode {
+	MODES_STASNDBY = 0,
+	MODES_INDIC,
+	MODES_TORCH,
+	MODES_FLASH
+};
+
+struct lm3642_chip_data {
+	struct device *dev;
+
+	struct led_classdev cdev_flash;
+	struct led_classdev cdev_torch;
+	struct led_classdev cdev_indicator;
+
+	struct work_struct work_flash;
+	struct work_struct work_torch;
+	struct work_struct work_indicator;
+
+	u8 br_flash;
+	u8 br_torch;
+	u8 br_indicator;
+
+	enum lm3642_torch_pin_enable torch_pin;
+	enum lm3642_strobe_pin_enable strobe_pin;
+	enum lm3642_tx_pin_enable tx_pin;
+
+	struct lm3642_platform_data *pdata;
+	struct regmap *regmap;
+	struct mutex lock;
+
+	unsigned int last_flag;
+};
+
+/* chip initialize */
+static int __devinit lm3642_chip_init(struct lm3642_chip_data *chip)
+{
+	int ret;
+	struct lm3642_platform_data *pdata = chip->pdata;
+
+	/* set enable register */
+	ret = regmap_update_bits(chip->regmap, REG_ENABLE, EX_PIN_ENABLE_MASK,
+				 pdata->tx_pin);
+	if (ret < 0)
+		dev_err(chip->dev, "Failed to update REG_ENABLE Register\n");
+	return ret;
+}
+
+/* chip control */
+static int lm3642_control(struct lm3642_chip_data *chip,
+			  u8 brightness, enum lm3642_mode opmode)
+{
+	int ret;
+
+	ret = regmap_read(chip->regmap, REG_FLAG, &chip->last_flag);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to read REG_FLAG Register\n");
+		goto out;
+	}
+
+	if (chip->last_flag)
+		dev_info(chip->dev, "Last FLAG is 0x%x\n", chip->last_flag);
+
+	/* brightness 0 means off-state */
+	if (!brightness)
+		opmode = MODES_STASNDBY;
+
+	switch (opmode) {
+	case MODES_TORCH:
+		ret = regmap_update_bits(chip->regmap, REG_I_CTRL,
+					 TORCH_I_MASK << TORCH_I_SHIFT,
+					 (brightness - 1) << TORCH_I_SHIFT);
+
+		if (chip->torch_pin)
+			opmode |= (TORCH_PIN_EN_MASK << TORCH_PIN_EN_SHIFT);
+		break;
+
+	case MODES_FLASH:
+		ret = regmap_update_bits(chip->regmap, REG_I_CTRL,
+					 FLASH_I_MASK << FLASH_I_SHIFT,
+					 (brightness - 1) << FLASH_I_SHIFT);
+
+		if (chip->strobe_pin)
+			opmode |= (STROBE_PIN_EN_MASK << STROBE_PIN_EN_SHIFT);
+		break;
+
+	case MODES_INDIC:
+		ret = regmap_update_bits(chip->regmap, REG_I_CTRL,
+					 TORCH_I_MASK << TORCH_I_SHIFT,
+					 (brightness - 1) << TORCH_I_SHIFT);
+		break;
+
+	case MODES_STASNDBY:
+
+		break;
+
+	default:
+		return ret;
+	}
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to write REG_I_CTRL Register\n");
+		goto out;
+	}
+
+	if (chip->tx_pin)
+		opmode |= (TX_PIN_EN_MASK << TX_PIN_EN_SHIFT);
+
+	ret = regmap_update_bits(chip->regmap, REG_ENABLE,
+				 MODE_BITS_MASK << MODE_BITS_SHIFT,
+				 opmode << MODE_BITS_SHIFT);
+out:
+	return ret;
+}
+
+/* torch */
+
+/* torch pin config for lm3642*/
+static ssize_t lm3642_torch_pin_store(struct device *dev,
+				      struct device_attribute *devAttr,
+				      const char *buf, size_t size)
+{
+	ssize_t ret;
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct lm3642_chip_data *chip =
+	    container_of(led_cdev, struct lm3642_chip_data, cdev_indicator);
+	unsigned int state;
+
+	ret = kstrtouint(buf, 10, &state);
+	if (ret)
+		goto out_strtoint;
+	if (state != 0)
+		state = 0x01 << TORCH_PIN_EN_SHIFT;
+
+	chip->torch_pin = state;
+	ret = regmap_update_bits(chip->regmap, REG_ENABLE,
+				 TORCH_PIN_EN_MASK << TORCH_PIN_EN_SHIFT,
+				 state);
+	if (ret < 0)
+		goto out;
+
+	return size;
+out:
+	dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
+	return size;
+out_strtoint:
+	dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
+	return size;
+}
+
+static DEVICE_ATTR(torch_pin, 0666, NULL, lm3642_torch_pin_store);
+
+static void lm3642_deferred_torch_brightness_set(struct work_struct *work)
+{
+	struct lm3642_chip_data *chip =
+	    container_of(work, struct lm3642_chip_data, work_torch);
+
+	mutex_lock(&chip->lock);
+	lm3642_control(chip, chip->br_torch, MODES_TORCH);
+	mutex_unlock(&chip->lock);
+}
+
+static void lm3642_torch_brightness_set(struct led_classdev *cdev,
+					enum led_brightness brightness)
+{
+	struct lm3642_chip_data *chip =
+	    container_of(cdev, struct lm3642_chip_data, cdev_torch);
+
+	chip->br_torch = brightness;
+	schedule_work(&chip->work_torch);
+}
+
+/* flash */
+
+/* strobe pin config for lm3642*/
+static ssize_t lm3642_strobe_pin_store(struct device *dev,
+				       struct device_attribute *devAttr,
+				       const char *buf, size_t size)
+{
+	ssize_t ret;
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct lm3642_chip_data *chip =
+	    container_of(led_cdev, struct lm3642_chip_data, cdev_indicator);
+	unsigned int state;
+
+	ret = kstrtouint(buf, 10, &state);
+	if (ret)
+		goto out_strtoint;
+	if (state != 0)
+		state = 0x01 << STROBE_PIN_EN_SHIFT;
+
+	chip->strobe_pin = state;
+	ret = regmap_update_bits(chip->regmap, REG_ENABLE,
+				 STROBE_PIN_EN_MASK << STROBE_PIN_EN_SHIFT,
+				 state);
+	if (ret < 0)
+		goto out;
+
+	return size;
+out:
+	dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
+	return size;
+out_strtoint:
+	dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
+	return size;
+}
+
+static DEVICE_ATTR(strobe_pin, 0666, NULL, lm3642_strobe_pin_store);
+
+static void lm3642_deferred_strobe_brightness_set(struct work_struct *work)
+{
+	struct lm3642_chip_data *chip =
+	    container_of(work, struct lm3642_chip_data, work_flash);
+
+	mutex_lock(&chip->lock);
+	lm3642_control(chip, chip->br_flash, MODES_FLASH);
+	mutex_unlock(&chip->lock);
+}
+
+static void lm3642_strobe_brightness_set(struct led_classdev *cdev,
+					 enum led_brightness brightness)
+{
+	struct lm3642_chip_data *chip =
+	    container_of(cdev, struct lm3642_chip_data, cdev_flash);
+
+	chip->br_flash = brightness;
+	schedule_work(&chip->work_flash);
+}
+
+/* indicator */
+static void lm3642_deferred_indicator_brightness_set(struct work_struct *work)
+{
+	struct lm3642_chip_data *chip =
+	    container_of(work, struct lm3642_chip_data, work_indicator);
+
+	mutex_lock(&chip->lock);
+	lm3642_control(chip, chip->br_indicator, MODES_INDIC);
+	mutex_unlock(&chip->lock);
+}
+
+static void lm3642_indicator_brightness_set(struct led_classdev *cdev,
+					    enum led_brightness brightness)
+{
+	struct lm3642_chip_data *chip =
+	    container_of(cdev, struct lm3642_chip_data, cdev_indicator);
+
+	chip->br_indicator = brightness;
+	schedule_work(&chip->work_indicator);
+}
+
+static const struct regmap_config lm3642_regmap = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = REG_MAX,
+};
+
+static int __devinit lm3642_probe(struct i2c_client *client,
+				  const struct i2c_device_id *id)
+{
+	struct lm3642_platform_data *pdata = client->dev.platform_data;
+	struct lm3642_chip_data *chip;
+
+	int err;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+		dev_err(&client->dev, "i2c functionality check fail.\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (pdata == NULL) {
+		dev_err(&client->dev, "needs Platform Data.\n");
+		return -ENODATA;
+	}
+
+	chip = devm_kzalloc(&client->dev,
+			    sizeof(struct lm3642_chip_data), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	chip->dev = &client->dev;
+	chip->pdata = pdata;
+
+	chip->tx_pin = pdata->tx_pin;
+	chip->torch_pin = pdata->torch_pin;
+	chip->strobe_pin = pdata->strobe_pin;
+
+	chip->regmap = devm_regmap_init_i2c(client, &lm3642_regmap);
+	if (IS_ERR(chip->regmap)) {
+		err = PTR_ERR(chip->regmap);
+		dev_err(&client->dev, "Failed to allocate register map: %d\n",
+			err);
+		return err;
+	}
+
+	mutex_init(&chip->lock);
+	i2c_set_clientdata(client, chip);
+
+	err = lm3642_chip_init(chip);
+	if (err < 0)
+		goto err_out;
+
+	/* flash */
+	INIT_WORK(&chip->work_flash, lm3642_deferred_strobe_brightness_set);
+	chip->cdev_flash.name = "flash";
+	chip->cdev_flash.max_brightness = 16;
+	chip->cdev_flash.brightness_set = lm3642_strobe_brightness_set;
+	err = led_classdev_register((struct device *)
+				    &client->dev, &chip->cdev_flash);
+	if (err < 0) {
+		dev_err(chip->dev, "failed to register flash\n");
+		goto err_out;
+	}
+	err = device_create_file(chip->cdev_flash.dev, &dev_attr_strobe_pin);
+	if (err < 0) {
+		dev_err(chip->dev, "failed to create strobe-pin file\n");
+		goto err_create_flash_pin_file;
+	}
+
+	/* torch */
+	INIT_WORK(&chip->work_torch, lm3642_deferred_torch_brightness_set);
+	chip->cdev_torch.name = "torch";
+	chip->cdev_torch.max_brightness = 8;
+	chip->cdev_torch.brightness_set = lm3642_torch_brightness_set;
+	err = led_classdev_register((struct device *)
+				    &client->dev, &chip->cdev_torch);
+	if (err < 0) {
+		dev_err(chip->dev, "failed to register torch\n");
+		goto err_create_torch_file;
+	}
+	err = device_create_file(chip->cdev_torch.dev, &dev_attr_torch_pin);
+	if (err < 0) {
+		dev_err(chip->dev, "failed to create torch-pin file\n");
+		goto err_create_torch_pin_file;
+	}
+
+	/* indicator */
+	INIT_WORK(&chip->work_indicator,
+		  lm3642_deferred_indicator_brightness_set);
+	chip->cdev_indicator.name = "indicator";
+	chip->cdev_indicator.max_brightness = 8;
+	chip->cdev_indicator.brightness_set = lm3642_indicator_brightness_set;
+	err = led_classdev_register((struct device *)
+				    &client->dev, &chip->cdev_indicator);
+	if (err < 0) {
+		dev_err(chip->dev, "failed to register indicator\n");
+		goto err_create_indicator_file;
+	}
+
+	dev_info(&client->dev, "LM3642 is initialized\n");
+	return 0;
+
+err_create_indicator_file:
+	device_remove_file(chip->cdev_torch.dev, &dev_attr_torch_pin);
+err_create_torch_pin_file:
+	led_classdev_unregister(&chip->cdev_torch);
+err_create_torch_file:
+	device_remove_file(chip->cdev_flash.dev, &dev_attr_strobe_pin);
+err_create_flash_pin_file:
+	led_classdev_unregister(&chip->cdev_flash);
+err_out:
+	return err;
+}
+
+static int __devexit lm3642_remove(struct i2c_client *client)
+{
+	struct lm3642_chip_data *chip = i2c_get_clientdata(client);
+
+	led_classdev_unregister(&chip->cdev_indicator);
+	flush_work(&chip->work_indicator);
+	device_remove_file(chip->cdev_torch.dev, &dev_attr_torch_pin);
+	led_classdev_unregister(&chip->cdev_torch);
+	flush_work(&chip->work_torch);
+	device_remove_file(chip->cdev_flash.dev, &dev_attr_strobe_pin);
+	led_classdev_unregister(&chip->cdev_flash);
+	flush_work(&chip->work_flash);
+	regmap_write(chip->regmap, REG_ENABLE, 0);
+	return 0;
+}
+
+static const struct i2c_device_id lm3642_id[] = {
+	{LM3642_NAME, 0},
+	{}
+};
+
+MODULE_DEVICE_TABLE(i2c, lm3642_id);
+
+static struct i2c_driver lm3642_i2c_driver = {
+	.driver = {
+		   .name = LM3642_NAME,
+		   .owner = THIS_MODULE,
+		   .pm = NULL,
+		   },
+	.probe = lm3642_probe,
+	.remove = __devexit_p(lm3642_remove),
+	.id_table = lm3642_id,
+};
+
+module_i2c_driver(lm3642_i2c_driver);
+
+MODULE_DESCRIPTION("Texas Instruments Flash Lighting driver for LM3642");
+MODULE_AUTHOR("Daniel Jeong <daniel.jeong@ti.com>");
+MODULE_AUTHOR("G.Shark Jeong <gshark.jeong@gmail.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index fbc12acada9..97994ffdc01 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -104,6 +104,11 @@
 #define LED_ACTIVE(mux, led)		(!!(mux & (0x0001 << led)))
 #define SHIFT_MASK(id)			(((id) - 1) * 2)
 
+enum lp5523_chip_id {
+	LP5523,
+	LP55231,
+};
+
 struct lp5523_engine {
 	int		id;
 	u8		mode;
@@ -150,7 +155,7 @@ static inline struct lp5523_chip *led_to_lp5523(struct lp5523_led *led)
 			    leds[led->id]);
 }
 
-static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode);
+static void lp5523_set_mode(struct lp5523_engine *engine, u8 mode);
 static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode);
 static int lp5523_load_program(struct lp5523_engine *engine, const u8 *pattern);
 
@@ -177,7 +182,7 @@ static int lp5523_detect(struct i2c_client *client)
 	int ret;
 	u8 buf;
 
-	ret = lp5523_write(client, LP5523_REG_ENABLE, 0x40);
+	ret = lp5523_write(client, LP5523_REG_ENABLE, LP5523_ENABLE);
 	if (ret)
 		return ret;
 	ret = lp5523_read(client, LP5523_REG_ENABLE, &buf);
@@ -338,7 +343,8 @@ static int lp5523_mux_parse(const char *buf, u16 *mux, size_t len)
 {
 	int i;
 	u16 tmp_mux = 0;
-	len = len < LP5523_LEDS ? len : LP5523_LEDS;
+
+	len = min_t(int, len, LP5523_LEDS);
 	for (i = 0; i < len; i++) {
 		switch (buf[i]) {
 		case '1':
@@ -546,6 +552,9 @@ static int lp5523_do_store_load(struct lp5523_engine *engine,
 	unsigned cmd;
 	u8 pattern[LP5523_PROGRAM_LENGTH] = {0};
 
+	if (engine->mode != LP5523_CMD_LOAD)
+		return -EINVAL;
+
 	while ((offset < len - 1) && (i < LP5523_PROGRAM_LENGTH)) {
 		/* separate sscanfs because length is working only for %s */
 		ret = sscanf(buf + offset, "%2s%n ", c, &nrchars);
@@ -563,12 +572,7 @@ static int lp5523_do_store_load(struct lp5523_engine *engine,
 		goto fail;
 
 	mutex_lock(&chip->lock);
-
-	if (engine->mode == LP5523_CMD_LOAD)
-		ret = lp5523_load_program(engine, pattern);
-	else
-		ret = -EINVAL;
-
+	ret = lp5523_load_program(engine, pattern);
 	mutex_unlock(&chip->lock);
 
 	if (ret) {
@@ -755,6 +759,7 @@ static struct attribute *lp5523_attributes[] = {
 	&dev_attr_engine2_leds.attr,
 	&dev_attr_engine3_load.attr,
 	&dev_attr_engine3_leds.attr,
+	NULL,
 };
 
 static const struct attribute_group lp5523_group = {
@@ -789,26 +794,28 @@ static void lp5523_unregister_sysfs(struct i2c_client *client)
 /*--------------------------------------------------------------*/
 /*			Set chip operating mode			*/
 /*--------------------------------------------------------------*/
-static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode)
+static void lp5523_set_mode(struct lp5523_engine *engine, u8 mode)
 {
-	int ret = 0;
-
 	/* if in that mode already do nothing, except for run */
 	if (mode == engine->mode && mode != LP5523_CMD_RUN)
-		return 0;
+		return;
 
-	if (mode == LP5523_CMD_RUN) {
-		ret = lp5523_run_program(engine);
-	} else if (mode == LP5523_CMD_LOAD) {
+	switch (mode) {
+	case LP5523_CMD_RUN:
+		lp5523_run_program(engine);
+		break;
+	case LP5523_CMD_LOAD:
 		lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED);
 		lp5523_set_engine_mode(engine, LP5523_CMD_LOAD);
-	} else if (mode == LP5523_CMD_DISABLED) {
+		break;
+	case LP5523_CMD_DISABLED:
 		lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED);
+		break;
+	default:
+		return;
 	}
 
 	engine->mode = mode;
-
-	return ret;
 }
 
 /*--------------------------------------------------------------*/
@@ -827,7 +834,8 @@ static int __init lp5523_init_engine(struct lp5523_engine *engine, int id)
 }
 
 static int __devinit lp5523_init_led(struct lp5523_led *led, struct device *dev,
-			   int chan, struct lp5523_platform_data *pdata)
+			   int chan, struct lp5523_platform_data *pdata,
+			   const char *chip_name)
 {
 	char name[32];
 	int res;
@@ -846,10 +854,14 @@ static int __devinit lp5523_init_led(struct lp5523_led *led, struct device *dev,
 			return -EINVAL;
 		}
 
-		snprintf(name, sizeof(name), "%s:channel%d",
-			pdata->label ?: "lp5523", chan);
+		if (pdata->led_config[chan].name) {
+			led->cdev.name = pdata->led_config[chan].name;
+		} else {
+			snprintf(name, sizeof(name), "%s:channel%d",
+				pdata->label ? : chip_name, chan);
+			led->cdev.name = name;
+		}
 
-		led->cdev.name = name;
 		led->cdev.brightness_set = lp5523_set_brightness;
 		res = led_classdev_register(dev, &led->cdev);
 		if (res < 0) {
@@ -917,7 +929,7 @@ static int __devinit lp5523_probe(struct i2c_client *client,
 	if (ret)
 		goto fail1;
 
-	dev_info(&client->dev, "LP5523 Programmable led chip found\n");
+	dev_info(&client->dev, "%s Programmable led chip found\n", id->name);
 
 	/* Initialize engines */
 	for (i = 0; i < ARRAY_SIZE(chip->engines); i++) {
@@ -945,7 +957,8 @@ static int __devinit lp5523_probe(struct i2c_client *client,
 		INIT_WORK(&chip->leds[led].brightness_work,
 			lp5523_led_brightness_work);
 
-		ret = lp5523_init_led(&chip->leds[led], &client->dev, i, pdata);
+		ret = lp5523_init_led(&chip->leds[led], &client->dev, i, pdata,
+				id->name);
 		if (ret) {
 			dev_err(&client->dev, "error initializing leds\n");
 			goto fail2;
@@ -970,7 +983,7 @@ static int __devinit lp5523_probe(struct i2c_client *client,
 fail2:
 	for (i = 0; i < chip->num_leds; i++) {
 		led_classdev_unregister(&chip->leds[i].cdev);
-		cancel_work_sync(&chip->leds[i].brightness_work);
+		flush_work(&chip->leds[i].brightness_work);
 	}
 fail1:
 	if (pdata->enable)
@@ -985,11 +998,14 @@ static int lp5523_remove(struct i2c_client *client)
 	struct lp5523_chip *chip = i2c_get_clientdata(client);
 	int i;
 
+	/* Disable engine mode */
+	lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_DISABLED);
+
 	lp5523_unregister_sysfs(client);
 
 	for (i = 0; i < chip->num_leds; i++) {
 		led_classdev_unregister(&chip->leds[i].cdev);
-		cancel_work_sync(&chip->leds[i].brightness_work);
+		flush_work(&chip->leds[i].brightness_work);
 	}
 
 	if (chip->pdata->enable)
@@ -1000,7 +1016,8 @@ static int lp5523_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id lp5523_id[] = {
-	{ "lp5523", 0 },
+	{ "lp5523",  LP5523 },
+	{ "lp55231", LP55231 },
 	{ }
 };
 
@@ -1008,7 +1025,7 @@ MODULE_DEVICE_TABLE(i2c, lp5523_id);
 
 static struct i2c_driver lp5523_driver = {
 	.driver = {
-		.name	= "lp5523",
+		.name	= "lp5523x",
 	},
 	.probe		= lp5523_probe,
 	.remove		= lp5523_remove,
diff --git a/drivers/leds/leds-pca9633.c b/drivers/leds/leds-pca9633.c
index edcd706c563..2f2f9c43535 100644
--- a/drivers/leds/leds-pca9633.c
+++ b/drivers/leds/leds-pca9633.c
@@ -22,6 +22,7 @@
 #include <linux/i2c.h>
 #include <linux/workqueue.h>
 #include <linux/slab.h>
+#include <linux/platform_data/leds-pca9633.h>
 
 /* LED select registers determine the source that drives LED outputs */
 #define PCA9633_LED_OFF		0x0	/* LED driver off */
@@ -96,13 +97,13 @@ static int __devinit pca9633_probe(struct i2c_client *client,
 					const struct i2c_device_id *id)
 {
 	struct pca9633_led *pca9633;
-	struct led_platform_data *pdata;
+	struct pca9633_platform_data *pdata;
 	int i, err;
 
 	pdata = client->dev.platform_data;
 
 	if (pdata) {
-		if (pdata->num_leds <= 0 || pdata->num_leds > 4) {
+		if (pdata->leds.num_leds <= 0 || pdata->leds.num_leds > 4) {
 			dev_err(&client->dev, "board info must claim at most 4 LEDs");
 			return -EINVAL;
 		}
@@ -119,14 +120,14 @@ static int __devinit pca9633_probe(struct i2c_client *client,
 		pca9633[i].led_num = i;
 
 		/* Platform data can specify LED names and default triggers */
-		if (pdata && i < pdata->num_leds) {
-			if (pdata->leds[i].name)
+		if (pdata && i < pdata->leds.num_leds) {
+			if (pdata->leds.leds[i].name)
 				snprintf(pca9633[i].name,
 					 sizeof(pca9633[i].name), "pca9633:%s",
-					 pdata->leds[i].name);
-			if (pdata->leds[i].default_trigger)
+					 pdata->leds.leds[i].name);
+			if (pdata->leds.leds[i].default_trigger)
 				pca9633[i].led_cdev.default_trigger =
-					pdata->leds[i].default_trigger;
+					pdata->leds.leds[i].default_trigger;
 		} else {
 			snprintf(pca9633[i].name, sizeof(pca9633[i].name),
 				 "pca9633:%d", i);
@@ -145,6 +146,10 @@ static int __devinit pca9633_probe(struct i2c_client *client,
 	/* Disable LED all-call address and set normal mode */
 	i2c_smbus_write_byte_data(client, PCA9633_MODE1, 0x00);
 
+	/* Configure output: open-drain or totem pole (push-pull) */
+	if (pdata && pdata->outdrv == PCA9633_OPEN_DRAIN)
+		i2c_smbus_write_byte_data(client, PCA9633_MODE2, 0x01);
+
 	/* Turn off LEDs */
 	i2c_smbus_write_byte_data(client, PCA9633_LEDOUT, 0x00);
 
diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index 4c62113f7a7..88f23f84559 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -201,7 +201,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
 	struct regulator *isink, *dcdc;
 	struct wm8350_led *led;
 	struct wm8350_led_platform_data *pdata = pdev->dev.platform_data;
-	int ret, i;
+	int i;
 
 	if (pdata == NULL) {
 		dev_err(&pdev->dev, "no platform data\n");
@@ -214,24 +214,21 @@ static int wm8350_led_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	isink = regulator_get(&pdev->dev, "led_isink");
+	isink = devm_regulator_get(&pdev->dev, "led_isink");
 	if (IS_ERR(isink)) {
 		printk(KERN_ERR "%s: can't get ISINK\n", __func__);
 		return PTR_ERR(isink);
 	}
 
-	dcdc = regulator_get(&pdev->dev, "led_vcc");
+	dcdc = devm_regulator_get(&pdev->dev, "led_vcc");
 	if (IS_ERR(dcdc)) {
 		printk(KERN_ERR "%s: can't get DCDC\n", __func__);
-		ret = PTR_ERR(dcdc);
-		goto err_isink;
+		return PTR_ERR(dcdc);
 	}
 
 	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
-	if (led == NULL) {
-		ret = -ENOMEM;
-		goto err_dcdc;
-	}
+	if (led == NULL)
+		return -ENOMEM;
 
 	led->cdev.brightness_set = wm8350_led_set;
 	led->cdev.default_trigger = pdata->default_trigger;
@@ -257,17 +254,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
 	led->value = LED_OFF;
 	platform_set_drvdata(pdev, led);
 
-	ret = led_classdev_register(&pdev->dev, &led->cdev);
-	if (ret < 0)
-		goto err_dcdc;
-
-	return 0;
-
- err_dcdc:
-	regulator_put(dcdc);
- err_isink:
-	regulator_put(isink);
-	return ret;
+	return led_classdev_register(&pdev->dev, &led->cdev);
 }
 
 static int wm8350_led_remove(struct platform_device *pdev)
@@ -277,8 +264,6 @@ static int wm8350_led_remove(struct platform_device *pdev)
 	led_classdev_unregister(&led->cdev);
 	flush_work(&led->work);
 	wm8350_led_disable(led);
-	regulator_put(led->dcdc);
-	regulator_put(led->isink);
 	return 0;
 }
 
diff --git a/drivers/leds/leds.h b/drivers/leds/leds.h
index d02acd49612..4c50365344a 100644
--- a/drivers/leds/leds.h
+++ b/drivers/leds/leds.h
@@ -32,6 +32,8 @@ static inline int led_get_brightness(struct led_classdev *led_cdev)
 	return led_cdev->brightness;
 }
 
+void led_stop_software_blink(struct led_classdev *led_cdev);
+
 extern struct rw_semaphore leds_list_lock;
 extern struct list_head leds_list;
 
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index d949b781f6f..91a02eeeb31 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -216,6 +216,13 @@ config DM_BUFIO
 	 as a cache, holding recently-read blocks in memory and performing
 	 delayed writes.
 
+config DM_BIO_PRISON
+       tristate
+       depends on BLK_DEV_DM && EXPERIMENTAL
+       ---help---
+	 Some bio locking schemes used by other device-mapper targets
+	 including thin provisioning.
+
 source "drivers/md/persistent-data/Kconfig"
 
 config DM_CRYPT
@@ -247,6 +254,7 @@ config DM_THIN_PROVISIONING
        tristate "Thin provisioning target (EXPERIMENTAL)"
        depends on BLK_DEV_DM && EXPERIMENTAL
        select DM_PERSISTENT_DATA
+       select DM_BIO_PRISON
        ---help---
          Provides thin provisioning and snapshots that share a data store.
 
diff --git a/drivers/md/Makefile b/drivers/md/Makefile
index 8b2e0dffe82..94dce8b4932 100644
--- a/drivers/md/Makefile
+++ b/drivers/md/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_MD_FAULTY)		+= faulty.o
 obj-$(CONFIG_BLK_DEV_MD)	+= md-mod.o
 obj-$(CONFIG_BLK_DEV_DM)	+= dm-mod.o
 obj-$(CONFIG_DM_BUFIO)		+= dm-bufio.o
+obj-$(CONFIG_DM_BIO_PRISON)	+= dm-bio-prison.o
 obj-$(CONFIG_DM_CRYPT)		+= dm-crypt.o
 obj-$(CONFIG_DM_DELAY)		+= dm-delay.o
 obj-$(CONFIG_DM_FLAKEY)		+= dm-flakey.o
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 94e7f6ba2e1..7155945f8eb 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -163,20 +163,17 @@ static struct md_rdev *next_active_rdev(struct md_rdev *rdev, struct mddev *mdde
 	 * As devices are only added or removed when raid_disk is < 0 and
 	 * nr_pending is 0 and In_sync is clear, the entries we return will
 	 * still be in the same position on the list when we re-enter
-	 * list_for_each_continue_rcu.
+	 * list_for_each_entry_continue_rcu.
 	 */
-	struct list_head *pos;
 	rcu_read_lock();
 	if (rdev == NULL)
 		/* start at the beginning */
-		pos = &mddev->disks;
+		rdev = list_entry_rcu(&mddev->disks, struct md_rdev, same_set);
 	else {
 		/* release the previous rdev and start from there. */
 		rdev_dec_pending(rdev, mddev);
-		pos = &rdev->same_set;
 	}
-	list_for_each_continue_rcu(pos, &mddev->disks) {
-		rdev = list_entry(pos, struct md_rdev, same_set);
+	list_for_each_entry_continue_rcu(rdev, &mddev->disks, same_set) {
 		if (rdev->raid_disk >= 0 &&
 		    !test_bit(Faulty, &rdev->flags)) {
 			/* this is a usable devices */
@@ -473,14 +470,10 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
 {
 	bitmap_super_t *sb;
 	unsigned long chunksize, daemon_sleep, write_behind;
-	int err = -EINVAL;
 
 	bitmap->storage.sb_page = alloc_page(GFP_KERNEL);
-	if (IS_ERR(bitmap->storage.sb_page)) {
-		err = PTR_ERR(bitmap->storage.sb_page);
-		bitmap->storage.sb_page = NULL;
-		return err;
-	}
+	if (bitmap->storage.sb_page == NULL)
+		return -ENOMEM;
 	bitmap->storage.sb_page->index = 0;
 
 	sb = kmap_atomic(bitmap->storage.sb_page);
diff --git a/drivers/md/dm-bio-prison.c b/drivers/md/dm-bio-prison.c
new file mode 100644
index 00000000000..e4e84156745
--- /dev/null
+++ b/drivers/md/dm-bio-prison.c
@@ -0,0 +1,415 @@
+/*
+ * Copyright (C) 2012 Red Hat, Inc.
+ *
+ * This file is released under the GPL.
+ */
+
+#include "dm.h"
+#include "dm-bio-prison.h"
+
+#include <linux/spinlock.h>
+#include <linux/mempool.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+/*----------------------------------------------------------------*/
+
+struct dm_bio_prison_cell {
+	struct hlist_node list;
+	struct dm_bio_prison *prison;
+	struct dm_cell_key key;
+	struct bio *holder;
+	struct bio_list bios;
+};
+
+struct dm_bio_prison {
+	spinlock_t lock;
+	mempool_t *cell_pool;
+
+	unsigned nr_buckets;
+	unsigned hash_mask;
+	struct hlist_head *cells;
+};
+
+/*----------------------------------------------------------------*/
+
+static uint32_t calc_nr_buckets(unsigned nr_cells)
+{
+	uint32_t n = 128;
+
+	nr_cells /= 4;
+	nr_cells = min(nr_cells, 8192u);
+
+	while (n < nr_cells)
+		n <<= 1;
+
+	return n;
+}
+
+static struct kmem_cache *_cell_cache;
+
+/*
+ * @nr_cells should be the number of cells you want in use _concurrently_.
+ * Don't confuse it with the number of distinct keys.
+ */
+struct dm_bio_prison *dm_bio_prison_create(unsigned nr_cells)
+{
+	unsigned i;
+	uint32_t nr_buckets = calc_nr_buckets(nr_cells);
+	size_t len = sizeof(struct dm_bio_prison) +
+		(sizeof(struct hlist_head) * nr_buckets);
+	struct dm_bio_prison *prison = kmalloc(len, GFP_KERNEL);
+
+	if (!prison)
+		return NULL;
+
+	spin_lock_init(&prison->lock);
+	prison->cell_pool = mempool_create_slab_pool(nr_cells, _cell_cache);
+	if (!prison->cell_pool) {
+		kfree(prison);
+		return NULL;
+	}
+
+	prison->nr_buckets = nr_buckets;
+	prison->hash_mask = nr_buckets - 1;
+	prison->cells = (struct hlist_head *) (prison + 1);
+	for (i = 0; i < nr_buckets; i++)
+		INIT_HLIST_HEAD(prison->cells + i);
+
+	return prison;
+}
+EXPORT_SYMBOL_GPL(dm_bio_prison_create);
+
+void dm_bio_prison_destroy(struct dm_bio_prison *prison)
+{
+	mempool_destroy(prison->cell_pool);
+	kfree(prison);
+}
+EXPORT_SYMBOL_GPL(dm_bio_prison_destroy);
+
+static uint32_t hash_key(struct dm_bio_prison *prison, struct dm_cell_key *key)
+{
+	const unsigned long BIG_PRIME = 4294967291UL;
+	uint64_t hash = key->block * BIG_PRIME;
+
+	return (uint32_t) (hash & prison->hash_mask);
+}
+
+static int keys_equal(struct dm_cell_key *lhs, struct dm_cell_key *rhs)
+{
+	       return (lhs->virtual == rhs->virtual) &&
+		       (lhs->dev == rhs->dev) &&
+		       (lhs->block == rhs->block);
+}
+
+static struct dm_bio_prison_cell *__search_bucket(struct hlist_head *bucket,
+						  struct dm_cell_key *key)
+{
+	struct dm_bio_prison_cell *cell;
+	struct hlist_node *tmp;
+
+	hlist_for_each_entry(cell, tmp, bucket, list)
+		if (keys_equal(&cell->key, key))
+			return cell;
+
+	return NULL;
+}
+
+/*
+ * This may block if a new cell needs allocating.  You must ensure that
+ * cells will be unlocked even if the calling thread is blocked.
+ *
+ * Returns 1 if the cell was already held, 0 if @inmate is the new holder.
+ */
+int dm_bio_detain(struct dm_bio_prison *prison, struct dm_cell_key *key,
+		  struct bio *inmate, struct dm_bio_prison_cell **ref)
+{
+	int r = 1;
+	unsigned long flags;
+	uint32_t hash = hash_key(prison, key);
+	struct dm_bio_prison_cell *cell, *cell2;
+
+	BUG_ON(hash > prison->nr_buckets);
+
+	spin_lock_irqsave(&prison->lock, flags);
+
+	cell = __search_bucket(prison->cells + hash, key);
+	if (cell) {
+		bio_list_add(&cell->bios, inmate);
+		goto out;
+	}
+
+	/*
+	 * Allocate a new cell
+	 */
+	spin_unlock_irqrestore(&prison->lock, flags);
+	cell2 = mempool_alloc(prison->cell_pool, GFP_NOIO);
+	spin_lock_irqsave(&prison->lock, flags);
+
+	/*
+	 * We've been unlocked, so we have to double check that
+	 * nobody else has inserted this cell in the meantime.
+	 */
+	cell = __search_bucket(prison->cells + hash, key);
+	if (cell) {
+		mempool_free(cell2, prison->cell_pool);
+		bio_list_add(&cell->bios, inmate);
+		goto out;
+	}
+
+	/*
+	 * Use new cell.
+	 */
+	cell = cell2;
+
+	cell->prison = prison;
+	memcpy(&cell->key, key, sizeof(cell->key));
+	cell->holder = inmate;
+	bio_list_init(&cell->bios);
+	hlist_add_head(&cell->list, prison->cells + hash);
+
+	r = 0;
+
+out:
+	spin_unlock_irqrestore(&prison->lock, flags);
+
+	*ref = cell;
+
+	return r;
+}
+EXPORT_SYMBOL_GPL(dm_bio_detain);
+
+/*
+ * @inmates must have been initialised prior to this call
+ */
+static void __cell_release(struct dm_bio_prison_cell *cell, struct bio_list *inmates)
+{
+	struct dm_bio_prison *prison = cell->prison;
+
+	hlist_del(&cell->list);
+
+	if (inmates) {
+		bio_list_add(inmates, cell->holder);
+		bio_list_merge(inmates, &cell->bios);
+	}
+
+	mempool_free(cell, prison->cell_pool);
+}
+
+void dm_cell_release(struct dm_bio_prison_cell *cell, struct bio_list *bios)
+{
+	unsigned long flags;
+	struct dm_bio_prison *prison = cell->prison;
+
+	spin_lock_irqsave(&prison->lock, flags);
+	__cell_release(cell, bios);
+	spin_unlock_irqrestore(&prison->lock, flags);
+}
+EXPORT_SYMBOL_GPL(dm_cell_release);
+
+/*
+ * There are a couple of places where we put a bio into a cell briefly
+ * before taking it out again.  In these situations we know that no other
+ * bio may be in the cell.  This function releases the cell, and also does
+ * a sanity check.
+ */
+static void __cell_release_singleton(struct dm_bio_prison_cell *cell, struct bio *bio)
+{
+	BUG_ON(cell->holder != bio);
+	BUG_ON(!bio_list_empty(&cell->bios));
+
+	__cell_release(cell, NULL);
+}
+
+void dm_cell_release_singleton(struct dm_bio_prison_cell *cell, struct bio *bio)
+{
+	unsigned long flags;
+	struct dm_bio_prison *prison = cell->prison;
+
+	spin_lock_irqsave(&prison->lock, flags);
+	__cell_release_singleton(cell, bio);
+	spin_unlock_irqrestore(&prison->lock, flags);
+}
+EXPORT_SYMBOL_GPL(dm_cell_release_singleton);
+
+/*
+ * Sometimes we don't want the holder, just the additional bios.
+ */
+static void __cell_release_no_holder(struct dm_bio_prison_cell *cell, struct bio_list *inmates)
+{
+	struct dm_bio_prison *prison = cell->prison;
+
+	hlist_del(&cell->list);
+	bio_list_merge(inmates, &cell->bios);
+
+	mempool_free(cell, prison->cell_pool);
+}
+
+void dm_cell_release_no_holder(struct dm_bio_prison_cell *cell, struct bio_list *inmates)
+{
+	unsigned long flags;
+	struct dm_bio_prison *prison = cell->prison;
+
+	spin_lock_irqsave(&prison->lock, flags);
+	__cell_release_no_holder(cell, inmates);
+	spin_unlock_irqrestore(&prison->lock, flags);
+}
+EXPORT_SYMBOL_GPL(dm_cell_release_no_holder);
+
+void dm_cell_error(struct dm_bio_prison_cell *cell)
+{
+	struct dm_bio_prison *prison = cell->prison;
+	struct bio_list bios;
+	struct bio *bio;
+	unsigned long flags;
+
+	bio_list_init(&bios);
+
+	spin_lock_irqsave(&prison->lock, flags);
+	__cell_release(cell, &bios);
+	spin_unlock_irqrestore(&prison->lock, flags);
+
+	while ((bio = bio_list_pop(&bios)))
+		bio_io_error(bio);
+}
+EXPORT_SYMBOL_GPL(dm_cell_error);
+
+/*----------------------------------------------------------------*/
+
+#define DEFERRED_SET_SIZE 64
+
+struct dm_deferred_entry {
+	struct dm_deferred_set *ds;
+	unsigned count;
+	struct list_head work_items;
+};
+
+struct dm_deferred_set {
+	spinlock_t lock;
+	unsigned current_entry;
+	unsigned sweeper;
+	struct dm_deferred_entry entries[DEFERRED_SET_SIZE];
+};
+
+struct dm_deferred_set *dm_deferred_set_create(void)
+{
+	int i;
+	struct dm_deferred_set *ds;
+
+	ds = kmalloc(sizeof(*ds), GFP_KERNEL);
+	if (!ds)
+		return NULL;
+
+	spin_lock_init(&ds->lock);
+	ds->current_entry = 0;
+	ds->sweeper = 0;
+	for (i = 0; i < DEFERRED_SET_SIZE; i++) {
+		ds->entries[i].ds = ds;
+		ds->entries[i].count = 0;
+		INIT_LIST_HEAD(&ds->entries[i].work_items);
+	}
+
+	return ds;
+}
+EXPORT_SYMBOL_GPL(dm_deferred_set_create);
+
+void dm_deferred_set_destroy(struct dm_deferred_set *ds)
+{
+	kfree(ds);
+}
+EXPORT_SYMBOL_GPL(dm_deferred_set_destroy);
+
+struct dm_deferred_entry *dm_deferred_entry_inc(struct dm_deferred_set *ds)
+{
+	unsigned long flags;
+	struct dm_deferred_entry *entry;
+
+	spin_lock_irqsave(&ds->lock, flags);
+	entry = ds->entries + ds->current_entry;
+	entry->count++;
+	spin_unlock_irqrestore(&ds->lock, flags);
+
+	return entry;
+}
+EXPORT_SYMBOL_GPL(dm_deferred_entry_inc);
+
+static unsigned ds_next(unsigned index)
+{
+	return (index + 1) % DEFERRED_SET_SIZE;
+}
+
+static void __sweep(struct dm_deferred_set *ds, struct list_head *head)
+{
+	while ((ds->sweeper != ds->current_entry) &&
+	       !ds->entries[ds->sweeper].count) {
+		list_splice_init(&ds->entries[ds->sweeper].work_items, head);
+		ds->sweeper = ds_next(ds->sweeper);
+	}
+
+	if ((ds->sweeper == ds->current_entry) && !ds->entries[ds->sweeper].count)
+		list_splice_init(&ds->entries[ds->sweeper].work_items, head);
+}
+
+void dm_deferred_entry_dec(struct dm_deferred_entry *entry, struct list_head *head)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&entry->ds->lock, flags);
+	BUG_ON(!entry->count);
+	--entry->count;
+	__sweep(entry->ds, head);
+	spin_unlock_irqrestore(&entry->ds->lock, flags);
+}
+EXPORT_SYMBOL_GPL(dm_deferred_entry_dec);
+
+/*
+ * Returns 1 if deferred or 0 if no pending items to delay job.
+ */
+int dm_deferred_set_add_work(struct dm_deferred_set *ds, struct list_head *work)
+{
+	int r = 1;
+	unsigned long flags;
+	unsigned next_entry;
+
+	spin_lock_irqsave(&ds->lock, flags);
+	if ((ds->sweeper == ds->current_entry) &&
+	    !ds->entries[ds->current_entry].count)
+		r = 0;
+	else {
+		list_add(work, &ds->entries[ds->current_entry].work_items);
+		next_entry = ds_next(ds->current_entry);
+		if (!ds->entries[next_entry].count)
+			ds->current_entry = next_entry;
+	}
+	spin_unlock_irqrestore(&ds->lock, flags);
+
+	return r;
+}
+EXPORT_SYMBOL_GPL(dm_deferred_set_add_work);
+
+/*----------------------------------------------------------------*/
+
+static int __init dm_bio_prison_init(void)
+{
+	_cell_cache = KMEM_CACHE(dm_bio_prison_cell, 0);
+	if (!_cell_cache)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void __exit dm_bio_prison_exit(void)
+{
+	kmem_cache_destroy(_cell_cache);
+	_cell_cache = NULL;
+}
+
+/*
+ * module hooks
+ */
+module_init(dm_bio_prison_init);
+module_exit(dm_bio_prison_exit);
+
+MODULE_DESCRIPTION(DM_NAME " bio prison");
+MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm-bio-prison.h b/drivers/md/dm-bio-prison.h
new file mode 100644
index 00000000000..4e0ac376700
--- /dev/null
+++ b/drivers/md/dm-bio-prison.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2011-2012 Red Hat, Inc.
+ *
+ * This file is released under the GPL.
+ */
+
+#ifndef DM_BIO_PRISON_H
+#define DM_BIO_PRISON_H
+
+#include "persistent-data/dm-block-manager.h" /* FIXME: for dm_block_t */
+#include "dm-thin-metadata.h" /* FIXME: for dm_thin_id */
+
+#include <linux/list.h>
+#include <linux/bio.h>
+
+/*----------------------------------------------------------------*/
+
+/*
+ * Sometimes we can't deal with a bio straight away.  We put them in prison
+ * where they can't cause any mischief.  Bios are put in a cell identified
+ * by a key, multiple bios can be in the same cell.  When the cell is
+ * subsequently unlocked the bios become available.
+ */
+struct dm_bio_prison;
+struct dm_bio_prison_cell;
+
+/* FIXME: this needs to be more abstract */
+struct dm_cell_key {
+	int virtual;
+	dm_thin_id dev;
+	dm_block_t block;
+};
+
+struct dm_bio_prison *dm_bio_prison_create(unsigned nr_cells);
+void dm_bio_prison_destroy(struct dm_bio_prison *prison);
+
+/*
+ * This may block if a new cell needs allocating.  You must ensure that
+ * cells will be unlocked even if the calling thread is blocked.
+ *
+ * Returns 1 if the cell was already held, 0 if @inmate is the new holder.
+ */
+int dm_bio_detain(struct dm_bio_prison *prison, struct dm_cell_key *key,
+		  struct bio *inmate, struct dm_bio_prison_cell **ref);
+
+void dm_cell_release(struct dm_bio_prison_cell *cell, struct bio_list *bios);
+void dm_cell_release_singleton(struct dm_bio_prison_cell *cell, struct bio *bio); // FIXME: bio arg not needed
+void dm_cell_release_no_holder(struct dm_bio_prison_cell *cell, struct bio_list *inmates);
+void dm_cell_error(struct dm_bio_prison_cell *cell);
+
+/*----------------------------------------------------------------*/
+
+/*
+ * We use the deferred set to keep track of pending reads to shared blocks.
+ * We do this to ensure the new mapping caused by a write isn't performed
+ * until these prior reads have completed.  Otherwise the insertion of the
+ * new mapping could free the old block that the read bios are mapped to.
+ */
+
+struct dm_deferred_set;
+struct dm_deferred_entry;
+
+struct dm_deferred_set *dm_deferred_set_create(void);
+void dm_deferred_set_destroy(struct dm_deferred_set *ds);
+
+struct dm_deferred_entry *dm_deferred_entry_inc(struct dm_deferred_set *ds);
+void dm_deferred_entry_dec(struct dm_deferred_entry *entry, struct list_head *head);
+int dm_deferred_set_add_work(struct dm_deferred_set *ds, struct list_head *work);
+
+/*----------------------------------------------------------------*/
+
+#endif
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index cc06a1e5242..651ca79881d 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -280,9 +280,7 @@ static void __cache_size_refresh(void)
 	BUG_ON(!mutex_is_locked(&dm_bufio_clients_lock));
 	BUG_ON(dm_bufio_client_count < 0);
 
-	dm_bufio_cache_size_latch = dm_bufio_cache_size;
-
-	barrier();
+	dm_bufio_cache_size_latch = ACCESS_ONCE(dm_bufio_cache_size);
 
 	/*
 	 * Use default if set to 0 and report the actual cache size used.
@@ -441,8 +439,7 @@ static void __relink_lru(struct dm_buffer *b, int dirty)
 	c->n_buffers[b->list_mode]--;
 	c->n_buffers[dirty]++;
 	b->list_mode = dirty;
-	list_del(&b->lru_list);
-	list_add(&b->lru_list, &c->lru[dirty]);
+	list_move(&b->lru_list, &c->lru[dirty]);
 }
 
 /*----------------------------------------------------------------
@@ -813,7 +810,7 @@ static void __get_memory_limit(struct dm_bufio_client *c,
 {
 	unsigned long buffers;
 
-	if (dm_bufio_cache_size != dm_bufio_cache_size_latch) {
+	if (ACCESS_ONCE(dm_bufio_cache_size) != dm_bufio_cache_size_latch) {
 		mutex_lock(&dm_bufio_clients_lock);
 		__cache_size_refresh();
 		mutex_unlock(&dm_bufio_clients_lock);
@@ -1591,11 +1588,9 @@ EXPORT_SYMBOL_GPL(dm_bufio_client_destroy);
 
 static void cleanup_old_buffers(void)
 {
-	unsigned long max_age = dm_bufio_max_age;
+	unsigned long max_age = ACCESS_ONCE(dm_bufio_max_age);
 	struct dm_bufio_client *c;
 
-	barrier();
-
 	if (max_age > ULONG_MAX / HZ)
 		max_age = ULONG_MAX / HZ;
 
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 664743d6a6c..bbf459bca61 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -798,14 +798,6 @@ static int crypt_convert(struct crypt_config *cc,
 	return 0;
 }
 
-static void dm_crypt_bio_destructor(struct bio *bio)
-{
-	struct dm_crypt_io *io = bio->bi_private;
-	struct crypt_config *cc = io->cc;
-
-	bio_free(bio, cc->bs);
-}
-
 /*
  * Generate a new unfragmented bio with the given size
  * This should never violate the device limitations
@@ -974,7 +966,6 @@ static void clone_init(struct dm_crypt_io *io, struct bio *clone)
 	clone->bi_end_io  = crypt_endio;
 	clone->bi_bdev    = cc->dev->bdev;
 	clone->bi_rw      = io->base_bio->bi_rw;
-	clone->bi_destructor = dm_crypt_bio_destructor;
 }
 
 static int kcryptd_io_read(struct dm_crypt_io *io, gfp_t gfp)
@@ -988,19 +979,14 @@ static int kcryptd_io_read(struct dm_crypt_io *io, gfp_t gfp)
 	 * copy the required bvecs because we need the original
 	 * one in order to decrypt the whole bio data *afterwards*.
 	 */
-	clone = bio_alloc_bioset(gfp, bio_segments(base_bio), cc->bs);
+	clone = bio_clone_bioset(base_bio, gfp, cc->bs);
 	if (!clone)
 		return 1;
 
 	crypt_inc_pending(io);
 
 	clone_init(io, clone);
-	clone->bi_idx = 0;
-	clone->bi_vcnt = bio_segments(base_bio);
-	clone->bi_size = base_bio->bi_size;
 	clone->bi_sector = cc->start + io->sector;
-	memcpy(clone->bi_io_vec, bio_iovec(base_bio),
-	       sizeof(struct bio_vec) * clone->bi_vcnt);
 
 	generic_make_request(clone);
 	return 0;
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index ea5dd289fe2..1c46f97d666 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -249,16 +249,6 @@ static void vm_dp_init(struct dpages *dp, void *data)
 	dp->context_ptr = data;
 }
 
-static void dm_bio_destructor(struct bio *bio)
-{
-	unsigned region;
-	struct io *io;
-
-	retrieve_io_and_region_from_bio(bio, &io, &region);
-
-	bio_free(bio, io->client->bios);
-}
-
 /*
  * Functions for getting the pages from kernel memory.
  */
@@ -317,7 +307,6 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
 		bio->bi_sector = where->sector + (where->count - remaining);
 		bio->bi_bdev = where->bdev;
 		bio->bi_end_io = endio;
-		bio->bi_destructor = dm_bio_destructor;
 		store_io_and_region_in_bio(bio, io, region);
 
 		if (rw & REQ_DISCARD) {
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index d778563a4ff..573bd04591b 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1309,13 +1309,14 @@ static int multipath_end_io(struct dm_target *ti, struct request *clone,
 {
 	struct multipath *m = ti->private;
 	struct dm_mpath_io *mpio = map_context->ptr;
-	struct pgpath *pgpath = mpio->pgpath;
+	struct pgpath *pgpath;
 	struct path_selector *ps;
 	int r;
 
 	BUG_ON(!mpio);
 
 	r  = do_end_io(m, clone, error, mpio);
+	pgpath = mpio->pgpath;
 	if (pgpath) {
 		ps = &pgpath->pg->ps;
 		if (ps->type->end_io)
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 982e3e390c4..45d94a7e7f6 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -338,6 +338,84 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size)
 }
 
 /*
+ * validate_rebuild_devices
+ * @rs
+ *
+ * Determine if the devices specified for rebuild can result in a valid
+ * usable array that is capable of rebuilding the given devices.
+ *
+ * Returns: 0 on success, -EINVAL on failure.
+ */
+static int validate_rebuild_devices(struct raid_set *rs)
+{
+	unsigned i, rebuild_cnt = 0;
+	unsigned rebuilds_per_group, copies, d;
+
+	if (!(rs->print_flags & DMPF_REBUILD))
+		return 0;
+
+	for (i = 0; i < rs->md.raid_disks; i++)
+		if (!test_bit(In_sync, &rs->dev[i].rdev.flags))
+			rebuild_cnt++;
+
+	switch (rs->raid_type->level) {
+	case 1:
+		if (rebuild_cnt >= rs->md.raid_disks)
+			goto too_many;
+		break;
+	case 4:
+	case 5:
+	case 6:
+		if (rebuild_cnt > rs->raid_type->parity_devs)
+			goto too_many;
+		break;
+	case 10:
+		copies = raid10_md_layout_to_copies(rs->md.layout);
+		if (rebuild_cnt < copies)
+			break;
+
+		/*
+		 * It is possible to have a higher rebuild count for RAID10,
+		 * as long as the failed devices occur in different mirror
+		 * groups (i.e. different stripes).
+		 *
+		 * Right now, we only allow for "near" copies.  When other
+		 * formats are added, we will have to check those too.
+		 *
+		 * When checking "near" format, make sure no adjacent devices
+		 * have failed beyond what can be handled.  In addition to the
+		 * simple case where the number of devices is a multiple of the
+		 * number of copies, we must also handle cases where the number
+		 * of devices is not a multiple of the number of copies.
+		 * E.g.    dev1 dev2 dev3 dev4 dev5
+		 *          A    A    B    B    C
+		 *          C    D    D    E    E
+		 */
+		rebuilds_per_group = 0;
+		for (i = 0; i < rs->md.raid_disks * copies; i++) {
+			d = i % rs->md.raid_disks;
+			if (!test_bit(In_sync, &rs->dev[d].rdev.flags) &&
+			    (++rebuilds_per_group >= copies))
+				goto too_many;
+			if (!((i + 1) % copies))
+				rebuilds_per_group = 0;
+		}
+		break;
+	default:
+		DMERR("The rebuild parameter is not supported for %s",
+		      rs->raid_type->name);
+		rs->ti->error = "Rebuild not supported for this RAID type";
+		return -EINVAL;
+	}
+
+	return 0;
+
+too_many:
+	rs->ti->error = "Too many rebuild devices specified";
+	return -EINVAL;
+}
+
+/*
  * Possible arguments are...
  *	<chunk_size> [optional_args]
  *
@@ -365,7 +443,7 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
 {
 	char *raid10_format = "near";
 	unsigned raid10_copies = 2;
-	unsigned i, rebuild_cnt = 0;
+	unsigned i;
 	unsigned long value, region_size = 0;
 	sector_t sectors_per_dev = rs->ti->len;
 	sector_t max_io_len;
@@ -461,31 +539,7 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
 
 		/* Parameters that take a numeric value are checked here */
 		if (!strcasecmp(key, "rebuild")) {
-			rebuild_cnt++;
-
-			switch (rs->raid_type->level) {
-			case 1:
-				if (rebuild_cnt >= rs->md.raid_disks) {
-					rs->ti->error = "Too many rebuild devices specified";
-					return -EINVAL;
-				}
-				break;
-			case 4:
-			case 5:
-			case 6:
-				if (rebuild_cnt > rs->raid_type->parity_devs) {
-					rs->ti->error = "Too many rebuild devices specified for given RAID type";
-					return -EINVAL;
-				}
-				break;
-			case 10:
-			default:
-				DMERR("The rebuild parameter is not supported for %s", rs->raid_type->name);
-				rs->ti->error = "Rebuild not supported for this RAID type";
-				return -EINVAL;
-			}
-
-			if (value > rs->md.raid_disks) {
+			if (value >= rs->md.raid_disks) {
 				rs->ti->error = "Invalid rebuild index given";
 				return -EINVAL;
 			}
@@ -608,6 +662,9 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
 	}
 	rs->md.dev_sectors = sectors_per_dev;
 
+	if (validate_rebuild_devices(rs))
+		return -EINVAL;
+
 	/* Assume there are no metadata devices until the drives are parsed */
 	rs->md.persistent = 0;
 	rs->md.external = 1;
@@ -960,6 +1017,19 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
 
 	freshest = NULL;
 	rdev_for_each_safe(rdev, tmp, mddev) {
+		/*
+		 * Skipping super_load due to DMPF_SYNC will cause
+		 * the array to undergo initialization again as
+		 * though it were new.  This is the intended effect
+		 * of the "sync" directive.
+		 *
+		 * When reshaping capability is added, we must ensure
+		 * that the "sync" directive is disallowed during the
+		 * reshape.
+		 */
+		if (rs->print_flags & DMPF_SYNC)
+			continue;
+
 		if (!rdev->meta_bdev)
 			continue;
 
@@ -1360,7 +1430,7 @@ static void raid_resume(struct dm_target *ti)
 
 static struct target_type raid_target = {
 	.name = "raid",
-	.version = {1, 3, 0},
+	.version = {1, 3, 1},
 	.module = THIS_MODULE,
 	.ctr = raid_ctr,
 	.dtr = raid_dtr,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index c29410af1e2..058acf3a5ba 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -5,6 +5,7 @@
  */
 
 #include "dm-thin-metadata.h"
+#include "dm-bio-prison.h"
 #include "dm.h"
 
 #include <linux/device-mapper.h>
@@ -21,7 +22,6 @@
  * Tunable constants
  */
 #define ENDIO_HOOK_POOL_SIZE 1024
-#define DEFERRED_SET_SIZE 64
 #define MAPPING_POOL_SIZE 1024
 #define PRISON_CELLS 1024
 #define COMMIT_PERIOD HZ
@@ -58,7 +58,7 @@
  * i) plug io further to this physical block. (see bio_prison code).
  *
  * ii) quiesce any read io to that shared data block.  Obviously
- * including all devices that share this block.  (see deferred_set code)
+ * including all devices that share this block.  (see dm_deferred_set code)
  *
  * iii) copy the data block to a newly allocate block.  This step can be
  * missed out if the io covers the block. (schedule_copy).
@@ -99,381 +99,10 @@
 /*----------------------------------------------------------------*/
 
 /*
- * Sometimes we can't deal with a bio straight away.  We put them in prison
- * where they can't cause any mischief.  Bios are put in a cell identified
- * by a key, multiple bios can be in the same cell.  When the cell is
- * subsequently unlocked the bios become available.
- */
-struct bio_prison;
-
-struct cell_key {
-	int virtual;
-	dm_thin_id dev;
-	dm_block_t block;
-};
-
-struct dm_bio_prison_cell {
-	struct hlist_node list;
-	struct bio_prison *prison;
-	struct cell_key key;
-	struct bio *holder;
-	struct bio_list bios;
-};
-
-struct bio_prison {
-	spinlock_t lock;
-	mempool_t *cell_pool;
-
-	unsigned nr_buckets;
-	unsigned hash_mask;
-	struct hlist_head *cells;
-};
-
-static uint32_t calc_nr_buckets(unsigned nr_cells)
-{
-	uint32_t n = 128;
-
-	nr_cells /= 4;
-	nr_cells = min(nr_cells, 8192u);
-
-	while (n < nr_cells)
-		n <<= 1;
-
-	return n;
-}
-
-static struct kmem_cache *_cell_cache;
-
-/*
- * @nr_cells should be the number of cells you want in use _concurrently_.
- * Don't confuse it with the number of distinct keys.
- */
-static struct bio_prison *prison_create(unsigned nr_cells)
-{
-	unsigned i;
-	uint32_t nr_buckets = calc_nr_buckets(nr_cells);
-	size_t len = sizeof(struct bio_prison) +
-		(sizeof(struct hlist_head) * nr_buckets);
-	struct bio_prison *prison = kmalloc(len, GFP_KERNEL);
-
-	if (!prison)
-		return NULL;
-
-	spin_lock_init(&prison->lock);
-	prison->cell_pool = mempool_create_slab_pool(nr_cells, _cell_cache);
-	if (!prison->cell_pool) {
-		kfree(prison);
-		return NULL;
-	}
-
-	prison->nr_buckets = nr_buckets;
-	prison->hash_mask = nr_buckets - 1;
-	prison->cells = (struct hlist_head *) (prison + 1);
-	for (i = 0; i < nr_buckets; i++)
-		INIT_HLIST_HEAD(prison->cells + i);
-
-	return prison;
-}
-
-static void prison_destroy(struct bio_prison *prison)
-{
-	mempool_destroy(prison->cell_pool);
-	kfree(prison);
-}
-
-static uint32_t hash_key(struct bio_prison *prison, struct cell_key *key)
-{
-	const unsigned long BIG_PRIME = 4294967291UL;
-	uint64_t hash = key->block * BIG_PRIME;
-
-	return (uint32_t) (hash & prison->hash_mask);
-}
-
-static int keys_equal(struct cell_key *lhs, struct cell_key *rhs)
-{
-	       return (lhs->virtual == rhs->virtual) &&
-		       (lhs->dev == rhs->dev) &&
-		       (lhs->block == rhs->block);
-}
-
-static struct dm_bio_prison_cell *__search_bucket(struct hlist_head *bucket,
-						  struct cell_key *key)
-{
-	struct dm_bio_prison_cell *cell;
-	struct hlist_node *tmp;
-
-	hlist_for_each_entry(cell, tmp, bucket, list)
-		if (keys_equal(&cell->key, key))
-			return cell;
-
-	return NULL;
-}
-
-/*
- * This may block if a new cell needs allocating.  You must ensure that
- * cells will be unlocked even if the calling thread is blocked.
- *
- * Returns 1 if the cell was already held, 0 if @inmate is the new holder.
- */
-static int bio_detain(struct bio_prison *prison, struct cell_key *key,
-		      struct bio *inmate, struct dm_bio_prison_cell **ref)
-{
-	int r = 1;
-	unsigned long flags;
-	uint32_t hash = hash_key(prison, key);
-	struct dm_bio_prison_cell *cell, *cell2;
-
-	BUG_ON(hash > prison->nr_buckets);
-
-	spin_lock_irqsave(&prison->lock, flags);
-
-	cell = __search_bucket(prison->cells + hash, key);
-	if (cell) {
-		bio_list_add(&cell->bios, inmate);
-		goto out;
-	}
-
-	/*
-	 * Allocate a new cell
-	 */
-	spin_unlock_irqrestore(&prison->lock, flags);
-	cell2 = mempool_alloc(prison->cell_pool, GFP_NOIO);
-	spin_lock_irqsave(&prison->lock, flags);
-
-	/*
-	 * We've been unlocked, so we have to double check that
-	 * nobody else has inserted this cell in the meantime.
-	 */
-	cell = __search_bucket(prison->cells + hash, key);
-	if (cell) {
-		mempool_free(cell2, prison->cell_pool);
-		bio_list_add(&cell->bios, inmate);
-		goto out;
-	}
-
-	/*
-	 * Use new cell.
-	 */
-	cell = cell2;
-
-	cell->prison = prison;
-	memcpy(&cell->key, key, sizeof(cell->key));
-	cell->holder = inmate;
-	bio_list_init(&cell->bios);
-	hlist_add_head(&cell->list, prison->cells + hash);
-
-	r = 0;
-
-out:
-	spin_unlock_irqrestore(&prison->lock, flags);
-
-	*ref = cell;
-
-	return r;
-}
-
-/*
- * @inmates must have been initialised prior to this call
- */
-static void __cell_release(struct dm_bio_prison_cell *cell, struct bio_list *inmates)
-{
-	struct bio_prison *prison = cell->prison;
-
-	hlist_del(&cell->list);
-
-	if (inmates) {
-		bio_list_add(inmates, cell->holder);
-		bio_list_merge(inmates, &cell->bios);
-	}
-
-	mempool_free(cell, prison->cell_pool);
-}
-
-static void cell_release(struct dm_bio_prison_cell *cell, struct bio_list *bios)
-{
-	unsigned long flags;
-	struct bio_prison *prison = cell->prison;
-
-	spin_lock_irqsave(&prison->lock, flags);
-	__cell_release(cell, bios);
-	spin_unlock_irqrestore(&prison->lock, flags);
-}
-
-/*
- * There are a couple of places where we put a bio into a cell briefly
- * before taking it out again.  In these situations we know that no other
- * bio may be in the cell.  This function releases the cell, and also does
- * a sanity check.
- */
-static void __cell_release_singleton(struct dm_bio_prison_cell *cell, struct bio *bio)
-{
-	BUG_ON(cell->holder != bio);
-	BUG_ON(!bio_list_empty(&cell->bios));
-
-	__cell_release(cell, NULL);
-}
-
-static void cell_release_singleton(struct dm_bio_prison_cell *cell, struct bio *bio)
-{
-	unsigned long flags;
-	struct bio_prison *prison = cell->prison;
-
-	spin_lock_irqsave(&prison->lock, flags);
-	__cell_release_singleton(cell, bio);
-	spin_unlock_irqrestore(&prison->lock, flags);
-}
-
-/*
- * Sometimes we don't want the holder, just the additional bios.
- */
-static void __cell_release_no_holder(struct dm_bio_prison_cell *cell,
-				     struct bio_list *inmates)
-{
-	struct bio_prison *prison = cell->prison;
-
-	hlist_del(&cell->list);
-	bio_list_merge(inmates, &cell->bios);
-
-	mempool_free(cell, prison->cell_pool);
-}
-
-static void cell_release_no_holder(struct dm_bio_prison_cell *cell,
-				   struct bio_list *inmates)
-{
-	unsigned long flags;
-	struct bio_prison *prison = cell->prison;
-
-	spin_lock_irqsave(&prison->lock, flags);
-	__cell_release_no_holder(cell, inmates);
-	spin_unlock_irqrestore(&prison->lock, flags);
-}
-
-static void cell_error(struct dm_bio_prison_cell *cell)
-{
-	struct bio_prison *prison = cell->prison;
-	struct bio_list bios;
-	struct bio *bio;
-	unsigned long flags;
-
-	bio_list_init(&bios);
-
-	spin_lock_irqsave(&prison->lock, flags);
-	__cell_release(cell, &bios);
-	spin_unlock_irqrestore(&prison->lock, flags);
-
-	while ((bio = bio_list_pop(&bios)))
-		bio_io_error(bio);
-}
-
-/*----------------------------------------------------------------*/
-
-/*
- * We use the deferred set to keep track of pending reads to shared blocks.
- * We do this to ensure the new mapping caused by a write isn't performed
- * until these prior reads have completed.  Otherwise the insertion of the
- * new mapping could free the old block that the read bios are mapped to.
- */
-
-struct deferred_set;
-struct deferred_entry {
-	struct deferred_set *ds;
-	unsigned count;
-	struct list_head work_items;
-};
-
-struct deferred_set {
-	spinlock_t lock;
-	unsigned current_entry;
-	unsigned sweeper;
-	struct deferred_entry entries[DEFERRED_SET_SIZE];
-};
-
-static void ds_init(struct deferred_set *ds)
-{
-	int i;
-
-	spin_lock_init(&ds->lock);
-	ds->current_entry = 0;
-	ds->sweeper = 0;
-	for (i = 0; i < DEFERRED_SET_SIZE; i++) {
-		ds->entries[i].ds = ds;
-		ds->entries[i].count = 0;
-		INIT_LIST_HEAD(&ds->entries[i].work_items);
-	}
-}
-
-static struct deferred_entry *ds_inc(struct deferred_set *ds)
-{
-	unsigned long flags;
-	struct deferred_entry *entry;
-
-	spin_lock_irqsave(&ds->lock, flags);
-	entry = ds->entries + ds->current_entry;
-	entry->count++;
-	spin_unlock_irqrestore(&ds->lock, flags);
-
-	return entry;
-}
-
-static unsigned ds_next(unsigned index)
-{
-	return (index + 1) % DEFERRED_SET_SIZE;
-}
-
-static void __sweep(struct deferred_set *ds, struct list_head *head)
-{
-	while ((ds->sweeper != ds->current_entry) &&
-	       !ds->entries[ds->sweeper].count) {
-		list_splice_init(&ds->entries[ds->sweeper].work_items, head);
-		ds->sweeper = ds_next(ds->sweeper);
-	}
-
-	if ((ds->sweeper == ds->current_entry) && !ds->entries[ds->sweeper].count)
-		list_splice_init(&ds->entries[ds->sweeper].work_items, head);
-}
-
-static void ds_dec(struct deferred_entry *entry, struct list_head *head)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&entry->ds->lock, flags);
-	BUG_ON(!entry->count);
-	--entry->count;
-	__sweep(entry->ds, head);
-	spin_unlock_irqrestore(&entry->ds->lock, flags);
-}
-
-/*
- * Returns 1 if deferred or 0 if no pending items to delay job.
- */
-static int ds_add_work(struct deferred_set *ds, struct list_head *work)
-{
-	int r = 1;
-	unsigned long flags;
-	unsigned next_entry;
-
-	spin_lock_irqsave(&ds->lock, flags);
-	if ((ds->sweeper == ds->current_entry) &&
-	    !ds->entries[ds->current_entry].count)
-		r = 0;
-	else {
-		list_add(work, &ds->entries[ds->current_entry].work_items);
-		next_entry = ds_next(ds->current_entry);
-		if (!ds->entries[next_entry].count)
-			ds->current_entry = next_entry;
-	}
-	spin_unlock_irqrestore(&ds->lock, flags);
-
-	return r;
-}
-
-/*----------------------------------------------------------------*/
-
-/*
  * Key building.
  */
 static void build_data_key(struct dm_thin_device *td,
-			   dm_block_t b, struct cell_key *key)
+			   dm_block_t b, struct dm_cell_key *key)
 {
 	key->virtual = 0;
 	key->dev = dm_thin_dev_id(td);
@@ -481,7 +110,7 @@ static void build_data_key(struct dm_thin_device *td,
 }
 
 static void build_virtual_key(struct dm_thin_device *td, dm_block_t b,
-			      struct cell_key *key)
+			      struct dm_cell_key *key)
 {
 	key->virtual = 1;
 	key->dev = dm_thin_dev_id(td);
@@ -534,7 +163,7 @@ struct pool {
 	unsigned low_water_triggered:1;	/* A dm event has been sent */
 	unsigned no_free_space:1;	/* A -ENOSPC warning has been issued */
 
-	struct bio_prison *prison;
+	struct dm_bio_prison *prison;
 	struct dm_kcopyd_client *copier;
 
 	struct workqueue_struct *wq;
@@ -552,8 +181,8 @@ struct pool {
 
 	struct bio_list retry_on_resume_list;
 
-	struct deferred_set shared_read_ds;
-	struct deferred_set all_io_ds;
+	struct dm_deferred_set *shared_read_ds;
+	struct dm_deferred_set *all_io_ds;
 
 	struct dm_thin_new_mapping *next_mapping;
 	mempool_t *mapping_pool;
@@ -660,8 +289,8 @@ static struct pool *__pool_table_lookup_metadata_dev(struct block_device *md_dev
 
 struct dm_thin_endio_hook {
 	struct thin_c *tc;
-	struct deferred_entry *shared_read_entry;
-	struct deferred_entry *all_io_entry;
+	struct dm_deferred_entry *shared_read_entry;
+	struct dm_deferred_entry *all_io_entry;
 	struct dm_thin_new_mapping *overwrite_mapping;
 };
 
@@ -877,7 +506,7 @@ static void cell_defer(struct thin_c *tc, struct dm_bio_prison_cell *cell,
 	unsigned long flags;
 
 	spin_lock_irqsave(&pool->lock, flags);
-	cell_release(cell, &pool->deferred_bios);
+	dm_cell_release(cell, &pool->deferred_bios);
 	spin_unlock_irqrestore(&tc->pool->lock, flags);
 
 	wake_worker(pool);
@@ -896,7 +525,7 @@ static void cell_defer_except(struct thin_c *tc, struct dm_bio_prison_cell *cell
 	bio_list_init(&bios);
 
 	spin_lock_irqsave(&pool->lock, flags);
-	cell_release_no_holder(cell, &pool->deferred_bios);
+	dm_cell_release_no_holder(cell, &pool->deferred_bios);
 	spin_unlock_irqrestore(&pool->lock, flags);
 
 	wake_worker(pool);
@@ -906,7 +535,7 @@ static void process_prepared_mapping_fail(struct dm_thin_new_mapping *m)
 {
 	if (m->bio)
 		m->bio->bi_end_io = m->saved_bi_end_io;
-	cell_error(m->cell);
+	dm_cell_error(m->cell);
 	list_del(&m->list);
 	mempool_free(m, m->tc->pool->mapping_pool);
 }
@@ -921,7 +550,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
 		bio->bi_end_io = m->saved_bi_end_io;
 
 	if (m->err) {
-		cell_error(m->cell);
+		dm_cell_error(m->cell);
 		goto out;
 	}
 
@@ -933,7 +562,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
 	r = dm_thin_insert_block(tc->td, m->virt_block, m->data_block);
 	if (r) {
 		DMERR("dm_thin_insert_block() failed");
-		cell_error(m->cell);
+		dm_cell_error(m->cell);
 		goto out;
 	}
 
@@ -1067,7 +696,7 @@ static void schedule_copy(struct thin_c *tc, dm_block_t virt_block,
 	m->err = 0;
 	m->bio = NULL;
 
-	if (!ds_add_work(&pool->shared_read_ds, &m->list))
+	if (!dm_deferred_set_add_work(pool->shared_read_ds, &m->list))
 		m->quiesced = 1;
 
 	/*
@@ -1099,7 +728,7 @@ static void schedule_copy(struct thin_c *tc, dm_block_t virt_block,
 		if (r < 0) {
 			mempool_free(m, pool->mapping_pool);
 			DMERR("dm_kcopyd_copy() failed");
-			cell_error(cell);
+			dm_cell_error(cell);
 		}
 	}
 }
@@ -1164,7 +793,7 @@ static void schedule_zero(struct thin_c *tc, dm_block_t virt_block,
 		if (r < 0) {
 			mempool_free(m, pool->mapping_pool);
 			DMERR("dm_kcopyd_zero() failed");
-			cell_error(cell);
+			dm_cell_error(cell);
 		}
 	}
 }
@@ -1276,7 +905,7 @@ static void no_space(struct dm_bio_prison_cell *cell)
 	struct bio_list bios;
 
 	bio_list_init(&bios);
-	cell_release(cell, &bios);
+	dm_cell_release(cell, &bios);
 
 	while ((bio = bio_list_pop(&bios)))
 		retry_on_resume(bio);
@@ -1288,13 +917,13 @@ static void process_discard(struct thin_c *tc, struct bio *bio)
 	unsigned long flags;
 	struct pool *pool = tc->pool;
 	struct dm_bio_prison_cell *cell, *cell2;
-	struct cell_key key, key2;
+	struct dm_cell_key key, key2;
 	dm_block_t block = get_bio_block(tc, bio);
 	struct dm_thin_lookup_result lookup_result;
 	struct dm_thin_new_mapping *m;
 
 	build_virtual_key(tc->td, block, &key);
-	if (bio_detain(tc->pool->prison, &key, bio, &cell))
+	if (dm_bio_detain(tc->pool->prison, &key, bio, &cell))
 		return;
 
 	r = dm_thin_find_block(tc->td, block, 1, &lookup_result);
@@ -1306,8 +935,8 @@ static void process_discard(struct thin_c *tc, struct bio *bio)
 		 * on this block.
 		 */
 		build_data_key(tc->td, lookup_result.block, &key2);
-		if (bio_detain(tc->pool->prison, &key2, bio, &cell2)) {
-			cell_release_singleton(cell, bio);
+		if (dm_bio_detain(tc->pool->prison, &key2, bio, &cell2)) {
+			dm_cell_release_singleton(cell, bio);
 			break;
 		}
 
@@ -1326,7 +955,7 @@ static void process_discard(struct thin_c *tc, struct bio *bio)
 			m->err = 0;
 			m->bio = bio;
 
-			if (!ds_add_work(&pool->all_io_ds, &m->list)) {
+			if (!dm_deferred_set_add_work(pool->all_io_ds, &m->list)) {
 				spin_lock_irqsave(&pool->lock, flags);
 				list_add(&m->list, &pool->prepared_discards);
 				spin_unlock_irqrestore(&pool->lock, flags);
@@ -1338,8 +967,8 @@ static void process_discard(struct thin_c *tc, struct bio *bio)
 			 * a block boundary.  So we submit the discard of a
 			 * partial block appropriately.
 			 */
-			cell_release_singleton(cell, bio);
-			cell_release_singleton(cell2, bio);
+			dm_cell_release_singleton(cell, bio);
+			dm_cell_release_singleton(cell2, bio);
 			if ((!lookup_result.shared) && pool->pf.discard_passdown)
 				remap_and_issue(tc, bio, lookup_result.block);
 			else
@@ -1351,20 +980,20 @@ static void process_discard(struct thin_c *tc, struct bio *bio)
 		/*
 		 * It isn't provisioned, just forget it.
 		 */
-		cell_release_singleton(cell, bio);
+		dm_cell_release_singleton(cell, bio);
 		bio_endio(bio, 0);
 		break;
 
 	default:
 		DMERR("discard: find block unexpectedly returned %d", r);
-		cell_release_singleton(cell, bio);
+		dm_cell_release_singleton(cell, bio);
 		bio_io_error(bio);
 		break;
 	}
 }
 
 static void break_sharing(struct thin_c *tc, struct bio *bio, dm_block_t block,
-			  struct cell_key *key,
+			  struct dm_cell_key *key,
 			  struct dm_thin_lookup_result *lookup_result,
 			  struct dm_bio_prison_cell *cell)
 {
@@ -1384,7 +1013,7 @@ static void break_sharing(struct thin_c *tc, struct bio *bio, dm_block_t block,
 
 	default:
 		DMERR("%s: alloc_data_block() failed, error = %d", __func__, r);
-		cell_error(cell);
+		dm_cell_error(cell);
 		break;
 	}
 }
@@ -1395,14 +1024,14 @@ static void process_shared_bio(struct thin_c *tc, struct bio *bio,
 {
 	struct dm_bio_prison_cell *cell;
 	struct pool *pool = tc->pool;
-	struct cell_key key;
+	struct dm_cell_key key;
 
 	/*
 	 * If cell is already occupied, then sharing is already in the process
 	 * of being broken so we have nothing further to do here.
 	 */
 	build_data_key(tc->td, lookup_result->block, &key);
-	if (bio_detain(pool->prison, &key, bio, &cell))
+	if (dm_bio_detain(pool->prison, &key, bio, &cell))
 		return;
 
 	if (bio_data_dir(bio) == WRITE && bio->bi_size)
@@ -1410,9 +1039,9 @@ static void process_shared_bio(struct thin_c *tc, struct bio *bio,
 	else {
 		struct dm_thin_endio_hook *h = dm_get_mapinfo(bio)->ptr;
 
-		h->shared_read_entry = ds_inc(&pool->shared_read_ds);
+		h->shared_read_entry = dm_deferred_entry_inc(pool->shared_read_ds);
 
-		cell_release_singleton(cell, bio);
+		dm_cell_release_singleton(cell, bio);
 		remap_and_issue(tc, bio, lookup_result->block);
 	}
 }
@@ -1427,7 +1056,7 @@ static void provision_block(struct thin_c *tc, struct bio *bio, dm_block_t block
 	 * Remap empty bios (flushes) immediately, without provisioning.
 	 */
 	if (!bio->bi_size) {
-		cell_release_singleton(cell, bio);
+		dm_cell_release_singleton(cell, bio);
 		remap_and_issue(tc, bio, 0);
 		return;
 	}
@@ -1437,7 +1066,7 @@ static void provision_block(struct thin_c *tc, struct bio *bio, dm_block_t block
 	 */
 	if (bio_data_dir(bio) == READ) {
 		zero_fill_bio(bio);
-		cell_release_singleton(cell, bio);
+		dm_cell_release_singleton(cell, bio);
 		bio_endio(bio, 0);
 		return;
 	}
@@ -1458,7 +1087,7 @@ static void provision_block(struct thin_c *tc, struct bio *bio, dm_block_t block
 	default:
 		DMERR("%s: alloc_data_block() failed, error = %d", __func__, r);
 		set_pool_mode(tc->pool, PM_READ_ONLY);
-		cell_error(cell);
+		dm_cell_error(cell);
 		break;
 	}
 }
@@ -1468,7 +1097,7 @@ static void process_bio(struct thin_c *tc, struct bio *bio)
 	int r;
 	dm_block_t block = get_bio_block(tc, bio);
 	struct dm_bio_prison_cell *cell;
-	struct cell_key key;
+	struct dm_cell_key key;
 	struct dm_thin_lookup_result lookup_result;
 
 	/*
@@ -1476,7 +1105,7 @@ static void process_bio(struct thin_c *tc, struct bio *bio)
 	 * being provisioned so we have nothing further to do here.
 	 */
 	build_virtual_key(tc->td, block, &key);
-	if (bio_detain(tc->pool->prison, &key, bio, &cell))
+	if (dm_bio_detain(tc->pool->prison, &key, bio, &cell))
 		return;
 
 	r = dm_thin_find_block(tc->td, block, 1, &lookup_result);
@@ -1491,7 +1120,7 @@ static void process_bio(struct thin_c *tc, struct bio *bio)
 		 * TODO: this will probably have to change when discard goes
 		 * back in.
 		 */
-		cell_release_singleton(cell, bio);
+		dm_cell_release_singleton(cell, bio);
 
 		if (lookup_result.shared)
 			process_shared_bio(tc, bio, block, &lookup_result);
@@ -1501,7 +1130,7 @@ static void process_bio(struct thin_c *tc, struct bio *bio)
 
 	case -ENODATA:
 		if (bio_data_dir(bio) == READ && tc->origin_dev) {
-			cell_release_singleton(cell, bio);
+			dm_cell_release_singleton(cell, bio);
 			remap_to_origin_and_issue(tc, bio);
 		} else
 			provision_block(tc, bio, block, cell);
@@ -1509,7 +1138,7 @@ static void process_bio(struct thin_c *tc, struct bio *bio)
 
 	default:
 		DMERR("dm_thin_find_block() failed, error = %d", r);
-		cell_release_singleton(cell, bio);
+		dm_cell_release_singleton(cell, bio);
 		bio_io_error(bio);
 		break;
 	}
@@ -1718,7 +1347,7 @@ static struct dm_thin_endio_hook *thin_hook_bio(struct thin_c *tc, struct bio *b
 
 	h->tc = tc;
 	h->shared_read_entry = NULL;
-	h->all_io_entry = bio->bi_rw & REQ_DISCARD ? NULL : ds_inc(&pool->all_io_ds);
+	h->all_io_entry = bio->bi_rw & REQ_DISCARD ? NULL : dm_deferred_entry_inc(pool->all_io_ds);
 	h->overwrite_mapping = NULL;
 
 	return h;
@@ -1928,7 +1557,7 @@ static void __pool_destroy(struct pool *pool)
 	if (dm_pool_metadata_close(pool->pmd) < 0)
 		DMWARN("%s: dm_pool_metadata_close() failed.", __func__);
 
-	prison_destroy(pool->prison);
+	dm_bio_prison_destroy(pool->prison);
 	dm_kcopyd_client_destroy(pool->copier);
 
 	if (pool->wq)
@@ -1938,6 +1567,8 @@ static void __pool_destroy(struct pool *pool)
 		mempool_free(pool->next_mapping, pool->mapping_pool);
 	mempool_destroy(pool->mapping_pool);
 	mempool_destroy(pool->endio_hook_pool);
+	dm_deferred_set_destroy(pool->shared_read_ds);
+	dm_deferred_set_destroy(pool->all_io_ds);
 	kfree(pool);
 }
 
@@ -1976,7 +1607,7 @@ static struct pool *pool_create(struct mapped_device *pool_md,
 		pool->sectors_per_block_shift = __ffs(block_size);
 	pool->low_water_blocks = 0;
 	pool_features_init(&pool->pf);
-	pool->prison = prison_create(PRISON_CELLS);
+	pool->prison = dm_bio_prison_create(PRISON_CELLS);
 	if (!pool->prison) {
 		*error = "Error creating pool's bio prison";
 		err_p = ERR_PTR(-ENOMEM);
@@ -2012,8 +1643,20 @@ static struct pool *pool_create(struct mapped_device *pool_md,
 	pool->low_water_triggered = 0;
 	pool->no_free_space = 0;
 	bio_list_init(&pool->retry_on_resume_list);
-	ds_init(&pool->shared_read_ds);
-	ds_init(&pool->all_io_ds);
+
+	pool->shared_read_ds = dm_deferred_set_create();
+	if (!pool->shared_read_ds) {
+		*error = "Error creating pool's shared read deferred set";
+		err_p = ERR_PTR(-ENOMEM);
+		goto bad_shared_read_ds;
+	}
+
+	pool->all_io_ds = dm_deferred_set_create();
+	if (!pool->all_io_ds) {
+		*error = "Error creating pool's all io deferred set";
+		err_p = ERR_PTR(-ENOMEM);
+		goto bad_all_io_ds;
+	}
 
 	pool->next_mapping = NULL;
 	pool->mapping_pool = mempool_create_slab_pool(MAPPING_POOL_SIZE,
@@ -2042,11 +1685,15 @@ static struct pool *pool_create(struct mapped_device *pool_md,
 bad_endio_hook_pool:
 	mempool_destroy(pool->mapping_pool);
 bad_mapping_pool:
+	dm_deferred_set_destroy(pool->all_io_ds);
+bad_all_io_ds:
+	dm_deferred_set_destroy(pool->shared_read_ds);
+bad_shared_read_ds:
 	destroy_workqueue(pool->wq);
 bad_wq:
 	dm_kcopyd_client_destroy(pool->copier);
 bad_kcopyd_client:
-	prison_destroy(pool->prison);
+	dm_bio_prison_destroy(pool->prison);
 bad_prison:
 	kfree(pool);
 bad_pool:
@@ -2272,15 +1919,6 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
 		goto out_flags_changed;
 	}
 
-	/*
-	 * The block layer requires discard_granularity to be a power of 2.
-	 */
-	if (pf.discard_enabled && !is_power_of_2(block_size)) {
-		ti->error = "Discard support must be disabled when the block size is not a power of 2";
-		r = -EINVAL;
-		goto out_flags_changed;
-	}
-
 	pt->pool = pool;
 	pt->ti = ti;
 	pt->metadata_dev = metadata_dev;
@@ -2762,6 +2400,11 @@ static int pool_merge(struct dm_target *ti, struct bvec_merge_data *bvm,
 	return min(max_size, q->merge_bvec_fn(q, bvm, biovec));
 }
 
+static bool block_size_is_power_of_two(struct pool *pool)
+{
+	return pool->sectors_per_block_shift >= 0;
+}
+
 static void set_discard_limits(struct pool_c *pt, struct queue_limits *limits)
 {
 	struct pool *pool = pt->pool;
@@ -2775,8 +2418,15 @@ static void set_discard_limits(struct pool_c *pt, struct queue_limits *limits)
 	if (pt->adjusted_pf.discard_passdown) {
 		data_limits = &bdev_get_queue(pt->data_dev->bdev)->limits;
 		limits->discard_granularity = data_limits->discard_granularity;
-	} else
+	} else if (block_size_is_power_of_two(pool))
 		limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
+	else
+		/*
+		 * Use largest power of 2 that is a factor of sectors_per_block
+		 * but at least DATA_DEV_BLOCK_SIZE_MIN_SECTORS.
+		 */
+		limits->discard_granularity = max(1 << (ffs(pool->sectors_per_block) - 1),
+						  DATA_DEV_BLOCK_SIZE_MIN_SECTORS) << SECTOR_SHIFT;
 }
 
 static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits)
@@ -2804,7 +2454,7 @@ static struct target_type pool_target = {
 	.name = "thin-pool",
 	.features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
 		    DM_TARGET_IMMUTABLE,
-	.version = {1, 4, 0},
+	.version = {1, 5, 0},
 	.module = THIS_MODULE,
 	.ctr = pool_ctr,
 	.dtr = pool_dtr,
@@ -2979,7 +2629,7 @@ static int thin_endio(struct dm_target *ti,
 
 	if (h->shared_read_entry) {
 		INIT_LIST_HEAD(&work);
-		ds_dec(h->shared_read_entry, &work);
+		dm_deferred_entry_dec(h->shared_read_entry, &work);
 
 		spin_lock_irqsave(&pool->lock, flags);
 		list_for_each_entry_safe(m, tmp, &work, list) {
@@ -2992,7 +2642,7 @@ static int thin_endio(struct dm_target *ti,
 
 	if (h->all_io_entry) {
 		INIT_LIST_HEAD(&work);
-		ds_dec(h->all_io_entry, &work);
+		dm_deferred_entry_dec(h->all_io_entry, &work);
 		spin_lock_irqsave(&pool->lock, flags);
 		list_for_each_entry_safe(m, tmp, &work, list)
 			list_add(&m->list, &pool->prepared_discards);
@@ -3095,7 +2745,7 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
 
 static struct target_type thin_target = {
 	.name = "thin",
-	.version = {1, 4, 0},
+	.version = {1, 5, 0},
 	.module	= THIS_MODULE,
 	.ctr = thin_ctr,
 	.dtr = thin_dtr,
@@ -3125,10 +2775,6 @@ static int __init dm_thin_init(void)
 
 	r = -ENOMEM;
 
-	_cell_cache = KMEM_CACHE(dm_bio_prison_cell, 0);
-	if (!_cell_cache)
-		goto bad_cell_cache;
-
 	_new_mapping_cache = KMEM_CACHE(dm_thin_new_mapping, 0);
 	if (!_new_mapping_cache)
 		goto bad_new_mapping_cache;
@@ -3142,8 +2788,6 @@ static int __init dm_thin_init(void)
 bad_endio_hook_cache:
 	kmem_cache_destroy(_new_mapping_cache);
 bad_new_mapping_cache:
-	kmem_cache_destroy(_cell_cache);
-bad_cell_cache:
 	dm_unregister_target(&pool_target);
 bad_pool_target:
 	dm_unregister_target(&thin_target);
@@ -3156,7 +2800,6 @@ static void dm_thin_exit(void)
 	dm_unregister_target(&thin_target);
 	dm_unregister_target(&pool_target);
 
-	kmem_cache_destroy(_cell_cache);
 	kmem_cache_destroy(_new_mapping_cache);
 	kmem_cache_destroy(_endio_hook_cache);
 }
diff --git a/drivers/md/dm-verity.c b/drivers/md/dm-verity.c
index 892ae2766aa..9e7328bb403 100644
--- a/drivers/md/dm-verity.c
+++ b/drivers/md/dm-verity.c
@@ -438,7 +438,7 @@ static void verity_prefetch_io(struct dm_verity *v, struct dm_verity_io *io)
 		verity_hash_at_level(v, io->block, i, &hash_block_start, NULL);
 		verity_hash_at_level(v, io->block + io->n_blocks - 1, i, &hash_block_end, NULL);
 		if (!i) {
-			unsigned cluster = *(volatile unsigned *)&dm_verity_prefetch_cluster;
+			unsigned cluster = ACCESS_ONCE(dm_verity_prefetch_cluster);
 
 			cluster >>= v->data_dev_block_bits;
 			if (unlikely(!cluster))
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 67ffa391edc..02db9183ca0 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -71,6 +71,7 @@ struct dm_target_io {
 	struct dm_io *io;
 	struct dm_target *ti;
 	union map_info info;
+	struct bio clone;
 };
 
 /*
@@ -86,12 +87,17 @@ struct dm_rq_target_io {
 };
 
 /*
- * For request-based dm.
- * One of these is allocated per bio.
+ * For request-based dm - the bio clones we allocate are embedded in these
+ * structs.
+ *
+ * We allocate these with bio_alloc_bioset, using the front_pad parameter when
+ * the bioset is created - this means the bio has to come at the end of the
+ * struct.
  */
 struct dm_rq_clone_bio_info {
 	struct bio *orig;
 	struct dm_rq_target_io *tio;
+	struct bio clone;
 };
 
 union map_info *dm_get_mapinfo(struct bio *bio)
@@ -209,8 +215,12 @@ struct dm_md_mempools {
 
 #define MIN_IOS 256
 static struct kmem_cache *_io_cache;
-static struct kmem_cache *_tio_cache;
 static struct kmem_cache *_rq_tio_cache;
+
+/*
+ * Unused now, and needs to be deleted. But since io_pool is overloaded and it's
+ * still used for _io_cache, I'm leaving this for a later cleanup
+ */
 static struct kmem_cache *_rq_bio_info_cache;
 
 static int __init local_init(void)
@@ -222,14 +232,9 @@ static int __init local_init(void)
 	if (!_io_cache)
 		return r;
 
-	/* allocate a slab for the target ios */
-	_tio_cache = KMEM_CACHE(dm_target_io, 0);
-	if (!_tio_cache)
-		goto out_free_io_cache;
-
 	_rq_tio_cache = KMEM_CACHE(dm_rq_target_io, 0);
 	if (!_rq_tio_cache)
-		goto out_free_tio_cache;
+		goto out_free_io_cache;
 
 	_rq_bio_info_cache = KMEM_CACHE(dm_rq_clone_bio_info, 0);
 	if (!_rq_bio_info_cache)
@@ -255,8 +260,6 @@ out_free_rq_bio_info_cache:
 	kmem_cache_destroy(_rq_bio_info_cache);
 out_free_rq_tio_cache:
 	kmem_cache_destroy(_rq_tio_cache);
-out_free_tio_cache:
-	kmem_cache_destroy(_tio_cache);
 out_free_io_cache:
 	kmem_cache_destroy(_io_cache);
 
@@ -267,7 +270,6 @@ static void local_exit(void)
 {
 	kmem_cache_destroy(_rq_bio_info_cache);
 	kmem_cache_destroy(_rq_tio_cache);
-	kmem_cache_destroy(_tio_cache);
 	kmem_cache_destroy(_io_cache);
 	unregister_blkdev(_major, _name);
 	dm_uevent_exit();
@@ -453,7 +455,7 @@ static void free_io(struct mapped_device *md, struct dm_io *io)
 
 static void free_tio(struct mapped_device *md, struct dm_target_io *tio)
 {
-	mempool_free(tio, md->tio_pool);
+	bio_put(&tio->clone);
 }
 
 static struct dm_rq_target_io *alloc_rq_tio(struct mapped_device *md,
@@ -467,16 +469,6 @@ static void free_rq_tio(struct dm_rq_target_io *tio)
 	mempool_free(tio, tio->md->tio_pool);
 }
 
-static struct dm_rq_clone_bio_info *alloc_bio_info(struct mapped_device *md)
-{
-	return mempool_alloc(md->io_pool, GFP_ATOMIC);
-}
-
-static void free_bio_info(struct dm_rq_clone_bio_info *info)
-{
-	mempool_free(info, info->tio->md->io_pool);
-}
-
 static int md_in_flight(struct mapped_device *md)
 {
 	return atomic_read(&md->pending[READ]) +
@@ -681,13 +673,7 @@ static void clone_endio(struct bio *bio, int error)
 		}
 	}
 
-	/*
-	 * Store md for cleanup instead of tio which is about to get freed.
-	 */
-	bio->bi_private = md->bs;
-
 	free_tio(md, tio);
-	bio_put(bio);
 	dec_pending(io, error);
 }
 
@@ -1007,12 +993,12 @@ int dm_set_target_max_io_len(struct dm_target *ti, sector_t len)
 }
 EXPORT_SYMBOL_GPL(dm_set_target_max_io_len);
 
-static void __map_bio(struct dm_target *ti, struct bio *clone,
-		      struct dm_target_io *tio)
+static void __map_bio(struct dm_target *ti, struct dm_target_io *tio)
 {
 	int r;
 	sector_t sector;
 	struct mapped_device *md;
+	struct bio *clone = &tio->clone;
 
 	clone->bi_end_io = clone_endio;
 	clone->bi_private = tio;
@@ -1036,12 +1022,6 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
 		/* error the io and bail out, or requeue it if needed */
 		md = tio->io->md;
 		dec_pending(tio->io, r);
-		/*
-		 * Store bio_set for cleanup.
-		 */
-		clone->bi_end_io = NULL;
-		clone->bi_private = md->bs;
-		bio_put(clone);
 		free_tio(md, tio);
 	} else if (r) {
 		DMWARN("unimplemented target map return value: %d", r);
@@ -1059,25 +1039,16 @@ struct clone_info {
 	unsigned short idx;
 };
 
-static void dm_bio_destructor(struct bio *bio)
-{
-	struct bio_set *bs = bio->bi_private;
-
-	bio_free(bio, bs);
-}
-
 /*
  * Creates a little bio that just does part of a bvec.
  */
-static struct bio *split_bvec(struct bio *bio, sector_t sector,
-			      unsigned short idx, unsigned int offset,
-			      unsigned int len, struct bio_set *bs)
+static void split_bvec(struct dm_target_io *tio, struct bio *bio,
+		       sector_t sector, unsigned short idx, unsigned int offset,
+		       unsigned int len, struct bio_set *bs)
 {
-	struct bio *clone;
+	struct bio *clone = &tio->clone;
 	struct bio_vec *bv = bio->bi_io_vec + idx;
 
-	clone = bio_alloc_bioset(GFP_NOIO, 1, bs);
-	clone->bi_destructor = dm_bio_destructor;
 	*clone->bi_io_vec = *bv;
 
 	clone->bi_sector = sector;
@@ -1090,26 +1061,23 @@ static struct bio *split_bvec(struct bio *bio, sector_t sector,
 	clone->bi_flags |= 1 << BIO_CLONED;
 
 	if (bio_integrity(bio)) {
-		bio_integrity_clone(clone, bio, GFP_NOIO, bs);
+		bio_integrity_clone(clone, bio, GFP_NOIO);
 		bio_integrity_trim(clone,
 				   bio_sector_offset(bio, idx, offset), len);
 	}
-
-	return clone;
 }
 
 /*
  * Creates a bio that consists of range of complete bvecs.
  */
-static struct bio *clone_bio(struct bio *bio, sector_t sector,
-			     unsigned short idx, unsigned short bv_count,
-			     unsigned int len, struct bio_set *bs)
+static void clone_bio(struct dm_target_io *tio, struct bio *bio,
+		      sector_t sector, unsigned short idx,
+		      unsigned short bv_count, unsigned int len,
+		      struct bio_set *bs)
 {
-	struct bio *clone;
+	struct bio *clone = &tio->clone;
 
-	clone = bio_alloc_bioset(GFP_NOIO, bio->bi_max_vecs, bs);
 	__bio_clone(clone, bio);
-	clone->bi_destructor = dm_bio_destructor;
 	clone->bi_sector = sector;
 	clone->bi_idx = idx;
 	clone->bi_vcnt = idx + bv_count;
@@ -1117,20 +1085,22 @@ static struct bio *clone_bio(struct bio *bio, sector_t sector,
 	clone->bi_flags &= ~(1 << BIO_SEG_VALID);
 
 	if (bio_integrity(bio)) {
-		bio_integrity_clone(clone, bio, GFP_NOIO, bs);
+		bio_integrity_clone(clone, bio, GFP_NOIO);
 
 		if (idx != bio->bi_idx || clone->bi_size < bio->bi_size)
 			bio_integrity_trim(clone,
 					   bio_sector_offset(bio, idx, 0), len);
 	}
-
-	return clone;
 }
 
 static struct dm_target_io *alloc_tio(struct clone_info *ci,
-				      struct dm_target *ti)
+				      struct dm_target *ti, int nr_iovecs)
 {
-	struct dm_target_io *tio = mempool_alloc(ci->md->tio_pool, GFP_NOIO);
+	struct dm_target_io *tio;
+	struct bio *clone;
+
+	clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, ci->md->bs);
+	tio = container_of(clone, struct dm_target_io, clone);
 
 	tio->io = ci->io;
 	tio->ti = ti;
@@ -1142,8 +1112,8 @@ static struct dm_target_io *alloc_tio(struct clone_info *ci,
 static void __issue_target_request(struct clone_info *ci, struct dm_target *ti,
 				   unsigned request_nr, sector_t len)
 {
-	struct dm_target_io *tio = alloc_tio(ci, ti);
-	struct bio *clone;
+	struct dm_target_io *tio = alloc_tio(ci, ti, ci->bio->bi_max_vecs);
+	struct bio *clone = &tio->clone;
 
 	tio->info.target_request_nr = request_nr;
 
@@ -1152,15 +1122,14 @@ static void __issue_target_request(struct clone_info *ci, struct dm_target *ti,
 	 * ci->bio->bi_max_vecs is BIO_INLINE_VECS anyway, for both flush
 	 * and discard, so no need for concern about wasted bvec allocations.
 	 */
-	clone = bio_alloc_bioset(GFP_NOIO, ci->bio->bi_max_vecs, ci->md->bs);
-	__bio_clone(clone, ci->bio);
-	clone->bi_destructor = dm_bio_destructor;
+
+	 __bio_clone(clone, ci->bio);
 	if (len) {
 		clone->bi_sector = ci->sector;
 		clone->bi_size = to_bytes(len);
 	}
 
-	__map_bio(ti, clone, tio);
+	__map_bio(ti, tio);
 }
 
 static void __issue_target_requests(struct clone_info *ci, struct dm_target *ti,
@@ -1189,14 +1158,13 @@ static int __clone_and_map_empty_flush(struct clone_info *ci)
  */
 static void __clone_and_map_simple(struct clone_info *ci, struct dm_target *ti)
 {
-	struct bio *clone, *bio = ci->bio;
+	struct bio *bio = ci->bio;
 	struct dm_target_io *tio;
 
-	tio = alloc_tio(ci, ti);
-	clone = clone_bio(bio, ci->sector, ci->idx,
-			  bio->bi_vcnt - ci->idx, ci->sector_count,
-			  ci->md->bs);
-	__map_bio(ti, clone, tio);
+	tio = alloc_tio(ci, ti, bio->bi_max_vecs);
+	clone_bio(tio, bio, ci->sector, ci->idx, bio->bi_vcnt - ci->idx,
+		  ci->sector_count, ci->md->bs);
+	__map_bio(ti, tio);
 	ci->sector_count = 0;
 }
 
@@ -1234,7 +1202,7 @@ static int __clone_and_map_discard(struct clone_info *ci)
 
 static int __clone_and_map(struct clone_info *ci)
 {
-	struct bio *clone, *bio = ci->bio;
+	struct bio *bio = ci->bio;
 	struct dm_target *ti;
 	sector_t len = 0, max;
 	struct dm_target_io *tio;
@@ -1274,10 +1242,10 @@ static int __clone_and_map(struct clone_info *ci)
 			len += bv_len;
 		}
 
-		tio = alloc_tio(ci, ti);
-		clone = clone_bio(bio, ci->sector, ci->idx, i - ci->idx, len,
-				  ci->md->bs);
-		__map_bio(ti, clone, tio);
+		tio = alloc_tio(ci, ti, bio->bi_max_vecs);
+		clone_bio(tio, bio, ci->sector, ci->idx, i - ci->idx, len,
+			  ci->md->bs);
+		__map_bio(ti, tio);
 
 		ci->sector += len;
 		ci->sector_count -= len;
@@ -1302,12 +1270,11 @@ static int __clone_and_map(struct clone_info *ci)
 
 			len = min(remaining, max);
 
-			tio = alloc_tio(ci, ti);
-			clone = split_bvec(bio, ci->sector, ci->idx,
-					   bv->bv_offset + offset, len,
-					   ci->md->bs);
+			tio = alloc_tio(ci, ti, 1);
+			split_bvec(tio, bio, ci->sector, ci->idx,
+				   bv->bv_offset + offset, len, ci->md->bs);
 
-			__map_bio(ti, clone, tio);
+			__map_bio(ti, tio);
 
 			ci->sector += len;
 			ci->sector_count -= len;
@@ -1484,30 +1451,17 @@ void dm_dispatch_request(struct request *rq)
 }
 EXPORT_SYMBOL_GPL(dm_dispatch_request);
 
-static void dm_rq_bio_destructor(struct bio *bio)
-{
-	struct dm_rq_clone_bio_info *info = bio->bi_private;
-	struct mapped_device *md = info->tio->md;
-
-	free_bio_info(info);
-	bio_free(bio, md->bs);
-}
-
 static int dm_rq_bio_constructor(struct bio *bio, struct bio *bio_orig,
 				 void *data)
 {
 	struct dm_rq_target_io *tio = data;
-	struct mapped_device *md = tio->md;
-	struct dm_rq_clone_bio_info *info = alloc_bio_info(md);
-
-	if (!info)
-		return -ENOMEM;
+	struct dm_rq_clone_bio_info *info =
+		container_of(bio, struct dm_rq_clone_bio_info, clone);
 
 	info->orig = bio_orig;
 	info->tio = tio;
 	bio->bi_end_io = end_clone_bio;
 	bio->bi_private = info;
-	bio->bi_destructor = dm_rq_bio_destructor;
 
 	return 0;
 }
@@ -1988,7 +1942,7 @@ static void __bind_mempools(struct mapped_device *md, struct dm_table *t)
 {
 	struct dm_md_mempools *p;
 
-	if (md->io_pool && md->tio_pool && md->bs)
+	if (md->io_pool && (md->tio_pool || dm_table_get_type(t) == DM_TYPE_BIO_BASED) && md->bs)
 		/* the md already has necessary mempools */
 		goto out;
 
@@ -2765,13 +2719,18 @@ struct dm_md_mempools *dm_alloc_md_mempools(unsigned type, unsigned integrity)
 	if (!pools->io_pool)
 		goto free_pools_and_out;
 
-	pools->tio_pool = (type == DM_TYPE_BIO_BASED) ?
-			  mempool_create_slab_pool(MIN_IOS, _tio_cache) :
-			  mempool_create_slab_pool(MIN_IOS, _rq_tio_cache);
-	if (!pools->tio_pool)
-		goto free_io_pool_and_out;
+	pools->tio_pool = NULL;
+	if (type == DM_TYPE_REQUEST_BASED) {
+		pools->tio_pool = mempool_create_slab_pool(MIN_IOS, _rq_tio_cache);
+		if (!pools->tio_pool)
+			goto free_io_pool_and_out;
+	}
 
-	pools->bs = bioset_create(pool_size, 0);
+	pools->bs = (type == DM_TYPE_BIO_BASED) ?
+		bioset_create(pool_size,
+			      offsetof(struct dm_target_io, clone)) :
+		bioset_create(pool_size,
+			      offsetof(struct dm_rq_clone_bio_info, clone));
 	if (!pools->bs)
 		goto free_tio_pool_and_out;
 
@@ -2784,7 +2743,8 @@ free_bioset_and_out:
 	bioset_free(pools->bs);
 
 free_tio_pool_and_out:
-	mempool_destroy(pools->tio_pool);
+	if (pools->tio_pool)
+		mempool_destroy(pools->tio_pool);
 
 free_io_pool_and_out:
 	mempool_destroy(pools->io_pool);
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 45135f69509..5e7dc772f5d 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -315,8 +315,11 @@ static int run(struct mddev *mddev)
 	}
 	conf->nfaults = 0;
 
-	rdev_for_each(rdev, mddev)
+	rdev_for_each(rdev, mddev) {
 		conf->rdev = rdev;
+		disk_stack_limits(mddev->gendisk, rdev->bdev,
+				  rdev->data_offset << 9);
+	}
 
 	md_set_array_sectors(mddev, faulty_size(mddev, 0, 0));
 	mddev->private = conf;
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index fa211d80fc0..21014836bdb 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -138,6 +138,7 @@ static struct linear_conf *linear_conf(struct mddev *mddev, int raid_disks)
 	struct linear_conf *conf;
 	struct md_rdev *rdev;
 	int i, cnt;
+	bool discard_supported = false;
 
 	conf = kzalloc (sizeof (*conf) + raid_disks*sizeof(struct dev_info),
 			GFP_KERNEL);
@@ -171,6 +172,8 @@ static struct linear_conf *linear_conf(struct mddev *mddev, int raid_disks)
 		conf->array_sectors += rdev->sectors;
 		cnt++;
 
+		if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
+			discard_supported = true;
 	}
 	if (cnt != raid_disks) {
 		printk(KERN_ERR "md/linear:%s: not enough drives present. Aborting!\n",
@@ -178,6 +181,11 @@ static struct linear_conf *linear_conf(struct mddev *mddev, int raid_disks)
 		goto out;
 	}
 
+	if (!discard_supported)
+		queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
+	else
+		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
+
 	/*
 	 * Here we calculate the device offsets.
 	 */
@@ -244,7 +252,9 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
 	if (!newconf)
 		return -ENOMEM;
 
-	oldconf = rcu_dereference(mddev->private);
+	oldconf = rcu_dereference_protected(mddev->private,
+					    lockdep_is_held(
+						    &mddev->reconfig_mutex));
 	mddev->raid_disks++;
 	rcu_assign_pointer(mddev->private, newconf);
 	md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
@@ -256,7 +266,10 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
 
 static int linear_stop (struct mddev *mddev)
 {
-	struct linear_conf *conf = mddev->private;
+	struct linear_conf *conf =
+		rcu_dereference_protected(mddev->private,
+					  lockdep_is_held(
+						  &mddev->reconfig_mutex));
 
 	/*
 	 * We do not require rcu protection here since
@@ -326,6 +339,14 @@ static void linear_make_request(struct mddev *mddev, struct bio *bio)
 	bio->bi_sector = bio->bi_sector - start_sector
 		+ tmp_dev->rdev->data_offset;
 	rcu_read_unlock();
+
+	if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+		     !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) {
+		/* Just ignore it */
+		bio_endio(bio, 0);
+		return;
+	}
+
 	generic_make_request(bio);
 }
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 308e87b417e..9ab768acfb6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -155,32 +155,17 @@ static int start_readonly;
  * like bio_clone, but with a local bio set
  */
 
-static void mddev_bio_destructor(struct bio *bio)
-{
-	struct mddev *mddev, **mddevp;
-
-	mddevp = (void*)bio;
-	mddev = mddevp[-1];
-
-	bio_free(bio, mddev->bio_set);
-}
-
 struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
 			    struct mddev *mddev)
 {
 	struct bio *b;
-	struct mddev **mddevp;
 
 	if (!mddev || !mddev->bio_set)
 		return bio_alloc(gfp_mask, nr_iovecs);
 
-	b = bio_alloc_bioset(gfp_mask, nr_iovecs,
-			     mddev->bio_set);
+	b = bio_alloc_bioset(gfp_mask, nr_iovecs, mddev->bio_set);
 	if (!b)
 		return NULL;
-	mddevp = (void*)b;
-	mddevp[-1] = mddev;
-	b->bi_destructor = mddev_bio_destructor;
 	return b;
 }
 EXPORT_SYMBOL_GPL(bio_alloc_mddev);
@@ -188,32 +173,10 @@ EXPORT_SYMBOL_GPL(bio_alloc_mddev);
 struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
 			    struct mddev *mddev)
 {
-	struct bio *b;
-	struct mddev **mddevp;
-
 	if (!mddev || !mddev->bio_set)
 		return bio_clone(bio, gfp_mask);
 
-	b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs,
-			     mddev->bio_set);
-	if (!b)
-		return NULL;
-	mddevp = (void*)b;
-	mddevp[-1] = mddev;
-	b->bi_destructor = mddev_bio_destructor;
-	__bio_clone(b, bio);
-	if (bio_integrity(bio)) {
-		int ret;
-
-		ret = bio_integrity_clone(b, bio, gfp_mask, mddev->bio_set);
-
-		if (ret < 0) {
-			bio_put(b);
-			return NULL;
-		}
-	}
-
-	return b;
+	return bio_clone_bioset(bio, gfp_mask, mddev->bio_set);
 }
 EXPORT_SYMBOL_GPL(bio_clone_mddev);
 
@@ -711,7 +674,18 @@ static struct md_rdev * find_rdev_nr(struct mddev *mddev, int nr)
 	return NULL;
 }
 
-static struct md_rdev * find_rdev(struct mddev * mddev, dev_t dev)
+static struct md_rdev *find_rdev_nr_rcu(struct mddev *mddev, int nr)
+{
+	struct md_rdev *rdev;
+
+	rdev_for_each_rcu(rdev, mddev)
+		if (rdev->desc_nr == nr)
+			return rdev;
+
+	return NULL;
+}
+
+static struct md_rdev *find_rdev(struct mddev *mddev, dev_t dev)
 {
 	struct md_rdev *rdev;
 
@@ -722,6 +696,17 @@ static struct md_rdev * find_rdev(struct mddev * mddev, dev_t dev)
 	return NULL;
 }
 
+static struct md_rdev *find_rdev_rcu(struct mddev *mddev, dev_t dev)
+{
+	struct md_rdev *rdev;
+
+	rdev_for_each_rcu(rdev, mddev)
+		if (rdev->bdev->bd_dev == dev)
+			return rdev;
+
+	return NULL;
+}
+
 static struct md_personality *find_pers(int level, char *clevel)
 {
 	struct md_personality *pers;
@@ -2059,8 +2044,14 @@ EXPORT_SYMBOL(md_integrity_register);
 /* Disable data integrity if non-capable/non-matching disk is being added */
 void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev)
 {
-	struct blk_integrity *bi_rdev = bdev_get_integrity(rdev->bdev);
-	struct blk_integrity *bi_mddev = blk_get_integrity(mddev->gendisk);
+	struct blk_integrity *bi_rdev;
+	struct blk_integrity *bi_mddev;
+
+	if (!mddev->gendisk)
+		return;
+
+	bi_rdev = bdev_get_integrity(rdev->bdev);
+	bi_mddev = blk_get_integrity(mddev->gendisk);
 
 	if (!bi_mddev) /* nothing to do */
 		return;
@@ -3791,6 +3782,8 @@ resync_start_store(struct mddev *mddev, const char *buf, size_t len)
 		return -EINVAL;
 
 	mddev->recovery_cp = n;
+	if (mddev->pers)
+		set_bit(MD_CHANGE_CLEAN, &mddev->flags);
 	return len;
 }
 static struct md_sysfs_entry md_resync_start =
@@ -4268,6 +4261,13 @@ action_store(struct mddev *mddev, const char *page, size_t len)
 		set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery);
 		set_bit(MD_RECOVERY_SYNC, &mddev->recovery);
 	}
+	if (mddev->ro == 2) {
+		/* A write to sync_action is enough to justify
+		 * canceling read-auto mode
+		 */
+		mddev->ro = 0;
+		md_wakeup_thread(mddev->sync_thread);
+	}
 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	md_wakeup_thread(mddev->thread);
 	sysfs_notify_dirent_safe(mddev->sysfs_action);
@@ -4278,7 +4278,8 @@ static ssize_t
 mismatch_cnt_show(struct mddev *mddev, char *page)
 {
 	return sprintf(page, "%llu\n",
-		       (unsigned long long) mddev->resync_mismatches);
+		       (unsigned long long)
+		       atomic64_read(&mddev->resync_mismatches));
 }
 
 static struct md_sysfs_entry md_scan_mode =
@@ -4399,6 +4400,10 @@ sync_completed_show(struct mddev *mddev, char *page)
 	if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
 		return sprintf(page, "none\n");
 
+	if (mddev->curr_resync == 1 ||
+	    mddev->curr_resync == 2)
+		return sprintf(page, "delayed\n");
+
 	if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) ||
 	    test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
 		max_sectors = mddev->resync_max_sectors;
@@ -5006,8 +5011,7 @@ int md_run(struct mddev *mddev)
 	}
 
 	if (mddev->bio_set == NULL)
-		mddev->bio_set = bioset_create(BIO_POOL_SIZE,
-					       sizeof(struct mddev *));
+		mddev->bio_set = bioset_create(BIO_POOL_SIZE, 0);
 
 	spin_lock(&pers_lock);
 	pers = find_pers(mddev->level, mddev->clevel);
@@ -5245,7 +5249,7 @@ static void md_clean(struct mddev *mddev)
 	mddev->new_layout = 0;
 	mddev->new_chunk_sectors = 0;
 	mddev->curr_resync = 0;
-	mddev->resync_mismatches = 0;
+	atomic64_set(&mddev->resync_mismatches, 0);
 	mddev->suspend_lo = mddev->suspend_hi = 0;
 	mddev->sync_speed_min = mddev->sync_speed_max = 0;
 	mddev->recovery = 0;
@@ -5547,8 +5551,9 @@ static int get_array_info(struct mddev * mddev, void __user * arg)
 	int nr,working,insync,failed,spare;
 	struct md_rdev *rdev;
 
-	nr=working=insync=failed=spare=0;
-	rdev_for_each(rdev, mddev) {
+	nr = working = insync = failed = spare = 0;
+	rcu_read_lock();
+	rdev_for_each_rcu(rdev, mddev) {
 		nr++;
 		if (test_bit(Faulty, &rdev->flags))
 			failed++;
@@ -5560,6 +5565,7 @@ static int get_array_info(struct mddev * mddev, void __user * arg)
 				spare++;
 		}
 	}
+	rcu_read_unlock();
 
 	info.major_version = mddev->major_version;
 	info.minor_version = mddev->minor_version;
@@ -5643,7 +5649,8 @@ static int get_disk_info(struct mddev * mddev, void __user * arg)
 	if (copy_from_user(&info, arg, sizeof(info)))
 		return -EFAULT;
 
-	rdev = find_rdev_nr(mddev, info.number);
+	rcu_read_lock();
+	rdev = find_rdev_nr_rcu(mddev, info.number);
 	if (rdev) {
 		info.major = MAJOR(rdev->bdev->bd_dev);
 		info.minor = MINOR(rdev->bdev->bd_dev);
@@ -5662,6 +5669,7 @@ static int get_disk_info(struct mddev * mddev, void __user * arg)
 		info.raid_disk = -1;
 		info.state = (1<<MD_DISK_REMOVED);
 	}
+	rcu_read_unlock();
 
 	if (copy_to_user(arg, &info, sizeof(info)))
 		return -EFAULT;
@@ -6270,18 +6278,22 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
 static int set_disk_faulty(struct mddev *mddev, dev_t dev)
 {
 	struct md_rdev *rdev;
+	int err = 0;
 
 	if (mddev->pers == NULL)
 		return -ENODEV;
 
-	rdev = find_rdev(mddev, dev);
+	rcu_read_lock();
+	rdev = find_rdev_rcu(mddev, dev);
 	if (!rdev)
-		return -ENODEV;
-
-	md_error(mddev, rdev);
-	if (!test_bit(Faulty, &rdev->flags))
-		return -EBUSY;
-	return 0;
+		err =  -ENODEV;
+	else {
+		md_error(mddev, rdev);
+		if (!test_bit(Faulty, &rdev->flags))
+			err = -EBUSY;
+	}
+	rcu_read_unlock();
+	return err;
 }
 
 /*
@@ -6353,6 +6365,27 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 		goto abort;
 	}
 
+	/* Some actions do not requires the mutex */
+	switch (cmd) {
+	case GET_ARRAY_INFO:
+		if (!mddev->raid_disks && !mddev->external)
+			err = -ENODEV;
+		else
+			err = get_array_info(mddev, argp);
+		goto abort;
+
+	case GET_DISK_INFO:
+		if (!mddev->raid_disks && !mddev->external)
+			err = -ENODEV;
+		else
+			err = get_disk_info(mddev, argp);
+		goto abort;
+
+	case SET_DISK_FAULTY:
+		err = set_disk_faulty(mddev, new_decode_dev(arg));
+		goto abort;
+	}
+
 	err = mddev_lock(mddev);
 	if (err) {
 		printk(KERN_INFO 
@@ -6425,18 +6458,10 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 	 */
 	switch (cmd)
 	{
-		case GET_ARRAY_INFO:
-			err = get_array_info(mddev, argp);
-			goto done_unlock;
-
 		case GET_BITMAP_FILE:
 			err = get_bitmap_file(mddev, argp);
 			goto done_unlock;
 
-		case GET_DISK_INFO:
-			err = get_disk_info(mddev, argp);
-			goto done_unlock;
-
 		case RESTART_ARRAY_RW:
 			err = restart_array(mddev);
 			goto done_unlock;
@@ -6518,10 +6543,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 			err = hot_add_disk(mddev, new_decode_dev(arg));
 			goto done_unlock;
 
-		case SET_DISK_FAULTY:
-			err = set_disk_faulty(mddev, new_decode_dev(arg));
-			goto done_unlock;
-
 		case RUN_ARRAY:
 			err = do_md_run(mddev);
 			goto done_unlock;
@@ -6679,7 +6700,7 @@ static int md_thread(void * arg)
 
 		clear_bit(THREAD_WAKEUP, &thread->flags);
 		if (!kthread_should_stop())
-			thread->run(thread->mddev);
+			thread->run(thread);
 	}
 
 	return 0;
@@ -6694,8 +6715,8 @@ void md_wakeup_thread(struct md_thread *thread)
 	}
 }
 
-struct md_thread *md_register_thread(void (*run) (struct mddev *), struct mddev *mddev,
-				 const char *name)
+struct md_thread *md_register_thread(void (*run) (struct md_thread *),
+		struct mddev *mddev, const char *name)
 {
 	struct md_thread *thread;
 
@@ -6790,7 +6811,11 @@ static void status_resync(struct seq_file *seq, struct mddev * mddev)
 	int scale;
 	unsigned int per_milli;
 
-	resync = mddev->curr_resync - atomic_read(&mddev->recovery_active);
+	if (mddev->curr_resync <= 3)
+		resync = 0;
+	else
+		resync = mddev->curr_resync
+			- atomic_read(&mddev->recovery_active);
 
 	if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery) ||
 	    test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery))
@@ -7016,7 +7041,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
 				if (mddev->curr_resync > 2) {
 					status_resync(seq, mddev);
 					seq_printf(seq, "\n      ");
-				} else if (mddev->curr_resync == 1 || mddev->curr_resync == 2)
+				} else if (mddev->curr_resync >= 1)
 					seq_printf(seq, "\tresync=DELAYED\n      ");
 				else if (mddev->recovery_cp < MaxSector)
 					seq_printf(seq, "\tresync=PENDING\n      ");
@@ -7244,8 +7269,9 @@ EXPORT_SYMBOL_GPL(md_allow_write);
 
 #define SYNC_MARKS	10
 #define	SYNC_MARK_STEP	(3*HZ)
-void md_do_sync(struct mddev *mddev)
+void md_do_sync(struct md_thread *thread)
 {
+	struct mddev *mddev = thread->mddev;
 	struct mddev *mddev2;
 	unsigned int currspeed = 0,
 		 window;
@@ -7349,7 +7375,7 @@ void md_do_sync(struct mddev *mddev)
 		 * which defaults to physical size, but can be virtual size
 		 */
 		max_sectors = mddev->resync_max_sectors;
-		mddev->resync_mismatches = 0;
+		atomic64_set(&mddev->resync_mismatches, 0);
 		/* we don't use the checkpoint if there's a bitmap */
 		if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
 			j = mddev->resync_min;
@@ -7405,8 +7431,11 @@ void md_do_sync(struct mddev *mddev)
 		       "md: resuming %s of %s from checkpoint.\n",
 		       desc, mdname(mddev));
 		mddev->curr_resync = j;
-	}
+	} else
+		mddev->curr_resync = 3; /* no longer delayed */
 	mddev->curr_resync_completed = j;
+	sysfs_notify(&mddev->kobj, NULL, "sync_completed");
+	md_new_event(mddev);
 
 	blk_start_plug(&plug);
 	while (j < max_sectors) {
@@ -7459,7 +7488,8 @@ void md_do_sync(struct mddev *mddev)
 			break;
 
 		j += sectors;
-		if (j>1) mddev->curr_resync = j;
+		if (j > 2)
+			mddev->curr_resync = j;
 		mddev->curr_mark_cnt = io_sectors;
 		if (last_check == 0)
 			/* this is the earliest that rebuild will be
@@ -7581,8 +7611,6 @@ static int remove_and_add_spares(struct mddev *mddev)
 	int spares = 0;
 	int removed = 0;
 
-	mddev->curr_resync_completed = 0;
-
 	rdev_for_each(rdev, mddev)
 		if (rdev->raid_disk >= 0 &&
 		    !test_bit(Blocked, &rdev->flags) &&
@@ -7777,6 +7805,7 @@ void md_check_recovery(struct mddev *mddev)
 		/* Set RUNNING before clearing NEEDED to avoid
 		 * any transients in the value of "sync_action".
 		 */
+		mddev->curr_resync_completed = 0;
 		set_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
 		/* Clear some bits that don't mean anything, but
 		 * might be left set
@@ -7790,7 +7819,7 @@ void md_check_recovery(struct mddev *mddev)
 		/* no recovery is running.
 		 * remove any failed drives, then
 		 * add spares if possible.
-		 * Spare are also removed and re-added, to allow
+		 * Spares are also removed and re-added, to allow
 		 * the personality to fail the re-add.
 		 */
 
diff --git a/drivers/md/md.h b/drivers/md/md.h
index f385b038589..af443ab868d 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -282,7 +282,7 @@ struct mddev {
 
 	sector_t			resync_max_sectors; /* may be set by personality */
 
-	sector_t			resync_mismatches; /* count of sectors where
+	atomic64_t			resync_mismatches; /* count of sectors where
 							    * parity/replica mismatch found
 							    */
 
@@ -540,12 +540,13 @@ static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)
 	list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set)
 
 struct md_thread {
-	void			(*run) (struct mddev *mddev);
+	void			(*run) (struct md_thread *thread);
 	struct mddev		*mddev;
 	wait_queue_head_t	wqueue;
 	unsigned long           flags;
 	struct task_struct	*tsk;
 	unsigned long		timeout;
+	void			*private;
 };
 
 #define THREAD_WAKEUP  0
@@ -584,7 +585,7 @@ static inline void safe_put_page(struct page *p)
 extern int register_md_personality(struct md_personality *p);
 extern int unregister_md_personality(struct md_personality *p);
 extern struct md_thread *md_register_thread(
-	void (*run)(struct mddev *mddev),
+	void (*run)(struct md_thread *thread),
 	struct mddev *mddev,
 	const char *name);
 extern void md_unregister_thread(struct md_thread **threadp);
@@ -603,7 +604,7 @@ extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
 extern void md_super_wait(struct mddev *mddev);
 extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, 
 			struct page *page, int rw, bool metadata_op);
-extern void md_do_sync(struct mddev *mddev);
+extern void md_do_sync(struct md_thread *thread);
 extern void md_new_event(struct mddev *mddev);
 extern int md_allow_write(struct mddev *mddev);
 extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev);
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 61a1833ebaf..1642eae75a3 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -335,8 +335,9 @@ abort:
  *	3.	Performs writes following reads for array syncronising.
  */
 
-static void multipathd (struct mddev *mddev)
+static void multipathd(struct md_thread *thread)
 {
+	struct mddev *mddev = thread->mddev;
 	struct multipath_bh *mp_bh;
 	struct bio *bio;
 	unsigned long flags;
diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c
index d77602d63c8..f3a9af8cdec 100644
--- a/drivers/md/persistent-data/dm-space-map-common.c
+++ b/drivers/md/persistent-data/dm-space-map-common.c
@@ -434,14 +434,14 @@ int sm_ll_insert(struct ll_disk *ll, dm_block_t b,
 	if (ref_count && !old) {
 		*ev = SM_ALLOC;
 		ll->nr_allocated++;
-		ie_disk.nr_free = cpu_to_le32(le32_to_cpu(ie_disk.nr_free) - 1);
+		le32_add_cpu(&ie_disk.nr_free, -1);
 		if (le32_to_cpu(ie_disk.none_free_before) == bit)
 			ie_disk.none_free_before = cpu_to_le32(bit + 1);
 
 	} else if (old && !ref_count) {
 		*ev = SM_FREE;
 		ll->nr_allocated--;
-		ie_disk.nr_free = cpu_to_le32(le32_to_cpu(ie_disk.nr_free) + 1);
+		le32_add_cpu(&ie_disk.nr_free, 1);
 		ie_disk.none_free_before = cpu_to_le32(min(le32_to_cpu(ie_disk.none_free_before), bit));
 	}
 
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index de63a1fc373..24b359717a7 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -88,6 +88,7 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
 	char b[BDEVNAME_SIZE];
 	char b2[BDEVNAME_SIZE];
 	struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
+	bool discard_supported = false;
 
 	if (!conf)
 		return -ENOMEM;
@@ -195,6 +196,9 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
 		if (!smallest || (rdev1->sectors < smallest->sectors))
 			smallest = rdev1;
 		cnt++;
+
+		if (blk_queue_discard(bdev_get_queue(rdev1->bdev)))
+			discard_supported = true;
 	}
 	if (cnt != mddev->raid_disks) {
 		printk(KERN_ERR "md/raid0:%s: too few disks (%d of %d) - "
@@ -272,6 +276,11 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
 	blk_queue_io_opt(mddev->queue,
 			 (mddev->chunk_sectors << 9) * mddev->raid_disks);
 
+	if (!discard_supported)
+		queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
+	else
+		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
+
 	pr_debug("md/raid0:%s: done.\n", mdname(mddev));
 	*private_conf = conf;
 
@@ -422,6 +431,8 @@ static int raid0_run(struct mddev *mddev)
 	if (md_check_no_bitmap(mddev))
 		return -EINVAL;
 	blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors);
+	blk_queue_max_write_same_sectors(mddev->queue, mddev->chunk_sectors);
+	blk_queue_max_discard_sectors(mddev->queue, mddev->chunk_sectors);
 
 	/* if private is not null, we are here after takeover */
 	if (mddev->private == NULL) {
@@ -509,7 +520,7 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio)
 		sector_t sector = bio->bi_sector;
 		struct bio_pair *bp;
 		/* Sanity check -- queue functions should prevent this happening */
-		if (bio->bi_vcnt != 1 ||
+		if ((bio->bi_vcnt != 1 && bio->bi_vcnt != 0) ||
 		    bio->bi_idx != 0)
 			goto bad_map;
 		/* This is a one page bio that upper layers
@@ -535,6 +546,13 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio)
 	bio->bi_sector = sector_offset + zone->dev_start +
 		tmp_dev->data_offset;
 
+	if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+		     !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) {
+		/* Just ignore it */
+		bio_endio(bio, 0);
+		return;
+	}
+
 	generic_make_request(bio);
 	return;
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 611b5f79761..636bae0405e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -333,9 +333,10 @@ static void raid1_end_read_request(struct bio *bio, int error)
 		spin_unlock_irqrestore(&conf->device_lock, flags);
 	}
 
-	if (uptodate)
+	if (uptodate) {
 		raid_end_bio_io(r1_bio);
-	else {
+		rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
+	} else {
 		/*
 		 * oops, read error:
 		 */
@@ -349,9 +350,8 @@ static void raid1_end_read_request(struct bio *bio, int error)
 			(unsigned long long)r1_bio->sector);
 		set_bit(R1BIO_ReadError, &r1_bio->state);
 		reschedule_retry(r1_bio);
+		/* don't drop the reference on read_disk yet */
 	}
-
-	rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
 }
 
 static void close_write(struct r1bio *r1_bio)
@@ -781,7 +781,12 @@ static void flush_pending_writes(struct r1conf *conf)
 		while (bio) { /* submit pending writes */
 			struct bio *next = bio->bi_next;
 			bio->bi_next = NULL;
-			generic_make_request(bio);
+			if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+			    !blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
+				/* Just ignore it */
+				bio_endio(bio, 0);
+			else
+				generic_make_request(bio);
 			bio = next;
 		}
 	} else
@@ -994,6 +999,8 @@ static void make_request(struct mddev *mddev, struct bio * bio)
 	const int rw = bio_data_dir(bio);
 	const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
 	const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA));
+	const unsigned long do_discard = (bio->bi_rw
+					  & (REQ_DISCARD | REQ_SECURE));
 	struct md_rdev *blocked_rdev;
 	struct blk_plug_cb *cb;
 	struct raid1_plug_cb *plug = NULL;
@@ -1295,7 +1302,7 @@ read_again:
 				   conf->mirrors[i].rdev->data_offset);
 		mbio->bi_bdev = conf->mirrors[i].rdev->bdev;
 		mbio->bi_end_io	= raid1_end_write_request;
-		mbio->bi_rw = WRITE | do_flush_fua | do_sync;
+		mbio->bi_rw = WRITE | do_flush_fua | do_sync | do_discard;
 		mbio->bi_private = r1_bio;
 
 		atomic_inc(&r1_bio->remaining);
@@ -1549,6 +1556,8 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
 		clear_bit(Unmerged, &rdev->flags);
 	}
 	md_integrity_add_rdev(rdev, mddev);
+	if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
+		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
 	print_conf(conf);
 	return err;
 }
@@ -1867,7 +1876,7 @@ static int process_checks(struct r1bio *r1_bio)
 		} else
 			j = 0;
 		if (j >= 0)
-			mddev->resync_mismatches += r1_bio->sectors;
+			atomic64_add(r1_bio->sectors, &mddev->resync_mismatches);
 		if (j < 0 || (test_bit(MD_RECOVERY_CHECK, &mddev->recovery)
 			      && test_bit(BIO_UPTODATE, &sbio->bi_flags))) {
 			/* No need to write to this device. */
@@ -2220,6 +2229,7 @@ static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio)
 		unfreeze_array(conf);
 	} else
 		md_error(mddev, conf->mirrors[r1_bio->read_disk].rdev);
+	rdev_dec_pending(conf->mirrors[r1_bio->read_disk].rdev, conf->mddev);
 
 	bio = r1_bio->bios[r1_bio->read_disk];
 	bdevname(bio->bi_bdev, b);
@@ -2285,8 +2295,9 @@ read_more:
 	}
 }
 
-static void raid1d(struct mddev *mddev)
+static void raid1d(struct md_thread *thread)
 {
+	struct mddev *mddev = thread->mddev;
 	struct r1bio *r1_bio;
 	unsigned long flags;
 	struct r1conf *conf = mddev->private;
@@ -2699,7 +2710,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
 		    || disk_idx < 0)
 			continue;
 		if (test_bit(Replacement, &rdev->flags))
-			disk = conf->mirrors + conf->raid_disks + disk_idx;
+			disk = conf->mirrors + mddev->raid_disks + disk_idx;
 		else
 			disk = conf->mirrors + disk_idx;
 
@@ -2783,6 +2794,7 @@ static int run(struct mddev *mddev)
 	int i;
 	struct md_rdev *rdev;
 	int ret;
+	bool discard_supported = false;
 
 	if (mddev->level != 1) {
 		printk(KERN_ERR "md/raid1:%s: raid level not set to mirroring (%d)\n",
@@ -2812,6 +2824,8 @@ static int run(struct mddev *mddev)
 			continue;
 		disk_stack_limits(mddev->gendisk, rdev->bdev,
 				  rdev->data_offset << 9);
+		if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
+			discard_supported = true;
 	}
 
 	mddev->degraded = 0;
@@ -2846,6 +2860,13 @@ static int run(struct mddev *mddev)
 		mddev->queue->backing_dev_info.congested_fn = raid1_congested;
 		mddev->queue->backing_dev_info.congested_data = mddev;
 		blk_queue_merge_bvec(mddev->queue, raid1_mergeable_bvec);
+
+		if (discard_supported)
+			queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
+						mddev->queue);
+		else
+			queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD,
+						  mddev->queue);
 	}
 
 	ret =  md_integrity_register(mddev);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0138a727c1f..d1295aff417 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -911,7 +911,12 @@ static void flush_pending_writes(struct r10conf *conf)
 		while (bio) { /* submit pending writes */
 			struct bio *next = bio->bi_next;
 			bio->bi_next = NULL;
-			generic_make_request(bio);
+			if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+			    !blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
+				/* Just ignore it */
+				bio_endio(bio, 0);
+			else
+				generic_make_request(bio);
 			bio = next;
 		}
 	} else
@@ -1050,6 +1055,44 @@ static sector_t choose_data_offset(struct r10bio *r10_bio,
 		return rdev->new_data_offset;
 }
 
+struct raid10_plug_cb {
+	struct blk_plug_cb	cb;
+	struct bio_list		pending;
+	int			pending_cnt;
+};
+
+static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
+{
+	struct raid10_plug_cb *plug = container_of(cb, struct raid10_plug_cb,
+						   cb);
+	struct mddev *mddev = plug->cb.data;
+	struct r10conf *conf = mddev->private;
+	struct bio *bio;
+
+	if (from_schedule) {
+		spin_lock_irq(&conf->device_lock);
+		bio_list_merge(&conf->pending_bio_list, &plug->pending);
+		conf->pending_count += plug->pending_cnt;
+		spin_unlock_irq(&conf->device_lock);
+		md_wakeup_thread(mddev->thread);
+		kfree(plug);
+		return;
+	}
+
+	/* we aren't scheduling, so we can do the write-out directly. */
+	bio = bio_list_get(&plug->pending);
+	bitmap_unplug(mddev->bitmap);
+	wake_up(&conf->wait_barrier);
+
+	while (bio) { /* submit pending writes */
+		struct bio *next = bio->bi_next;
+		bio->bi_next = NULL;
+		generic_make_request(bio);
+		bio = next;
+	}
+	kfree(plug);
+}
+
 static void make_request(struct mddev *mddev, struct bio * bio)
 {
 	struct r10conf *conf = mddev->private;
@@ -1061,8 +1104,12 @@ static void make_request(struct mddev *mddev, struct bio * bio)
 	const int rw = bio_data_dir(bio);
 	const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
 	const unsigned long do_fua = (bio->bi_rw & REQ_FUA);
+	const unsigned long do_discard = (bio->bi_rw
+					  & (REQ_DISCARD | REQ_SECURE));
 	unsigned long flags;
 	struct md_rdev *blocked_rdev;
+	struct blk_plug_cb *cb;
+	struct raid10_plug_cb *plug = NULL;
 	int sectors_handled;
 	int max_sectors;
 	int sectors;
@@ -1081,7 +1128,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)
 			 || conf->prev.near_copies < conf->prev.raid_disks))) {
 		struct bio_pair *bp;
 		/* Sanity check -- queue functions should prevent this happening */
-		if (bio->bi_vcnt != 1 ||
+		if ((bio->bi_vcnt != 1 && bio->bi_vcnt != 0) ||
 		    bio->bi_idx != 0)
 			goto bad_map;
 		/* This is a one page bio that upper layers
@@ -1410,15 +1457,26 @@ retry_write:
 						      conf->mirrors[d].rdev));
 		mbio->bi_bdev = conf->mirrors[d].rdev->bdev;
 		mbio->bi_end_io	= raid10_end_write_request;
-		mbio->bi_rw = WRITE | do_sync | do_fua;
+		mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
 		mbio->bi_private = r10_bio;
 
 		atomic_inc(&r10_bio->remaining);
+
+		cb = blk_check_plugged(raid10_unplug, mddev, sizeof(*plug));
+		if (cb)
+			plug = container_of(cb, struct raid10_plug_cb, cb);
+		else
+			plug = NULL;
 		spin_lock_irqsave(&conf->device_lock, flags);
-		bio_list_add(&conf->pending_bio_list, mbio);
-		conf->pending_count++;
+		if (plug) {
+			bio_list_add(&plug->pending, mbio);
+			plug->pending_cnt++;
+		} else {
+			bio_list_add(&conf->pending_bio_list, mbio);
+			conf->pending_count++;
+		}
 		spin_unlock_irqrestore(&conf->device_lock, flags);
-		if (!mddev_check_plugged(mddev))
+		if (!plug)
 			md_wakeup_thread(mddev->thread);
 
 		if (!r10_bio->devs[i].repl_bio)
@@ -1439,7 +1497,7 @@ retry_write:
 					   conf->mirrors[d].replacement));
 		mbio->bi_bdev = conf->mirrors[d].replacement->bdev;
 		mbio->bi_end_io	= raid10_end_write_request;
-		mbio->bi_rw = WRITE | do_sync | do_fua;
+		mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
 		mbio->bi_private = r10_bio;
 
 		atomic_inc(&r10_bio->remaining);
@@ -1638,7 +1696,7 @@ static int raid10_spare_active(struct mddev *mddev)
 			   && !test_bit(Faulty, &tmp->rdev->flags)
 			   && !test_and_set_bit(In_sync, &tmp->rdev->flags)) {
 			count++;
-			sysfs_notify_dirent(tmp->rdev->sysfs_state);
+			sysfs_notify_dirent_safe(tmp->rdev->sysfs_state);
 		}
 	}
 	spin_lock_irqsave(&conf->device_lock, flags);
@@ -1725,6 +1783,9 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
 		clear_bit(Unmerged, &rdev->flags);
 	}
 	md_integrity_add_rdev(rdev, mddev);
+	if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev)))
+		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
+
 	print_conf(conf);
 	return err;
 }
@@ -1952,7 +2013,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
 					break;
 			if (j == vcnt)
 				continue;
-			mddev->resync_mismatches += r10_bio->sectors;
+			atomic64_add(r10_bio->sectors, &mddev->resync_mismatches);
 			if (test_bit(MD_RECOVERY_CHECK, &mddev->recovery))
 				/* Don't fix anything. */
 				continue;
@@ -2673,8 +2734,9 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
 	}
 }
 
-static void raid10d(struct mddev *mddev)
+static void raid10d(struct md_thread *thread)
 {
+	struct mddev *mddev = thread->mddev;
 	struct r10bio *r10_bio;
 	unsigned long flags;
 	struct r10conf *conf = mddev->private;
@@ -3158,7 +3220,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
 				else {
 					bad_sectors -= (sector - first_bad);
 					if (max_sync > bad_sectors)
-						max_sync = max_sync;
+						max_sync = bad_sectors;
 					continue;
 				}
 			}
@@ -3482,6 +3544,7 @@ static int run(struct mddev *mddev)
 	sector_t size;
 	sector_t min_offset_diff = 0;
 	int first = 1;
+	bool discard_supported = false;
 
 	if (mddev->private == NULL) {
 		conf = setup_conf(mddev);
@@ -3498,6 +3561,8 @@ static int run(struct mddev *mddev)
 
 	chunk_size = mddev->chunk_sectors << 9;
 	if (mddev->queue) {
+		blk_queue_max_discard_sectors(mddev->queue,
+					      mddev->chunk_sectors);
 		blk_queue_io_min(mddev->queue, chunk_size);
 		if (conf->geo.raid_disks % conf->geo.near_copies)
 			blk_queue_io_opt(mddev->queue, chunk_size * conf->geo.raid_disks);
@@ -3543,8 +3608,19 @@ static int run(struct mddev *mddev)
 					  rdev->data_offset << 9);
 
 		disk->head_position = 0;
+
+		if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
+			discard_supported = true;
 	}
 
+	if (mddev->queue) {
+		if (discard_supported)
+			queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
+						mddev->queue);
+		else
+			queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD,
+						  mddev->queue);
+	}
 	/* need to check that every block has at least one working mirror */
 	if (!enough(conf, -1)) {
 		printk(KERN_ERR "md/raid10:%s: not enough operational mirrors.\n",
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 0689173fd9f..c5439dce029 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -551,6 +551,8 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)
 				rw = WRITE_FUA;
 			else
 				rw = WRITE;
+			if (test_bit(R5_Discard, &sh->dev[i].flags))
+				rw |= REQ_DISCARD;
 		} else if (test_and_clear_bit(R5_Wantread, &sh->dev[i].flags))
 			rw = READ;
 		else if (test_and_clear_bit(R5_WantReplace,
@@ -1174,8 +1176,11 @@ ops_run_biodrain(struct stripe_head *sh, struct dma_async_tx_descriptor *tx)
 					set_bit(R5_WantFUA, &dev->flags);
 				if (wbi->bi_rw & REQ_SYNC)
 					set_bit(R5_SyncIO, &dev->flags);
-				tx = async_copy_data(1, wbi, dev->page,
-					dev->sector, tx);
+				if (wbi->bi_rw & REQ_DISCARD)
+					set_bit(R5_Discard, &dev->flags);
+				else
+					tx = async_copy_data(1, wbi, dev->page,
+						dev->sector, tx);
 				wbi = r5_next_bio(wbi, dev->sector);
 			}
 		}
@@ -1191,7 +1196,7 @@ static void ops_complete_reconstruct(void *stripe_head_ref)
 	int pd_idx = sh->pd_idx;
 	int qd_idx = sh->qd_idx;
 	int i;
-	bool fua = false, sync = false;
+	bool fua = false, sync = false, discard = false;
 
 	pr_debug("%s: stripe %llu\n", __func__,
 		(unsigned long long)sh->sector);
@@ -1199,13 +1204,15 @@ static void ops_complete_reconstruct(void *stripe_head_ref)
 	for (i = disks; i--; ) {
 		fua |= test_bit(R5_WantFUA, &sh->dev[i].flags);
 		sync |= test_bit(R5_SyncIO, &sh->dev[i].flags);
+		discard |= test_bit(R5_Discard, &sh->dev[i].flags);
 	}
 
 	for (i = disks; i--; ) {
 		struct r5dev *dev = &sh->dev[i];
 
 		if (dev->written || i == pd_idx || i == qd_idx) {
-			set_bit(R5_UPTODATE, &dev->flags);
+			if (!discard)
+				set_bit(R5_UPTODATE, &dev->flags);
 			if (fua)
 				set_bit(R5_WantFUA, &dev->flags);
 			if (sync)
@@ -1241,6 +1248,18 @@ ops_run_reconstruct5(struct stripe_head *sh, struct raid5_percpu *percpu,
 	pr_debug("%s: stripe %llu\n", __func__,
 		(unsigned long long)sh->sector);
 
+	for (i = 0; i < sh->disks; i++) {
+		if (pd_idx == i)
+			continue;
+		if (!test_bit(R5_Discard, &sh->dev[i].flags))
+			break;
+	}
+	if (i >= sh->disks) {
+		atomic_inc(&sh->count);
+		set_bit(R5_Discard, &sh->dev[pd_idx].flags);
+		ops_complete_reconstruct(sh);
+		return;
+	}
 	/* check if prexor is active which means only process blocks
 	 * that are part of a read-modify-write (written)
 	 */
@@ -1285,10 +1304,24 @@ ops_run_reconstruct6(struct stripe_head *sh, struct raid5_percpu *percpu,
 {
 	struct async_submit_ctl submit;
 	struct page **blocks = percpu->scribble;
-	int count;
+	int count, i;
 
 	pr_debug("%s: stripe %llu\n", __func__, (unsigned long long)sh->sector);
 
+	for (i = 0; i < sh->disks; i++) {
+		if (sh->pd_idx == i || sh->qd_idx == i)
+			continue;
+		if (!test_bit(R5_Discard, &sh->dev[i].flags))
+			break;
+	}
+	if (i >= sh->disks) {
+		atomic_inc(&sh->count);
+		set_bit(R5_Discard, &sh->dev[sh->pd_idx].flags);
+		set_bit(R5_Discard, &sh->dev[sh->qd_idx].flags);
+		ops_complete_reconstruct(sh);
+		return;
+	}
+
 	count = set_syndrome_sources(blocks, sh);
 
 	atomic_inc(&sh->count);
@@ -2408,11 +2441,11 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, in
 		if (sector >= sh->dev[dd_idx].sector + STRIPE_SECTORS)
 			set_bit(R5_OVERWRITE, &sh->dev[dd_idx].flags);
 	}
-	spin_unlock_irq(&sh->stripe_lock);
 
 	pr_debug("added bi b#%llu to stripe s#%llu, disk %d.\n",
 		(unsigned long long)(*bip)->bi_sector,
 		(unsigned long long)sh->sector, dd_idx);
+	spin_unlock_irq(&sh->stripe_lock);
 
 	if (conf->mddev->bitmap && firstwrite) {
 		bitmap_startwrite(conf->mddev->bitmap, sh->sector,
@@ -2479,10 +2512,8 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
 		bi = sh->dev[i].towrite;
 		sh->dev[i].towrite = NULL;
 		spin_unlock_irq(&sh->stripe_lock);
-		if (bi) {
-			s->to_write--;
+		if (bi)
 			bitmap_end = 1;
-		}
 
 		if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
 			wake_up(&conf->wait_for_overlap);
@@ -2524,11 +2555,12 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
 		if (!test_bit(R5_Wantfill, &sh->dev[i].flags) &&
 		    (!test_bit(R5_Insync, &sh->dev[i].flags) ||
 		      test_bit(R5_ReadError, &sh->dev[i].flags))) {
+			spin_lock_irq(&sh->stripe_lock);
 			bi = sh->dev[i].toread;
 			sh->dev[i].toread = NULL;
+			spin_unlock_irq(&sh->stripe_lock);
 			if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
 				wake_up(&conf->wait_for_overlap);
-			if (bi) s->to_read--;
 			while (bi && bi->bi_sector <
 			       sh->dev[i].sector + STRIPE_SECTORS) {
 				struct bio *nextbi =
@@ -2741,7 +2773,8 @@ static void handle_stripe_clean_event(struct r5conf *conf,
 		if (sh->dev[i].written) {
 			dev = &sh->dev[i];
 			if (!test_bit(R5_LOCKED, &dev->flags) &&
-				test_bit(R5_UPTODATE, &dev->flags)) {
+			    (test_bit(R5_UPTODATE, &dev->flags) ||
+			     test_and_clear_bit(R5_Discard, &dev->flags))) {
 				/* We can return any write requests */
 				struct bio *wbi, *wbi2;
 				pr_debug("Return write for disc %d\n", i);
@@ -2775,12 +2808,25 @@ static void handle_stripe_dirtying(struct r5conf *conf,
 				   int disks)
 {
 	int rmw = 0, rcw = 0, i;
-	if (conf->max_degraded == 2) {
-		/* RAID6 requires 'rcw' in current implementation
-		 * Calculate the real rcw later - for now fake it
+	sector_t recovery_cp = conf->mddev->recovery_cp;
+
+	/* RAID6 requires 'rcw' in current implementation.
+	 * Otherwise, check whether resync is now happening or should start.
+	 * If yes, then the array is dirty (after unclean shutdown or
+	 * initial creation), so parity in some stripes might be inconsistent.
+	 * In this case, we need to always do reconstruct-write, to ensure
+	 * that in case of drive failure or read-error correction, we
+	 * generate correct data from the parity.
+	 */
+	if (conf->max_degraded == 2 ||
+	    (recovery_cp < MaxSector && sh->sector >= recovery_cp)) {
+		/* Calculate the real rcw later - for now make it
 		 * look like rcw is cheaper
 		 */
 		rcw = 1; rmw = 2;
+		pr_debug("force RCW max_degraded=%u, recovery_cp=%llu sh->sector=%llu\n",
+			 conf->max_degraded, (unsigned long long)recovery_cp,
+			 (unsigned long long)sh->sector);
 	} else for (i = disks; i--; ) {
 		/* would I have to read this buffer for read_modify_write */
 		struct r5dev *dev = &sh->dev[i];
@@ -2932,7 +2978,7 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,
 			 */
 			set_bit(STRIPE_INSYNC, &sh->state);
 		else {
-			conf->mddev->resync_mismatches += STRIPE_SECTORS;
+			atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches);
 			if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery))
 				/* don't try to repair!! */
 				set_bit(STRIPE_INSYNC, &sh->state);
@@ -3084,7 +3130,7 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,
 				 */
 			}
 		} else {
-			conf->mddev->resync_mismatches += STRIPE_SECTORS;
+			atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches);
 			if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery))
 				/* don't try to repair!! */
 				set_bit(STRIPE_INSYNC, &sh->state);
@@ -3459,10 +3505,12 @@ static void handle_stripe(struct stripe_head *sh)
 	if (s.written &&
 	    (s.p_failed || ((test_bit(R5_Insync, &pdev->flags)
 			     && !test_bit(R5_LOCKED, &pdev->flags)
-			     && test_bit(R5_UPTODATE, &pdev->flags)))) &&
+			     && (test_bit(R5_UPTODATE, &pdev->flags) ||
+				 test_bit(R5_Discard, &pdev->flags))))) &&
 	    (s.q_failed || ((test_bit(R5_Insync, &qdev->flags)
 			     && !test_bit(R5_LOCKED, &qdev->flags)
-			     && test_bit(R5_UPTODATE, &qdev->flags)))))
+			     && (test_bit(R5_UPTODATE, &qdev->flags) ||
+				 test_bit(R5_Discard, &qdev->flags))))))
 		handle_stripe_clean_event(conf, sh, disks, &s.return_bi);
 
 	/* Now we might consider reading some blocks, either to check/generate
@@ -3489,9 +3537,11 @@ static void handle_stripe(struct stripe_head *sh)
 		/* All the 'written' buffers and the parity block are ready to
 		 * be written back to disk
 		 */
-		BUG_ON(!test_bit(R5_UPTODATE, &sh->dev[sh->pd_idx].flags));
+		BUG_ON(!test_bit(R5_UPTODATE, &sh->dev[sh->pd_idx].flags) &&
+		       !test_bit(R5_Discard, &sh->dev[sh->pd_idx].flags));
 		BUG_ON(sh->qd_idx >= 0 &&
-		       !test_bit(R5_UPTODATE, &sh->dev[sh->qd_idx].flags));
+		       !test_bit(R5_UPTODATE, &sh->dev[sh->qd_idx].flags) &&
+		       !test_bit(R5_Discard, &sh->dev[sh->qd_idx].flags));
 		for (i = disks; i--; ) {
 			struct r5dev *dev = &sh->dev[i];
 			if (test_bit(R5_LOCKED, &dev->flags) &&
@@ -4072,6 +4122,88 @@ static void release_stripe_plug(struct mddev *mddev,
 		release_stripe(sh);
 }
 
+static void make_discard_request(struct mddev *mddev, struct bio *bi)
+{
+	struct r5conf *conf = mddev->private;
+	sector_t logical_sector, last_sector;
+	struct stripe_head *sh;
+	int remaining;
+	int stripe_sectors;
+
+	if (mddev->reshape_position != MaxSector)
+		/* Skip discard while reshape is happening */
+		return;
+
+	logical_sector = bi->bi_sector & ~((sector_t)STRIPE_SECTORS-1);
+	last_sector = bi->bi_sector + (bi->bi_size>>9);
+
+	bi->bi_next = NULL;
+	bi->bi_phys_segments = 1; /* over-loaded to count active stripes */
+
+	stripe_sectors = conf->chunk_sectors *
+		(conf->raid_disks - conf->max_degraded);
+	logical_sector = DIV_ROUND_UP_SECTOR_T(logical_sector,
+					       stripe_sectors);
+	sector_div(last_sector, stripe_sectors);
+
+	logical_sector *= conf->chunk_sectors;
+	last_sector *= conf->chunk_sectors;
+
+	for (; logical_sector < last_sector;
+	     logical_sector += STRIPE_SECTORS) {
+		DEFINE_WAIT(w);
+		int d;
+	again:
+		sh = get_active_stripe(conf, logical_sector, 0, 0, 0);
+		prepare_to_wait(&conf->wait_for_overlap, &w,
+				TASK_UNINTERRUPTIBLE);
+		spin_lock_irq(&sh->stripe_lock);
+		for (d = 0; d < conf->raid_disks; d++) {
+			if (d == sh->pd_idx || d == sh->qd_idx)
+				continue;
+			if (sh->dev[d].towrite || sh->dev[d].toread) {
+				set_bit(R5_Overlap, &sh->dev[d].flags);
+				spin_unlock_irq(&sh->stripe_lock);
+				release_stripe(sh);
+				schedule();
+				goto again;
+			}
+		}
+		finish_wait(&conf->wait_for_overlap, &w);
+		for (d = 0; d < conf->raid_disks; d++) {
+			if (d == sh->pd_idx || d == sh->qd_idx)
+				continue;
+			sh->dev[d].towrite = bi;
+			set_bit(R5_OVERWRITE, &sh->dev[d].flags);
+			raid5_inc_bi_active_stripes(bi);
+		}
+		spin_unlock_irq(&sh->stripe_lock);
+		if (conf->mddev->bitmap) {
+			for (d = 0;
+			     d < conf->raid_disks - conf->max_degraded;
+			     d++)
+				bitmap_startwrite(mddev->bitmap,
+						  sh->sector,
+						  STRIPE_SECTORS,
+						  0);
+			sh->bm_seq = conf->seq_flush + 1;
+			set_bit(STRIPE_BIT_DELAY, &sh->state);
+		}
+
+		set_bit(STRIPE_HANDLE, &sh->state);
+		clear_bit(STRIPE_DELAYED, &sh->state);
+		if (!test_and_set_bit(STRIPE_PREREAD_ACTIVE, &sh->state))
+			atomic_inc(&conf->preread_active_stripes);
+		release_stripe_plug(mddev, sh);
+	}
+
+	remaining = raid5_dec_bi_active_stripes(bi);
+	if (remaining == 0) {
+		md_write_end(mddev);
+		bio_endio(bi, 0);
+	}
+}
+
 static void make_request(struct mddev *mddev, struct bio * bi)
 {
 	struct r5conf *conf = mddev->private;
@@ -4094,6 +4226,11 @@ static void make_request(struct mddev *mddev, struct bio * bi)
 	     chunk_aligned_read(mddev,bi))
 		return;
 
+	if (unlikely(bi->bi_rw & REQ_DISCARD)) {
+		make_discard_request(mddev, bi);
+		return;
+	}
+
 	logical_sector = bi->bi_sector & ~((sector_t)STRIPE_SECTORS-1);
 	last_sector = bi->bi_sector + (bi->bi_size>>9);
 	bi->bi_next = NULL;
@@ -4630,8 +4767,9 @@ static int handle_active_stripes(struct r5conf *conf)
  * During the scan, completed stripes are saved for us by the interrupt
  * handler, so that they will not have to wait for our next wakeup.
  */
-static void raid5d(struct mddev *mddev)
+static void raid5d(struct md_thread *thread)
 {
+	struct mddev *mddev = thread->mddev;
 	struct r5conf *conf = mddev->private;
 	int handled;
 	struct blk_plug plug;
@@ -5366,6 +5504,7 @@ static int run(struct mddev *mddev)
 
 	if (mddev->queue) {
 		int chunk_size;
+		bool discard_supported = true;
 		/* read-ahead size must cover two whole stripes, which
 		 * is 2 * (datadisks) * chunksize where 'n' is the
 		 * number of raid devices
@@ -5385,13 +5524,48 @@ static int run(struct mddev *mddev)
 		blk_queue_io_min(mddev->queue, chunk_size);
 		blk_queue_io_opt(mddev->queue, chunk_size *
 				 (conf->raid_disks - conf->max_degraded));
+		/*
+		 * We can only discard a whole stripe. It doesn't make sense to
+		 * discard data disk but write parity disk
+		 */
+		stripe = stripe * PAGE_SIZE;
+		mddev->queue->limits.discard_alignment = stripe;
+		mddev->queue->limits.discard_granularity = stripe;
+		/*
+		 * unaligned part of discard request will be ignored, so can't
+		 * guarantee discard_zerors_data
+		 */
+		mddev->queue->limits.discard_zeroes_data = 0;
 
 		rdev_for_each(rdev, mddev) {
 			disk_stack_limits(mddev->gendisk, rdev->bdev,
 					  rdev->data_offset << 9);
 			disk_stack_limits(mddev->gendisk, rdev->bdev,
 					  rdev->new_data_offset << 9);
+			/*
+			 * discard_zeroes_data is required, otherwise data
+			 * could be lost. Consider a scenario: discard a stripe
+			 * (the stripe could be inconsistent if
+			 * discard_zeroes_data is 0); write one disk of the
+			 * stripe (the stripe could be inconsistent again
+			 * depending on which disks are used to calculate
+			 * parity); the disk is broken; The stripe data of this
+			 * disk is lost.
+			 */
+			if (!blk_queue_discard(bdev_get_queue(rdev->bdev)) ||
+			    !bdev_get_queue(rdev->bdev)->
+						limits.discard_zeroes_data)
+				discard_supported = false;
 		}
+
+		if (discard_supported &&
+		   mddev->queue->limits.max_discard_sectors >= stripe &&
+		   mddev->queue->limits.discard_granularity >= stripe)
+			queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
+						mddev->queue);
+		else
+			queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD,
+						mddev->queue);
 	}
 
 	return 0;
@@ -5702,7 +5876,8 @@ static int check_reshape(struct mddev *mddev)
 	if (!check_stripe_cache(mddev))
 		return -ENOSPC;
 
-	return resize_stripes(conf, conf->raid_disks + mddev->delta_disks);
+	return resize_stripes(conf, (conf->previous_raid_disks
+				     + mddev->delta_disks));
 }
 
 static int raid5_start_reshape(struct mddev *mddev)
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index a9fc24901ed..18b2c4a8a1f 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -298,6 +298,7 @@ enum r5dev_flags {
 	R5_WantReplace, /* We need to update the replacement, we have read
 			 * data in, and now is a good time to write it out.
 			 */
+	R5_Discard,	/* Discard the stripe */
 };
 
 /*
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index dd13e3a4c27..4ef0d80b57f 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -163,19 +163,21 @@ source "drivers/media/common/Kconfig"
 #
 
 config MEDIA_SUBDRV_AUTOSELECT
-	bool "Autoselect analog and hybrid tuner modules to build"
-	depends on MEDIA_TUNER
+	bool "Autoselect tuners and i2c modules to build"
+	depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT
 	default y
 	help
-	  By default, a TV driver auto-selects all possible tuners
-	  thar could be used by the driver.
+	  By default, a media driver auto-selects all possible i2c
+	  devices that are used by any of the supported devices.
 
 	  This is generally the right thing to do, except when there
-	  are strict constraints with regards to the kernel size.
+	  are strict constraints with regards to the kernel size,
+	  like on embedded systems.
 
-	  Use this option with care, as deselecting tuner drivers which
-	  are in fact necessary will result in TV devices which cannot
-	  be tuned due to lack of the tuning driver.
+	  Use this option with care, as deselecting ancillary drivers which
+	  are, in fact, necessary will result in the lack of the needed
+	  functionality for your device (it may not tune or may not have
+	  the need demodulers).
 
 	  If unsure say Y.
 
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
index 8f58f241c10..7e92793260f 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -966,6 +966,8 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe)
 		break;
 	}
 
+	c->lna = LNA_AUTO;
+
 	return 0;
 }
 
@@ -1054,6 +1056,8 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = {
 	_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_B, 0, 0),
 	_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_C, 0, 0),
 	_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_D, 0, 0),
+
+	_DTV_CMD(DTV_LNA, 0, 0),
 };
 
 static void dtv_property_dump(struct dvb_frontend *fe, struct dtv_property *tvp)
@@ -1440,6 +1444,10 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
 		tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_d;
 		break;
 
+	case DTV_LNA:
+		tvp->u.data = c->lna;
+		break;
+
 	default:
 		return -EINVAL;
 	}
@@ -1731,10 +1739,6 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
 	case DTV_INTERLEAVING:
 		c->interleaving = tvp->u.data;
 		break;
-	case DTV_LNA:
-		if (fe->ops.set_lna)
-			r = fe->ops.set_lna(fe, tvp->u.data);
-		break;
 
 	/* ISDB-T Support here */
 	case DTV_ISDBT_PARTIAL_RECEPTION:
@@ -1806,6 +1810,12 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
 		fe->dtv_property_cache.atscmh_rs_frame_ensemble = tvp->u.data;
 		break;
 
+	case DTV_LNA:
+		c->lna = tvp->u.data;
+		if (fe->ops.set_lna)
+			r = fe->ops.set_lna(fe);
+		break;
+
 	default:
 		return -EINVAL;
 	}
@@ -2309,7 +2319,7 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
 		fepriv->tune_mode_flags = (unsigned long) parg;
 		err = 0;
 		break;
-	};
+	}
 
 	return err;
 }
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
index 44a445cee74..97112cd88a1 100644
--- a/drivers/media/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -303,7 +303,7 @@ struct dvb_frontend_ops {
 	int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
 	int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
 	int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
-	int (*set_lna)(struct dvb_frontend *, int);
+	int (*set_lna)(struct dvb_frontend *);
 
 	/* These callbacks are for devices that implement their own
 	 * tuning algorithms, rather than a simple swzigzag
@@ -391,6 +391,8 @@ struct dtv_frontend_properties {
 	u8			atscmh_sccc_code_mode_b;
 	u8			atscmh_sccc_code_mode_c;
 	u8			atscmh_sccc_code_mode_d;
+
+	u32			lna;
 };
 
 struct dvb_frontend {
diff --git a/drivers/media/dvb-frontends/a8293.c b/drivers/media/dvb-frontends/a8293.c
index cff44a389b4..74fbb5d58be 100644
--- a/drivers/media/dvb-frontends/a8293.c
+++ b/drivers/media/dvb-frontends/a8293.c
@@ -90,7 +90,7 @@ static int a8293_set_voltage(struct dvb_frontend *fe,
 	default:
 		ret = -EINVAL;
 		goto err;
-	};
+	}
 
 	ret = a8293_wr(priv, &priv->reg[0], 1);
 	if (ret)
diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c
index e9f04a36577..a204f282882 100644
--- a/drivers/media/dvb-frontends/af9013.c
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -241,7 +241,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
 				KBUILD_MODNAME, gpio);
 		ret = -EINVAL;
 		goto err;
-	};
+	}
 
 	switch (gpio) {
 	case 0:
@@ -253,7 +253,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
 	default:
 		pos = 4;
 		break;
-	};
+	}
 
 	ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval);
 	if (ret)
@@ -726,7 +726,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
 	default:
 		dev_dbg(&state->i2c->dev, "%s: invalid hierarchy\n", __func__);
 		auto_mode = 1;
-	};
+	}
 
 	switch (c->modulation) {
 	case QAM_AUTO:
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 8162d939c4b..464ad878490 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -408,7 +408,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
 {
 	struct af9033_state *state = fe->demodulator_priv;
 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-	int ret, i, spec_inv;
+	int ret, i, spec_inv, sampling_freq;
 	u8 tmp, buf[3], bandwidth_reg_val;
 	u32 if_frequency, freq_cw, adc_freq;
 
@@ -465,18 +465,20 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
 		else
 			if_frequency = 0;
 
-		while (if_frequency > (adc_freq / 2))
-			if_frequency -= adc_freq;
+		sampling_freq = if_frequency;
 
-		if (if_frequency >= 0)
+		while (sampling_freq > (adc_freq / 2))
+			sampling_freq -= adc_freq;
+
+		if (sampling_freq >= 0)
 			spec_inv *= -1;
 		else
-			if_frequency *= -1;
+			sampling_freq *= -1;
 
-		freq_cw = af9033_div(state, if_frequency, adc_freq, 23ul);
+		freq_cw = af9033_div(state, sampling_freq, adc_freq, 23ul);
 
 		if (spec_inv == -1)
-			freq_cw *= -1;
+			freq_cw = 0x800000 - freq_cw;
 
 		/* get adc multiplies */
 		ret = af9033_rd_reg(state, 0x800045, &tmp);
diff --git a/drivers/media/dvb-frontends/bcm3510.c b/drivers/media/dvb-frontends/bcm3510.c
index 033cd7ad3ca..1b77909c0c7 100644
--- a/drivers/media/dvb-frontends/bcm3510.c
+++ b/drivers/media/dvb-frontends/bcm3510.c
@@ -527,7 +527,7 @@ static int bcm3510_set_frontend(struct dvb_frontend *fe)
 			cmd.ACQUIRE1.IF_FREQ = 0x0;
 		default:
 			return -EINVAL;
-	};
+	}
 	cmd.ACQUIRE0.OFFSET = 0;
 	cmd.ACQUIRE0.NTSCSWEEP = 1;
 	cmd.ACQUIRE0.FA = 1;
diff --git a/drivers/media/dvb-frontends/cx24110.c b/drivers/media/dvb-frontends/cx24110.c
index 3180f5b2a6a..0cd6927e654 100644
--- a/drivers/media/dvb-frontends/cx24110.c
+++ b/drivers/media/dvb-frontends/cx24110.c
@@ -218,7 +218,7 @@ static int cx24110_set_fec (struct cx24110_state* state, fe_code_rate_t fec)
 	   } else
 		   return -EOPNOTSUPP;
 /* fixme (low): which is the correct return code? */
-	};
+	}
 	return 0;
 }
 
@@ -275,7 +275,7 @@ static int cx24110_set_symbolrate (struct cx24110_state* state, u32 srate)
 		cx24110_writereg(state,0x07,tmp|0x3);
 		cx24110_writereg(state,0x06,0x78);
 		fclk=90999000UL;
-	};
+	}
 	dprintk("cx24110 debug: fclk %d Hz\n",fclk);
 	/* we need to divide two integers with approx. 27 bits in 32 bit
 	   arithmetic giving a 25 bit result */
@@ -362,7 +362,7 @@ static int cx24110_initfe(struct dvb_frontend* fe)
 
 	for(i = 0; i < ARRAY_SIZE(cx24110_regdata); i++) {
 		cx24110_writereg(state, cx24110_regdata[i].reg, cx24110_regdata[i].data);
-	};
+	}
 
 	return 0;
 }
diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c
index 42648643693..9b658c1cf39 100644
--- a/drivers/media/dvb-frontends/cxd2820r_core.c
+++ b/drivers/media/dvb-frontends/cxd2820r_core.c
@@ -688,7 +688,7 @@ struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
 {
 	struct cxd2820r_priv *priv;
 	int ret;
-	u8 tmp, gpio[GPIO_COUNT];
+	u8 tmp;
 
 	priv = kzalloc(sizeof(struct cxd2820r_priv), GFP_KERNEL);
 	if (!priv) {
@@ -735,6 +735,7 @@ struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
 		 * Use static GPIO configuration if GPIOLIB is undefined.
 		 * This is fallback condition.
 		 */
+		u8 gpio[GPIO_COUNT];
 		gpio[0] = (*gpio_chip_base >> 0) & 0x07;
 		gpio[1] = (*gpio_chip_base >> 3) & 0x07;
 		gpio[2] = 0;
diff --git a/drivers/media/dvb-frontends/drxd_hard.c b/drivers/media/dvb-frontends/drxd_hard.c
index f380eb43e9d..6d9853750d2 100644
--- a/drivers/media/dvb-frontends/drxd_hard.c
+++ b/drivers/media/dvb-frontends/drxd_hard.c
@@ -991,7 +991,7 @@ static int HI_Command(struct drxd_state *state, u16 cmd, u16 * pResult)
 		if (nrRetries > DRXD_MAX_RETRIES) {
 			status = -1;
 			break;
-		};
+		}
 		status = Read16(state, HI_RA_RAM_SRV_CMD__A, &waitCmd, 0);
 	} while (waitCmd != 0);
 
diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
index 4c8ac2657c4..5b639087ce4 100644
--- a/drivers/media/dvb-frontends/ds3000.c
+++ b/drivers/media/dvb-frontends/ds3000.c
@@ -30,6 +30,7 @@
 #include "ds3000.h"
 
 static int debug;
+static int force_fw_upload;
 
 #define dprintk(args...) \
 	do { \
@@ -392,11 +393,13 @@ static int ds3000_firmware_ondemand(struct dvb_frontend *fe)
 
 	dprintk("%s()\n", __func__);
 
-	if (ds3000_readreg(state, 0xb2) <= 0)
+	ret = ds3000_readreg(state, 0xb2);
+	if (ret < 0)
 		return ret;
 
-	if (state->skip_fw_load)
-		return 0;
+	if (state->skip_fw_load || !force_fw_upload)
+		return 0;	/* Firmware already uploaded, skipping */
+
 	/* Load firmware */
 	/* request the firmware, this will block until someone uploads it */
 	printk(KERN_INFO "%s: Waiting for firmware upload (%s)...\n", __func__,
@@ -1306,6 +1309,9 @@ static struct dvb_frontend_ops ds3000_ops = {
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
 
+module_param(force_fw_upload, int, 0644);
+MODULE_PARM_DESC(force_fw_upload, "Force firmware upload (default:0)");
+
 MODULE_DESCRIPTION("DVB Frontend module for Montage Technology "
 			"DS3000/TS2020 hardware");
 MODULE_AUTHOR("Konstantin Dimitrov");
diff --git a/drivers/media/dvb-frontends/dvb_dummy_fe.c b/drivers/media/dvb-frontends/dvb_dummy_fe.c
index dcfc902c867..d5acc304786 100644
--- a/drivers/media/dvb-frontends/dvb_dummy_fe.c
+++ b/drivers/media/dvb-frontends/dvb_dummy_fe.c
@@ -121,16 +121,13 @@ struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
 
 	/* allocate memory for the internal state */
 	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
-	if (state == NULL) goto error;
+	if (!state)
+		return NULL;
 
 	/* create dvb_frontend */
 	memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
 	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
 }
 
 static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
@@ -141,16 +138,13 @@ struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
 
 	/* allocate memory for the internal state */
 	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
-	if (state == NULL) goto error;
+	if (!state)
+		return NULL;
 
 	/* create dvb_frontend */
 	memcpy(&state->frontend.ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
 	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
 }
 
 static struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
@@ -161,16 +155,13 @@ struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
 
 	/* allocate memory for the internal state */
 	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
-	if (state == NULL) goto error;
+	if (!state)
+		return NULL;
 
 	/* create dvb_frontend */
 	memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
 	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
 }
 
 static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
diff --git a/drivers/media/dvb-frontends/isl6405.c b/drivers/media/dvb-frontends/isl6405.c
index 33d33f4d886..0c642a5bf82 100644
--- a/drivers/media/dvb-frontends/isl6405.c
+++ b/drivers/media/dvb-frontends/isl6405.c
@@ -77,7 +77,7 @@ static int isl6405_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage
 			break;
 		default:
 			return -EINVAL;
-		};
+		}
 	}
 	isl6405->config |= isl6405->override_or;
 	isl6405->config &= isl6405->override_and;
diff --git a/drivers/media/dvb-frontends/isl6421.c b/drivers/media/dvb-frontends/isl6421.c
index 684c8ec166c..0cb3f0f74c9 100644
--- a/drivers/media/dvb-frontends/isl6421.c
+++ b/drivers/media/dvb-frontends/isl6421.c
@@ -63,7 +63,7 @@ static int isl6421_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	isl6421->config |= isl6421->override_or;
 	isl6421->config &= isl6421->override_and;
diff --git a/drivers/media/dvb-frontends/itd1000.c b/drivers/media/dvb-frontends/itd1000.c
index 316457584fe..c1c3400b217 100644
--- a/drivers/media/dvb-frontends/itd1000.c
+++ b/drivers/media/dvb-frontends/itd1000.c
@@ -231,7 +231,7 @@ static void itd1000_set_lo(struct itd1000_state *state, u32 freq_khz)
 	state->frequency = ((plln * 1000) + (pllf * 1000)/1048576) * 2*FREF;
 	itd_dbg("frequency: %dkHz (wanted) %dkHz (set), PLLF = %d, PLLN = %d\n", freq_khz, state->frequency, pllf, plln);
 
-	itd1000_write_reg(state, PLLNH, 0x80); /* PLLNH */;
+	itd1000_write_reg(state, PLLNH, 0x80); /* PLLNH */
 	itd1000_write_reg(state, PLLNL, plln & 0xff);
 	itd1000_write_reg(state, PLLFH, (itd1000_read_reg(state, PLLFH) & 0xf0) | ((pllf >> 16) & 0x0f));
 	itd1000_write_reg(state, PLLFM, (pllf >> 8) & 0xff);
diff --git a/drivers/media/dvb-frontends/lg2160.c b/drivers/media/dvb-frontends/lg2160.c
index cc11260e99d..5fd14f840ab 100644
--- a/drivers/media/dvb-frontends/lg2160.c
+++ b/drivers/media/dvb-frontends/lg2160.c
@@ -1421,8 +1421,8 @@ struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
 	       config ? config->i2c_addr : 0);
 
 	state = kzalloc(sizeof(struct lg216x_state), GFP_KERNEL);
-	if (state == NULL)
-		goto fail;
+	if (!state)
+		return NULL;
 
 	state->cfg = config;
 	state->i2c_adap = i2c_adap;
@@ -1449,10 +1449,6 @@ struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
 	state->frontend.dtv_property_cache.atscmh_parade_id = 1;
 
 	return &state->frontend;
-fail:
-	lg_warn("unable to detect LG216x hardware\n");
-	kfree(state);
-	return NULL;
 }
 EXPORT_SYMBOL(lg2160_attach);
 
diff --git a/drivers/media/dvb-frontends/lnbp21.c b/drivers/media/dvb-frontends/lnbp21.c
index 13437259eea..f3ba7b5faa2 100644
--- a/drivers/media/dvb-frontends/lnbp21.c
+++ b/drivers/media/dvb-frontends/lnbp21.c
@@ -65,7 +65,7 @@ static int lnbp21_set_voltage(struct dvb_frontend *fe,
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	lnbp21->config |= lnbp21->override_or;
 	lnbp21->config &= lnbp21->override_and;
@@ -108,7 +108,7 @@ static int lnbp21_set_tone(struct dvb_frontend *fe,
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	lnbp21->config |= lnbp21->override_or;
 	lnbp21->config &= lnbp21->override_and;
diff --git a/drivers/media/dvb-frontends/lnbp22.c b/drivers/media/dvb-frontends/lnbp22.c
index 84ad0390a4a..c463da7f6dc 100644
--- a/drivers/media/dvb-frontends/lnbp22.c
+++ b/drivers/media/dvb-frontends/lnbp22.c
@@ -73,7 +73,7 @@ static int lnbp22_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	dprintk(1, "%s: 0x%02x)\n", __func__, lnbp22->config[3]);
 	return (i2c_transfer(lnbp22->i2c, &msg, 1) == 1) ? 0 : -EIO;
diff --git a/drivers/media/dvb-frontends/s5h1432.c b/drivers/media/dvb-frontends/s5h1432.c
index 8352ce1c955..6ec16a24374 100644
--- a/drivers/media/dvb-frontends/s5h1432.c
+++ b/drivers/media/dvb-frontends/s5h1432.c
@@ -351,8 +351,8 @@ struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
 	printk(KERN_INFO " Enter s5h1432_attach(). attach success!\n");
 	/* allocate memory for the internal state */
 	state = kmalloc(sizeof(struct s5h1432_state), GFP_KERNEL);
-	if (state == NULL)
-		goto error;
+	if (!state)
+		return NULL;
 
 	/* setup the state */
 	state->config = config;
@@ -367,10 +367,6 @@ struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
 	state->frontend.demodulator_priv = state;
 
 	return &state->frontend;
-
-error:
-	kfree(state);
-	return NULL;
 }
 EXPORT_SYMBOL(s5h1432_attach);
 
diff --git a/drivers/media/dvb-frontends/s921.c b/drivers/media/dvb-frontends/s921.c
index cd2288c0714..a271ac3eaec 100644
--- a/drivers/media/dvb-frontends/s921.c
+++ b/drivers/media/dvb-frontends/s921.c
@@ -487,9 +487,9 @@ struct dvb_frontend *s921_attach(const struct s921_config *config,
 		kzalloc(sizeof(struct s921_state), GFP_KERNEL);
 
 	dprintk("\n");
-	if (state == NULL) {
+	if (!state) {
 		rc("Unable to kzalloc\n");
-		goto rcor;
+		return NULL;
 	}
 
 	/* setup the state */
@@ -502,11 +502,6 @@ struct dvb_frontend *s921_attach(const struct s921_config *config,
 	state->frontend.demodulator_priv = state;
 
 	return &state->frontend;
-
-rcor:
-	kfree(state);
-
-	return NULL;
 }
 EXPORT_SYMBOL(s921_attach);
 
diff --git a/drivers/media/dvb-frontends/si21xx.c b/drivers/media/dvb-frontends/si21xx.c
index a68a64800df..73b47cc6a13 100644
--- a/drivers/media/dvb-frontends/si21xx.c
+++ b/drivers/media/dvb-frontends/si21xx.c
@@ -343,7 +343,7 @@ static int si21xx_wait_diseqc_idle(struct si21xx_state *state, int timeout)
 			return -ETIMEDOUT;
 		}
 		msleep(10);
-	};
+	}
 
 	return 0;
 }
@@ -472,7 +472,7 @@ static int si21xx_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 }
 
 static int si21xx_init(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/sp8870.c b/drivers/media/dvb-frontends/sp8870.c
index e37274c8f14..2aa8ef76eba 100644
--- a/drivers/media/dvb-frontends/sp8870.c
+++ b/drivers/media/dvb-frontends/sp8870.c
@@ -188,7 +188,7 @@ static int configure_reg0xc05 (struct dtv_frontend_properties *p, u16 *reg0xc05)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	switch (p->hierarchy) {
 	case HIERARCHY_NONE:
@@ -207,7 +207,7 @@ static int configure_reg0xc05 (struct dtv_frontend_properties *p, u16 *reg0xc05)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	switch (p->code_rate_HP) {
 	case FEC_1_2:
@@ -229,7 +229,7 @@ static int configure_reg0xc05 (struct dtv_frontend_properties *p, u16 *reg0xc05)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	if (known_parameters)
 		*reg0xc05 |= (2 << 1);	/* use specified parameters */
diff --git a/drivers/media/dvb-frontends/sp887x.c b/drivers/media/dvb-frontends/sp887x.c
index f4096ccb226..1bb81b5ae6e 100644
--- a/drivers/media/dvb-frontends/sp887x.c
+++ b/drivers/media/dvb-frontends/sp887x.c
@@ -229,7 +229,7 @@ static int configure_reg0xc05(struct dtv_frontend_properties *p, u16 *reg0xc05)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	switch (p->hierarchy) {
 	case HIERARCHY_NONE:
@@ -248,7 +248,7 @@ static int configure_reg0xc05(struct dtv_frontend_properties *p, u16 *reg0xc05)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	switch (p->code_rate_HP) {
 	case FEC_1_2:
@@ -270,7 +270,7 @@ static int configure_reg0xc05(struct dtv_frontend_properties *p, u16 *reg0xc05)
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	if (known_parameters)
 		*reg0xc05 |= (2 << 1);	/* use specified parameters */
diff --git a/drivers/media/dvb-frontends/stb6100.c b/drivers/media/dvb-frontends/stb6100.c
index 2e93e65d2cd..45f9523f968 100644
--- a/drivers/media/dvb-frontends/stb6100.c
+++ b/drivers/media/dvb-frontends/stb6100.c
@@ -575,8 +575,8 @@ struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
 	struct stb6100_state *state = NULL;
 
 	state = kzalloc(sizeof (struct stb6100_state), GFP_KERNEL);
-	if (state == NULL)
-		goto error;
+	if (!state)
+		return NULL;
 
 	state->config		= config;
 	state->i2c		= i2c;
@@ -587,10 +587,6 @@ struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
 
 	printk("%s: Attaching STB6100 \n", __func__);
 	return fe;
-
-error:
-	kfree(state);
-	return NULL;
 }
 
 static int stb6100_release(struct dvb_frontend *fe)
diff --git a/drivers/media/dvb-frontends/stv0299.c b/drivers/media/dvb-frontends/stv0299.c
index 057b5f8effc..92a6075cd82 100644
--- a/drivers/media/dvb-frontends/stv0299.c
+++ b/drivers/media/dvb-frontends/stv0299.c
@@ -199,7 +199,7 @@ static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout)
 			return -ETIMEDOUT;
 		}
 		msleep(10);
-	};
+	}
 
 	return 0;
 }
@@ -216,7 +216,7 @@ static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
 			return -ETIMEDOUT;
 		}
 		msleep(10);
-	};
+	}
 
 	return 0;
 }
@@ -387,7 +387,7 @@ static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	if (state->config->op0_off)
 		reg0x0c &= ~0x10;
diff --git a/drivers/media/dvb-frontends/stv0900_core.c b/drivers/media/dvb-frontends/stv0900_core.c
index 7f1badaf0d0..262dfa503c2 100644
--- a/drivers/media/dvb-frontends/stv0900_core.c
+++ b/drivers/media/dvb-frontends/stv0900_core.c
@@ -1552,8 +1552,8 @@ static int stv0900_status(struct stv0900_internal *intp,
 		bitrate = (stv0900_get_mclk_freq(intp, intp->quartz)/1000000)
 			* (tsbitrate1_val << 8 | tsbitrate0_val);
 		bitrate /= 16384;
-		dprintk("TS bitrate = %d Mbit/sec \n", bitrate);
-	};
+		dprintk("TS bitrate = %d Mbit/sec\n", bitrate);
+	}
 
 	return locked;
 }
diff --git a/drivers/media/dvb-frontends/tda665x.c b/drivers/media/dvb-frontends/tda665x.c
index 2c1c759a4f4..63cc12378d9 100644
--- a/drivers/media/dvb-frontends/tda665x.c
+++ b/drivers/media/dvb-frontends/tda665x.c
@@ -228,8 +228,8 @@ struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,
 	struct dvb_tuner_info *info;
 
 	state = kzalloc(sizeof(struct tda665x_state), GFP_KERNEL);
-	if (state == NULL)
-		goto exit;
+	if (!state)
+		return NULL;
 
 	state->config		= config;
 	state->i2c		= i2c;
@@ -246,10 +246,6 @@ struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,
 	printk(KERN_DEBUG "%s: Attaching TDA665x (%s) tuner\n", __func__, info->name);
 
 	return fe;
-
-exit:
-	kfree(state);
-	return NULL;
 }
 EXPORT_SYMBOL(tda665x_attach);
 
diff --git a/drivers/media/dvb-frontends/tda8083.c b/drivers/media/dvb-frontends/tda8083.c
index 15912c96926..9d08350fe4b 100644
--- a/drivers/media/dvb-frontends/tda8083.c
+++ b/drivers/media/dvb-frontends/tda8083.c
@@ -175,7 +175,7 @@ static void tda8083_wait_diseqc_fifo (struct tda8083_state* state, int timeout)
 	       !(tda8083_readreg(state, 0x02) & 0x80))
 	{
 		msleep(50);
-	};
+	}
 }
 
 static int tda8083_set_tone (struct tda8083_state* state, fe_sec_tone_mode_t tone)
@@ -215,7 +215,7 @@ static int tda8083_send_diseqc_burst (struct tda8083_state* state, fe_sec_mini_c
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	tda8083_wait_diseqc_fifo (state, 100);
 
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c
index d8eac3e30a7..2cee69e3418 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.c
+++ b/drivers/media/i2c/cx25840/cx25840-core.c
@@ -599,7 +599,7 @@ static void cx23885_initialize(struct i2c_client *client)
 		cx25840_write4(client, 0x114, 0x01bf0c9e);
 		cx25840_write4(client, 0x110, 0x000a030c);
 		break;
-	};
+	}
 
 	/* ADC2 input select */
 	cx25840_write(client, 0x102, 0x10);
diff --git a/drivers/media/i2c/m5mols/m5mols.h b/drivers/media/i2c/m5mols/m5mols.h
index 86c815be348..90a6c520f11 100644
--- a/drivers/media/i2c/m5mols/m5mols.h
+++ b/drivers/media/i2c/m5mols/m5mols.h
@@ -16,9 +16,17 @@
 #ifndef M5MOLS_H
 #define M5MOLS_H
 
+#include <linux/sizes.h>
 #include <media/v4l2-subdev.h>
 #include "m5mols_reg.h"
 
+
+/* An amount of data transmitted in addition to the value
+ * determined by CAPP_JPEG_SIZE_MAX register.
+ */
+#define M5MOLS_JPEG_TAGS_SIZE		0x20000
+#define M5MOLS_MAIN_JPEG_SIZE_MAX	(5 * SZ_1M)
+
 extern int m5mols_debug;
 
 enum m5mols_restype {
@@ -67,12 +75,14 @@ struct m5mols_exif {
 /**
  * struct m5mols_capture - Structure for the capture capability
  * @exif: EXIF information
+ * @buf_size: internal JPEG frame buffer size, in bytes
  * @main: size in bytes of the main image
  * @thumb: size in bytes of the thumb image, if it was accompanied
  * @total: total size in bytes of the produced image
  */
 struct m5mols_capture {
 	struct m5mols_exif exif;
+	unsigned int buf_size;
 	u32 main;
 	u32 thumb;
 	u32 total;
diff --git a/drivers/media/i2c/m5mols/m5mols_capture.c b/drivers/media/i2c/m5mols/m5mols_capture.c
index cb243bd278c..ab34ccedf31 100644
--- a/drivers/media/i2c/m5mols/m5mols_capture.c
+++ b/drivers/media/i2c/m5mols/m5mols_capture.c
@@ -105,6 +105,7 @@ static int m5mols_capture_info(struct m5mols_info *info)
 
 int m5mols_start_capture(struct m5mols_info *info)
 {
+	unsigned int framesize = info->cap.buf_size - M5MOLS_JPEG_TAGS_SIZE;
 	struct v4l2_subdev *sd = &info->sd;
 	int ret;
 
@@ -121,6 +122,8 @@ int m5mols_start_capture(struct m5mols_info *info)
 	if (!ret)
 		ret = m5mols_write(sd, CAPP_MAIN_IMAGE_SIZE, info->resolution);
 	if (!ret)
+		ret = m5mols_write(sd, CAPP_JPEG_SIZE_MAX, framesize);
+	if (!ret)
 		ret = m5mols_set_mode(info, REG_CAPTURE);
 	if (!ret)
 		/* Wait until a frame is captured to ISP internal memory */
diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c
index 2f490ef26c3..8131d651de9 100644
--- a/drivers/media/i2c/m5mols/m5mols_core.c
+++ b/drivers/media/i2c/m5mols/m5mols_core.c
@@ -599,6 +599,51 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	return ret;
 }
 
+static int m5mols_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
+				 struct v4l2_mbus_frame_desc *fd)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+
+	if (pad != 0 || fd == NULL)
+		return -EINVAL;
+
+	mutex_lock(&info->lock);
+	/*
+	 * .get_frame_desc is only used for compressed formats,
+	 * thus we always return the capture frame parameters here.
+	 */
+	fd->entry[0].length = info->cap.buf_size;
+	fd->entry[0].pixelcode = info->ffmt[M5MOLS_RESTYPE_CAPTURE].code;
+	mutex_unlock(&info->lock);
+
+	fd->entry[0].flags = V4L2_MBUS_FRAME_DESC_FL_LEN_MAX;
+	fd->num_entries = 1;
+
+	return 0;
+}
+
+static int m5mols_set_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
+				 struct v4l2_mbus_frame_desc *fd)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	struct v4l2_mbus_framefmt *mf = &info->ffmt[M5MOLS_RESTYPE_CAPTURE];
+
+	if (pad != 0 || fd == NULL)
+		return -EINVAL;
+
+	fd->entry[0].flags = V4L2_MBUS_FRAME_DESC_FL_LEN_MAX;
+	fd->num_entries = 1;
+	fd->entry[0].length = clamp_t(u32, fd->entry[0].length,
+				      mf->width * mf->height,
+				      M5MOLS_MAIN_JPEG_SIZE_MAX);
+	mutex_lock(&info->lock);
+	info->cap.buf_size = fd->entry[0].length;
+	mutex_unlock(&info->lock);
+
+	return 0;
+}
+
+
 static int m5mols_enum_mbus_code(struct v4l2_subdev *sd,
 				 struct v4l2_subdev_fh *fh,
 				 struct v4l2_subdev_mbus_code_enum *code)
@@ -615,6 +660,8 @@ static struct v4l2_subdev_pad_ops m5mols_pad_ops = {
 	.enum_mbus_code	= m5mols_enum_mbus_code,
 	.get_fmt	= m5mols_get_fmt,
 	.set_fmt	= m5mols_set_fmt,
+	.get_frame_desc	= m5mols_get_frame_desc,
+	.set_frame_desc	= m5mols_set_frame_desc,
 };
 
 /**
diff --git a/drivers/media/i2c/m5mols/m5mols_reg.h b/drivers/media/i2c/m5mols/m5mols_reg.h
index 14d4be72aef..58d8027508d 100644
--- a/drivers/media/i2c/m5mols/m5mols_reg.h
+++ b/drivers/media/i2c/m5mols/m5mols_reg.h
@@ -310,6 +310,7 @@
 #define REG_JPEG		0x10
 
 #define CAPP_MAIN_IMAGE_SIZE	I2C_REG(CAT_CAPT_PARM, 0x01, 1)
+#define CAPP_JPEG_SIZE_MAX	I2C_REG(CAT_CAPT_PARM, 0x0f, 4)
 #define CAPP_JPEG_RATIO		I2C_REG(CAT_CAPT_PARM, 0x17, 1)
 
 #define CAPP_MCC_MODE		I2C_REG(CAT_CAPT_PARM, 0x1d, 1)
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index 2c0f4077c49..e32833262d3 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -574,7 +574,6 @@ static int mt9p031_set_crop(struct v4l2_subdev *subdev,
  * V4L2 subdev control operations
  */
 
-#define V4L2_CID_TEST_PATTERN		(V4L2_CID_USER_BASE | 0x1001)
 #define V4L2_CID_BLC_AUTO		(V4L2_CID_USER_BASE | 0x1002)
 #define V4L2_CID_BLC_TARGET_LEVEL	(V4L2_CID_USER_BASE | 0x1003)
 #define V4L2_CID_BLC_ANALOG_OFFSET	(V4L2_CID_USER_BASE | 0x1004)
@@ -740,18 +739,6 @@ static const char * const mt9p031_test_pattern_menu[] = {
 static const struct v4l2_ctrl_config mt9p031_ctrls[] = {
 	{
 		.ops		= &mt9p031_ctrl_ops,
-		.id		= V4L2_CID_TEST_PATTERN,
-		.type		= V4L2_CTRL_TYPE_MENU,
-		.name		= "Test Pattern",
-		.min		= 0,
-		.max		= ARRAY_SIZE(mt9p031_test_pattern_menu) - 1,
-		.step		= 0,
-		.def		= 0,
-		.flags		= 0,
-		.menu_skip_mask	= 0,
-		.qmenu		= mt9p031_test_pattern_menu,
-	}, {
-		.ops		= &mt9p031_ctrl_ops,
 		.id		= V4L2_CID_BLC_AUTO,
 		.type		= V4L2_CTRL_TYPE_BOOLEAN,
 		.name		= "BLC, Auto",
@@ -950,7 +937,7 @@ static int mt9p031_probe(struct i2c_client *client,
 	mt9p031->model = did->driver_data;
 	mt9p031->reset = -1;
 
-	v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 5);
+	v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 6);
 
 	v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
 			  V4L2_CID_EXPOSURE, MT9P031_SHUTTER_WIDTH_MIN,
@@ -966,6 +953,10 @@ static int mt9p031_probe(struct i2c_client *client,
 	v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
 			  V4L2_CID_PIXEL_RATE, pdata->target_freq,
 			  pdata->target_freq, 1, pdata->target_freq);
+	v4l2_ctrl_new_std_menu_items(&mt9p031->ctrls, &mt9p031_ctrl_ops,
+			  V4L2_CID_TEST_PATTERN,
+			  ARRAY_SIZE(mt9p031_test_pattern_menu) - 1, 0,
+			  0, mt9p031_test_pattern_menu);
 
 	for (i = 0; i < ARRAY_SIZE(mt9p031_ctrls); ++i)
 		v4l2_ctrl_new_custom(&mt9p031->ctrls, &mt9p031_ctrls[i], NULL);
diff --git a/drivers/media/i2c/mt9t001.c b/drivers/media/i2c/mt9t001.c
index 6d343adf891..2e189d8b71b 100644
--- a/drivers/media/i2c/mt9t001.c
+++ b/drivers/media/i2c/mt9t001.c
@@ -371,7 +371,7 @@ static int mt9t001_set_crop(struct v4l2_subdev *subdev,
  * V4L2 subdev control operations
  */
 
-#define V4L2_CID_TEST_PATTERN		(V4L2_CID_USER_BASE | 0x1001)
+#define V4L2_CID_TEST_PATTERN_COLOR	(V4L2_CID_USER_BASE | 0x1001)
 #define V4L2_CID_BLACK_LEVEL_AUTO	(V4L2_CID_USER_BASE | 0x1002)
 #define V4L2_CID_BLACK_LEVEL_OFFSET	(V4L2_CID_USER_BASE | 0x1003)
 #define V4L2_CID_BLACK_LEVEL_CALIBRATE	(V4L2_CID_USER_BASE | 0x1004)
@@ -487,12 +487,11 @@ static int mt9t001_s_ctrl(struct v4l2_ctrl *ctrl)
 				     ctrl->val >> 16);
 
 	case V4L2_CID_TEST_PATTERN:
-		ret = mt9t001_set_output_control(mt9t001,
+		return mt9t001_set_output_control(mt9t001,
 			ctrl->val ? 0 : MT9T001_OUTPUT_CONTROL_TEST_DATA,
 			ctrl->val ? MT9T001_OUTPUT_CONTROL_TEST_DATA : 0);
-		if (ret < 0)
-			return ret;
 
+	case V4L2_CID_TEST_PATTERN_COLOR:
 		return mt9t001_write(client, MT9T001_TEST_DATA, ctrl->val << 2);
 
 	case V4L2_CID_BLACK_LEVEL_AUTO:
@@ -533,12 +532,17 @@ static struct v4l2_ctrl_ops mt9t001_ctrl_ops = {
 	.s_ctrl = mt9t001_s_ctrl,
 };
 
+static const char * const mt9t001_test_pattern_menu[] = {
+	"Disabled",
+	"Enabled",
+};
+
 static const struct v4l2_ctrl_config mt9t001_ctrls[] = {
 	{
 		.ops		= &mt9t001_ctrl_ops,
-		.id		= V4L2_CID_TEST_PATTERN,
+		.id		= V4L2_CID_TEST_PATTERN_COLOR,
 		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Test pattern",
+		.name		= "Test Pattern Color",
 		.min		= 0,
 		.max		= 1023,
 		.step		= 1,
@@ -741,7 +745,7 @@ static int mt9t001_probe(struct i2c_client *client,
 		return -ENOMEM;
 
 	v4l2_ctrl_handler_init(&mt9t001->ctrls, ARRAY_SIZE(mt9t001_ctrls) +
-						ARRAY_SIZE(mt9t001_gains) + 3);
+						ARRAY_SIZE(mt9t001_gains) + 4);
 
 	v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
 			  V4L2_CID_EXPOSURE, MT9T001_SHUTTER_WIDTH_MIN,
@@ -752,6 +756,10 @@ static int mt9t001_probe(struct i2c_client *client,
 	v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
 			  V4L2_CID_PIXEL_RATE, pdata->ext_clk, pdata->ext_clk,
 			  1, pdata->ext_clk);
+	v4l2_ctrl_new_std_menu_items(&mt9t001->ctrls, &mt9t001_ctrl_ops,
+			V4L2_CID_TEST_PATTERN,
+			ARRAY_SIZE(mt9t001_test_pattern_menu) - 1, 0,
+			0, mt9t001_test_pattern_menu);
 
 	for (i = 0; i < ARRAY_SIZE(mt9t001_ctrls); ++i)
 		v4l2_ctrl_new_custom(&mt9t001->ctrls, &mt9t001_ctrls[i], NULL);
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index e2177405dad..3f356cb2825 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -141,6 +141,10 @@ struct mt9v032 {
 	u16 chip_control;
 	u16 aec_agc;
 	u16 hblank;
+	struct {
+		struct v4l2_ctrl *test_pattern;
+		struct v4l2_ctrl *test_pattern_color;
+	};
 };
 
 static struct mt9v032 *to_mt9v032(struct v4l2_subdev *sd)
@@ -500,7 +504,7 @@ static int mt9v032_set_crop(struct v4l2_subdev *subdev,
  * V4L2 subdev control operations
  */
 
-#define V4L2_CID_TEST_PATTERN		(V4L2_CID_USER_BASE | 0x1001)
+#define V4L2_CID_TEST_PATTERN_COLOR	(V4L2_CID_USER_BASE | 0x1001)
 
 static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
 {
@@ -545,7 +549,7 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
 		break;
 
 	case V4L2_CID_TEST_PATTERN:
-		switch (ctrl->val) {
+		switch (mt9v032->test_pattern->val) {
 		case 0:
 			data = 0;
 			break;
@@ -562,13 +566,13 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl)
 			     | MT9V032_TEST_PATTERN_ENABLE;
 			break;
 		default:
-			data = (ctrl->val << MT9V032_TEST_PATTERN_DATA_SHIFT)
+			data = (mt9v032->test_pattern_color->val <<
+				MT9V032_TEST_PATTERN_DATA_SHIFT)
 			     | MT9V032_TEST_PATTERN_USE_DATA
 			     | MT9V032_TEST_PATTERN_ENABLE
 			     | MT9V032_TEST_PATTERN_FLIP;
 			break;
 		}
-
 		return mt9v032_write(client, MT9V032_TEST_PATTERN, data);
 	}
 
@@ -579,18 +583,24 @@ static struct v4l2_ctrl_ops mt9v032_ctrl_ops = {
 	.s_ctrl = mt9v032_s_ctrl,
 };
 
-static const struct v4l2_ctrl_config mt9v032_ctrls[] = {
-	{
-		.ops		= &mt9v032_ctrl_ops,
-		.id		= V4L2_CID_TEST_PATTERN,
-		.type		= V4L2_CTRL_TYPE_INTEGER,
-		.name		= "Test pattern",
-		.min		= 0,
-		.max		= 1023,
-		.step		= 1,
-		.def		= 0,
-		.flags		= 0,
-	}
+static const char * const mt9v032_test_pattern_menu[] = {
+	"Disabled",
+	"Gray Vertical Shade",
+	"Gray Horizontal Shade",
+	"Gray Diagonal Shade",
+	"Plain",
+};
+
+static const struct v4l2_ctrl_config mt9v032_test_pattern_color = {
+	.ops		= &mt9v032_ctrl_ops,
+	.id		= V4L2_CID_TEST_PATTERN_COLOR,
+	.type		= V4L2_CTRL_TYPE_INTEGER,
+	.name		= "Test Pattern Color",
+	.min		= 0,
+	.max		= 1023,
+	.step		= 1,
+	.def		= 0,
+	.flags		= 0,
 };
 
 /* -----------------------------------------------------------------------------
@@ -741,7 +751,7 @@ static int mt9v032_probe(struct i2c_client *client,
 	mutex_init(&mt9v032->power_lock);
 	mt9v032->pdata = pdata;
 
-	v4l2_ctrl_handler_init(&mt9v032->ctrls, ARRAY_SIZE(mt9v032_ctrls) + 8);
+	v4l2_ctrl_handler_init(&mt9v032->ctrls, 10);
 
 	v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops,
 			  V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
@@ -763,6 +773,14 @@ static int mt9v032_probe(struct i2c_client *client,
 			  V4L2_CID_VBLANK, MT9V032_VERTICAL_BLANKING_MIN,
 			  MT9V032_VERTICAL_BLANKING_MAX, 1,
 			  MT9V032_VERTICAL_BLANKING_DEF);
+	mt9v032->test_pattern = v4l2_ctrl_new_std_menu_items(&mt9v032->ctrls,
+				&mt9v032_ctrl_ops, V4L2_CID_TEST_PATTERN,
+				ARRAY_SIZE(mt9v032_test_pattern_menu) - 1, 0, 0,
+				mt9v032_test_pattern_menu);
+	mt9v032->test_pattern_color = v4l2_ctrl_new_custom(&mt9v032->ctrls,
+				      &mt9v032_test_pattern_color, NULL);
+
+	v4l2_ctrl_cluster(2, &mt9v032->test_pattern);
 
 	mt9v032->pixel_rate =
 		v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops,
@@ -784,8 +802,6 @@ static int mt9v032_probe(struct i2c_client *client,
 		v4l2_ctrl_cluster(2, &mt9v032->link_freq);
 	}
 
-	for (i = 0; i < ARRAY_SIZE(mt9v032_ctrls); ++i)
-		v4l2_ctrl_new_custom(&mt9v032->ctrls, &mt9v032_ctrls[i], NULL);
 
 	mt9v032->subdev.ctrl_handler = &mt9v032->ctrls;
 
diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c
index 78ac5744cb5..d2d298b6354 100644
--- a/drivers/media/i2c/soc_camera/ov2640.c
+++ b/drivers/media/i2c/soc_camera/ov2640.c
@@ -684,6 +684,11 @@ static int ov2640_s_ctrl(struct v4l2_ctrl *ctrl)
 		&container_of(ctrl->handler, struct ov2640_priv, hdl)->subdev;
 	struct i2c_client  *client = v4l2_get_subdevdata(sd);
 	u8 val;
+	int ret;
+
+	ret = i2c_smbus_write_byte_data(client, BANK_SEL, BANK_SEL_SENS);
+	if (ret < 0)
+		return ret;
 
 	switch (ctrl->id) {
 	case V4L2_CID_VFLIP:
diff --git a/drivers/media/i2c/ths7303.c b/drivers/media/i2c/ths7303.c
index e5c0eedebc5..c31cc04fffd 100644
--- a/drivers/media/i2c/ths7303.c
+++ b/drivers/media/i2c/ths7303.c
@@ -28,6 +28,18 @@
 #include <media/v4l2-subdev.h>
 #include <media/v4l2-chip-ident.h>
 
+#define THS7303_CHANNEL_1	1
+#define THS7303_CHANNEL_2	2
+#define THS7303_CHANNEL_3	3
+
+enum ths7303_filter_mode {
+	THS7303_FILTER_MODE_480I_576I,
+	THS7303_FILTER_MODE_480P_576P,
+	THS7303_FILTER_MODE_720P_1080I,
+	THS7303_FILTER_MODE_1080P,
+	THS7303_FILTER_MODE_DISABLE
+};
+
 MODULE_DESCRIPTION("TI THS7303 video amplifier driver");
 MODULE_AUTHOR("Chaithrika U S");
 MODULE_LICENSE("GPL");
@@ -37,35 +49,96 @@ module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Debug level 0-1");
 
 /* following function is used to set ths7303 */
-static int ths7303_setvalue(struct v4l2_subdev *sd, v4l2_std_id std)
+int ths7303_setval(struct v4l2_subdev *sd, enum ths7303_filter_mode mode)
 {
+	u8 input_bias_chroma = 3;
+	u8 input_bias_luma = 3;
+	int disable = 0;
 	int err = 0;
-	u8 val;
-	struct i2c_client *client;
+	u8 val = 0;
+	u8 temp;
 
-	client = v4l2_get_subdevdata(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-	if (std & (V4L2_STD_ALL & ~V4L2_STD_SECAM)) {
-		val = 0x02;
-		v4l2_dbg(1, debug, sd, "setting value for SDTV format\n");
-	} else {
-		val = 0x00;
-		v4l2_dbg(1, debug, sd, "disabling all channels\n");
+	if (!client)
+		return -EINVAL;
+
+	switch (mode) {
+	case THS7303_FILTER_MODE_1080P:
+		val = (3 << 6);
+		val |= (3 << 3);
+		break;
+	case THS7303_FILTER_MODE_720P_1080I:
+		val = (2 << 6);
+		val |= (2 << 3);
+		break;
+	case THS7303_FILTER_MODE_480P_576P:
+		val = (1 << 6);
+		val |= (1 << 3);
+		break;
+	case THS7303_FILTER_MODE_480I_576I:
+		break;
+	case THS7303_FILTER_MODE_DISABLE:
+		pr_info("mode disabled\n");
+		/* disable all channels */
+		disable = 1;
+	default:
+		/* disable all channels */
+		disable = 1;
 	}
+	/* Setup channel 2 - Luma - Green */
+	temp = val;
+	if (!disable)
+		val |= input_bias_luma;
+	err = i2c_smbus_write_byte_data(client, THS7303_CHANNEL_2, val);
+	if (err)
+		goto out;
 
-	err |= i2c_smbus_write_byte_data(client, 0x01, val);
-	err |= i2c_smbus_write_byte_data(client, 0x02, val);
-	err |= i2c_smbus_write_byte_data(client, 0x03, val);
+	/* setup two chroma channels */
+	if (!disable)
+		temp |= input_bias_chroma;
 
+	err = i2c_smbus_write_byte_data(client, THS7303_CHANNEL_1, temp);
 	if (err)
-		v4l2_err(sd, "write failed\n");
+		goto out;
 
+	err = i2c_smbus_write_byte_data(client, THS7303_CHANNEL_3, temp);
+	if (err)
+		goto out;
+	return err;
+out:
+	pr_info("write byte data failed\n");
 	return err;
 }
 
 static int ths7303_s_std_output(struct v4l2_subdev *sd, v4l2_std_id norm)
 {
-	return ths7303_setvalue(sd, norm);
+	if (norm & (V4L2_STD_ALL & ~V4L2_STD_SECAM))
+		return ths7303_setval(sd, THS7303_FILTER_MODE_480I_576I);
+	else
+		return ths7303_setval(sd, THS7303_FILTER_MODE_DISABLE);
+}
+
+/* for setting filter for HD output */
+static int ths7303_s_dv_timings(struct v4l2_subdev *sd,
+			       struct v4l2_dv_timings *dv_timings)
+{
+	u32 height = dv_timings->bt.height;
+	int interlaced = dv_timings->bt.interlaced;
+	int res = 0;
+
+	if (height == 1080 && !interlaced)
+		res = ths7303_setval(sd, THS7303_FILTER_MODE_1080P);
+	else if ((height == 720 && !interlaced) ||
+			(height == 1080 && interlaced))
+		res = ths7303_setval(sd, THS7303_FILTER_MODE_720P_1080I);
+	else if ((height == 480 || height == 576) && !interlaced)
+		res = ths7303_setval(sd, THS7303_FILTER_MODE_480P_576P);
+	else
+		/* disable all channels */
+		res = ths7303_setval(sd, THS7303_FILTER_MODE_DISABLE);
+
+	return res;
 }
 
 static int ths7303_g_chip_ident(struct v4l2_subdev *sd,
@@ -78,6 +151,7 @@ static int ths7303_g_chip_ident(struct v4l2_subdev *sd,
 
 static const struct v4l2_subdev_video_ops ths7303_video_ops = {
 	.s_std_output	= ths7303_s_std_output,
+	.s_dv_timings    = ths7303_s_dv_timings,
 };
 
 static const struct v4l2_subdev_core_ops ths7303_core_ops = {
@@ -107,7 +181,7 @@ static int ths7303_probe(struct i2c_client *client,
 
 	v4l2_i2c_subdev_init(sd, client, &ths7303_ops);
 
-	return ths7303_setvalue(sd, std_id);
+	return ths7303_s_std_output(sd, std_id);
 }
 
 static int ths7303_remove(struct i2c_client *client)
diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c
index 1f3943bb87d..d5e10215a28 100644
--- a/drivers/media/i2c/tvp514x.c
+++ b/drivers/media/i2c/tvp514x.c
@@ -519,6 +519,12 @@ static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
 
 	*std_id = V4L2_STD_UNKNOWN;
 
+	/* To query the standard the TVP514x must power on the ADCs. */
+	if (!decoder->streaming) {
+		tvp514x_s_stream(sd, 1);
+		msleep(LOCK_RETRY_DELAY);
+	}
+
 	/* query the current standard */
 	current_std = tvp514x_query_current_std(sd);
 	if (current_std == STD_INVALID)
@@ -625,25 +631,12 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd,
 	int err;
 	enum tvp514x_input input_sel;
 	enum tvp514x_output output_sel;
-	u8 sync_lock_status, lock_mask;
-	int try_count = LOCK_RETRY_COUNT;
 
 	if ((input >= INPUT_INVALID) ||
 			(output >= OUTPUT_INVALID))
 		/* Index out of bound */
 		return -EINVAL;
 
-	/*
-	 * For the sequence streamon -> streamoff and again s_input
-	 * it fails to lock the signal, since streamoff puts TVP514x
-	 * into power off state which leads to failure in sub-sequent s_input.
-	 *
-	 * So power up the TVP514x device here, since it is important to lock
-	 * the signal at this stage.
-	 */
-	if (!decoder->streaming)
-		tvp514x_s_stream(sd, 1);
-
 	input_sel = input;
 	output_sel = output;
 
@@ -660,64 +653,6 @@ static int tvp514x_s_routing(struct v4l2_subdev *sd,
 
 	decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;
 	decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;
-
-	/* Clear status */
-	msleep(LOCK_RETRY_DELAY);
-	err =
-	    tvp514x_write_reg(sd, REG_CLEAR_LOST_LOCK, 0x01);
-	if (err)
-		return err;
-
-	switch (input_sel) {
-	case INPUT_CVBS_VI1A:
-	case INPUT_CVBS_VI1B:
-	case INPUT_CVBS_VI1C:
-	case INPUT_CVBS_VI2A:
-	case INPUT_CVBS_VI2B:
-	case INPUT_CVBS_VI2C:
-	case INPUT_CVBS_VI3A:
-	case INPUT_CVBS_VI3B:
-	case INPUT_CVBS_VI3C:
-	case INPUT_CVBS_VI4A:
-		lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
-			STATUS_HORZ_SYNC_LOCK_BIT |
-			STATUS_VIRT_SYNC_LOCK_BIT;
-		break;
-
-	case INPUT_SVIDEO_VI2A_VI1A:
-	case INPUT_SVIDEO_VI2B_VI1B:
-	case INPUT_SVIDEO_VI2C_VI1C:
-	case INPUT_SVIDEO_VI2A_VI3A:
-	case INPUT_SVIDEO_VI2B_VI3B:
-	case INPUT_SVIDEO_VI2C_VI3C:
-	case INPUT_SVIDEO_VI4A_VI1A:
-	case INPUT_SVIDEO_VI4A_VI1B:
-	case INPUT_SVIDEO_VI4A_VI1C:
-	case INPUT_SVIDEO_VI4A_VI3A:
-	case INPUT_SVIDEO_VI4A_VI3B:
-	case INPUT_SVIDEO_VI4A_VI3C:
-		lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
-			STATUS_VIRT_SYNC_LOCK_BIT;
-		break;
-	/* Need to add other interfaces*/
-	default:
-		return -EINVAL;
-	}
-
-	while (try_count-- > 0) {
-		/* Allow decoder to sync up with new input */
-		msleep(LOCK_RETRY_DELAY);
-
-		sync_lock_status = tvp514x_read_reg(sd,
-				REG_STATUS1);
-		if (lock_mask == (sync_lock_status & lock_mask))
-			/* Input detected */
-			break;
-	}
-
-	if (try_count < 0)
-		return -EINVAL;
-
 	decoder->input = input;
 	decoder->output = output;
 
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index b68918c97f6..56c6c77793d 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -668,6 +668,12 @@ static const struct v4l2_queryctrl bttv_ctls[] = {
 		.default_value = 32768,
 		.type          = V4L2_CTRL_TYPE_INTEGER,
 	},{
+		.id            = V4L2_CID_COLOR_KILLER,
+		.name          = "Color killer",
+		.minimum       = 0,
+		.maximum       = 1,
+		.type          = V4L2_CTRL_TYPE_BOOLEAN,
+	}, {
 		.id            = V4L2_CID_HUE,
 		.name          = "Hue",
 		.minimum       = 0,
@@ -1474,6 +1480,9 @@ static int bttv_g_ctrl(struct file *file, void *priv,
 	case V4L2_CID_SATURATION:
 		c->value = btv->saturation;
 		break;
+	case V4L2_CID_COLOR_KILLER:
+		c->value = btv->opt_color_killer;
+		break;
 
 	case V4L2_CID_AUDIO_MUTE:
 	case V4L2_CID_AUDIO_VOLUME:
@@ -1526,7 +1535,6 @@ static int bttv_s_ctrl(struct file *file, void *f,
 					struct v4l2_control *c)
 {
 	int err;
-	int val;
 	struct bttv_fh *fh = f;
 	struct bttv *btv = fh->btv;
 
@@ -1547,6 +1555,16 @@ static int bttv_s_ctrl(struct file *file, void *f,
 	case V4L2_CID_SATURATION:
 		bt848_sat(btv, c->value);
 		break;
+	case V4L2_CID_COLOR_KILLER:
+		btv->opt_color_killer = c->value;
+		if (btv->opt_color_killer) {
+			btor(BT848_SCLOOP_CKILL, BT848_E_SCLOOP);
+			btor(BT848_SCLOOP_CKILL, BT848_O_SCLOOP);
+		} else {
+			btand(~BT848_SCLOOP_CKILL, BT848_E_SCLOOP);
+			btand(~BT848_SCLOOP_CKILL, BT848_O_SCLOOP);
+		}
+		break;
 	case V4L2_CID_AUDIO_MUTE:
 		audio_mute(btv, c->value);
 		/* fall through */
@@ -1564,9 +1582,13 @@ static int bttv_s_ctrl(struct file *file, void *f,
 
 	case V4L2_CID_PRIVATE_CHROMA_AGC:
 		btv->opt_chroma_agc = c->value;
-		val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
-		btwrite(val, BT848_E_SCLOOP);
-		btwrite(val, BT848_O_SCLOOP);
+		if (btv->opt_chroma_agc) {
+			btor(BT848_SCLOOP_CAGC, BT848_E_SCLOOP);
+			btor(BT848_SCLOOP_CAGC, BT848_O_SCLOOP);
+		} else {
+			btand(~BT848_SCLOOP_CAGC, BT848_E_SCLOOP);
+			btand(~BT848_SCLOOP_CAGC, BT848_O_SCLOOP);
+		}
 		break;
 	case V4L2_CID_PRIVATE_COMBFILTER:
 		btv->opt_combfilter = c->value;
diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h
index 70fd4f23f60..9ec0adba236 100644
--- a/drivers/media/pci/bt8xx/bttvp.h
+++ b/drivers/media/pci/bt8xx/bttvp.h
@@ -429,6 +429,7 @@ struct bttv {
 	int opt_lumafilter;
 	int opt_automute;
 	int opt_chroma_agc;
+	int opt_color_killer;
 	int opt_adc_crush;
 	int opt_vcr_hack;
 	int opt_whitecrush_upper;
diff --git a/drivers/media/pci/bt8xx/dst_ca.c b/drivers/media/pci/bt8xx/dst_ca.c
index ee3884fbc9c..7d96fab7d24 100644
--- a/drivers/media/pci/bt8xx/dst_ca.c
+++ b/drivers/media/pci/bt8xx/dst_ca.c
@@ -646,7 +646,7 @@ static long dst_ca_ioctl(struct file *file, unsigned int cmd, unsigned long ioct
 		dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_PID Success !");
 	default:
 		result = -EOPNOTSUPP;
-	};
+	}
  free_mem_and_exit:
 	kfree (p_ca_message);
 	kfree (p_ca_slot_info);
diff --git a/drivers/media/pci/cx23885/altera-ci.c b/drivers/media/pci/cx23885/altera-ci.c
index aee7f0dacff..495781ee471 100644
--- a/drivers/media/pci/cx23885/altera-ci.c
+++ b/drivers/media/pci/cx23885/altera-ci.c
@@ -416,7 +416,7 @@ static void netup_read_ci_status(struct work_struct *work)
 				DVB_CA_EN50221_POLL_CAM_READY : 0);
 		ci_dbg_print("%s: setting CI[1] status = 0x%x\n",
 				__func__, inter->state[1]->status);
-	};
+	}
 
 	if (inter->state[0] != NULL) {
 		inter->state[0]->status =
@@ -425,7 +425,7 @@ static void netup_read_ci_status(struct work_struct *work)
 				DVB_CA_EN50221_POLL_CAM_READY : 0);
 		ci_dbg_print("%s: setting CI[0] status = 0x%x\n",
 				__func__, inter->state[0]->status);
-	};
+	}
 }
 
 /* CI irq handler */
diff --git a/drivers/media/pci/cx23885/cimax2.c b/drivers/media/pci/cx23885/cimax2.c
index c9f15d6dec4..6617774a326 100644
--- a/drivers/media/pci/cx23885/cimax2.c
+++ b/drivers/media/pci/cx23885/cimax2.c
@@ -193,7 +193,7 @@ int netup_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot,
 				0, &store, 1);
 		if (ret != 0)
 			return ret;
-	};
+	}
 	state->current_ci_flag = flag;
 
 	mutex_lock(&dev->gpio_lock);
diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c
index 39a4a4b9ed7..5acdf954ff6 100644
--- a/drivers/media/pci/cx23885/cx23885-cards.c
+++ b/drivers/media/pci/cx23885/cx23885-cards.c
@@ -542,11 +542,13 @@ struct cx23885_board cx23885_boards[] = {
 			{
 				.type   = CX23885_VMUX_COMPOSITE1,
 				.vmux   = CX25840_COMPOSITE8,
+				.amux   = CX25840_AUDIO7,
 			},
 			{
 				.type   = CX23885_VMUX_SVIDEO,
 				.vmux   = CX25840_SVIDEO_LUMA3 |
 						CX25840_SVIDEO_CHROMA4,
+				.amux   = CX25840_AUDIO7,
 			},
 			{
 				.type   = CX23885_VMUX_COMPONENT,
@@ -554,6 +556,7 @@ struct cx23885_board cx23885_boards[] = {
 					CX25840_VIN1_CH1 |
 					CX25840_VIN6_CH2 |
 					CX25840_VIN7_CH3,
+				.amux   = CX25840_AUDIO7,
 			},
 		},
 	},
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
index 8c4a9a5f9a5..1a21926ca41 100644
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -508,7 +508,8 @@ static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
-		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850)) {
+		(dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
+		(dev->board == CX23885_BOARD_MYGICA_X8507)) {
 		/* Configure audio routing */
 		v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 			INPUT(input)->amux, 0, 0);
diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
index c8c94fbf5d8..d33fc1a2303 100644
--- a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
+++ b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c
@@ -761,7 +761,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
 	}
 
 	/* Default if filename is empty string */
-	if (strcmp(dev->input_filename_ch2, "") == 0) {
+	if (strcmp(dev->_filename_ch2, "") == 0) {
 		if (dev->_isNTSC_ch2) {
 			dev->_filename_ch2 = (dev->_pixel_format_ch2 ==
 				PIXEL_FRMT_411) ? "/root/vid411.yuv" :
diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream.c b/drivers/media/pci/cx25821/cx25821-video-upstream.c
index 52c13e0b649..6759fff8eb6 100644
--- a/drivers/media/pci/cx25821/cx25821-video-upstream.c
+++ b/drivers/media/pci/cx25821/cx25821-video-upstream.c
@@ -808,7 +808,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
 	}
 
 	/* Default if filename is empty string */
-	if (strcmp(dev->input_filename, "") == 0) {
+	if (strcmp(dev->_filename, "") == 0) {
 		if (dev->_isNTSC) {
 			dev->_filename =
 				(dev->_pixel_format == PIXEL_FRMT_411) ?
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c
index def363fb71c..62184eb919e 100644
--- a/drivers/media/pci/cx88/cx88-blackbird.c
+++ b/drivers/media/pci/cx88/cx88-blackbird.c
@@ -721,7 +721,7 @@ static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
 
 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 	f->fmt.pix.bytesperline = 0;
-	f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
+	f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 	f->fmt.pix.width        = dev->width;
 	f->fmt.pix.height       = dev->height;
@@ -739,7 +739,7 @@ static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
 
 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 	f->fmt.pix.bytesperline = 0;
-	f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
+	f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 	dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
 		dev->width, dev->height, fh->mpegq.field );
@@ -755,7 +755,7 @@ static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
 
 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
 	f->fmt.pix.bytesperline = 0;
-	f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
+	f->fmt.pix.sizeimage    = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 	dev->width              = f->fmt.pix.width;
 	dev->height             = f->fmt.pix.height;
diff --git a/drivers/media/pci/cx88/cx88-dvb.c b/drivers/media/pci/cx88/cx88-dvb.c
index d803bba0952..666f83b2f3c 100644
--- a/drivers/media/pci/cx88/cx88-dvb.c
+++ b/drivers/media/pci/cx88/cx88-dvb.c
@@ -896,7 +896,7 @@ static int samsung_smt_7020_set_voltage(struct dvb_frontend *fe,
 		break;
 	default:
 		return -EINVAL;
-	};
+	}
 
 	return (i2c_transfer(&dev->core->i2c_adap, &msg, 1) == 1) ? 0 : -EIO;
 }
diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c
index c04fb618e10..d154bc19735 100644
--- a/drivers/media/pci/cx88/cx88-mpeg.c
+++ b/drivers/media/pci/cx88/cx88-mpeg.c
@@ -450,7 +450,7 @@ static irqreturn_t cx8802_irq(int irq, void *dev_id)
 			cx88_core_irq(core,status);
 		if (status & PCI_INT_TSINT)
 			cx8802_mpeg_irq(dev);
-	};
+	}
 	if (MAX_IRQ_LOOP == loop) {
 		dprintk( 0, "clearing mask\n" );
 		printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
diff --git a/drivers/media/pci/cx88/cx88-tvaudio.c b/drivers/media/pci/cx88/cx88-tvaudio.c
index 770ec05b5e9..424fd97495d 100644
--- a/drivers/media/pci/cx88/cx88-tvaudio.c
+++ b/drivers/media/pci/cx88/cx88-tvaudio.c
@@ -373,7 +373,7 @@ static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode)
 		set_audio_registers(core, nicam_bgdki_common);
 		set_audio_registers(core, nicam_default);
 		break;
-	};
+	}
 
 	mode |= EN_DMTRX_LR | EN_DMTRX_BYPASS;
 	set_audio_finish(core, mode);
@@ -639,7 +639,7 @@ static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
 		dprintk("%s Warning: wrong value\n", __func__);
 		return;
 		break;
-	};
+	}
 
 	mode |= EN_FMRADIO_EN_RDS | EN_DMTRX_SUMDIFF;
 	set_audio_finish(core, mode);
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index a146d50d779..05171457bf2 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -1535,7 +1535,7 @@ static irqreturn_t cx8800_irq(int irq, void *dev_id)
 			cx88_core_irq(core,status);
 		if (status & PCI_INT_VIDINT)
 			cx8800_vid_irq(dev);
-	};
+	}
 	if (10 == loop) {
 		printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
 		       core->name);
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 22f8758d047..4a77124ee70 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -1204,7 +1204,7 @@ int saa7134_s_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, str
 		break;
 	default:
 		/* nothing */;
-	};
+	}
 	switch (c->id) {
 	case V4L2_CID_BRIGHTNESS:
 		dev->ctl_bright = c->value;
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index f588d6296c7..181c7686e41 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -165,12 +165,12 @@ config VIDEO_SAMSUNG_S5P_JPEG
 	  This is a v4l2 driver for Samsung S5P and EXYNOS4 JPEG codec
 
 config VIDEO_SAMSUNG_S5P_MFC
-	tristate "Samsung S5P MFC 5.1 Video Codec"
+	tristate "Samsung S5P MFC Video Codec"
 	depends on VIDEO_DEV && VIDEO_V4L2 && PLAT_S5P
 	select VIDEOBUF2_DMA_CONTIG
 	default n
 	help
-	    MFC 5.1 driver for V4L2.
+	    MFC 5.1 and 6.x driver for V4L2
 
 config VIDEO_MX2_EMMAPRP
 	tristate "MX2 eMMa-PrP support"
diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c
index c4a82a1a8a9..69d7a58c92c 100644
--- a/drivers/media/platform/davinci/vpbe.c
+++ b/drivers/media/platform/davinci/vpbe.c
@@ -174,26 +174,6 @@ static int vpbe_get_current_mode_info(struct vpbe_device *vpbe_dev,
 	return 0;
 }
 
-static int vpbe_get_dv_preset_info(struct vpbe_device *vpbe_dev,
-				   unsigned int dv_preset)
-{
-	struct vpbe_config *cfg = vpbe_dev->cfg;
-	struct vpbe_enc_mode_info var;
-	int curr_output = vpbe_dev->current_out_index;
-	int i;
-
-	for (i = 0; i < vpbe_dev->cfg->outputs[curr_output].num_modes; i++) {
-		var = cfg->outputs[curr_output].modes[i];
-		if ((var.timings_type & VPBE_ENC_DV_PRESET) &&
-		  (var.timings.dv_preset == dv_preset)) {
-			vpbe_dev->current_timings = var;
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-
 /* Get std by std id */
 static int vpbe_get_std_info(struct vpbe_device *vpbe_dev,
 			     v4l2_std_id std_id)
@@ -206,7 +186,7 @@ static int vpbe_get_std_info(struct vpbe_device *vpbe_dev,
 	for (i = 0; i < vpbe_dev->cfg->outputs[curr_output].num_modes; i++) {
 		var = cfg->outputs[curr_output].modes[i];
 		if ((var.timings_type & VPBE_ENC_STD) &&
-		  (var.timings.std_id & std_id)) {
+		  (var.std_id & std_id)) {
 			vpbe_dev->current_timings = var;
 			return 0;
 		}
@@ -344,38 +324,42 @@ static unsigned int vpbe_get_output(struct vpbe_device *vpbe_dev)
 }
 
 /**
- * vpbe_s_dv_preset - Set the given preset timings in the encoder
+ * vpbe_s_dv_timings - Set the given preset timings in the encoder
  *
- * Sets the preset if supported by the current encoder. Return the status.
+ * Sets the timings if supported by the current encoder. Return the status.
  * 0 - success & -EINVAL on error
  */
-static int vpbe_s_dv_preset(struct vpbe_device *vpbe_dev,
-		     struct v4l2_dv_preset *dv_preset)
+static int vpbe_s_dv_timings(struct vpbe_device *vpbe_dev,
+		    struct v4l2_dv_timings *dv_timings)
 {
 	struct vpbe_config *cfg = vpbe_dev->cfg;
 	int out_index = vpbe_dev->current_out_index;
+	struct vpbe_output *output = &cfg->outputs[out_index];
 	int sd_index = vpbe_dev->current_sd_index;
-	int ret;
+	int ret, i;
 
 
 	if (!(cfg->outputs[out_index].output.capabilities &
-	    V4L2_OUT_CAP_PRESETS))
+	    V4L2_OUT_CAP_DV_TIMINGS))
 		return -EINVAL;
 
-	ret = vpbe_get_dv_preset_info(vpbe_dev, dv_preset->preset);
-
-	if (ret)
-		return ret;
-
+	for (i = 0; i < output->num_modes; i++) {
+		if (output->modes[i].timings_type == VPBE_ENC_CUSTOM_TIMINGS &&
+		    !memcmp(&output->modes[i].dv_timings,
+				dv_timings, sizeof(*dv_timings)))
+			break;
+	}
+	if (i >= output->num_modes)
+		return -EINVAL;
+	vpbe_dev->current_timings = output->modes[i];
 	mutex_lock(&vpbe_dev->lock);
 
-
 	ret = v4l2_subdev_call(vpbe_dev->encoders[sd_index], video,
-					s_dv_preset, dv_preset);
+					s_dv_timings, dv_timings);
 	if (!ret && (vpbe_dev->amp != NULL)) {
 		/* Call amplifier subdevice */
 		ret = v4l2_subdev_call(vpbe_dev->amp, video,
-				s_dv_preset, dv_preset);
+				s_dv_timings, dv_timings);
 	}
 	/* set the lcd controller output for the given mode */
 	if (!ret) {
@@ -392,17 +376,17 @@ static int vpbe_s_dv_preset(struct vpbe_device *vpbe_dev,
 }
 
 /**
- * vpbe_g_dv_preset - Get the preset in the current encoder
+ * vpbe_g_dv_timings - Get the timings in the current encoder
  *
- * Get the preset in the current encoder. Return the status. 0 - success
+ * Get the timings in the current encoder. Return the status. 0 - success
  * -EINVAL on error
  */
-static int vpbe_g_dv_preset(struct vpbe_device *vpbe_dev,
-		     struct v4l2_dv_preset *dv_preset)
+static int vpbe_g_dv_timings(struct vpbe_device *vpbe_dev,
+		     struct v4l2_dv_timings *dv_timings)
 {
 	if (vpbe_dev->current_timings.timings_type &
-	  VPBE_ENC_DV_PRESET) {
-		dv_preset->preset = vpbe_dev->current_timings.timings.dv_preset;
+	  VPBE_ENC_CUSTOM_TIMINGS) {
+		*dv_timings = vpbe_dev->current_timings.dv_timings;
 		return 0;
 	}
 
@@ -410,13 +394,13 @@ static int vpbe_g_dv_preset(struct vpbe_device *vpbe_dev,
 }
 
 /**
- * vpbe_enum_dv_presets - Enumerate the dv presets in the current encoder
+ * vpbe_enum_dv_timings - Enumerate the dv timings in the current encoder
  *
- * Get the preset in the current encoder. Return the status. 0 - success
+ * Get the timings in the current encoder. Return the status. 0 - success
  * -EINVAL on error
  */
-static int vpbe_enum_dv_presets(struct vpbe_device *vpbe_dev,
-			 struct v4l2_dv_enum_preset *preset_info)
+static int vpbe_enum_dv_timings(struct vpbe_device *vpbe_dev,
+			 struct v4l2_enum_dv_timings *timings)
 {
 	struct vpbe_config *cfg = vpbe_dev->cfg;
 	int out_index = vpbe_dev->current_out_index;
@@ -424,12 +408,12 @@ static int vpbe_enum_dv_presets(struct vpbe_device *vpbe_dev,
 	int j = 0;
 	int i;
 
-	if (!(output->output.capabilities & V4L2_OUT_CAP_PRESETS))
+	if (!(output->output.capabilities & V4L2_OUT_CAP_DV_TIMINGS))
 		return -EINVAL;
 
 	for (i = 0; i < output->num_modes; i++) {
-		if (output->modes[i].timings_type == VPBE_ENC_DV_PRESET) {
-			if (j == preset_info->index)
+		if (output->modes[i].timings_type == VPBE_ENC_CUSTOM_TIMINGS) {
+			if (j == timings->index)
 				break;
 			j++;
 		}
@@ -437,9 +421,8 @@ static int vpbe_enum_dv_presets(struct vpbe_device *vpbe_dev,
 
 	if (i == output->num_modes)
 		return -EINVAL;
-
-	return v4l_fill_dv_preset_info(output->modes[i].timings.dv_preset,
-					preset_info);
+	timings->timings = output->modes[i].dv_timings;
+	return 0;
 }
 
 /**
@@ -489,10 +472,10 @@ static int vpbe_s_std(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id)
  */
 static int vpbe_g_std(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id)
 {
-	struct vpbe_enc_mode_info cur_timings = vpbe_dev->current_timings;
+	struct vpbe_enc_mode_info *cur_timings = &vpbe_dev->current_timings;
 
-	if (cur_timings.timings_type & VPBE_ENC_STD) {
-		*std_id = cur_timings.timings.std_id;
+	if (cur_timings->timings_type & VPBE_ENC_STD) {
+		*std_id = cur_timings->std_id;
 		return 0;
 	}
 
@@ -511,7 +494,7 @@ static int vpbe_set_mode(struct vpbe_device *vpbe_dev,
 {
 	struct vpbe_enc_mode_info *preset_mode = NULL;
 	struct vpbe_config *cfg = vpbe_dev->cfg;
-	struct v4l2_dv_preset dv_preset;
+	struct v4l2_dv_timings dv_timings;
 	struct osd_state *osd_device;
 	int out_index = vpbe_dev->current_out_index;
 	int ret = 0;
@@ -530,11 +513,12 @@ static int vpbe_set_mode(struct vpbe_device *vpbe_dev,
 			 */
 			if (preset_mode->timings_type & VPBE_ENC_STD)
 				return vpbe_s_std(vpbe_dev,
-						 &preset_mode->timings.std_id);
-			if (preset_mode->timings_type & VPBE_ENC_DV_PRESET) {
-				dv_preset.preset =
-					preset_mode->timings.dv_preset;
-				return vpbe_s_dv_preset(vpbe_dev, &dv_preset);
+						 &preset_mode->std_id);
+			if (preset_mode->timings_type &
+						VPBE_ENC_CUSTOM_TIMINGS) {
+				dv_timings =
+					preset_mode->dv_timings;
+				return vpbe_s_dv_timings(vpbe_dev, &dv_timings);
 			}
 		}
 	}
@@ -626,11 +610,11 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 		vpbe_dev->dac_clk = clk_get(vpbe_dev->pdev, "vpss_dac");
 		if (IS_ERR(vpbe_dev->dac_clk)) {
 			ret =  PTR_ERR(vpbe_dev->dac_clk);
-			goto vpbe_unlock;
+			goto fail_mutex_unlock;
 		}
 		if (clk_enable(vpbe_dev->dac_clk)) {
 			ret =  -ENODEV;
-			goto vpbe_unlock;
+			goto fail_mutex_unlock;
 		}
 	}
 
@@ -642,7 +626,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	if (ret) {
 		v4l2_err(dev->driver,
 			"Unable to register v4l2 device.\n");
-		goto vpbe_fail_clock;
+		goto fail_clk_put;
 	}
 	v4l2_info(&vpbe_dev->v4l2_dev, "vpbe v4l2 device registered\n");
 
@@ -658,7 +642,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 		v4l2_err(&vpbe_dev->v4l2_dev,
 			"vpbe unable to init venc sub device\n");
 		ret = -ENODEV;
-		goto vpbe_fail_v4l2_device;
+		goto fail_dev_unregister;
 	}
 	/* initialize osd device */
 	osd_device = vpbe_dev->osd_device;
@@ -669,7 +653,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 			v4l2_err(&vpbe_dev->v4l2_dev,
 				 "unable to initialize the OSD device");
 			err = -ENOMEM;
-			goto vpbe_fail_v4l2_device;
+			goto fail_dev_unregister;
 		}
 	}
 
@@ -685,7 +669,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 		v4l2_err(&vpbe_dev->v4l2_dev,
 			"unable to allocate memory for encoders sub devices");
 		ret = -ENOMEM;
-		goto vpbe_fail_v4l2_device;
+		goto fail_dev_unregister;
 	}
 
 	i2c_adap = i2c_get_adapter(vpbe_dev->cfg->i2c_adapter_id);
@@ -711,7 +695,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 					 " failed to register",
 					 enc_info->module_name);
 				ret = -ENODEV;
-				goto vpbe_fail_sd_register;
+				goto fail_kfree_encoders;
 			}
 		} else
 			v4l2_warn(&vpbe_dev->v4l2_dev, "non-i2c encoders"
@@ -730,7 +714,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 					 "amplifier %s failed to register",
 					 amp_info->module_name);
 				ret = -ENODEV;
-				goto vpbe_fail_amp_register;
+				goto fail_kfree_encoders;
 			}
 			v4l2_info(&vpbe_dev->v4l2_dev,
 					  "v4l2 sub device %s registered\n",
@@ -770,16 +754,14 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	/* TBD handling of bootargs for default output and mode */
 	return 0;
 
-vpbe_fail_amp_register:
-	kfree(vpbe_dev->amp);
-vpbe_fail_sd_register:
+fail_kfree_encoders:
 	kfree(vpbe_dev->encoders);
-vpbe_fail_v4l2_device:
+fail_dev_unregister:
 	v4l2_device_unregister(&vpbe_dev->v4l2_dev);
-vpbe_fail_clock:
+fail_clk_put:
 	if (strcmp(vpbe_dev->cfg->module_name, "dm644x-vpbe-display") != 0)
 		clk_put(vpbe_dev->dac_clk);
-vpbe_unlock:
+fail_mutex_unlock:
 	mutex_unlock(&vpbe_dev->lock);
 	return ret;
 }
@@ -810,9 +792,9 @@ static struct vpbe_device_ops vpbe_dev_ops = {
 	.enum_outputs = vpbe_enum_outputs,
 	.set_output = vpbe_set_output,
 	.get_output = vpbe_get_output,
-	.s_dv_preset = vpbe_s_dv_preset,
-	.g_dv_preset = vpbe_g_dv_preset,
-	.enum_dv_presets = vpbe_enum_dv_presets,
+	.s_dv_timings = vpbe_s_dv_timings,
+	.g_dv_timings = vpbe_g_dv_timings,
+	.enum_dv_timings = vpbe_enum_dv_timings,
 	.s_std = vpbe_s_std,
 	.g_std = vpbe_g_std,
 	.initialize = vpbe_initialize,
diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index 239f37bfa31..161c77650e2 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -393,7 +393,7 @@ vpbe_disp_calculate_scale_factor(struct vpbe_display *disp_dev,
 	int h_scale;
 	int v_scale;
 
-	v4l2_std_id standard_id = vpbe_dev->current_timings.timings.std_id;
+	v4l2_std_id standard_id = vpbe_dev->current_timings.std_id;
 
 	/*
 	 * Application initially set the image format. Current display
@@ -637,7 +637,7 @@ static int vpbe_display_s_crop(struct file *file, void *priv,
 	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
 	struct osd_layer_config *cfg = &layer->layer_info.config;
 	struct osd_state *osd_device = disp_dev->osd_device;
-	struct v4l2_rect *rect = &crop->c;
+	struct v4l2_rect rect = crop->c;
 	int ret;
 
 	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
@@ -648,21 +648,21 @@ static int vpbe_display_s_crop(struct file *file, void *priv,
 		return -EINVAL;
 	}
 
-	if (rect->top < 0)
-		rect->top = 0;
-	if (rect->left < 0)
-		rect->left = 0;
+	if (rect.top < 0)
+		rect.top = 0;
+	if (rect.left < 0)
+		rect.left = 0;
 
-	vpbe_disp_check_window_params(disp_dev, rect);
+	vpbe_disp_check_window_params(disp_dev, &rect);
 
 	osd_device->ops.get_layer_config(osd_device,
 			layer->layer_info.id, cfg);
 
 	vpbe_disp_calculate_scale_factor(disp_dev, layer,
-					rect->width,
-					rect->height);
-	vpbe_disp_adj_position(disp_dev, layer, rect->top,
-					rect->left);
+					rect.width,
+					rect.height);
+	vpbe_disp_adj_position(disp_dev, layer, rect.top,
+					rect.left);
 	ret = osd_device->ops.set_layer_config(osd_device,
 				layer->layer_info.id, cfg);
 	if (ret < 0) {
@@ -943,7 +943,7 @@ static int vpbe_display_g_std(struct file *file, void *priv,
 
 	/* Get the standard from the current encoder */
 	if (vpbe_dev->current_timings.timings_type & VPBE_ENC_STD) {
-		*std_id = vpbe_dev->current_timings.timings.std_id;
+		*std_id = vpbe_dev->current_timings.std_id;
 		return 0;
 	}
 
@@ -1029,29 +1029,29 @@ static int vpbe_display_g_output(struct file *file, void *priv,
 }
 
 /**
- * vpbe_display_enum_dv_presets - Enumerate the dv presets
+ * vpbe_display_enum_dv_timings - Enumerate the dv timings
  *
- * enum the preset in the current encoder. Return the status. 0 - success
+ * enum the timings in the current encoder. Return the status. 0 - success
  * -EINVAL on error
  */
 static int
-vpbe_display_enum_dv_presets(struct file *file, void *priv,
-			struct v4l2_dv_enum_preset *preset)
+vpbe_display_enum_dv_timings(struct file *file, void *priv,
+			struct v4l2_enum_dv_timings *timings)
 {
 	struct vpbe_fh *fh = priv;
 	struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
 	int ret;
 
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_ENUM_DV_PRESETS\n");
+	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_ENUM_DV_TIMINGS\n");
 
 	/* Enumerate outputs */
-	if (NULL == vpbe_dev->ops.enum_dv_presets)
+	if (NULL == vpbe_dev->ops.enum_dv_timings)
 		return -EINVAL;
 
-	ret = vpbe_dev->ops.enum_dv_presets(vpbe_dev, preset);
+	ret = vpbe_dev->ops.enum_dv_timings(vpbe_dev, timings);
 	if (ret) {
 		v4l2_err(&vpbe_dev->v4l2_dev,
-			"Failed to enumerate dv presets info\n");
+			"Failed to enumerate dv timings info\n");
 		return -EINVAL;
 	}
 
@@ -1059,21 +1059,21 @@ vpbe_display_enum_dv_presets(struct file *file, void *priv,
 }
 
 /**
- * vpbe_display_s_dv_preset - Set the dv presets
+ * vpbe_display_s_dv_timings - Set the dv timings
  *
- * Set the preset in the current encoder. Return the status. 0 - success
+ * Set the timings in the current encoder. Return the status. 0 - success
  * -EINVAL on error
  */
 static int
-vpbe_display_s_dv_preset(struct file *file, void *priv,
-				struct v4l2_dv_preset *preset)
+vpbe_display_s_dv_timings(struct file *file, void *priv,
+				struct v4l2_dv_timings *timings)
 {
 	struct vpbe_fh *fh = priv;
 	struct vpbe_layer *layer = fh->layer;
 	struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
 	int ret;
 
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_DV_PRESETS\n");
+	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_DV_TIMINGS\n");
 
 
 	/* If streaming is started, return error */
@@ -1083,13 +1083,13 @@ vpbe_display_s_dv_preset(struct file *file, void *priv,
 	}
 
 	/* Set the given standard in the encoder */
-	if (!vpbe_dev->ops.s_dv_preset)
+	if (!vpbe_dev->ops.s_dv_timings)
 		return -EINVAL;
 
-	ret = vpbe_dev->ops.s_dv_preset(vpbe_dev, preset);
+	ret = vpbe_dev->ops.s_dv_timings(vpbe_dev, timings);
 	if (ret) {
 		v4l2_err(&vpbe_dev->v4l2_dev,
-			"Failed to set the dv presets info\n");
+			"Failed to set the dv timings info\n");
 		return -EINVAL;
 	}
 	/* set the current norm to zero to be consistent. If STD is used
@@ -1101,26 +1101,25 @@ vpbe_display_s_dv_preset(struct file *file, void *priv,
 }
 
 /**
- * vpbe_display_g_dv_preset - Set the dv presets
+ * vpbe_display_g_dv_timings - Set the dv timings
  *
- * Get the preset in the current encoder. Return the status. 0 - success
+ * Get the timings in the current encoder. Return the status. 0 - success
  * -EINVAL on error
  */
 static int
-vpbe_display_g_dv_preset(struct file *file, void *priv,
-				struct v4l2_dv_preset *dv_preset)
+vpbe_display_g_dv_timings(struct file *file, void *priv,
+				struct v4l2_dv_timings *dv_timings)
 {
 	struct vpbe_fh *fh = priv;
 	struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
 
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_DV_PRESETS\n");
+	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_DV_TIMINGS\n");
 
 	/* Get the given standard in the encoder */
 
 	if (vpbe_dev->current_timings.timings_type &
-				VPBE_ENC_DV_PRESET) {
-		dv_preset->preset =
-			vpbe_dev->current_timings.timings.dv_preset;
+				VPBE_ENC_CUSTOM_TIMINGS) {
+		*dv_timings = vpbe_dev->current_timings.dv_timings;
 	} else {
 		return -EINVAL;
 	}
@@ -1572,9 +1571,9 @@ static const struct v4l2_ioctl_ops vpbe_ioctl_ops = {
 	.vidioc_enum_output	 = vpbe_display_enum_output,
 	.vidioc_s_output	 = vpbe_display_s_output,
 	.vidioc_g_output	 = vpbe_display_g_output,
-	.vidioc_s_dv_preset	 = vpbe_display_s_dv_preset,
-	.vidioc_g_dv_preset	 = vpbe_display_g_dv_preset,
-	.vidioc_enum_dv_presets	 = vpbe_display_enum_dv_presets,
+	.vidioc_s_dv_timings	 = vpbe_display_s_dv_timings,
+	.vidioc_g_dv_timings	 = vpbe_display_g_dv_timings,
+	.vidioc_enum_dv_timings	 = vpbe_display_enum_dv_timings,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	.vidioc_g_register	 = vpbe_display_g_register,
 	.vidioc_s_register	 = vpbe_display_s_register,
@@ -1639,8 +1638,7 @@ static __devinit int init_vpbe_layer(int i, struct vpbe_display *disp_dev,
 			VPBE_ENC_STD) {
 		vbd->tvnorms = (V4L2_STD_525_60 | V4L2_STD_625_50);
 		vbd->current_norm =
-			disp_dev->vpbe_dev->
-			current_timings.timings.std_id;
+			disp_dev->vpbe_dev->current_timings.std_id;
 	} else
 		vbd->current_norm = 0;
 
diff --git a/drivers/media/platform/davinci/vpbe_venc.c b/drivers/media/platform/davinci/vpbe_venc.c
index 0302669622d..aed7369b962 100644
--- a/drivers/media/platform/davinci/vpbe_venc.c
+++ b/drivers/media/platform/davinci/vpbe_venc.c
@@ -298,7 +298,7 @@ static int venc_set_480p59_94(struct v4l2_subdev *sd)
 		return -EINVAL;
 
 	/* Setup clock at VPSS & VENC for SD */
-	if (pdata->setup_clock(VPBE_ENC_DV_PRESET, V4L2_DV_480P59_94) < 0)
+	if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 27000000) < 0)
 		return -EINVAL;
 
 	venc_enabledigitaloutput(sd, 0);
@@ -345,7 +345,7 @@ static int venc_set_576p50(struct v4l2_subdev *sd)
 	  (pdata->venc_type != VPBE_VERSION_2))
 		return -EINVAL;
 	/* Setup clock at VPSS & VENC for SD */
-	if (pdata->setup_clock(VPBE_ENC_DV_PRESET, V4L2_DV_576P50) < 0)
+	if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 27000000) < 0)
 		return -EINVAL;
 
 	venc_enabledigitaloutput(sd, 0);
@@ -385,7 +385,7 @@ static int venc_set_720p60_internal(struct v4l2_subdev *sd)
 	struct venc_state *venc = to_state(sd);
 	struct venc_platform_data *pdata = venc->pdata;
 
-	if (pdata->setup_clock(VPBE_ENC_DV_PRESET, V4L2_DV_720P60) < 0)
+	if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 74250000) < 0)
 		return -EINVAL;
 
 	venc_enabledigitaloutput(sd, 0);
@@ -413,7 +413,7 @@ static int venc_set_1080i30_internal(struct v4l2_subdev *sd)
 	struct venc_state *venc = to_state(sd);
 	struct venc_platform_data *pdata = venc->pdata;
 
-	if (pdata->setup_clock(VPBE_ENC_DV_PRESET, V4L2_DV_1080P30) < 0)
+	if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 74250000) < 0)
 		return -EINVAL;
 
 	venc_enabledigitaloutput(sd, 0);
@@ -446,26 +446,27 @@ static int venc_s_std_output(struct v4l2_subdev *sd, v4l2_std_id norm)
 	return -EINVAL;
 }
 
-static int venc_s_dv_preset(struct v4l2_subdev *sd,
-			    struct v4l2_dv_preset *dv_preset)
+static int venc_s_dv_timings(struct v4l2_subdev *sd,
+			    struct v4l2_dv_timings *dv_timings)
 {
 	struct venc_state *venc = to_state(sd);
+	u32 height = dv_timings->bt.height;
 	int ret;
 
-	v4l2_dbg(debug, 1, sd, "venc_s_dv_preset\n");
+	v4l2_dbg(debug, 1, sd, "venc_s_dv_timings\n");
 
-	if (dv_preset->preset == V4L2_DV_576P50)
+	if (height == 576)
 		return venc_set_576p50(sd);
-	else if (dv_preset->preset == V4L2_DV_480P59_94)
+	else if (height == 480)
 		return venc_set_480p59_94(sd);
-	else if ((dv_preset->preset == V4L2_DV_720P60) &&
+	else if ((height == 720) &&
 			(venc->pdata->venc_type == VPBE_VERSION_2)) {
 		/* TBD setup internal 720p mode here */
 		ret = venc_set_720p60_internal(sd);
 		/* for DM365 VPBE, there is DAC inside */
 		vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
 		return ret;
-	} else if ((dv_preset->preset == V4L2_DV_1080I30) &&
+	} else if ((height == 1080) &&
 		(venc->pdata->venc_type == VPBE_VERSION_2)) {
 		/* TBD setup internal 1080i mode here */
 		ret = venc_set_1080i30_internal(sd);
@@ -518,7 +519,7 @@ static const struct v4l2_subdev_core_ops venc_core_ops = {
 static const struct v4l2_subdev_video_ops venc_video_ops = {
 	.s_routing = venc_s_routing,
 	.s_std_output = venc_s_std_output,
-	.s_dv_preset = venc_s_dv_preset,
+	.s_dv_timings = venc_s_dv_timings,
 };
 
 static const struct v4l2_subdev_ops venc_ops = {
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index 48052cbffc2..8be492cd8ed 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -1669,6 +1669,7 @@ static int vpfe_s_crop(struct file *file, void *priv,
 			     const struct v4l2_crop *crop)
 {
 	struct vpfe_device *vpfe_dev = video_drvdata(file);
+	struct v4l2_rect rect = crop->c;
 	int ret = 0;
 
 	v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_crop\n");
@@ -1684,7 +1685,7 @@ static int vpfe_s_crop(struct file *file, void *priv,
 	if (ret)
 		return ret;
 
-	if (crop->c.top < 0 || crop->c.left < 0) {
+	if (rect.top < 0 || rect.left < 0) {
 		v4l2_err(&vpfe_dev->v4l2_dev,
 			"doesn't support negative values for top & left\n");
 		ret = -EINVAL;
@@ -1692,26 +1693,26 @@ static int vpfe_s_crop(struct file *file, void *priv,
 	}
 
 	/* adjust the width to 16 pixel boundary */
-	crop->c.width = ((crop->c.width + 15) & ~0xf);
+	rect.width = ((rect.width + 15) & ~0xf);
 
 	/* make sure parameters are valid */
-	if ((crop->c.left + crop->c.width >
+	if ((rect.left + rect.width >
 		vpfe_dev->std_info.active_pixels) ||
-	    (crop->c.top + crop->c.height >
+	    (rect.top + rect.height >
 		vpfe_dev->std_info.active_lines)) {
 		v4l2_err(&vpfe_dev->v4l2_dev, "Error in S_CROP params\n");
 		ret = -EINVAL;
 		goto unlock_out;
 	}
-	ccdc_dev->hw_ops.set_image_window(&crop->c);
-	vpfe_dev->fmt.fmt.pix.width = crop->c.width;
-	vpfe_dev->fmt.fmt.pix.height = crop->c.height;
+	ccdc_dev->hw_ops.set_image_window(&rect);
+	vpfe_dev->fmt.fmt.pix.width = rect.width;
+	vpfe_dev->fmt.fmt.pix.height = rect.height;
 	vpfe_dev->fmt.fmt.pix.bytesperline =
 		ccdc_dev->hw_ops.get_line_length();
 	vpfe_dev->fmt.fmt.pix.sizeimage =
 		vpfe_dev->fmt.fmt.pix.bytesperline *
 		vpfe_dev->fmt.fmt.pix.height;
-	vpfe_dev->crop = crop->c;
+	vpfe_dev->crop = rect;
 unlock_out:
 	mutex_unlock(&vpfe_dev->lock);
 	return ret;
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index 0bafecac492..fcabc023885 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -311,12 +311,13 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
 	}
 
 	/* configure 1 or 2 channel mode */
-	ret = vpif_config_data->setup_input_channel_mode
-					(vpif->std_info.ycmux_mode);
-
-	if (ret < 0) {
-		vpif_dbg(1, debug, "can't set vpif channel mode\n");
-		return ret;
+	if (vpif_config_data->setup_input_channel_mode) {
+		ret = vpif_config_data->
+			setup_input_channel_mode(vpif->std_info.ycmux_mode);
+		if (ret < 0) {
+			vpif_dbg(1, debug, "can't set vpif channel mode\n");
+			return ret;
+		}
 	}
 
 	/* Call vpif_set_params function to set the parameters and addresses */
@@ -863,13 +864,11 @@ static unsigned int vpif_poll(struct file *filep, poll_table * wait)
  */
 static int vpif_open(struct file *filep)
 {
-	struct vpif_capture_config *config = vpif_dev->platform_data;
 	struct video_device *vdev = video_devdata(filep);
 	struct common_obj *common;
 	struct video_obj *vid_ch;
 	struct channel_obj *ch;
 	struct vpif_fh *fh;
-	int i;
 
 	vpif_dbg(2, debug, "vpif_open\n");
 
@@ -878,26 +877,6 @@ static int vpif_open(struct file *filep)
 	vid_ch = &ch->video;
 	common = &ch->common[VPIF_VIDEO_INDEX];
 
-	if (NULL == ch->curr_subdev_info) {
-		/**
-		 * search through the sub device to see a registered
-		 * sub device and make it as current sub device
-		 */
-		for (i = 0; i < config->subdev_count; i++) {
-			if (vpif_obj.sd[i]) {
-				/* the sub device is registered */
-				ch->curr_subdev_info = &config->subdev_info[i];
-				/* make first input as the current input */
-				vid_ch->input_idx = 0;
-				break;
-			}
-		}
-		if (i == config->subdev_count) {
-			vpif_err("No sub device registered\n");
-			return -ENOENT;
-		}
-	}
-
 	/* Allocate memory for the file handle object */
 	fh = kzalloc(sizeof(struct vpif_fh), GFP_KERNEL);
 	if (NULL == fh) {
@@ -997,6 +976,7 @@ static int vpif_reqbufs(struct file *file, void *priv,
 	struct common_obj *common;
 	u8 index = 0;
 	struct vb2_queue *q;
+	int ret;
 
 	vpif_dbg(2, debug, "vpif_reqbufs\n");
 
@@ -1036,8 +1016,12 @@ static int vpif_reqbufs(struct file *file, void *priv,
 	q->mem_ops = &vb2_dma_contig_memops;
 	q->buf_struct_size = sizeof(struct vpif_cap_buffer);
 
-	vb2_queue_init(q);
-
+	ret = vb2_queue_init(q);
+	if (ret) {
+		vpif_err("vpif_capture: vb2_queue_init() failed\n");
+		vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
+		return ret;
+	}
 	/* Set io allowed member of file handle to TRUE */
 	fh->io_allowed[index] = 1;
 	/* Increment io usrs member of channel object to 1 */
@@ -1175,10 +1159,9 @@ static int vpif_streamon(struct file *file, void *priv,
 		return ret;
 
 	/* Enable streamon on the sub device */
-	ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], video,
-				s_stream, 1);
+	ret = v4l2_subdev_call(ch->sd, video, s_stream, 1);
 
-	if (ret && (ret != -ENOIOCTLCMD)) {
+	if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) {
 		vpif_dbg(1, debug, "stream on failed in subdev\n");
 		return ret;
 	}
@@ -1238,73 +1221,105 @@ static int vpif_streamoff(struct file *file, void *priv,
 
 	common->started = 0;
 
-	ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], video,
-				s_stream, 0);
+	ret = v4l2_subdev_call(ch->sd, video, s_stream, 0);
 
-	if (ret && (ret != -ENOIOCTLCMD))
+	if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV)
 		vpif_dbg(1, debug, "stream off failed in subdev\n");
 
 	return vb2_streamoff(&common->buffer_queue, buftype);
 }
 
 /**
- * vpif_map_sub_device_to_input() - Maps sub device to input
- * @ch - ptr to channel
- * @config - ptr to capture configuration
+ * vpif_input_to_subdev() - Maps input to sub device
+ * @vpif_cfg - global config ptr
+ * @chan_cfg - channel config ptr
  * @input_index - Given input index from application
- * @sub_device_index - index into sd table
  *
  * lookup the sub device information for a given input index.
  * we report all the inputs to application. inputs table also
  * has sub device name for the each input
  */
-static struct vpif_subdev_info *vpif_map_sub_device_to_input(
-				struct channel_obj *ch,
-				struct vpif_capture_config *vpif_cfg,
-				int input_index,
-				int *sub_device_index)
+static int vpif_input_to_subdev(
+		struct vpif_capture_config *vpif_cfg,
+		struct vpif_capture_chan_config *chan_cfg,
+		int input_index)
 {
-	struct vpif_capture_chan_config *chan_cfg;
-	struct vpif_subdev_info *subdev_info = NULL;
-	const char *subdev_name = NULL;
+	struct vpif_subdev_info *subdev_info;
+	const char *subdev_name;
 	int i;
 
-	vpif_dbg(2, debug, "vpif_map_sub_device_to_input\n");
+	vpif_dbg(2, debug, "vpif_input_to_subdev\n");
 
-	chan_cfg = &vpif_cfg->chan_config[ch->channel_id];
-
-	/**
-	 * search through the inputs to find the sub device supporting
-	 * the input
-	 */
-	for (i = 0; i < chan_cfg->input_count; i++) {
-		/* For each sub device, loop through input */
-		if (i == input_index) {
-			subdev_name = chan_cfg->inputs[i].subdev_name;
-			break;
-		}
-	}
-
-	/* if reached maximum. return null */
-	if (i == chan_cfg->input_count || (NULL == subdev_name))
-		return subdev_info;
+	subdev_name = chan_cfg->inputs[input_index].subdev_name;
+	if (subdev_name == NULL)
+		return -1;
 
 	/* loop through the sub device list to get the sub device info */
 	for (i = 0; i < vpif_cfg->subdev_count; i++) {
 		subdev_info = &vpif_cfg->subdev_info[i];
 		if (!strcmp(subdev_info->name, subdev_name))
-			break;
+			return i;
+	}
+	return -1;
+}
+
+/**
+ * vpif_set_input() - Select an input
+ * @vpif_cfg - global config ptr
+ * @ch - channel
+ * @_index - Given input index from application
+ *
+ * Select the given input.
+ */
+static int vpif_set_input(
+		struct vpif_capture_config *vpif_cfg,
+		struct channel_obj *ch,
+		int index)
+{
+	struct vpif_capture_chan_config *chan_cfg =
+			&vpif_cfg->chan_config[ch->channel_id];
+	struct vpif_subdev_info *subdev_info = NULL;
+	struct v4l2_subdev *sd = NULL;
+	u32 input = 0, output = 0;
+	int sd_index;
+	int ret;
+
+	sd_index = vpif_input_to_subdev(vpif_cfg, chan_cfg, index);
+	if (sd_index >= 0) {
+		sd = vpif_obj.sd[sd_index];
+		subdev_info = &vpif_cfg->subdev_info[sd_index];
 	}
 
-	if (i == vpif_cfg->subdev_count)
-		return subdev_info;
+	/* first setup input path from sub device to vpif */
+	if (sd && vpif_cfg->setup_input_path) {
+		ret = vpif_cfg->setup_input_path(ch->channel_id,
+				       subdev_info->name);
+		if (ret < 0) {
+			vpif_dbg(1, debug, "couldn't setup input path for the" \
+			" sub device %s, for input index %d\n",
+			subdev_info->name, index);
+			return ret;
+		}
+	}
 
-	/* check if the sub device is registered */
-	if (NULL == vpif_obj.sd[i])
-		return NULL;
+	if (sd) {
+		input = chan_cfg->inputs[index].input_route;
+		output = chan_cfg->inputs[index].output_route;
+		ret = v4l2_subdev_call(sd, video, s_routing,
+				input, output, 0);
+		if (ret < 0 && ret != -ENOIOCTLCMD) {
+			vpif_dbg(1, debug, "Failed to set input\n");
+			return ret;
+		}
+	}
+	ch->input_idx = index;
+	ch->sd = sd;
+	/* copy interface parameters to vpif */
+	ch->vpifparams.iface = chan_cfg->vpif_if;
 
-	*sub_device_index = i;
-	return subdev_info;
+	/* update tvnorms from the sub device input info */
+	ch->video_dev->tvnorms = chan_cfg->inputs[index].input.std;
+	return 0;
 }
 
 /**
@@ -1324,12 +1339,16 @@ static int vpif_querystd(struct file *file, void *priv, v4l2_std_id *std_id)
 	vpif_dbg(2, debug, "vpif_querystd\n");
 
 	/* Call querystd function of decoder device */
-	ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], video,
-				querystd, std_id);
-	if (ret < 0)
-		vpif_dbg(1, debug, "Failed to set standard for sub devices\n");
+	ret = v4l2_subdev_call(ch->sd, video, querystd, std_id);
 
-	return ret;
+	if (ret == -ENOIOCTLCMD || ret == -ENODEV)
+		return -ENODATA;
+	if (ret) {
+		vpif_dbg(1, debug, "Failed to query standard for sub devices\n");
+		return ret;
+	}
+
+	return 0;
 }
 
 /**
@@ -1397,11 +1416,12 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
 	vpif_config_format(ch);
 
 	/* set standard in the sub device */
-	ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], core,
-				s_std, *std_id);
-	if (ret < 0)
+	ret = v4l2_subdev_call(ch->sd, core, s_std, *std_id);
+	if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) {
 		vpif_dbg(1, debug, "Failed to set standard for sub devices\n");
-	return ret;
+		return ret;
+	}
+	return 0;
 }
 
 /**
@@ -1441,10 +1461,8 @@ static int vpif_g_input(struct file *file, void *priv, unsigned int *index)
 {
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
-	struct video_obj *vid_ch = &ch->video;
-
-	*index = vid_ch->input_idx;
 
+	*index = ch->input_idx;
 	return 0;
 }
 
@@ -1461,13 +1479,13 @@ static int vpif_s_input(struct file *file, void *priv, unsigned int index)
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
 	struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
-	struct video_obj *vid_ch = &ch->video;
-	struct vpif_subdev_info *subdev_info;
-	int ret = 0, sd_index = 0;
-	u32 input = 0, output = 0;
+	int ret;
 
 	chan_cfg = &config->chan_config[ch->channel_id];
 
+	if (index >= chan_cfg->input_count)
+		return -EINVAL;
+
 	if (common->started) {
 		vpif_err("Streaming in progress\n");
 		return -EBUSY;
@@ -1486,45 +1504,7 @@ static int vpif_s_input(struct file *file, void *priv, unsigned int index)
 		return ret;
 
 	fh->initialized = 1;
-	subdev_info = vpif_map_sub_device_to_input(ch, config, index,
-						   &sd_index);
-	if (NULL == subdev_info) {
-		vpif_dbg(1, debug,
-			"couldn't lookup sub device for the input index\n");
-		return -EINVAL;
-	}
-
-	/* first setup input path from sub device to vpif */
-	if (config->setup_input_path) {
-		ret = config->setup_input_path(ch->channel_id,
-					       subdev_info->name);
-		if (ret < 0) {
-			vpif_dbg(1, debug, "couldn't setup input path for the"
-				" sub device %s, for input index %d\n",
-				subdev_info->name, index);
-			return ret;
-		}
-	}
-
-	if (subdev_info->can_route) {
-		input = subdev_info->input;
-		output = subdev_info->output;
-		ret = v4l2_subdev_call(vpif_obj.sd[sd_index], video, s_routing,
-					input, output, 0);
-		if (ret < 0) {
-			vpif_dbg(1, debug, "Failed to set input\n");
-			return ret;
-		}
-	}
-	vid_ch->input_idx = index;
-	ch->curr_subdev_info = subdev_info;
-	ch->curr_sd_index = sd_index;
-	/* copy interface parameters to vpif */
-	ch->vpifparams.iface = subdev_info->vpif_if;
-
-	/* update tvnorms from the sub device input info */
-	ch->video_dev->tvnorms = chan_cfg->inputs[index].input.std;
-	return ret;
+	return vpif_set_input(config, ch, index);
 }
 
 /**
@@ -1655,9 +1635,11 @@ static int vpif_querycap(struct file *file, void  *priv,
 {
 	struct vpif_capture_config *config = vpif_dev->platform_data;
 
-	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
-	strlcpy(cap->driver, "vpif capture", sizeof(cap->driver));
-	strlcpy(cap->bus_info, "VPIF Platform", sizeof(cap->bus_info));
+	cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
+	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+	snprintf(cap->driver, sizeof(cap->driver), "%s", dev_name(vpif_dev));
+	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
+		 dev_name(vpif_dev));
 	strlcpy(cap->card, config->card_name, sizeof(cap->card));
 
 	return 0;
@@ -1730,9 +1712,12 @@ vpif_enum_dv_timings(struct file *file, void *priv,
 {
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
+	int ret;
 
-	return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
-				video, enum_dv_timings, timings);
+	ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings);
+	if (ret == -ENOIOCTLCMD && ret == -ENODEV)
+		return -EINVAL;
+	return ret;
 }
 
 /**
@@ -1747,9 +1732,12 @@ vpif_query_dv_timings(struct file *file, void *priv,
 {
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
+	int ret;
 
-	return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
-				video, query_dv_timings, timings);
+	ret = v4l2_subdev_call(ch->sd, video, query_dv_timings, timings);
+	if (ret == -ENOIOCTLCMD && ret == -ENODEV)
+		return -ENODATA;
+	return ret;
 }
 
 /**
@@ -1775,13 +1763,9 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 	}
 
 	/* Configure subdevice timings, if any */
-	ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
-			video, s_dv_timings, timings);
-	if (ret == -ENOIOCTLCMD) {
-		vpif_dbg(2, debug, "Custom DV timings not supported by "
-				"subdevice\n");
-		return -EINVAL;
-	}
+	ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings);
+	if (ret == -ENOIOCTLCMD || ret == -ENODEV)
+		ret = 0;
 	if (ret < 0) {
 		vpif_dbg(2, debug, "Error setting custom DV timings\n");
 		return ret;
@@ -1906,8 +1890,7 @@ static int vpif_dbg_g_register(struct file *file, void *priv,
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
 
-	return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], core,
-			g_register, reg);
+	return v4l2_subdev_call(ch->sd, core, g_register, reg);
 }
 
 /*
@@ -1924,8 +1907,7 @@ static int vpif_dbg_s_register(struct file *file, void *priv,
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
 
-	return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], core,
-			s_register, reg);
+	return v4l2_subdev_call(ch->sd, core, s_register, reg);
 }
 #endif
 
@@ -2063,7 +2045,8 @@ static __init int vpif_probe(struct platform_device *pdev)
 {
 	struct vpif_subdev_info *subdevdata;
 	struct vpif_capture_config *config;
-	int i, j, k, m, q, err;
+	int i, j, k, err;
+	int res_idx = 0;
 	struct i2c_adapter *i2c_adap;
 	struct channel_obj *ch;
 	struct common_obj *common;
@@ -2086,18 +2069,19 @@ static __init int vpif_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	k = 0;
-	while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, k))) {
+	while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) {
 		for (i = res->start; i <= res->end; i++) {
 			if (request_irq(i, vpif_channel_isr, IRQF_SHARED,
-					"VPIF_Capture",
-				(void *)(&vpif_obj.dev[k]->channel_id))) {
+					"VPIF_Capture", (void *)
+					(&vpif_obj.dev[res_idx]->channel_id))) {
 				err = -EBUSY;
-				i--;
+				for (j = 0; j < i; j++)
+					free_irq(j, (void *)
+					(&vpif_obj.dev[res_idx]->channel_id));
 				goto vpif_int_err;
 			}
 		}
-		k++;
+		res_idx++;
 	}
 
 	for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
@@ -2111,7 +2095,7 @@ static __init int vpif_probe(struct platform_device *pdev)
 				video_device_release(ch->video_dev);
 			}
 			err = -ENOMEM;
-			goto vpif_dev_alloc_err;
+			goto vpif_int_err;
 		}
 
 		/* Initialize field of video device */
@@ -2142,24 +2126,6 @@ static __init int vpif_probe(struct platform_device *pdev)
 		}
 	}
 
-	for (j = 0; j < VPIF_CAPTURE_MAX_DEVICES; j++) {
-		ch = vpif_obj.dev[j];
-		ch->channel_id = j;
-		common = &(ch->common[VPIF_VIDEO_INDEX]);
-		spin_lock_init(&common->irqlock);
-		mutex_init(&common->lock);
-		ch->video_dev->lock = &common->lock;
-		/* Initialize prio member of channel object */
-		v4l2_prio_init(&ch->prio);
-		err = video_register_device(ch->video_dev,
-					    VFL_TYPE_GRABBER, (j ? 1 : 0));
-		if (err)
-			goto probe_out;
-
-		video_set_drvdata(ch->video_dev, ch);
-
-	}
-
 	i2c_adap = i2c_get_adapter(1);
 	config = pdev->dev.platform_data;
 
@@ -2169,7 +2135,7 @@ static __init int vpif_probe(struct platform_device *pdev)
 	if (vpif_obj.sd == NULL) {
 		vpif_err("unable to allocate memory for subdevice pointers\n");
 		err = -ENOMEM;
-		goto probe_out;
+		goto vpif_sd_error;
 	}
 
 	for (i = 0; i < subdev_count; i++) {
@@ -2186,19 +2152,32 @@ static __init int vpif_probe(struct platform_device *pdev)
 		}
 		v4l2_info(&vpif_obj.v4l2_dev, "registered sub device %s\n",
 			  subdevdata->name);
-
-		if (vpif_obj.sd[i])
-			vpif_obj.sd[i]->grp_id = 1 << i;
 	}
 
+	for (j = 0; j < VPIF_CAPTURE_MAX_DEVICES; j++) {
+		ch = vpif_obj.dev[j];
+		ch->channel_id = j;
+		common = &(ch->common[VPIF_VIDEO_INDEX]);
+		spin_lock_init(&common->irqlock);
+		mutex_init(&common->lock);
+		ch->video_dev->lock = &common->lock;
+		/* Initialize prio member of channel object */
+		v4l2_prio_init(&ch->prio);
+		video_set_drvdata(ch->video_dev, ch);
+
+		/* select input 0 */
+		err = vpif_set_input(config, ch, 0);
+		if (err)
+			goto probe_out;
+
+		err = video_register_device(ch->video_dev,
+					    VFL_TYPE_GRABBER, (j ? 1 : 0));
+		if (err)
+			goto probe_out;
+	}
 	v4l2_info(&vpif_obj.v4l2_dev, "VPIF capture driver initialized\n");
 	return 0;
 
-probe_subdev_out:
-	/* free sub devices memory */
-	kfree(vpif_obj.sd);
-
-	j = VPIF_CAPTURE_MAX_DEVICES;
 probe_out:
 	for (k = 0; k < j; k++) {
 		/* Get the pointer to the channel object */
@@ -2206,22 +2185,23 @@ probe_out:
 		/* Unregister video device */
 		video_unregister_device(ch->video_dev);
 	}
+probe_subdev_out:
+	/* free sub devices memory */
+	kfree(vpif_obj.sd);
 
-vpif_dev_alloc_err:
-	k = VPIF_CAPTURE_MAX_DEVICES-1;
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, k);
-	i = res->end;
-
-vpif_int_err:
-	for (q = k; q >= 0; q--) {
-		for (m = i; m >= (int)res->start; m--)
-			free_irq(m, (void *)(&vpif_obj.dev[q]->channel_id));
-
-		res = platform_get_resource(pdev, IORESOURCE_IRQ, q-1);
-		if (res)
-			i = res->end;
+vpif_sd_error:
+	for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
+		ch = vpif_obj.dev[i];
+		/* Note: does nothing if ch->video_dev == NULL */
+		video_device_release(ch->video_dev);
 	}
+vpif_int_err:
 	v4l2_device_unregister(&vpif_obj.v4l2_dev);
+	for (i = 0; i < res_idx; i++) {
+		res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
+		for (j = res->start; j <= res->end; j++)
+			free_irq(j, (void *)(&vpif_obj.dev[i]->channel_id));
+	}
 	return err;
 }
 
diff --git a/drivers/media/platform/davinci/vpif_capture.h b/drivers/media/platform/davinci/vpif_capture.h
index d24efc17e4c..3d3c1e5cd5d 100644
--- a/drivers/media/platform/davinci/vpif_capture.h
+++ b/drivers/media/platform/davinci/vpif_capture.h
@@ -54,8 +54,6 @@ struct video_obj {
 	/* Currently selected or default standard */
 	v4l2_std_id stdid;
 	struct v4l2_dv_timings dv_timings;
-	/* This is to track the last input that is passed to application */
-	u32 input_idx;
 };
 
 struct vpif_cap_buffer {
@@ -119,10 +117,10 @@ struct channel_obj {
 	u8 initialized;
 	/* Identifies channel */
 	enum vpif_channel_id channel_id;
-	/* index into sd table */
-	int curr_sd_index;
-	/* ptr to current sub device information */
-	struct vpif_subdev_info *curr_subdev_info;
+	/* Current input */
+	u32 input_idx;
+	/* subdev corresponding to the current input, may be NULL */
+	struct v4l2_subdev *sd;
 	/* vpif configuration params */
 	struct vpif_params vpifparams;
 	/* common object array */
@@ -159,10 +157,6 @@ struct vpif_config_params {
 	u32 video_limit[VPIF_CAPTURE_NUM_CHANNELS];
 	u8 max_device_type;
 };
-/* Struct which keeps track of the line numbers for the sliced vbi service */
-struct vpif_service_line {
-	u16 service_id;
-	u16 service_line[2];
-};
+
 #endif				/* End of __KERNEL__ */
 #endif				/* VPIF_CAPTURE_H */
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index a5b88689aba..b716fbd4241 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -280,12 +280,13 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
 	}
 
 	/* clock settings */
-	ret =
-	    vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode,
-					ch->vpifparams.std_info.hd_sd);
-	if (ret < 0) {
-		vpif_err("can't set clock\n");
-		return ret;
+	if (vpif_config_data->set_clock) {
+		ret = vpif_config_data->set_clock(ch->vpifparams.std_info.
+		ycmux_mode, ch->vpifparams.std_info.hd_sd);
+		if (ret < 0) {
+			vpif_err("can't set clock\n");
+			return ret;
+		}
 	}
 
 	/* set the parameters and addresses */
@@ -307,7 +308,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
 		channel2_intr_assert();
 		channel2_intr_enable(1);
 		enable_channel2(1);
-		if (vpif_config_data->ch2_clip_en)
+		if (vpif_config_data->chan_config[VPIF_CHANNEL2_VIDEO].clip_en)
 			channel2_clipping_enable(1);
 	}
 
@@ -316,7 +317,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
 		channel3_intr_assert();
 		channel3_intr_enable(1);
 		enable_channel3(1);
-		if (vpif_config_data->ch3_clip_en)
+		if (vpif_config_data->chan_config[VPIF_CHANNEL3_VIDEO].clip_en)
 			channel3_clipping_enable(1);
 	}
 
@@ -826,9 +827,11 @@ static int vpif_querycap(struct file *file, void  *priv,
 {
 	struct vpif_display_config *config = vpif_dev->platform_data;
 
-	cap->capabilities = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
-	strlcpy(cap->driver, "vpif display", sizeof(cap->driver));
-	strlcpy(cap->bus_info, "Platform", sizeof(cap->bus_info));
+	cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
+	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+	snprintf(cap->driver, sizeof(cap->driver), "%s", dev_name(vpif_dev));
+	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
+		 dev_name(vpif_dev));
 	strlcpy(cap->card, config->card_name, sizeof(cap->card));
 
 	return 0;
@@ -935,6 +938,7 @@ static int vpif_reqbufs(struct file *file, void *priv,
 	enum v4l2_field field;
 	struct vb2_queue *q;
 	u8 index = 0;
+	int ret;
 
 	/* This file handle has not initialized the channel,
 	   It is not allowed to do settings */
@@ -980,8 +984,12 @@ static int vpif_reqbufs(struct file *file, void *priv,
 	q->mem_ops = &vb2_dma_contig_memops;
 	q->buf_struct_size = sizeof(struct vpif_disp_buffer);
 
-	vb2_queue_init(q);
-
+	ret = vb2_queue_init(q);
+	if (ret) {
+		vpif_err("vpif_display: vb2_queue_init() failed\n");
+		vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
+		return ret;
+	}
 	/* Set io allowed member of file handle to TRUE */
 	fh->io_allowed[index] = 1;
 	/* Increment io usrs member of channel object to 1 */
@@ -1173,14 +1181,16 @@ static int vpif_streamoff(struct file *file, void *priv,
 	if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
 		/* disable channel */
 		if (VPIF_CHANNEL2_VIDEO == ch->channel_id) {
-			if (vpif_config_data->ch2_clip_en)
+			if (vpif_config_data->
+				chan_config[VPIF_CHANNEL2_VIDEO].clip_en)
 				channel2_clipping_enable(0);
 			enable_channel2(0);
 			channel2_intr_enable(0);
 		}
 		if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) ||
 					(2 == common->started)) {
-			if (vpif_config_data->ch3_clip_en)
+			if (vpif_config_data->
+				chan_config[VPIF_CHANNEL3_VIDEO].clip_en)
 				channel3_clipping_enable(0);
 			enable_channel3(0);
 			channel3_intr_enable(0);
@@ -1213,49 +1223,126 @@ static int vpif_enum_output(struct file *file, void *fh,
 {
 
 	struct vpif_display_config *config = vpif_dev->platform_data;
+	struct vpif_display_chan_config *chan_cfg;
+	struct vpif_fh *vpif_handler = fh;
+	struct channel_obj *ch = vpif_handler->channel;
 
-	if (output->index >= config->output_count) {
+	chan_cfg = &config->chan_config[ch->channel_id];
+	if (output->index >= chan_cfg->output_count) {
 		vpif_dbg(1, debug, "Invalid output index\n");
 		return -EINVAL;
 	}
 
-	strcpy(output->name, config->output[output->index]);
-	output->type = V4L2_OUTPUT_TYPE_ANALOG;
-	output->std = VPIF_V4L2_STD;
+	*output = chan_cfg->outputs[output->index].output;
+	return 0;
+}
+
+/**
+ * vpif_output_to_subdev() - Maps output to sub device
+ * @vpif_cfg - global config ptr
+ * @chan_cfg - channel config ptr
+ * @index - Given output index from application
+ *
+ * lookup the sub device information for a given output index.
+ * we report all the output to application. output table also
+ * has sub device name for the each output
+ */
+static int
+vpif_output_to_subdev(struct vpif_display_config *vpif_cfg,
+		      struct vpif_display_chan_config *chan_cfg, int index)
+{
+	struct vpif_subdev_info *subdev_info;
+	const char *subdev_name;
+	int i;
+
+	vpif_dbg(2, debug, "vpif_output_to_subdev\n");
+
+	if (chan_cfg->outputs == NULL)
+		return -1;
+
+	subdev_name = chan_cfg->outputs[index].subdev_name;
+	if (subdev_name == NULL)
+		return -1;
+
+	/* loop through the sub device list to get the sub device info */
+	for (i = 0; i < vpif_cfg->subdev_count; i++) {
+		subdev_info = &vpif_cfg->subdevinfo[i];
+		if (!strcmp(subdev_info->name, subdev_name))
+			return i;
+	}
+	return -1;
+}
+
+/**
+ * vpif_set_output() - Select an output
+ * @vpif_cfg - global config ptr
+ * @ch - channel
+ * @index - Given output index from application
+ *
+ * Select the given output.
+ */
+static int vpif_set_output(struct vpif_display_config *vpif_cfg,
+		      struct channel_obj *ch, int index)
+{
+	struct vpif_display_chan_config *chan_cfg =
+		&vpif_cfg->chan_config[ch->channel_id];
+	struct vpif_subdev_info *subdev_info = NULL;
+	struct v4l2_subdev *sd = NULL;
+	u32 input = 0, output = 0;
+	int sd_index;
+	int ret;
+
+	sd_index = vpif_output_to_subdev(vpif_cfg, chan_cfg, index);
+	if (sd_index >= 0) {
+		sd = vpif_obj.sd[sd_index];
+		subdev_info = &vpif_cfg->subdevinfo[sd_index];
+	}
+
+	if (sd) {
+		input = chan_cfg->outputs[index].input_route;
+		output = chan_cfg->outputs[index].output_route;
+		ret = v4l2_subdev_call(sd, video, s_routing, input, output, 0);
+		if (ret < 0 && ret != -ENOIOCTLCMD) {
+			vpif_err("Failed to set output\n");
+			return ret;
+		}
 
+	}
+	ch->output_idx = index;
+	ch->sd = sd;
+	if (chan_cfg->outputs != NULL)
+		/* update tvnorms from the sub device output info */
+		ch->video_dev->tvnorms = chan_cfg->outputs[index].output.std;
 	return 0;
 }
 
 static int vpif_s_output(struct file *file, void *priv, unsigned int i)
 {
+	struct vpif_display_config *config = vpif_dev->platform_data;
+	struct vpif_display_chan_config *chan_cfg;
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
-	struct video_obj *vid_ch = &ch->video;
 	struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
-	int ret = 0;
+
+	chan_cfg = &config->chan_config[ch->channel_id];
+
+	if (i >= chan_cfg->output_count)
+		return -EINVAL;
 
 	if (common->started) {
 		vpif_err("Streaming in progress\n");
 		return -EBUSY;
 	}
 
-	ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video,
-							s_routing, 0, i, 0);
-
-	if (ret < 0)
-		vpif_err("Failed to set output standard\n");
-
-	vid_ch->output_id = i;
-	return ret;
+	return vpif_set_output(config, ch, i);
 }
 
 static int vpif_g_output(struct file *file, void *priv, unsigned int *i)
 {
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
-	struct video_obj *vid_ch = &ch->video;
 
-	*i = vid_ch->output_id;
+	*i = ch->output_idx;
 
 	return 0;
 }
@@ -1290,10 +1377,12 @@ vpif_enum_dv_timings(struct file *file, void *priv,
 {
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
-	struct video_obj *vid_ch = &ch->video;
+	int ret;
 
-	return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id],
-			video, enum_dv_timings, timings);
+	ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings);
+	if (ret == -ENOIOCTLCMD && ret == -ENODEV)
+		return -EINVAL;
+	return ret;
 }
 
 /**
@@ -1319,13 +1408,9 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
 	}
 
 	/* Configure subdevice timings, if any */
-	ret = v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id],
-			video, s_dv_timings, timings);
-	if (ret == -ENOIOCTLCMD) {
-		vpif_dbg(2, debug, "Custom DV timings not supported by "
-				"subdevice\n");
-		return -EINVAL;
-	}
+	ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings);
+	if (ret == -ENOIOCTLCMD || ret == -ENODEV)
+		ret = 0;
 	if (ret < 0) {
 		vpif_dbg(2, debug, "Error setting custom DV timings\n");
 		return ret;
@@ -1450,10 +1535,8 @@ static int vpif_dbg_g_register(struct file *file, void *priv,
 		struct v4l2_dbg_register *reg){
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
-	struct video_obj *vid_ch = &ch->video;
 
-	return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], core,
-			g_register, reg);
+	return v4l2_subdev_call(ch->sd, core, g_register, reg);
 }
 
 /*
@@ -1469,10 +1552,8 @@ static int vpif_dbg_s_register(struct file *file, void *priv,
 		struct v4l2_dbg_register *reg){
 	struct vpif_fh *fh = priv;
 	struct channel_obj *ch = fh->channel;
-	struct video_obj *vid_ch = &ch->video;
 
-	return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], core,
-			s_register, reg);
+	return v4l2_subdev_call(ch->sd, core, s_register, reg);
 }
 #endif
 
@@ -1536,9 +1617,6 @@ static struct video_device vpif_video_template = {
 	.name		= "vpif",
 	.fops		= &vpif_fops,
 	.ioctl_ops	= &vpif_ioctl_ops,
-	.tvnorms	= VPIF_V4L2_STD,
-	.current_norm	= V4L2_STD_625_50,
-
 };
 
 /*Configure the channels, buffer sizei, request irq */
@@ -1611,7 +1689,8 @@ static __init int vpif_probe(struct platform_device *pdev)
 {
 	struct vpif_subdev_info *subdevdata;
 	struct vpif_display_config *config;
-	int i, j = 0, k, q, m, err = 0;
+	int i, j = 0, k, err = 0;
+	int res_idx = 0;
 	struct i2c_adapter *i2c_adap;
 	struct common_obj *common;
 	struct channel_obj *ch;
@@ -1634,21 +1713,22 @@ static __init int vpif_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	k = 0;
-	while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, k))) {
+	while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) {
 		for (i = res->start; i <= res->end; i++) {
 			if (request_irq(i, vpif_channel_isr, IRQF_SHARED,
-					"VPIF_Display",
-				(void *)(&vpif_obj.dev[k]->channel_id))) {
+					"VPIF_Display", (void *)
+					(&vpif_obj.dev[res_idx]->channel_id))) {
 				err = -EBUSY;
+				for (j = 0; j < i; j++)
+					free_irq(j, (void *)
+					(&vpif_obj.dev[res_idx]->channel_id));
 				goto vpif_int_err;
 			}
 		}
-		k++;
+		res_idx++;
 	}
 
 	for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
-
 		/* Get the pointer to the channel object */
 		ch = vpif_obj.dev[i];
 
@@ -1694,6 +1774,32 @@ static __init int vpif_probe(struct platform_device *pdev)
 		}
 	}
 
+	i2c_adap = i2c_get_adapter(1);
+	config = pdev->dev.platform_data;
+	subdev_count = config->subdev_count;
+	subdevdata = config->subdevinfo;
+	vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count,
+								GFP_KERNEL);
+	if (vpif_obj.sd == NULL) {
+		vpif_err("unable to allocate memory for subdevice pointers\n");
+		err = -ENOMEM;
+		goto vpif_sd_error;
+	}
+
+	for (i = 0; i < subdev_count; i++) {
+		vpif_obj.sd[i] = v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev,
+						i2c_adap,
+						&subdevdata[i].board_info,
+						NULL);
+		if (!vpif_obj.sd[i]) {
+			vpif_err("Error registering v4l2 subdevice\n");
+			goto probe_subdev_out;
+		}
+
+		if (vpif_obj.sd[i])
+			vpif_obj.sd[i]->grp_id = 1 << i;
+	}
+
 	for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) {
 		ch = vpif_obj.dev[j];
 		/* Initialize field of the channel objects */
@@ -1715,6 +1821,8 @@ static __init int vpif_probe(struct platform_device *pdev)
 
 		}
 		ch->initialized = 0;
+		if (subdev_count)
+			ch->sd = vpif_obj.sd[0];
 		ch->channel_id = j;
 		if (j < 2)
 			ch->common[VPIF_VIDEO_INDEX].numbuffers =
@@ -1729,6 +1837,12 @@ static __init int vpif_probe(struct platform_device *pdev)
 		ch->common[VPIF_VIDEO_INDEX].fmt.type =
 						V4L2_BUF_TYPE_VIDEO_OUTPUT;
 		ch->video_dev->lock = &common->lock;
+		video_set_drvdata(ch->video_dev, ch);
+
+		/* select output 0 */
+		err = vpif_set_output(config, ch, 0);
+		if (err)
+			goto probe_out;
 
 		/* register video device */
 		vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n",
@@ -1738,42 +1852,12 @@ static __init int vpif_probe(struct platform_device *pdev)
 					  VFL_TYPE_GRABBER, (j ? 3 : 2));
 		if (err < 0)
 			goto probe_out;
-
-		video_set_drvdata(ch->video_dev, ch);
-	}
-
-	i2c_adap = i2c_get_adapter(1);
-	config = pdev->dev.platform_data;
-	subdev_count = config->subdev_count;
-	subdevdata = config->subdevinfo;
-	vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count,
-								GFP_KERNEL);
-	if (vpif_obj.sd == NULL) {
-		vpif_err("unable to allocate memory for subdevice pointers\n");
-		err = -ENOMEM;
-		goto probe_out;
-	}
-
-	for (i = 0; i < subdev_count; i++) {
-		vpif_obj.sd[i] = v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev,
-						i2c_adap,
-						&subdevdata[i].board_info,
-						NULL);
-		if (!vpif_obj.sd[i]) {
-			vpif_err("Error registering v4l2 subdevice\n");
-			goto probe_subdev_out;
-		}
-
-		if (vpif_obj.sd[i])
-			vpif_obj.sd[i]->grp_id = 1 << i;
 	}
 
 	v4l2_info(&vpif_obj.v4l2_dev,
 			" VPIF display driver initialized\n");
 	return 0;
 
-probe_subdev_out:
-	kfree(vpif_obj.sd);
 probe_out:
 	for (k = 0; k < j; k++) {
 		ch = vpif_obj.dev[k];
@@ -1781,14 +1865,21 @@ probe_out:
 		video_device_release(ch->video_dev);
 		ch->video_dev = NULL;
 	}
+probe_subdev_out:
+	kfree(vpif_obj.sd);
+vpif_sd_error:
+	for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
+		ch = vpif_obj.dev[i];
+		/* Note: does nothing if ch->video_dev == NULL */
+		video_device_release(ch->video_dev);
+	}
 vpif_int_err:
 	v4l2_device_unregister(&vpif_obj.v4l2_dev);
 	vpif_err("VPIF IRQ request failed\n");
-	for (q = k; k >= 0; k--) {
-		for (m = i; m >= res->start; m--)
-			free_irq(m, (void *)(&vpif_obj.dev[k]->channel_id));
-		res = platform_get_resource(pdev, IORESOURCE_IRQ, k-1);
-		m = res->end;
+	for (i = 0; i < res_idx; i++) {
+		res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
+		for (j = res->start; j <= res->end; j++)
+			free_irq(j, (void *)(&vpif_obj.dev[i]->channel_id));
 	}
 
 	return err;
diff --git a/drivers/media/platform/davinci/vpif_display.h b/drivers/media/platform/davinci/vpif_display.h
index f628ebcf367..a5a18f74395 100644
--- a/drivers/media/platform/davinci/vpif_display.h
+++ b/drivers/media/platform/davinci/vpif_display.h
@@ -62,13 +62,6 @@ struct video_obj {
 	v4l2_std_id stdid;		/* Currently selected or default
 					 * standard */
 	struct v4l2_dv_timings dv_timings;
-	u32 output_id;			/* Current output id */
-};
-
-struct vbi_obj {
-	int num_services;
-	struct vpif_vbi_params vbiparams;	/* vpif parameters for the raw
-						 * vbi data */
 };
 
 struct vpif_disp_buffer {
@@ -131,12 +124,13 @@ struct channel_obj {
 					 * which is being displayed */
 	u8 initialized;			/* flag to indicate whether
 					 * encoder is initialized */
+	u32 output_idx;			/* Current output index */
+	struct v4l2_subdev *sd;		/* Current output subdev(may be NULL) */
 
 	enum vpif_channel_id channel_id;/* Identifies channel */
 	struct vpif_params vpifparams;
 	struct common_obj common[VPIF_NUMOBJECTS];
 	struct video_obj video;
-	struct vbi_obj vbi;
 };
 
 /* File handle structure */
@@ -168,12 +162,4 @@ struct vpif_config_params {
 	u8 min_numbuffers;
 };
 
-/* Struct which keeps track of the line numbers for the sliced vbi service */
-struct vpif_service_line {
-	u16 service_id;
-	u16 service_line[2];
-	u16 enc_service_id;
-	u8 bytestowrite;
-};
-
 #endif				/* DAVINCIHD_DISPLAY_H */
diff --git a/drivers/media/platform/exynos-gsc/gsc-regs.c b/drivers/media/platform/exynos-gsc/gsc-regs.c
index 0d8625f03a3..0146b354dc2 100644
--- a/drivers/media/platform/exynos-gsc/gsc-regs.c
+++ b/drivers/media/platform/exynos-gsc/gsc-regs.c
@@ -212,7 +212,7 @@ void gsc_hw_set_in_image_format(struct gsc_ctx *ctx)
 		else
 			cfg |= GSC_IN_YUV422_3P;
 		break;
-	};
+	}
 
 	writel(cfg, dev->regs + GSC_IN_CON);
 }
@@ -332,7 +332,7 @@ void gsc_hw_set_out_image_format(struct gsc_ctx *ctx)
 	case 3:
 		cfg |= GSC_OUT_YUV420_3P;
 		break;
-	};
+	}
 
 end_set:
 	writel(cfg, dev->regs + GSC_OUT_CON);
diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c
index 897250b8864..31ac4dc6924 100644
--- a/drivers/media/platform/fsl-viu.c
+++ b/drivers/media/platform/fsl-viu.c
@@ -864,7 +864,7 @@ int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *
 {
 	struct viu_fh  *fh = priv;
 	struct viu_dev *dev = fh->dev;
-	struct v4l2_framebuffer *fb = arg;
+	const struct v4l2_framebuffer *fb = arg;
 	struct viu_fmt *fmt;
 
 	if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
diff --git a/drivers/media/platform/mem2mem_testdev.c b/drivers/media/platform/mem2mem_testdev.c
index d0363753711..2e2121e9813 100644
--- a/drivers/media/platform/mem2mem_testdev.c
+++ b/drivers/media/platform/mem2mem_testdev.c
@@ -397,8 +397,7 @@ static void device_isr(unsigned long priv)
 	curr_ctx = v4l2_m2m_get_curr_priv(m2mtest_dev->m2m_dev);
 
 	if (NULL == curr_ctx) {
-		printk(KERN_ERR
-			"Instance released before the end of transaction\n");
+		pr_err("Instance released before the end of transaction\n");
 		return;
 	}
 
@@ -894,7 +893,7 @@ static int m2mtest_open(struct file *file)
 
 	if (mutex_lock_interruptible(&dev->dev_mutex))
 		return -ERESTARTSYS;
-	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
 	if (!ctx) {
 		rc = -ENOMEM;
 		goto open_unlock;
@@ -1020,7 +1019,7 @@ static int m2mtest_probe(struct platform_device *pdev)
 	struct video_device *vfd;
 	int ret;
 
-	dev = kzalloc(sizeof *dev, GFP_KERNEL);
+	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
 	if (!dev)
 		return -ENOMEM;
 
@@ -1028,7 +1027,7 @@ static int m2mtest_probe(struct platform_device *pdev)
 
 	ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
 	if (ret)
-		goto free_dev;
+		return ret;
 
 	atomic_set(&dev->num_inst, 0);
 	mutex_init(&dev->dev_mutex);
@@ -1067,15 +1066,13 @@ static int m2mtest_probe(struct platform_device *pdev)
 
 	return 0;
 
-	v4l2_m2m_release(dev->m2m_dev);
 err_m2m:
+	v4l2_m2m_release(dev->m2m_dev);
 	video_unregister_device(dev->vfd);
 rel_vdev:
 	video_device_release(vfd);
 unreg_dev:
 	v4l2_device_unregister(&dev->v4l2_dev);
-free_dev:
-	kfree(dev);
 
 	return ret;
 }
@@ -1090,7 +1087,6 @@ static int m2mtest_remove(struct platform_device *pdev)
 	del_timer_sync(&dev->timer);
 	video_unregister_device(dev->vfd);
 	v4l2_device_unregister(&dev->v4l2_dev);
-	kfree(dev);
 
 	return 0;
 }
diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c
index 134016f0e66..a3b1a34c896 100644
--- a/drivers/media/platform/omap/omap_vout.c
+++ b/drivers/media/platform/omap/omap_vout.c
@@ -455,11 +455,15 @@ static int omapvid_init(struct omap_vout_device *vout, u32 addr)
 
 	win = &vout->win;
 	for (i = 0; i < ovid->num_overlays; i++) {
+		struct omap_dss_device *dssdev;
+
 		ovl = ovid->overlays[i];
-		if (!ovl->manager || !ovl->manager->device)
+		dssdev = ovl->get_device(ovl);
+
+		if (!dssdev)
 			return -EINVAL;
 
-		timing = &ovl->manager->device->panel.timings;
+		timing = &dssdev->panel.timings;
 
 		outw = win->w.width;
 		outh = win->w.height;
@@ -516,8 +520,11 @@ static int omapvid_apply_changes(struct omap_vout_device *vout)
 	struct omapvideo_info *ovid = &vout->vid_info;
 
 	for (i = 0; i < ovid->num_overlays; i++) {
+		struct omap_dss_device *dssdev;
+
 		ovl = ovid->overlays[i];
-		if (!ovl->manager || !ovl->manager->device)
+		dssdev = ovl->get_device(ovl);
+		if (!dssdev)
 			return -EINVAL;
 		ovl->manager->apply(ovl->manager);
 	}
@@ -580,12 +587,14 @@ static void omap_vout_isr(void *arg, unsigned int irqstatus)
 
 	ovid = &vout->vid_info;
 	ovl = ovid->overlays[0];
-	/* get the display device attached to the overlay */
-	if (!ovl->manager || !ovl->manager->device)
-		return;
 
 	mgr_id = ovl->manager->id;
-	cur_display = ovl->manager->device;
+
+	/* get the display device attached to the overlay */
+	cur_display = ovl->get_device(ovl);
+
+	if (!cur_display)
+		return;
 
 	spin_lock(&vout->vbq_lock);
 	do_gettimeofday(&timevalue);
@@ -949,7 +958,9 @@ static int omap_vout_release(struct file *file)
 	/* Disable all the overlay managers connected with this interface */
 	for (i = 0; i < ovid->num_overlays; i++) {
 		struct omap_overlay *ovl = ovid->overlays[i];
-		if (ovl->manager && ovl->manager->device)
+		struct omap_dss_device *dssdev = ovl->get_device(ovl);
+
+		if (dssdev)
 			ovl->disable(ovl);
 	}
 	/* Turn off the pipeline */
@@ -1082,14 +1093,17 @@ static int vidioc_try_fmt_vid_out(struct file *file, void *fh,
 	struct omapvideo_info *ovid;
 	struct omap_video_timings *timing;
 	struct omap_vout_device *vout = fh;
+	struct omap_dss_device *dssdev;
 
 	ovid = &vout->vid_info;
 	ovl = ovid->overlays[0];
+	/* get the display device attached to the overlay */
+	dssdev = ovl->get_device(ovl);
 
-	if (!ovl->manager || !ovl->manager->device)
+	if (!dssdev)
 		return -EINVAL;
-	/* get the display device attached to the overlay */
-	timing = &ovl->manager->device->panel.timings;
+
+	timing = &dssdev->panel.timings;
 
 	vout->fbuf.fmt.height = timing->y_res;
 	vout->fbuf.fmt.width = timing->x_res;
@@ -1106,6 +1120,7 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *fh,
 	struct omapvideo_info *ovid;
 	struct omap_video_timings *timing;
 	struct omap_vout_device *vout = fh;
+	struct omap_dss_device *dssdev;
 
 	if (vout->streaming)
 		return -EBUSY;
@@ -1114,13 +1129,14 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *fh,
 
 	ovid = &vout->vid_info;
 	ovl = ovid->overlays[0];
+	dssdev = ovl->get_device(ovl);
 
 	/* get the display device attached to the overlay */
-	if (!ovl->manager || !ovl->manager->device) {
+	if (!dssdev) {
 		ret = -EINVAL;
 		goto s_fmt_vid_out_exit;
 	}
-	timing = &ovl->manager->device->panel.timings;
+	timing = &dssdev->panel.timings;
 
 	/* We dont support RGB24-packed mode if vrfb rotation
 	 * is enabled*/
@@ -1299,6 +1315,7 @@ static int vidioc_s_crop(struct file *file, void *fh, const struct v4l2_crop *cr
 	struct omapvideo_info *ovid;
 	struct omap_overlay *ovl;
 	struct omap_video_timings *timing;
+	struct omap_dss_device *dssdev;
 
 	if (vout->streaming)
 		return -EBUSY;
@@ -1306,13 +1323,15 @@ static int vidioc_s_crop(struct file *file, void *fh, const struct v4l2_crop *cr
 	mutex_lock(&vout->lock);
 	ovid = &vout->vid_info;
 	ovl = ovid->overlays[0];
+	/* get the display device attached to the overlay */
+	dssdev = ovl->get_device(ovl);
 
-	if (!ovl->manager || !ovl->manager->device) {
+	if (!dssdev) {
 		ret = -EINVAL;
 		goto s_crop_err;
 	}
-	/* get the display device attached to the overlay */
-	timing = &ovl->manager->device->panel.timings;
+
+	timing = &dssdev->panel.timings;
 
 	if (is_rotation_90_or_270(vout)) {
 		vout->fbuf.fmt.height = timing->x_res;
@@ -1668,7 +1687,7 @@ static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i)
 	for (j = 0; j < ovid->num_overlays; j++) {
 		struct omap_overlay *ovl = ovid->overlays[j];
 
-		if (ovl->manager && ovl->manager->device) {
+		if (ovl->get_device(ovl)) {
 			struct omap_overlay_info info;
 			ovl->get_overlay_info(ovl, &info);
 			info.paddr = addr;
@@ -1691,8 +1710,9 @@ static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i)
 
 	for (j = 0; j < ovid->num_overlays; j++) {
 		struct omap_overlay *ovl = ovid->overlays[j];
+		struct omap_dss_device *dssdev = ovl->get_device(ovl);
 
-		if (ovl->manager && ovl->manager->device) {
+		if (dssdev) {
 			ret = ovl->enable(ovl);
 			if (ret)
 				goto streamon_err1;
@@ -1727,8 +1747,9 @@ static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i)
 
 	for (j = 0; j < ovid->num_overlays; j++) {
 		struct omap_overlay *ovl = ovid->overlays[j];
+		struct omap_dss_device *dssdev = ovl->get_device(ovl);
 
-		if (ovl->manager && ovl->manager->device)
+		if (dssdev)
 			ovl->disable(ovl);
 	}
 
@@ -1891,8 +1912,8 @@ static int __init omap_vout_setup_video_data(struct omap_vout_device *vout)
 	struct video_device *vfd;
 	struct v4l2_pix_format *pix;
 	struct v4l2_control *control;
-	struct omap_dss_device *display =
-		vout->vid_info.overlays[0]->manager->device;
+	struct omap_overlay *ovl = vout->vid_info.overlays[0];
+	struct omap_dss_device *display = ovl->get_device(ovl);
 
 	/* set the default pix */
 	pix = &vout->pix;
@@ -2207,8 +2228,10 @@ static int __init omap_vout_probe(struct platform_device *pdev)
 	 */
 	for (i = 1; i < vid_dev->num_overlays; i++) {
 		ovl = omap_dss_get_overlay(i);
-		if (ovl->manager && ovl->manager->device) {
-			def_display = ovl->manager->device;
+		dssdev = ovl->get_device(ovl);
+
+		if (dssdev) {
+			def_display = dssdev;
 		} else {
 			dev_warn(&pdev->dev, "cannot find display\n");
 			def_display = NULL;
@@ -2255,8 +2278,10 @@ probe_err1:
 	for (i = 1; i < vid_dev->num_overlays; i++) {
 		def_display = NULL;
 		ovl = omap_dss_get_overlay(i);
-		if (ovl->manager && ovl->manager->device)
-			def_display = ovl->manager->device;
+		dssdev = ovl->get_device(ovl);
+
+		if (dssdev)
+			def_display = dssdev;
 
 		if (def_display && def_display->driver)
 			def_display->driver->disable(def_display);
diff --git a/drivers/media/platform/omap3isp/ispreg.h b/drivers/media/platform/omap3isp/ispreg.h
index 084ea77d65a..e2c57f334c5 100644
--- a/drivers/media/platform/omap3isp/ispreg.h
+++ b/drivers/media/platform/omap3isp/ispreg.h
@@ -27,13 +27,13 @@
 #ifndef OMAP3_ISP_REG_H
 #define OMAP3_ISP_REG_H
 
-#include <plat/omap34xx.h>
-
-
 #define CM_CAM_MCLK_HZ			172800000	/* Hz */
 
 /* ISP Submodules offset */
 
+#define L4_34XX_BASE			0x48000000
+#define OMAP3430_ISP_BASE		(L4_34XX_BASE + 0xBC000)
+
 #define OMAP3ISP_REG_BASE		OMAP3430_ISP_BASE
 #define OMAP3ISP_REG(offset)		(OMAP3ISP_REG_BASE + (offset))
 
diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c
index dded9881522..367efd164d0 100644
--- a/drivers/media/platform/s5p-fimc/fimc-capture.c
+++ b/drivers/media/platform/s5p-fimc/fimc-capture.c
@@ -177,7 +177,9 @@ static int fimc_capture_config_update(struct fimc_ctx *ctx)
 
 void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf)
 {
+	struct v4l2_subdev *csis = fimc->pipeline.subdevs[IDX_CSIS];
 	struct fimc_vid_cap *cap = &fimc->vid_cap;
+	struct fimc_frame *f = &cap->ctx->d_frame;
 	struct fimc_vid_buffer *v_buf;
 	struct timeval *tv;
 	struct timespec ts;
@@ -216,6 +218,25 @@ void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf)
 		if (++cap->buf_index >= FIMC_MAX_OUT_BUFS)
 			cap->buf_index = 0;
 	}
+	/*
+	 * Set up a buffer at MIPI-CSIS if current image format
+	 * requires the frame embedded data capture.
+	 */
+	if (f->fmt->mdataplanes && !list_empty(&cap->active_buf_q)) {
+		unsigned int plane = ffs(f->fmt->mdataplanes) - 1;
+		unsigned int size = f->payload[plane];
+		s32 index = fimc_hw_get_frame_index(fimc);
+		void *vaddr;
+
+		list_for_each_entry(v_buf, &cap->active_buf_q, list) {
+			if (v_buf->index != index)
+				continue;
+			vaddr = vb2_plane_vaddr(&v_buf->vb, plane);
+			v4l2_subdev_call(csis, video, s_rx_buffer,
+					 vaddr, &size);
+			break;
+		}
+	}
 
 	if (cap->active_buf_cnt == 0) {
 		if (deq_buf)
@@ -351,6 +372,8 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt,
 		unsigned int size = (wh * fmt->depth[i]) / 8;
 		if (pixm)
 			sizes[i] = max(size, pixm->plane_fmt[i].sizeimage);
+		else if (fimc_fmt_is_user_defined(fmt->color))
+			sizes[i] = frame->payload[i];
 		else
 			sizes[i] = max_t(u32, size, frame->payload[i]);
 
@@ -611,10 +634,10 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
 	u32 mask = FMT_FLAGS_CAM;
 	struct fimc_fmt *ffmt;
 
-	/* Color conversion from/to JPEG is not supported */
+	/* Conversion from/to JPEG or User Defined format is not supported */
 	if (code && ctx->s_frame.fmt && pad == FIMC_SD_PAD_SOURCE &&
-	    fimc_fmt_is_jpeg(ctx->s_frame.fmt->color))
-		*code = V4L2_MBUS_FMT_JPEG_1X8;
+	    fimc_fmt_is_user_defined(ctx->s_frame.fmt->color))
+		*code = ctx->s_frame.fmt->mbus_code;
 
 	if (fourcc && *fourcc != V4L2_PIX_FMT_JPEG && pad != FIMC_SD_PAD_SINK)
 		mask |= FMT_FLAGS_M2M;
@@ -628,18 +651,19 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
 		*fourcc = ffmt->fourcc;
 
 	if (pad == FIMC_SD_PAD_SINK) {
-		max_w = fimc_fmt_is_jpeg(ffmt->color) ?
+		max_w = fimc_fmt_is_user_defined(ffmt->color) ?
 			pl->scaler_dis_w : pl->scaler_en_w;
 		/* Apply the camera input interface pixel constraints */
 		v4l_bound_align_image(width, max_t(u32, *width, 32), max_w, 4,
 				      height, max_t(u32, *height, 32),
 				      FIMC_CAMIF_MAX_HEIGHT,
-				      fimc_fmt_is_jpeg(ffmt->color) ? 3 : 1,
+				      fimc_fmt_is_user_defined(ffmt->color) ?
+				      3 : 1,
 				      0);
 		return ffmt;
 	}
 	/* Can't scale or crop in transparent (JPEG) transfer mode */
-	if (fimc_fmt_is_jpeg(ffmt->color)) {
+	if (fimc_fmt_is_user_defined(ffmt->color)) {
 		*width  = ctx->s_frame.f_width;
 		*height = ctx->s_frame.f_height;
 		return ffmt;
@@ -684,7 +708,7 @@ static void fimc_capture_try_selection(struct fimc_ctx *ctx,
 	u32 max_sc_h, max_sc_v;
 
 	/* In JPEG transparent transfer mode cropping is not supported */
-	if (fimc_fmt_is_jpeg(ctx->d_frame.fmt->color)) {
+	if (fimc_fmt_is_user_defined(ctx->d_frame.fmt->color)) {
 		r->width  = sink->f_width;
 		r->height = sink->f_height;
 		r->left   = r->top = 0;
@@ -847,6 +871,48 @@ static int fimc_pipeline_try_format(struct fimc_ctx *ctx,
 	return 0;
 }
 
+/**
+ * fimc_get_sensor_frame_desc - query the sensor for media bus frame parameters
+ * @sensor: pointer to the sensor subdev
+ * @plane_fmt: provides plane sizes corresponding to the frame layout entries
+ * @try: true to set the frame parameters, false to query only
+ *
+ * This function is used by this driver only for compressed/blob data formats.
+ */
+static int fimc_get_sensor_frame_desc(struct v4l2_subdev *sensor,
+				      struct v4l2_plane_pix_format *plane_fmt,
+				      unsigned int num_planes, bool try)
+{
+	struct v4l2_mbus_frame_desc fd;
+	int i, ret;
+
+	for (i = 0; i < num_planes; i++)
+		fd.entry[i].length = plane_fmt[i].sizeimage;
+
+	if (try)
+		ret = v4l2_subdev_call(sensor, pad, set_frame_desc, 0, &fd);
+	else
+		ret = v4l2_subdev_call(sensor, pad, get_frame_desc, 0, &fd);
+
+	if (ret < 0)
+		return ret;
+
+	if (num_planes != fd.num_entries)
+		return -EINVAL;
+
+	for (i = 0; i < num_planes; i++)
+		plane_fmt[i].sizeimage = fd.entry[i].length;
+
+	if (fd.entry[0].length > FIMC_MAX_JPEG_BUF_SIZE) {
+		v4l2_err(sensor->v4l2_dev,  "Unsupported buffer size: %u\n",
+			 fd.entry[0].length);
+
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int fimc_cap_g_fmt_mplane(struct file *file, void *fh,
 				 struct v4l2_format *f)
 {
@@ -865,7 +931,7 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
 	struct v4l2_mbus_framefmt mf;
 	struct fimc_fmt *ffmt = NULL;
 
-	if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
+	if (fimc_jpeg_fourcc(pix->pixelformat)) {
 		fimc_capture_try_format(ctx, &pix->width, &pix->height,
 					NULL, &pix->pixelformat,
 					FIMC_SD_PAD_SINK);
@@ -879,25 +945,32 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
 		return -EINVAL;
 
 	if (!fimc->vid_cap.user_subdev_api) {
-		mf.width  = pix->width;
+		mf.width = pix->width;
 		mf.height = pix->height;
-		mf.code   = ffmt->mbus_code;
+		mf.code = ffmt->mbus_code;
 		fimc_md_graph_lock(fimc);
 		fimc_pipeline_try_format(ctx, &mf, &ffmt, false);
 		fimc_md_graph_unlock(fimc);
-
-		pix->width	 = mf.width;
-		pix->height	 = mf.height;
+		pix->width = mf.width;
+		pix->height = mf.height;
 		if (ffmt)
 			pix->pixelformat = ffmt->fourcc;
 	}
 
 	fimc_adjust_mplane_format(ffmt, pix->width, pix->height, pix);
+
+	if (ffmt->flags & FMT_FLAGS_COMPRESSED)
+		fimc_get_sensor_frame_desc(fimc->pipeline.subdevs[IDX_SENSOR],
+					pix->plane_fmt, ffmt->memplanes, true);
+
 	return 0;
 }
 
-static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx, bool jpeg)
+static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx,
+					enum fimc_color_fmt color)
 {
+	bool jpeg = fimc_fmt_is_user_defined(color);
+
 	ctx->scaler.enabled = !jpeg;
 	fimc_ctrls_activate(ctx, !jpeg);
 
@@ -920,7 +993,7 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f)
 		return -EBUSY;
 
 	/* Pre-configure format at camera interface input, for JPEG only */
-	if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
+	if (fimc_jpeg_fourcc(pix->pixelformat)) {
 		fimc_capture_try_format(ctx, &pix->width, &pix->height,
 					NULL, &pix->pixelformat,
 					FIMC_SD_PAD_SINK);
@@ -953,7 +1026,16 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f)
 	}
 
 	fimc_adjust_mplane_format(ff->fmt, pix->width, pix->height, pix);
-	for (i = 0; i < ff->fmt->colplanes; i++)
+
+	if (ff->fmt->flags & FMT_FLAGS_COMPRESSED) {
+		ret = fimc_get_sensor_frame_desc(fimc->pipeline.subdevs[IDX_SENSOR],
+					pix->plane_fmt, ff->fmt->memplanes,
+					true);
+		if (ret < 0)
+			return ret;
+	}
+
+	for (i = 0; i < ff->fmt->memplanes; i++)
 		ff->payload[i] = pix->plane_fmt[i].sizeimage;
 
 	set_frame_bounds(ff, pix->width, pix->height);
@@ -961,7 +1043,7 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f)
 	if (!(ctx->state & FIMC_COMPOSE))
 		set_frame_crop(ff, 0, 0, pix->width, pix->height);
 
-	fimc_capture_mark_jpeg_xfer(ctx, fimc_fmt_is_jpeg(ff->fmt->color));
+	fimc_capture_mark_jpeg_xfer(ctx, ff->fmt->color);
 
 	/* Reset cropping and set format at the camera interface input */
 	if (!fimc->vid_cap.user_subdev_api) {
@@ -1063,6 +1145,23 @@ static int fimc_pipeline_validate(struct fimc_dev *fimc)
 		    src_fmt.format.height != sink_fmt.format.height ||
 		    src_fmt.format.code != sink_fmt.format.code)
 			return -EPIPE;
+
+		if (sd == fimc->pipeline.subdevs[IDX_SENSOR] &&
+		    fimc_user_defined_mbus_fmt(src_fmt.format.code)) {
+			struct v4l2_plane_pix_format plane_fmt[FIMC_MAX_PLANES];
+			struct fimc_frame *frame = &vid_cap->ctx->d_frame;
+			unsigned int i;
+
+			ret = fimc_get_sensor_frame_desc(sd, plane_fmt,
+							 frame->fmt->memplanes,
+							 false);
+			if (ret < 0)
+				return -EPIPE;
+
+			for (i = 0; i < frame->fmt->memplanes; i++)
+				if (frame->payload[i] < plane_fmt[i].sizeimage)
+					return -EPIPE;
+		}
 	}
 	return 0;
 }
@@ -1424,7 +1523,7 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd,
 	/* Update RGB Alpha control state and value range */
 	fimc_alpha_ctrl_update(ctx);
 
-	fimc_capture_mark_jpeg_xfer(ctx, fimc_fmt_is_jpeg(ffmt->color));
+	fimc_capture_mark_jpeg_xfer(ctx, ffmt->color);
 
 	ff = fmt->pad == FIMC_SD_PAD_SINK ?
 		&ctx->s_frame : &ctx->d_frame;
diff --git a/drivers/media/platform/s5p-fimc/fimc-core.c b/drivers/media/platform/s5p-fimc/fimc-core.c
index 1a445404e73..8d0d2b94a13 100644
--- a/drivers/media/platform/s5p-fimc/fimc-core.c
+++ b/drivers/media/platform/s5p-fimc/fimc-core.c
@@ -184,7 +184,17 @@ static struct fimc_fmt fimc_formats[] = {
 		.memplanes	= 1,
 		.colplanes	= 1,
 		.mbus_code	= V4L2_MBUS_FMT_JPEG_1X8,
-		.flags		= FMT_FLAGS_CAM,
+		.flags		= FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
+	}, {
+		.name		= "S5C73MX interleaved UYVY/JPEG",
+		.fourcc		= V4L2_PIX_FMT_S5C_UYVY_JPG,
+		.color		= FIMC_FMT_YUYV_JPEG,
+		.depth		= { 8 },
+		.memplanes	= 2,
+		.colplanes	= 1,
+		.mdataplanes	= 0x2, /* plane 1 holds frame meta data */
+		.mbus_code	= V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8,
+		.flags		= FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
 	},
 };
 
@@ -371,7 +381,7 @@ int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
 		default:
 			return -EINVAL;
 		}
-	} else {
+	} else if (!frame->fmt->mdataplanes) {
 		if (frame->fmt->memplanes >= 2)
 			paddr->cb = vb2_dma_contig_plane_dma_addr(vb, 1);
 
@@ -698,6 +708,11 @@ int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f)
 		if (frame->fmt->colplanes == 1) /* packed formats */
 			bpl = (bpl * frame->fmt->depth[0]) / 8;
 		pixm->plane_fmt[i].bytesperline = bpl;
+
+		if (frame->fmt->flags & FMT_FLAGS_COMPRESSED) {
+			pixm->plane_fmt[i].sizeimage = frame->payload[i];
+			continue;
+		}
 		pixm->plane_fmt[i].sizeimage = (frame->o_width *
 			frame->o_height * frame->fmt->depth[i]) / 8;
 	}
diff --git a/drivers/media/platform/s5p-fimc/fimc-core.h b/drivers/media/platform/s5p-fimc/fimc-core.h
index cd716ba6015..c0040d79249 100644
--- a/drivers/media/platform/s5p-fimc/fimc-core.h
+++ b/drivers/media/platform/s5p-fimc/fimc-core.h
@@ -40,6 +40,8 @@
 #define SCALER_MAX_VRATIO	64
 #define DMA_MIN_SIZE		8
 #define FIMC_CAMIF_MAX_HEIGHT	0x2000
+#define FIMC_MAX_JPEG_BUF_SIZE	(10 * SZ_1M)
+#define FIMC_MAX_PLANES		3
 
 /* indices to the clocks array */
 enum {
@@ -83,7 +85,7 @@ enum fimc_datapath {
 };
 
 enum fimc_color_fmt {
-	FIMC_FMT_RGB444 = 0x10,
+	FIMC_FMT_RGB444	= 0x10,
 	FIMC_FMT_RGB555,
 	FIMC_FMT_RGB565,
 	FIMC_FMT_RGB666,
@@ -95,14 +97,15 @@ enum fimc_color_fmt {
 	FIMC_FMT_CBYCRY422,
 	FIMC_FMT_CRYCBY422,
 	FIMC_FMT_YCBCR444_LOCAL,
-	FIMC_FMT_JPEG = 0x40,
-	FIMC_FMT_RAW8 = 0x80,
+	FIMC_FMT_RAW8 = 0x40,
 	FIMC_FMT_RAW10,
 	FIMC_FMT_RAW12,
+	FIMC_FMT_JPEG = 0x80,
+	FIMC_FMT_YUYV_JPEG = 0x100,
 };
 
+#define fimc_fmt_is_user_defined(x) (!!((x) & 0x180))
 #define fimc_fmt_is_rgb(x) (!!((x) & 0x10))
-#define fimc_fmt_is_jpeg(x) (!!((x) & 0x40))
 
 #define IS_M2M(__strt) ((__strt) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || \
 			__strt == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
@@ -139,6 +142,7 @@ enum fimc_color_fmt {
  * @memplanes: number of physically non-contiguous data planes
  * @colplanes: number of physically contiguous data planes
  * @depth: per plane driver's private 'number of bits per pixel'
+ * @mdataplanes: bitmask indicating meta data plane(s), (1 << plane_no)
  * @flags: flags indicating which operation mode format applies to
  */
 struct fimc_fmt {
@@ -149,12 +153,14 @@ struct fimc_fmt {
 	u16	memplanes;
 	u16	colplanes;
 	u8	depth[VIDEO_MAX_PLANES];
+	u16	mdataplanes;
 	u16	flags;
 #define FMT_FLAGS_CAM		(1 << 0)
 #define FMT_FLAGS_M2M_IN	(1 << 1)
 #define FMT_FLAGS_M2M_OUT	(1 << 2)
 #define FMT_FLAGS_M2M		(1 << 1 | 1 << 2)
 #define FMT_HAS_ALPHA		(1 << 3)
+#define FMT_FLAGS_COMPRESSED	(1 << 4)
 };
 
 /**
@@ -272,7 +278,7 @@ struct fimc_frame {
 	u32	offs_v;
 	u32	width;
 	u32	height;
-	unsigned long		payload[VIDEO_MAX_PLANES];
+	unsigned int		payload[VIDEO_MAX_PLANES];
 	struct fimc_addr	paddr;
 	struct fimc_dma_offset	dma_offset;
 	struct fimc_fmt		*fmt;
@@ -577,6 +583,18 @@ static inline int tiled_fmt(struct fimc_fmt *fmt)
 	return fmt->fourcc == V4L2_PIX_FMT_NV12MT;
 }
 
+static inline bool fimc_jpeg_fourcc(u32 pixelformat)
+{
+	return (pixelformat == V4L2_PIX_FMT_JPEG ||
+		pixelformat == V4L2_PIX_FMT_S5C_UYVY_JPG);
+}
+
+static inline bool fimc_user_defined_mbus_fmt(u32 code)
+{
+	return (code == V4L2_MBUS_FMT_JPEG_1X8 ||
+		code == V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8);
+}
+
 /* Return the alpha component bit mask */
 static inline int fimc_get_alpha_mask(struct fimc_fmt *fmt)
 {
diff --git a/drivers/media/platform/s5p-fimc/fimc-m2m.c b/drivers/media/platform/s5p-fimc/fimc-m2m.c
index 6b71d953fd1..4500e44f685 100644
--- a/drivers/media/platform/s5p-fimc/fimc-m2m.c
+++ b/drivers/media/platform/s5p-fimc/fimc-m2m.c
@@ -551,30 +551,31 @@ static int fimc_m2m_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
 	return 0;
 }
 
-static int fimc_m2m_s_crop(struct file *file, void *fh, const struct v4l2_crop *cr)
+static int fimc_m2m_s_crop(struct file *file, void *fh, const struct v4l2_crop *crop)
 {
 	struct fimc_ctx *ctx = fh_to_ctx(fh);
 	struct fimc_dev *fimc = ctx->fimc_dev;
+	struct v4l2_crop cr = *crop;
 	struct fimc_frame *f;
 	int ret;
 
-	ret = fimc_m2m_try_crop(ctx, cr);
+	ret = fimc_m2m_try_crop(ctx, &cr);
 	if (ret)
 		return ret;
 
-	f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ?
+	f = (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ?
 		&ctx->s_frame : &ctx->d_frame;
 
 	/* Check to see if scaling ratio is within supported range */
 	if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) {
-		if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-			ret = fimc_check_scaler_ratio(ctx, cr->c.width,
-					cr->c.height, ctx->d_frame.width,
+		if (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+			ret = fimc_check_scaler_ratio(ctx, cr.c.width,
+					cr.c.height, ctx->d_frame.width,
 					ctx->d_frame.height, ctx->rotation);
 		} else {
 			ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
-					ctx->s_frame.height, cr->c.width,
-					cr->c.height, ctx->rotation);
+					ctx->s_frame.height, cr.c.width,
+					cr.c.height, ctx->rotation);
 		}
 		if (ret) {
 			v4l2_err(&fimc->m2m.vfd, "Out of scaler range\n");
@@ -582,10 +583,10 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, const struct v4l2_crop *
 		}
 	}
 
-	f->offs_h = cr->c.left;
-	f->offs_v = cr->c.top;
-	f->width  = cr->c.width;
-	f->height = cr->c.height;
+	f->offs_h = cr.c.left;
+	f->offs_v = cr.c.top;
+	f->width  = cr.c.width;
+	f->height = cr.c.height;
 
 	fimc_ctx_state_set(FIMC_PARAMS, ctx);
 
diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.c b/drivers/media/platform/s5p-fimc/fimc-reg.c
index 783408fd7d5..2c9d0c06c9e 100644
--- a/drivers/media/platform/s5p-fimc/fimc-reg.c
+++ b/drivers/media/platform/s5p-fimc/fimc-reg.c
@@ -625,7 +625,7 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc,
 				cfg |= FIMC_REG_CISRCFMT_ITU601_16BIT;
 		} /* else defaults to ITU-R BT.656 8-bit */
 	} else if (cam->bus_type == FIMC_MIPI_CSI2) {
-		if (fimc_fmt_is_jpeg(f->fmt->color))
+		if (fimc_fmt_is_user_defined(f->fmt->color))
 			cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT;
 	}
 
@@ -680,6 +680,7 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc,
 			tmp = FIMC_REG_CSIIMGFMT_YCBCR422_8BIT;
 			break;
 		case V4L2_MBUS_FMT_JPEG_1X8:
+		case V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8:
 			tmp = FIMC_REG_CSIIMGFMT_USER(1);
 			cfg |= FIMC_REG_CIGCTRL_CAM_JPEG;
 			break;
@@ -744,13 +745,13 @@ void fimc_hw_dis_capture(struct fimc_dev *dev)
 }
 
 /* Return an index to the buffer actually being written. */
-u32 fimc_hw_get_frame_index(struct fimc_dev *dev)
+s32 fimc_hw_get_frame_index(struct fimc_dev *dev)
 {
-	u32 reg;
+	s32 reg;
 
 	if (dev->variant->has_cistatus2) {
-		reg = readl(dev->regs + FIMC_REG_CISTATUS2) & 0x3F;
-		return reg > 0 ? --reg : reg;
+		reg = readl(dev->regs + FIMC_REG_CISTATUS2) & 0x3f;
+		return reg - 1;
 	}
 
 	reg = readl(dev->regs + FIMC_REG_CISTATUS);
@@ -759,6 +760,18 @@ u32 fimc_hw_get_frame_index(struct fimc_dev *dev)
 		FIMC_REG_CISTATUS_FRAMECNT_SHIFT;
 }
 
+/* Return an index to the buffer being written previously. */
+s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev)
+{
+	s32 reg;
+
+	if (!dev->variant->has_cistatus2)
+		return -1;
+
+	reg = readl(dev->regs + FIMC_REG_CISTATUS2);
+	return ((reg >> 7) & 0x3f) - 1;
+}
+
 /* Locking: the caller holds fimc->slock */
 void fimc_activate_capture(struct fimc_ctx *ctx)
 {
diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.h b/drivers/media/platform/s5p-fimc/fimc-reg.h
index 579ac8ac03d..b6abfc7b72a 100644
--- a/drivers/media/platform/s5p-fimc/fimc-reg.h
+++ b/drivers/media/platform/s5p-fimc/fimc-reg.h
@@ -307,7 +307,8 @@ void fimc_hw_clear_irq(struct fimc_dev *dev);
 void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on);
 void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on);
 void fimc_hw_dis_capture(struct fimc_dev *dev);
-u32 fimc_hw_get_frame_index(struct fimc_dev *dev);
+s32 fimc_hw_get_frame_index(struct fimc_dev *dev);
+s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev);
 void fimc_activate_capture(struct fimc_ctx *ctx);
 void fimc_deactivate_capture(struct fimc_dev *fimc);
 
diff --git a/drivers/media/platform/s5p-fimc/mipi-csis.c b/drivers/media/platform/s5p-fimc/mipi-csis.c
index e92236ac5cf..4c961b1b68e 100644
--- a/drivers/media/platform/s5p-fimc/mipi-csis.c
+++ b/drivers/media/platform/s5p-fimc/mipi-csis.c
@@ -2,7 +2,7 @@
  * Samsung S5P/EXYNOS4 SoC series MIPI-CSI receiver driver
  *
  * Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd.
- * Sylwester Nawrocki, <s.nawrocki@samsung.com>
+ * Sylwester Nawrocki <s.nawrocki@samsung.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -98,6 +98,11 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
 #define CSIS_MAX_PIX_WIDTH		0xffff
 #define CSIS_MAX_PIX_HEIGHT		0xffff
 
+/* Non-image packet data buffers */
+#define S5PCSIS_PKTDATA_ODD		0x2000
+#define S5PCSIS_PKTDATA_EVEN		0x3000
+#define S5PCSIS_PKTDATA_SIZE		SZ_4K
+
 enum {
 	CSIS_CLK_MUX,
 	CSIS_CLK_GATE,
@@ -110,8 +115,8 @@ static char *csi_clock_name[] = {
 #define NUM_CSIS_CLOCKS	ARRAY_SIZE(csi_clock_name)
 
 static const char * const csis_supply_name[] = {
-	"vdd11", /* 1.1V or 1.2V (s5pc100) MIPI CSI suppply */
-	"vdd18", /* VDD 1.8V and MIPI CSI PLL supply */
+	"vddcore",  /* CSIS Core (1.0V, 1.1V or 1.2V) suppply */
+	"vddio",    /* CSIS I/O and PLL (1.8V) supply */
 };
 #define CSIS_NUM_SUPPLIES ARRAY_SIZE(csis_supply_name)
 
@@ -144,12 +149,18 @@ static const struct s5pcsis_event s5pcsis_events[] = {
 };
 #define S5PCSIS_NUM_EVENTS ARRAY_SIZE(s5pcsis_events)
 
+struct csis_pktbuf {
+	u32 *data;
+	unsigned int len;
+};
+
 /**
  * struct csis_state - the driver's internal state data structure
  * @lock: mutex serializing the subdev and power management operations,
  *        protecting @format and @flags members
  * @pads: CSIS pads array
  * @sd: v4l2_subdev associated with CSIS device instance
+ * @index: the hardware instance index
  * @pdev: CSIS platform device
  * @regs: mmaped I/O registers memory
  * @supplies: CSIS regulator supplies
@@ -159,12 +170,14 @@ static const struct s5pcsis_event s5pcsis_events[] = {
  * @csis_fmt: current CSIS pixel format
  * @format: common media bus format for the source and sink pad
  * @slock: spinlock protecting structure members below
+ * @pkt_buf: the frame embedded (non-image) data buffer
  * @events: MIPI-CSIS event (error) counters
  */
 struct csis_state {
 	struct mutex lock;
 	struct media_pad pads[CSIS_PADS_NUM];
 	struct v4l2_subdev sd;
+	u8 index;
 	struct platform_device *pdev;
 	void __iomem *regs;
 	struct regulator_bulk_data supplies[CSIS_NUM_SUPPLIES];
@@ -175,6 +188,7 @@ struct csis_state {
 	struct v4l2_mbus_framefmt format;
 
 	struct spinlock slock;
+	struct csis_pktbuf pkt_buf;
 	struct s5pcsis_event events[S5PCSIS_NUM_EVENTS];
 };
 
@@ -202,7 +216,11 @@ static const struct csis_pix_format s5pcsis_formats[] = {
 		.code = V4L2_MBUS_FMT_JPEG_1X8,
 		.fmt_reg = S5PCSIS_CFG_FMT_USER(1),
 		.data_alignment = 32,
-	},
+	}, {
+		.code = V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8,
+		.fmt_reg = S5PCSIS_CFG_FMT_USER(1),
+		.data_alignment = 32,
+	}
 };
 
 #define s5pcsis_write(__csis, __r, __v) writel(__v, __csis->regs + __r)
@@ -266,7 +284,7 @@ static void __s5pcsis_set_format(struct csis_state *state)
 	struct v4l2_mbus_framefmt *mf = &state->format;
 	u32 val;
 
-	v4l2_dbg(1, debug, &state->sd, "fmt: %d, %d x %d\n",
+	v4l2_dbg(1, debug, &state->sd, "fmt: %#x, %d x %d\n",
 		 mf->code, mf->width, mf->height);
 
 	/* Color format */
@@ -304,8 +322,10 @@ static void s5pcsis_set_params(struct csis_state *state)
 		val |= S5PCSIS_CTRL_ALIGN_32BIT;
 	else /* 24-bits */
 		val &= ~S5PCSIS_CTRL_ALIGN_32BIT;
-	/* Not using external clock. */
+
 	val &= ~S5PCSIS_CTRL_WCLK_EXTCLK;
+	if (pdata->wclk_source)
+		val |= S5PCSIS_CTRL_WCLK_EXTCLK;
 	s5pcsis_write(state, S5PCSIS_CTRL, val);
 
 	/* Update the shadow register. */
@@ -529,6 +549,22 @@ static int s5pcsis_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	return 0;
 }
 
+static int s5pcsis_s_rx_buffer(struct v4l2_subdev *sd, void *buf,
+			       unsigned int *size)
+{
+	struct csis_state *state = sd_to_csis_state(sd);
+	unsigned long flags;
+
+	*size = min_t(unsigned int, *size, S5PCSIS_PKTDATA_SIZE);
+
+	spin_lock_irqsave(&state->slock, flags);
+	state->pkt_buf.data = buf;
+	state->pkt_buf.len = *size;
+	spin_unlock_irqrestore(&state->slock, flags);
+
+	return 0;
+}
+
 static int s5pcsis_log_status(struct v4l2_subdev *sd)
 {
 	struct csis_state *state = sd_to_csis_state(sd);
@@ -566,6 +602,7 @@ static struct v4l2_subdev_pad_ops s5pcsis_pad_ops = {
 };
 
 static struct v4l2_subdev_video_ops s5pcsis_video_ops = {
+	.s_rx_buffer = s5pcsis_s_rx_buffer,
 	.s_stream = s5pcsis_s_stream,
 };
 
@@ -578,13 +615,26 @@ static struct v4l2_subdev_ops s5pcsis_subdev_ops = {
 static irqreturn_t s5pcsis_irq_handler(int irq, void *dev_id)
 {
 	struct csis_state *state = dev_id;
+	struct csis_pktbuf *pktbuf = &state->pkt_buf;
 	unsigned long flags;
 	u32 status;
 
 	status = s5pcsis_read(state, S5PCSIS_INTSRC);
-
 	spin_lock_irqsave(&state->slock, flags);
 
+	if ((status & S5PCSIS_INTSRC_NON_IMAGE_DATA) && pktbuf->data) {
+		u32 offset;
+
+		if (status & S5PCSIS_INTSRC_EVEN)
+			offset = S5PCSIS_PKTDATA_EVEN;
+		else
+			offset = S5PCSIS_PKTDATA_ODD;
+
+		memcpy(pktbuf->data, state->regs + offset, pktbuf->len);
+		pktbuf->data = NULL;
+		rmb();
+	}
+
 	/* Update the event/error counters */
 	if ((status & S5PCSIS_INTSRC_ERRORS) || debug) {
 		int i;
@@ -620,14 +670,15 @@ static int __devinit s5pcsis_probe(struct platform_device *pdev)
 	spin_lock_init(&state->slock);
 
 	state->pdev = pdev;
+	state->index = max(0, pdev->id);
 
 	pdata = pdev->dev.platform_data;
-	if (pdata == NULL || pdata->phy_enable == NULL) {
+	if (pdata == NULL) {
 		dev_err(&pdev->dev, "Platform data not fully specified\n");
 		return -EINVAL;
 	}
 
-	if ((pdev->id == 1 && pdata->lanes > CSIS1_MAX_LANES) ||
+	if ((state->index == 1 && pdata->lanes > CSIS1_MAX_LANES) ||
 	    pdata->lanes > CSIS0_MAX_LANES) {
 		dev_err(&pdev->dev, "Unsupported number of data lanes: %d\n",
 			pdata->lanes);
@@ -710,7 +761,6 @@ e_clkput:
 
 static int s5pcsis_pm_suspend(struct device *dev, bool runtime)
 {
-	struct s5p_platform_mipi_csis *pdata = dev->platform_data;
 	struct platform_device *pdev = to_platform_device(dev);
 	struct v4l2_subdev *sd = platform_get_drvdata(pdev);
 	struct csis_state *state = sd_to_csis_state(sd);
@@ -722,7 +772,7 @@ static int s5pcsis_pm_suspend(struct device *dev, bool runtime)
 	mutex_lock(&state->lock);
 	if (state->flags & ST_POWERED) {
 		s5pcsis_stop_stream(state);
-		ret = pdata->phy_enable(state->pdev, false);
+		ret = s5p_csis_phy_enable(state->index, false);
 		if (ret)
 			goto unlock;
 		ret = regulator_bulk_disable(CSIS_NUM_SUPPLIES,
@@ -741,7 +791,6 @@ static int s5pcsis_pm_suspend(struct device *dev, bool runtime)
 
 static int s5pcsis_pm_resume(struct device *dev, bool runtime)
 {
-	struct s5p_platform_mipi_csis *pdata = dev->platform_data;
 	struct platform_device *pdev = to_platform_device(dev);
 	struct v4l2_subdev *sd = platform_get_drvdata(pdev);
 	struct csis_state *state = sd_to_csis_state(sd);
@@ -759,7 +808,7 @@ static int s5pcsis_pm_resume(struct device *dev, bool runtime)
 					    state->supplies);
 		if (ret)
 			goto unlock;
-		ret = pdata->phy_enable(state->pdev, true);
+		ret = s5p_csis_phy_enable(state->index, true);
 		if (!ret) {
 			state->flags |= ST_POWERED;
 		} else {
diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
index 1e3b9dd014c..1bfbc325836 100644
--- a/drivers/media/platform/s5p-g2d/g2d.c
+++ b/drivers/media/platform/s5p-g2d/g2d.c
@@ -507,7 +507,7 @@ static int vidioc_g_crop(struct file *file, void *prv, struct v4l2_crop *cr)
 	return 0;
 }
 
-static int vidioc_try_crop(struct file *file, void *prv, struct v4l2_crop *cr)
+static int vidioc_try_crop(struct file *file, void *prv, const struct v4l2_crop *cr)
 {
 	struct g2d_ctx *ctx = prv;
 	struct g2d_dev *dev = ctx->dev;
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 394775ae577..17983c4c9a9 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -1353,7 +1353,7 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
 		return ret;
 	}
 	dev_dbg(&pdev->dev, "clock source %p\n", jpeg->clk);
-	clk_enable(jpeg->clk);
+	clk_prepare_enable(jpeg->clk);
 
 	/* v4l2 device */
 	ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev);
@@ -1460,7 +1460,7 @@ device_register_rollback:
 	v4l2_device_unregister(&jpeg->v4l2_dev);
 
 clk_get_rollback:
-	clk_disable(jpeg->clk);
+	clk_disable_unprepare(jpeg->clk);
 	clk_put(jpeg->clk);
 
 	return ret;
@@ -1480,7 +1480,7 @@ static int s5p_jpeg_remove(struct platform_device *pdev)
 	v4l2_m2m_release(jpeg->m2m_dev);
 	v4l2_device_unregister(&jpeg->v4l2_dev);
 
-	clk_disable(jpeg->clk);
+	clk_disable_unprepare(jpeg->clk);
 	clk_put(jpeg->clk);
 
 	return 0;
diff --git a/drivers/media/platform/s5p-mfc/Makefile b/drivers/media/platform/s5p-mfc/Makefile
index d0663409af0..379008c6d09 100644
--- a/drivers/media/platform/s5p-mfc/Makefile
+++ b/drivers/media/platform/s5p-mfc/Makefile
@@ -1,5 +1,6 @@
 obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) := s5p-mfc.o
-s5p-mfc-y += s5p_mfc.o s5p_mfc_intr.o s5p_mfc_opr.o
+s5p-mfc-y += s5p_mfc.o s5p_mfc_intr.o
 s5p-mfc-y += s5p_mfc_dec.o s5p_mfc_enc.o
-s5p-mfc-y += s5p_mfc_ctrl.o s5p_mfc_cmd.o
-s5p-mfc-y += s5p_mfc_pm.o s5p_mfc_shm.o
+s5p-mfc-y += s5p_mfc_ctrl.o s5p_mfc_pm.o
+s5p-mfc-y += s5p_mfc_opr.o s5p_mfc_opr_v5.o s5p_mfc_opr_v6.o
+s5p-mfc-y += s5p_mfc_cmd.o s5p_mfc_cmd_v5.o s5p_mfc_cmd_v6.o
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v6.h b/drivers/media/platform/s5p-mfc/regs-mfc-v6.h
new file mode 100644
index 00000000000..363a97cc768
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/regs-mfc-v6.h
@@ -0,0 +1,408 @@
+/*
+ * Register definition file for Samsung MFC V6.x Interface (FIMV) driver
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _REGS_FIMV_V6_H
+#define _REGS_FIMV_V6_H
+
+#include <linux/kernel.h>
+#include <linux/sizes.h>
+
+#define S5P_FIMV_REG_SIZE_V6	(S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR)
+#define S5P_FIMV_REG_COUNT_V6	((S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR) / 4)
+
+/* Number of bits that the buffer address should be shifted for particular
+ * MFC buffers.  */
+#define S5P_FIMV_MEM_OFFSET_V6		0
+
+#define S5P_FIMV_START_ADDR_V6		0x0000
+#define S5P_FIMV_END_ADDR_V6		0xfd80
+
+#define S5P_FIMV_REG_CLEAR_BEGIN_V6	0xf000
+#define S5P_FIMV_REG_CLEAR_COUNT_V6	1024
+
+/* Codec Common Registers */
+#define S5P_FIMV_RISC_ON_V6			0x0000
+#define S5P_FIMV_RISC2HOST_INT_V6		0x003C
+#define S5P_FIMV_HOST2RISC_INT_V6		0x0044
+#define S5P_FIMV_RISC_BASE_ADDRESS_V6		0x0054
+
+#define S5P_FIMV_MFC_RESET_V6			0x1070
+
+#define S5P_FIMV_HOST2RISC_CMD_V6		0x1100
+#define S5P_FIMV_H2R_CMD_EMPTY_V6		0
+#define S5P_FIMV_H2R_CMD_SYS_INIT_V6		1
+#define S5P_FIMV_H2R_CMD_OPEN_INSTANCE_V6	2
+#define S5P_FIMV_CH_SEQ_HEADER_V6		3
+#define S5P_FIMV_CH_INIT_BUFS_V6		4
+#define S5P_FIMV_CH_FRAME_START_V6		5
+#define S5P_FIMV_H2R_CMD_CLOSE_INSTANCE_V6	6
+#define S5P_FIMV_H2R_CMD_SLEEP_V6		7
+#define S5P_FIMV_H2R_CMD_WAKEUP_V6		8
+#define S5P_FIMV_CH_LAST_FRAME_V6		9
+#define S5P_FIMV_H2R_CMD_FLUSH_V6		10
+/* RMVME: REALLOC used? */
+#define S5P_FIMV_CH_FRAME_START_REALLOC_V6	5
+
+#define S5P_FIMV_RISC2HOST_CMD_V6		0x1104
+#define S5P_FIMV_R2H_CMD_EMPTY_V6		0
+#define S5P_FIMV_R2H_CMD_SYS_INIT_RET_V6	1
+#define S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET_V6	2
+#define S5P_FIMV_R2H_CMD_SEQ_DONE_RET_V6	3
+#define S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET_V6	4
+
+#define S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET_V6	6
+#define S5P_FIMV_R2H_CMD_SLEEP_RET_V6		7
+#define S5P_FIMV_R2H_CMD_WAKEUP_RET_V6		8
+#define S5P_FIMV_R2H_CMD_COMPLETE_SEQ_RET_V6	9
+#define S5P_FIMV_R2H_CMD_DPB_FLUSH_RET_V6	10
+#define S5P_FIMV_R2H_CMD_NAL_ABORT_RET_V6	11
+#define S5P_FIMV_R2H_CMD_FW_STATUS_RET_V6	12
+#define S5P_FIMV_R2H_CMD_FRAME_DONE_RET_V6	13
+#define S5P_FIMV_R2H_CMD_FIELD_DONE_RET_V6	14
+#define S5P_FIMV_R2H_CMD_SLICE_DONE_RET_V6	15
+#define S5P_FIMV_R2H_CMD_ENC_BUFFER_FUL_RET_V6	16
+#define S5P_FIMV_R2H_CMD_ERR_RET_V6		32
+
+#define S5P_FIMV_FW_VERSION_V6			0xf000
+
+#define S5P_FIMV_INSTANCE_ID_V6			0xf008
+#define S5P_FIMV_CODEC_TYPE_V6			0xf00c
+#define S5P_FIMV_CONTEXT_MEM_ADDR_V6		0xf014
+#define S5P_FIMV_CONTEXT_MEM_SIZE_V6		0xf018
+#define S5P_FIMV_PIXEL_FORMAT_V6		0xf020
+
+#define S5P_FIMV_METADATA_ENABLE_V6		0xf024
+#define S5P_FIMV_DBG_BUFFER_ADDR_V6		0xf030
+#define S5P_FIMV_DBG_BUFFER_SIZE_V6		0xf034
+#define S5P_FIMV_RET_INSTANCE_ID_V6		0xf070
+
+#define S5P_FIMV_ERROR_CODE_V6			0xf074
+#define S5P_FIMV_ERR_WARNINGS_START_V6		160
+#define S5P_FIMV_ERR_DEC_MASK_V6		0xffff
+#define S5P_FIMV_ERR_DEC_SHIFT_V6		0
+#define S5P_FIMV_ERR_DSPL_MASK_V6		0xffff0000
+#define S5P_FIMV_ERR_DSPL_SHIFT_V6		16
+
+#define S5P_FIMV_DBG_BUFFER_OUTPUT_SIZE_V6	0xf078
+#define S5P_FIMV_METADATA_STATUS_V6		0xf07C
+#define S5P_FIMV_METADATA_ADDR_MB_INFO_V6	0xf080
+#define S5P_FIMV_METADATA_SIZE_MB_INFO_V6	0xf084
+
+/* Decoder Registers */
+#define S5P_FIMV_D_CRC_CTRL_V6			0xf0b0
+#define S5P_FIMV_D_DEC_OPTIONS_V6		0xf0b4
+#define S5P_FIMV_D_OPT_FMO_ASO_CTRL_MASK_V6	4
+#define S5P_FIMV_D_OPT_DDELAY_EN_SHIFT_V6	3
+#define S5P_FIMV_D_OPT_LF_CTRL_SHIFT_V6		1
+#define S5P_FIMV_D_OPT_LF_CTRL_MASK_V6		0x3
+#define S5P_FIMV_D_OPT_TILE_MODE_SHIFT_V6	0
+
+#define S5P_FIMV_D_DISPLAY_DELAY_V6		0xf0b8
+
+#define S5P_FIMV_D_SET_FRAME_WIDTH_V6		0xf0bc
+#define S5P_FIMV_D_SET_FRAME_HEIGHT_V6		0xf0c0
+
+#define S5P_FIMV_D_SEI_ENABLE_V6		0xf0c4
+
+/* Buffer setting registers */
+#define S5P_FIMV_D_MIN_NUM_DPB_V6		0xf0f0
+#define S5P_FIMV_D_MIN_LUMA_DPB_SIZE_V6		0xf0f4
+#define S5P_FIMV_D_MIN_CHROMA_DPB_SIZE_V6	0xf0f8
+#define S5P_FIMV_D_MVC_NUM_VIEWS_V6		0xf0fc
+#define S5P_FIMV_D_MIN_NUM_MV_V6		0xf100
+#define S5P_FIMV_D_NUM_DPB_V6			0xf130
+#define S5P_FIMV_D_LUMA_DPB_SIZE_V6		0xf134
+#define S5P_FIMV_D_CHROMA_DPB_SIZE_V6		0xf138
+#define S5P_FIMV_D_MV_BUFFER_SIZE_V6		0xf13c
+
+#define S5P_FIMV_D_LUMA_DPB_V6			0xf140
+#define S5P_FIMV_D_CHROMA_DPB_V6		0xf240
+#define S5P_FIMV_D_MV_BUFFER_V6			0xf340
+
+#define S5P_FIMV_D_SCRATCH_BUFFER_ADDR_V6	0xf440
+#define S5P_FIMV_D_SCRATCH_BUFFER_SIZE_V6	0xf444
+#define S5P_FIMV_D_METADATA_BUFFER_ADDR_V6	0xf448
+#define S5P_FIMV_D_METADATA_BUFFER_SIZE_V6	0xf44c
+#define S5P_FIMV_D_NUM_MV_V6			0xf478
+#define S5P_FIMV_D_CPB_BUFFER_ADDR_V6		0xf4b0
+#define S5P_FIMV_D_CPB_BUFFER_SIZE_V6		0xf4b4
+
+#define S5P_FIMV_D_AVAILABLE_DPB_FLAG_UPPER_V6	0xf4b8
+#define S5P_FIMV_D_AVAILABLE_DPB_FLAG_LOWER_V6	0xf4bc
+#define S5P_FIMV_D_CPB_BUFFER_OFFSET_V6		0xf4c0
+#define S5P_FIMV_D_SLICE_IF_ENABLE_V6		0xf4c4
+#define S5P_FIMV_D_PICTURE_TAG_V6		0xf4c8
+#define S5P_FIMV_D_STREAM_DATA_SIZE_V6		0xf4d0
+
+/* Display information register */
+#define S5P_FIMV_D_DISPLAY_FRAME_WIDTH_V6	0xf500
+#define S5P_FIMV_D_DISPLAY_FRAME_HEIGHT_V6	0xf504
+
+/* Display status */
+#define S5P_FIMV_D_DISPLAY_STATUS_V6		0xf508
+
+#define S5P_FIMV_D_DISPLAY_LUMA_ADDR_V6		0xf50c
+#define S5P_FIMV_D_DISPLAY_CHROMA_ADDR_V6	0xf510
+
+#define S5P_FIMV_D_DISPLAY_FRAME_TYPE_V6	0xf514
+
+#define S5P_FIMV_D_DISPLAY_CROP_INFO1_V6	0xf518
+#define S5P_FIMV_D_DISPLAY_CROP_INFO2_V6	0xf51c
+#define S5P_FIMV_D_DISPLAY_PICTURE_PROFILE_V6	0xf520
+#define S5P_FIMV_D_DISPLAY_LUMA_CRC_TOP_V6	0xf524
+#define S5P_FIMV_D_DISPLAY_CHROMA_CRC_TOP_V6	0xf528
+#define S5P_FIMV_D_DISPLAY_LUMA_CRC_BOT_V6	0xf52c
+#define S5P_FIMV_D_DISPLAY_CHROMA_CRC_BOT_V6	0xf530
+#define S5P_FIMV_D_DISPLAY_ASPECT_RATIO_V6	0xf534
+#define S5P_FIMV_D_DISPLAY_EXTENDED_AR_V6	0xf538
+
+/* Decoded picture information register */
+#define S5P_FIMV_D_DECODED_FRAME_WIDTH_V6	0xf53c
+#define S5P_FIMV_D_DECODED_FRAME_HEIGHT_V6	0xf540
+#define S5P_FIMV_D_DECODED_STATUS_V6		0xf544
+#define S5P_FIMV_DEC_CRC_GEN_MASK_V6		0x1
+#define S5P_FIMV_DEC_CRC_GEN_SHIFT_V6		6
+
+#define S5P_FIMV_D_DECODED_LUMA_ADDR_V6		0xf548
+#define S5P_FIMV_D_DECODED_CHROMA_ADDR_V6	0xf54c
+
+#define S5P_FIMV_D_DECODED_FRAME_TYPE_V6	0xf550
+#define S5P_FIMV_DECODE_FRAME_MASK_V6		7
+
+#define S5P_FIMV_D_DECODED_CROP_INFO1_V6	0xf554
+#define S5P_FIMV_D_DECODED_CROP_INFO2_V6	0xf558
+#define S5P_FIMV_D_DECODED_PICTURE_PROFILE_V6	0xf55c
+#define S5P_FIMV_D_DECODED_NAL_SIZE_V6		0xf560
+#define S5P_FIMV_D_DECODED_LUMA_CRC_TOP_V6	0xf564
+#define S5P_FIMV_D_DECODED_CHROMA_CRC_TOP_V6	0xf568
+#define S5P_FIMV_D_DECODED_LUMA_CRC_BOT_V6	0xf56c
+#define S5P_FIMV_D_DECODED_CHROMA_CRC_BOT_V6	0xf570
+
+/* Returned value register for specific setting */
+#define S5P_FIMV_D_RET_PICTURE_TAG_TOP_V6		0xf574
+#define S5P_FIMV_D_RET_PICTURE_TAG_BOT_V6		0xf578
+#define S5P_FIMV_D_RET_PICTURE_TIME_TOP_V6		0xf57c
+#define S5P_FIMV_D_RET_PICTURE_TIME_BOT_V6		0xf580
+#define S5P_FIMV_D_CHROMA_FORMAT_V6			0xf588
+#define S5P_FIMV_D_MPEG4_INFO_V6			0xf58c
+#define S5P_FIMV_D_H264_INFO_V6				0xf590
+
+#define S5P_FIMV_D_METADATA_ADDR_CONCEALED_MB_V6	0xf594
+#define S5P_FIMV_D_METADATA_SIZE_CONCEALED_MB_V6	0xf598
+#define S5P_FIMV_D_METADATA_ADDR_VC1_PARAM_V6		0xf59c
+#define S5P_FIMV_D_METADATA_SIZE_VC1_PARAM_V6		0xf5a0
+#define S5P_FIMV_D_METADATA_ADDR_SEI_NAL_V6		0xf5a4
+#define S5P_FIMV_D_METADATA_SIZE_SEI_NAL_V6		0xf5a8
+#define S5P_FIMV_D_METADATA_ADDR_VUI_V6			0xf5ac
+#define S5P_FIMV_D_METADATA_SIZE_VUI_V6			0xf5b0
+
+#define S5P_FIMV_D_MVC_VIEW_ID_V6		0xf5b4
+
+/* SEI related information */
+#define S5P_FIMV_D_FRAME_PACK_SEI_AVAIL_V6	0xf5f0
+#define S5P_FIMV_D_FRAME_PACK_ARRGMENT_ID_V6	0xf5f4
+#define S5P_FIMV_D_FRAME_PACK_SEI_INFO_V6	0xf5f8
+#define S5P_FIMV_D_FRAME_PACK_GRID_POS_V6	0xf5fc
+
+/* Encoder Registers */
+#define S5P_FIMV_E_FRAME_WIDTH_V6		0xf770
+#define S5P_FIMV_E_FRAME_HEIGHT_V6		0xf774
+#define S5P_FIMV_E_CROPPED_FRAME_WIDTH_V6	0xf778
+#define S5P_FIMV_E_CROPPED_FRAME_HEIGHT_V6	0xf77c
+#define S5P_FIMV_E_FRAME_CROP_OFFSET_V6		0xf780
+#define S5P_FIMV_E_ENC_OPTIONS_V6		0xf784
+#define S5P_FIMV_E_PICTURE_PROFILE_V6		0xf788
+#define S5P_FIMV_E_FIXED_PICTURE_QP_V6		0xf790
+
+#define S5P_FIMV_E_RC_CONFIG_V6			0xf794
+#define S5P_FIMV_E_RC_QP_BOUND_V6		0xf798
+#define S5P_FIMV_E_RC_RPARAM_V6			0xf79c
+#define S5P_FIMV_E_MB_RC_CONFIG_V6		0xf7a0
+#define S5P_FIMV_E_PADDING_CTRL_V6		0xf7a4
+#define S5P_FIMV_E_MV_HOR_RANGE_V6		0xf7ac
+#define S5P_FIMV_E_MV_VER_RANGE_V6		0xf7b0
+
+#define S5P_FIMV_E_VBV_BUFFER_SIZE_V6		0xf84c
+#define S5P_FIMV_E_VBV_INIT_DELAY_V6		0xf850
+#define S5P_FIMV_E_NUM_DPB_V6			0xf890
+#define S5P_FIMV_E_LUMA_DPB_V6			0xf8c0
+#define S5P_FIMV_E_CHROMA_DPB_V6		0xf904
+#define S5P_FIMV_E_ME_BUFFER_V6			0xf948
+
+#define S5P_FIMV_E_SCRATCH_BUFFER_ADDR_V6	0xf98c
+#define S5P_FIMV_E_SCRATCH_BUFFER_SIZE_V6	0xf990
+#define S5P_FIMV_E_TMV_BUFFER0_V6		0xf994
+#define S5P_FIMV_E_TMV_BUFFER1_V6		0xf998
+#define S5P_FIMV_E_SOURCE_LUMA_ADDR_V6		0xf9f0
+#define S5P_FIMV_E_SOURCE_CHROMA_ADDR_V6	0xf9f4
+#define S5P_FIMV_E_STREAM_BUFFER_ADDR_V6	0xf9f8
+#define S5P_FIMV_E_STREAM_BUFFER_SIZE_V6	0xf9fc
+#define S5P_FIMV_E_ROI_BUFFER_ADDR_V6		0xfA00
+
+#define S5P_FIMV_E_PARAM_CHANGE_V6		0xfa04
+#define S5P_FIMV_E_IR_SIZE_V6			0xfa08
+#define S5P_FIMV_E_GOP_CONFIG_V6		0xfa0c
+#define S5P_FIMV_E_MSLICE_MODE_V6		0xfa10
+#define S5P_FIMV_E_MSLICE_SIZE_MB_V6		0xfa14
+#define S5P_FIMV_E_MSLICE_SIZE_BITS_V6		0xfa18
+#define S5P_FIMV_E_FRAME_INSERTION_V6		0xfa1c
+
+#define S5P_FIMV_E_RC_FRAME_RATE_V6		0xfa20
+#define S5P_FIMV_E_RC_BIT_RATE_V6		0xfa24
+#define S5P_FIMV_E_RC_QP_OFFSET_V6		0xfa28
+#define S5P_FIMV_E_RC_ROI_CTRL_V6		0xfa2c
+#define S5P_FIMV_E_PICTURE_TAG_V6		0xfa30
+#define S5P_FIMV_E_BIT_COUNT_ENABLE_V6		0xfa34
+#define S5P_FIMV_E_MAX_BIT_COUNT_V6		0xfa38
+#define S5P_FIMV_E_MIN_BIT_COUNT_V6		0xfa3c
+
+#define S5P_FIMV_E_METADATA_BUFFER_ADDR_V6		0xfa40
+#define S5P_FIMV_E_METADATA_BUFFER_SIZE_V6		0xfa44
+#define S5P_FIMV_E_STREAM_SIZE_V6			0xfa80
+#define S5P_FIMV_E_SLICE_TYPE_V6			0xfa84
+#define S5P_FIMV_E_PICTURE_COUNT_V6			0xfa88
+#define S5P_FIMV_E_RET_PICTURE_TAG_V6			0xfa8c
+#define S5P_FIMV_E_STREAM_BUFFER_WRITE_POINTER_V6	0xfa90
+
+#define S5P_FIMV_E_ENCODED_SOURCE_LUMA_ADDR_V6		0xfa94
+#define S5P_FIMV_E_ENCODED_SOURCE_CHROMA_ADDR_V6	0xfa98
+#define S5P_FIMV_E_RECON_LUMA_DPB_ADDR_V6		0xfa9c
+#define S5P_FIMV_E_RECON_CHROMA_DPB_ADDR_V6		0xfaa0
+#define S5P_FIMV_E_METADATA_ADDR_ENC_SLICE_V6		0xfaa4
+#define S5P_FIMV_E_METADATA_SIZE_ENC_SLICE_V6		0xfaa8
+
+#define S5P_FIMV_E_MPEG4_OPTIONS_V6		0xfb10
+#define S5P_FIMV_E_MPEG4_HEC_PERIOD_V6		0xfb14
+#define S5P_FIMV_E_ASPECT_RATIO_V6		0xfb50
+#define S5P_FIMV_E_EXTENDED_SAR_V6		0xfb54
+
+#define S5P_FIMV_E_H264_OPTIONS_V6		0xfb58
+#define S5P_FIMV_E_H264_LF_ALPHA_OFFSET_V6	0xfb5c
+#define S5P_FIMV_E_H264_LF_BETA_OFFSET_V6	0xfb60
+#define S5P_FIMV_E_H264_I_PERIOD_V6		0xfb64
+
+#define S5P_FIMV_E_H264_FMO_SLICE_GRP_MAP_TYPE_V6		0xfb68
+#define S5P_FIMV_E_H264_FMO_NUM_SLICE_GRP_MINUS1_V6		0xfb6c
+#define S5P_FIMV_E_H264_FMO_SLICE_GRP_CHANGE_DIR_V6		0xfb70
+#define S5P_FIMV_E_H264_FMO_SLICE_GRP_CHANGE_RATE_MINUS1_V6	0xfb74
+#define S5P_FIMV_E_H264_FMO_RUN_LENGTH_MINUS1_0_V6		0xfb78
+#define S5P_FIMV_E_H264_FMO_RUN_LENGTH_MINUS1_1_V6		0xfb7c
+#define S5P_FIMV_E_H264_FMO_RUN_LENGTH_MINUS1_2_V6		0xfb80
+#define S5P_FIMV_E_H264_FMO_RUN_LENGTH_MINUS1_3_V6		0xfb84
+
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_0_V6	0xfb88
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_1_V6	0xfb8c
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_2_V6	0xfb90
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_3_V6	0xfb94
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_4_V6	0xfb98
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_5_V6	0xfb9c
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_6_V6	0xfba0
+#define S5P_FIMV_E_H264_ASO_SLICE_ORDER_7_V6	0xfba4
+
+#define S5P_FIMV_E_H264_CHROMA_QP_OFFSET_V6	0xfba8
+#define S5P_FIMV_E_H264_NUM_T_LAYER_V6		0xfbac
+
+#define S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER0_V6	0xfbb0
+#define S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER1_V6	0xfbb4
+#define S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER2_V6	0xfbb8
+#define S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER3_V6	0xfbbc
+#define S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER4_V6	0xfbc0
+#define S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER5_V6	0xfbc4
+#define S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER6_V6	0xfbc8
+
+#define S5P_FIMV_E_H264_FRAME_PACKING_SEI_INFO_V6		0xfc4c
+#define S5P_FIMV_ENC_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE_V6	0
+#define S5P_FIMV_ENC_FP_ARRANGEMENT_TYPE_TOP_BOTTOM_V6		1
+#define S5P_FIMV_ENC_FP_ARRANGEMENT_TYPE_TEMPORAL_V6		2
+
+#define S5P_FIMV_E_MVC_FRAME_QP_VIEW1_V6		0xfd40
+#define S5P_FIMV_E_MVC_RC_FRAME_RATE_VIEW1_V6		0xfd44
+#define S5P_FIMV_E_MVC_RC_BIT_RATE_VIEW1_V6		0xfd48
+#define S5P_FIMV_E_MVC_RC_QBOUND_VIEW1_V6		0xfd4c
+#define S5P_FIMV_E_MVC_RC_RPARA_VIEW1_V6		0xfd50
+#define S5P_FIMV_E_MVC_INTER_VIEW_PREDICTION_ON_V6	0xfd80
+
+/* Codec numbers  */
+#define S5P_FIMV_CODEC_NONE_V6		-1
+
+
+#define S5P_FIMV_CODEC_H264_DEC_V6	0
+#define S5P_FIMV_CODEC_H264_MVC_DEC_V6	1
+
+#define S5P_FIMV_CODEC_MPEG4_DEC_V6	3
+#define S5P_FIMV_CODEC_FIMV1_DEC_V6	4
+#define S5P_FIMV_CODEC_FIMV2_DEC_V6	5
+#define S5P_FIMV_CODEC_FIMV3_DEC_V6	6
+#define S5P_FIMV_CODEC_FIMV4_DEC_V6	7
+#define S5P_FIMV_CODEC_H263_DEC_V6	8
+#define S5P_FIMV_CODEC_VC1RCV_DEC_V6	9
+#define S5P_FIMV_CODEC_VC1_DEC_V6	10
+/* FIXME: Add 11~12 */
+#define S5P_FIMV_CODEC_MPEG2_DEC_V6	13
+#define S5P_FIMV_CODEC_VP8_DEC_V6	14
+/* FIXME: Add 15~16 */
+#define S5P_FIMV_CODEC_H264_ENC_V6	20
+#define S5P_FIMV_CODEC_H264_MVC_ENC_V6	21
+
+#define S5P_FIMV_CODEC_MPEG4_ENC_V6	23
+#define S5P_FIMV_CODEC_H263_ENC_V6	24
+
+#define S5P_FIMV_NV12M_HALIGN_V6		16
+#define S5P_FIMV_NV12MT_HALIGN_V6		16
+#define S5P_FIMV_NV12MT_VALIGN_V6		16
+
+#define S5P_FIMV_TMV_BUFFER_ALIGN_V6		16
+#define S5P_FIMV_LUMA_DPB_BUFFER_ALIGN_V6	256
+#define S5P_FIMV_CHROMA_DPB_BUFFER_ALIGN_V6	256
+#define S5P_FIMV_ME_BUFFER_ALIGN_V6		256
+#define S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6	256
+
+#define S5P_FIMV_LUMA_MB_TO_PIXEL_V6		256
+#define S5P_FIMV_CHROMA_MB_TO_PIXEL_V6		128
+#define S5P_FIMV_NUM_TMV_BUFFERS_V6		2
+
+#define S5P_FIMV_MAX_FRAME_SIZE_V6		(2 * SZ_1M)
+#define S5P_FIMV_NUM_PIXELS_IN_MB_ROW_V6	16
+#define S5P_FIMV_NUM_PIXELS_IN_MB_COL_V6	16
+
+/* Buffer size requirements defined by hardware */
+#define S5P_FIMV_TMV_BUFFER_SIZE_V6(w, h)	(((w) + 1) * ((h) + 1) * 8)
+#define S5P_FIMV_ME_BUFFER_SIZE_V6(imw, imh, mbw, mbh) \
+	((DIV_ROUND_UP(imw, 64) *  DIV_ROUND_UP(imh, 64) * 256) + \
+	 (DIV_ROUND_UP((mbw) * (mbh), 32) * 16))
+#define S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V6(w, h)	(((w) * 192) + 64)
+#define S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_DEC_V6(w, h) \
+			((w) * ((h) * 64 + 144) + (2048/16 * (h) * 64) + \
+			 (2048/16 * 256 + 8320))
+#define S5P_FIMV_SCRATCH_BUF_SIZE_VC1_DEC_V6(w, h) \
+						(2096 * ((w) + (h) + 1))
+#define S5P_FIMV_SCRATCH_BUF_SIZE_H263_DEC_V6(w, h)	((w) * 400)
+#define S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V6(w, h) \
+			((w) * 32 + (h) * 128 + (((w) + 1) / 2) * 64 + 2112)
+#define S5P_FIMV_SCRATCH_BUF_SIZE_H264_ENC_V6(w, h) \
+			(((w) * 64) + (((w) + 1) * 16) + (4096 * 16))
+#define S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_ENC_V6(w, h) \
+			(((w) * 16) + (((w) + 1) * 16))
+
+/* MFC Context buffer sizes */
+#define MFC_CTX_BUF_SIZE_V6		(28 * SZ_1K)	/*  28KB */
+#define MFC_H264_DEC_CTX_BUF_SIZE_V6	(2 * SZ_1M)	/*  2MB */
+#define MFC_OTHER_DEC_CTX_BUF_SIZE_V6	(20 * SZ_1K)	/*  20KB */
+#define MFC_H264_ENC_CTX_BUF_SIZE_V6	(100 * SZ_1K)	/* 100KB */
+#define MFC_OTHER_ENC_CTX_BUF_SIZE_V6	(12 * SZ_1K)	/*  12KB */
+
+/* MFCv6 variant defines */
+#define MAX_FW_SIZE_V6			(SZ_1M)		/* 1MB */
+#define MAX_CPB_SIZE_V6			(3 * SZ_1M)	/* 3MB */
+#define MFC_VERSION_V6			0x61
+#define MFC_NUM_PORTS_V6		1
+
+#endif /* _REGS_FIMV_V6_H */
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc.h b/drivers/media/platform/s5p-mfc/regs-mfc.h
index a19bece41ba..9319e93599a 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc.h
@@ -12,6 +12,9 @@
 #ifndef _REGS_FIMV_H
 #define _REGS_FIMV_H
 
+#include <linux/kernel.h>
+#include <linux/sizes.h>
+
 #define S5P_FIMV_REG_SIZE	(S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR)
 #define S5P_FIMV_REG_COUNT	((S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR) / 4)
 
@@ -144,6 +147,7 @@
 #define S5P_FIMV_ENC_PROFILE_H264_MAIN			0
 #define S5P_FIMV_ENC_PROFILE_H264_HIGH			1
 #define S5P_FIMV_ENC_PROFILE_H264_BASELINE		2
+#define S5P_FIMV_ENC_PROFILE_H264_CONSTRAINED_BASELINE	3
 #define S5P_FIMV_ENC_PROFILE_MPEG4_SIMPLE		0
 #define S5P_FIMV_ENC_PROFILE_MPEG4_ADVANCED_SIMPLE	1
 #define S5P_FIMV_ENC_PIC_STRUCT		0x083c /* picture field/frame flag */
@@ -213,6 +217,7 @@
 #define S5P_FIMV_DEC_STATUS_RESOLUTION_MASK		(3<<4)
 #define S5P_FIMV_DEC_STATUS_RESOLUTION_INC		(1<<4)
 #define S5P_FIMV_DEC_STATUS_RESOLUTION_DEC		(2<<4)
+#define S5P_FIMV_DEC_STATUS_RESOLUTION_SHIFT		4
 
 /* Decode frame address */
 #define S5P_FIMV_DECODE_Y_ADR			0x2024
@@ -377,6 +382,16 @@
 #define S5P_FIMV_R2H_CMD_EDFU_INIT_RET		16
 #define S5P_FIMV_R2H_CMD_ERR_RET		32
 
+/* Dummy definition for MFCv6 compatibilty */
+#define S5P_FIMV_CODEC_H264_MVC_DEC		-1
+#define S5P_FIMV_R2H_CMD_FIELD_DONE_RET		-1
+#define S5P_FIMV_MFC_RESET			-1
+#define S5P_FIMV_RISC_ON			-1
+#define S5P_FIMV_RISC_BASE_ADDRESS		-1
+#define S5P_FIMV_CODEC_VP8_DEC			-1
+#define S5P_FIMV_REG_CLEAR_BEGIN		0
+#define S5P_FIMV_REG_CLEAR_COUNT		0
+
 /* Error handling defines */
 #define S5P_FIMV_ERR_WARNINGS_START		145
 #define S5P_FIMV_ERR_DEC_MASK			0xFFFF
@@ -414,5 +429,31 @@
 #define S5P_FIMV_SHARED_EXTENDED_SAR		0x0078
 #define S5P_FIMV_SHARED_H264_I_PERIOD		0x009C
 #define S5P_FIMV_SHARED_RC_CONTROL_CONFIG	0x00A0
+#define S5P_FIMV_SHARED_DISP_FRAME_TYPE_SHIFT	2
+
+/* Offset used by the hardware to store addresses */
+#define MFC_OFFSET_SHIFT	11
+
+#define FIRMWARE_ALIGN		(128 * SZ_1K)	/* 128KB */
+#define MFC_H264_CTX_BUF_SIZE	(600 * SZ_1K)	/* 600KB per H264 instance */
+#define MFC_CTX_BUF_SIZE	(10 * SZ_1K)	/* 10KB per instance */
+#define DESC_BUF_SIZE		(128 * SZ_1K)	/* 128KB for DESC buffer */
+#define SHARED_BUF_SIZE		(8 * SZ_1K)	/* 8KB for shared buffer */
+
+#define DEF_CPB_SIZE		(256 * SZ_1K)	/* 256KB */
+#define MAX_CPB_SIZE		(4 * SZ_1M)	/* 4MB */
+#define MAX_FW_SIZE		(384 * SZ_1K)
+
+#define MFC_VERSION		0x51
+#define MFC_NUM_PORTS		2
+
+#define S5P_FIMV_SHARED_FRAME_PACK_SEI_AVAIL    0x16C
+#define S5P_FIMV_SHARED_FRAME_PACK_ARRGMENT_ID  0x170
+#define S5P_FIMV_SHARED_FRAME_PACK_SEI_INFO     0x174
+#define S5P_FIMV_SHARED_FRAME_PACK_GRID_POS     0x178
+
+/* Values for resolution change in display status */
+#define S5P_FIMV_RES_INCREASE	1
+#define S5P_FIMV_RES_DECREASE	2
 
 #endif /* _REGS_FIMV_H */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 5587ef15ca4..130f4ac8649 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -22,15 +22,15 @@
 #include <media/v4l2-event.h>
 #include <linux/workqueue.h>
 #include <media/videobuf2-core.h>
-#include "regs-mfc.h"
+#include "s5p_mfc_common.h"
 #include "s5p_mfc_ctrl.h"
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_dec.h"
 #include "s5p_mfc_enc.h"
 #include "s5p_mfc_intr.h"
 #include "s5p_mfc_opr.h"
+#include "s5p_mfc_cmd.h"
 #include "s5p_mfc_pm.h"
-#include "s5p_mfc_shm.h"
 
 #define S5P_MFC_NAME		"s5p-mfc"
 #define S5P_MFC_DEC_NAME	"s5p-mfc-dec"
@@ -149,10 +149,12 @@ static void s5p_mfc_watchdog_worker(struct work_struct *work)
 		if (!ctx)
 			continue;
 		ctx->state = MFCINST_ERROR;
-		s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
-		s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
+				&ctx->vq_dst);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
+				&ctx->vq_src);
 		clear_work_bit(ctx);
-		wake_up_ctx(ctx, S5P_FIMV_R2H_CMD_ERR_RET, 0);
+		wake_up_ctx(ctx, S5P_MFC_R2H_CMD_ERR_RET, 0);
 	}
 	clear_bit(0, &dev->hw_lock);
 	spin_unlock_irqrestore(&dev->irqlock, flags);
@@ -199,6 +201,7 @@ static void s5p_mfc_clear_int_flags(struct s5p_mfc_dev *dev)
 static void s5p_mfc_handle_frame_all_extracted(struct s5p_mfc_ctx *ctx)
 {
 	struct s5p_mfc_buf *dst_buf;
+	struct s5p_mfc_dev *dev = ctx->dev;
 
 	ctx->state = MFCINST_FINISHED;
 	ctx->sequence++;
@@ -213,8 +216,8 @@ static void s5p_mfc_handle_frame_all_extracted(struct s5p_mfc_ctx *ctx)
 		ctx->dst_queue_cnt--;
 		dst_buf->b->v4l2_buf.sequence = (ctx->sequence++);
 
-		if (s5p_mfc_read_shm(ctx, PIC_TIME_TOP) ==
-			s5p_mfc_read_shm(ctx, PIC_TIME_BOT))
+		if (s5p_mfc_hw_call(dev->mfc_ops, get_pic_type_top, ctx) ==
+			s5p_mfc_hw_call(dev->mfc_ops, get_pic_type_bot, ctx))
 			dst_buf->b->v4l2_buf.field = V4L2_FIELD_NONE;
 		else
 			dst_buf->b->v4l2_buf.field = V4L2_FIELD_INTERLACED;
@@ -228,8 +231,11 @@ static void s5p_mfc_handle_frame_copy_time(struct s5p_mfc_ctx *ctx)
 {
 	struct s5p_mfc_dev *dev = ctx->dev;
 	struct s5p_mfc_buf  *dst_buf, *src_buf;
-	size_t dec_y_addr = s5p_mfc_get_dec_y_adr();
-	unsigned int frame_type = s5p_mfc_get_frame_type();
+	size_t dec_y_addr;
+	unsigned int frame_type;
+
+	dec_y_addr = s5p_mfc_hw_call(dev->mfc_ops, get_dec_y_adr, dev);
+	frame_type = s5p_mfc_hw_call(dev->mfc_ops, get_dec_frame_type, dev);
 
 	/* Copy timestamp / timecode from decoded src to dst and set
 	   appropraite flags */
@@ -265,10 +271,13 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err)
 {
 	struct s5p_mfc_dev *dev = ctx->dev;
 	struct s5p_mfc_buf  *dst_buf;
-	size_t dspl_y_addr = s5p_mfc_get_dspl_y_adr();
-	unsigned int frame_type = s5p_mfc_get_frame_type();
+	size_t dspl_y_addr;
+	unsigned int frame_type;
 	unsigned int index;
 
+	dspl_y_addr = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_y_adr, dev);
+	frame_type = s5p_mfc_hw_call(dev->mfc_ops, get_dec_frame_type, dev);
+
 	/* If frame is same as previous then skip and do not dequeue */
 	if (frame_type == S5P_FIMV_DECODE_FRAME_SKIPPED) {
 		if (!ctx->after_packed_pb)
@@ -285,8 +294,10 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err)
 			list_del(&dst_buf->list);
 			ctx->dst_queue_cnt--;
 			dst_buf->b->v4l2_buf.sequence = ctx->sequence;
-			if (s5p_mfc_read_shm(ctx, PIC_TIME_TOP) ==
-				s5p_mfc_read_shm(ctx, PIC_TIME_BOT))
+			if (s5p_mfc_hw_call(dev->mfc_ops,
+					get_pic_type_top, ctx) ==
+				s5p_mfc_hw_call(dev->mfc_ops,
+					get_pic_type_bot, ctx))
 				dst_buf->b->v4l2_buf.field = V4L2_FIELD_NONE;
 			else
 				dst_buf->b->v4l2_buf.field =
@@ -317,21 +328,23 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
 
 	unsigned int index;
 
-	dst_frame_status = s5p_mfc_get_dspl_status()
+	dst_frame_status = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_status, dev)
 				& S5P_FIMV_DEC_STATUS_DECODING_STATUS_MASK;
-	res_change = s5p_mfc_get_dspl_status()
-				& S5P_FIMV_DEC_STATUS_RESOLUTION_MASK;
+	res_change = (s5p_mfc_hw_call(dev->mfc_ops, get_dspl_status, dev)
+				& S5P_FIMV_DEC_STATUS_RESOLUTION_MASK)
+				>> S5P_FIMV_DEC_STATUS_RESOLUTION_SHIFT;
 	mfc_debug(2, "Frame Status: %x\n", dst_frame_status);
 	if (ctx->state == MFCINST_RES_CHANGE_INIT)
 		ctx->state = MFCINST_RES_CHANGE_FLUSH;
-	if (res_change) {
+	if (res_change == S5P_FIMV_RES_INCREASE ||
+		res_change == S5P_FIMV_RES_DECREASE) {
 		ctx->state = MFCINST_RES_CHANGE_INIT;
-		s5p_mfc_clear_int_flags(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 		wake_up_ctx(ctx, reason, err);
 		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
 			BUG();
 		s5p_mfc_clock_off();
-		s5p_mfc_try_run(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 		return;
 	}
 	if (ctx->dpb_flush_flag)
@@ -365,9 +378,12 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
 		&& !list_empty(&ctx->src_queue)) {
 		src_buf = list_entry(ctx->src_queue.next, struct s5p_mfc_buf,
 								list);
-		ctx->consumed_stream += s5p_mfc_get_consumed_stream();
-		if (ctx->codec_mode != S5P_FIMV_CODEC_H264_DEC &&
-			s5p_mfc_get_frame_type() == S5P_FIMV_DECODE_FRAME_P_FRAME
+		ctx->consumed_stream += s5p_mfc_hw_call(dev->mfc_ops,
+						get_consumed_stream, dev);
+		if (ctx->codec_mode != S5P_MFC_CODEC_H264_DEC &&
+			s5p_mfc_hw_call(dev->mfc_ops,
+				get_dec_frame_type, dev) ==
+					S5P_FIMV_DECODE_FRAME_P_FRAME
 					&& ctx->consumed_stream + STUFF_BYTE <
 					src_buf->b->v4l2_planes[0].bytesused) {
 			/* Run MFC again on the same buffer */
@@ -379,7 +395,7 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
 			ctx->consumed_stream = 0;
 			list_del(&src_buf->list);
 			ctx->src_queue_cnt--;
-			if (s5p_mfc_err_dec(err) > 0)
+			if (s5p_mfc_hw_call(dev->mfc_ops, err_dec, err) > 0)
 				vb2_buffer_done(src_buf->b, VB2_BUF_STATE_ERROR);
 			else
 				vb2_buffer_done(src_buf->b, VB2_BUF_STATE_DONE);
@@ -390,12 +406,12 @@ leave_handle_frame:
 	if ((ctx->src_queue_cnt == 0 && ctx->state != MFCINST_FINISHING)
 				    || ctx->dst_queue_cnt < ctx->dpb_count)
 		clear_work_bit(ctx);
-	s5p_mfc_clear_int_flags(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 	wake_up_ctx(ctx, reason, err);
 	if (test_and_clear_bit(0, &dev->hw_lock) == 0)
 		BUG();
 	s5p_mfc_clock_off();
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 }
 
 /* Error handling for interrupt */
@@ -412,7 +428,7 @@ static void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx,
 
 	dev = ctx->dev;
 	mfc_err("Interrupt Error: %08x\n", err);
-	s5p_mfc_clear_int_flags(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 	wake_up_dev(dev, reason, err);
 
 	/* Error recovery is dependent on the state of context */
@@ -441,9 +457,11 @@ static void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx,
 		ctx->state = MFCINST_ERROR;
 		/* Mark all dst buffers as having an error */
 		spin_lock_irqsave(&dev->irqlock, flags);
-		s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
+				&ctx->vq_dst);
 		/* Mark all src buffers as having an error */
-		s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
+				&ctx->vq_src);
 		spin_unlock_irqrestore(&dev->irqlock, flags);
 		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
 			BUG();
@@ -461,7 +479,6 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx,
 				 unsigned int reason, unsigned int err)
 {
 	struct s5p_mfc_dev *dev;
-	unsigned int guard_width, guard_height;
 
 	if (ctx == NULL)
 		return;
@@ -470,55 +487,44 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx,
 		if (ctx->c_ops->post_seq_start(ctx))
 			mfc_err("post_seq_start() failed\n");
 	} else {
-		ctx->img_width = s5p_mfc_get_img_width();
-		ctx->img_height = s5p_mfc_get_img_height();
-
-		ctx->buf_width = ALIGN(ctx->img_width,
-						S5P_FIMV_NV12MT_HALIGN);
-		ctx->buf_height = ALIGN(ctx->img_height,
-						S5P_FIMV_NV12MT_VALIGN);
-		mfc_debug(2, "SEQ Done: Movie dimensions %dx%d, "
-			"buffer dimensions: %dx%d\n", ctx->img_width,
-				ctx->img_height, ctx->buf_width,
-						ctx->buf_height);
-		if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC) {
-			ctx->luma_size = ALIGN(ctx->buf_width *
-				ctx->buf_height, S5P_FIMV_DEC_BUF_ALIGN);
-			ctx->chroma_size = ALIGN(ctx->buf_width *
-					 ALIGN((ctx->img_height >> 1),
-					       S5P_FIMV_NV12MT_VALIGN),
-					       S5P_FIMV_DEC_BUF_ALIGN);
-			ctx->mv_size = ALIGN(ctx->buf_width *
-					ALIGN((ctx->buf_height >> 2),
-					S5P_FIMV_NV12MT_VALIGN),
-					S5P_FIMV_DEC_BUF_ALIGN);
-		} else {
-			guard_width = ALIGN(ctx->img_width + 24,
-					S5P_FIMV_NV12MT_HALIGN);
-			guard_height = ALIGN(ctx->img_height + 16,
-						S5P_FIMV_NV12MT_VALIGN);
-			ctx->luma_size = ALIGN(guard_width *
-				guard_height, S5P_FIMV_DEC_BUF_ALIGN);
-			guard_width = ALIGN(ctx->img_width + 16,
-						S5P_FIMV_NV12MT_HALIGN);
-			guard_height = ALIGN((ctx->img_height >> 1) + 4,
-						S5P_FIMV_NV12MT_VALIGN);
-			ctx->chroma_size = ALIGN(guard_width *
-				guard_height, S5P_FIMV_DEC_BUF_ALIGN);
-			ctx->mv_size = 0;
-		}
-		ctx->dpb_count = s5p_mfc_get_dpb_count();
+		ctx->img_width = s5p_mfc_hw_call(dev->mfc_ops, get_img_width,
+				dev);
+		ctx->img_height = s5p_mfc_hw_call(dev->mfc_ops, get_img_height,
+				dev);
+
+		s5p_mfc_hw_call(dev->mfc_ops, dec_calc_dpb_size, ctx);
+
+		ctx->dpb_count = s5p_mfc_hw_call(dev->mfc_ops, get_dpb_count,
+				dev);
+		ctx->mv_count = s5p_mfc_hw_call(dev->mfc_ops, get_mv_count,
+				dev);
 		if (ctx->img_width == 0 || ctx->img_height == 0)
 			ctx->state = MFCINST_ERROR;
 		else
 			ctx->state = MFCINST_HEAD_PARSED;
+
+		if ((ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
+			ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) &&
+				!list_empty(&ctx->src_queue)) {
+			struct s5p_mfc_buf *src_buf;
+			src_buf = list_entry(ctx->src_queue.next,
+					struct s5p_mfc_buf, list);
+			if (s5p_mfc_hw_call(dev->mfc_ops, get_consumed_stream,
+						dev) <
+					src_buf->b->v4l2_planes[0].bytesused)
+				ctx->head_processed = 0;
+			else
+				ctx->head_processed = 1;
+		} else {
+			ctx->head_processed = 1;
+		}
 	}
-	s5p_mfc_clear_int_flags(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 	clear_work_bit(ctx);
 	if (test_and_clear_bit(0, &dev->hw_lock) == 0)
 		BUG();
 	s5p_mfc_clock_off();
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 	wake_up_ctx(ctx, reason, err);
 }
 
@@ -533,14 +539,14 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx,
 	if (ctx == NULL)
 		return;
 	dev = ctx->dev;
-	s5p_mfc_clear_int_flags(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 	ctx->int_type = reason;
 	ctx->int_err = err;
 	ctx->int_cond = 1;
 	clear_work_bit(ctx);
 	if (err == 0) {
 		ctx->state = MFCINST_RUNNING;
-		if (!ctx->dpb_flush_flag) {
+		if (!ctx->dpb_flush_flag && ctx->head_processed) {
 			spin_lock_irqsave(&dev->irqlock, flags);
 			if (!list_empty(&ctx->src_queue)) {
 				src_buf = list_entry(ctx->src_queue.next,
@@ -560,7 +566,7 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx,
 		s5p_mfc_clock_off();
 
 		wake_up(&ctx->queue);
-		s5p_mfc_try_run(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 	} else {
 		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
 			BUG();
@@ -602,7 +608,7 @@ static void s5p_mfc_handle_stream_complete(struct s5p_mfc_ctx *ctx,
 
 	s5p_mfc_clock_off();
 	wake_up(&ctx->queue);
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 }
 
 /* Interrupt processing */
@@ -618,81 +624,83 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
 	atomic_set(&dev->watchdog_cnt, 0);
 	ctx = dev->ctx[dev->curr_ctx];
 	/* Get the reason of interrupt and the error code */
-	reason = s5p_mfc_get_int_reason();
-	err = s5p_mfc_get_int_err();
+	reason = s5p_mfc_hw_call(dev->mfc_ops, get_int_reason, dev);
+	err = s5p_mfc_hw_call(dev->mfc_ops, get_int_err, dev);
 	mfc_debug(1, "Int reason: %d (err: %08x)\n", reason, err);
 	switch (reason) {
-	case S5P_FIMV_R2H_CMD_ERR_RET:
+	case S5P_MFC_R2H_CMD_ERR_RET:
 		/* An error has occured */
 		if (ctx->state == MFCINST_RUNNING &&
-			s5p_mfc_err_dec(err) >= S5P_FIMV_ERR_WARNINGS_START)
+			s5p_mfc_hw_call(dev->mfc_ops, err_dec, err) >=
+				dev->warn_start)
 			s5p_mfc_handle_frame(ctx, reason, err);
 		else
 			s5p_mfc_handle_error(ctx, reason, err);
 		clear_bit(0, &dev->enter_suspend);
 		break;
 
-	case S5P_FIMV_R2H_CMD_SLICE_DONE_RET:
-	case S5P_FIMV_R2H_CMD_FRAME_DONE_RET:
+	case S5P_MFC_R2H_CMD_SLICE_DONE_RET:
+	case S5P_MFC_R2H_CMD_FIELD_DONE_RET:
+	case S5P_MFC_R2H_CMD_FRAME_DONE_RET:
 		if (ctx->c_ops->post_frame_start) {
 			if (ctx->c_ops->post_frame_start(ctx))
 				mfc_err("post_frame_start() failed\n");
-			s5p_mfc_clear_int_flags(dev);
+			s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 			wake_up_ctx(ctx, reason, err);
 			if (test_and_clear_bit(0, &dev->hw_lock) == 0)
 				BUG();
 			s5p_mfc_clock_off();
-			s5p_mfc_try_run(dev);
+			s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 		} else {
 			s5p_mfc_handle_frame(ctx, reason, err);
 		}
 		break;
 
-	case S5P_FIMV_R2H_CMD_SEQ_DONE_RET:
+	case S5P_MFC_R2H_CMD_SEQ_DONE_RET:
 		s5p_mfc_handle_seq_done(ctx, reason, err);
 		break;
 
-	case S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET:
-		ctx->inst_no = s5p_mfc_get_inst_no();
+	case S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET:
+		ctx->inst_no = s5p_mfc_hw_call(dev->mfc_ops, get_inst_no, dev);
 		ctx->state = MFCINST_GOT_INST;
 		clear_work_bit(ctx);
 		wake_up(&ctx->queue);
 		goto irq_cleanup_hw;
 
-	case S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET:
+	case S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET:
 		clear_work_bit(ctx);
 		ctx->state = MFCINST_FREE;
 		wake_up(&ctx->queue);
 		goto irq_cleanup_hw;
 
-	case S5P_FIMV_R2H_CMD_SYS_INIT_RET:
-	case S5P_FIMV_R2H_CMD_FW_STATUS_RET:
-	case S5P_FIMV_R2H_CMD_SLEEP_RET:
-	case S5P_FIMV_R2H_CMD_WAKEUP_RET:
+	case S5P_MFC_R2H_CMD_SYS_INIT_RET:
+	case S5P_MFC_R2H_CMD_FW_STATUS_RET:
+	case S5P_MFC_R2H_CMD_SLEEP_RET:
+	case S5P_MFC_R2H_CMD_WAKEUP_RET:
 		if (ctx)
 			clear_work_bit(ctx);
-		s5p_mfc_clear_int_flags(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 		wake_up_dev(dev, reason, err);
 		clear_bit(0, &dev->hw_lock);
 		clear_bit(0, &dev->enter_suspend);
 		break;
 
-	case S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET:
+	case S5P_MFC_R2H_CMD_INIT_BUFFERS_RET:
 		s5p_mfc_handle_init_buffers(ctx, reason, err);
 		break;
 
-	case S5P_FIMV_R2H_CMD_ENC_COMPLETE_RET:
+	case S5P_MFC_R2H_CMD_COMPLETE_SEQ_RET:
 		s5p_mfc_handle_stream_complete(ctx, reason, err);
 		break;
 
 	default:
 		mfc_debug(2, "Unknown int reason\n");
-		s5p_mfc_clear_int_flags(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 	}
 	mfc_debug_leave();
 	return IRQ_HANDLED;
 irq_cleanup_hw:
-	s5p_mfc_clear_int_flags(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
 	ctx->int_type = reason;
 	ctx->int_err = err;
 	ctx->int_cond = 1;
@@ -701,7 +709,7 @@ irq_cleanup_hw:
 
 	s5p_mfc_clock_off();
 
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 	mfc_debug(2, "Exit via irq_cleanup_hw\n");
 	return IRQ_HANDLED;
 }
@@ -749,6 +757,7 @@ static int s5p_mfc_open(struct file *file)
 	if (s5p_mfc_get_node_type(file) == MFCNODE_DECODER) {
 		ctx->type = MFCINST_DECODER;
 		ctx->c_ops = get_dec_codec_ops();
+		s5p_mfc_dec_init(ctx);
 		/* Setup ctrl handler */
 		ret = s5p_mfc_dec_ctrls_setup(ctx);
 		if (ret) {
@@ -761,6 +770,7 @@ static int s5p_mfc_open(struct file *file)
 		/* only for encoder */
 		INIT_LIST_HEAD(&ctx->ref_queue);
 		ctx->ref_queue_cnt = 0;
+		s5p_mfc_enc_init(ctx);
 		/* Setup ctrl handler */
 		ret = s5p_mfc_enc_ctrls_setup(ctx);
 		if (ret) {
@@ -886,19 +896,20 @@ static int s5p_mfc_release(struct file *file)
 		ctx->state = MFCINST_RETURN_INST;
 		set_work_bit_irqsave(ctx);
 		s5p_mfc_clean_ctx_int_flags(ctx);
-		s5p_mfc_try_run(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 		/* Wait until instance is returned or timeout occured */
 		if (s5p_mfc_wait_for_done_ctx
-		    (ctx, S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET, 0)) {
+		    (ctx, S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET, 0)) {
 			s5p_mfc_clock_off();
 			mfc_err("Err returning instance\n");
 		}
 		mfc_debug(2, "After free instance\n");
 		/* Free resources */
-		s5p_mfc_release_codec_buffers(ctx);
-		s5p_mfc_release_instance_buffer(ctx);
+		s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx);
+		s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer, ctx);
 		if (ctx->type == MFCINST_DECODER)
-			s5p_mfc_release_dec_desc_buffer(ctx);
+			s5p_mfc_hw_call(dev->mfc_ops, release_dec_desc_buffer,
+					ctx);
 
 		ctx->inst_no = MFC_NO_INSTANCE_SET;
 	}
@@ -910,6 +921,7 @@ static int s5p_mfc_release(struct file *file)
 		mfc_debug(2, "Last instance - release firmware\n");
 		/* reset <-> F/W release */
 		s5p_mfc_reset(dev);
+		s5p_mfc_deinit_hw(dev);
 		s5p_mfc_release_firmware(dev);
 		del_timer_sync(&dev->watchdog_timer);
 		if (s5p_mfc_power_off() < 0)
@@ -1041,6 +1053,9 @@ static int s5p_mfc_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	dev->variant = (struct s5p_mfc_variant *)
+		platform_get_device_id(pdev)->driver_data;
+
 	ret = s5p_mfc_init_pm(dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to get mfc clock source\n");
@@ -1076,6 +1091,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
 		ret = -ENODEV;
 		goto err_res;
 	}
+
 	dev->mem_dev_r = device_find_child(&dev->plat_dev->dev, "s5p-mfc-r",
 					   match_child);
 	if (!dev->mem_dev_r) {
@@ -1139,6 +1155,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
 	vfd->release	= video_device_release,
 	vfd->lock	= &dev->mfc_mutex;
 	vfd->v4l2_dev	= &dev->v4l2_dev;
+	vfd->vfl_dir	= VFL_DIR_M2M;
 	snprintf(vfd->name, sizeof(vfd->name), "%s", S5P_MFC_ENC_NAME);
 	dev->vfd_enc	= vfd;
 	ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
@@ -1160,6 +1177,10 @@ static int s5p_mfc_probe(struct platform_device *pdev)
 	dev->watchdog_timer.data = (unsigned long)dev;
 	dev->watchdog_timer.function = s5p_mfc_watchdog;
 
+	/* Initialize HW ops and commands based on MFC version */
+	s5p_mfc_init_hw_ops(dev);
+	s5p_mfc_init_hw_cmds(dev);
+
 	pr_debug("%s--\n", __func__);
 	return 0;
 
@@ -1280,9 +1301,78 @@ static const struct dev_pm_ops s5p_mfc_pm_ops = {
 			   NULL)
 };
 
+struct s5p_mfc_buf_size_v5 mfc_buf_size_v5 = {
+	.h264_ctx	= MFC_H264_CTX_BUF_SIZE,
+	.non_h264_ctx	= MFC_CTX_BUF_SIZE,
+	.dsc		= DESC_BUF_SIZE,
+	.shm		= SHARED_BUF_SIZE,
+};
+
+struct s5p_mfc_buf_size buf_size_v5 = {
+	.fw	= MAX_FW_SIZE,
+	.cpb	= MAX_CPB_SIZE,
+	.priv	= &mfc_buf_size_v5,
+};
+
+struct s5p_mfc_buf_align mfc_buf_align_v5 = {
+	.base = MFC_BASE_ALIGN_ORDER,
+};
+
+static struct s5p_mfc_variant mfc_drvdata_v5 = {
+	.version	= MFC_VERSION,
+	.port_num	= MFC_NUM_PORTS,
+	.buf_size	= &buf_size_v5,
+	.buf_align	= &mfc_buf_align_v5,
+	.mclk_name	= "sclk_mfc",
+	.fw_name	= "s5p-mfc.fw",
+};
+
+struct s5p_mfc_buf_size_v6 mfc_buf_size_v6 = {
+	.dev_ctx	= MFC_CTX_BUF_SIZE_V6,
+	.h264_dec_ctx	= MFC_H264_DEC_CTX_BUF_SIZE_V6,
+	.other_dec_ctx	= MFC_OTHER_DEC_CTX_BUF_SIZE_V6,
+	.h264_enc_ctx	= MFC_H264_ENC_CTX_BUF_SIZE_V6,
+	.other_enc_ctx	= MFC_OTHER_ENC_CTX_BUF_SIZE_V6,
+};
+
+struct s5p_mfc_buf_size buf_size_v6 = {
+	.fw	= MAX_FW_SIZE_V6,
+	.cpb	= MAX_CPB_SIZE_V6,
+	.priv	= &mfc_buf_size_v6,
+};
+
+struct s5p_mfc_buf_align mfc_buf_align_v6 = {
+	.base = 0,
+};
+
+static struct s5p_mfc_variant mfc_drvdata_v6 = {
+	.version	= MFC_VERSION_V6,
+	.port_num	= MFC_NUM_PORTS_V6,
+	.buf_size	= &buf_size_v6,
+	.buf_align	= &mfc_buf_align_v6,
+	.mclk_name      = "aclk_333",
+	.fw_name        = "s5p-mfc-v6.fw",
+};
+
+static struct platform_device_id mfc_driver_ids[] = {
+	{
+		.name = "s5p-mfc",
+		.driver_data = (unsigned long)&mfc_drvdata_v5,
+	}, {
+		.name = "s5p-mfc-v5",
+		.driver_data = (unsigned long)&mfc_drvdata_v5,
+	}, {
+		.name = "s5p-mfc-v6",
+		.driver_data = (unsigned long)&mfc_drvdata_v6,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(platform, mfc_driver_ids);
+
 static struct platform_driver s5p_mfc_driver = {
-	.probe	= s5p_mfc_probe,
-	.remove	= __devexit_p(s5p_mfc_remove),
+	.probe		= s5p_mfc_probe,
+	.remove		= __devexit_p(s5p_mfc_remove),
+	.id_table	= mfc_driver_ids,
 	.driver	= {
 		.name	= S5P_MFC_NAME,
 		.owner	= THIS_MODULE,
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c
index 91a415573bd..f0a41c95df8 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c
@@ -1,7 +1,7 @@
 /*
  * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.c
  *
- * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
  *
  * This program is free software; you can redistribute it and/or modify
@@ -10,111 +10,20 @@
  * (at your option) any later version.
  */
 
-#include "regs-mfc.h"
 #include "s5p_mfc_cmd.h"
 #include "s5p_mfc_common.h"
 #include "s5p_mfc_debug.h"
+#include "s5p_mfc_cmd_v5.h"
+#include "s5p_mfc_cmd_v6.h"
 
-/* This function is used to send a command to the MFC */
-static int s5p_mfc_cmd_host2risc(struct s5p_mfc_dev *dev, int cmd,
-						struct s5p_mfc_cmd_args *args)
-{
-	int cur_cmd;
-	unsigned long timeout;
-
-	timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT);
-	/* wait until host to risc command register becomes 'H2R_CMD_EMPTY' */
-	do {
-		if (time_after(jiffies, timeout)) {
-			mfc_err("Timeout while waiting for hardware\n");
-			return -EIO;
-		}
-		cur_cmd = mfc_read(dev, S5P_FIMV_HOST2RISC_CMD);
-	} while (cur_cmd != S5P_FIMV_H2R_CMD_EMPTY);
-	mfc_write(dev, args->arg[0], S5P_FIMV_HOST2RISC_ARG1);
-	mfc_write(dev, args->arg[1], S5P_FIMV_HOST2RISC_ARG2);
-	mfc_write(dev, args->arg[2], S5P_FIMV_HOST2RISC_ARG3);
-	mfc_write(dev, args->arg[3], S5P_FIMV_HOST2RISC_ARG4);
-	/* Issue the command */
-	mfc_write(dev, cmd, S5P_FIMV_HOST2RISC_CMD);
-	return 0;
-}
-
-/* Initialize the MFC */
-int s5p_mfc_sys_init_cmd(struct s5p_mfc_dev *dev)
-{
-	struct s5p_mfc_cmd_args h2r_args;
-
-	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
-	h2r_args.arg[0] = dev->fw_size;
-	return s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_SYS_INIT, &h2r_args);
-}
-
-/* Suspend the MFC hardware */
-int s5p_mfc_sleep_cmd(struct s5p_mfc_dev *dev)
-{
-	struct s5p_mfc_cmd_args h2r_args;
-
-	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
-	return s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_SLEEP, &h2r_args);
-}
+static struct s5p_mfc_hw_cmds *s5p_mfc_cmds;
 
-/* Wake up the MFC hardware */
-int s5p_mfc_wakeup_cmd(struct s5p_mfc_dev *dev)
+void s5p_mfc_init_hw_cmds(struct s5p_mfc_dev *dev)
 {
-	struct s5p_mfc_cmd_args h2r_args;
+	if (IS_MFCV6(dev))
+		s5p_mfc_cmds = s5p_mfc_init_hw_cmds_v6();
+	else
+		s5p_mfc_cmds = s5p_mfc_init_hw_cmds_v5();
 
-	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
-	return s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_WAKEUP, &h2r_args);
+	dev->mfc_cmds = s5p_mfc_cmds;
 }
-
-
-int s5p_mfc_open_inst_cmd(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	struct s5p_mfc_cmd_args h2r_args;
-	int ret;
-
-	/* Preparing decoding - getting instance number */
-	mfc_debug(2, "Getting instance number (codec: %d)\n", ctx->codec_mode);
-	dev->curr_ctx = ctx->num;
-	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
-	h2r_args.arg[0] = ctx->codec_mode;
-	h2r_args.arg[1] = 0; /* no crc & no pixelcache */
-	h2r_args.arg[2] = ctx->ctx_ofs;
-	h2r_args.arg[3] = ctx->ctx_size;
-	ret = s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_OPEN_INSTANCE,
-								&h2r_args);
-	if (ret) {
-		mfc_err("Failed to create a new instance\n");
-		ctx->state = MFCINST_ERROR;
-	}
-	return ret;
-}
-
-int s5p_mfc_close_inst_cmd(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	struct s5p_mfc_cmd_args h2r_args;
-	int ret;
-
-	if (ctx->state == MFCINST_FREE) {
-		mfc_err("Instance already returned\n");
-		ctx->state = MFCINST_ERROR;
-		return -EINVAL;
-	}
-	/* Closing decoding instance  */
-	mfc_debug(2, "Returning instance number %d\n", ctx->inst_no);
-	dev->curr_ctx = ctx->num;
-	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
-	h2r_args.arg[0] = ctx->inst_no;
-	ret = s5p_mfc_cmd_host2risc(dev, S5P_FIMV_H2R_CMD_CLOSE_INSTANCE,
-								&h2r_args);
-	if (ret) {
-		mfc_err("Failed to return an instance\n");
-		ctx->state = MFCINST_ERROR;
-		return -EINVAL;
-	}
-	return 0;
-}
-
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.h b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.h
index 8b090d3723e..282e6c78070 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.h
@@ -1,7 +1,7 @@
 /*
  * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd.h
  *
- * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
  *
  * This program is free software; you can redistribute it and/or modify
@@ -21,10 +21,15 @@ struct s5p_mfc_cmd_args {
 	unsigned int	arg[MAX_H2R_ARG];
 };
 
-int s5p_mfc_sys_init_cmd(struct s5p_mfc_dev *dev);
-int s5p_mfc_sleep_cmd(struct s5p_mfc_dev *dev);
-int s5p_mfc_wakeup_cmd(struct s5p_mfc_dev *dev);
-int s5p_mfc_open_inst_cmd(struct s5p_mfc_ctx *ctx);
-int s5p_mfc_close_inst_cmd(struct s5p_mfc_ctx *ctx);
+struct s5p_mfc_hw_cmds {
+	int (*cmd_host2risc)(struct s5p_mfc_dev *dev, int cmd,
+				struct s5p_mfc_cmd_args *args);
+	int (*sys_init_cmd)(struct s5p_mfc_dev *dev);
+	int (*sleep_cmd)(struct s5p_mfc_dev *dev);
+	int (*wakeup_cmd)(struct s5p_mfc_dev *dev);
+	int (*open_inst_cmd)(struct s5p_mfc_ctx *ctx);
+	int (*close_inst_cmd)(struct s5p_mfc_ctx *ctx);
+};
 
+void s5p_mfc_init_hw_cmds(struct s5p_mfc_dev *dev);
 #endif /* S5P_MFC_CMD_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.c
new file mode 100644
index 00000000000..138778083c6
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.c
@@ -0,0 +1,166 @@
+/*
+ * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.c
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include "regs-mfc.h"
+#include "s5p_mfc_cmd.h"
+#include "s5p_mfc_common.h"
+#include "s5p_mfc_debug.h"
+
+/* This function is used to send a command to the MFC */
+int s5p_mfc_cmd_host2risc_v5(struct s5p_mfc_dev *dev, int cmd,
+				struct s5p_mfc_cmd_args *args)
+{
+	int cur_cmd;
+	unsigned long timeout;
+
+	timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT);
+	/* wait until host to risc command register becomes 'H2R_CMD_EMPTY' */
+	do {
+		if (time_after(jiffies, timeout)) {
+			mfc_err("Timeout while waiting for hardware\n");
+			return -EIO;
+		}
+		cur_cmd = mfc_read(dev, S5P_FIMV_HOST2RISC_CMD);
+	} while (cur_cmd != S5P_FIMV_H2R_CMD_EMPTY);
+	mfc_write(dev, args->arg[0], S5P_FIMV_HOST2RISC_ARG1);
+	mfc_write(dev, args->arg[1], S5P_FIMV_HOST2RISC_ARG2);
+	mfc_write(dev, args->arg[2], S5P_FIMV_HOST2RISC_ARG3);
+	mfc_write(dev, args->arg[3], S5P_FIMV_HOST2RISC_ARG4);
+	/* Issue the command */
+	mfc_write(dev, cmd, S5P_FIMV_HOST2RISC_CMD);
+	return 0;
+}
+
+/* Initialize the MFC */
+int s5p_mfc_sys_init_cmd_v5(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_cmd_args h2r_args;
+
+	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
+	h2r_args.arg[0] = dev->fw_size;
+	return s5p_mfc_cmd_host2risc_v5(dev, S5P_FIMV_H2R_CMD_SYS_INIT,
+			&h2r_args);
+}
+
+/* Suspend the MFC hardware */
+int s5p_mfc_sleep_cmd_v5(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_cmd_args h2r_args;
+
+	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
+	return s5p_mfc_cmd_host2risc_v5(dev, S5P_FIMV_H2R_CMD_SLEEP, &h2r_args);
+}
+
+/* Wake up the MFC hardware */
+int s5p_mfc_wakeup_cmd_v5(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_cmd_args h2r_args;
+
+	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
+	return s5p_mfc_cmd_host2risc_v5(dev, S5P_FIMV_H2R_CMD_WAKEUP,
+			&h2r_args);
+}
+
+
+int s5p_mfc_open_inst_cmd_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_cmd_args h2r_args;
+	int ret;
+
+	/* Preparing decoding - getting instance number */
+	mfc_debug(2, "Getting instance number (codec: %d)\n", ctx->codec_mode);
+	dev->curr_ctx = ctx->num;
+	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
+	switch (ctx->codec_mode) {
+	case S5P_MFC_CODEC_H264_DEC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_H264_DEC;
+		break;
+	case S5P_MFC_CODEC_VC1_DEC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_VC1_DEC;
+		break;
+	case S5P_MFC_CODEC_MPEG4_DEC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_MPEG4_DEC;
+		break;
+	case S5P_MFC_CODEC_MPEG2_DEC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_MPEG2_DEC;
+		break;
+	case S5P_MFC_CODEC_H263_DEC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_H263_DEC;
+		break;
+	case S5P_MFC_CODEC_VC1RCV_DEC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_VC1RCV_DEC;
+		break;
+	case S5P_MFC_CODEC_H264_ENC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_H264_ENC;
+		break;
+	case S5P_MFC_CODEC_MPEG4_ENC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_MPEG4_ENC;
+		break;
+	case S5P_MFC_CODEC_H263_ENC:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_H263_ENC;
+		break;
+	default:
+		h2r_args.arg[0] = S5P_FIMV_CODEC_NONE;
+	};
+	h2r_args.arg[1] = 0; /* no crc & no pixelcache */
+	h2r_args.arg[2] = ctx->ctx.ofs;
+	h2r_args.arg[3] = ctx->ctx.size;
+	ret = s5p_mfc_cmd_host2risc_v5(dev, S5P_FIMV_H2R_CMD_OPEN_INSTANCE,
+								&h2r_args);
+	if (ret) {
+		mfc_err("Failed to create a new instance\n");
+		ctx->state = MFCINST_ERROR;
+	}
+	return ret;
+}
+
+int s5p_mfc_close_inst_cmd_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_cmd_args h2r_args;
+	int ret;
+
+	if (ctx->state == MFCINST_FREE) {
+		mfc_err("Instance already returned\n");
+		ctx->state = MFCINST_ERROR;
+		return -EINVAL;
+	}
+	/* Closing decoding instance  */
+	mfc_debug(2, "Returning instance number %d\n", ctx->inst_no);
+	dev->curr_ctx = ctx->num;
+	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
+	h2r_args.arg[0] = ctx->inst_no;
+	ret = s5p_mfc_cmd_host2risc_v5(dev, S5P_FIMV_H2R_CMD_CLOSE_INSTANCE,
+								&h2r_args);
+	if (ret) {
+		mfc_err("Failed to return an instance\n");
+		ctx->state = MFCINST_ERROR;
+		return -EINVAL;
+	}
+	return 0;
+}
+
+/* Initialize cmd function pointers for MFC v5 */
+static struct s5p_mfc_hw_cmds s5p_mfc_cmds_v5 = {
+	.cmd_host2risc = s5p_mfc_cmd_host2risc_v5,
+	.sys_init_cmd = s5p_mfc_sys_init_cmd_v5,
+	.sleep_cmd = s5p_mfc_sleep_cmd_v5,
+	.wakeup_cmd = s5p_mfc_wakeup_cmd_v5,
+	.open_inst_cmd = s5p_mfc_open_inst_cmd_v5,
+	.close_inst_cmd = s5p_mfc_close_inst_cmd_v5,
+};
+
+struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v5(void)
+{
+	return &s5p_mfc_cmds_v5;
+}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.h b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.h
new file mode 100644
index 00000000000..6928a5514c1
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.h
@@ -0,0 +1,20 @@
+/*
+ * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v5.h
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef S5P_MFC_CMD_V5_H_
+#define S5P_MFC_CMD_V5_H_
+
+#include "s5p_mfc_common.h"
+
+struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v5(void);
+
+#endif /* S5P_MFC_CMD_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
new file mode 100644
index 00000000000..754bfbcb1c4
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
@@ -0,0 +1,156 @@
+/*
+ * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include "s5p_mfc_common.h"
+
+#include "s5p_mfc_cmd.h"
+#include "s5p_mfc_debug.h"
+#include "s5p_mfc_intr.h"
+#include "s5p_mfc_opr.h"
+
+int s5p_mfc_cmd_host2risc_v6(struct s5p_mfc_dev *dev, int cmd,
+				struct s5p_mfc_cmd_args *args)
+{
+	mfc_debug(2, "Issue the command: %d\n", cmd);
+
+	/* Reset RISC2HOST command */
+	mfc_write(dev, 0x0, S5P_FIMV_RISC2HOST_CMD_V6);
+
+	/* Issue the command */
+	mfc_write(dev, cmd, S5P_FIMV_HOST2RISC_CMD_V6);
+	mfc_write(dev, 0x1, S5P_FIMV_HOST2RISC_INT_V6);
+
+	return 0;
+}
+
+int s5p_mfc_sys_init_cmd_v6(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_cmd_args h2r_args;
+	struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
+
+	s5p_mfc_hw_call(dev->mfc_ops, alloc_dev_context_buffer, dev);
+	mfc_write(dev, dev->ctx_buf.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
+	mfc_write(dev, buf_size->dev_ctx, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
+	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SYS_INIT_V6,
+					&h2r_args);
+}
+
+int s5p_mfc_sleep_cmd_v6(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_cmd_args h2r_args;
+
+	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
+	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SLEEP_V6,
+			&h2r_args);
+}
+
+int s5p_mfc_wakeup_cmd_v6(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_cmd_args h2r_args;
+
+	memset(&h2r_args, 0, sizeof(struct s5p_mfc_cmd_args));
+	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_WAKEUP_V6,
+					&h2r_args);
+}
+
+/* Open a new instance and get its number */
+int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_cmd_args h2r_args;
+	int codec_type;
+
+	mfc_debug(2, "Requested codec mode: %d\n", ctx->codec_mode);
+	dev->curr_ctx = ctx->num;
+	switch (ctx->codec_mode) {
+	case S5P_MFC_CODEC_H264_DEC:
+		codec_type = S5P_FIMV_CODEC_H264_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_H264_MVC_DEC:
+		codec_type = S5P_FIMV_CODEC_H264_MVC_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_VC1_DEC:
+		codec_type = S5P_FIMV_CODEC_VC1_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_MPEG4_DEC:
+		codec_type = S5P_FIMV_CODEC_MPEG4_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_MPEG2_DEC:
+		codec_type = S5P_FIMV_CODEC_MPEG2_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_H263_DEC:
+		codec_type = S5P_FIMV_CODEC_H263_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_VC1RCV_DEC:
+		codec_type = S5P_FIMV_CODEC_VC1RCV_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_VP8_DEC:
+		codec_type = S5P_FIMV_CODEC_VP8_DEC_V6;
+		break;
+	case S5P_MFC_CODEC_H264_ENC:
+		codec_type = S5P_FIMV_CODEC_H264_ENC_V6;
+		break;
+	case S5P_MFC_CODEC_H264_MVC_ENC:
+		codec_type = S5P_FIMV_CODEC_H264_MVC_ENC_V6;
+		break;
+	case S5P_MFC_CODEC_MPEG4_ENC:
+		codec_type = S5P_FIMV_CODEC_MPEG4_ENC_V6;
+		break;
+	case S5P_MFC_CODEC_H263_ENC:
+		codec_type = S5P_FIMV_CODEC_H263_ENC_V6;
+		break;
+	default:
+		codec_type = S5P_FIMV_CODEC_NONE_V6;
+	};
+	mfc_write(dev, codec_type, S5P_FIMV_CODEC_TYPE_V6);
+	mfc_write(dev, ctx->ctx.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
+	mfc_write(dev, ctx->ctx.size, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
+	mfc_write(dev, 0, S5P_FIMV_D_CRC_CTRL_V6); /* no crc */
+
+	return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_OPEN_INSTANCE_V6,
+					&h2r_args);
+}
+
+/* Close instance */
+int s5p_mfc_close_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_cmd_args h2r_args;
+	int ret = 0;
+
+	dev->curr_ctx = ctx->num;
+	if (ctx->state != MFCINST_FREE) {
+		mfc_write(dev, ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
+		ret = s5p_mfc_cmd_host2risc_v6(dev,
+					S5P_FIMV_H2R_CMD_CLOSE_INSTANCE_V6,
+					&h2r_args);
+	} else {
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+/* Initialize cmd function pointers for MFC v6 */
+static struct s5p_mfc_hw_cmds s5p_mfc_cmds_v6 = {
+	.cmd_host2risc = s5p_mfc_cmd_host2risc_v6,
+	.sys_init_cmd = s5p_mfc_sys_init_cmd_v6,
+	.sleep_cmd = s5p_mfc_sleep_cmd_v6,
+	.wakeup_cmd = s5p_mfc_wakeup_cmd_v6,
+	.open_inst_cmd = s5p_mfc_open_inst_cmd_v6,
+	.close_inst_cmd = s5p_mfc_close_inst_cmd_v6,
+};
+
+struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v6(void)
+{
+	return &s5p_mfc_cmds_v6;
+}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.h b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.h
new file mode 100644
index 00000000000..b7a8e57837b
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.h
@@ -0,0 +1,20 @@
+/*
+ * linux/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.h
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef S5P_MFC_CMD_V6_H_
+#define S5P_MFC_CMD_V6_H_
+
+#include "s5p_mfc_common.h"
+
+struct s5p_mfc_hw_cmds *s5p_mfc_init_hw_cmds_v6(void);
+
+#endif /* S5P_MFC_CMD_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 519b0d66d8d..f02e0497ca9 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -16,13 +16,14 @@
 #ifndef S5P_MFC_COMMON_H_
 #define S5P_MFC_COMMON_H_
 
-#include "regs-mfc.h"
 #include <linux/platform_device.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
 #include <media/videobuf2-core.h>
+#include "regs-mfc.h"
+#include "regs-mfc-v6.h"
 
 /* Definitions related to MFC memory */
 
@@ -30,17 +31,6 @@
 *  while mmaping */
 #define DST_QUEUE_OFF_BASE      (TASK_SIZE / 2)
 
-/* Offset used by the hardware to store addresses */
-#define MFC_OFFSET_SHIFT	11
-
-#define FIRMWARE_ALIGN		0x20000		/* 128KB */
-#define MFC_H264_CTX_BUF_SIZE	0x96000		/* 600KB per H264 instance */
-#define MFC_CTX_BUF_SIZE	0x2800		/* 10KB per instance */
-#define DESC_BUF_SIZE		0x20000		/* 128KB for DESC buffer */
-#define SHARED_BUF_SIZE		0x2000		/* 8KB for shared buffer */
-
-#define DEF_CPB_SIZE		0x40000		/* 512KB */
-
 #define MFC_BANK1_ALLOC_CTX	0
 #define MFC_BANK2_ALLOC_CTX	1
 
@@ -74,7 +64,40 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
 #define MFC_ENC_CAP_PLANE_COUNT	1
 #define MFC_ENC_OUT_PLANE_COUNT	2
 #define STUFF_BYTE		4
-#define MFC_MAX_CTRLS		64
+#define MFC_MAX_CTRLS		70
+
+#define S5P_MFC_CODEC_NONE		-1
+#define S5P_MFC_CODEC_H264_DEC		0
+#define S5P_MFC_CODEC_H264_MVC_DEC	1
+#define S5P_MFC_CODEC_VC1_DEC		2
+#define S5P_MFC_CODEC_MPEG4_DEC		3
+#define S5P_MFC_CODEC_MPEG2_DEC		4
+#define S5P_MFC_CODEC_H263_DEC		5
+#define S5P_MFC_CODEC_VC1RCV_DEC	6
+#define S5P_MFC_CODEC_VP8_DEC		7
+
+#define S5P_MFC_CODEC_H264_ENC		20
+#define S5P_MFC_CODEC_H264_MVC_ENC	21
+#define S5P_MFC_CODEC_MPEG4_ENC		22
+#define S5P_MFC_CODEC_H263_ENC		23
+
+#define S5P_MFC_R2H_CMD_EMPTY			0
+#define S5P_MFC_R2H_CMD_SYS_INIT_RET		1
+#define S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET	2
+#define S5P_MFC_R2H_CMD_SEQ_DONE_RET		3
+#define S5P_MFC_R2H_CMD_INIT_BUFFERS_RET	4
+#define S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET	6
+#define S5P_MFC_R2H_CMD_SLEEP_RET		7
+#define S5P_MFC_R2H_CMD_WAKEUP_RET		8
+#define S5P_MFC_R2H_CMD_COMPLETE_SEQ_RET	9
+#define S5P_MFC_R2H_CMD_DPB_FLUSH_RET		10
+#define S5P_MFC_R2H_CMD_NAL_ABORT_RET		11
+#define S5P_MFC_R2H_CMD_FW_STATUS_RET		12
+#define S5P_MFC_R2H_CMD_FRAME_DONE_RET		13
+#define S5P_MFC_R2H_CMD_FIELD_DONE_RET		14
+#define S5P_MFC_R2H_CMD_SLICE_DONE_RET		15
+#define S5P_MFC_R2H_CMD_ENC_BUFFER_FUL_RET	16
+#define S5P_MFC_R2H_CMD_ERR_RET			32
 
 #define mfc_read(dev, offset)		readl(dev->regs_base + (offset))
 #define mfc_write(dev, data, offset)	writel((data), dev->regs_base + \
@@ -177,6 +200,58 @@ struct s5p_mfc_pm {
 	struct device	*device;
 };
 
+struct s5p_mfc_buf_size_v5 {
+	unsigned int h264_ctx;
+	unsigned int non_h264_ctx;
+	unsigned int dsc;
+	unsigned int shm;
+};
+
+struct s5p_mfc_buf_size_v6 {
+	unsigned int dev_ctx;
+	unsigned int h264_dec_ctx;
+	unsigned int other_dec_ctx;
+	unsigned int h264_enc_ctx;
+	unsigned int other_enc_ctx;
+};
+
+struct s5p_mfc_buf_size {
+	unsigned int fw;
+	unsigned int cpb;
+	void *priv;
+};
+
+struct s5p_mfc_buf_align {
+	unsigned int base;
+};
+
+struct s5p_mfc_variant {
+	unsigned int version;
+	unsigned int port_num;
+	struct s5p_mfc_buf_size *buf_size;
+	struct s5p_mfc_buf_align *buf_align;
+	char	*mclk_name;
+	char	*fw_name;
+};
+
+/**
+ * struct s5p_mfc_priv_buf - represents internal used buffer
+ * @alloc:		allocation-specific context for each buffer
+ *			(videobuf2 allocator)
+ * @ofs:		offset of each buffer, will be used for MFC
+ * @virt:		kernel virtual address, only valid when the
+ *			buffer accessed by driver
+ * @dma:		DMA address, only valid when kernel DMA API used
+ * @size:		size of the buffer
+ */
+struct s5p_mfc_priv_buf {
+	void		*alloc;
+	unsigned long	ofs;
+	void		*virt;
+	dma_addr_t	dma;
+	size_t		size;
+};
+
 /**
  * struct s5p_mfc_dev - The struct containing driver internal parameters.
  *
@@ -191,6 +266,7 @@ struct s5p_mfc_pm {
  * @dec_ctrl_handler:	control framework handler for decoding
  * @enc_ctrl_handler:	control framework handler for encoding
  * @pm:			power management control
+ * @variant:		MFC hardware variant information
  * @num_inst:		couter of active MFC instances
  * @irqlock:		lock for operations on videobuf2 queues
  * @condlock:		lock for changing/checking if a context is ready to be
@@ -212,6 +288,10 @@ struct s5p_mfc_pm {
  * @watchdog_work:	worker for the watchdog
  * @alloc_ctx:		videobuf2 allocator contexts for two memory banks
  * @enter_suspend:	flag set when entering suspend
+ * @ctx_buf:		common context memory (MFCv6)
+ * @warn_start:		hardware error code from which warnings start
+ * @mfc_ops:		ops structure holding HW operation function pointers
+ * @mfc_cmds:		cmd structure holding HW commands function pointers
  *
  */
 struct s5p_mfc_dev {
@@ -226,6 +306,7 @@ struct s5p_mfc_dev {
 	struct v4l2_ctrl_handler dec_ctrl_handler;
 	struct v4l2_ctrl_handler enc_ctrl_handler;
 	struct s5p_mfc_pm	pm;
+	struct s5p_mfc_variant	*variant;
 	int num_inst;
 	spinlock_t irqlock;	/* lock when operating on videobuf2 queues */
 	spinlock_t condlock;	/* lock when changing/checking if a context is
@@ -248,6 +329,11 @@ struct s5p_mfc_dev {
 	struct work_struct watchdog_work;
 	void *alloc_ctx[2];
 	unsigned long enter_suspend;
+
+	struct s5p_mfc_priv_buf ctx_buf;
+	int warn_start;
+	struct s5p_mfc_hw_ops *mfc_ops;
+	struct s5p_mfc_hw_cmds *mfc_cmds;
 };
 
 /**
@@ -262,7 +348,6 @@ struct s5p_mfc_h264_enc_params {
 	u8 max_ref_pic;
 	u8 num_ref_pic_4p;
 	int _8x8_transform;
-	int rc_mb;
 	int rc_mb_dark;
 	int rc_mb_smooth;
 	int rc_mb_static;
@@ -281,6 +366,23 @@ struct s5p_mfc_h264_enc_params {
 	enum v4l2_mpeg_video_h264_level level_v4l2;
 	int level;
 	u16 cpb_size;
+	int interlace;
+	u8 hier_qp;
+	u8 hier_qp_type;
+	u8 hier_qp_layer;
+	u8 hier_qp_layer_qp[7];
+	u8 sei_frame_packing;
+	u8 sei_fp_curr_frame_0;
+	u8 sei_fp_arrangement_type;
+
+	u8 fmo;
+	u8 fmo_map_type;
+	u8 fmo_slice_grp;
+	u8 fmo_chg_dir;
+	u32 fmo_chg_rate;
+	u32 fmo_run_len[4];
+	u8 aso;
+	u32 aso_slice_order[8];
 };
 
 /**
@@ -319,9 +421,11 @@ struct s5p_mfc_enc_params {
 	u8 pad_cb;
 	u8 pad_cr;
 	int rc_frame;
+	int rc_mb;
 	u32 rc_bitrate;
 	u16 rc_reaction_coeff;
 	u16 vbv_size;
+	u32 vbv_delay;
 
 	enum v4l2_mpeg_video_header_mode seq_hdr_mode;
 	enum v4l2_mpeg_mfc51_video_frame_skip_mode frame_skip_mode;
@@ -330,7 +434,6 @@ struct s5p_mfc_enc_params {
 	u8 num_b_frame;
 	u32 rc_framerate_num;
 	u32 rc_framerate_denom;
-	int interlace;
 
 	union {
 		struct s5p_mfc_h264_enc_params h264;
@@ -388,6 +491,8 @@ struct s5p_mfc_codec_ops {
  *			decoding buffer
  * @dpb_flush_flag:	flag used to indicate that a DPB buffers are being
  *			flushed
+ * @head_processed:	flag mentioning whether the header data is processed
+ *			completely or not
  * @bank1_buf:		handle to memory allocated for temporary buffers from
  *			memory bank 1
  * @bank1_phys:		address of the temporary buffers from memory bank 1
@@ -412,19 +517,20 @@ struct s5p_mfc_codec_ops {
  * @display_delay_enable:	display delay for H264 enable flag
  * @after_packed_pb:	flag used to track buffer when stream is in
  *			Packed PB format
+ * @sei_fp_parse:	enable/disable parsing of frame packing SEI information
  * @dpb_count:		count of the DPB buffers required by MFC hw
  * @total_dpb_count:	count of DPB buffers with additional buffers
  *			requested by the application
- * @ctx_buf:		handle to the memory associated with this context
- * @ctx_phys:		address of the memory associated with this context
- * @ctx_size:		size of the memory associated with this context
- * @desc_buf:		description buffer for decoding handle
- * @desc_phys:		description buffer for decoding address
- * @shm_alloc:		handle for the shared memory buffer
- * @shm:		virtual address for the shared memory buffer
- * @shm_ofs:		address offset for shared memory
+ * @ctx:		context buffer information
+ * @dsc:		descriptor buffer information
+ * @shm:		shared memory buffer information
+ * @mv_count:		number of MV buffers allocated for decoding
  * @enc_params:		encoding parameters for MFC
  * @enc_dst_buf_size:	size of the buffers for encoder output
+ * @luma_dpb_size:	dpb buffer size for luma
+ * @chroma_dpb_size:	dpb buffer size for chroma
+ * @me_buffer_size:	size of the motion estimation buffer
+ * @tmv_buffer_size:	size of temporal predictor motion vector buffer
  * @frame_type:		used to force the type of the next encoded frame
  * @ref_queue:		list of the reference buffers for encoding
  * @ref_queue_cnt:	number of the buffers in the reference list
@@ -473,6 +579,7 @@ struct s5p_mfc_ctx {
 	unsigned long consumed_stream;
 
 	unsigned int dpb_flush_flag;
+	unsigned int head_processed;
 
 	/* Buffers */
 	void *bank1_buf;
@@ -502,37 +609,41 @@ struct s5p_mfc_ctx {
 	int display_delay;
 	int display_delay_enable;
 	int after_packed_pb;
+	int sei_fp_parse;
 
 	int dpb_count;
 	int total_dpb_count;
-
+	int mv_count;
 	/* Buffers */
-	void *ctx_buf;
-	size_t ctx_phys;
-	size_t ctx_ofs;
-	size_t ctx_size;
-
-	void *desc_buf;
-	size_t desc_phys;
-
-
-	void *shm_alloc;
-	void *shm;
-	size_t shm_ofs;
+	struct s5p_mfc_priv_buf ctx;
+	struct s5p_mfc_priv_buf dsc;
+	struct s5p_mfc_priv_buf shm;
 
 	struct s5p_mfc_enc_params enc_params;
 
 	size_t enc_dst_buf_size;
+	size_t luma_dpb_size;
+	size_t chroma_dpb_size;
+	size_t me_buffer_size;
+	size_t tmv_buffer_size;
 
 	enum v4l2_mpeg_mfc51_video_force_frame_type force_frame_type;
 
 	struct list_head ref_queue;
 	unsigned int ref_queue_cnt;
 
+	enum v4l2_mpeg_video_multi_slice_mode slice_mode;
+	union {
+		unsigned int mb;
+		unsigned int bits;
+	} slice_size;
+
 	struct s5p_mfc_codec_ops *c_ops;
 
 	struct v4l2_ctrl *ctrls[MFC_MAX_CTRLS];
 	struct v4l2_ctrl_handler ctrl_handler;
+	unsigned int frame_tag;
+	size_t scratch_buf_size;
 };
 
 /*
@@ -565,6 +676,9 @@ struct mfc_control {
 	__u8			is_volatile;
 };
 
+/* Macro for making hardware specific calls */
+#define s5p_mfc_hw_call(f, op, args...) \
+	((f && f->op) ? f->op(args) : -ENODEV)
 
 #define fh_to_ctx(__fh) container_of(__fh, struct s5p_mfc_ctx, fh)
 #define ctrl_to_ctx(__ctrl) \
@@ -575,4 +689,9 @@ void set_work_bit(struct s5p_mfc_ctx *ctx);
 void clear_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
 void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
 
+#define HAS_PORTNUM(dev)	(dev ? (dev->variant ? \
+				(dev->variant->port_num ? 1 : 0) : 0) : 0)
+#define IS_TWOPORT(dev)		(dev->variant->port_num == 2 ? 1 : 0)
+#define IS_MFCV6(dev)		(dev->variant->version >= 0x60 ? 1 : 0)
+
 #endif /* S5P_MFC_COMMON_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
index 0deba6bc687..585b7b0ed8e 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
@@ -15,11 +15,11 @@
 #include <linux/firmware.h>
 #include <linux/jiffies.h>
 #include <linux/sched.h>
-#include "regs-mfc.h"
 #include "s5p_mfc_cmd.h"
 #include "s5p_mfc_common.h"
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_intr.h"
+#include "s5p_mfc_opr.h"
 #include "s5p_mfc_pm.h"
 
 static void *s5p_mfc_bitproc_buf;
@@ -37,13 +37,19 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
 	/* Firmare has to be present as a separate file or compiled
 	 * into kernel. */
 	mfc_debug_enter();
+
 	err = request_firmware((const struct firmware **)&fw_blob,
-				     "s5p-mfc.fw", dev->v4l2_dev.dev);
+				     dev->variant->fw_name, dev->v4l2_dev.dev);
 	if (err != 0) {
 		mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n");
 		return -EINVAL;
 	}
-	dev->fw_size = ALIGN(fw_blob->size, FIRMWARE_ALIGN);
+	dev->fw_size = dev->variant->buf_size->fw;
+	if (fw_blob->size > dev->fw_size) {
+		mfc_err("MFC firmware is too big to be loaded\n");
+		release_firmware(fw_blob);
+		return -ENOMEM;
+	}
 	if (s5p_mfc_bitproc_buf) {
 		mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n");
 		release_firmware(fw_blob);
@@ -77,32 +83,37 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
 		return -EIO;
 	}
 	dev->bank1 = s5p_mfc_bitproc_phys;
-	b_base = vb2_dma_contig_memops.alloc(
-		dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], 1 << MFC_BASE_ALIGN_ORDER);
-	if (IS_ERR(b_base)) {
-		vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
-		s5p_mfc_bitproc_phys = 0;
-		s5p_mfc_bitproc_buf = NULL;
-		mfc_err("Allocating bank2 base failed\n");
-	release_firmware(fw_blob);
-		return -ENOMEM;
-	}
-	bank2_base_phys = s5p_mfc_mem_cookie(
-		dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base);
-	vb2_dma_contig_memops.put(b_base);
-	if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) {
-		mfc_err("The base memory for bank 2 is not aligned to 128KB\n");
-		vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
-		s5p_mfc_bitproc_phys = 0;
-		s5p_mfc_bitproc_buf = NULL;
-		release_firmware(fw_blob);
-		return -EIO;
+	if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) {
+		b_base = vb2_dma_contig_memops.alloc(
+			dev->alloc_ctx[MFC_BANK2_ALLOC_CTX],
+			1 << MFC_BASE_ALIGN_ORDER);
+		if (IS_ERR(b_base)) {
+			vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
+			s5p_mfc_bitproc_phys = 0;
+			s5p_mfc_bitproc_buf = NULL;
+			mfc_err("Allocating bank2 base failed\n");
+			release_firmware(fw_blob);
+			return -ENOMEM;
+		}
+		bank2_base_phys = s5p_mfc_mem_cookie(
+			dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base);
+		vb2_dma_contig_memops.put(b_base);
+		if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) {
+			mfc_err("The base memory for bank 2 is not aligned to 128KB\n");
+			vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
+			s5p_mfc_bitproc_phys = 0;
+			s5p_mfc_bitproc_buf = NULL;
+			release_firmware(fw_blob);
+			return -EIO;
+		}
+		/* Valid buffers passed to MFC encoder with LAST_FRAME command
+		 * should not have address of bank2 - MFC will treat it as a null frame.
+		 * To avoid such situation we set bank2 address below the pool address.
+		 */
+		dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER);
+	} else {
+		dev->bank2 = dev->bank1;
 	}
-	/* Valid buffers passed to MFC encoder with LAST_FRAME command
-	 * should not have address of bank2 - MFC will treat it as a null frame.
-	 * To avoid such situation we set bank2 address below the pool address.
-	 */
-	dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER);
 	memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size);
 	wmb();
 	release_firmware(fw_blob);
@@ -119,8 +130,9 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev)
 	/* Firmare has to be present as a separate file or compiled
 	 * into kernel. */
 	mfc_debug_enter();
+
 	err = request_firmware((const struct firmware **)&fw_blob,
-				     "s5p-mfc.fw", dev->v4l2_dev.dev);
+				     dev->variant->fw_name, dev->v4l2_dev.dev);
 	if (err != 0) {
 		mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n");
 		return -EINVAL;
@@ -161,46 +173,81 @@ int s5p_mfc_reset(struct s5p_mfc_dev *dev)
 {
 	unsigned int mc_status;
 	unsigned long timeout;
+	int i;
 
 	mfc_debug_enter();
-	/* Stop procedure */
-	/*  reset RISC */
-	mfc_write(dev, 0x3f6, S5P_FIMV_SW_RESET);
-	/*  All reset except for MC */
-	mfc_write(dev, 0x3e2, S5P_FIMV_SW_RESET);
-	mdelay(10);
-
-	timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT);
-	/* Check MC status */
-	do {
-		if (time_after(jiffies, timeout)) {
-			mfc_err("Timeout while resetting MFC\n");
-			return -EIO;
-		}
 
-		mc_status = mfc_read(dev, S5P_FIMV_MC_STATUS);
+	if (IS_MFCV6(dev)) {
+		/* Reset IP */
+		/*  except RISC, reset */
+		mfc_write(dev, 0xFEE, S5P_FIMV_MFC_RESET_V6);
+		/*  reset release */
+		mfc_write(dev, 0x0, S5P_FIMV_MFC_RESET_V6);
+
+		/* Zero Initialization of MFC registers */
+		mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD_V6);
+		mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD_V6);
+		mfc_write(dev, 0, S5P_FIMV_FW_VERSION_V6);
+
+		for (i = 0; i < S5P_FIMV_REG_CLEAR_COUNT_V6; i++)
+			mfc_write(dev, 0, S5P_FIMV_REG_CLEAR_BEGIN_V6 + (i*4));
 
-	} while (mc_status & 0x3);
+		/* Reset */
+		mfc_write(dev, 0, S5P_FIMV_RISC_ON_V6);
+		mfc_write(dev, 0x1FFF, S5P_FIMV_MFC_RESET_V6);
+		mfc_write(dev, 0, S5P_FIMV_MFC_RESET_V6);
+	} else {
+		/* Stop procedure */
+		/*  reset RISC */
+		mfc_write(dev, 0x3f6, S5P_FIMV_SW_RESET);
+		/*  All reset except for MC */
+		mfc_write(dev, 0x3e2, S5P_FIMV_SW_RESET);
+		mdelay(10);
+
+		timeout = jiffies + msecs_to_jiffies(MFC_BW_TIMEOUT);
+		/* Check MC status */
+		do {
+			if (time_after(jiffies, timeout)) {
+				mfc_err("Timeout while resetting MFC\n");
+				return -EIO;
+			}
+
+			mc_status = mfc_read(dev, S5P_FIMV_MC_STATUS);
+
+		} while (mc_status & 0x3);
+
+		mfc_write(dev, 0x0, S5P_FIMV_SW_RESET);
+		mfc_write(dev, 0x3fe, S5P_FIMV_SW_RESET);
+	}
 
-	mfc_write(dev, 0x0, S5P_FIMV_SW_RESET);
-	mfc_write(dev, 0x3fe, S5P_FIMV_SW_RESET);
 	mfc_debug_leave();
 	return 0;
 }
 
 static inline void s5p_mfc_init_memctrl(struct s5p_mfc_dev *dev)
 {
-	mfc_write(dev, dev->bank1, S5P_FIMV_MC_DRAMBASE_ADR_A);
-	mfc_write(dev, dev->bank2, S5P_FIMV_MC_DRAMBASE_ADR_B);
-	mfc_debug(2, "Bank1: %08x, Bank2: %08x\n", dev->bank1, dev->bank2);
+	if (IS_MFCV6(dev)) {
+		mfc_write(dev, dev->bank1, S5P_FIMV_RISC_BASE_ADDRESS_V6);
+		mfc_debug(2, "Base Address : %08x\n", dev->bank1);
+	} else {
+		mfc_write(dev, dev->bank1, S5P_FIMV_MC_DRAMBASE_ADR_A);
+		mfc_write(dev, dev->bank2, S5P_FIMV_MC_DRAMBASE_ADR_B);
+		mfc_debug(2, "Bank1: %08x, Bank2: %08x\n",
+				dev->bank1, dev->bank2);
+	}
 }
 
 static inline void s5p_mfc_clear_cmds(struct s5p_mfc_dev *dev)
 {
-	mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH0_INST_ID);
-	mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH1_INST_ID);
-	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD);
-	mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD);
+	if (IS_MFCV6(dev)) {
+		/* Zero initialization should be done before RESET.
+		 * Nothing to do here. */
+	} else {
+		mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH0_INST_ID);
+		mfc_write(dev, 0xffffffff, S5P_FIMV_SI_CH1_INST_ID);
+		mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD);
+		mfc_write(dev, 0, S5P_FIMV_HOST2RISC_CMD);
+	}
 }
 
 /* Initialize hardware */
@@ -228,9 +275,12 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
 	s5p_mfc_clear_cmds(dev);
 	/* 3. Release reset signal to the RISC */
 	s5p_mfc_clean_dev_int_flags(dev);
-	mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
+	if (IS_MFCV6(dev))
+		mfc_write(dev, 0x1, S5P_FIMV_RISC_ON_V6);
+	else
+		mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
 	mfc_debug(2, "Will now wait for completion of firmware transfer\n");
-	if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_FW_STATUS_RET)) {
+	if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_FW_STATUS_RET)) {
 		mfc_err("Failed to load firmware\n");
 		s5p_mfc_reset(dev);
 		s5p_mfc_clock_off();
@@ -238,7 +288,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
 	}
 	s5p_mfc_clean_dev_int_flags(dev);
 	/* 4. Initialize firmware */
-	ret = s5p_mfc_sys_init_cmd(dev);
+	ret = s5p_mfc_hw_call(dev->mfc_cmds, sys_init_cmd, dev);
 	if (ret) {
 		mfc_err("Failed to send command to MFC - timeout\n");
 		s5p_mfc_reset(dev);
@@ -246,7 +296,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
 		return ret;
 	}
 	mfc_debug(2, "Ok, now will write a command to init the system\n");
-	if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_SYS_INIT_RET)) {
+	if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_SYS_INIT_RET)) {
 		mfc_err("Failed to load firmware\n");
 		s5p_mfc_reset(dev);
 		s5p_mfc_clock_off();
@@ -254,7 +304,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
 	}
 	dev->int_cond = 0;
 	if (dev->int_err != 0 || dev->int_type !=
-					S5P_FIMV_R2H_CMD_SYS_INIT_RET) {
+					S5P_MFC_R2H_CMD_SYS_INIT_RET) {
 		/* Failure. */
 		mfc_err("Failed to init firmware - error: %d int: %d\n",
 						dev->int_err, dev->int_type);
@@ -262,7 +312,11 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
 		s5p_mfc_clock_off();
 		return -EIO;
 	}
-	ver = mfc_read(dev, S5P_FIMV_FW_VERSION);
+	if (IS_MFCV6(dev))
+		ver = mfc_read(dev, S5P_FIMV_FW_VERSION_V6);
+	else
+		ver = mfc_read(dev, S5P_FIMV_FW_VERSION);
+
 	mfc_debug(2, "MFC F/W version : %02xyy, %02xmm, %02xdd\n",
 		(ver >> 16) & 0xFF, (ver >> 8) & 0xFF, ver & 0xFF);
 	s5p_mfc_clock_off();
@@ -271,6 +325,17 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
 }
 
 
+/* Deinitialize hardware */
+void s5p_mfc_deinit_hw(struct s5p_mfc_dev *dev)
+{
+	s5p_mfc_clock_on();
+
+	s5p_mfc_reset(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, release_dev_context_buffer, dev);
+
+	s5p_mfc_clock_off();
+}
+
 int s5p_mfc_sleep(struct s5p_mfc_dev *dev)
 {
 	int ret;
@@ -278,19 +343,19 @@ int s5p_mfc_sleep(struct s5p_mfc_dev *dev)
 	mfc_debug_enter();
 	s5p_mfc_clock_on();
 	s5p_mfc_clean_dev_int_flags(dev);
-	ret = s5p_mfc_sleep_cmd(dev);
+	ret = s5p_mfc_hw_call(dev->mfc_cmds, sleep_cmd, dev);
 	if (ret) {
 		mfc_err("Failed to send command to MFC - timeout\n");
 		return ret;
 	}
-	if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_SLEEP_RET)) {
+	if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_SLEEP_RET)) {
 		mfc_err("Failed to sleep\n");
 		return -EIO;
 	}
 	s5p_mfc_clock_off();
 	dev->int_cond = 0;
 	if (dev->int_err != 0 || dev->int_type !=
-						S5P_FIMV_R2H_CMD_SLEEP_RET) {
+						S5P_MFC_R2H_CMD_SLEEP_RET) {
 		/* Failure. */
 		mfc_err("Failed to sleep - error: %d int: %d\n", dev->int_err,
 								dev->int_type);
@@ -320,22 +385,25 @@ int s5p_mfc_wakeup(struct s5p_mfc_dev *dev)
 	s5p_mfc_clear_cmds(dev);
 	s5p_mfc_clean_dev_int_flags(dev);
 	/* 3. Initialize firmware */
-	ret = s5p_mfc_wakeup_cmd(dev);
+	ret = s5p_mfc_hw_call(dev->mfc_cmds, wakeup_cmd, dev);
 	if (ret) {
 		mfc_err("Failed to send command to MFC - timeout\n");
 		return ret;
 	}
 	/* 4. Release reset signal to the RISC */
-	mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
+	if (IS_MFCV6(dev))
+		mfc_write(dev, 0x1, S5P_FIMV_RISC_ON_V6);
+	else
+		mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET);
 	mfc_debug(2, "Ok, now will write a command to wakeup the system\n");
-	if (s5p_mfc_wait_for_done_dev(dev, S5P_FIMV_R2H_CMD_WAKEUP_RET)) {
+	if (s5p_mfc_wait_for_done_dev(dev, S5P_MFC_R2H_CMD_WAKEUP_RET)) {
 		mfc_err("Failed to load firmware\n");
 		return -EIO;
 	}
 	s5p_mfc_clock_off();
 	dev->int_cond = 0;
 	if (dev->int_err != 0 || dev->int_type !=
-						S5P_FIMV_R2H_CMD_WAKEUP_RET) {
+						S5P_MFC_R2H_CMD_WAKEUP_RET) {
 		/* Failure. */
 		mfc_err("Failed to wakeup - error: %d int: %d\n", dev->int_err,
 								dev->int_type);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h
index e1e0c544b6a..90aa9b9886d 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h
@@ -20,6 +20,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev);
 int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev);
 
 int s5p_mfc_init_hw(struct s5p_mfc_dev *dev);
+void s5p_mfc_deinit_hw(struct s5p_mfc_dev *dev);
 
 int s5p_mfc_sleep(struct s5p_mfc_dev *dev);
 int s5p_mfc_wakeup(struct s5p_mfc_dev *dev);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 6ee21bb7139..eb6a70b0f82 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -23,85 +23,114 @@
 #include <linux/workqueue.h>
 #include <media/v4l2-ctrls.h>
 #include <media/videobuf2-core.h>
-#include "regs-mfc.h"
 #include "s5p_mfc_common.h"
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_dec.h"
 #include "s5p_mfc_intr.h"
 #include "s5p_mfc_opr.h"
 #include "s5p_mfc_pm.h"
-#include "s5p_mfc_shm.h"
+
+#define DEF_SRC_FMT_DEC	V4L2_PIX_FMT_H264
+#define DEF_DST_FMT_DEC	V4L2_PIX_FMT_NV12MT_16X16
 
 static struct s5p_mfc_fmt formats[] = {
 	{
+		.name		= "4:2:0 2 Planes 16x16 Tiles",
+		.fourcc		= V4L2_PIX_FMT_NV12MT_16X16,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
+		.type		= MFC_FMT_RAW,
+		.num_planes	= 2,
+	},
+	{
 		.name		= "4:2:0 2 Planes 64x32 Tiles",
 		.fourcc		= V4L2_PIX_FMT_NV12MT,
-		.codec_mode	= S5P_FIMV_CODEC_NONE,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
 		.type		= MFC_FMT_RAW,
 		.num_planes	= 2,
-	 },
+	},
 	{
-		.name = "4:2:0 2 Planes",
-		.fourcc = V4L2_PIX_FMT_NV12M,
-		.codec_mode = S5P_FIMV_CODEC_NONE,
-		.type = MFC_FMT_RAW,
-		.num_planes = 2,
+		.name		= "4:2:0 2 Planes Y/CbCr",
+		.fourcc		= V4L2_PIX_FMT_NV12M,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
+		.type		= MFC_FMT_RAW,
+		.num_planes	= 2,
+	},
+	{
+		.name		= "4:2:0 2 Planes Y/CrCb",
+		.fourcc		= V4L2_PIX_FMT_NV21M,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
+		.type		= MFC_FMT_RAW,
+		.num_planes	= 2,
 	},
 	{
-		.name = "H264 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_H264,
-		.codec_mode = S5P_FIMV_CODEC_H264_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "H264 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_H264,
+		.codec_mode	= S5P_MFC_CODEC_H264_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "H263 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_H263,
-		.codec_mode = S5P_FIMV_CODEC_H263_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "H264/MVC Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_H264_MVC,
+		.codec_mode	= S5P_MFC_CODEC_H264_MVC_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "MPEG1 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_MPEG1,
-		.codec_mode = S5P_FIMV_CODEC_MPEG2_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "H263 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_H263,
+		.codec_mode	= S5P_MFC_CODEC_H263_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "MPEG2 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_MPEG2,
-		.codec_mode = S5P_FIMV_CODEC_MPEG2_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "MPEG1 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_MPEG1,
+		.codec_mode	= S5P_MFC_CODEC_MPEG2_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "MPEG4 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_MPEG4,
-		.codec_mode = S5P_FIMV_CODEC_MPEG4_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "MPEG2 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_MPEG2,
+		.codec_mode	= S5P_MFC_CODEC_MPEG2_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "XviD Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_XVID,
-		.codec_mode = S5P_FIMV_CODEC_MPEG4_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "MPEG4 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_MPEG4,
+		.codec_mode	= S5P_MFC_CODEC_MPEG4_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "VC1 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
-		.codec_mode = S5P_FIMV_CODEC_VC1_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "XviD Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_XVID,
+		.codec_mode	= S5P_MFC_CODEC_MPEG4_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "VC1 RCV Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
-		.codec_mode = S5P_FIMV_CODEC_VC1RCV_DEC,
-		.type = MFC_FMT_DEC,
-		.num_planes = 1,
+		.name		= "VC1 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_VC1_ANNEX_G,
+		.codec_mode	= S5P_MFC_CODEC_VC1_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
+	},
+	{
+		.name		= "VC1 RCV Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_VC1_ANNEX_L,
+		.codec_mode	= S5P_MFC_CODEC_VC1RCV_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
+	},
+	{
+		.name		= "VP8 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_VP8,
+		.codec_mode	= S5P_MFC_CODEC_VP8_DEC,
+		.type		= MFC_FMT_DEC,
+		.num_planes	= 1,
 	},
 };
 
@@ -297,7 +326,7 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
 		/* If the MFC is parsing the header,
 		 * so wait until it is finished */
 		s5p_mfc_clean_ctx_int_flags(ctx);
-		s5p_mfc_wait_for_done_ctx(ctx, S5P_FIMV_R2H_CMD_SEQ_DONE_RET,
+		s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
 									0);
 	}
 	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
@@ -342,21 +371,36 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
 /* Try format */
 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
 {
+	struct s5p_mfc_dev *dev = video_drvdata(file);
 	struct s5p_mfc_fmt *fmt;
 
-	if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-		mfc_err("This node supports decoding only\n");
-		return -EINVAL;
-	}
-	fmt = find_format(f, MFC_FMT_DEC);
-	if (!fmt) {
-		mfc_err("Unsupported format\n");
-		return -EINVAL;
-	}
-	if (fmt->type != MFC_FMT_DEC) {
-		mfc_err("\n");
-		return -EINVAL;
+	mfc_debug(2, "Type is %d\n", f->type);
+	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		fmt = find_format(f, MFC_FMT_DEC);
+		if (!fmt) {
+			mfc_err("Unsupported format for source.\n");
+			return -EINVAL;
+		}
+		if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
+		}
+	} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		fmt = find_format(f, MFC_FMT_RAW);
+		if (!fmt) {
+			mfc_err("Unsupported format for destination.\n");
+			return -EINVAL;
+		}
+		if (IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
+		} else if (!IS_MFCV6(dev) &&
+				(fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
+		}
 	}
+
 	return 0;
 }
 
@@ -379,8 +423,29 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 		ret = -EBUSY;
 		goto out;
 	}
+	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		fmt = find_format(f, MFC_FMT_RAW);
+		if (!fmt) {
+			mfc_err("Unsupported format for source.\n");
+			return -EINVAL;
+		}
+		if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
+		} else if (IS_MFCV6(dev) &&
+				(fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
+		}
+		ctx->dst_fmt = fmt;
+		mfc_debug_leave();
+		return ret;
+	} else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		mfc_err("Wrong type error for S_FMT : %d", f->type);
+		return -EINVAL;
+	}
 	fmt = find_format(f, MFC_FMT_DEC);
-	if (!fmt || fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
+	if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) {
 		mfc_err("Unknown codec\n");
 		ret = -EINVAL;
 		goto out;
@@ -391,6 +456,10 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 		ret = -EINVAL;
 		goto out;
 	}
+	if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
+		mfc_err("Not supported format.\n");
+		return -EINVAL;
+	}
 	ctx->src_fmt = fmt;
 	ctx->codec_mode = fmt->codec_mode;
 	mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
@@ -476,7 +545,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
 			return -ENOMEM;
 		}
 		ctx->total_dpb_count = reqbufs->count;
-		ret = s5p_mfc_alloc_codec_buffers(ctx);
+		ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
 		if (ret) {
 			mfc_err("Failed to allocate decoding buffers\n");
 			reqbufs->count = 0;
@@ -492,15 +561,16 @@ static int vidioc_reqbufs(struct file *file, void *priv,
 			reqbufs->count = 0;
 			s5p_mfc_clock_on();
 			ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
-			s5p_mfc_release_codec_buffers(ctx);
+			s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers,
+					ctx);
 			s5p_mfc_clock_off();
 			return -ENOMEM;
 		}
 		if (s5p_mfc_ctx_ready(ctx))
 			set_work_bit_irqsave(ctx);
-		s5p_mfc_try_run(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 		s5p_mfc_wait_for_done_ctx(ctx,
-					 S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET, 0);
+					S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0);
 	}
 	return ret;
 }
@@ -582,18 +652,22 @@ static int vidioc_streamon(struct file *file, void *priv,
 			ctx->src_bufs_cnt = 0;
 			ctx->capture_state = QUEUE_FREE;
 			ctx->output_state = QUEUE_FREE;
-			s5p_mfc_alloc_instance_buffer(ctx);
-			s5p_mfc_alloc_dec_temp_buffers(ctx);
+			s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer,
+					ctx);
+			s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers,
+					ctx);
 			set_work_bit_irqsave(ctx);
 			s5p_mfc_clean_ctx_int_flags(ctx);
-			s5p_mfc_try_run(dev);
+			s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 
 			if (s5p_mfc_wait_for_done_ctx(ctx,
-				S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
+				S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
 				/* Error or timeout */
 				mfc_err("Error getting instance from hardware\n");
-				s5p_mfc_release_instance_buffer(ctx);
-				s5p_mfc_release_dec_desc_buffer(ctx);
+				s5p_mfc_hw_call(dev->mfc_ops,
+						release_instance_buffer, ctx);
+				s5p_mfc_hw_call(dev->mfc_ops,
+						release_dec_desc_buffer, ctx);
 				return -EIO;
 			}
 			mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
@@ -662,7 +736,7 @@ static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
 		/* Should wait for the header to be parsed */
 		s5p_mfc_clean_ctx_int_flags(ctx);
 		s5p_mfc_wait_for_done_ctx(ctx,
-				S5P_FIMV_R2H_CMD_SEQ_DONE_RET, 0);
+				S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
 		if (ctx->state >= MFCINST_HEAD_PARSED &&
 		    ctx->state < MFCINST_ABORT) {
 			ctrl->val = ctx->dpb_count;
@@ -686,6 +760,7 @@ static int vidioc_g_crop(struct file *file, void *priv,
 		struct v4l2_crop *cr)
 {
 	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
+	struct s5p_mfc_dev *dev = ctx->dev;
 	u32 left, right, top, bottom;
 
 	if (ctx->state != MFCINST_HEAD_PARSED &&
@@ -695,10 +770,10 @@ static int vidioc_g_crop(struct file *file, void *priv,
 			return -EINVAL;
 		}
 	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
-		left = s5p_mfc_read_shm(ctx, CROP_INFO_H);
+		left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
 		right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
 		left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
-		top = s5p_mfc_read_shm(ctx, CROP_INFO_V);
+		top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
 		bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
 		top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
 		cr->c.left = left;
@@ -749,6 +824,7 @@ static int s5p_mfc_queue_setup(struct vb2_queue *vq,
 			void *allocators[])
 {
 	struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
+	struct s5p_mfc_dev *dev = ctx->dev;
 
 	/* Video output for decoding (source)
 	 * this can be set after getting an instance */
@@ -784,7 +860,13 @@ static int s5p_mfc_queue_setup(struct vb2_queue *vq,
 	    vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 		psize[0] = ctx->luma_size;
 		psize[1] = ctx->chroma_size;
-		allocators[0] = ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
+
+		if (IS_MFCV6(dev))
+			allocators[0] =
+				ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
+		else
+			allocators[0] =
+				ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
 		allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
 	} else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 		   ctx->state == MFCINST_INIT) {
@@ -876,7 +958,7 @@ static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
 	/* If context is ready then dev = work->data;schedule it to run */
 	if (s5p_mfc_ctx_ready(ctx))
 		set_work_bit_irqsave(ctx);
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 	return 0;
 }
 
@@ -892,19 +974,21 @@ static int s5p_mfc_stop_streaming(struct vb2_queue *q)
 		dev->curr_ctx == ctx->num && dev->hw_lock) {
 		ctx->state = MFCINST_ABORT;
 		s5p_mfc_wait_for_done_ctx(ctx,
-					S5P_FIMV_R2H_CMD_FRAME_DONE_RET, 0);
+					S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
 		aborted = 1;
 	}
 	spin_lock_irqsave(&dev->irqlock, flags);
 	if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-		s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
+				&ctx->vq_dst);
 		INIT_LIST_HEAD(&ctx->dst_queue);
 		ctx->dst_queue_cnt = 0;
 		ctx->dpb_flush_flag = 1;
 		ctx->dec_dst_flag = 0;
 	}
 	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-		s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
+				&ctx->vq_src);
 		INIT_LIST_HEAD(&ctx->src_queue);
 		ctx->src_queue_cnt = 0;
 	}
@@ -944,7 +1028,7 @@ static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
 	}
 	if (s5p_mfc_ctx_ready(ctx))
 		set_work_bit_irqsave(ctx);
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 }
 
 static struct vb2_ops s5p_mfc_dec_qops = {
@@ -1028,3 +1112,13 @@ void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
 		ctx->ctrls[i] = NULL;
 }
 
+void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
+{
+	struct v4l2_format f;
+	f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC;
+	ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
+	f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC;
+	ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
+	mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n",
+			(unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt);
+}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.h b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.h
index fdf1d99a9d1..d06a7cab5eb 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.h
@@ -19,5 +19,6 @@ const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void);
 struct s5p_mfc_fmt *get_dec_def_fmt(bool src);
 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx);
 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx);
+void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx);
 
 #endif /* S5P_MFC_DEC_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 179e4db60b1..2af6d522f4a 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -25,48 +25,64 @@
 #include <linux/workqueue.h>
 #include <media/v4l2-ctrls.h>
 #include <media/videobuf2-core.h>
-#include "regs-mfc.h"
 #include "s5p_mfc_common.h"
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_enc.h"
 #include "s5p_mfc_intr.h"
 #include "s5p_mfc_opr.h"
 
+#define DEF_SRC_FMT_ENC	V4L2_PIX_FMT_NV12MT
+#define DEF_DST_FMT_ENC	V4L2_PIX_FMT_H264
+
 static struct s5p_mfc_fmt formats[] = {
 	{
-		.name = "4:2:0 2 Planes 64x32 Tiles",
-		.fourcc = V4L2_PIX_FMT_NV12MT,
-		.codec_mode = S5P_FIMV_CODEC_NONE,
-		.type = MFC_FMT_RAW,
-		.num_planes = 2,
+		.name		= "4:2:0 2 Planes 16x16 Tiles",
+		.fourcc		= V4L2_PIX_FMT_NV12MT_16X16,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
+		.type		= MFC_FMT_RAW,
+		.num_planes	= 2,
+	},
+	{
+		.name		= "4:2:0 2 Planes 64x32 Tiles",
+		.fourcc		= V4L2_PIX_FMT_NV12MT,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
+		.type		= MFC_FMT_RAW,
+		.num_planes	= 2,
+	},
+	{
+		.name		= "4:2:0 2 Planes Y/CbCr",
+		.fourcc		= V4L2_PIX_FMT_NV12M,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
+		.type		= MFC_FMT_RAW,
+		.num_planes	= 2,
 	},
 	{
-		.name = "4:2:0 2 Planes",
-		.fourcc = V4L2_PIX_FMT_NV12M,
-		.codec_mode = S5P_FIMV_CODEC_NONE,
-		.type = MFC_FMT_RAW,
-		.num_planes = 2,
+		.name		= "4:2:0 2 Planes Y/CrCb",
+		.fourcc		= V4L2_PIX_FMT_NV21M,
+		.codec_mode	= S5P_MFC_CODEC_NONE,
+		.type		= MFC_FMT_RAW,
+		.num_planes	= 2,
 	},
 	{
-		.name = "H264 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_H264,
-		.codec_mode = S5P_FIMV_CODEC_H264_ENC,
-		.type = MFC_FMT_ENC,
-		.num_planes = 1,
+		.name		= "H264 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_H264,
+		.codec_mode	= S5P_MFC_CODEC_H264_ENC,
+		.type		= MFC_FMT_ENC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "MPEG4 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_MPEG4,
-		.codec_mode = S5P_FIMV_CODEC_MPEG4_ENC,
-		.type = MFC_FMT_ENC,
-		.num_planes = 1,
+		.name		= "MPEG4 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_MPEG4,
+		.codec_mode	= S5P_MFC_CODEC_MPEG4_ENC,
+		.type		= MFC_FMT_ENC,
+		.num_planes	= 1,
 	},
 	{
-		.name = "H263 Encoded Stream",
-		.fourcc = V4L2_PIX_FMT_H263,
-		.codec_mode = S5P_FIMV_CODEC_H263_ENC,
-		.type = MFC_FMT_ENC,
-		.num_planes = 1,
+		.name		= "H263 Encoded Stream",
+		.fourcc		= V4L2_PIX_FMT_H263,
+		.codec_mode	= S5P_MFC_CODEC_H263_ENC,
+		.type		= MFC_FMT_ENC,
+		.num_planes	= 1,
 	},
 };
 
@@ -574,7 +590,8 @@ static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
 	if (ctx->state == MFCINST_GOT_INST && ctx->dst_queue_cnt >= 1)
 		return 1;
 	/* context is ready to encode a frame */
-	if (ctx->state == MFCINST_RUNNING &&
+	if ((ctx->state == MFCINST_RUNNING ||
+		ctx->state == MFCINST_HEAD_PARSED) &&
 		ctx->src_queue_cnt >= 1 && ctx->dst_queue_cnt >= 1)
 		return 1;
 	/* context is ready to encode remaining frames */
@@ -619,7 +636,8 @@ static int enc_pre_seq_start(struct s5p_mfc_ctx *ctx)
 	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
 	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
 	dst_size = vb2_plane_size(dst_mb->b, 0);
-	s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
+	s5p_mfc_hw_call(dev->mfc_ops, set_enc_stream_buffer, ctx, dst_addr,
+			dst_size);
 	spin_unlock_irqrestore(&dev->irqlock, flags);
 	return 0;
 }
@@ -638,14 +656,23 @@ static int enc_post_seq_start(struct s5p_mfc_ctx *ctx)
 		list_del(&dst_mb->list);
 		ctx->dst_queue_cnt--;
 		vb2_set_plane_payload(dst_mb->b, 0,
-						s5p_mfc_get_enc_strm_size());
+			s5p_mfc_hw_call(dev->mfc_ops, get_enc_strm_size, dev));
 		vb2_buffer_done(dst_mb->b, VB2_BUF_STATE_DONE);
 		spin_unlock_irqrestore(&dev->irqlock, flags);
 	}
-	ctx->state = MFCINST_RUNNING;
-	if (s5p_mfc_ctx_ready(ctx))
-		set_work_bit_irqsave(ctx);
-	s5p_mfc_try_run(dev);
+	if (IS_MFCV6(dev)) {
+		ctx->state = MFCINST_HEAD_PARSED; /* for INIT_BUFFER cmd */
+	} else {
+		ctx->state = MFCINST_RUNNING;
+		if (s5p_mfc_ctx_ready(ctx))
+			set_work_bit_irqsave(ctx);
+		s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
+	}
+
+	if (IS_MFCV6(dev))
+		ctx->dpb_count = s5p_mfc_hw_call(dev->mfc_ops,
+				get_enc_dpb_count, dev);
+
 	return 0;
 }
 
@@ -662,14 +689,16 @@ static int enc_pre_frame_start(struct s5p_mfc_ctx *ctx)
 	src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
 	src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 0);
 	src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 1);
-	s5p_mfc_set_enc_frame_buffer(ctx, src_y_addr, src_c_addr);
+	s5p_mfc_hw_call(dev->mfc_ops, set_enc_frame_buffer, ctx, src_y_addr,
+			src_c_addr);
 	spin_unlock_irqrestore(&dev->irqlock, flags);
 
 	spin_lock_irqsave(&dev->irqlock, flags);
 	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
 	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
 	dst_size = vb2_plane_size(dst_mb->b, 0);
-	s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
+	s5p_mfc_hw_call(dev->mfc_ops, set_enc_stream_buffer, ctx, dst_addr,
+			dst_size);
 	spin_unlock_irqrestore(&dev->irqlock, flags);
 
 	return 0;
@@ -685,15 +714,16 @@ static int enc_post_frame_start(struct s5p_mfc_ctx *ctx)
 	unsigned int strm_size;
 	unsigned long flags;
 
-	slice_type = s5p_mfc_get_enc_slice_type();
-	strm_size = s5p_mfc_get_enc_strm_size();
+	slice_type = s5p_mfc_hw_call(dev->mfc_ops, get_enc_slice_type, dev);
+	strm_size = s5p_mfc_hw_call(dev->mfc_ops, get_enc_strm_size, dev);
 	mfc_debug(2, "Encoded slice type: %d", slice_type);
 	mfc_debug(2, "Encoded stream size: %d", strm_size);
 	mfc_debug(2, "Display order: %d",
 		  mfc_read(dev, S5P_FIMV_ENC_SI_PIC_CNT));
 	spin_lock_irqsave(&dev->irqlock, flags);
 	if (slice_type >= 0) {
-		s5p_mfc_get_enc_frame_buffer(ctx, &enc_y_addr, &enc_c_addr);
+		s5p_mfc_hw_call(dev->mfc_ops, get_enc_frame_buffer, ctx,
+				&enc_y_addr, &enc_c_addr);
 		list_for_each_entry(mb_entry, &ctx->src_queue, list) {
 			mb_y_addr = vb2_dma_contig_plane_dma_addr(mb_entry->b, 0);
 			mb_c_addr = vb2_dma_contig_plane_dma_addr(mb_entry->b, 1);
@@ -939,15 +969,16 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 		pix_fmt_mp->plane_fmt[0].bytesperline = 0;
 		ctx->dst_bufs_cnt = 0;
 		ctx->capture_state = QUEUE_FREE;
-		s5p_mfc_alloc_instance_buffer(ctx);
+		s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, ctx);
 		set_work_bit_irqsave(ctx);
 		s5p_mfc_clean_ctx_int_flags(ctx);
-		s5p_mfc_try_run(dev);
+		s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 		if (s5p_mfc_wait_for_done_ctx(ctx, \
-				S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET, 1)) {
+				S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 1)) {
 				/* Error or timeout */
 			mfc_err("Error getting instance from hardware\n");
-			s5p_mfc_release_instance_buffer(ctx);
+			s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer,
+					ctx);
 			ret = -EIO;
 			goto out;
 		}
@@ -958,6 +989,17 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 			mfc_err("failed to set output format\n");
 			return -EINVAL;
 		}
+
+		if (!IS_MFCV6(dev) &&
+				(fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
+		} else if (IS_MFCV6(dev) &&
+				(fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
+		}
+
 		if (fmt->num_planes != pix_fmt_mp->num_planes) {
 			mfc_err("failed to set output format\n");
 			ret = -EINVAL;
@@ -970,45 +1012,13 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 		mfc_debug(2, "fmt - w: %d, h: %d, ctx - w: %d, h: %d\n",
 			pix_fmt_mp->width, pix_fmt_mp->height,
 			ctx->img_width, ctx->img_height);
-		if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M) {
-			ctx->buf_width = ALIGN(ctx->img_width,
-							S5P_FIMV_NV12M_HALIGN);
-			ctx->luma_size = ALIGN(ctx->img_width,
-				S5P_FIMV_NV12M_HALIGN) * ALIGN(ctx->img_height,
-				S5P_FIMV_NV12M_LVALIGN);
-			ctx->chroma_size = ALIGN(ctx->img_width,
-				S5P_FIMV_NV12M_HALIGN) * ALIGN((ctx->img_height
-				>> 1), S5P_FIMV_NV12M_CVALIGN);
-
-			ctx->luma_size = ALIGN(ctx->luma_size,
-							S5P_FIMV_NV12M_SALIGN);
-			ctx->chroma_size = ALIGN(ctx->chroma_size,
-							S5P_FIMV_NV12M_SALIGN);
-
-			pix_fmt_mp->plane_fmt[0].sizeimage = ctx->luma_size;
-			pix_fmt_mp->plane_fmt[0].bytesperline = ctx->buf_width;
-			pix_fmt_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
-			pix_fmt_mp->plane_fmt[1].bytesperline = ctx->buf_width;
-
-		} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT) {
-			ctx->buf_width = ALIGN(ctx->img_width,
-							S5P_FIMV_NV12MT_HALIGN);
-			ctx->luma_size = ALIGN(ctx->img_width,
-				S5P_FIMV_NV12MT_HALIGN)	* ALIGN(ctx->img_height,
-				S5P_FIMV_NV12MT_VALIGN);
-			ctx->chroma_size = ALIGN(ctx->img_width,
-				S5P_FIMV_NV12MT_HALIGN) * ALIGN((ctx->img_height
-				>> 1), S5P_FIMV_NV12MT_VALIGN);
-			ctx->luma_size = ALIGN(ctx->luma_size,
-							S5P_FIMV_NV12MT_SALIGN);
-			ctx->chroma_size = ALIGN(ctx->chroma_size,
-							S5P_FIMV_NV12MT_SALIGN);
-
-			pix_fmt_mp->plane_fmt[0].sizeimage = ctx->luma_size;
-			pix_fmt_mp->plane_fmt[0].bytesperline = ctx->buf_width;
-			pix_fmt_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
-			pix_fmt_mp->plane_fmt[1].bytesperline = ctx->buf_width;
-		}
+
+		s5p_mfc_hw_call(dev->mfc_ops, enc_calc_src_size, ctx);
+		pix_fmt_mp->plane_fmt[0].sizeimage = ctx->luma_size;
+		pix_fmt_mp->plane_fmt[0].bytesperline = ctx->buf_width;
+		pix_fmt_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
+		pix_fmt_mp->plane_fmt[1].bytesperline = ctx->buf_width;
+
 		ctx->src_bufs_cnt = 0;
 		ctx->output_state = QUEUE_FREE;
 	} else {
@@ -1023,6 +1033,7 @@ out:
 static int vidioc_reqbufs(struct file *file, void *priv,
 					  struct v4l2_requestbuffers *reqbufs)
 {
+	struct s5p_mfc_dev *dev = video_drvdata(file);
 	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
 	int ret = 0;
 
@@ -1042,12 +1053,16 @@ static int vidioc_reqbufs(struct file *file, void *priv,
 			return ret;
 		}
 		ctx->capture_state = QUEUE_BUFS_REQUESTED;
-		ret = s5p_mfc_alloc_codec_buffers(ctx);
-		if (ret) {
-			mfc_err("Failed to allocate encoding buffers\n");
-			reqbufs->count = 0;
-			ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
-			return -ENOMEM;
+
+		if (!IS_MFCV6(dev)) {
+			ret = s5p_mfc_hw_call(ctx->dev->mfc_ops,
+					alloc_codec_buffers, ctx);
+			if (ret) {
+				mfc_err("Failed to allocate encoding buffers\n");
+				reqbufs->count = 0;
+				ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
+				return -ENOMEM;
+			}
 		}
 	} else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 		if (ctx->output_state != QUEUE_FREE) {
@@ -1310,6 +1325,13 @@ static int s5p_mfc_enc_s_ctrl(struct v4l2_ctrl *ctrl)
 			p->codec.h264.profile =
 				S5P_FIMV_ENC_PROFILE_H264_BASELINE;
 			break;
+		case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
+			if (IS_MFCV6(dev))
+				p->codec.h264.profile =
+				S5P_FIMV_ENC_PROFILE_H264_CONSTRAINED_BASELINE;
+			else
+				ret = -EINVAL;
+			break;
 		default:
 			ret = -EINVAL;
 		}
@@ -1349,7 +1371,7 @@ static int s5p_mfc_enc_s_ctrl(struct v4l2_ctrl *ctrl)
 		p->codec.h264._8x8_transform = ctrl->val;
 		break;
 	case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
-		p->codec.h264.rc_mb = ctrl->val;
+		p->rc_mb = ctrl->val;
 		break;
 	case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
 		p->codec.h264.rc_frame_qp = ctrl->val;
@@ -1500,7 +1522,7 @@ int vidioc_encoder_cmd(struct file *file, void *priv,
 			mfc_debug(2, "EOS: empty src queue, entering finishing state");
 			ctx->state = MFCINST_FINISHING;
 			spin_unlock_irqrestore(&dev->irqlock, flags);
-			s5p_mfc_try_run(dev);
+			s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 		} else {
 			mfc_debug(2, "EOS: marking last buffer of stream");
 			buf = list_entry(ctx->src_queue.prev,
@@ -1583,6 +1605,7 @@ static int s5p_mfc_queue_setup(struct vb2_queue *vq,
 			unsigned int psize[], void *allocators[])
 {
 	struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
+	struct s5p_mfc_dev *dev = ctx->dev;
 
 	if (ctx->state != MFCINST_GOT_INST) {
 		mfc_err("inavlid state: %d\n", ctx->state);
@@ -1611,8 +1634,17 @@ static int s5p_mfc_queue_setup(struct vb2_queue *vq,
 			*buf_count = MFC_MAX_BUFFERS;
 		psize[0] = ctx->luma_size;
 		psize[1] = ctx->chroma_size;
-		allocators[0] = ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
-		allocators[1] = ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
+		if (IS_MFCV6(dev)) {
+			allocators[0] =
+				ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
+			allocators[1] =
+				ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
+		} else {
+			allocators[0] =
+				ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
+			allocators[1] =
+				ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
+		}
 	} else {
 		mfc_err("inavlid queue type: %d\n", vq->type);
 		return -EINVAL;
@@ -1715,7 +1747,7 @@ static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
 	/* If context is ready then dev = work->data;schedule it to run */
 	if (s5p_mfc_ctx_ready(ctx))
 		set_work_bit_irqsave(ctx);
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 	return 0;
 }
 
@@ -1729,19 +1761,21 @@ static int s5p_mfc_stop_streaming(struct vb2_queue *q)
 		ctx->state == MFCINST_RUNNING) &&
 		dev->curr_ctx == ctx->num && dev->hw_lock) {
 		ctx->state = MFCINST_ABORT;
-		s5p_mfc_wait_for_done_ctx(ctx, S5P_FIMV_R2H_CMD_FRAME_DONE_RET,
+		s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_FRAME_DONE_RET,
 					  0);
 	}
 	ctx->state = MFCINST_FINISHED;
 	spin_lock_irqsave(&dev->irqlock, flags);
 	if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-		s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
+				&ctx->vq_dst);
 		INIT_LIST_HEAD(&ctx->dst_queue);
 		ctx->dst_queue_cnt = 0;
 	}
 	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 		cleanup_ref_queue(ctx);
-		s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
+		s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
+				&ctx->vq_src);
 		INIT_LIST_HEAD(&ctx->src_queue);
 		ctx->src_queue_cnt = 0;
 	}
@@ -1782,7 +1816,7 @@ static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
 	}
 	if (s5p_mfc_ctx_ready(ctx))
 		set_work_bit_irqsave(ctx);
-	s5p_mfc_try_run(dev);
+	s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
 }
 
 static struct vb2_ops s5p_mfc_enc_qops = {
@@ -1880,3 +1914,13 @@ void s5p_mfc_enc_ctrls_delete(struct s5p_mfc_ctx *ctx)
 	for (i = 0; i < NUM_CTRLS; i++)
 		ctx->ctrls[i] = NULL;
 }
+
+void s5p_mfc_enc_init(struct s5p_mfc_ctx *ctx)
+{
+	struct v4l2_format f;
+	f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_ENC;
+	ctx->src_fmt = find_format(&f, MFC_FMT_RAW);
+	f.fmt.pix_mp.pixelformat = DEF_DST_FMT_ENC;
+	ctx->dst_fmt = find_format(&f, MFC_FMT_ENC);
+}
+
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.h b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.h
index ca9fd66bd31..5118d46b3a9 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.h
@@ -19,5 +19,6 @@ const struct v4l2_ioctl_ops *get_enc_v4l2_ioctl_ops(void);
 struct s5p_mfc_fmt *get_enc_def_fmt(bool src);
 int s5p_mfc_enc_ctrls_setup(struct s5p_mfc_ctx *ctx);
 void s5p_mfc_enc_ctrls_delete(struct s5p_mfc_ctx *ctx);
+void s5p_mfc_enc_init(struct s5p_mfc_ctx *ctx);
 
 #endif /* S5P_MFC_ENC_H_  */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_intr.c b/drivers/media/platform/s5p-mfc/s5p_mfc_intr.c
index 37860e29902..5b8f0e085e6 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_intr.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_intr.c
@@ -17,7 +17,6 @@
 #include <linux/io.h>
 #include <linux/sched.h>
 #include <linux/wait.h>
-#include "regs-mfc.h"
 #include "s5p_mfc_common.h"
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_intr.h"
@@ -28,7 +27,7 @@ int s5p_mfc_wait_for_done_dev(struct s5p_mfc_dev *dev, int command)
 
 	ret = wait_event_interruptible_timeout(dev->queue,
 		(dev->int_cond && (dev->int_type == command
-		|| dev->int_type == S5P_FIMV_R2H_CMD_ERR_RET)),
+		|| dev->int_type == S5P_MFC_R2H_CMD_ERR_RET)),
 		msecs_to_jiffies(MFC_INT_TIMEOUT));
 	if (ret == 0) {
 		mfc_err("Interrupt (dev->int_type:%d, command:%d) timed out\n",
@@ -40,7 +39,7 @@ int s5p_mfc_wait_for_done_dev(struct s5p_mfc_dev *dev, int command)
 	}
 	mfc_debug(1, "Finished waiting (dev->int_type:%d, command: %d)\n",
 							dev->int_type, command);
-	if (dev->int_type == S5P_FIMV_R2H_CMD_ERR_RET)
+	if (dev->int_type == S5P_MFC_R2H_CMD_ERR_RET)
 		return 1;
 	return 0;
 }
@@ -60,12 +59,12 @@ int s5p_mfc_wait_for_done_ctx(struct s5p_mfc_ctx *ctx,
 	if (interrupt) {
 		ret = wait_event_interruptible_timeout(ctx->queue,
 				(ctx->int_cond && (ctx->int_type == command
-			|| ctx->int_type == S5P_FIMV_R2H_CMD_ERR_RET)),
+			|| ctx->int_type == S5P_MFC_R2H_CMD_ERR_RET)),
 					msecs_to_jiffies(MFC_INT_TIMEOUT));
 	} else {
 		ret = wait_event_timeout(ctx->queue,
 				(ctx->int_cond && (ctx->int_type == command
-			|| ctx->int_type == S5P_FIMV_R2H_CMD_ERR_RET)),
+			|| ctx->int_type == S5P_MFC_R2H_CMD_ERR_RET)),
 					msecs_to_jiffies(MFC_INT_TIMEOUT));
 	}
 	if (ret == 0) {
@@ -78,7 +77,7 @@ int s5p_mfc_wait_for_done_ctx(struct s5p_mfc_ctx *ctx,
 	}
 	mfc_debug(1, "Finished waiting (ctx->int_type:%d, command: %d)\n",
 							ctx->int_type, command);
-	if (ctx->int_type == S5P_FIMV_R2H_CMD_ERR_RET)
+	if (ctx->int_type == S5P_MFC_R2H_CMD_ERR_RET)
 		return 1;
 	return 0;
 }
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
index 767a51271dc..6932e90d406 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
@@ -1,10 +1,10 @@
 /*
- * drivers/media/platform/samsung/mfc5/s5p_mfc_opr.c
+ * drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
  *
  * Samsung MFC (Multi Function Codec - FIMV) driver
  * This file contains hw related functions.
  *
- * Kamil Debski, Copyright (c) 2011 Samsung Electronics
+ * Kamil Debski, Copyright (c) 2012 Samsung Electronics Co., Ltd.
  * http://www.samsung.com/
  *
  * This program is free software; you can redistribute it and/or modify
@@ -12,1414 +12,20 @@
  * published by the Free Software Foundation.
  */
 
-#include "regs-mfc.h"
-#include "s5p_mfc_cmd.h"
-#include "s5p_mfc_common.h"
-#include "s5p_mfc_ctrl.h"
-#include "s5p_mfc_debug.h"
-#include "s5p_mfc_intr.h"
 #include "s5p_mfc_opr.h"
-#include "s5p_mfc_pm.h"
-#include "s5p_mfc_shm.h"
-#include <asm/cacheflush.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/err.h>
-#include <linux/firmware.h>
-#include <linux/io.h>
-#include <linux/jiffies.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
+#include "s5p_mfc_opr_v5.h"
+#include "s5p_mfc_opr_v6.h"
 
-#define OFFSETA(x)		(((x) - dev->bank1) >> MFC_OFFSET_SHIFT)
-#define OFFSETB(x)		(((x) - dev->bank2) >> MFC_OFFSET_SHIFT)
+static struct s5p_mfc_hw_ops *s5p_mfc_ops;
 
-/* Allocate temporary buffers for decoding */
-int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *ctx)
+void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev)
 {
-	void *desc_virt;
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	ctx->desc_buf = vb2_dma_contig_memops.alloc(
-			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], DESC_BUF_SIZE);
-	if (IS_ERR_VALUE((int)ctx->desc_buf)) {
-		ctx->desc_buf = NULL;
-		mfc_err("Allocating DESC buffer failed\n");
-		return -ENOMEM;
-	}
-	ctx->desc_phys = s5p_mfc_mem_cookie(
-			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->desc_buf);
-	BUG_ON(ctx->desc_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
-	desc_virt = vb2_dma_contig_memops.vaddr(ctx->desc_buf);
-	if (desc_virt == NULL) {
-		vb2_dma_contig_memops.put(ctx->desc_buf);
-		ctx->desc_phys = 0;
-		ctx->desc_buf = NULL;
-		mfc_err("Remapping DESC buffer failed\n");
-		return -ENOMEM;
-	}
-	memset(desc_virt, 0, DESC_BUF_SIZE);
-	wmb();
-	return 0;
-}
-
-/* Release temporary buffers for decoding */
-void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
-{
-	if (ctx->desc_phys) {
-		vb2_dma_contig_memops.put(ctx->desc_buf);
-		ctx->desc_phys = 0;
-		ctx->desc_buf = NULL;
-	}
-}
-
-/* Allocate codec buffers */
-int s5p_mfc_alloc_codec_buffers(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	unsigned int enc_ref_y_size = 0;
-	unsigned int enc_ref_c_size = 0;
-	unsigned int guard_width, guard_height;
-
-	if (ctx->type == MFCINST_DECODER) {
-		mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
-			  ctx->luma_size, ctx->chroma_size, ctx->mv_size);
-		mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
-	} else if (ctx->type == MFCINST_ENCODER) {
-		enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
-			* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
-		enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
-
-		if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC) {
-			enc_ref_c_size = ALIGN(ctx->img_width,
-						S5P_FIMV_NV12MT_HALIGN)
-						* ALIGN(ctx->img_height >> 1,
-						S5P_FIMV_NV12MT_VALIGN);
-			enc_ref_c_size = ALIGN(enc_ref_c_size,
-							S5P_FIMV_NV12MT_SALIGN);
-		} else {
-			guard_width = ALIGN(ctx->img_width + 16,
-							S5P_FIMV_NV12MT_HALIGN);
-			guard_height = ALIGN((ctx->img_height >> 1) + 4,
-							S5P_FIMV_NV12MT_VALIGN);
-			enc_ref_c_size = ALIGN(guard_width * guard_height,
-					       S5P_FIMV_NV12MT_SALIGN);
-		}
-		mfc_debug(2, "recon luma size: %d chroma size: %d\n",
-			  enc_ref_y_size, enc_ref_c_size);
+	if (IS_MFCV6(dev)) {
+		s5p_mfc_ops = s5p_mfc_init_hw_ops_v6();
+		dev->warn_start = S5P_FIMV_ERR_WARNINGS_START_V6;
 	} else {
-		return -EINVAL;
-	}
-	/* Codecs have different memory requirements */
-	switch (ctx->codec_mode) {
-	case S5P_FIMV_CODEC_H264_DEC:
-		ctx->bank1_size =
-		    ALIGN(S5P_FIMV_DEC_NB_IP_SIZE +
-					S5P_FIMV_DEC_VERT_NB_MV_SIZE,
-					S5P_FIMV_DEC_BUF_ALIGN);
-		ctx->bank2_size = ctx->total_dpb_count * ctx->mv_size;
-		break;
-	case S5P_FIMV_CODEC_MPEG4_DEC:
-		ctx->bank1_size =
-		    ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE +
-				     S5P_FIMV_DEC_UPNB_MV_SIZE +
-				     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
-				     S5P_FIMV_DEC_STX_PARSER_SIZE +
-				     S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE,
-				     S5P_FIMV_DEC_BUF_ALIGN);
-		ctx->bank2_size = 0;
-		break;
-	case S5P_FIMV_CODEC_VC1RCV_DEC:
-	case S5P_FIMV_CODEC_VC1_DEC:
-		ctx->bank1_size =
-		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
-			     S5P_FIMV_DEC_UPNB_MV_SIZE +
-			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
-			     S5P_FIMV_DEC_NB_DCAC_SIZE +
-			     3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE,
-			     S5P_FIMV_DEC_BUF_ALIGN);
-		ctx->bank2_size = 0;
-		break;
-	case S5P_FIMV_CODEC_MPEG2_DEC:
-		ctx->bank1_size = 0;
-		ctx->bank2_size = 0;
-		break;
-	case S5P_FIMV_CODEC_H263_DEC:
-		ctx->bank1_size =
-		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
-			     S5P_FIMV_DEC_UPNB_MV_SIZE +
-			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
-			     S5P_FIMV_DEC_NB_DCAC_SIZE,
-			     S5P_FIMV_DEC_BUF_ALIGN);
-		ctx->bank2_size = 0;
-		break;
-	case S5P_FIMV_CODEC_H264_ENC:
-		ctx->bank1_size = (enc_ref_y_size * 2) +
-				   S5P_FIMV_ENC_UPMV_SIZE +
-				   S5P_FIMV_ENC_COLFLG_SIZE +
-				   S5P_FIMV_ENC_INTRAMD_SIZE +
-				   S5P_FIMV_ENC_NBORINFO_SIZE;
-		ctx->bank2_size = (enc_ref_y_size * 2) +
-				   (enc_ref_c_size * 4) +
-				   S5P_FIMV_ENC_INTRAPRED_SIZE;
-		break;
-	case S5P_FIMV_CODEC_MPEG4_ENC:
-		ctx->bank1_size = (enc_ref_y_size * 2) +
-				   S5P_FIMV_ENC_UPMV_SIZE +
-				   S5P_FIMV_ENC_COLFLG_SIZE +
-				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
-		ctx->bank2_size = (enc_ref_y_size * 2) +
-				   (enc_ref_c_size * 4);
-		break;
-	case S5P_FIMV_CODEC_H263_ENC:
-		ctx->bank1_size = (enc_ref_y_size * 2) +
-				   S5P_FIMV_ENC_UPMV_SIZE +
-				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
-		ctx->bank2_size = (enc_ref_y_size * 2) +
-				   (enc_ref_c_size * 4);
-		break;
-	default:
-		break;
-	}
-	/* Allocate only if memory from bank 1 is necessary */
-	if (ctx->bank1_size > 0) {
-		ctx->bank1_buf = vb2_dma_contig_memops.alloc(
-		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size);
-		if (IS_ERR(ctx->bank1_buf)) {
-			ctx->bank1_buf = NULL;
-			printk(KERN_ERR
-			       "Buf alloc for decoding failed (port A)\n");
-			return -ENOMEM;
-		}
-		ctx->bank1_phys = s5p_mfc_mem_cookie(
-		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_buf);
-		BUG_ON(ctx->bank1_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
-	}
-	/* Allocate only if memory from bank 2 is necessary */
-	if (ctx->bank2_size > 0) {
-		ctx->bank2_buf = vb2_dma_contig_memops.alloc(
-		dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_size);
-		if (IS_ERR(ctx->bank2_buf)) {
-			ctx->bank2_buf = NULL;
-			mfc_err("Buf alloc for decoding failed (port B)\n");
-			return -ENOMEM;
-		}
-		ctx->bank2_phys = s5p_mfc_mem_cookie(
-		dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_buf);
-		BUG_ON(ctx->bank2_phys & ((1 << MFC_BANK2_ALIGN_ORDER) - 1));
-	}
-	return 0;
-}
-
-/* Release buffers allocated for codec */
-void s5p_mfc_release_codec_buffers(struct s5p_mfc_ctx *ctx)
-{
-	if (ctx->bank1_buf) {
-		vb2_dma_contig_memops.put(ctx->bank1_buf);
-		ctx->bank1_buf = NULL;
-		ctx->bank1_phys = 0;
-		ctx->bank1_size = 0;
-	}
-	if (ctx->bank2_buf) {
-		vb2_dma_contig_memops.put(ctx->bank2_buf);
-		ctx->bank2_buf = NULL;
-		ctx->bank2_phys = 0;
-		ctx->bank2_size = 0;
+		s5p_mfc_ops = s5p_mfc_init_hw_ops_v5();
+		dev->warn_start = S5P_FIMV_ERR_WARNINGS_START;
 	}
+	dev->mfc_ops = s5p_mfc_ops;
 }
-
-/* Allocate memory for instance data buffer */
-int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx)
-{
-	void *context_virt;
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC ||
-		ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC)
-		ctx->ctx_size = MFC_H264_CTX_BUF_SIZE;
-	else
-		ctx->ctx_size = MFC_CTX_BUF_SIZE;
-	ctx->ctx_buf = vb2_dma_contig_memops.alloc(
-		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx_size);
-	if (IS_ERR(ctx->ctx_buf)) {
-		mfc_err("Allocating context buffer failed\n");
-		ctx->ctx_phys = 0;
-		ctx->ctx_buf = NULL;
-		return -ENOMEM;
-	}
-	ctx->ctx_phys = s5p_mfc_mem_cookie(
-		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx_buf);
-	BUG_ON(ctx->ctx_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
-	ctx->ctx_ofs = OFFSETA(ctx->ctx_phys);
-	context_virt = vb2_dma_contig_memops.vaddr(ctx->ctx_buf);
-	if (context_virt == NULL) {
-		mfc_err("Remapping instance buffer failed\n");
-		vb2_dma_contig_memops.put(ctx->ctx_buf);
-		ctx->ctx_phys = 0;
-		ctx->ctx_buf = NULL;
-		return -ENOMEM;
-	}
-	/* Zero content of the allocated memory */
-	memset(context_virt, 0, ctx->ctx_size);
-	wmb();
-	if (s5p_mfc_init_shm(ctx) < 0) {
-		vb2_dma_contig_memops.put(ctx->ctx_buf);
-		ctx->ctx_phys = 0;
-		ctx->ctx_buf = NULL;
-		return -ENOMEM;
-	}
-	return 0;
-}
-
-/* Release instance buffer */
-void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *ctx)
-{
-	if (ctx->ctx_buf) {
-		vb2_dma_contig_memops.put(ctx->ctx_buf);
-		ctx->ctx_phys = 0;
-		ctx->ctx_buf = NULL;
-	}
-	if (ctx->shm_alloc) {
-		vb2_dma_contig_memops.put(ctx->shm_alloc);
-		ctx->shm_alloc = NULL;
-		ctx->shm = NULL;
-	}
-}
-
-/* Set registers for decoding temporary buffers */
-void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	mfc_write(dev, OFFSETA(ctx->desc_phys), S5P_FIMV_SI_CH0_DESC_ADR);
-	mfc_write(dev, DESC_BUF_SIZE, S5P_FIMV_SI_CH0_DESC_SIZE);
-}
-
-/* Set registers for shared buffer */
-static void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	mfc_write(dev, ctx->shm_ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR);
-}
-
-/* Set registers for decoding stream buffer */
-int s5p_mfc_set_dec_stream_buffer(struct s5p_mfc_ctx *ctx, int buf_addr,
-		  unsigned int start_num_byte, unsigned int buf_size)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	mfc_write(dev, OFFSETA(buf_addr), S5P_FIMV_SI_CH0_SB_ST_ADR);
-	mfc_write(dev, ctx->dec_src_buf_size, S5P_FIMV_SI_CH0_CPB_SIZE);
-	mfc_write(dev, buf_size, S5P_FIMV_SI_CH0_SB_FRM_SIZE);
-	s5p_mfc_write_shm(ctx, start_num_byte, START_BYTE_NUM);
-	return 0;
-}
-
-/* Set decoding frame buffer */
-int s5p_mfc_set_dec_frame_buffer(struct s5p_mfc_ctx *ctx)
-{
-	unsigned int frame_size, i;
-	unsigned int frame_size_ch, frame_size_mv;
-	struct s5p_mfc_dev *dev = ctx->dev;
-	unsigned int dpb;
-	size_t buf_addr1, buf_addr2;
-	int buf_size1, buf_size2;
-
-	buf_addr1 = ctx->bank1_phys;
-	buf_size1 = ctx->bank1_size;
-	buf_addr2 = ctx->bank2_phys;
-	buf_size2 = ctx->bank2_size;
-	dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
-						~S5P_FIMV_DPB_COUNT_MASK;
-	mfc_write(dev, ctx->total_dpb_count | dpb,
-						S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
-	s5p_mfc_set_shared_buffer(ctx);
-	switch (ctx->codec_mode) {
-	case S5P_FIMV_CODEC_H264_DEC:
-		mfc_write(dev, OFFSETA(buf_addr1),
-						S5P_FIMV_H264_VERT_NB_MV_ADR);
-		buf_addr1 += S5P_FIMV_DEC_VERT_NB_MV_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_VERT_NB_MV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_NB_IP_ADR);
-		buf_addr1 += S5P_FIMV_DEC_NB_IP_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_NB_IP_SIZE;
-		break;
-	case S5P_FIMV_CODEC_MPEG4_DEC:
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_NB_DCAC_ADR);
-		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_NB_MV_ADR);
-		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SA_MV_ADR);
-		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SP_ADR);
-		buf_addr1 += S5P_FIMV_DEC_STX_PARSER_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_STX_PARSER_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_OT_LINE_ADR);
-		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
-		break;
-	case S5P_FIMV_CODEC_H263_DEC:
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_OT_LINE_ADR);
-		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_NB_MV_ADR);
-		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_SA_MV_ADR);
-		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_NB_DCAC_ADR);
-		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
-		break;
-	case S5P_FIMV_CODEC_VC1_DEC:
-	case S5P_FIMV_CODEC_VC1RCV_DEC:
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_NB_DCAC_ADR);
-		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_OT_LINE_ADR);
-		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_UP_NB_MV_ADR);
-		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_SA_MV_ADR);
-		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE3_ADR);
-		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE2_ADR);
-		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE1_ADR);
-		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
-		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
-		break;
-	case S5P_FIMV_CODEC_MPEG2_DEC:
-		break;
-	default:
-		mfc_err("Unknown codec for decoding (%x)\n",
-			ctx->codec_mode);
-		return -EINVAL;
-		break;
-	}
-	frame_size = ctx->luma_size;
-	frame_size_ch = ctx->chroma_size;
-	frame_size_mv = ctx->mv_size;
-	mfc_debug(2, "Frm size: %d ch: %d mv: %d\n", frame_size, frame_size_ch,
-								frame_size_mv);
-	for (i = 0; i < ctx->total_dpb_count; i++) {
-		/* Bank2 */
-		mfc_debug(2, "Luma %d: %x\n", i,
-					ctx->dst_bufs[i].cookie.raw.luma);
-		mfc_write(dev, OFFSETB(ctx->dst_bufs[i].cookie.raw.luma),
-						S5P_FIMV_DEC_LUMA_ADR + i * 4);
-		mfc_debug(2, "\tChroma %d: %x\n", i,
-					ctx->dst_bufs[i].cookie.raw.chroma);
-		mfc_write(dev, OFFSETA(ctx->dst_bufs[i].cookie.raw.chroma),
-					       S5P_FIMV_DEC_CHROMA_ADR + i * 4);
-		if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC) {
-			mfc_debug(2, "\tBuf2: %x, size: %d\n",
-							buf_addr2, buf_size2);
-			mfc_write(dev, OFFSETB(buf_addr2),
-						S5P_FIMV_H264_MV_ADR + i * 4);
-			buf_addr2 += frame_size_mv;
-			buf_size2 -= frame_size_mv;
-		}
-	}
-	mfc_debug(2, "Buf1: %u, buf_size1: %d\n", buf_addr1, buf_size1);
-	mfc_debug(2, "Buf 1/2 size after: %d/%d (frames %d)\n",
-			buf_size1,  buf_size2, ctx->total_dpb_count);
-	if (buf_size1 < 0 || buf_size2 < 0) {
-		mfc_debug(2, "Not enough memory has been allocated\n");
-		return -ENOMEM;
-	}
-	s5p_mfc_write_shm(ctx, frame_size, ALLOC_LUMA_DPB_SIZE);
-	s5p_mfc_write_shm(ctx, frame_size_ch, ALLOC_CHROMA_DPB_SIZE);
-	if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC)
-		s5p_mfc_write_shm(ctx, frame_size_mv, ALLOC_MV_SIZE);
-	mfc_write(dev, ((S5P_FIMV_CH_INIT_BUFS & S5P_FIMV_CH_MASK)
-					<< S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
-						S5P_FIMV_SI_CH0_INST_ID);
-	return 0;
-}
-
-/* Set registers for encoding stream buffer */
-int s5p_mfc_set_enc_stream_buffer(struct s5p_mfc_ctx *ctx,
-		unsigned long addr, unsigned int size)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	mfc_write(dev, OFFSETA(addr), S5P_FIMV_ENC_SI_CH0_SB_ADR);
-	mfc_write(dev, size, S5P_FIMV_ENC_SI_CH0_SB_SIZE);
-	return 0;
-}
-
-void s5p_mfc_set_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
-		unsigned long y_addr, unsigned long c_addr)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	mfc_write(dev, OFFSETB(y_addr), S5P_FIMV_ENC_SI_CH0_CUR_Y_ADR);
-	mfc_write(dev, OFFSETB(c_addr), S5P_FIMV_ENC_SI_CH0_CUR_C_ADR);
-}
-
-void s5p_mfc_get_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
-		unsigned long *y_addr, unsigned long *c_addr)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	*y_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_Y_ADDR)
-							<< MFC_OFFSET_SHIFT);
-	*c_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_C_ADDR)
-							<< MFC_OFFSET_SHIFT);
-}
-
-/* Set encoding ref & codec buffer */
-int s5p_mfc_set_enc_ref_buffer(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	size_t buf_addr1, buf_addr2;
-	size_t buf_size1, buf_size2;
-	unsigned int enc_ref_y_size, enc_ref_c_size;
-	unsigned int guard_width, guard_height;
-	int i;
-
-	buf_addr1 = ctx->bank1_phys;
-	buf_size1 = ctx->bank1_size;
-	buf_addr2 = ctx->bank2_phys;
-	buf_size2 = ctx->bank2_size;
-	enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
-		* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
-	enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
-	if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC) {
-		enc_ref_c_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
-			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
-		enc_ref_c_size = ALIGN(enc_ref_c_size, S5P_FIMV_NV12MT_SALIGN);
-	} else {
-		guard_width = ALIGN(ctx->img_width + 16,
-						S5P_FIMV_NV12MT_HALIGN);
-		guard_height = ALIGN((ctx->img_height >> 1) + 4,
-						S5P_FIMV_NV12MT_VALIGN);
-		enc_ref_c_size = ALIGN(guard_width * guard_height,
-				       S5P_FIMV_NV12MT_SALIGN);
-	}
-	mfc_debug(2, "buf_size1: %d, buf_size2: %d\n", buf_size1, buf_size2);
-	switch (ctx->codec_mode) {
-	case S5P_FIMV_CODEC_H264_ENC:
-		for (i = 0; i < 2; i++) {
-			mfc_write(dev, OFFSETA(buf_addr1),
-				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
-			buf_addr1 += enc_ref_y_size;
-			buf_size1 -= enc_ref_y_size;
-
-			mfc_write(dev, OFFSETB(buf_addr2),
-				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
-			buf_addr2 += enc_ref_y_size;
-			buf_size2 -= enc_ref_y_size;
-		}
-		for (i = 0; i < 4; i++) {
-			mfc_write(dev, OFFSETB(buf_addr2),
-				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
-			buf_addr2 += enc_ref_c_size;
-			buf_size2 -= enc_ref_c_size;
-		}
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_UP_MV_ADR);
-		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1),
-					S5P_FIMV_H264_COZERO_FLAG_ADR);
-		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1),
-					S5P_FIMV_H264_UP_INTRA_MD_ADR);
-		buf_addr1 += S5P_FIMV_ENC_INTRAMD_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_INTRAMD_SIZE;
-		mfc_write(dev, OFFSETB(buf_addr2),
-					S5P_FIMV_H264_UP_INTRA_PRED_ADR);
-		buf_addr2 += S5P_FIMV_ENC_INTRAPRED_SIZE;
-		buf_size2 -= S5P_FIMV_ENC_INTRAPRED_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1),
-					S5P_FIMV_H264_NBOR_INFO_ADR);
-		buf_addr1 += S5P_FIMV_ENC_NBORINFO_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_NBORINFO_SIZE;
-		mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
-			buf_size1, buf_size2);
-		break;
-	case S5P_FIMV_CODEC_MPEG4_ENC:
-		for (i = 0; i < 2; i++) {
-			mfc_write(dev, OFFSETA(buf_addr1),
-				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
-			buf_addr1 += enc_ref_y_size;
-			buf_size1 -= enc_ref_y_size;
-			mfc_write(dev, OFFSETB(buf_addr2),
-				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
-			buf_addr2 += enc_ref_y_size;
-			buf_size2 -= enc_ref_y_size;
-		}
-		for (i = 0; i < 4; i++) {
-			mfc_write(dev, OFFSETB(buf_addr2),
-				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
-			buf_addr2 += enc_ref_c_size;
-			buf_size2 -= enc_ref_c_size;
-		}
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_MV_ADR);
-		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1),
-						S5P_FIMV_MPEG4_COZERO_FLAG_ADR);
-		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1),
-						S5P_FIMV_MPEG4_ACDC_COEF_ADR);
-		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
-		mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
-			buf_size1, buf_size2);
-		break;
-	case S5P_FIMV_CODEC_H263_ENC:
-		for (i = 0; i < 2; i++) {
-			mfc_write(dev, OFFSETA(buf_addr1),
-				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
-			buf_addr1 += enc_ref_y_size;
-			buf_size1 -= enc_ref_y_size;
-			mfc_write(dev, OFFSETB(buf_addr2),
-				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
-			buf_addr2 += enc_ref_y_size;
-			buf_size2 -= enc_ref_y_size;
-		}
-		for (i = 0; i < 4; i++) {
-			mfc_write(dev, OFFSETB(buf_addr2),
-				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
-			buf_addr2 += enc_ref_c_size;
-			buf_size2 -= enc_ref_c_size;
-		}
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_MV_ADR);
-		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
-		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_ACDC_COEF_ADR);
-		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
-		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
-		mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
-			buf_size1, buf_size2);
-		break;
-	default:
-		mfc_err("Unknown codec set for encoding: %d\n",
-			ctx->codec_mode);
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	struct s5p_mfc_enc_params *p = &ctx->enc_params;
-	unsigned int reg;
-	unsigned int shm;
-
-	/* width */
-	mfc_write(dev, ctx->img_width, S5P_FIMV_ENC_HSIZE_PX);
-	/* height */
-	mfc_write(dev, ctx->img_height, S5P_FIMV_ENC_VSIZE_PX);
-	/* pictype : enable, IDR period */
-	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
-	reg |= (1 << 18);
-	reg &= ~(0xFFFF);
-	reg |= p->gop_size;
-	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
-	mfc_write(dev, 0, S5P_FIMV_ENC_B_RECON_WRITE_ON);
-	/* multi-slice control */
-	/* multi-slice MB number or bit size */
-	mfc_write(dev, p->slice_mode, S5P_FIMV_ENC_MSLICE_CTRL);
-	if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
-		mfc_write(dev, p->slice_mb, S5P_FIMV_ENC_MSLICE_MB);
-	} else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
-		mfc_write(dev, p->slice_bit, S5P_FIMV_ENC_MSLICE_BIT);
-	} else {
-		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_MB);
-		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_BIT);
-	}
-	/* cyclic intra refresh */
-	mfc_write(dev, p->intra_refresh_mb, S5P_FIMV_ENC_CIR_CTRL);
-	/* memory structure cur. frame */
-	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
-		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
-	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
-		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
-	/* padding control & value */
-	reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL);
-	if (p->pad) {
-		/** enable */
-		reg |= (1 << 31);
-		/** cr value */
-		reg &= ~(0xFF << 16);
-		reg |= (p->pad_cr << 16);
-		/** cb value */
-		reg &= ~(0xFF << 8);
-		reg |= (p->pad_cb << 8);
-		/** y value */
-		reg &= ~(0xFF);
-		reg |= (p->pad_luma);
-	} else {
-		/** disable & all value clear */
-		reg = 0;
-	}
-	mfc_write(dev, reg, S5P_FIMV_ENC_PADDING_CTRL);
-	/* rate control config. */
-	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
-	/** frame-level rate control */
-	reg &= ~(0x1 << 9);
-	reg |= (p->rc_frame << 9);
-	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
-	/* bit rate */
-	if (p->rc_frame)
-		mfc_write(dev, p->rc_bitrate,
-			S5P_FIMV_ENC_RC_BIT_RATE);
-	else
-		mfc_write(dev, 0, S5P_FIMV_ENC_RC_BIT_RATE);
-	/* reaction coefficient */
-	if (p->rc_frame)
-		mfc_write(dev, p->rc_reaction_coeff, S5P_FIMV_ENC_RC_RPARA);
-	shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
-	/* seq header ctrl */
-	shm &= ~(0x1 << 3);
-	shm |= (p->seq_hdr_mode << 3);
-	/* frame skip mode */
-	shm &= ~(0x3 << 1);
-	shm |= (p->frame_skip_mode << 1);
-	s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
-	/* fixed target bit */
-	s5p_mfc_write_shm(ctx, p->fixed_target_bit, RC_CONTROL_CONFIG);
-	return 0;
-}
-
-static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	struct s5p_mfc_enc_params *p = &ctx->enc_params;
-	struct s5p_mfc_h264_enc_params *p_264 = &p->codec.h264;
-	unsigned int reg;
-	unsigned int shm;
-
-	s5p_mfc_set_enc_params(ctx);
-	/* pictype : number of B */
-	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
-	/* num_b_frame - 0 ~ 2 */
-	reg &= ~(0x3 << 16);
-	reg |= (p->num_b_frame << 16);
-	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
-	/* profile & level */
-	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
-	/* level */
-	reg &= ~(0xFF << 8);
-	reg |= (p_264->level << 8);
-	/* profile - 0 ~ 2 */
-	reg &= ~(0x3F);
-	reg |= p_264->profile;
-	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
-	/* interlace  */
-	mfc_write(dev, p->interlace, S5P_FIMV_ENC_PIC_STRUCT);
-	/* height */
-	if (p->interlace)
-		mfc_write(dev, ctx->img_height >> 1, S5P_FIMV_ENC_VSIZE_PX);
-	/* loopfilter ctrl */
-	mfc_write(dev, p_264->loop_filter_mode, S5P_FIMV_ENC_LF_CTRL);
-	/* loopfilter alpha offset */
-	if (p_264->loop_filter_alpha < 0) {
-		reg = 0x10;
-		reg |= (0xFF - p_264->loop_filter_alpha) + 1;
-	} else {
-		reg = 0x00;
-		reg |= (p_264->loop_filter_alpha & 0xF);
-	}
-	mfc_write(dev, reg, S5P_FIMV_ENC_ALPHA_OFF);
-	/* loopfilter beta offset */
-	if (p_264->loop_filter_beta < 0) {
-		reg = 0x10;
-		reg |= (0xFF - p_264->loop_filter_beta) + 1;
-	} else {
-		reg = 0x00;
-		reg |= (p_264->loop_filter_beta & 0xF);
-	}
-	mfc_write(dev, reg, S5P_FIMV_ENC_BETA_OFF);
-	/* entropy coding mode */
-	if (p_264->entropy_mode == V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC)
-		mfc_write(dev, 1, S5P_FIMV_ENC_H264_ENTROPY_MODE);
-	else
-		mfc_write(dev, 0, S5P_FIMV_ENC_H264_ENTROPY_MODE);
-	/* number of ref. picture */
-	reg = mfc_read(dev, S5P_FIMV_ENC_H264_NUM_OF_REF);
-	/* num of ref. pictures of P */
-	reg &= ~(0x3 << 5);
-	reg |= (p_264->num_ref_pic_4p << 5);
-	/* max number of ref. pictures */
-	reg &= ~(0x1F);
-	reg |= p_264->max_ref_pic;
-	mfc_write(dev, reg, S5P_FIMV_ENC_H264_NUM_OF_REF);
-	/* 8x8 transform enable */
-	mfc_write(dev, p_264->_8x8_transform, S5P_FIMV_ENC_H264_TRANS_FLAG);
-	/* rate control config. */
-	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
-	/* macroblock level rate control */
-	reg &= ~(0x1 << 8);
-	reg |= (p_264->rc_mb << 8);
-	/* frame QP */
-	reg &= ~(0x3F);
-	reg |= p_264->rc_frame_qp;
-	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
-	/* frame rate */
-	if (p->rc_frame && p->rc_framerate_denom)
-		mfc_write(dev, p->rc_framerate_num * 1000
-			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
-	else
-		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
-	/* max & min value of QP */
-	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
-	/* max QP */
-	reg &= ~(0x3F << 8);
-	reg |= (p_264->rc_max_qp << 8);
-	/* min QP */
-	reg &= ~(0x3F);
-	reg |= p_264->rc_min_qp;
-	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
-	/* macroblock adaptive scaling features */
-	if (p_264->rc_mb) {
-		reg = mfc_read(dev, S5P_FIMV_ENC_RC_MB_CTRL);
-		/* dark region */
-		reg &= ~(0x1 << 3);
-		reg |= (p_264->rc_mb_dark << 3);
-		/* smooth region */
-		reg &= ~(0x1 << 2);
-		reg |= (p_264->rc_mb_smooth << 2);
-		/* static region */
-		reg &= ~(0x1 << 1);
-		reg |= (p_264->rc_mb_static << 1);
-		/* high activity region */
-		reg &= ~(0x1);
-		reg |= p_264->rc_mb_activity;
-		mfc_write(dev, reg, S5P_FIMV_ENC_RC_MB_CTRL);
-	}
-	if (!p->rc_frame &&
-	    !p_264->rc_mb) {
-		shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
-		shm &= ~(0xFFF);
-		shm |= ((p_264->rc_b_frame_qp & 0x3F) << 6);
-		shm |= (p_264->rc_p_frame_qp & 0x3F);
-		s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
-	}
-	/* extended encoder ctrl */
-	shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
-	/* AR VUI control */
-	shm &= ~(0x1 << 15);
-	shm |= (p_264->vui_sar << 1);
-	s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
-	if (p_264->vui_sar) {
-		/* aspect ration IDC */
-		shm = s5p_mfc_read_shm(ctx, SAMPLE_ASPECT_RATIO_IDC);
-		shm &= ~(0xFF);
-		shm |= p_264->vui_sar_idc;
-		s5p_mfc_write_shm(ctx, shm, SAMPLE_ASPECT_RATIO_IDC);
-		if (p_264->vui_sar_idc == 0xFF) {
-			/* sample  AR info */
-			shm = s5p_mfc_read_shm(ctx, EXTENDED_SAR);
-			shm &= ~(0xFFFFFFFF);
-			shm |= p_264->vui_ext_sar_width << 16;
-			shm |= p_264->vui_ext_sar_height;
-			s5p_mfc_write_shm(ctx, shm, EXTENDED_SAR);
-		}
-	}
-	/* intra picture period for H.264 */
-	shm = s5p_mfc_read_shm(ctx, H264_I_PERIOD);
-	/* control */
-	shm &= ~(0x1 << 16);
-	shm |= (p_264->open_gop << 16);
-	/* value */
-	if (p_264->open_gop) {
-		shm &= ~(0xFFFF);
-		shm |= p_264->open_gop_size;
-	}
-	s5p_mfc_write_shm(ctx, shm, H264_I_PERIOD);
-	/* extended encoder ctrl */
-	shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
-	/* vbv buffer size */
-	if (p->frame_skip_mode ==
-			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
-		shm &= ~(0xFFFF << 16);
-		shm |= (p_264->cpb_size << 16);
-	}
-	s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
-	return 0;
-}
-
-static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	struct s5p_mfc_enc_params *p = &ctx->enc_params;
-	struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
-	unsigned int reg;
-	unsigned int shm;
-	unsigned int framerate;
-
-	s5p_mfc_set_enc_params(ctx);
-	/* pictype : number of B */
-	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
-	/* num_b_frame - 0 ~ 2 */
-	reg &= ~(0x3 << 16);
-	reg |= (p->num_b_frame << 16);
-	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
-	/* profile & level */
-	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
-	/* level */
-	reg &= ~(0xFF << 8);
-	reg |= (p_mpeg4->level << 8);
-	/* profile - 0 ~ 2 */
-	reg &= ~(0x3F);
-	reg |= p_mpeg4->profile;
-	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
-	/* quarter_pixel */
-	mfc_write(dev, p_mpeg4->quarter_pixel, S5P_FIMV_ENC_MPEG4_QUART_PXL);
-	/* qp */
-	if (!p->rc_frame) {
-		shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
-		shm &= ~(0xFFF);
-		shm |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 6);
-		shm |= (p_mpeg4->rc_p_frame_qp & 0x3F);
-		s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
-	}
-	/* frame rate */
-	if (p->rc_frame) {
-		if (p->rc_framerate_denom > 0) {
-			framerate = p->rc_framerate_num * 1000 /
-						p->rc_framerate_denom;
-			mfc_write(dev, framerate,
-				S5P_FIMV_ENC_RC_FRAME_RATE);
-			shm = s5p_mfc_read_shm(ctx, RC_VOP_TIMING);
-			shm &= ~(0xFFFFFFFF);
-			shm |= (1 << 31);
-			shm |= ((p->rc_framerate_num & 0x7FFF) << 16);
-			shm |= (p->rc_framerate_denom & 0xFFFF);
-			s5p_mfc_write_shm(ctx, shm, RC_VOP_TIMING);
-		}
-	} else {
-		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
-	}
-	/* rate control config. */
-	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
-	/* frame QP */
-	reg &= ~(0x3F);
-	reg |= p_mpeg4->rc_frame_qp;
-	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
-	/* max & min value of QP */
-	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
-	/* max QP */
-	reg &= ~(0x3F << 8);
-	reg |= (p_mpeg4->rc_max_qp << 8);
-	/* min QP */
-	reg &= ~(0x3F);
-	reg |= p_mpeg4->rc_min_qp;
-	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
-	/* extended encoder ctrl */
-	shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
-	/* vbv buffer size */
-	if (p->frame_skip_mode ==
-			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
-		shm &= ~(0xFFFF << 16);
-		shm |= (p->vbv_size << 16);
-	}
-	s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
-	return 0;
-}
-
-static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	struct s5p_mfc_enc_params *p = &ctx->enc_params;
-	struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
-	unsigned int reg;
-	unsigned int shm;
-
-	s5p_mfc_set_enc_params(ctx);
-	/* qp */
-	if (!p->rc_frame) {
-		shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
-		shm &= ~(0xFFF);
-		shm |= (p_h263->rc_p_frame_qp & 0x3F);
-		s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
-	}
-	/* frame rate */
-	if (p->rc_frame && p->rc_framerate_denom)
-		mfc_write(dev, p->rc_framerate_num * 1000
-			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
-	else
-		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
-	/* rate control config. */
-	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
-	/* frame QP */
-	reg &= ~(0x3F);
-	reg |= p_h263->rc_frame_qp;
-	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
-	/* max & min value of QP */
-	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
-	/* max QP */
-	reg &= ~(0x3F << 8);
-	reg |= (p_h263->rc_max_qp << 8);
-	/* min QP */
-	reg &= ~(0x3F);
-	reg |= p_h263->rc_min_qp;
-	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
-	/* extended encoder ctrl */
-	shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
-	/* vbv buffer size */
-	if (p->frame_skip_mode ==
-			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
-		shm &= ~(0xFFFF << 16);
-		shm |= (p->vbv_size << 16);
-	}
-	s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
-	return 0;
-}
-
-/* Initialize decoding */
-int s5p_mfc_init_decode(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	s5p_mfc_set_shared_buffer(ctx);
-	/* Setup loop filter, for decoding this is only valid for MPEG4 */
-	if (ctx->codec_mode == S5P_FIMV_CODEC_MPEG4_DEC)
-		mfc_write(dev, ctx->loop_filter_mpeg4, S5P_FIMV_ENC_LF_CTRL);
-	else
-		mfc_write(dev, 0, S5P_FIMV_ENC_LF_CTRL);
-	mfc_write(dev, ((ctx->slice_interface & S5P_FIMV_SLICE_INT_MASK) <<
-		S5P_FIMV_SLICE_INT_SHIFT) | (ctx->display_delay_enable <<
-		S5P_FIMV_DDELAY_ENA_SHIFT) | ((ctx->display_delay &
-		S5P_FIMV_DDELAY_VAL_MASK) << S5P_FIMV_DDELAY_VAL_SHIFT),
-		S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
-	mfc_write(dev,
-	((S5P_FIMV_CH_SEQ_HEADER & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
-				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
-	return 0;
-}
-
-static void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	unsigned int dpb;
-
-	if (flush)
-		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (
-			S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
-	else
-		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
-			~(S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
-	mfc_write(dev, dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
-}
-
-/* Decode a single frame */
-int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *ctx,
-					enum s5p_mfc_decode_arg last_frame)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	mfc_write(dev, ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF);
-	s5p_mfc_set_shared_buffer(ctx);
-	s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
-	/* Issue different commands to instance basing on whether it
-	 * is the last frame or not. */
-	switch (last_frame) {
-	case MFC_DEC_FRAME:
-		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START & S5P_FIMV_CH_MASK) <<
-		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
-		break;
-	case MFC_DEC_LAST_FRAME:
-		mfc_write(dev, ((S5P_FIMV_CH_LAST_FRAME & S5P_FIMV_CH_MASK) <<
-		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
-		break;
-	case MFC_DEC_RES_CHANGE:
-		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START_REALLOC &
-		S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
-		S5P_FIMV_SI_CH0_INST_ID);
-		break;
-	}
-	mfc_debug(2, "Decoding a usual frame\n");
-	return 0;
-}
-
-int s5p_mfc_init_encode(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC)
-		s5p_mfc_set_enc_params_h264(ctx);
-	else if (ctx->codec_mode == S5P_FIMV_CODEC_MPEG4_ENC)
-		s5p_mfc_set_enc_params_mpeg4(ctx);
-	else if (ctx->codec_mode == S5P_FIMV_CODEC_H263_ENC)
-		s5p_mfc_set_enc_params_h263(ctx);
-	else {
-		mfc_err("Unknown codec for encoding (%x)\n",
-			ctx->codec_mode);
-		return -EINVAL;
-	}
-	s5p_mfc_set_shared_buffer(ctx);
-	mfc_write(dev, ((S5P_FIMV_CH_SEQ_HEADER << 16) & 0x70000) |
-		(ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
-	return 0;
-}
-
-/* Encode a single frame */
-int s5p_mfc_encode_one_frame(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	int cmd;
-	/* memory structure cur. frame */
-	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
-		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
-	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
-		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
-	s5p_mfc_set_shared_buffer(ctx);
-
-	if (ctx->state == MFCINST_FINISHING)
-		cmd = S5P_FIMV_CH_LAST_FRAME;
-	else
-		cmd = S5P_FIMV_CH_FRAME_START;
-	mfc_write(dev, ((cmd & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
-				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
-
-	return 0;
-}
-
-static int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
-{
-	unsigned long flags;
-	int new_ctx;
-	int cnt;
-
-	spin_lock_irqsave(&dev->condlock, flags);
-	new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
-	cnt = 0;
-	while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
-		new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
-		if (++cnt > MFC_NUM_CONTEXTS) {
-			/* No contexts to run */
-			spin_unlock_irqrestore(&dev->condlock, flags);
-			return -EAGAIN;
-		}
-	}
-	spin_unlock_irqrestore(&dev->condlock, flags);
-	return new_ctx;
-}
-
-static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-
-	s5p_mfc_set_dec_stream_buffer(ctx, 0, 0, 0);
-	dev->curr_ctx = ctx->num;
-	s5p_mfc_clean_ctx_int_flags(ctx);
-	s5p_mfc_decode_one_frame(ctx, MFC_DEC_RES_CHANGE);
-}
-
-static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	struct s5p_mfc_buf *temp_vb;
-	unsigned long flags;
-	unsigned int index;
-
-	spin_lock_irqsave(&dev->irqlock, flags);
-	/* Frames are being decoded */
-	if (list_empty(&ctx->src_queue)) {
-		mfc_debug(2, "No src buffers\n");
-		spin_unlock_irqrestore(&dev->irqlock, flags);
-		return -EAGAIN;
-	}
-	/* Get the next source buffer */
-	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
-	temp_vb->flags |= MFC_BUF_FLAG_USED;
-	s5p_mfc_set_dec_stream_buffer(ctx,
-		vb2_dma_contig_plane_dma_addr(temp_vb->b, 0), ctx->consumed_stream,
-					temp_vb->b->v4l2_planes[0].bytesused);
-	spin_unlock_irqrestore(&dev->irqlock, flags);
-	index = temp_vb->b->v4l2_buf.index;
-	dev->curr_ctx = ctx->num;
-	s5p_mfc_clean_ctx_int_flags(ctx);
-	if (temp_vb->b->v4l2_planes[0].bytesused == 0) {
-		last_frame = MFC_DEC_LAST_FRAME;
-		mfc_debug(2, "Setting ctx->state to FINISHING\n");
-		ctx->state = MFCINST_FINISHING;
-	}
-	s5p_mfc_decode_one_frame(ctx, last_frame);
-	return 0;
-}
-
-static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	unsigned long flags;
-	struct s5p_mfc_buf *dst_mb;
-	struct s5p_mfc_buf *src_mb;
-	unsigned long src_y_addr, src_c_addr, dst_addr;
-	unsigned int dst_size;
-
-	spin_lock_irqsave(&dev->irqlock, flags);
-	if (list_empty(&ctx->src_queue) && ctx->state != MFCINST_FINISHING) {
-		mfc_debug(2, "no src buffers\n");
-		spin_unlock_irqrestore(&dev->irqlock, flags);
-		return -EAGAIN;
-	}
-	if (list_empty(&ctx->dst_queue)) {
-		mfc_debug(2, "no dst buffers\n");
-		spin_unlock_irqrestore(&dev->irqlock, flags);
-		return -EAGAIN;
-	}
-	if (list_empty(&ctx->src_queue)) {
-		/* send null frame */
-		s5p_mfc_set_enc_frame_buffer(ctx, dev->bank2, dev->bank2);
-		src_mb = NULL;
-	} else {
-		src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf,
-									list);
-		src_mb->flags |= MFC_BUF_FLAG_USED;
-		if (src_mb->b->v4l2_planes[0].bytesused == 0) {
-			/* send null frame */
-			s5p_mfc_set_enc_frame_buffer(ctx, dev->bank2,
-								dev->bank2);
-			ctx->state = MFCINST_FINISHING;
-		} else {
-			src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b,
-									0);
-			src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b,
-									1);
-			s5p_mfc_set_enc_frame_buffer(ctx, src_y_addr,
-								src_c_addr);
-			if (src_mb->flags & MFC_BUF_FLAG_EOS)
-				ctx->state = MFCINST_FINISHING;
-		}
-	}
-	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
-	dst_mb->flags |= MFC_BUF_FLAG_USED;
-	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
-	dst_size = vb2_plane_size(dst_mb->b, 0);
-	s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
-	spin_unlock_irqrestore(&dev->irqlock, flags);
-	dev->curr_ctx = ctx->num;
-	s5p_mfc_clean_ctx_int_flags(ctx);
-	mfc_debug(2, "encoding buffer with index=%d state=%d",
-			src_mb ? src_mb->b->v4l2_buf.index : -1, ctx->state);
-	s5p_mfc_encode_one_frame(ctx);
-	return 0;
-}
-
-static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	unsigned long flags;
-	struct s5p_mfc_buf *temp_vb;
-
-	/* Initializing decoding - parsing header */
-	spin_lock_irqsave(&dev->irqlock, flags);
-	mfc_debug(2, "Preparing to init decoding\n");
-	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
-	s5p_mfc_set_dec_desc_buffer(ctx);
-	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
-	s5p_mfc_set_dec_stream_buffer(ctx,
-				vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
-				0, temp_vb->b->v4l2_planes[0].bytesused);
-	spin_unlock_irqrestore(&dev->irqlock, flags);
-	dev->curr_ctx = ctx->num;
-	s5p_mfc_clean_ctx_int_flags(ctx);
-	s5p_mfc_init_decode(ctx);
-}
-
-static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	unsigned long flags;
-	struct s5p_mfc_buf *dst_mb;
-	unsigned long dst_addr;
-	unsigned int dst_size;
-
-	s5p_mfc_set_enc_ref_buffer(ctx);
-	spin_lock_irqsave(&dev->irqlock, flags);
-	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
-	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
-	dst_size = vb2_plane_size(dst_mb->b, 0);
-	s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
-	spin_unlock_irqrestore(&dev->irqlock, flags);
-	dev->curr_ctx = ctx->num;
-	s5p_mfc_clean_ctx_int_flags(ctx);
-	s5p_mfc_init_encode(ctx);
-}
-
-static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	unsigned long flags;
-	struct s5p_mfc_buf *temp_vb;
-	int ret;
-
-	/*
-	 * Header was parsed now starting processing
-	 * First set the output frame buffers
-	 */
-	if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
-		mfc_err("It seems that not all destionation buffers were "
-			"mmaped\nMFC requires that all destination are mmaped "
-			"before starting processing\n");
-		return -EAGAIN;
-	}
-	spin_lock_irqsave(&dev->irqlock, flags);
-	if (list_empty(&ctx->src_queue)) {
-		mfc_err("Header has been deallocated in the middle of"
-			" initialization\n");
-		spin_unlock_irqrestore(&dev->irqlock, flags);
-		return -EIO;
-	}
-	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
-	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
-	s5p_mfc_set_dec_stream_buffer(ctx,
-				vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
-				0, temp_vb->b->v4l2_planes[0].bytesused);
-	spin_unlock_irqrestore(&dev->irqlock, flags);
-	dev->curr_ctx = ctx->num;
-	s5p_mfc_clean_ctx_int_flags(ctx);
-	ret = s5p_mfc_set_dec_frame_buffer(ctx);
-	if (ret) {
-		mfc_err("Failed to alloc frame mem\n");
-		ctx->state = MFCINST_ERROR;
-	}
-	return ret;
-}
-
-/* Try running an operation on hardware */
-void s5p_mfc_try_run(struct s5p_mfc_dev *dev)
-{
-	struct s5p_mfc_ctx *ctx;
-	int new_ctx;
-	unsigned int ret = 0;
-
-	if (test_bit(0, &dev->enter_suspend)) {
-		mfc_debug(1, "Entering suspend so do not schedule any jobs\n");
-		return;
-	}
-	/* Check whether hardware is not running */
-	if (test_and_set_bit(0, &dev->hw_lock) != 0) {
-		/* This is perfectly ok, the scheduled ctx should wait */
-		mfc_debug(1, "Couldn't lock HW\n");
-		return;
-	}
-	/* Choose the context to run */
-	new_ctx = s5p_mfc_get_new_ctx(dev);
-	if (new_ctx < 0) {
-		/* No contexts to run */
-		if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
-			mfc_err("Failed to unlock hardware\n");
-			return;
-		}
-		mfc_debug(1, "No ctx is scheduled to be run\n");
-		return;
-	}
-	ctx = dev->ctx[new_ctx];
-	/* Got context to run in ctx */
-	/*
-	 * Last frame has already been sent to MFC.
-	 * Now obtaining frames from MFC buffer
-	 */
-	s5p_mfc_clock_on();
-	if (ctx->type == MFCINST_DECODER) {
-		s5p_mfc_set_dec_desc_buffer(ctx);
-		switch (ctx->state) {
-		case MFCINST_FINISHING:
-			s5p_mfc_run_dec_frame(ctx, MFC_DEC_LAST_FRAME);
-			break;
-		case MFCINST_RUNNING:
-			ret = s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
-			break;
-		case MFCINST_INIT:
-			s5p_mfc_clean_ctx_int_flags(ctx);
-			ret = s5p_mfc_open_inst_cmd(ctx);
-			break;
-		case MFCINST_RETURN_INST:
-			s5p_mfc_clean_ctx_int_flags(ctx);
-			ret = s5p_mfc_close_inst_cmd(ctx);
-			break;
-		case MFCINST_GOT_INST:
-			s5p_mfc_run_init_dec(ctx);
-			break;
-		case MFCINST_HEAD_PARSED:
-			ret = s5p_mfc_run_init_dec_buffers(ctx);
-			mfc_debug(1, "head parsed\n");
-			break;
-		case MFCINST_RES_CHANGE_INIT:
-			s5p_mfc_run_res_change(ctx);
-			break;
-		case MFCINST_RES_CHANGE_FLUSH:
-			s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
-			break;
-		case MFCINST_RES_CHANGE_END:
-			mfc_debug(2, "Finished remaining frames after resolution change\n");
-			ctx->capture_state = QUEUE_FREE;
-			mfc_debug(2, "Will re-init the codec\n");
-			s5p_mfc_run_init_dec(ctx);
-			break;
-		default:
-			ret = -EAGAIN;
-		}
-	} else if (ctx->type == MFCINST_ENCODER) {
-		switch (ctx->state) {
-		case MFCINST_FINISHING:
-		case MFCINST_RUNNING:
-			ret = s5p_mfc_run_enc_frame(ctx);
-			break;
-		case MFCINST_INIT:
-			s5p_mfc_clean_ctx_int_flags(ctx);
-			ret = s5p_mfc_open_inst_cmd(ctx);
-			break;
-		case MFCINST_RETURN_INST:
-			s5p_mfc_clean_ctx_int_flags(ctx);
-			ret = s5p_mfc_close_inst_cmd(ctx);
-			break;
-		case MFCINST_GOT_INST:
-			s5p_mfc_run_init_enc(ctx);
-			break;
-		default:
-			ret = -EAGAIN;
-		}
-	} else {
-		mfc_err("Invalid context type: %d\n", ctx->type);
-		ret = -EAGAIN;
-	}
-
-	if (ret) {
-		/* Free hardware lock */
-		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
-			mfc_err("Failed to unlock hardware\n");
-
-		/* This is in deed imporant, as no operation has been
-		 * scheduled, reduce the clock count as no one will
-		 * ever do this, because no interrupt related to this try_run
-		 * will ever come from hardware. */
-		s5p_mfc_clock_off();
-	}
-}
-
-
-void s5p_mfc_cleanup_queue(struct list_head *lh, struct vb2_queue *vq)
-{
-	struct s5p_mfc_buf *b;
-	int i;
-
-	while (!list_empty(lh)) {
-		b = list_entry(lh->next, struct s5p_mfc_buf, list);
-		for (i = 0; i < b->b->num_planes; i++)
-			vb2_set_plane_payload(b->b, i, 0);
-		vb2_buffer_done(b->b, VB2_BUF_STATE_ERROR);
-		list_del(&b->list);
-	}
-}
-
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
index 2ad3def052f..420abecafec 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
@@ -1,10 +1,10 @@
 /*
- * drivers/media/platform/samsung/mfc5/s5p_mfc_opr.h
+ * drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
  *
  * Header file for Samsung MFC (Multi Function Codec - FIMV) driver
  * Contains declarations of hw related functions.
  *
- * Kamil Debski, Copyright (C) 2011 Samsung Electronics
+ * Kamil Debski, Copyright (C) 2012 Samsung Electronics Co., Ltd.
  * http://www.samsung.com/
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,77 +17,68 @@
 
 #include "s5p_mfc_common.h"
 
-int s5p_mfc_init_decode(struct s5p_mfc_ctx *ctx);
-int s5p_mfc_init_encode(struct s5p_mfc_ctx *mfc_ctx);
+struct s5p_mfc_hw_ops {
+	int (*alloc_dec_temp_buffers)(struct s5p_mfc_ctx *ctx);
+	void (*release_dec_desc_buffer)(struct s5p_mfc_ctx *ctx);
+	int (*alloc_codec_buffers)(struct s5p_mfc_ctx *ctx);
+	void (*release_codec_buffers)(struct s5p_mfc_ctx *ctx);
+	int (*alloc_instance_buffer)(struct s5p_mfc_ctx *ctx);
+	void (*release_instance_buffer)(struct s5p_mfc_ctx *ctx);
+	int (*alloc_dev_context_buffer)(struct s5p_mfc_dev *dev);
+	void (*release_dev_context_buffer)(struct s5p_mfc_dev *dev);
+	void (*dec_calc_dpb_size)(struct s5p_mfc_ctx *ctx);
+	void (*enc_calc_src_size)(struct s5p_mfc_ctx *ctx);
+	int (*set_dec_stream_buffer)(struct s5p_mfc_ctx *ctx,
+			int buf_addr, unsigned int start_num_byte,
+			unsigned int buf_size);
+	int (*set_dec_frame_buffer)(struct s5p_mfc_ctx *ctx);
+	int (*set_enc_stream_buffer)(struct s5p_mfc_ctx *ctx,
+			unsigned long addr, unsigned int size);
+	void (*set_enc_frame_buffer)(struct s5p_mfc_ctx *ctx,
+			unsigned long y_addr, unsigned long c_addr);
+	void (*get_enc_frame_buffer)(struct s5p_mfc_ctx *ctx,
+			unsigned long *y_addr, unsigned long *c_addr);
+	int (*set_enc_ref_buffer)(struct s5p_mfc_ctx *ctx);
+	int (*init_decode)(struct s5p_mfc_ctx *ctx);
+	int (*init_encode)(struct s5p_mfc_ctx *ctx);
+	int (*encode_one_frame)(struct s5p_mfc_ctx *ctx);
+	void (*try_run)(struct s5p_mfc_dev *dev);
+	void (*cleanup_queue)(struct list_head *lh,
+			struct vb2_queue *vq);
+	void (*clear_int_flags)(struct s5p_mfc_dev *dev);
+	void (*write_info)(struct s5p_mfc_ctx *ctx, unsigned int data,
+			unsigned int ofs);
+	unsigned int (*read_info)(struct s5p_mfc_ctx *ctx,
+			unsigned int ofs);
+	int (*get_dspl_y_adr)(struct s5p_mfc_dev *dev);
+	int (*get_dec_y_adr)(struct s5p_mfc_dev *dev);
+	int (*get_dspl_status)(struct s5p_mfc_dev *dev);
+	int (*get_dec_status)(struct s5p_mfc_dev *dev);
+	int (*get_dec_frame_type)(struct s5p_mfc_dev *dev);
+	int (*get_disp_frame_type)(struct s5p_mfc_ctx *ctx);
+	int (*get_consumed_stream)(struct s5p_mfc_dev *dev);
+	int (*get_int_reason)(struct s5p_mfc_dev *dev);
+	int (*get_int_err)(struct s5p_mfc_dev *dev);
+	int (*err_dec)(unsigned int err);
+	int (*err_dspl)(unsigned int err);
+	int (*get_img_width)(struct s5p_mfc_dev *dev);
+	int (*get_img_height)(struct s5p_mfc_dev *dev);
+	int (*get_dpb_count)(struct s5p_mfc_dev *dev);
+	int (*get_mv_count)(struct s5p_mfc_dev *dev);
+	int (*get_inst_no)(struct s5p_mfc_dev *dev);
+	int (*get_enc_strm_size)(struct s5p_mfc_dev *dev);
+	int (*get_enc_slice_type)(struct s5p_mfc_dev *dev);
+	int (*get_enc_dpb_count)(struct s5p_mfc_dev *dev);
+	int (*get_enc_pic_count)(struct s5p_mfc_dev *dev);
+	int (*get_sei_avail_status)(struct s5p_mfc_ctx *ctx);
+	int (*get_mvc_num_views)(struct s5p_mfc_dev *dev);
+	int (*get_mvc_view_id)(struct s5p_mfc_dev *dev);
+	unsigned int (*get_pic_type_top)(struct s5p_mfc_ctx *ctx);
+	unsigned int (*get_pic_type_bot)(struct s5p_mfc_ctx *ctx);
+	unsigned int (*get_crop_info_h)(struct s5p_mfc_ctx *ctx);
+	unsigned int (*get_crop_info_v)(struct s5p_mfc_ctx *ctx);
+};
 
-/* Decoding functions */
-int s5p_mfc_set_dec_frame_buffer(struct s5p_mfc_ctx *ctx);
-int s5p_mfc_set_dec_stream_buffer(struct s5p_mfc_ctx *ctx, int buf_addr,
-						  unsigned int start_num_byte,
-						  unsigned int buf_size);
-
-/* Encoding functions */
-void s5p_mfc_set_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
-		unsigned long y_addr, unsigned long c_addr);
-int s5p_mfc_set_enc_stream_buffer(struct s5p_mfc_ctx *ctx,
-		unsigned long addr, unsigned int size);
-void s5p_mfc_get_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
-		unsigned long *y_addr, unsigned long *c_addr);
-int s5p_mfc_set_enc_ref_buffer(struct s5p_mfc_ctx *mfc_ctx);
-
-int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *ctx,
-					enum s5p_mfc_decode_arg last_frame);
-int s5p_mfc_encode_one_frame(struct s5p_mfc_ctx *mfc_ctx);
-
-/* Memory allocation */
-int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *ctx);
-void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx);
-void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *ctx);
-
-int s5p_mfc_alloc_codec_buffers(struct s5p_mfc_ctx *ctx);
-void s5p_mfc_release_codec_buffers(struct s5p_mfc_ctx *ctx);
-
-int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx);
-void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *ctx);
-
-void s5p_mfc_try_run(struct s5p_mfc_dev *dev);
-void s5p_mfc_cleanup_queue(struct list_head *lh, struct vb2_queue *vq);
-
-#define s5p_mfc_get_dspl_y_adr()	(readl(dev->regs_base + \
-					S5P_FIMV_SI_DISPLAY_Y_ADR) << \
-					MFC_OFFSET_SHIFT)
-#define s5p_mfc_get_dec_y_adr()		(readl(dev->regs_base + \
-					S5P_FIMV_SI_DECODE_Y_ADR) << \
-					MFC_OFFSET_SHIFT)
-#define s5p_mfc_get_dspl_status()	readl(dev->regs_base + \
-						S5P_FIMV_SI_DISPLAY_STATUS)
-#define s5p_mfc_get_dec_status()	readl(dev->regs_base + \
-						S5P_FIMV_SI_DECODE_STATUS)
-#define s5p_mfc_get_frame_type()	(readl(dev->regs_base + \
-						S5P_FIMV_DECODE_FRAME_TYPE) \
-					& S5P_FIMV_DECODE_FRAME_MASK)
-#define s5p_mfc_get_consumed_stream()	readl(dev->regs_base + \
-						S5P_FIMV_SI_CONSUMED_BYTES)
-#define s5p_mfc_get_int_reason()	(readl(dev->regs_base + \
-					S5P_FIMV_RISC2HOST_CMD) & \
-					S5P_FIMV_RISC2HOST_CMD_MASK)
-#define s5p_mfc_get_int_err()		readl(dev->regs_base + \
-						S5P_FIMV_RISC2HOST_ARG2)
-#define s5p_mfc_err_dec(x)		(((x) & S5P_FIMV_ERR_DEC_MASK) >> \
-							S5P_FIMV_ERR_DEC_SHIFT)
-#define s5p_mfc_err_dspl(x)		(((x) & S5P_FIMV_ERR_DSPL_MASK) >> \
-							S5P_FIMV_ERR_DSPL_SHIFT)
-#define s5p_mfc_get_img_width()		readl(dev->regs_base + \
-						S5P_FIMV_SI_HRESOL)
-#define s5p_mfc_get_img_height()	readl(dev->regs_base + \
-						S5P_FIMV_SI_VRESOL)
-#define s5p_mfc_get_dpb_count()		readl(dev->regs_base + \
-						S5P_FIMV_SI_BUF_NUMBER)
-#define s5p_mfc_get_inst_no()		readl(dev->regs_base + \
-						S5P_FIMV_RISC2HOST_ARG1)
-#define s5p_mfc_get_enc_strm_size()	readl(dev->regs_base + \
-						S5P_FIMV_ENC_SI_STRM_SIZE)
-#define s5p_mfc_get_enc_slice_type()	readl(dev->regs_base + \
-						S5P_FIMV_ENC_SI_SLICE_TYPE)
+void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev);
 
 #endif /* S5P_MFC_OPR_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
new file mode 100644
index 00000000000..bf7d010a410
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
@@ -0,0 +1,1794 @@
+/*
+ * drivers/media/platform/samsung/mfc5/s5p_mfc_opr_v5.c
+ *
+ * Samsung MFC (Multi Function Codec - FIMV) driver
+ * This file contains hw related functions.
+ *
+ * Kamil Debski, Copyright (c) 2011 Samsung Electronics
+ * http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "s5p_mfc_common.h"
+#include "s5p_mfc_cmd.h"
+#include "s5p_mfc_ctrl.h"
+#include "s5p_mfc_debug.h"
+#include "s5p_mfc_intr.h"
+#include "s5p_mfc_pm.h"
+#include "s5p_mfc_opr.h"
+#include "s5p_mfc_opr_v5.h"
+#include <asm/cacheflush.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/firmware.h>
+#include <linux/io.h>
+#include <linux/jiffies.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+
+#define OFFSETA(x)		(((x) - dev->bank1) >> MFC_OFFSET_SHIFT)
+#define OFFSETB(x)		(((x) - dev->bank2) >> MFC_OFFSET_SHIFT)
+
+/* Allocate temporary buffers for decoding */
+int s5p_mfc_alloc_dec_temp_buffers_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
+
+	ctx->dsc.alloc = vb2_dma_contig_memops.alloc(
+			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX],
+			buf_size->dsc);
+	if (IS_ERR_VALUE((int)ctx->dsc.alloc)) {
+		ctx->dsc.alloc = NULL;
+		mfc_err("Allocating DESC buffer failed\n");
+		return -ENOMEM;
+	}
+	ctx->dsc.dma = s5p_mfc_mem_cookie(
+			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->dsc.alloc);
+	BUG_ON(ctx->dsc.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
+	ctx->dsc.virt = vb2_dma_contig_memops.vaddr(ctx->dsc.alloc);
+	if (ctx->dsc.virt == NULL) {
+		vb2_dma_contig_memops.put(ctx->dsc.alloc);
+		ctx->dsc.dma = 0;
+		ctx->dsc.alloc = NULL;
+		mfc_err("Remapping DESC buffer failed\n");
+		return -ENOMEM;
+	}
+	memset(ctx->dsc.virt, 0, buf_size->dsc);
+	wmb();
+	return 0;
+}
+
+/* Release temporary buffers for decoding */
+void s5p_mfc_release_dec_desc_buffer_v5(struct s5p_mfc_ctx *ctx)
+{
+	if (ctx->dsc.dma) {
+		vb2_dma_contig_memops.put(ctx->dsc.alloc);
+		ctx->dsc.alloc = NULL;
+		ctx->dsc.dma = 0;
+	}
+}
+
+/* Allocate codec buffers */
+int s5p_mfc_alloc_codec_buffers_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned int enc_ref_y_size = 0;
+	unsigned int enc_ref_c_size = 0;
+	unsigned int guard_width, guard_height;
+
+	if (ctx->type == MFCINST_DECODER) {
+		mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
+			  ctx->luma_size, ctx->chroma_size, ctx->mv_size);
+		mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
+	} else if (ctx->type == MFCINST_ENCODER) {
+		enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
+			* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
+		enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
+
+		if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC) {
+			enc_ref_c_size = ALIGN(ctx->img_width,
+						S5P_FIMV_NV12MT_HALIGN)
+						* ALIGN(ctx->img_height >> 1,
+						S5P_FIMV_NV12MT_VALIGN);
+			enc_ref_c_size = ALIGN(enc_ref_c_size,
+							S5P_FIMV_NV12MT_SALIGN);
+		} else {
+			guard_width = ALIGN(ctx->img_width + 16,
+							S5P_FIMV_NV12MT_HALIGN);
+			guard_height = ALIGN((ctx->img_height >> 1) + 4,
+							S5P_FIMV_NV12MT_VALIGN);
+			enc_ref_c_size = ALIGN(guard_width * guard_height,
+					       S5P_FIMV_NV12MT_SALIGN);
+		}
+		mfc_debug(2, "recon luma size: %d chroma size: %d\n",
+			  enc_ref_y_size, enc_ref_c_size);
+	} else {
+		return -EINVAL;
+	}
+	/* Codecs have different memory requirements */
+	switch (ctx->codec_mode) {
+	case S5P_MFC_CODEC_H264_DEC:
+		ctx->bank1_size =
+		    ALIGN(S5P_FIMV_DEC_NB_IP_SIZE +
+					S5P_FIMV_DEC_VERT_NB_MV_SIZE,
+					S5P_FIMV_DEC_BUF_ALIGN);
+		ctx->bank2_size = ctx->total_dpb_count * ctx->mv_size;
+		break;
+	case S5P_MFC_CODEC_MPEG4_DEC:
+		ctx->bank1_size =
+		    ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE +
+				     S5P_FIMV_DEC_UPNB_MV_SIZE +
+				     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
+				     S5P_FIMV_DEC_STX_PARSER_SIZE +
+				     S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE,
+				     S5P_FIMV_DEC_BUF_ALIGN);
+		ctx->bank2_size = 0;
+		break;
+	case S5P_MFC_CODEC_VC1RCV_DEC:
+	case S5P_MFC_CODEC_VC1_DEC:
+		ctx->bank1_size =
+		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
+			     S5P_FIMV_DEC_UPNB_MV_SIZE +
+			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
+			     S5P_FIMV_DEC_NB_DCAC_SIZE +
+			     3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE,
+			     S5P_FIMV_DEC_BUF_ALIGN);
+		ctx->bank2_size = 0;
+		break;
+	case S5P_MFC_CODEC_MPEG2_DEC:
+		ctx->bank1_size = 0;
+		ctx->bank2_size = 0;
+		break;
+	case S5P_MFC_CODEC_H263_DEC:
+		ctx->bank1_size =
+		    ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
+			     S5P_FIMV_DEC_UPNB_MV_SIZE +
+			     S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
+			     S5P_FIMV_DEC_NB_DCAC_SIZE,
+			     S5P_FIMV_DEC_BUF_ALIGN);
+		ctx->bank2_size = 0;
+		break;
+	case S5P_MFC_CODEC_H264_ENC:
+		ctx->bank1_size = (enc_ref_y_size * 2) +
+				   S5P_FIMV_ENC_UPMV_SIZE +
+				   S5P_FIMV_ENC_COLFLG_SIZE +
+				   S5P_FIMV_ENC_INTRAMD_SIZE +
+				   S5P_FIMV_ENC_NBORINFO_SIZE;
+		ctx->bank2_size = (enc_ref_y_size * 2) +
+				   (enc_ref_c_size * 4) +
+				   S5P_FIMV_ENC_INTRAPRED_SIZE;
+		break;
+	case S5P_MFC_CODEC_MPEG4_ENC:
+		ctx->bank1_size = (enc_ref_y_size * 2) +
+				   S5P_FIMV_ENC_UPMV_SIZE +
+				   S5P_FIMV_ENC_COLFLG_SIZE +
+				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
+		ctx->bank2_size = (enc_ref_y_size * 2) +
+				   (enc_ref_c_size * 4);
+		break;
+	case S5P_MFC_CODEC_H263_ENC:
+		ctx->bank1_size = (enc_ref_y_size * 2) +
+				   S5P_FIMV_ENC_UPMV_SIZE +
+				   S5P_FIMV_ENC_ACDCCOEF_SIZE;
+		ctx->bank2_size = (enc_ref_y_size * 2) +
+				   (enc_ref_c_size * 4);
+		break;
+	default:
+		break;
+	}
+	/* Allocate only if memory from bank 1 is necessary */
+	if (ctx->bank1_size > 0) {
+		ctx->bank1_buf = vb2_dma_contig_memops.alloc(
+		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size);
+		if (IS_ERR(ctx->bank1_buf)) {
+			ctx->bank1_buf = NULL;
+			printk(KERN_ERR
+			       "Buf alloc for decoding failed (port A)\n");
+			return -ENOMEM;
+		}
+		ctx->bank1_phys = s5p_mfc_mem_cookie(
+		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_buf);
+		BUG_ON(ctx->bank1_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
+	}
+	/* Allocate only if memory from bank 2 is necessary */
+	if (ctx->bank2_size > 0) {
+		ctx->bank2_buf = vb2_dma_contig_memops.alloc(
+		dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_size);
+		if (IS_ERR(ctx->bank2_buf)) {
+			ctx->bank2_buf = NULL;
+			mfc_err("Buf alloc for decoding failed (port B)\n");
+			return -ENOMEM;
+		}
+		ctx->bank2_phys = s5p_mfc_mem_cookie(
+		dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_buf);
+		BUG_ON(ctx->bank2_phys & ((1 << MFC_BANK2_ALIGN_ORDER) - 1));
+	}
+	return 0;
+}
+
+/* Release buffers allocated for codec */
+void s5p_mfc_release_codec_buffers_v5(struct s5p_mfc_ctx *ctx)
+{
+	if (ctx->bank1_buf) {
+		vb2_dma_contig_memops.put(ctx->bank1_buf);
+		ctx->bank1_buf = NULL;
+		ctx->bank1_phys = 0;
+		ctx->bank1_size = 0;
+	}
+	if (ctx->bank2_buf) {
+		vb2_dma_contig_memops.put(ctx->bank2_buf);
+		ctx->bank2_buf = NULL;
+		ctx->bank2_phys = 0;
+		ctx->bank2_size = 0;
+	}
+}
+
+/* Allocate memory for instance data buffer */
+int s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
+
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
+		ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
+		ctx->ctx.size = buf_size->h264_ctx;
+	else
+		ctx->ctx.size = buf_size->non_h264_ctx;
+	ctx->ctx.alloc = vb2_dma_contig_memops.alloc(
+		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.size);
+	if (IS_ERR(ctx->ctx.alloc)) {
+		mfc_err("Allocating context buffer failed\n");
+		ctx->ctx.alloc = NULL;
+		return -ENOMEM;
+	}
+	ctx->ctx.dma = s5p_mfc_mem_cookie(
+		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.alloc);
+	BUG_ON(ctx->ctx.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
+	ctx->ctx.ofs = OFFSETA(ctx->ctx.dma);
+	ctx->ctx.virt = vb2_dma_contig_memops.vaddr(ctx->ctx.alloc);
+	if (!ctx->ctx.virt) {
+		mfc_err("Remapping instance buffer failed\n");
+		vb2_dma_contig_memops.put(ctx->ctx.alloc);
+		ctx->ctx.alloc = NULL;
+		ctx->ctx.ofs = 0;
+		ctx->ctx.dma = 0;
+		return -ENOMEM;
+	}
+	/* Zero content of the allocated memory */
+	memset(ctx->ctx.virt, 0, ctx->ctx.size);
+	wmb();
+
+	/* Initialize shared memory */
+	ctx->shm.alloc = vb2_dma_contig_memops.alloc(
+			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], buf_size->shm);
+	if (IS_ERR(ctx->shm.alloc)) {
+		mfc_err("failed to allocate shared memory\n");
+		return PTR_ERR(ctx->shm.alloc);
+	}
+	/* shared memory offset only keeps the offset from base (port a) */
+	ctx->shm.ofs = s5p_mfc_mem_cookie(
+			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->shm.alloc)
+								- dev->bank1;
+	BUG_ON(ctx->shm.ofs & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
+
+	ctx->shm.virt = vb2_dma_contig_memops.vaddr(ctx->shm.alloc);
+	if (!ctx->shm.virt) {
+		vb2_dma_contig_memops.put(ctx->shm.alloc);
+		ctx->shm.alloc = NULL;
+		ctx->shm.ofs = 0;
+		mfc_err("failed to virt addr of shared memory\n");
+		return -ENOMEM;
+	}
+	memset((void *)ctx->shm.virt, 0, buf_size->shm);
+	wmb();
+	return 0;
+}
+
+/* Release instance buffer */
+void s5p_mfc_release_instance_buffer_v5(struct s5p_mfc_ctx *ctx)
+{
+	if (ctx->ctx.alloc) {
+		vb2_dma_contig_memops.put(ctx->ctx.alloc);
+		ctx->ctx.alloc = NULL;
+		ctx->ctx.ofs = 0;
+		ctx->ctx.virt = NULL;
+		ctx->ctx.dma = 0;
+	}
+	if (ctx->shm.alloc) {
+		vb2_dma_contig_memops.put(ctx->shm.alloc);
+		ctx->shm.alloc = NULL;
+		ctx->shm.ofs = 0;
+		ctx->shm.virt = NULL;
+	}
+}
+
+int s5p_mfc_alloc_dev_context_buffer_v5(struct s5p_mfc_dev *dev)
+{
+	/* NOP */
+
+	return 0;
+}
+
+void s5p_mfc_release_dev_context_buffer_v5(struct s5p_mfc_dev *dev)
+{
+	/* NOP */
+}
+
+static void s5p_mfc_write_info_v5(struct s5p_mfc_ctx *ctx, unsigned int data,
+			unsigned int ofs)
+{
+	writel(data, (ctx->shm.virt + ofs));
+	wmb();
+}
+
+static unsigned int s5p_mfc_read_info_v5(struct s5p_mfc_ctx *ctx,
+				unsigned int ofs)
+{
+	rmb();
+	return readl(ctx->shm.virt + ofs);
+}
+
+void s5p_mfc_dec_calc_dpb_size_v5(struct s5p_mfc_ctx *ctx)
+{
+	unsigned int guard_width, guard_height;
+
+	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN);
+	ctx->buf_height = ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
+	mfc_debug(2,
+		"SEQ Done: Movie dimensions %dx%d, buffer dimensions: %dx%d\n",
+		ctx->img_width,	ctx->img_height, ctx->buf_width,
+		ctx->buf_height);
+
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC) {
+		ctx->luma_size = ALIGN(ctx->buf_width * ctx->buf_height,
+				S5P_FIMV_DEC_BUF_ALIGN);
+		ctx->chroma_size = ALIGN(ctx->buf_width *
+				ALIGN((ctx->img_height >> 1),
+					S5P_FIMV_NV12MT_VALIGN),
+				S5P_FIMV_DEC_BUF_ALIGN);
+		ctx->mv_size = ALIGN(ctx->buf_width *
+				ALIGN((ctx->buf_height >> 2),
+					S5P_FIMV_NV12MT_VALIGN),
+				S5P_FIMV_DEC_BUF_ALIGN);
+	} else {
+		guard_width =
+			ALIGN(ctx->img_width + 24, S5P_FIMV_NV12MT_HALIGN);
+		guard_height =
+			ALIGN(ctx->img_height + 16, S5P_FIMV_NV12MT_VALIGN);
+		ctx->luma_size = ALIGN(guard_width * guard_height,
+				S5P_FIMV_DEC_BUF_ALIGN);
+
+		guard_width =
+			ALIGN(ctx->img_width + 16, S5P_FIMV_NV12MT_HALIGN);
+		guard_height =
+			ALIGN((ctx->img_height >> 1) + 4,
+					S5P_FIMV_NV12MT_VALIGN);
+		ctx->chroma_size = ALIGN(guard_width * guard_height,
+				S5P_FIMV_DEC_BUF_ALIGN);
+
+		ctx->mv_size = 0;
+	}
+}
+
+void s5p_mfc_enc_calc_src_size_v5(struct s5p_mfc_ctx *ctx)
+{
+	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M) {
+		ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN);
+
+		ctx->luma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN)
+			* ALIGN(ctx->img_height, S5P_FIMV_NV12M_LVALIGN);
+		ctx->chroma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN)
+			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12M_CVALIGN);
+
+		ctx->luma_size = ALIGN(ctx->luma_size, S5P_FIMV_NV12M_SALIGN);
+		ctx->chroma_size =
+			ALIGN(ctx->chroma_size, S5P_FIMV_NV12M_SALIGN);
+	} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT) {
+		ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN);
+
+		ctx->luma_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
+			* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
+		ctx->chroma_size =
+			ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
+			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
+
+		ctx->luma_size = ALIGN(ctx->luma_size, S5P_FIMV_NV12MT_SALIGN);
+		ctx->chroma_size =
+			ALIGN(ctx->chroma_size, S5P_FIMV_NV12MT_SALIGN);
+	}
+}
+
+/* Set registers for decoding temporary buffers */
+static void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf_size_v5 *buf_size = dev->variant->buf_size->priv;
+
+	mfc_write(dev, OFFSETA(ctx->dsc.dma), S5P_FIMV_SI_CH0_DESC_ADR);
+	mfc_write(dev, buf_size->dsc, S5P_FIMV_SI_CH0_DESC_SIZE);
+}
+
+/* Set registers for shared buffer */
+static void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	mfc_write(dev, ctx->shm.ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR);
+}
+
+/* Set registers for decoding stream buffer */
+int s5p_mfc_set_dec_stream_buffer_v5(struct s5p_mfc_ctx *ctx, int buf_addr,
+		  unsigned int start_num_byte, unsigned int buf_size)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	mfc_write(dev, OFFSETA(buf_addr), S5P_FIMV_SI_CH0_SB_ST_ADR);
+	mfc_write(dev, ctx->dec_src_buf_size, S5P_FIMV_SI_CH0_CPB_SIZE);
+	mfc_write(dev, buf_size, S5P_FIMV_SI_CH0_SB_FRM_SIZE);
+	s5p_mfc_write_info_v5(ctx, start_num_byte, START_BYTE_NUM);
+	return 0;
+}
+
+/* Set decoding frame buffer */
+int s5p_mfc_set_dec_frame_buffer_v5(struct s5p_mfc_ctx *ctx)
+{
+	unsigned int frame_size, i;
+	unsigned int frame_size_ch, frame_size_mv;
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned int dpb;
+	size_t buf_addr1, buf_addr2;
+	int buf_size1, buf_size2;
+
+	buf_addr1 = ctx->bank1_phys;
+	buf_size1 = ctx->bank1_size;
+	buf_addr2 = ctx->bank2_phys;
+	buf_size2 = ctx->bank2_size;
+	dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
+						~S5P_FIMV_DPB_COUNT_MASK;
+	mfc_write(dev, ctx->total_dpb_count | dpb,
+						S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
+	s5p_mfc_set_shared_buffer(ctx);
+	switch (ctx->codec_mode) {
+	case S5P_MFC_CODEC_H264_DEC:
+		mfc_write(dev, OFFSETA(buf_addr1),
+						S5P_FIMV_H264_VERT_NB_MV_ADR);
+		buf_addr1 += S5P_FIMV_DEC_VERT_NB_MV_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_VERT_NB_MV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_NB_IP_ADR);
+		buf_addr1 += S5P_FIMV_DEC_NB_IP_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_NB_IP_SIZE;
+		break;
+	case S5P_MFC_CODEC_MPEG4_DEC:
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_NB_DCAC_ADR);
+		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_NB_MV_ADR);
+		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SA_MV_ADR);
+		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SP_ADR);
+		buf_addr1 += S5P_FIMV_DEC_STX_PARSER_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_STX_PARSER_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_OT_LINE_ADR);
+		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
+		break;
+	case S5P_MFC_CODEC_H263_DEC:
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_OT_LINE_ADR);
+		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_NB_MV_ADR);
+		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_SA_MV_ADR);
+		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_NB_DCAC_ADR);
+		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
+		break;
+	case S5P_MFC_CODEC_VC1_DEC:
+	case S5P_MFC_CODEC_VC1RCV_DEC:
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_NB_DCAC_ADR);
+		buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_OT_LINE_ADR);
+		buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_UP_NB_MV_ADR);
+		buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_SA_MV_ADR);
+		buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE3_ADR);
+		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE2_ADR);
+		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE1_ADR);
+		buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
+		buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
+		break;
+	case S5P_MFC_CODEC_MPEG2_DEC:
+		break;
+	default:
+		mfc_err("Unknown codec for decoding (%x)\n",
+			ctx->codec_mode);
+		return -EINVAL;
+		break;
+	}
+	frame_size = ctx->luma_size;
+	frame_size_ch = ctx->chroma_size;
+	frame_size_mv = ctx->mv_size;
+	mfc_debug(2, "Frm size: %d ch: %d mv: %d\n", frame_size, frame_size_ch,
+								frame_size_mv);
+	for (i = 0; i < ctx->total_dpb_count; i++) {
+		/* Bank2 */
+		mfc_debug(2, "Luma %d: %x\n", i,
+					ctx->dst_bufs[i].cookie.raw.luma);
+		mfc_write(dev, OFFSETB(ctx->dst_bufs[i].cookie.raw.luma),
+						S5P_FIMV_DEC_LUMA_ADR + i * 4);
+		mfc_debug(2, "\tChroma %d: %x\n", i,
+					ctx->dst_bufs[i].cookie.raw.chroma);
+		mfc_write(dev, OFFSETA(ctx->dst_bufs[i].cookie.raw.chroma),
+					       S5P_FIMV_DEC_CHROMA_ADR + i * 4);
+		if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC) {
+			mfc_debug(2, "\tBuf2: %x, size: %d\n",
+							buf_addr2, buf_size2);
+			mfc_write(dev, OFFSETB(buf_addr2),
+						S5P_FIMV_H264_MV_ADR + i * 4);
+			buf_addr2 += frame_size_mv;
+			buf_size2 -= frame_size_mv;
+		}
+	}
+	mfc_debug(2, "Buf1: %u, buf_size1: %d\n", buf_addr1, buf_size1);
+	mfc_debug(2, "Buf 1/2 size after: %d/%d (frames %d)\n",
+			buf_size1,  buf_size2, ctx->total_dpb_count);
+	if (buf_size1 < 0 || buf_size2 < 0) {
+		mfc_debug(2, "Not enough memory has been allocated\n");
+		return -ENOMEM;
+	}
+	s5p_mfc_write_info_v5(ctx, frame_size, ALLOC_LUMA_DPB_SIZE);
+	s5p_mfc_write_info_v5(ctx, frame_size_ch, ALLOC_CHROMA_DPB_SIZE);
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC)
+		s5p_mfc_write_info_v5(ctx, frame_size_mv, ALLOC_MV_SIZE);
+	mfc_write(dev, ((S5P_FIMV_CH_INIT_BUFS & S5P_FIMV_CH_MASK)
+					<< S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
+						S5P_FIMV_SI_CH0_INST_ID);
+	return 0;
+}
+
+/* Set registers for encoding stream buffer */
+int s5p_mfc_set_enc_stream_buffer_v5(struct s5p_mfc_ctx *ctx,
+		unsigned long addr, unsigned int size)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	mfc_write(dev, OFFSETA(addr), S5P_FIMV_ENC_SI_CH0_SB_ADR);
+	mfc_write(dev, size, S5P_FIMV_ENC_SI_CH0_SB_SIZE);
+	return 0;
+}
+
+void s5p_mfc_set_enc_frame_buffer_v5(struct s5p_mfc_ctx *ctx,
+		unsigned long y_addr, unsigned long c_addr)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	mfc_write(dev, OFFSETB(y_addr), S5P_FIMV_ENC_SI_CH0_CUR_Y_ADR);
+	mfc_write(dev, OFFSETB(c_addr), S5P_FIMV_ENC_SI_CH0_CUR_C_ADR);
+}
+
+void s5p_mfc_get_enc_frame_buffer_v5(struct s5p_mfc_ctx *ctx,
+		unsigned long *y_addr, unsigned long *c_addr)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	*y_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_Y_ADDR)
+							<< MFC_OFFSET_SHIFT);
+	*c_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_C_ADDR)
+							<< MFC_OFFSET_SHIFT);
+}
+
+/* Set encoding ref & codec buffer */
+int s5p_mfc_set_enc_ref_buffer_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	size_t buf_addr1, buf_addr2;
+	size_t buf_size1, buf_size2;
+	unsigned int enc_ref_y_size, enc_ref_c_size;
+	unsigned int guard_width, guard_height;
+	int i;
+
+	buf_addr1 = ctx->bank1_phys;
+	buf_size1 = ctx->bank1_size;
+	buf_addr2 = ctx->bank2_phys;
+	buf_size2 = ctx->bank2_size;
+	enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
+		* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
+	enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC) {
+		enc_ref_c_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
+			* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
+		enc_ref_c_size = ALIGN(enc_ref_c_size, S5P_FIMV_NV12MT_SALIGN);
+	} else {
+		guard_width = ALIGN(ctx->img_width + 16,
+						S5P_FIMV_NV12MT_HALIGN);
+		guard_height = ALIGN((ctx->img_height >> 1) + 4,
+						S5P_FIMV_NV12MT_VALIGN);
+		enc_ref_c_size = ALIGN(guard_width * guard_height,
+				       S5P_FIMV_NV12MT_SALIGN);
+	}
+	mfc_debug(2, "buf_size1: %d, buf_size2: %d\n", buf_size1, buf_size2);
+	switch (ctx->codec_mode) {
+	case S5P_MFC_CODEC_H264_ENC:
+		for (i = 0; i < 2; i++) {
+			mfc_write(dev, OFFSETA(buf_addr1),
+				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
+			buf_addr1 += enc_ref_y_size;
+			buf_size1 -= enc_ref_y_size;
+
+			mfc_write(dev, OFFSETB(buf_addr2),
+				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
+			buf_addr2 += enc_ref_y_size;
+			buf_size2 -= enc_ref_y_size;
+		}
+		for (i = 0; i < 4; i++) {
+			mfc_write(dev, OFFSETB(buf_addr2),
+				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
+			buf_addr2 += enc_ref_c_size;
+			buf_size2 -= enc_ref_c_size;
+		}
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_UP_MV_ADR);
+		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1),
+					S5P_FIMV_H264_COZERO_FLAG_ADR);
+		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1),
+					S5P_FIMV_H264_UP_INTRA_MD_ADR);
+		buf_addr1 += S5P_FIMV_ENC_INTRAMD_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_INTRAMD_SIZE;
+		mfc_write(dev, OFFSETB(buf_addr2),
+					S5P_FIMV_H264_UP_INTRA_PRED_ADR);
+		buf_addr2 += S5P_FIMV_ENC_INTRAPRED_SIZE;
+		buf_size2 -= S5P_FIMV_ENC_INTRAPRED_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1),
+					S5P_FIMV_H264_NBOR_INFO_ADR);
+		buf_addr1 += S5P_FIMV_ENC_NBORINFO_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_NBORINFO_SIZE;
+		mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
+			buf_size1, buf_size2);
+		break;
+	case S5P_MFC_CODEC_MPEG4_ENC:
+		for (i = 0; i < 2; i++) {
+			mfc_write(dev, OFFSETA(buf_addr1),
+				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
+			buf_addr1 += enc_ref_y_size;
+			buf_size1 -= enc_ref_y_size;
+			mfc_write(dev, OFFSETB(buf_addr2),
+				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
+			buf_addr2 += enc_ref_y_size;
+			buf_size2 -= enc_ref_y_size;
+		}
+		for (i = 0; i < 4; i++) {
+			mfc_write(dev, OFFSETB(buf_addr2),
+				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
+			buf_addr2 += enc_ref_c_size;
+			buf_size2 -= enc_ref_c_size;
+		}
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_MV_ADR);
+		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1),
+						S5P_FIMV_MPEG4_COZERO_FLAG_ADR);
+		buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1),
+						S5P_FIMV_MPEG4_ACDC_COEF_ADR);
+		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
+		mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
+			buf_size1, buf_size2);
+		break;
+	case S5P_MFC_CODEC_H263_ENC:
+		for (i = 0; i < 2; i++) {
+			mfc_write(dev, OFFSETA(buf_addr1),
+				S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
+			buf_addr1 += enc_ref_y_size;
+			buf_size1 -= enc_ref_y_size;
+			mfc_write(dev, OFFSETB(buf_addr2),
+				S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
+			buf_addr2 += enc_ref_y_size;
+			buf_size2 -= enc_ref_y_size;
+		}
+		for (i = 0; i < 4; i++) {
+			mfc_write(dev, OFFSETB(buf_addr2),
+				S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
+			buf_addr2 += enc_ref_c_size;
+			buf_size2 -= enc_ref_c_size;
+		}
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_MV_ADR);
+		buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
+		mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_ACDC_COEF_ADR);
+		buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
+		buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
+		mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
+			buf_size1, buf_size2);
+		break;
+	default:
+		mfc_err("Unknown codec set for encoding: %d\n",
+			ctx->codec_mode);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	unsigned int reg;
+	unsigned int shm;
+
+	/* width */
+	mfc_write(dev, ctx->img_width, S5P_FIMV_ENC_HSIZE_PX);
+	/* height */
+	mfc_write(dev, ctx->img_height, S5P_FIMV_ENC_VSIZE_PX);
+	/* pictype : enable, IDR period */
+	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
+	reg |= (1 << 18);
+	reg &= ~(0xFFFF);
+	reg |= p->gop_size;
+	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
+	mfc_write(dev, 0, S5P_FIMV_ENC_B_RECON_WRITE_ON);
+	/* multi-slice control */
+	/* multi-slice MB number or bit size */
+	mfc_write(dev, p->slice_mode, S5P_FIMV_ENC_MSLICE_CTRL);
+	if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
+		mfc_write(dev, p->slice_mb, S5P_FIMV_ENC_MSLICE_MB);
+	} else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
+		mfc_write(dev, p->slice_bit, S5P_FIMV_ENC_MSLICE_BIT);
+	} else {
+		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_MB);
+		mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_BIT);
+	}
+	/* cyclic intra refresh */
+	mfc_write(dev, p->intra_refresh_mb, S5P_FIMV_ENC_CIR_CTRL);
+	/* memory structure cur. frame */
+	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
+		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
+	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
+		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
+	/* padding control & value */
+	reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL);
+	if (p->pad) {
+		/** enable */
+		reg |= (1 << 31);
+		/** cr value */
+		reg &= ~(0xFF << 16);
+		reg |= (p->pad_cr << 16);
+		/** cb value */
+		reg &= ~(0xFF << 8);
+		reg |= (p->pad_cb << 8);
+		/** y value */
+		reg &= ~(0xFF);
+		reg |= (p->pad_luma);
+	} else {
+		/** disable & all value clear */
+		reg = 0;
+	}
+	mfc_write(dev, reg, S5P_FIMV_ENC_PADDING_CTRL);
+	/* rate control config. */
+	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
+	/** frame-level rate control */
+	reg &= ~(0x1 << 9);
+	reg |= (p->rc_frame << 9);
+	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
+	/* bit rate */
+	if (p->rc_frame)
+		mfc_write(dev, p->rc_bitrate,
+			S5P_FIMV_ENC_RC_BIT_RATE);
+	else
+		mfc_write(dev, 0, S5P_FIMV_ENC_RC_BIT_RATE);
+	/* reaction coefficient */
+	if (p->rc_frame)
+		mfc_write(dev, p->rc_reaction_coeff, S5P_FIMV_ENC_RC_RPARA);
+	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
+	/* seq header ctrl */
+	shm &= ~(0x1 << 3);
+	shm |= (p->seq_hdr_mode << 3);
+	/* frame skip mode */
+	shm &= ~(0x3 << 1);
+	shm |= (p->frame_skip_mode << 1);
+	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
+	/* fixed target bit */
+	s5p_mfc_write_info_v5(ctx, p->fixed_target_bit, RC_CONTROL_CONFIG);
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	struct s5p_mfc_h264_enc_params *p_264 = &p->codec.h264;
+	unsigned int reg;
+	unsigned int shm;
+
+	s5p_mfc_set_enc_params(ctx);
+	/* pictype : number of B */
+	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
+	/* num_b_frame - 0 ~ 2 */
+	reg &= ~(0x3 << 16);
+	reg |= (p->num_b_frame << 16);
+	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
+	/* profile & level */
+	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
+	/* level */
+	reg &= ~(0xFF << 8);
+	reg |= (p_264->level << 8);
+	/* profile - 0 ~ 2 */
+	reg &= ~(0x3F);
+	reg |= p_264->profile;
+	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
+	/* interlace  */
+	mfc_write(dev, p_264->interlace, S5P_FIMV_ENC_PIC_STRUCT);
+	/* height */
+	if (p_264->interlace)
+		mfc_write(dev, ctx->img_height >> 1, S5P_FIMV_ENC_VSIZE_PX);
+	/* loopfilter ctrl */
+	mfc_write(dev, p_264->loop_filter_mode, S5P_FIMV_ENC_LF_CTRL);
+	/* loopfilter alpha offset */
+	if (p_264->loop_filter_alpha < 0) {
+		reg = 0x10;
+		reg |= (0xFF - p_264->loop_filter_alpha) + 1;
+	} else {
+		reg = 0x00;
+		reg |= (p_264->loop_filter_alpha & 0xF);
+	}
+	mfc_write(dev, reg, S5P_FIMV_ENC_ALPHA_OFF);
+	/* loopfilter beta offset */
+	if (p_264->loop_filter_beta < 0) {
+		reg = 0x10;
+		reg |= (0xFF - p_264->loop_filter_beta) + 1;
+	} else {
+		reg = 0x00;
+		reg |= (p_264->loop_filter_beta & 0xF);
+	}
+	mfc_write(dev, reg, S5P_FIMV_ENC_BETA_OFF);
+	/* entropy coding mode */
+	if (p_264->entropy_mode == V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC)
+		mfc_write(dev, 1, S5P_FIMV_ENC_H264_ENTROPY_MODE);
+	else
+		mfc_write(dev, 0, S5P_FIMV_ENC_H264_ENTROPY_MODE);
+	/* number of ref. picture */
+	reg = mfc_read(dev, S5P_FIMV_ENC_H264_NUM_OF_REF);
+	/* num of ref. pictures of P */
+	reg &= ~(0x3 << 5);
+	reg |= (p_264->num_ref_pic_4p << 5);
+	/* max number of ref. pictures */
+	reg &= ~(0x1F);
+	reg |= p_264->max_ref_pic;
+	mfc_write(dev, reg, S5P_FIMV_ENC_H264_NUM_OF_REF);
+	/* 8x8 transform enable */
+	mfc_write(dev, p_264->_8x8_transform, S5P_FIMV_ENC_H264_TRANS_FLAG);
+	/* rate control config. */
+	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
+	/* macroblock level rate control */
+	reg &= ~(0x1 << 8);
+	reg |= (p->rc_mb << 8);
+	/* frame QP */
+	reg &= ~(0x3F);
+	reg |= p_264->rc_frame_qp;
+	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
+	/* frame rate */
+	if (p->rc_frame && p->rc_framerate_denom)
+		mfc_write(dev, p->rc_framerate_num * 1000
+			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
+	else
+		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
+	/* max & min value of QP */
+	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
+	/* max QP */
+	reg &= ~(0x3F << 8);
+	reg |= (p_264->rc_max_qp << 8);
+	/* min QP */
+	reg &= ~(0x3F);
+	reg |= p_264->rc_min_qp;
+	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
+	/* macroblock adaptive scaling features */
+	if (p->rc_mb) {
+		reg = mfc_read(dev, S5P_FIMV_ENC_RC_MB_CTRL);
+		/* dark region */
+		reg &= ~(0x1 << 3);
+		reg |= (p_264->rc_mb_dark << 3);
+		/* smooth region */
+		reg &= ~(0x1 << 2);
+		reg |= (p_264->rc_mb_smooth << 2);
+		/* static region */
+		reg &= ~(0x1 << 1);
+		reg |= (p_264->rc_mb_static << 1);
+		/* high activity region */
+		reg &= ~(0x1);
+		reg |= p_264->rc_mb_activity;
+		mfc_write(dev, reg, S5P_FIMV_ENC_RC_MB_CTRL);
+	}
+	if (!p->rc_frame && !p->rc_mb) {
+		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
+		shm &= ~(0xFFF);
+		shm |= ((p_264->rc_b_frame_qp & 0x3F) << 6);
+		shm |= (p_264->rc_p_frame_qp & 0x3F);
+		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
+	}
+	/* extended encoder ctrl */
+	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
+	/* AR VUI control */
+	shm &= ~(0x1 << 15);
+	shm |= (p_264->vui_sar << 1);
+	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
+	if (p_264->vui_sar) {
+		/* aspect ration IDC */
+		shm = s5p_mfc_read_info_v5(ctx, SAMPLE_ASPECT_RATIO_IDC);
+		shm &= ~(0xFF);
+		shm |= p_264->vui_sar_idc;
+		s5p_mfc_write_info_v5(ctx, shm, SAMPLE_ASPECT_RATIO_IDC);
+		if (p_264->vui_sar_idc == 0xFF) {
+			/* sample  AR info */
+			shm = s5p_mfc_read_info_v5(ctx, EXTENDED_SAR);
+			shm &= ~(0xFFFFFFFF);
+			shm |= p_264->vui_ext_sar_width << 16;
+			shm |= p_264->vui_ext_sar_height;
+			s5p_mfc_write_info_v5(ctx, shm, EXTENDED_SAR);
+		}
+	}
+	/* intra picture period for H.264 */
+	shm = s5p_mfc_read_info_v5(ctx, H264_I_PERIOD);
+	/* control */
+	shm &= ~(0x1 << 16);
+	shm |= (p_264->open_gop << 16);
+	/* value */
+	if (p_264->open_gop) {
+		shm &= ~(0xFFFF);
+		shm |= p_264->open_gop_size;
+	}
+	s5p_mfc_write_info_v5(ctx, shm, H264_I_PERIOD);
+	/* extended encoder ctrl */
+	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
+	/* vbv buffer size */
+	if (p->frame_skip_mode ==
+			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
+		shm &= ~(0xFFFF << 16);
+		shm |= (p_264->cpb_size << 16);
+	}
+	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
+	unsigned int reg;
+	unsigned int shm;
+	unsigned int framerate;
+
+	s5p_mfc_set_enc_params(ctx);
+	/* pictype : number of B */
+	reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
+	/* num_b_frame - 0 ~ 2 */
+	reg &= ~(0x3 << 16);
+	reg |= (p->num_b_frame << 16);
+	mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
+	/* profile & level */
+	reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
+	/* level */
+	reg &= ~(0xFF << 8);
+	reg |= (p_mpeg4->level << 8);
+	/* profile - 0 ~ 2 */
+	reg &= ~(0x3F);
+	reg |= p_mpeg4->profile;
+	mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
+	/* quarter_pixel */
+	mfc_write(dev, p_mpeg4->quarter_pixel, S5P_FIMV_ENC_MPEG4_QUART_PXL);
+	/* qp */
+	if (!p->rc_frame) {
+		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
+		shm &= ~(0xFFF);
+		shm |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 6);
+		shm |= (p_mpeg4->rc_p_frame_qp & 0x3F);
+		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
+	}
+	/* frame rate */
+	if (p->rc_frame) {
+		if (p->rc_framerate_denom > 0) {
+			framerate = p->rc_framerate_num * 1000 /
+						p->rc_framerate_denom;
+			mfc_write(dev, framerate,
+				S5P_FIMV_ENC_RC_FRAME_RATE);
+			shm = s5p_mfc_read_info_v5(ctx, RC_VOP_TIMING);
+			shm &= ~(0xFFFFFFFF);
+			shm |= (1 << 31);
+			shm |= ((p->rc_framerate_num & 0x7FFF) << 16);
+			shm |= (p->rc_framerate_denom & 0xFFFF);
+			s5p_mfc_write_info_v5(ctx, shm, RC_VOP_TIMING);
+		}
+	} else {
+		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
+	}
+	/* rate control config. */
+	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
+	/* frame QP */
+	reg &= ~(0x3F);
+	reg |= p_mpeg4->rc_frame_qp;
+	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
+	/* max & min value of QP */
+	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
+	/* max QP */
+	reg &= ~(0x3F << 8);
+	reg |= (p_mpeg4->rc_max_qp << 8);
+	/* min QP */
+	reg &= ~(0x3F);
+	reg |= p_mpeg4->rc_min_qp;
+	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
+	/* extended encoder ctrl */
+	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
+	/* vbv buffer size */
+	if (p->frame_skip_mode ==
+			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
+		shm &= ~(0xFFFF << 16);
+		shm |= (p->vbv_size << 16);
+	}
+	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
+	unsigned int reg;
+	unsigned int shm;
+
+	s5p_mfc_set_enc_params(ctx);
+	/* qp */
+	if (!p->rc_frame) {
+		shm = s5p_mfc_read_info_v5(ctx, P_B_FRAME_QP);
+		shm &= ~(0xFFF);
+		shm |= (p_h263->rc_p_frame_qp & 0x3F);
+		s5p_mfc_write_info_v5(ctx, shm, P_B_FRAME_QP);
+	}
+	/* frame rate */
+	if (p->rc_frame && p->rc_framerate_denom)
+		mfc_write(dev, p->rc_framerate_num * 1000
+			/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
+	else
+		mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
+	/* rate control config. */
+	reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
+	/* frame QP */
+	reg &= ~(0x3F);
+	reg |= p_h263->rc_frame_qp;
+	mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
+	/* max & min value of QP */
+	reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
+	/* max QP */
+	reg &= ~(0x3F << 8);
+	reg |= (p_h263->rc_max_qp << 8);
+	/* min QP */
+	reg &= ~(0x3F);
+	reg |= p_h263->rc_min_qp;
+	mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
+	/* extended encoder ctrl */
+	shm = s5p_mfc_read_info_v5(ctx, EXT_ENC_CONTROL);
+	/* vbv buffer size */
+	if (p->frame_skip_mode ==
+			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
+		shm &= ~(0xFFFF << 16);
+		shm |= (p->vbv_size << 16);
+	}
+	s5p_mfc_write_info_v5(ctx, shm, EXT_ENC_CONTROL);
+	return 0;
+}
+
+/* Initialize decoding */
+int s5p_mfc_init_decode_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	s5p_mfc_set_shared_buffer(ctx);
+	/* Setup loop filter, for decoding this is only valid for MPEG4 */
+	if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_DEC)
+		mfc_write(dev, ctx->loop_filter_mpeg4, S5P_FIMV_ENC_LF_CTRL);
+	else
+		mfc_write(dev, 0, S5P_FIMV_ENC_LF_CTRL);
+	mfc_write(dev, ((ctx->slice_interface & S5P_FIMV_SLICE_INT_MASK) <<
+		S5P_FIMV_SLICE_INT_SHIFT) | (ctx->display_delay_enable <<
+		S5P_FIMV_DDELAY_ENA_SHIFT) | ((ctx->display_delay &
+		S5P_FIMV_DDELAY_VAL_MASK) << S5P_FIMV_DDELAY_VAL_SHIFT),
+		S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
+	mfc_write(dev,
+	((S5P_FIMV_CH_SEQ_HEADER & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
+				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
+	return 0;
+}
+
+static void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned int dpb;
+
+	if (flush)
+		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (
+			S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
+	else
+		dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
+			~(S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
+	mfc_write(dev, dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
+}
+
+/* Decode a single frame */
+int s5p_mfc_decode_one_frame_v5(struct s5p_mfc_ctx *ctx,
+					enum s5p_mfc_decode_arg last_frame)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	mfc_write(dev, ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF);
+	s5p_mfc_set_shared_buffer(ctx);
+	s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
+	/* Issue different commands to instance basing on whether it
+	 * is the last frame or not. */
+	switch (last_frame) {
+	case MFC_DEC_FRAME:
+		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START & S5P_FIMV_CH_MASK) <<
+		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
+		break;
+	case MFC_DEC_LAST_FRAME:
+		mfc_write(dev, ((S5P_FIMV_CH_LAST_FRAME & S5P_FIMV_CH_MASK) <<
+		S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
+		break;
+	case MFC_DEC_RES_CHANGE:
+		mfc_write(dev, ((S5P_FIMV_CH_FRAME_START_REALLOC &
+		S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
+		S5P_FIMV_SI_CH0_INST_ID);
+		break;
+	}
+	mfc_debug(2, "Decoding a usual frame\n");
+	return 0;
+}
+
+int s5p_mfc_init_encode_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
+		s5p_mfc_set_enc_params_h264(ctx);
+	else if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_ENC)
+		s5p_mfc_set_enc_params_mpeg4(ctx);
+	else if (ctx->codec_mode == S5P_MFC_CODEC_H263_ENC)
+		s5p_mfc_set_enc_params_h263(ctx);
+	else {
+		mfc_err("Unknown codec for encoding (%x)\n",
+			ctx->codec_mode);
+		return -EINVAL;
+	}
+	s5p_mfc_set_shared_buffer(ctx);
+	mfc_write(dev, ((S5P_FIMV_CH_SEQ_HEADER << 16) & 0x70000) |
+		(ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
+	return 0;
+}
+
+/* Encode a single frame */
+int s5p_mfc_encode_one_frame_v5(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	int cmd;
+	/* memory structure cur. frame */
+	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
+		mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
+	else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
+		mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
+	s5p_mfc_set_shared_buffer(ctx);
+
+	if (ctx->state == MFCINST_FINISHING)
+		cmd = S5P_FIMV_CH_LAST_FRAME;
+	else
+		cmd = S5P_FIMV_CH_FRAME_START;
+	mfc_write(dev, ((cmd & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
+				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
+
+	return 0;
+}
+
+static int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
+{
+	unsigned long flags;
+	int new_ctx;
+	int cnt;
+
+	spin_lock_irqsave(&dev->condlock, flags);
+	new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
+	cnt = 0;
+	while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
+		new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
+		if (++cnt > MFC_NUM_CONTEXTS) {
+			/* No contexts to run */
+			spin_unlock_irqrestore(&dev->condlock, flags);
+			return -EAGAIN;
+		}
+	}
+	spin_unlock_irqrestore(&dev->condlock, flags);
+	return new_ctx;
+}
+
+static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	s5p_mfc_set_dec_stream_buffer_v5(ctx, 0, 0, 0);
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	s5p_mfc_decode_one_frame_v5(ctx, MFC_DEC_RES_CHANGE);
+}
+
+static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf *temp_vb;
+	unsigned long flags;
+	unsigned int index;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+	/* Frames are being decoded */
+	if (list_empty(&ctx->src_queue)) {
+		mfc_debug(2, "No src buffers\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return -EAGAIN;
+	}
+	/* Get the next source buffer */
+	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
+	temp_vb->flags |= MFC_BUF_FLAG_USED;
+	s5p_mfc_set_dec_stream_buffer_v5(ctx,
+		vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
+		ctx->consumed_stream, temp_vb->b->v4l2_planes[0].bytesused);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	index = temp_vb->b->v4l2_buf.index;
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	if (temp_vb->b->v4l2_planes[0].bytesused == 0) {
+		last_frame = MFC_DEC_LAST_FRAME;
+		mfc_debug(2, "Setting ctx->state to FINISHING\n");
+		ctx->state = MFCINST_FINISHING;
+	}
+	s5p_mfc_decode_one_frame_v5(ctx, last_frame);
+	return 0;
+}
+
+static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long flags;
+	struct s5p_mfc_buf *dst_mb;
+	struct s5p_mfc_buf *src_mb;
+	unsigned long src_y_addr, src_c_addr, dst_addr;
+	unsigned int dst_size;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+	if (list_empty(&ctx->src_queue) && ctx->state != MFCINST_FINISHING) {
+		mfc_debug(2, "no src buffers\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return -EAGAIN;
+	}
+	if (list_empty(&ctx->dst_queue)) {
+		mfc_debug(2, "no dst buffers\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return -EAGAIN;
+	}
+	if (list_empty(&ctx->src_queue)) {
+		/* send null frame */
+		s5p_mfc_set_enc_frame_buffer_v5(ctx, dev->bank2, dev->bank2);
+		src_mb = NULL;
+	} else {
+		src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf,
+									list);
+		src_mb->flags |= MFC_BUF_FLAG_USED;
+		if (src_mb->b->v4l2_planes[0].bytesused == 0) {
+			/* send null frame */
+			s5p_mfc_set_enc_frame_buffer_v5(ctx, dev->bank2,
+								dev->bank2);
+			ctx->state = MFCINST_FINISHING;
+		} else {
+			src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b,
+									0);
+			src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b,
+									1);
+			s5p_mfc_set_enc_frame_buffer_v5(ctx, src_y_addr,
+								src_c_addr);
+			if (src_mb->flags & MFC_BUF_FLAG_EOS)
+				ctx->state = MFCINST_FINISHING;
+		}
+	}
+	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
+	dst_mb->flags |= MFC_BUF_FLAG_USED;
+	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
+	dst_size = vb2_plane_size(dst_mb->b, 0);
+	s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	mfc_debug(2, "encoding buffer with index=%d state=%d",
+			src_mb ? src_mb->b->v4l2_buf.index : -1, ctx->state);
+	s5p_mfc_encode_one_frame_v5(ctx);
+	return 0;
+}
+
+static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long flags;
+	struct s5p_mfc_buf *temp_vb;
+
+	/* Initializing decoding - parsing header */
+	spin_lock_irqsave(&dev->irqlock, flags);
+	mfc_debug(2, "Preparing to init decoding\n");
+	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
+	s5p_mfc_set_dec_desc_buffer(ctx);
+	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
+	s5p_mfc_set_dec_stream_buffer_v5(ctx,
+				vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
+				0, temp_vb->b->v4l2_planes[0].bytesused);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	s5p_mfc_init_decode_v5(ctx);
+}
+
+static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long flags;
+	struct s5p_mfc_buf *dst_mb;
+	unsigned long dst_addr;
+	unsigned int dst_size;
+
+	s5p_mfc_set_enc_ref_buffer_v5(ctx);
+	spin_lock_irqsave(&dev->irqlock, flags);
+	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
+	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
+	dst_size = vb2_plane_size(dst_mb->b, 0);
+	s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	s5p_mfc_init_encode_v5(ctx);
+}
+
+static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long flags;
+	struct s5p_mfc_buf *temp_vb;
+	int ret;
+
+	/*
+	 * Header was parsed now starting processing
+	 * First set the output frame buffers
+	 */
+	if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
+		mfc_err("It seems that not all destionation buffers were "
+			"mmaped\nMFC requires that all destination are mmaped "
+			"before starting processing\n");
+		return -EAGAIN;
+	}
+	spin_lock_irqsave(&dev->irqlock, flags);
+	if (list_empty(&ctx->src_queue)) {
+		mfc_err("Header has been deallocated in the middle of"
+			" initialization\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return -EIO;
+	}
+	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
+	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
+	s5p_mfc_set_dec_stream_buffer_v5(ctx,
+				vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
+				0, temp_vb->b->v4l2_planes[0].bytesused);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	ret = s5p_mfc_set_dec_frame_buffer_v5(ctx);
+	if (ret) {
+		mfc_err("Failed to alloc frame mem\n");
+		ctx->state = MFCINST_ERROR;
+	}
+	return ret;
+}
+
+/* Try running an operation on hardware */
+void s5p_mfc_try_run_v5(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_ctx *ctx;
+	int new_ctx;
+	unsigned int ret = 0;
+
+	if (test_bit(0, &dev->enter_suspend)) {
+		mfc_debug(1, "Entering suspend so do not schedule any jobs\n");
+		return;
+	}
+	/* Check whether hardware is not running */
+	if (test_and_set_bit(0, &dev->hw_lock) != 0) {
+		/* This is perfectly ok, the scheduled ctx should wait */
+		mfc_debug(1, "Couldn't lock HW\n");
+		return;
+	}
+	/* Choose the context to run */
+	new_ctx = s5p_mfc_get_new_ctx(dev);
+	if (new_ctx < 0) {
+		/* No contexts to run */
+		if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
+			mfc_err("Failed to unlock hardware\n");
+			return;
+		}
+		mfc_debug(1, "No ctx is scheduled to be run\n");
+		return;
+	}
+	ctx = dev->ctx[new_ctx];
+	/* Got context to run in ctx */
+	/*
+	 * Last frame has already been sent to MFC.
+	 * Now obtaining frames from MFC buffer
+	 */
+	s5p_mfc_clock_on();
+	if (ctx->type == MFCINST_DECODER) {
+		s5p_mfc_set_dec_desc_buffer(ctx);
+		switch (ctx->state) {
+		case MFCINST_FINISHING:
+			s5p_mfc_run_dec_frame(ctx, MFC_DEC_LAST_FRAME);
+			break;
+		case MFCINST_RUNNING:
+			ret = s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
+			break;
+		case MFCINST_INIT:
+			s5p_mfc_clean_ctx_int_flags(ctx);
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_RETURN_INST:
+			s5p_mfc_clean_ctx_int_flags(ctx);
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_GOT_INST:
+			s5p_mfc_run_init_dec(ctx);
+			break;
+		case MFCINST_HEAD_PARSED:
+			ret = s5p_mfc_run_init_dec_buffers(ctx);
+			mfc_debug(1, "head parsed\n");
+			break;
+		case MFCINST_RES_CHANGE_INIT:
+			s5p_mfc_run_res_change(ctx);
+			break;
+		case MFCINST_RES_CHANGE_FLUSH:
+			s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
+			break;
+		case MFCINST_RES_CHANGE_END:
+			mfc_debug(2, "Finished remaining frames after resolution change\n");
+			ctx->capture_state = QUEUE_FREE;
+			mfc_debug(2, "Will re-init the codec\n");
+			s5p_mfc_run_init_dec(ctx);
+			break;
+		default:
+			ret = -EAGAIN;
+		}
+	} else if (ctx->type == MFCINST_ENCODER) {
+		switch (ctx->state) {
+		case MFCINST_FINISHING:
+		case MFCINST_RUNNING:
+			ret = s5p_mfc_run_enc_frame(ctx);
+			break;
+		case MFCINST_INIT:
+			s5p_mfc_clean_ctx_int_flags(ctx);
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_RETURN_INST:
+			s5p_mfc_clean_ctx_int_flags(ctx);
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_GOT_INST:
+			s5p_mfc_run_init_enc(ctx);
+			break;
+		default:
+			ret = -EAGAIN;
+		}
+	} else {
+		mfc_err("Invalid context type: %d\n", ctx->type);
+		ret = -EAGAIN;
+	}
+
+	if (ret) {
+		/* Free hardware lock */
+		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
+			mfc_err("Failed to unlock hardware\n");
+
+		/* This is in deed imporant, as no operation has been
+		 * scheduled, reduce the clock count as no one will
+		 * ever do this, because no interrupt related to this try_run
+		 * will ever come from hardware. */
+		s5p_mfc_clock_off();
+	}
+}
+
+
+void s5p_mfc_cleanup_queue_v5(struct list_head *lh, struct vb2_queue *vq)
+{
+	struct s5p_mfc_buf *b;
+	int i;
+
+	while (!list_empty(lh)) {
+		b = list_entry(lh->next, struct s5p_mfc_buf, list);
+		for (i = 0; i < b->b->num_planes; i++)
+			vb2_set_plane_payload(b->b, i, 0);
+		vb2_buffer_done(b->b, VB2_BUF_STATE_ERROR);
+		list_del(&b->list);
+	}
+}
+
+void s5p_mfc_clear_int_flags_v5(struct s5p_mfc_dev *dev)
+{
+	mfc_write(dev, 0, S5P_FIMV_RISC_HOST_INT);
+	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD);
+	mfc_write(dev, 0xffff, S5P_FIMV_SI_RTN_CHID);
+}
+
+int s5p_mfc_get_dspl_y_adr_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_DISPLAY_Y_ADR) << MFC_OFFSET_SHIFT;
+}
+
+int s5p_mfc_get_dec_y_adr_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_DECODE_Y_ADR) << MFC_OFFSET_SHIFT;
+}
+
+int s5p_mfc_get_dspl_status_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_DISPLAY_STATUS);
+}
+
+int s5p_mfc_get_dec_status_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_DECODE_STATUS);
+}
+
+int s5p_mfc_get_dec_frame_type_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_DECODE_FRAME_TYPE) &
+		S5P_FIMV_DECODE_FRAME_MASK;
+}
+
+int s5p_mfc_get_disp_frame_type_v5(struct s5p_mfc_ctx *ctx)
+{
+	return (s5p_mfc_read_info_v5(ctx, DISP_PIC_FRAME_TYPE) >>
+			S5P_FIMV_SHARED_DISP_FRAME_TYPE_SHIFT) &
+			S5P_FIMV_DECODE_FRAME_MASK;
+}
+
+int s5p_mfc_get_consumed_stream_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_CONSUMED_BYTES);
+}
+
+int s5p_mfc_get_int_reason_v5(struct s5p_mfc_dev *dev)
+{
+	int reason;
+	reason = mfc_read(dev, S5P_FIMV_RISC2HOST_CMD) &
+		S5P_FIMV_RISC2HOST_CMD_MASK;
+	switch (reason) {
+	case S5P_FIMV_R2H_CMD_OPEN_INSTANCE_RET:
+		reason = S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_CLOSE_INSTANCE_RET:
+		reason = S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_SEQ_DONE_RET:
+		reason = S5P_MFC_R2H_CMD_SEQ_DONE_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_FRAME_DONE_RET:
+		reason = S5P_MFC_R2H_CMD_FRAME_DONE_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_SLICE_DONE_RET:
+		reason = S5P_MFC_R2H_CMD_SLICE_DONE_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_SYS_INIT_RET:
+		reason = S5P_MFC_R2H_CMD_SYS_INIT_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_FW_STATUS_RET:
+		reason = S5P_MFC_R2H_CMD_FW_STATUS_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_SLEEP_RET:
+		reason = S5P_MFC_R2H_CMD_SLEEP_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_WAKEUP_RET:
+		reason = S5P_MFC_R2H_CMD_WAKEUP_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET:
+		reason = S5P_MFC_R2H_CMD_INIT_BUFFERS_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_ENC_COMPLETE_RET:
+		reason = S5P_MFC_R2H_CMD_COMPLETE_SEQ_RET;
+		break;
+	case S5P_FIMV_R2H_CMD_ERR_RET:
+		reason = S5P_MFC_R2H_CMD_ERR_RET;
+		break;
+	default:
+		reason = S5P_MFC_R2H_CMD_EMPTY;
+	};
+	return reason;
+}
+
+int s5p_mfc_get_int_err_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_RISC2HOST_ARG2);
+}
+
+int s5p_mfc_err_dec_v5(unsigned int err)
+{
+	return (err & S5P_FIMV_ERR_DEC_MASK) >> S5P_FIMV_ERR_DEC_SHIFT;
+}
+
+int s5p_mfc_err_dspl_v5(unsigned int err)
+{
+	return (err & S5P_FIMV_ERR_DSPL_MASK) >> S5P_FIMV_ERR_DSPL_SHIFT;
+}
+
+int s5p_mfc_get_img_width_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_HRESOL);
+}
+
+int s5p_mfc_get_img_height_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_VRESOL);
+}
+
+int s5p_mfc_get_dpb_count_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_SI_BUF_NUMBER);
+}
+
+int s5p_mfc_get_mv_count_v5(struct s5p_mfc_dev *dev)
+{
+	/* NOP */
+	return -1;
+}
+
+int s5p_mfc_get_inst_no_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_RISC2HOST_ARG1);
+}
+
+int s5p_mfc_get_enc_strm_size_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_ENC_SI_STRM_SIZE);
+}
+
+int s5p_mfc_get_enc_slice_type_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_ENC_SI_SLICE_TYPE);
+}
+
+int s5p_mfc_get_enc_dpb_count_v5(struct s5p_mfc_dev *dev)
+{
+	return -1;
+}
+
+int s5p_mfc_get_enc_pic_count_v5(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_ENC_SI_PIC_CNT);
+}
+
+int s5p_mfc_get_sei_avail_status_v5(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v5(ctx, FRAME_PACK_SEI_AVAIL);
+}
+
+int s5p_mfc_get_mvc_num_views_v5(struct s5p_mfc_dev *dev)
+{
+	return -1;
+}
+
+int s5p_mfc_get_mvc_view_id_v5(struct s5p_mfc_dev *dev)
+{
+	return -1;
+}
+
+unsigned int s5p_mfc_get_pic_type_top_v5(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v5(ctx, PIC_TIME_TOP);
+}
+
+unsigned int s5p_mfc_get_pic_type_bot_v5(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v5(ctx, PIC_TIME_BOT);
+}
+
+unsigned int s5p_mfc_get_crop_info_h_v5(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v5(ctx, CROP_INFO_H);
+}
+
+unsigned int s5p_mfc_get_crop_info_v_v5(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v5(ctx, CROP_INFO_V);
+}
+
+/* Initialize opr function pointers for MFC v5 */
+static struct s5p_mfc_hw_ops s5p_mfc_ops_v5 = {
+	.alloc_dec_temp_buffers = s5p_mfc_alloc_dec_temp_buffers_v5,
+	.release_dec_desc_buffer = s5p_mfc_release_dec_desc_buffer_v5,
+	.alloc_codec_buffers = s5p_mfc_alloc_codec_buffers_v5,
+	.release_codec_buffers = s5p_mfc_release_codec_buffers_v5,
+	.alloc_instance_buffer = s5p_mfc_alloc_instance_buffer_v5,
+	.release_instance_buffer = s5p_mfc_release_instance_buffer_v5,
+	.alloc_dev_context_buffer = s5p_mfc_alloc_dev_context_buffer_v5,
+	.release_dev_context_buffer = s5p_mfc_release_dev_context_buffer_v5,
+	.dec_calc_dpb_size = s5p_mfc_dec_calc_dpb_size_v5,
+	.enc_calc_src_size = s5p_mfc_enc_calc_src_size_v5,
+	.set_dec_stream_buffer = s5p_mfc_set_dec_stream_buffer_v5,
+	.set_dec_frame_buffer = s5p_mfc_set_dec_frame_buffer_v5,
+	.set_enc_stream_buffer = s5p_mfc_set_enc_stream_buffer_v5,
+	.set_enc_frame_buffer = s5p_mfc_set_enc_frame_buffer_v5,
+	.get_enc_frame_buffer = s5p_mfc_get_enc_frame_buffer_v5,
+	.set_enc_ref_buffer = s5p_mfc_set_enc_ref_buffer_v5,
+	.init_decode = s5p_mfc_init_decode_v5,
+	.init_encode = s5p_mfc_init_encode_v5,
+	.encode_one_frame = s5p_mfc_encode_one_frame_v5,
+	.try_run = s5p_mfc_try_run_v5,
+	.cleanup_queue = s5p_mfc_cleanup_queue_v5,
+	.clear_int_flags = s5p_mfc_clear_int_flags_v5,
+	.write_info = s5p_mfc_write_info_v5,
+	.read_info = s5p_mfc_read_info_v5,
+	.get_dspl_y_adr = s5p_mfc_get_dspl_y_adr_v5,
+	.get_dec_y_adr = s5p_mfc_get_dec_y_adr_v5,
+	.get_dspl_status = s5p_mfc_get_dspl_status_v5,
+	.get_dec_status = s5p_mfc_get_dec_status_v5,
+	.get_dec_frame_type = s5p_mfc_get_dec_frame_type_v5,
+	.get_disp_frame_type = s5p_mfc_get_disp_frame_type_v5,
+	.get_consumed_stream = s5p_mfc_get_consumed_stream_v5,
+	.get_int_reason = s5p_mfc_get_int_reason_v5,
+	.get_int_err = s5p_mfc_get_int_err_v5,
+	.err_dec = s5p_mfc_err_dec_v5,
+	.err_dspl = s5p_mfc_err_dspl_v5,
+	.get_img_width = s5p_mfc_get_img_width_v5,
+	.get_img_height = s5p_mfc_get_img_height_v5,
+	.get_dpb_count = s5p_mfc_get_dpb_count_v5,
+	.get_mv_count = s5p_mfc_get_mv_count_v5,
+	.get_inst_no = s5p_mfc_get_inst_no_v5,
+	.get_enc_strm_size = s5p_mfc_get_enc_strm_size_v5,
+	.get_enc_slice_type = s5p_mfc_get_enc_slice_type_v5,
+	.get_enc_dpb_count = s5p_mfc_get_enc_dpb_count_v5,
+	.get_enc_pic_count = s5p_mfc_get_enc_pic_count_v5,
+	.get_sei_avail_status = s5p_mfc_get_sei_avail_status_v5,
+	.get_mvc_num_views = s5p_mfc_get_mvc_num_views_v5,
+	.get_mvc_view_id = s5p_mfc_get_mvc_view_id_v5,
+	.get_pic_type_top = s5p_mfc_get_pic_type_top_v5,
+	.get_pic_type_bot = s5p_mfc_get_pic_type_bot_v5,
+	.get_crop_info_h = s5p_mfc_get_crop_info_h_v5,
+	.get_crop_info_v = s5p_mfc_get_crop_info_v_v5,
+};
+
+struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void)
+{
+	return &s5p_mfc_ops_v5;
+}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_shm.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.h
index 416ebd7ba35..ffee39a127d 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_shm.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.h
@@ -1,17 +1,22 @@
 /*
- * linux/drivers/media/platform/s5p-mfc/s5p_mfc_shm.h
+ * drivers/media/platform/samsung/mfc5/s5p_mfc_opr_v5.h
  *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
+ * Header file for Samsung MFC (Multi Function Codec - FIMV) driver
+ * Contains declarations of hw related functions.
+ *
+ * Kamil Debski, Copyright (C) 2011 Samsung Electronics
+ * http://www.samsung.com/
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
  */
 
-#ifndef S5P_MFC_SHM_H_
-#define S5P_MFC_SHM_H_
+#ifndef S5P_MFC_OPR_V5_H_
+#define S5P_MFC_OPR_V5_H_
+
+#include "s5p_mfc_common.h"
+#include "s5p_mfc_opr.h"
 
 enum MFC_SHM_OFS {
 	EXTENEDED_DECODE_STATUS	= 0x00,	/* D */
@@ -71,20 +76,10 @@ enum MFC_SHM_OFS {
 	DBG_HISTORY_INPUT1	= 0xD4,	/* C */
 	DBG_HISTORY_OUTPUT	= 0xD8,	/* C */
 	HIERARCHICAL_P_QP	= 0xE0, /* E, H.264 */
+	FRAME_PACK_SEI_ENABLE	= 0x168, /* C */
+	FRAME_PACK_SEI_AVAIL	= 0x16c, /* D */
+	FRAME_PACK_SEI_INFO	= 0x17c, /* E */
 };
 
-int s5p_mfc_init_shm(struct s5p_mfc_ctx *ctx);
-
-#define s5p_mfc_write_shm(ctx, x, ofs)		\
-	do {					\
-		writel(x, (ctx->shm + ofs));	\
-		wmb();				\
-	} while (0)
-
-static inline u32 s5p_mfc_read_shm(struct s5p_mfc_ctx *ctx, unsigned int ofs)
-{
-	rmb();
-	return readl(ctx->shm + ofs);
-}
-
-#endif /* S5P_MFC_SHM_H_ */
+struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v5(void);
+#endif /* S5P_MFC_OPR_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
new file mode 100644
index 00000000000..50b5bee3c44
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -0,0 +1,1956 @@
+/*
+ * drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+ *
+ * Samsung MFC (Multi Function Codec - FIMV) driver
+ * This file contains hw related functions.
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#undef DEBUG
+
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/io.h>
+#include <linux/jiffies.h>
+#include <linux/firmware.h>
+#include <linux/err.h>
+#include <linux/sched.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/cacheflush.h>
+
+#include "s5p_mfc_common.h"
+#include "s5p_mfc_cmd.h"
+#include "s5p_mfc_intr.h"
+#include "s5p_mfc_pm.h"
+#include "s5p_mfc_debug.h"
+#include "s5p_mfc_opr.h"
+#include "s5p_mfc_opr_v6.h"
+
+/* #define S5P_MFC_DEBUG_REGWRITE  */
+#ifdef S5P_MFC_DEBUG_REGWRITE
+#undef writel
+#define writel(v, r)							\
+	do {								\
+		pr_err("MFCWRITE(%p): %08x\n", r, (unsigned int)v);	\
+	__raw_writel(v, r);						\
+	} while (0)
+#endif /* S5P_MFC_DEBUG_REGWRITE */
+
+#define READL(offset)		readl(dev->regs_base + (offset))
+#define WRITEL(data, offset)	writel((data), dev->regs_base + (offset))
+#define OFFSETA(x)		(((x) - dev->port_a) >> S5P_FIMV_MEM_OFFSET)
+#define OFFSETB(x)		(((x) - dev->port_b) >> S5P_FIMV_MEM_OFFSET)
+
+/* Allocate temporary buffers for decoding */
+int s5p_mfc_alloc_dec_temp_buffers_v6(struct s5p_mfc_ctx *ctx)
+{
+	/* NOP */
+
+	return 0;
+}
+
+/* Release temproary buffers for decoding */
+void s5p_mfc_release_dec_desc_buffer_v6(struct s5p_mfc_ctx *ctx)
+{
+	/* NOP */
+}
+
+int s5p_mfc_get_dec_status_v6(struct s5p_mfc_dev *dev)
+{
+	/* NOP */
+	return -1;
+}
+
+/* Allocate codec buffers */
+int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned int mb_width, mb_height;
+
+	mb_width = MB_WIDTH(ctx->img_width);
+	mb_height = MB_HEIGHT(ctx->img_height);
+
+	if (ctx->type == MFCINST_DECODER) {
+		mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
+			  ctx->luma_size, ctx->chroma_size, ctx->mv_size);
+		mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
+	} else if (ctx->type == MFCINST_ENCODER) {
+		ctx->tmv_buffer_size = S5P_FIMV_NUM_TMV_BUFFERS_V6 *
+			ALIGN(S5P_FIMV_TMV_BUFFER_SIZE_V6(mb_width, mb_height),
+			S5P_FIMV_TMV_BUFFER_ALIGN_V6);
+		ctx->luma_dpb_size = ALIGN((mb_width * mb_height) *
+				S5P_FIMV_LUMA_MB_TO_PIXEL_V6,
+				S5P_FIMV_LUMA_DPB_BUFFER_ALIGN_V6);
+		ctx->chroma_dpb_size = ALIGN((mb_width * mb_height) *
+				S5P_FIMV_CHROMA_MB_TO_PIXEL_V6,
+				S5P_FIMV_CHROMA_DPB_BUFFER_ALIGN_V6);
+		ctx->me_buffer_size = ALIGN(S5P_FIMV_ME_BUFFER_SIZE_V6(
+					ctx->img_width, ctx->img_height,
+					mb_width, mb_height),
+					S5P_FIMV_ME_BUFFER_ALIGN_V6);
+
+		mfc_debug(2, "recon luma size: %d chroma size: %d\n",
+			  ctx->luma_dpb_size, ctx->chroma_dpb_size);
+	} else {
+		return -EINVAL;
+	}
+
+	/* Codecs have different memory requirements */
+	switch (ctx->codec_mode) {
+	case S5P_MFC_CODEC_H264_DEC:
+	case S5P_MFC_CODEC_H264_MVC_DEC:
+		ctx->scratch_buf_size =
+			S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V6(
+					mb_width,
+					mb_height);
+		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
+				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
+		ctx->bank1_size =
+			ctx->scratch_buf_size +
+			(ctx->mv_count * ctx->mv_size);
+		break;
+	case S5P_MFC_CODEC_MPEG4_DEC:
+		ctx->scratch_buf_size =
+			S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_DEC_V6(
+					mb_width,
+					mb_height);
+		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
+				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
+		ctx->bank1_size = ctx->scratch_buf_size;
+		break;
+	case S5P_MFC_CODEC_VC1RCV_DEC:
+	case S5P_MFC_CODEC_VC1_DEC:
+		ctx->scratch_buf_size =
+			S5P_FIMV_SCRATCH_BUF_SIZE_VC1_DEC_V6(
+					mb_width,
+					mb_height);
+		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
+				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
+		ctx->bank1_size = ctx->scratch_buf_size;
+		break;
+	case S5P_MFC_CODEC_MPEG2_DEC:
+		ctx->bank1_size = 0;
+		ctx->bank2_size = 0;
+		break;
+	case S5P_MFC_CODEC_H263_DEC:
+		ctx->scratch_buf_size =
+			S5P_FIMV_SCRATCH_BUF_SIZE_H263_DEC_V6(
+					mb_width,
+					mb_height);
+		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
+				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
+		ctx->bank1_size = ctx->scratch_buf_size;
+		break;
+	case S5P_MFC_CODEC_VP8_DEC:
+		ctx->scratch_buf_size =
+			S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V6(
+					mb_width,
+					mb_height);
+		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
+				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
+		ctx->bank1_size = ctx->scratch_buf_size;
+		break;
+	case S5P_MFC_CODEC_H264_ENC:
+		ctx->scratch_buf_size =
+			S5P_FIMV_SCRATCH_BUF_SIZE_H264_ENC_V6(
+					mb_width,
+					mb_height);
+		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
+				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
+		ctx->bank1_size =
+			ctx->scratch_buf_size + ctx->tmv_buffer_size +
+			(ctx->dpb_count * (ctx->luma_dpb_size +
+			ctx->chroma_dpb_size + ctx->me_buffer_size));
+		ctx->bank2_size = 0;
+		break;
+	case S5P_MFC_CODEC_MPEG4_ENC:
+	case S5P_MFC_CODEC_H263_ENC:
+		ctx->scratch_buf_size =
+			S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_ENC_V6(
+					mb_width,
+					mb_height);
+		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
+				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
+		ctx->bank1_size =
+			ctx->scratch_buf_size + ctx->tmv_buffer_size +
+			(ctx->dpb_count * (ctx->luma_dpb_size +
+			ctx->chroma_dpb_size + ctx->me_buffer_size));
+		ctx->bank2_size = 0;
+		break;
+	default:
+		break;
+	}
+
+	/* Allocate only if memory from bank 1 is necessary */
+	if (ctx->bank1_size > 0) {
+		ctx->bank1_buf = vb2_dma_contig_memops.alloc(
+		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size);
+		if (IS_ERR(ctx->bank1_buf)) {
+			ctx->bank1_buf = 0;
+			pr_err("Buf alloc for decoding failed (port A)\n");
+			return -ENOMEM;
+		}
+		ctx->bank1_phys = s5p_mfc_mem_cookie(
+			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_buf);
+		BUG_ON(ctx->bank1_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
+	}
+
+	return 0;
+}
+
+/* Release buffers allocated for codec */
+void s5p_mfc_release_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
+{
+	if (ctx->bank1_buf) {
+		vb2_dma_contig_memops.put(ctx->bank1_buf);
+		ctx->bank1_buf = 0;
+		ctx->bank1_phys = 0;
+		ctx->bank1_size = 0;
+	}
+}
+
+/* Allocate memory for instance data buffer */
+int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
+
+	mfc_debug_enter();
+
+	switch (ctx->codec_mode) {
+	case S5P_MFC_CODEC_H264_DEC:
+	case S5P_MFC_CODEC_H264_MVC_DEC:
+		ctx->ctx.size = buf_size->h264_dec_ctx;
+		break;
+	case S5P_MFC_CODEC_MPEG4_DEC:
+	case S5P_MFC_CODEC_H263_DEC:
+	case S5P_MFC_CODEC_VC1RCV_DEC:
+	case S5P_MFC_CODEC_VC1_DEC:
+	case S5P_MFC_CODEC_MPEG2_DEC:
+	case S5P_MFC_CODEC_VP8_DEC:
+		ctx->ctx.size = buf_size->other_dec_ctx;
+		break;
+	case S5P_MFC_CODEC_H264_ENC:
+		ctx->ctx.size = buf_size->h264_enc_ctx;
+		break;
+	case S5P_MFC_CODEC_MPEG4_ENC:
+	case S5P_MFC_CODEC_H263_ENC:
+		ctx->ctx.size = buf_size->other_enc_ctx;
+		break;
+	default:
+		ctx->ctx.size = 0;
+		mfc_err("Codec type(%d) should be checked!\n", ctx->codec_mode);
+		break;
+	}
+
+	ctx->ctx.alloc = vb2_dma_contig_memops.alloc(
+		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.size);
+	if (IS_ERR(ctx->ctx.alloc)) {
+		mfc_err("Allocating context buffer failed.\n");
+		return PTR_ERR(ctx->ctx.alloc);
+	}
+
+	ctx->ctx.dma = s5p_mfc_mem_cookie(
+		dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx.alloc);
+
+	ctx->ctx.virt = vb2_dma_contig_memops.vaddr(ctx->ctx.alloc);
+	if (!ctx->ctx.virt) {
+		vb2_dma_contig_memops.put(ctx->ctx.alloc);
+		ctx->ctx.alloc = NULL;
+		ctx->ctx.dma = 0;
+		ctx->ctx.virt = NULL;
+
+		mfc_err("Remapping context buffer failed.\n");
+		return -ENOMEM;
+	}
+
+	memset(ctx->ctx.virt, 0, ctx->ctx.size);
+	wmb();
+
+	mfc_debug_leave();
+
+	return 0;
+}
+
+/* Release instance buffer */
+void s5p_mfc_release_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
+{
+	mfc_debug_enter();
+
+	if (ctx->ctx.alloc) {
+		vb2_dma_contig_memops.put(ctx->ctx.alloc);
+		ctx->ctx.alloc = NULL;
+		ctx->ctx.dma = 0;
+		ctx->ctx.virt = NULL;
+	}
+
+	mfc_debug_leave();
+}
+
+/* Allocate context buffers for SYS_INIT */
+int s5p_mfc_alloc_dev_context_buffer_v6(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
+
+	mfc_debug_enter();
+
+	dev->ctx_buf.alloc = vb2_dma_contig_memops.alloc(
+			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], buf_size->dev_ctx);
+	if (IS_ERR(dev->ctx_buf.alloc)) {
+		mfc_err("Allocating DESC buffer failed.\n");
+		return PTR_ERR(dev->ctx_buf.alloc);
+	}
+
+	dev->ctx_buf.dma = s5p_mfc_mem_cookie(
+			dev->alloc_ctx[MFC_BANK1_ALLOC_CTX],
+			dev->ctx_buf.alloc);
+
+	dev->ctx_buf.virt = vb2_dma_contig_memops.vaddr(dev->ctx_buf.alloc);
+	if (!dev->ctx_buf.virt) {
+		vb2_dma_contig_memops.put(dev->ctx_buf.alloc);
+		dev->ctx_buf.alloc = NULL;
+		dev->ctx_buf.dma = 0;
+
+		mfc_err("Remapping DESC buffer failed.\n");
+		return -ENOMEM;
+	}
+
+	memset(dev->ctx_buf.virt, 0, buf_size->dev_ctx);
+	wmb();
+
+	mfc_debug_leave();
+
+	return 0;
+}
+
+/* Release context buffers for SYS_INIT */
+void s5p_mfc_release_dev_context_buffer_v6(struct s5p_mfc_dev *dev)
+{
+	if (dev->ctx_buf.alloc) {
+		vb2_dma_contig_memops.put(dev->ctx_buf.alloc);
+		dev->ctx_buf.alloc = NULL;
+		dev->ctx_buf.dma = 0;
+		dev->ctx_buf.virt = NULL;
+	}
+}
+
+static int calc_plane(int width, int height)
+{
+	int mbX, mbY;
+
+	mbX = DIV_ROUND_UP(width, S5P_FIMV_NUM_PIXELS_IN_MB_ROW_V6);
+	mbY = DIV_ROUND_UP(height, S5P_FIMV_NUM_PIXELS_IN_MB_COL_V6);
+
+	if (width * height < S5P_FIMV_MAX_FRAME_SIZE_V6)
+		mbY = (mbY + 1) / 2 * 2;
+
+	return (mbX * S5P_FIMV_NUM_PIXELS_IN_MB_COL_V6) *
+		(mbY * S5P_FIMV_NUM_PIXELS_IN_MB_ROW_V6);
+}
+
+void s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)
+{
+	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN_V6);
+	ctx->buf_height = ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN_V6);
+	mfc_debug(2, "SEQ Done: Movie dimensions %dx%d,\n"
+			"buffer dimensions: %dx%d\n", ctx->img_width,
+			ctx->img_height, ctx->buf_width, ctx->buf_height);
+
+	ctx->luma_size = calc_plane(ctx->img_width, ctx->img_height);
+	ctx->chroma_size = calc_plane(ctx->img_width, (ctx->img_height >> 1));
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
+			ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) {
+		ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V6(ctx->img_width,
+				ctx->img_height);
+		ctx->mv_size = ALIGN(ctx->mv_size, 16);
+	} else {
+		ctx->mv_size = 0;
+	}
+}
+
+void s5p_mfc_enc_calc_src_size_v6(struct s5p_mfc_ctx *ctx)
+{
+	unsigned int mb_width, mb_height;
+
+	mb_width = MB_WIDTH(ctx->img_width);
+	mb_height = MB_HEIGHT(ctx->img_height);
+
+	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN_V6);
+	ctx->luma_size = ALIGN((mb_width * mb_height) * 256, 256);
+	ctx->chroma_size = ALIGN((mb_width * mb_height) * 128, 256);
+}
+
+/* Set registers for decoding stream buffer */
+int s5p_mfc_set_dec_stream_buffer_v6(struct s5p_mfc_ctx *ctx, int buf_addr,
+		  unsigned int start_num_byte, unsigned int strm_size)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
+
+	mfc_debug_enter();
+	mfc_debug(2, "inst_no: %d, buf_addr: 0x%08x,\n"
+		"buf_size: 0x%08x (%d)\n",
+		ctx->inst_no, buf_addr, strm_size, strm_size);
+	WRITEL(strm_size, S5P_FIMV_D_STREAM_DATA_SIZE_V6);
+	WRITEL(buf_addr, S5P_FIMV_D_CPB_BUFFER_ADDR_V6);
+	WRITEL(buf_size->cpb, S5P_FIMV_D_CPB_BUFFER_SIZE_V6);
+	WRITEL(start_num_byte, S5P_FIMV_D_CPB_BUFFER_OFFSET_V6);
+
+	mfc_debug_leave();
+	return 0;
+}
+
+/* Set decoding frame buffer */
+int s5p_mfc_set_dec_frame_buffer_v6(struct s5p_mfc_ctx *ctx)
+{
+	unsigned int frame_size, i;
+	unsigned int frame_size_ch, frame_size_mv;
+	struct s5p_mfc_dev *dev = ctx->dev;
+	size_t buf_addr1;
+	int buf_size1;
+	int align_gap;
+
+	buf_addr1 = ctx->bank1_phys;
+	buf_size1 = ctx->bank1_size;
+
+	mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1);
+	mfc_debug(2, "Total DPB COUNT: %d\n", ctx->total_dpb_count);
+	mfc_debug(2, "Setting display delay to %d\n", ctx->display_delay);
+
+	WRITEL(ctx->total_dpb_count, S5P_FIMV_D_NUM_DPB_V6);
+	WRITEL(ctx->luma_size, S5P_FIMV_D_LUMA_DPB_SIZE_V6);
+	WRITEL(ctx->chroma_size, S5P_FIMV_D_CHROMA_DPB_SIZE_V6);
+
+	WRITEL(buf_addr1, S5P_FIMV_D_SCRATCH_BUFFER_ADDR_V6);
+	WRITEL(ctx->scratch_buf_size, S5P_FIMV_D_SCRATCH_BUFFER_SIZE_V6);
+	buf_addr1 += ctx->scratch_buf_size;
+	buf_size1 -= ctx->scratch_buf_size;
+
+	if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC ||
+			ctx->codec_mode == S5P_FIMV_CODEC_H264_MVC_DEC){
+		WRITEL(ctx->mv_size, S5P_FIMV_D_MV_BUFFER_SIZE_V6);
+		WRITEL(ctx->mv_count, S5P_FIMV_D_NUM_MV_V6);
+	}
+
+	frame_size = ctx->luma_size;
+	frame_size_ch = ctx->chroma_size;
+	frame_size_mv = ctx->mv_size;
+	mfc_debug(2, "Frame size: %d ch: %d mv: %d\n",
+			frame_size, frame_size_ch, frame_size_mv);
+
+	for (i = 0; i < ctx->total_dpb_count; i++) {
+		/* Bank2 */
+		mfc_debug(2, "Luma %d: %x\n", i,
+					ctx->dst_bufs[i].cookie.raw.luma);
+		WRITEL(ctx->dst_bufs[i].cookie.raw.luma,
+				S5P_FIMV_D_LUMA_DPB_V6 + i * 4);
+		mfc_debug(2, "\tChroma %d: %x\n", i,
+					ctx->dst_bufs[i].cookie.raw.chroma);
+		WRITEL(ctx->dst_bufs[i].cookie.raw.chroma,
+				S5P_FIMV_D_CHROMA_DPB_V6 + i * 4);
+	}
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
+			ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) {
+		for (i = 0; i < ctx->mv_count; i++) {
+			/* To test alignment */
+			align_gap = buf_addr1;
+			buf_addr1 = ALIGN(buf_addr1, 16);
+			align_gap = buf_addr1 - align_gap;
+			buf_size1 -= align_gap;
+
+			mfc_debug(2, "\tBuf1: %x, size: %d\n",
+					buf_addr1, buf_size1);
+			WRITEL(buf_addr1, S5P_FIMV_D_MV_BUFFER_V6 + i * 4);
+			buf_addr1 += frame_size_mv;
+			buf_size1 -= frame_size_mv;
+		}
+	}
+
+	mfc_debug(2, "Buf1: %u, buf_size1: %d (frames %d)\n",
+			buf_addr1, buf_size1, ctx->total_dpb_count);
+	if (buf_size1 < 0) {
+		mfc_debug(2, "Not enough memory has been allocated.\n");
+		return -ENOMEM;
+	}
+
+	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
+	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
+			S5P_FIMV_CH_INIT_BUFS_V6, NULL);
+
+	mfc_debug(2, "After setting buffers.\n");
+	return 0;
+}
+
+/* Set registers for encoding stream buffer */
+int s5p_mfc_set_enc_stream_buffer_v6(struct s5p_mfc_ctx *ctx,
+		unsigned long addr, unsigned int size)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	WRITEL(addr, S5P_FIMV_E_STREAM_BUFFER_ADDR_V6); /* 16B align */
+	WRITEL(size, S5P_FIMV_E_STREAM_BUFFER_SIZE_V6);
+
+	mfc_debug(2, "stream buf addr: 0x%08lx, size: 0x%d",
+		addr, size);
+
+	return 0;
+}
+
+void s5p_mfc_set_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx,
+		unsigned long y_addr, unsigned long c_addr)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	WRITEL(y_addr, S5P_FIMV_E_SOURCE_LUMA_ADDR_V6); /* 256B align */
+	WRITEL(c_addr, S5P_FIMV_E_SOURCE_CHROMA_ADDR_V6);
+
+	mfc_debug(2, "enc src y buf addr: 0x%08lx", y_addr);
+	mfc_debug(2, "enc src c buf addr: 0x%08lx", c_addr);
+}
+
+void s5p_mfc_get_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx,
+		unsigned long *y_addr, unsigned long *c_addr)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long enc_recon_y_addr, enc_recon_c_addr;
+
+	*y_addr = READL(S5P_FIMV_E_ENCODED_SOURCE_LUMA_ADDR_V6);
+	*c_addr = READL(S5P_FIMV_E_ENCODED_SOURCE_CHROMA_ADDR_V6);
+
+	enc_recon_y_addr = READL(S5P_FIMV_E_RECON_LUMA_DPB_ADDR_V6);
+	enc_recon_c_addr = READL(S5P_FIMV_E_RECON_CHROMA_DPB_ADDR_V6);
+
+	mfc_debug(2, "recon y addr: 0x%08lx", enc_recon_y_addr);
+	mfc_debug(2, "recon c addr: 0x%08lx", enc_recon_c_addr);
+}
+
+/* Set encoding ref & codec buffer */
+int s5p_mfc_set_enc_ref_buffer_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	size_t buf_addr1, buf_size1;
+	int i;
+
+	mfc_debug_enter();
+
+	buf_addr1 = ctx->bank1_phys;
+	buf_size1 = ctx->bank1_size;
+
+	mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1);
+
+	for (i = 0; i < ctx->dpb_count; i++) {
+		WRITEL(buf_addr1, S5P_FIMV_E_LUMA_DPB_V6 + (4 * i));
+		buf_addr1 += ctx->luma_dpb_size;
+		WRITEL(buf_addr1, S5P_FIMV_E_CHROMA_DPB_V6 + (4 * i));
+		buf_addr1 += ctx->chroma_dpb_size;
+		WRITEL(buf_addr1, S5P_FIMV_E_ME_BUFFER_V6 + (4 * i));
+		buf_addr1 += ctx->me_buffer_size;
+		buf_size1 -= (ctx->luma_dpb_size + ctx->chroma_dpb_size +
+			ctx->me_buffer_size);
+	}
+
+	WRITEL(buf_addr1, S5P_FIMV_E_SCRATCH_BUFFER_ADDR_V6);
+	WRITEL(ctx->scratch_buf_size, S5P_FIMV_E_SCRATCH_BUFFER_SIZE_V6);
+	buf_addr1 += ctx->scratch_buf_size;
+	buf_size1 -= ctx->scratch_buf_size;
+
+	WRITEL(buf_addr1, S5P_FIMV_E_TMV_BUFFER0_V6);
+	buf_addr1 += ctx->tmv_buffer_size >> 1;
+	WRITEL(buf_addr1, S5P_FIMV_E_TMV_BUFFER1_V6);
+	buf_addr1 += ctx->tmv_buffer_size >> 1;
+	buf_size1 -= ctx->tmv_buffer_size;
+
+	mfc_debug(2, "Buf1: %u, buf_size1: %d (ref frames %d)\n",
+			buf_addr1, buf_size1, ctx->dpb_count);
+	if (buf_size1 < 0) {
+		mfc_debug(2, "Not enough memory has been allocated.\n");
+		return -ENOMEM;
+	}
+
+	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
+	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
+			S5P_FIMV_CH_INIT_BUFS_V6, NULL);
+
+	mfc_debug_leave();
+
+	return 0;
+}
+
+static int s5p_mfc_set_slice_mode(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	/* multi-slice control */
+	/* multi-slice MB number or bit size */
+	WRITEL(ctx->slice_mode, S5P_FIMV_E_MSLICE_MODE_V6);
+	if (ctx->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
+		WRITEL(ctx->slice_size.mb, S5P_FIMV_E_MSLICE_SIZE_MB_V6);
+	} else if (ctx->slice_mode ==
+			V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
+		WRITEL(ctx->slice_size.bits, S5P_FIMV_E_MSLICE_SIZE_BITS_V6);
+	} else {
+		WRITEL(0x0, S5P_FIMV_E_MSLICE_SIZE_MB_V6);
+		WRITEL(0x0, S5P_FIMV_E_MSLICE_SIZE_BITS_V6);
+	}
+
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	unsigned int reg = 0;
+
+	mfc_debug_enter();
+
+	/* width */
+	WRITEL(ctx->img_width, S5P_FIMV_E_FRAME_WIDTH_V6); /* 16 align */
+	/* height */
+	WRITEL(ctx->img_height, S5P_FIMV_E_FRAME_HEIGHT_V6); /* 16 align */
+
+	/* cropped width */
+	WRITEL(ctx->img_width, S5P_FIMV_E_CROPPED_FRAME_WIDTH_V6);
+	/* cropped height */
+	WRITEL(ctx->img_height, S5P_FIMV_E_CROPPED_FRAME_HEIGHT_V6);
+	/* cropped offset */
+	WRITEL(0x0, S5P_FIMV_E_FRAME_CROP_OFFSET_V6);
+
+	/* pictype : IDR period */
+	reg = 0;
+	reg |= p->gop_size & 0xFFFF;
+	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);
+
+	/* multi-slice control */
+	/* multi-slice MB number or bit size */
+	ctx->slice_mode = p->slice_mode;
+	reg = 0;
+	if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
+		reg |= (0x1 << 3);
+		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+		ctx->slice_size.mb = p->slice_mb;
+	} else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
+		reg |= (0x1 << 3);
+		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+		ctx->slice_size.bits = p->slice_bit;
+	} else {
+		reg &= ~(0x1 << 3);
+		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+	}
+
+	s5p_mfc_set_slice_mode(ctx);
+
+	/* cyclic intra refresh */
+	WRITEL(p->intra_refresh_mb, S5P_FIMV_E_IR_SIZE_V6);
+	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
+	if (p->intra_refresh_mb == 0)
+		reg &= ~(0x1 << 4);
+	else
+		reg |= (0x1 << 4);
+	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+
+	/* 'NON_REFERENCE_STORE_ENABLE' for debugging */
+	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
+	reg &= ~(0x1 << 9);
+	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+
+	/* memory structure cur. frame */
+	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M) {
+		/* 0: Linear, 1: 2D tiled*/
+		reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
+		reg &= ~(0x1 << 7);
+		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+		/* 0: NV12(CbCr), 1: NV21(CrCb) */
+		WRITEL(0x0, S5P_FIMV_PIXEL_FORMAT_V6);
+	} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV21M) {
+		/* 0: Linear, 1: 2D tiled*/
+		reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
+		reg &= ~(0x1 << 7);
+		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+		/* 0: NV12(CbCr), 1: NV21(CrCb) */
+		WRITEL(0x1, S5P_FIMV_PIXEL_FORMAT_V6);
+	} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16) {
+		/* 0: Linear, 1: 2D tiled*/
+		reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
+		reg |= (0x1 << 7);
+		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+		/* 0: NV12(CbCr), 1: NV21(CrCb) */
+		WRITEL(0x0, S5P_FIMV_PIXEL_FORMAT_V6);
+	}
+
+	/* memory structure recon. frame */
+	/* 0: Linear, 1: 2D tiled */
+	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
+	reg |= (0x1 << 8);
+	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+
+	/* padding control & value */
+	WRITEL(0x0, S5P_FIMV_E_PADDING_CTRL_V6);
+	if (p->pad) {
+		reg = 0;
+		/** enable */
+		reg |= (1 << 31);
+		/** cr value */
+		reg |= ((p->pad_cr & 0xFF) << 16);
+		/** cb value */
+		reg |= ((p->pad_cb & 0xFF) << 8);
+		/** y value */
+		reg |= p->pad_luma & 0xFF;
+		WRITEL(reg, S5P_FIMV_E_PADDING_CTRL_V6);
+	}
+
+	/* rate control config. */
+	reg = 0;
+	/* frame-level rate control */
+	reg |= ((p->rc_frame & 0x1) << 9);
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+
+	/* bit rate */
+	if (p->rc_frame)
+		WRITEL(p->rc_bitrate,
+			S5P_FIMV_E_RC_BIT_RATE_V6);
+	else
+		WRITEL(1, S5P_FIMV_E_RC_BIT_RATE_V6);
+
+	/* reaction coefficient */
+	if (p->rc_frame) {
+		if (p->rc_reaction_coeff < TIGHT_CBR_MAX) /* tight CBR */
+			WRITEL(1, S5P_FIMV_E_RC_RPARAM_V6);
+		else					  /* loose CBR */
+			WRITEL(2, S5P_FIMV_E_RC_RPARAM_V6);
+	}
+
+	/* seq header ctrl */
+	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
+	reg &= ~(0x1 << 2);
+	reg |= ((p->seq_hdr_mode & 0x1) << 2);
+
+	/* frame skip mode */
+	reg &= ~(0x3);
+	reg |= (p->frame_skip_mode & 0x3);
+	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
+
+	/* 'DROP_CONTROL_ENABLE', disable */
+	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
+	reg &= ~(0x1 << 10);
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+
+	/* setting for MV range [16, 256] */
+	reg = 0;
+	reg &= ~(0x3FFF);
+	reg = 256;
+	WRITEL(reg, S5P_FIMV_E_MV_HOR_RANGE_V6);
+
+	reg = 0;
+	reg &= ~(0x3FFF);
+	reg = 256;
+	WRITEL(reg, S5P_FIMV_E_MV_VER_RANGE_V6);
+
+	WRITEL(0x0, S5P_FIMV_E_FRAME_INSERTION_V6);
+	WRITEL(0x0, S5P_FIMV_E_ROI_BUFFER_ADDR_V6);
+	WRITEL(0x0, S5P_FIMV_E_PARAM_CHANGE_V6);
+	WRITEL(0x0, S5P_FIMV_E_RC_ROI_CTRL_V6);
+	WRITEL(0x0, S5P_FIMV_E_PICTURE_TAG_V6);
+
+	WRITEL(0x0, S5P_FIMV_E_BIT_COUNT_ENABLE_V6);
+	WRITEL(0x0, S5P_FIMV_E_MAX_BIT_COUNT_V6);
+	WRITEL(0x0, S5P_FIMV_E_MIN_BIT_COUNT_V6);
+
+	WRITEL(0x0, S5P_FIMV_E_METADATA_BUFFER_ADDR_V6);
+	WRITEL(0x0, S5P_FIMV_E_METADATA_BUFFER_SIZE_V6);
+
+	mfc_debug_leave();
+
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	struct s5p_mfc_h264_enc_params *p_h264 = &p->codec.h264;
+	unsigned int reg = 0;
+	int i;
+
+	mfc_debug_enter();
+
+	s5p_mfc_set_enc_params(ctx);
+
+	/* pictype : number of B */
+	reg = READL(S5P_FIMV_E_GOP_CONFIG_V6);
+	reg &= ~(0x3 << 16);
+	reg |= ((p->num_b_frame & 0x3) << 16);
+	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);
+
+	/* profile & level */
+	reg = 0;
+	/** level */
+	reg |= ((p_h264->level & 0xFF) << 8);
+	/** profile - 0 ~ 3 */
+	reg |= p_h264->profile & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);
+
+	/* rate control config. */
+	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
+	/** macroblock level rate control */
+	reg &= ~(0x1 << 8);
+	reg |= ((p->rc_mb & 0x1) << 8);
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+	/** frame QP */
+	reg &= ~(0x3F);
+	reg |= p_h264->rc_frame_qp & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+
+	/* max & min value of QP */
+	reg = 0;
+	/** max QP */
+	reg |= ((p_h264->rc_max_qp & 0x3F) << 8);
+	/** min QP */
+	reg |= p_h264->rc_min_qp & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_RC_QP_BOUND_V6);
+
+	/* other QPs */
+	WRITEL(0x0, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
+	if (!p->rc_frame && !p->rc_mb) {
+		reg = 0;
+		reg |= ((p_h264->rc_b_frame_qp & 0x3F) << 16);
+		reg |= ((p_h264->rc_p_frame_qp & 0x3F) << 8);
+		reg |= p_h264->rc_frame_qp & 0x3F;
+		WRITEL(reg, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
+	}
+
+	/* frame rate */
+	if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
+		reg = 0;
+		reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
+		reg |= p->rc_framerate_denom & 0xFFFF;
+		WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
+	}
+
+	/* vbv buffer size */
+	if (p->frame_skip_mode ==
+			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
+		WRITEL(p_h264->cpb_size & 0xFFFF,
+				S5P_FIMV_E_VBV_BUFFER_SIZE_V6);
+
+		if (p->rc_frame)
+			WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
+	}
+
+	/* interlace */
+	reg = 0;
+	reg |= ((p_h264->interlace & 0x1) << 3);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* height */
+	if (p_h264->interlace) {
+		WRITEL(ctx->img_height >> 1,
+				S5P_FIMV_E_FRAME_HEIGHT_V6); /* 32 align */
+		/* cropped height */
+		WRITEL(ctx->img_height >> 1,
+				S5P_FIMV_E_CROPPED_FRAME_HEIGHT_V6);
+	}
+
+	/* loop filter ctrl */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x3 << 1);
+	reg |= ((p_h264->loop_filter_mode & 0x3) << 1);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* loopfilter alpha offset */
+	if (p_h264->loop_filter_alpha < 0) {
+		reg = 0x10;
+		reg |= (0xFF - p_h264->loop_filter_alpha) + 1;
+	} else {
+		reg = 0x00;
+		reg |= (p_h264->loop_filter_alpha & 0xF);
+	}
+	WRITEL(reg, S5P_FIMV_E_H264_LF_ALPHA_OFFSET_V6);
+
+	/* loopfilter beta offset */
+	if (p_h264->loop_filter_beta < 0) {
+		reg = 0x10;
+		reg |= (0xFF - p_h264->loop_filter_beta) + 1;
+	} else {
+		reg = 0x00;
+		reg |= (p_h264->loop_filter_beta & 0xF);
+	}
+	WRITEL(reg, S5P_FIMV_E_H264_LF_BETA_OFFSET_V6);
+
+	/* entropy coding mode */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1);
+	reg |= p_h264->entropy_mode & 0x1;
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* number of ref. picture */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1 << 7);
+	reg |= (((p_h264->num_ref_pic_4p - 1) & 0x1) << 7);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* 8x8 transform enable */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x3 << 12);
+	reg |= ((p_h264->_8x8_transform & 0x3) << 12);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* macroblock adaptive scaling features */
+	WRITEL(0x0, S5P_FIMV_E_MB_RC_CONFIG_V6);
+	if (p->rc_mb) {
+		reg = 0;
+		/** dark region */
+		reg |= ((p_h264->rc_mb_dark & 0x1) << 3);
+		/** smooth region */
+		reg |= ((p_h264->rc_mb_smooth & 0x1) << 2);
+		/** static region */
+		reg |= ((p_h264->rc_mb_static & 0x1) << 1);
+		/** high activity region */
+		reg |= p_h264->rc_mb_activity & 0x1;
+		WRITEL(reg, S5P_FIMV_E_MB_RC_CONFIG_V6);
+	}
+
+	/* aspect ratio VUI */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1 << 5);
+	reg |= ((p_h264->vui_sar & 0x1) << 5);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	WRITEL(0x0, S5P_FIMV_E_ASPECT_RATIO_V6);
+	WRITEL(0x0, S5P_FIMV_E_EXTENDED_SAR_V6);
+	if (p_h264->vui_sar) {
+		/* aspect ration IDC */
+		reg = 0;
+		reg |= p_h264->vui_sar_idc & 0xFF;
+		WRITEL(reg, S5P_FIMV_E_ASPECT_RATIO_V6);
+		if (p_h264->vui_sar_idc == 0xFF) {
+			/* extended SAR */
+			reg = 0;
+			reg |= (p_h264->vui_ext_sar_width & 0xFFFF) << 16;
+			reg |= p_h264->vui_ext_sar_height & 0xFFFF;
+			WRITEL(reg, S5P_FIMV_E_EXTENDED_SAR_V6);
+		}
+	}
+
+	/* intra picture period for H.264 open GOP */
+	/* control */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1 << 4);
+	reg |= ((p_h264->open_gop & 0x1) << 4);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+	/* value */
+	WRITEL(0x0, S5P_FIMV_E_H264_I_PERIOD_V6);
+	if (p_h264->open_gop) {
+		reg = 0;
+		reg |= p_h264->open_gop_size & 0xFFFF;
+		WRITEL(reg, S5P_FIMV_E_H264_I_PERIOD_V6);
+	}
+
+	/* 'WEIGHTED_BI_PREDICTION' for B is disable */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x3 << 9);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* 'CONSTRAINED_INTRA_PRED_ENABLE' is disable */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1 << 14);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* ASO */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1 << 6);
+	reg |= ((p_h264->aso & 0x1) << 6);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+
+	/* hier qp enable */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1 << 8);
+	reg |= ((p_h264->open_gop & 0x1) << 8);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+	reg = 0;
+	if (p_h264->hier_qp && p_h264->hier_qp_layer) {
+		reg |= (p_h264->hier_qp_type & 0x1) << 0x3;
+		reg |= p_h264->hier_qp_layer & 0x7;
+		WRITEL(reg, S5P_FIMV_E_H264_NUM_T_LAYER_V6);
+		/* QP value for each layer */
+		for (i = 0; i < (p_h264->hier_qp_layer & 0x7); i++)
+			WRITEL(p_h264->hier_qp_layer_qp[i],
+				S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER0_V6 +
+				i * 4);
+	}
+	/* number of coding layer should be zero when hierarchical is disable */
+	WRITEL(reg, S5P_FIMV_E_H264_NUM_T_LAYER_V6);
+
+	/* frame packing SEI generation */
+	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
+	reg &= ~(0x1 << 25);
+	reg |= ((p_h264->sei_frame_packing & 0x1) << 25);
+	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
+	if (p_h264->sei_frame_packing) {
+		reg = 0;
+		/** current frame0 flag */
+		reg |= ((p_h264->sei_fp_curr_frame_0 & 0x1) << 2);
+		/** arrangement type */
+		reg |= p_h264->sei_fp_arrangement_type & 0x3;
+		WRITEL(reg, S5P_FIMV_E_H264_FRAME_PACKING_SEI_INFO_V6);
+	}
+
+	if (p_h264->fmo) {
+		switch (p_h264->fmo_map_type) {
+		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES:
+			if (p_h264->fmo_slice_grp > 4)
+				p_h264->fmo_slice_grp = 4;
+			for (i = 0; i < (p_h264->fmo_slice_grp & 0xF); i++)
+				WRITEL(p_h264->fmo_run_len[i] - 1,
+				S5P_FIMV_E_H264_FMO_RUN_LENGTH_MINUS1_0_V6 +
+				i * 4);
+			break;
+		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES:
+			if (p_h264->fmo_slice_grp > 4)
+				p_h264->fmo_slice_grp = 4;
+			break;
+		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN:
+		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN:
+			if (p_h264->fmo_slice_grp > 2)
+				p_h264->fmo_slice_grp = 2;
+			WRITEL(p_h264->fmo_chg_dir & 0x1,
+				S5P_FIMV_E_H264_FMO_SLICE_GRP_CHANGE_DIR_V6);
+			/* the valid range is 0 ~ number of macroblocks -1 */
+			WRITEL(p_h264->fmo_chg_rate,
+				S5P_FIMV_E_H264_FMO_SLICE_GRP_CHANGE_RATE_MINUS1_V6);
+			break;
+		default:
+			mfc_err("Unsupported map type for FMO: %d\n",
+					p_h264->fmo_map_type);
+			p_h264->fmo_map_type = 0;
+			p_h264->fmo_slice_grp = 1;
+			break;
+		}
+
+		WRITEL(p_h264->fmo_map_type,
+				S5P_FIMV_E_H264_FMO_SLICE_GRP_MAP_TYPE_V6);
+		WRITEL(p_h264->fmo_slice_grp - 1,
+				S5P_FIMV_E_H264_FMO_NUM_SLICE_GRP_MINUS1_V6);
+	} else {
+		WRITEL(0, S5P_FIMV_E_H264_FMO_NUM_SLICE_GRP_MINUS1_V6);
+	}
+
+	mfc_debug_leave();
+
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
+	unsigned int reg = 0;
+
+	mfc_debug_enter();
+
+	s5p_mfc_set_enc_params(ctx);
+
+	/* pictype : number of B */
+	reg = READL(S5P_FIMV_E_GOP_CONFIG_V6);
+	reg &= ~(0x3 << 16);
+	reg |= ((p->num_b_frame & 0x3) << 16);
+	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);
+
+	/* profile & level */
+	reg = 0;
+	/** level */
+	reg |= ((p_mpeg4->level & 0xFF) << 8);
+	/** profile - 0 ~ 1 */
+	reg |= p_mpeg4->profile & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);
+
+	/* rate control config. */
+	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
+	/** macroblock level rate control */
+	reg &= ~(0x1 << 8);
+	reg |= ((p->rc_mb & 0x1) << 8);
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+	/** frame QP */
+	reg &= ~(0x3F);
+	reg |= p_mpeg4->rc_frame_qp & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+
+	/* max & min value of QP */
+	reg = 0;
+	/** max QP */
+	reg |= ((p_mpeg4->rc_max_qp & 0x3F) << 8);
+	/** min QP */
+	reg |= p_mpeg4->rc_min_qp & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_RC_QP_BOUND_V6);
+
+	/* other QPs */
+	WRITEL(0x0, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
+	if (!p->rc_frame && !p->rc_mb) {
+		reg = 0;
+		reg |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 16);
+		reg |= ((p_mpeg4->rc_p_frame_qp & 0x3F) << 8);
+		reg |= p_mpeg4->rc_frame_qp & 0x3F;
+		WRITEL(reg, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
+	}
+
+	/* frame rate */
+	if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
+		reg = 0;
+		reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
+		reg |= p->rc_framerate_denom & 0xFFFF;
+		WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
+	}
+
+	/* vbv buffer size */
+	if (p->frame_skip_mode ==
+			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
+		WRITEL(p->vbv_size & 0xFFFF, S5P_FIMV_E_VBV_BUFFER_SIZE_V6);
+
+		if (p->rc_frame)
+			WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
+	}
+
+	/* Disable HEC */
+	WRITEL(0x0, S5P_FIMV_E_MPEG4_OPTIONS_V6);
+	WRITEL(0x0, S5P_FIMV_E_MPEG4_HEC_PERIOD_V6);
+
+	mfc_debug_leave();
+
+	return 0;
+}
+
+static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
+	unsigned int reg = 0;
+
+	mfc_debug_enter();
+
+	s5p_mfc_set_enc_params(ctx);
+
+	/* profile & level */
+	reg = 0;
+	/** profile */
+	reg |= (0x1 << 4);
+	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);
+
+	/* rate control config. */
+	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
+	/** macroblock level rate control */
+	reg &= ~(0x1 << 8);
+	reg |= ((p->rc_mb & 0x1) << 8);
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+	/** frame QP */
+	reg &= ~(0x3F);
+	reg |= p_h263->rc_frame_qp & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
+
+	/* max & min value of QP */
+	reg = 0;
+	/** max QP */
+	reg |= ((p_h263->rc_max_qp & 0x3F) << 8);
+	/** min QP */
+	reg |= p_h263->rc_min_qp & 0x3F;
+	WRITEL(reg, S5P_FIMV_E_RC_QP_BOUND_V6);
+
+	/* other QPs */
+	WRITEL(0x0, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
+	if (!p->rc_frame && !p->rc_mb) {
+		reg = 0;
+		reg |= ((p_h263->rc_b_frame_qp & 0x3F) << 16);
+		reg |= ((p_h263->rc_p_frame_qp & 0x3F) << 8);
+		reg |= p_h263->rc_frame_qp & 0x3F;
+		WRITEL(reg, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
+	}
+
+	/* frame rate */
+	if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
+		reg = 0;
+		reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
+		reg |= p->rc_framerate_denom & 0xFFFF;
+		WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
+	}
+
+	/* vbv buffer size */
+	if (p->frame_skip_mode ==
+			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
+		WRITEL(p->vbv_size & 0xFFFF, S5P_FIMV_E_VBV_BUFFER_SIZE_V6);
+
+		if (p->rc_frame)
+			WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
+	}
+
+	mfc_debug_leave();
+
+	return 0;
+}
+
+/* Initialize decoding */
+int s5p_mfc_init_decode_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned int reg = 0;
+	int fmo_aso_ctrl = 0;
+
+	mfc_debug_enter();
+	mfc_debug(2, "InstNo: %d/%d\n", ctx->inst_no,
+			S5P_FIMV_CH_SEQ_HEADER_V6);
+	mfc_debug(2, "BUFs: %08x %08x %08x\n",
+		  READL(S5P_FIMV_D_CPB_BUFFER_ADDR_V6),
+		  READL(S5P_FIMV_D_CPB_BUFFER_ADDR_V6),
+		  READL(S5P_FIMV_D_CPB_BUFFER_ADDR_V6));
+
+	/* FMO_ASO_CTRL - 0: Enable, 1: Disable */
+	reg |= (fmo_aso_ctrl << S5P_FIMV_D_OPT_FMO_ASO_CTRL_MASK_V6);
+
+	/* When user sets desplay_delay to 0,
+	 * It works as "display_delay enable" and delay set to 0.
+	 * If user wants display_delay disable, It should be
+	 * set to negative value. */
+	if (ctx->display_delay >= 0) {
+		reg |= (0x1 << S5P_FIMV_D_OPT_DDELAY_EN_SHIFT_V6);
+		WRITEL(ctx->display_delay, S5P_FIMV_D_DISPLAY_DELAY_V6);
+	}
+	/* Setup loop filter, for decoding this is only valid for MPEG4 */
+	if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_DEC) {
+		mfc_debug(2, "Set loop filter to: %d\n",
+				ctx->loop_filter_mpeg4);
+		reg |= (ctx->loop_filter_mpeg4 <<
+				S5P_FIMV_D_OPT_LF_CTRL_SHIFT_V6);
+	}
+	if (ctx->dst_fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16)
+		reg |= (0x1 << S5P_FIMV_D_OPT_TILE_MODE_SHIFT_V6);
+
+	WRITEL(reg, S5P_FIMV_D_DEC_OPTIONS_V6);
+
+	/* 0: NV12(CbCr), 1: NV21(CrCb) */
+	if (ctx->dst_fmt->fourcc == V4L2_PIX_FMT_NV21M)
+		WRITEL(0x1, S5P_FIMV_PIXEL_FORMAT_V6);
+	else
+		WRITEL(0x0, S5P_FIMV_PIXEL_FORMAT_V6);
+
+	/* sei parse */
+	WRITEL(ctx->sei_fp_parse & 0x1, S5P_FIMV_D_SEI_ENABLE_V6);
+
+	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
+	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
+			S5P_FIMV_CH_SEQ_HEADER_V6, NULL);
+
+	mfc_debug_leave();
+	return 0;
+}
+
+static inline void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned int dpb;
+	if (flush)
+		dpb = READL(S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (1 << 14);
+	else
+		dpb = READL(S5P_FIMV_SI_CH0_DPB_CONF_CTRL) & ~(1 << 14);
+	WRITEL(dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
+}
+
+/* Decode a single frame */
+int s5p_mfc_decode_one_frame_v6(struct s5p_mfc_ctx *ctx,
+			enum s5p_mfc_decode_arg last_frame)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	WRITEL(ctx->dec_dst_flag, S5P_FIMV_D_AVAILABLE_DPB_FLAG_LOWER_V6);
+	WRITEL(ctx->slice_interface & 0x1, S5P_FIMV_D_SLICE_IF_ENABLE_V6);
+
+	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
+	/* Issue different commands to instance basing on whether it
+	 * is the last frame or not. */
+	switch (last_frame) {
+	case 0:
+		s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
+				S5P_FIMV_CH_FRAME_START_V6, NULL);
+		break;
+	case 1:
+		s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
+				S5P_FIMV_CH_LAST_FRAME_V6, NULL);
+		break;
+	default:
+		mfc_err("Unsupported last frame arg.\n");
+		return -EINVAL;
+	}
+
+	mfc_debug(2, "Decoding a usual frame.\n");
+	return 0;
+}
+
+int s5p_mfc_init_encode_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
+		s5p_mfc_set_enc_params_h264(ctx);
+	else if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_ENC)
+		s5p_mfc_set_enc_params_mpeg4(ctx);
+	else if (ctx->codec_mode == S5P_MFC_CODEC_H263_ENC)
+		s5p_mfc_set_enc_params_h263(ctx);
+	else {
+		mfc_err("Unknown codec for encoding (%x).\n",
+			ctx->codec_mode);
+		return -EINVAL;
+	}
+
+	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
+	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
+			S5P_FIMV_CH_SEQ_HEADER_V6, NULL);
+
+	return 0;
+}
+
+int s5p_mfc_h264_set_aso_slice_order_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_enc_params *p = &ctx->enc_params;
+	struct s5p_mfc_h264_enc_params *p_h264 = &p->codec.h264;
+	int i;
+
+	if (p_h264->aso) {
+		for (i = 0; i < 8; i++)
+			WRITEL(p_h264->aso_slice_order[i],
+				S5P_FIMV_E_H264_ASO_SLICE_ORDER_0_V6 + i * 4);
+	}
+	return 0;
+}
+
+/* Encode a single frame */
+int s5p_mfc_encode_one_frame_v6(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	mfc_debug(2, "++\n");
+
+	/* memory structure cur. frame */
+
+	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
+		s5p_mfc_h264_set_aso_slice_order_v6(ctx);
+
+	s5p_mfc_set_slice_mode(ctx);
+
+	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
+	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
+			S5P_FIMV_CH_FRAME_START_V6, NULL);
+
+	mfc_debug(2, "--\n");
+
+	return 0;
+}
+
+static inline int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
+{
+	unsigned long flags;
+	int new_ctx;
+	int cnt;
+
+	spin_lock_irqsave(&dev->condlock, flags);
+	mfc_debug(2, "Previos context: %d (bits %08lx)\n", dev->curr_ctx,
+							dev->ctx_work_bits);
+	new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
+	cnt = 0;
+	while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
+		new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
+		cnt++;
+		if (cnt > MFC_NUM_CONTEXTS) {
+			/* No contexts to run */
+			spin_unlock_irqrestore(&dev->condlock, flags);
+			return -EAGAIN;
+		}
+	}
+	spin_unlock_irqrestore(&dev->condlock, flags);
+	return new_ctx;
+}
+
+static inline void s5p_mfc_run_dec_last_frames(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf *temp_vb;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+
+	/* Frames are being decoded */
+	if (list_empty(&ctx->src_queue)) {
+		mfc_debug(2, "No src buffers.\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return;
+	}
+	/* Get the next source buffer */
+	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
+	temp_vb->flags |= MFC_BUF_FLAG_USED;
+	s5p_mfc_set_dec_stream_buffer_v6(ctx,
+			vb2_dma_contig_plane_dma_addr(temp_vb->b, 0), 0, 0);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	s5p_mfc_decode_one_frame_v6(ctx, 1);
+}
+
+static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	struct s5p_mfc_buf *temp_vb;
+	unsigned long flags;
+	int last_frame = 0;
+	unsigned int index;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+
+	/* Frames are being decoded */
+	if (list_empty(&ctx->src_queue)) {
+		mfc_debug(2, "No src buffers.\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return -EAGAIN;
+	}
+	/* Get the next source buffer */
+	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
+	temp_vb->flags |= MFC_BUF_FLAG_USED;
+	s5p_mfc_set_dec_stream_buffer_v6(ctx,
+		vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
+			ctx->consumed_stream,
+			temp_vb->b->v4l2_planes[0].bytesused);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+
+	index = temp_vb->b->v4l2_buf.index;
+
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	if (temp_vb->b->v4l2_planes[0].bytesused == 0) {
+		last_frame = 1;
+		mfc_debug(2, "Setting ctx->state to FINISHING\n");
+		ctx->state = MFCINST_FINISHING;
+	}
+	s5p_mfc_decode_one_frame_v6(ctx, last_frame);
+
+	return 0;
+}
+
+static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long flags;
+	struct s5p_mfc_buf *dst_mb;
+	struct s5p_mfc_buf *src_mb;
+	unsigned long src_y_addr, src_c_addr, dst_addr;
+	/*
+	unsigned int src_y_size, src_c_size;
+	*/
+	unsigned int dst_size;
+	unsigned int index;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+
+	if (list_empty(&ctx->src_queue)) {
+		mfc_debug(2, "no src buffers.\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return -EAGAIN;
+	}
+
+	if (list_empty(&ctx->dst_queue)) {
+		mfc_debug(2, "no dst buffers.\n");
+		spin_unlock_irqrestore(&dev->irqlock, flags);
+		return -EAGAIN;
+	}
+
+	src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
+	src_mb->flags |= MFC_BUF_FLAG_USED;
+	src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 0);
+	src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 1);
+
+	mfc_debug(2, "enc src y addr: 0x%08lx", src_y_addr);
+	mfc_debug(2, "enc src c addr: 0x%08lx", src_c_addr);
+
+	s5p_mfc_set_enc_frame_buffer_v6(ctx, src_y_addr, src_c_addr);
+
+	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
+	dst_mb->flags |= MFC_BUF_FLAG_USED;
+	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
+	dst_size = vb2_plane_size(dst_mb->b, 0);
+
+	s5p_mfc_set_enc_stream_buffer_v6(ctx, dst_addr, dst_size);
+
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+
+	index = src_mb->b->v4l2_buf.index;
+
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	s5p_mfc_encode_one_frame_v6(ctx);
+
+	return 0;
+}
+
+static inline void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long flags;
+	struct s5p_mfc_buf *temp_vb;
+
+	/* Initializing decoding - parsing header */
+	spin_lock_irqsave(&dev->irqlock, flags);
+	mfc_debug(2, "Preparing to init decoding.\n");
+	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
+	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
+	s5p_mfc_set_dec_stream_buffer_v6(ctx,
+		vb2_dma_contig_plane_dma_addr(temp_vb->b, 0), 0,
+			temp_vb->b->v4l2_planes[0].bytesused);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	s5p_mfc_init_decode_v6(ctx);
+}
+
+static inline void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	unsigned long flags;
+	struct s5p_mfc_buf *dst_mb;
+	unsigned long dst_addr;
+	unsigned int dst_size;
+
+	spin_lock_irqsave(&dev->irqlock, flags);
+
+	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
+	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
+	dst_size = vb2_plane_size(dst_mb->b, 0);
+	s5p_mfc_set_enc_stream_buffer_v6(ctx, dst_addr, dst_size);
+	spin_unlock_irqrestore(&dev->irqlock, flags);
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	s5p_mfc_init_encode_v6(ctx);
+}
+
+static inline int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	int ret;
+	/* Header was parsed now start processing
+	 * First set the output frame buffers
+	 * s5p_mfc_alloc_dec_buffers(ctx); */
+
+	if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
+		mfc_err("It seems that not all destionation buffers were\n"
+			"mmaped.MFC requires that all destination are mmaped\n"
+			"before starting processing.\n");
+		return -EAGAIN;
+	}
+
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	ret = s5p_mfc_set_dec_frame_buffer_v6(ctx);
+	if (ret) {
+		mfc_err("Failed to alloc frame mem.\n");
+		ctx->state = MFCINST_ERROR;
+	}
+	return ret;
+}
+
+static inline int s5p_mfc_run_init_enc_buffers(struct s5p_mfc_ctx *ctx)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	int ret;
+
+	ret = s5p_mfc_alloc_codec_buffers_v6(ctx);
+	if (ret) {
+		mfc_err("Failed to allocate encoding buffers.\n");
+		return -ENOMEM;
+	}
+
+	/* Header was generated now starting processing
+	 * First set the reference frame buffers
+	 */
+	if (ctx->capture_state != QUEUE_BUFS_REQUESTED) {
+		mfc_err("It seems that destionation buffers were not\n"
+			"requested.MFC requires that header should be generated\n"
+			"before allocating codec buffer.\n");
+		return -EAGAIN;
+	}
+
+	dev->curr_ctx = ctx->num;
+	s5p_mfc_clean_ctx_int_flags(ctx);
+	ret = s5p_mfc_set_enc_ref_buffer_v6(ctx);
+	if (ret) {
+		mfc_err("Failed to alloc frame mem.\n");
+		ctx->state = MFCINST_ERROR;
+	}
+	return ret;
+}
+
+/* Try running an operation on hardware */
+void s5p_mfc_try_run_v6(struct s5p_mfc_dev *dev)
+{
+	struct s5p_mfc_ctx *ctx;
+	int new_ctx;
+	unsigned int ret = 0;
+
+	mfc_debug(1, "Try run dev: %p\n", dev);
+
+	/* Check whether hardware is not running */
+	if (test_and_set_bit(0, &dev->hw_lock) != 0) {
+		/* This is perfectly ok, the scheduled ctx should wait */
+		mfc_debug(1, "Couldn't lock HW.\n");
+		return;
+	}
+
+	/* Choose the context to run */
+	new_ctx = s5p_mfc_get_new_ctx(dev);
+	if (new_ctx < 0) {
+		/* No contexts to run */
+		if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
+			mfc_err("Failed to unlock hardware.\n");
+			return;
+		}
+
+		mfc_debug(1, "No ctx is scheduled to be run.\n");
+		return;
+	}
+
+	mfc_debug(1, "New context: %d\n", new_ctx);
+	ctx = dev->ctx[new_ctx];
+	mfc_debug(1, "Seting new context to %p\n", ctx);
+	/* Got context to run in ctx */
+	mfc_debug(1, "ctx->dst_queue_cnt=%d ctx->dpb_count=%d ctx->src_queue_cnt=%d\n",
+		ctx->dst_queue_cnt, ctx->dpb_count, ctx->src_queue_cnt);
+	mfc_debug(1, "ctx->state=%d\n", ctx->state);
+	/* Last frame has already been sent to MFC
+	 * Now obtaining frames from MFC buffer */
+
+	s5p_mfc_clock_on();
+	if (ctx->type == MFCINST_DECODER) {
+		switch (ctx->state) {
+		case MFCINST_FINISHING:
+			s5p_mfc_run_dec_last_frames(ctx);
+			break;
+		case MFCINST_RUNNING:
+			ret = s5p_mfc_run_dec_frame(ctx);
+			break;
+		case MFCINST_INIT:
+			s5p_mfc_clean_ctx_int_flags(ctx);
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_RETURN_INST:
+			s5p_mfc_clean_ctx_int_flags(ctx);
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_GOT_INST:
+			s5p_mfc_run_init_dec(ctx);
+			break;
+		case MFCINST_HEAD_PARSED:
+			ret = s5p_mfc_run_init_dec_buffers(ctx);
+			break;
+		case MFCINST_RES_CHANGE_INIT:
+			s5p_mfc_run_dec_last_frames(ctx);
+			break;
+		case MFCINST_RES_CHANGE_FLUSH:
+			s5p_mfc_run_dec_last_frames(ctx);
+			break;
+		case MFCINST_RES_CHANGE_END:
+			mfc_debug(2, "Finished remaining frames after resolution change.\n");
+			ctx->capture_state = QUEUE_FREE;
+			mfc_debug(2, "Will re-init the codec`.\n");
+			s5p_mfc_run_init_dec(ctx);
+			break;
+		default:
+			ret = -EAGAIN;
+		}
+	} else if (ctx->type == MFCINST_ENCODER) {
+		switch (ctx->state) {
+		case MFCINST_FINISHING:
+		case MFCINST_RUNNING:
+			ret = s5p_mfc_run_enc_frame(ctx);
+			break;
+		case MFCINST_INIT:
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_RETURN_INST:
+			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
+					ctx);
+			break;
+		case MFCINST_GOT_INST:
+			s5p_mfc_run_init_enc(ctx);
+			break;
+		case MFCINST_HEAD_PARSED: /* Only for MFC6.x */
+			ret = s5p_mfc_run_init_enc_buffers(ctx);
+			break;
+		default:
+			ret = -EAGAIN;
+		}
+	} else {
+		mfc_err("invalid context type: %d\n", ctx->type);
+		ret = -EAGAIN;
+	}
+
+	if (ret) {
+		/* Free hardware lock */
+		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
+			mfc_err("Failed to unlock hardware.\n");
+
+		/* This is in deed imporant, as no operation has been
+		 * scheduled, reduce the clock count as no one will
+		 * ever do this, because no interrupt related to this try_run
+		 * will ever come from hardware. */
+		s5p_mfc_clock_off();
+	}
+}
+
+
+void s5p_mfc_cleanup_queue_v6(struct list_head *lh, struct vb2_queue *vq)
+{
+	struct s5p_mfc_buf *b;
+	int i;
+
+	while (!list_empty(lh)) {
+		b = list_entry(lh->next, struct s5p_mfc_buf, list);
+		for (i = 0; i < b->b->num_planes; i++)
+			vb2_set_plane_payload(b->b, i, 0);
+		vb2_buffer_done(b->b, VB2_BUF_STATE_ERROR);
+		list_del(&b->list);
+	}
+}
+
+void s5p_mfc_clear_int_flags_v6(struct s5p_mfc_dev *dev)
+{
+	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD_V6);
+	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_INT_V6);
+}
+
+void s5p_mfc_write_info_v6(struct s5p_mfc_ctx *ctx, unsigned int data,
+		unsigned int ofs)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+
+	s5p_mfc_clock_on();
+	WRITEL(data, ofs);
+	s5p_mfc_clock_off();
+}
+
+unsigned int s5p_mfc_read_info_v6(struct s5p_mfc_ctx *ctx, unsigned int ofs)
+{
+	struct s5p_mfc_dev *dev = ctx->dev;
+	int ret;
+
+	s5p_mfc_clock_on();
+	ret = READL(ofs);
+	s5p_mfc_clock_off();
+
+	return ret;
+}
+
+int s5p_mfc_get_dspl_y_adr_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DISPLAY_LUMA_ADDR_V6);
+}
+
+int s5p_mfc_get_dec_y_adr_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DISPLAY_LUMA_ADDR_V6);
+}
+
+int s5p_mfc_get_dspl_status_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DISPLAY_STATUS_V6);
+}
+
+int s5p_mfc_get_decoded_status_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DECODED_STATUS_V6);
+}
+
+int s5p_mfc_get_dec_frame_type_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DECODED_FRAME_TYPE_V6) &
+		S5P_FIMV_DECODE_FRAME_MASK_V6;
+}
+
+int s5p_mfc_get_disp_frame_type_v6(struct s5p_mfc_ctx *ctx)
+{
+	return mfc_read(ctx->dev, S5P_FIMV_D_DISPLAY_FRAME_TYPE_V6) &
+		S5P_FIMV_DECODE_FRAME_MASK_V6;
+}
+
+int s5p_mfc_get_consumed_stream_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DECODED_NAL_SIZE_V6);
+}
+
+int s5p_mfc_get_int_reason_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_RISC2HOST_CMD_V6) &
+		S5P_FIMV_RISC2HOST_CMD_MASK;
+}
+
+int s5p_mfc_get_int_err_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_ERROR_CODE_V6);
+}
+
+int s5p_mfc_err_dec_v6(unsigned int err)
+{
+	return (err & S5P_FIMV_ERR_DEC_MASK_V6) >> S5P_FIMV_ERR_DEC_SHIFT_V6;
+}
+
+int s5p_mfc_err_dspl_v6(unsigned int err)
+{
+	return (err & S5P_FIMV_ERR_DSPL_MASK_V6) >> S5P_FIMV_ERR_DSPL_SHIFT_V6;
+}
+
+int s5p_mfc_get_img_width_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DISPLAY_FRAME_WIDTH_V6);
+}
+
+int s5p_mfc_get_img_height_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_DISPLAY_FRAME_HEIGHT_V6);
+}
+
+int s5p_mfc_get_dpb_count_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_MIN_NUM_DPB_V6);
+}
+
+int s5p_mfc_get_mv_count_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_MIN_NUM_MV_V6);
+}
+
+int s5p_mfc_get_inst_no_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_RET_INSTANCE_ID_V6);
+}
+
+int s5p_mfc_get_enc_dpb_count_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_E_NUM_DPB_V6);
+}
+
+int s5p_mfc_get_enc_strm_size_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_E_STREAM_SIZE_V6);
+}
+
+int s5p_mfc_get_enc_slice_type_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_E_SLICE_TYPE_V6);
+}
+
+int s5p_mfc_get_enc_pic_count_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_E_PICTURE_COUNT_V6);
+}
+
+int s5p_mfc_get_sei_avail_status_v6(struct s5p_mfc_ctx *ctx)
+{
+	return mfc_read(ctx->dev, S5P_FIMV_D_FRAME_PACK_SEI_AVAIL_V6);
+}
+
+int s5p_mfc_get_mvc_num_views_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_MVC_NUM_VIEWS_V6);
+}
+
+int s5p_mfc_get_mvc_view_id_v6(struct s5p_mfc_dev *dev)
+{
+	return mfc_read(dev, S5P_FIMV_D_MVC_VIEW_ID_V6);
+}
+
+unsigned int s5p_mfc_get_pic_type_top_v6(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v6(ctx, PIC_TIME_TOP_V6);
+}
+
+unsigned int s5p_mfc_get_pic_type_bot_v6(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v6(ctx, PIC_TIME_BOT_V6);
+}
+
+unsigned int s5p_mfc_get_crop_info_h_v6(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v6(ctx, CROP_INFO_H_V6);
+}
+
+unsigned int s5p_mfc_get_crop_info_v_v6(struct s5p_mfc_ctx *ctx)
+{
+	return s5p_mfc_read_info_v6(ctx, CROP_INFO_V_V6);
+}
+
+/* Initialize opr function pointers for MFC v6 */
+static struct s5p_mfc_hw_ops s5p_mfc_ops_v6 = {
+	.alloc_dec_temp_buffers = s5p_mfc_alloc_dec_temp_buffers_v6,
+	.release_dec_desc_buffer = s5p_mfc_release_dec_desc_buffer_v6,
+	.alloc_codec_buffers = s5p_mfc_alloc_codec_buffers_v6,
+	.release_codec_buffers = s5p_mfc_release_codec_buffers_v6,
+	.alloc_instance_buffer = s5p_mfc_alloc_instance_buffer_v6,
+	.release_instance_buffer = s5p_mfc_release_instance_buffer_v6,
+	.alloc_dev_context_buffer =
+		s5p_mfc_alloc_dev_context_buffer_v6,
+	.release_dev_context_buffer =
+		s5p_mfc_release_dev_context_buffer_v6,
+	.dec_calc_dpb_size = s5p_mfc_dec_calc_dpb_size_v6,
+	.enc_calc_src_size = s5p_mfc_enc_calc_src_size_v6,
+	.set_dec_stream_buffer = s5p_mfc_set_dec_stream_buffer_v6,
+	.set_dec_frame_buffer = s5p_mfc_set_dec_frame_buffer_v6,
+	.set_enc_stream_buffer = s5p_mfc_set_enc_stream_buffer_v6,
+	.set_enc_frame_buffer = s5p_mfc_set_enc_frame_buffer_v6,
+	.get_enc_frame_buffer = s5p_mfc_get_enc_frame_buffer_v6,
+	.set_enc_ref_buffer = s5p_mfc_set_enc_ref_buffer_v6,
+	.init_decode = s5p_mfc_init_decode_v6,
+	.init_encode = s5p_mfc_init_encode_v6,
+	.encode_one_frame = s5p_mfc_encode_one_frame_v6,
+	.try_run = s5p_mfc_try_run_v6,
+	.cleanup_queue = s5p_mfc_cleanup_queue_v6,
+	.clear_int_flags = s5p_mfc_clear_int_flags_v6,
+	.write_info = s5p_mfc_write_info_v6,
+	.read_info = s5p_mfc_read_info_v6,
+	.get_dspl_y_adr = s5p_mfc_get_dspl_y_adr_v6,
+	.get_dec_y_adr = s5p_mfc_get_dec_y_adr_v6,
+	.get_dspl_status = s5p_mfc_get_dspl_status_v6,
+	.get_dec_status = s5p_mfc_get_dec_status_v6,
+	.get_dec_frame_type = s5p_mfc_get_dec_frame_type_v6,
+	.get_disp_frame_type = s5p_mfc_get_disp_frame_type_v6,
+	.get_consumed_stream = s5p_mfc_get_consumed_stream_v6,
+	.get_int_reason = s5p_mfc_get_int_reason_v6,
+	.get_int_err = s5p_mfc_get_int_err_v6,
+	.err_dec = s5p_mfc_err_dec_v6,
+	.err_dspl = s5p_mfc_err_dspl_v6,
+	.get_img_width = s5p_mfc_get_img_width_v6,
+	.get_img_height = s5p_mfc_get_img_height_v6,
+	.get_dpb_count = s5p_mfc_get_dpb_count_v6,
+	.get_mv_count = s5p_mfc_get_mv_count_v6,
+	.get_inst_no = s5p_mfc_get_inst_no_v6,
+	.get_enc_strm_size = s5p_mfc_get_enc_strm_size_v6,
+	.get_enc_slice_type = s5p_mfc_get_enc_slice_type_v6,
+	.get_enc_dpb_count = s5p_mfc_get_enc_dpb_count_v6,
+	.get_enc_pic_count = s5p_mfc_get_enc_pic_count_v6,
+	.get_sei_avail_status = s5p_mfc_get_sei_avail_status_v6,
+	.get_mvc_num_views = s5p_mfc_get_mvc_num_views_v6,
+	.get_mvc_view_id = s5p_mfc_get_mvc_view_id_v6,
+	.get_pic_type_top = s5p_mfc_get_pic_type_top_v6,
+	.get_pic_type_bot = s5p_mfc_get_pic_type_bot_v6,
+	.get_crop_info_h = s5p_mfc_get_crop_info_h_v6,
+	.get_crop_info_v = s5p_mfc_get_crop_info_v_v6,
+};
+
+struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void)
+{
+	return &s5p_mfc_ops_v6;
+}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
new file mode 100644
index 00000000000..ab164efa127
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
@@ -0,0 +1,50 @@
+/*
+ * drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
+ *
+ * Header file for Samsung MFC (Multi Function Codec - FIMV) driver
+ * Contains declarations of hw related functions.
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef S5P_MFC_OPR_V6_H_
+#define S5P_MFC_OPR_V6_H_
+
+#include "s5p_mfc_common.h"
+#include "s5p_mfc_opr.h"
+
+#define MFC_CTRL_MODE_CUSTOM	MFC_CTRL_MODE_SFR
+
+#define MB_WIDTH(x_size)		DIV_ROUND_UP(x_size, 16)
+#define MB_HEIGHT(y_size)		DIV_ROUND_UP(y_size, 16)
+#define S5P_MFC_DEC_MV_SIZE_V6(x, y)	(MB_WIDTH(x) * \
+					(((MB_HEIGHT(y)+1)/2)*2) * 64 + 128)
+
+/* Definition */
+#define ENC_MULTI_SLICE_MB_MAX		((1 << 30) - 1)
+#define ENC_MULTI_SLICE_BIT_MIN		2800
+#define ENC_INTRA_REFRESH_MB_MAX	((1 << 18) - 1)
+#define ENC_VBV_BUF_SIZE_MAX		((1 << 30) - 1)
+#define ENC_H264_LOOP_FILTER_AB_MIN	-12
+#define ENC_H264_LOOP_FILTER_AB_MAX	12
+#define ENC_H264_RC_FRAME_RATE_MAX	((1 << 16) - 1)
+#define ENC_H263_RC_FRAME_RATE_MAX	((1 << 16) - 1)
+#define ENC_H264_PROFILE_MAX		3
+#define ENC_H264_LEVEL_MAX		42
+#define ENC_MPEG4_VOP_TIME_RES_MAX	((1 << 16) - 1)
+#define FRAME_DELTA_H264_H263		1
+#define TIGHT_CBR_MAX			10
+
+/* Definitions for shared memory compatibility */
+#define PIC_TIME_TOP_V6		S5P_FIMV_D_RET_PICTURE_TAG_TOP_V6
+#define PIC_TIME_BOT_V6		S5P_FIMV_D_RET_PICTURE_TAG_BOT_V6
+#define CROP_INFO_H_V6		S5P_FIMV_D_DISPLAY_CROP_INFO1_V6
+#define CROP_INFO_V_V6		S5P_FIMV_D_DISPLAY_CROP_INFO2_V6
+
+struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void);
+#endif /* S5P_MFC_OPR_V6_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
index 0503d14ac94..367db755228 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
@@ -20,7 +20,6 @@
 #include "s5p_mfc_debug.h"
 #include "s5p_mfc_pm.h"
 
-#define MFC_CLKNAME		"sclk_mfc"
 #define MFC_GATE_CLK_NAME	"mfc"
 
 #define CLK_DEBUG
@@ -51,7 +50,7 @@ int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
 		goto err_p_ip_clk;
 	}
 
-	pm->clock = clk_get(&dev->plat_dev->dev, MFC_CLKNAME);
+	pm->clock = clk_get(&dev->plat_dev->dev, dev->variant->mclk_name);
 	if (IS_ERR(pm->clock)) {
 		mfc_err("Failed to get MFC clock\n");
 		ret = PTR_ERR(pm->clock);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c
deleted file mode 100644
index b5933d233a4..00000000000
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * linux/drivers/media/platform/s5p-mfc/s5p_mfc_shm.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifdef CONFIG_ARCH_EXYNOS4
-#include <linux/dma-mapping.h>
-#endif
-#include <linux/io.h>
-#include "s5p_mfc_common.h"
-#include "s5p_mfc_debug.h"
-
-int s5p_mfc_init_shm(struct s5p_mfc_ctx *ctx)
-{
-	struct s5p_mfc_dev *dev = ctx->dev;
-	void *shm_alloc_ctx = dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
-
-	ctx->shm_alloc = vb2_dma_contig_memops.alloc(shm_alloc_ctx,
-							SHARED_BUF_SIZE);
-	if (IS_ERR(ctx->shm_alloc)) {
-		mfc_err("failed to allocate shared memory\n");
-		return PTR_ERR(ctx->shm_alloc);
-	}
-	/* shm_ofs only keeps the offset from base (port a) */
-	ctx->shm_ofs = s5p_mfc_mem_cookie(shm_alloc_ctx, ctx->shm_alloc)
-								- dev->bank1;
-	BUG_ON(ctx->shm_ofs & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
-	ctx->shm = vb2_dma_contig_memops.vaddr(ctx->shm_alloc);
-	if (!ctx->shm) {
-		vb2_dma_contig_memops.put(ctx->shm_alloc);
-		ctx->shm_ofs = 0;
-		ctx->shm_alloc = NULL;
-		mfc_err("failed to virt addr of shared memory\n");
-		return -ENOMEM;
-	}
-	memset((void *)ctx->shm, 0, SHARED_BUF_SIZE);
-	wmb();
-	return 0;
-}
-
diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index 403d7f17bfa..9fd9d1c5b21 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -1376,6 +1376,7 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
 	__u32 pixfmt = pix->pixelformat;
 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
 	struct mx2_camera_dev *pcdev = ici->priv;
+	struct mx2_fmt_cfg *emma_prp;
 	unsigned int width_limit;
 	int ret;
 
@@ -1438,12 +1439,11 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
 		__func__, pcdev->s_width, pcdev->s_height);
 
 	/* If the sensor does not support image size try PrP resizing */
-	pcdev->emma_prp = mx27_emma_prp_get_format(xlate->code,
+	emma_prp = mx27_emma_prp_get_format(xlate->code,
 						   xlate->host_fmt->fourcc);
 
-	memset(pcdev->resizing, 0, sizeof(pcdev->resizing));
 	if ((mf.width != pix->width || mf.height != pix->height) &&
-		pcdev->emma_prp->cfg.in_fmt == PRP_CNTL_DATA_IN_YUV422) {
+		emma_prp->cfg.in_fmt == PRP_CNTL_DATA_IN_YUV422) {
 		if (mx2_emmaprp_resize(pcdev, &mf, pix, false) < 0)
 			dev_dbg(icd->parent, "%s: can't resize\n", __func__);
 	}
@@ -1655,6 +1655,7 @@ static int __devinit mx27_camera_emma_init(struct platform_device *pdev)
 	irq_emma = platform_get_irq(pdev, 1);
 	if (!res_emma || !irq_emma) {
 		dev_err(pcdev->dev, "no EMMA resources\n");
+		err = -ENODEV;
 		goto out;
 	}
 
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index 3be92944f8e..d3f0b84e2d7 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -950,11 +950,11 @@ static int soc_camera_s_selection(struct file *file, void *fh,
 
 	/* In all these cases cropping emulation will not help */
 	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
-	    (s->target != V4L2_SEL_TGT_COMPOSE_ACTIVE &&
-	     s->target != V4L2_SEL_TGT_CROP_ACTIVE))
+	    (s->target != V4L2_SEL_TGT_COMPOSE &&
+	     s->target != V4L2_SEL_TGT_CROP))
 		return -EINVAL;
 
-	if (s->target == V4L2_SEL_TGT_COMPOSE_ACTIVE) {
+	if (s->target == V4L2_SEL_TGT_COMPOSE) {
 		/* No output size change during a running capture! */
 		if (is_streaming(ici, icd) &&
 		    (icd->user_width != s->r.width ||
@@ -974,7 +974,7 @@ static int soc_camera_s_selection(struct file *file, void *fh,
 
 	ret = ici->ops->set_selection(icd, s);
 	if (!ret &&
-	    s->target == V4L2_SEL_TGT_COMPOSE_ACTIVE) {
+	    s->target == V4L2_SEL_TGT_COMPOSE) {
 		icd->user_width = s->r.width;
 		icd->user_height = s->r.height;
 		if (!icd->streamer)
@@ -1184,7 +1184,8 @@ static int soc_camera_probe(struct soc_camera_device *icd)
 	sd->grp_id = soc_camera_grp_id(icd);
 	v4l2_set_subdev_hostdata(sd, icd);
 
-	if (v4l2_ctrl_add_handler(&icd->ctrl_handler, sd->ctrl_handler, NULL))
+	ret = v4l2_ctrl_add_handler(&icd->ctrl_handler, sd->ctrl_handler, NULL);
+	if (ret < 0)
 		goto ectrl;
 
 	/* At this point client .probe() should have run already */
@@ -1529,12 +1530,11 @@ static int __devinit soc_camera_pdrv_probe(struct platform_device *pdev)
 {
 	struct soc_camera_link *icl = pdev->dev.platform_data;
 	struct soc_camera_device *icd;
-	int ret;
 
 	if (!icl)
 		return -EINVAL;
 
-	icd = kzalloc(sizeof(*icd), GFP_KERNEL);
+	icd = devm_kzalloc(&pdev->dev, sizeof(*icd), GFP_KERNEL);
 	if (!icd)
 		return -ENOMEM;
 
@@ -1543,19 +1543,10 @@ static int __devinit soc_camera_pdrv_probe(struct platform_device *pdev)
 	icd->pdev = &pdev->dev;
 	platform_set_drvdata(pdev, icd);
 
-	ret = soc_camera_device_register(icd);
-	if (ret < 0)
-		goto escdevreg;
-
 	icd->user_width		= DEFAULT_WIDTH;
 	icd->user_height	= DEFAULT_HEIGHT;
 
-	return 0;
-
-escdevreg:
-	kfree(icd);
-
-	return ret;
+	return soc_camera_device_register(icd);
 }
 
 /*
@@ -1572,8 +1563,6 @@ static int __devexit soc_camera_pdrv_remove(struct platform_device *pdev)
 
 	list_del(&icd->list);
 
-	kfree(icd);
-
 	return 0;
 }
 
@@ -1586,18 +1575,7 @@ static struct platform_driver __refdata soc_camera_pdrv = {
 	},
 };
 
-static int __init soc_camera_init(void)
-{
-	return platform_driver_register(&soc_camera_pdrv);
-}
-
-static void __exit soc_camera_exit(void)
-{
-	platform_driver_unregister(&soc_camera_pdrv);
-}
-
-module_init(soc_camera_init);
-module_exit(soc_camera_exit);
+module_platform_driver(soc_camera_pdrv);
 
 MODULE_DESCRIPTION("Image capture bus driver");
 MODULE_AUTHOR("Guennadi Liakhovetski <kernel@pengutronix.de>");
diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c
index e5024cfd27a..4ef55ec8045 100644
--- a/drivers/media/radio/si470x/radio-si470x-i2c.c
+++ b/drivers/media/radio/si470x/radio-si470x-i2c.c
@@ -308,7 +308,7 @@ static irqreturn_t si470x_i2c_interrupt(int irq, void *dev_id)
 					READCHAN_BLERD) >> 10;
 			rds = radio->registers[RDSD];
 			break;
-		};
+		}
 
 		/* Fill the V4L2 RDS buffer */
 		put_unaligned_le16(rds, &tmpbuf);
diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c
index be076f7181e..62f3edec39b 100644
--- a/drivers/media/radio/si470x/radio-si470x-usb.c
+++ b/drivers/media/radio/si470x/radio-si470x-usb.c
@@ -446,7 +446,7 @@ static void si470x_int_in_callback(struct urb *urb)
 						READCHAN_BLERD) >> 10;
 				rds = radio->registers[RDSD];
 				break;
-			};
+			}
 
 			/* Fill the V4L2 RDS buffer */
 			put_unaligned_le16(rds, &tmpbuf);
diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c
index a9e6d17015e..e3079c142c5 100644
--- a/drivers/media/radio/si4713-i2c.c
+++ b/drivers/media/radio/si4713-i2c.c
@@ -1009,7 +1009,7 @@ static int si4713_choose_econtrol_action(struct si4713_device *sdev, u32 id,
 
 	default:
 		rval = -EINVAL;
-	};
+	}
 
 	return rval;
 }
@@ -1081,7 +1081,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
 	default:
 		rval = -EINVAL;
 		break;
-	};
+	}
 
 exit:
 	return rval;
@@ -1130,7 +1130,7 @@ static int si4713_write_econtrol_tune(struct si4713_device *sdev,
 	default:
 		rval = -EINVAL;
 		goto unlock;
-	};
+	}
 
 	if (sdev->power_state)
 		rval = si4713_tx_tune_power(sdev, power, antcap);
@@ -1420,7 +1420,7 @@ static int si4713_read_econtrol_string(struct si4713_device *sdev,
 	default:
 		rval = -EINVAL;
 		break;
-	};
+	}
 
 exit:
 	return rval;
@@ -1473,7 +1473,7 @@ static int si4713_read_econtrol_tune(struct si4713_device *sdev,
 		break;
 	default:
 		rval = -EINVAL;
-	};
+	}
 
 unlock:
 	mutex_unlock(&sdev->mutex);
@@ -1698,7 +1698,7 @@ static int si4713_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
 	default:
 		rval = -EINVAL;
 		break;
-	};
+	}
 
 	return rval;
 }
diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c
index 647dd951b0e..d05ac15b5de 100644
--- a/drivers/media/rc/ene_ir.c
+++ b/drivers/media/rc/ene_ir.c
@@ -881,10 +881,13 @@ static int ene_set_tx_mask(struct rc_dev *rdev, u32 tx_mask)
 static int ene_set_tx_carrier(struct rc_dev *rdev, u32 carrier)
 {
 	struct ene_device *dev = rdev->priv;
-	u32 period = 2000000 / carrier;
+	u32 period;
 
 	dbg("TX: attempt to set tx carrier to %d kHz", carrier);
+	if (carrier == 0)
+		return -EINVAL;
 
+	period = 2000000 / carrier;
 	if (period && (period > ENE_CIRMOD_PRD_MAX ||
 			period < ENE_CIRMOD_PRD_MIN)) {
 
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c
index 1e4c68a5cec..51d7057aca0 100644
--- a/drivers/media/rc/iguanair.c
+++ b/drivers/media/rc/iguanair.c
@@ -28,6 +28,7 @@
 #include <media/rc-core.h>
 
 #define DRIVER_NAME "iguanair"
+#define BUF_SIZE 152
 
 struct iguanair {
 	struct rc_dev *rc;
@@ -35,26 +36,23 @@ struct iguanair {
 	struct device *dev;
 	struct usb_device *udev;
 
-	int pipe_out;
 	uint16_t version;
 	uint8_t bufsize;
+	uint8_t cycle_overhead;
 
 	struct mutex lock;
 
 	/* receiver support */
 	bool receiver_on;
-	dma_addr_t dma_in;
+	dma_addr_t dma_in, dma_out;
 	uint8_t *buf_in;
-	struct urb *urb_in;
+	struct urb *urb_in, *urb_out;
 	struct completion completion;
 
 	/* transmit support */
 	bool tx_overflow;
 	uint32_t carrier;
-	uint8_t cycle_overhead;
-	uint8_t channels;
-	uint8_t busy4;
-	uint8_t busy7;
+	struct send_packet *packet;
 
 	char name[64];
 	char phys[64];
@@ -73,7 +71,8 @@ struct iguanair {
 #define DIR_IN			0xdc
 #define DIR_OUT			0xcd
 
-#define MAX_PACKET_SIZE		8u
+#define MAX_IN_PACKET		8u
+#define MAX_OUT_PACKET		(sizeof(struct send_packet) + BUF_SIZE)
 #define TIMEOUT			1000
 #define RX_RESOLUTION		21333
 
@@ -191,20 +190,25 @@ static void iguanair_rx(struct urb *urb)
 		dev_warn(ir->dev, "failed to resubmit urb: %d\n", rc);
 }
 
-static int iguanair_send(struct iguanair *ir, void *data, unsigned size)
+static void iguanair_irq_out(struct urb *urb)
 {
-	int rc, transferred;
+	struct iguanair *ir = urb->context;
+
+	if (urb->status)
+		dev_dbg(ir->dev, "Error: out urb status = %d\n", urb->status);
+}
+
+static int iguanair_send(struct iguanair *ir, unsigned size)
+{
+	int rc;
 
 	INIT_COMPLETION(ir->completion);
 
-	rc = usb_interrupt_msg(ir->udev, ir->pipe_out, data, size,
-							&transferred, TIMEOUT);
+	ir->urb_out->transfer_buffer_length = size;
+	rc = usb_submit_urb(ir->urb_out, GFP_KERNEL);
 	if (rc)
 		return rc;
 
-	if (transferred != size)
-		return -EIO;
-
 	if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0)
 		return -ETIMEDOUT;
 
@@ -213,14 +217,13 @@ static int iguanair_send(struct iguanair *ir, void *data, unsigned size)
 
 static int iguanair_get_features(struct iguanair *ir)
 {
-	struct packet packet;
 	int rc;
 
-	packet.start = 0;
-	packet.direction = DIR_OUT;
-	packet.cmd = CMD_GET_VERSION;
+	ir->packet->header.start = 0;
+	ir->packet->header.direction = DIR_OUT;
+	ir->packet->header.cmd = CMD_GET_VERSION;
 
-	rc = iguanair_send(ir, &packet, sizeof(packet));
+	rc = iguanair_send(ir, sizeof(ir->packet->header));
 	if (rc) {
 		dev_info(ir->dev, "failed to get version\n");
 		goto out;
@@ -235,17 +238,23 @@ static int iguanair_get_features(struct iguanair *ir)
 	ir->bufsize = 150;
 	ir->cycle_overhead = 65;
 
-	packet.cmd = CMD_GET_BUFSIZE;
+	ir->packet->header.cmd = CMD_GET_BUFSIZE;
 
-	rc = iguanair_send(ir, &packet, sizeof(packet));
+	rc = iguanair_send(ir, sizeof(ir->packet->header));
 	if (rc) {
 		dev_info(ir->dev, "failed to get buffer size\n");
 		goto out;
 	}
 
-	packet.cmd = CMD_GET_FEATURES;
+	if (ir->bufsize > BUF_SIZE) {
+		dev_info(ir->dev, "buffer size %u larger than expected\n",
+								ir->bufsize);
+		ir->bufsize = BUF_SIZE;
+	}
+
+	ir->packet->header.cmd = CMD_GET_FEATURES;
 
-	rc = iguanair_send(ir, &packet, sizeof(packet));
+	rc = iguanair_send(ir, sizeof(ir->packet->header));
 	if (rc) {
 		dev_info(ir->dev, "failed to get features\n");
 		goto out;
@@ -257,13 +266,18 @@ out:
 
 static int iguanair_receiver(struct iguanair *ir, bool enable)
 {
-	struct packet packet = { 0, DIR_OUT, enable ?
-				CMD_RECEIVER_ON : CMD_RECEIVER_OFF };
+	int rc;
+
+	ir->packet->header.start = 0;
+	ir->packet->header.direction = DIR_OUT;
+	ir->packet->header.cmd = enable ? CMD_RECEIVER_ON : CMD_RECEIVER_OFF;
 
 	if (enable)
 		ir_raw_event_reset(ir->rc);
 
-	return iguanair_send(ir, &packet, sizeof(packet));
+	rc = iguanair_send(ir, sizeof(ir->packet->header));
+
+	return rc;
 }
 
 /*
@@ -308,8 +322,8 @@ static int iguanair_set_tx_carrier(struct rc_dev *dev, uint32_t carrier)
 		fours = (cycles - sevens * 7) / 4;
 
 		/* magic happens here */
-		ir->busy7 = (4 - sevens) * 2;
-		ir->busy4 = 110 - fours;
+		ir->packet->busy7 = (4 - sevens) * 2;
+		ir->packet->busy4 = 110 - fours;
 	}
 
 	mutex_unlock(&ir->lock);
@@ -325,7 +339,7 @@ static int iguanair_set_tx_mask(struct rc_dev *dev, uint32_t mask)
 		return 4;
 
 	mutex_lock(&ir->lock);
-	ir->channels = mask;
+	ir->packet->channels = mask << 4;
 	mutex_unlock(&ir->lock);
 
 	return 0;
@@ -337,16 +351,9 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count)
 	uint8_t space;
 	unsigned i, size, periods, bytes;
 	int rc;
-	struct send_packet *packet;
 
 	mutex_lock(&ir->lock);
 
-	packet = kmalloc(sizeof(*packet) + ir->bufsize, GFP_KERNEL);
-	if (!packet) {
-		rc = -ENOMEM;
-		goto out;
-	}
-
 	/* convert from us to carrier periods */
 	for (i = space = size = 0; i < count; i++) {
 		periods = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000);
@@ -356,11 +363,11 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count)
 			break;
 		}
 		while (periods > 127) {
-			packet->payload[size++] = 127 | space;
+			ir->packet->payload[size++] = 127 | space;
 			periods -= 127;
 		}
 
-		packet->payload[size++] = periods | space;
+		ir->packet->payload[size++] = periods | space;
 		space ^= 0x80;
 	}
 
@@ -369,36 +376,19 @@ static int iguanair_tx(struct rc_dev *dev, unsigned *txbuf, unsigned count)
 		goto out;
 	}
 
-	packet->header.start = 0;
-	packet->header.direction = DIR_OUT;
-	packet->header.cmd = CMD_SEND;
-	packet->length = size;
-	packet->channels = ir->channels << 4;
-	packet->busy7 = ir->busy7;
-	packet->busy4 = ir->busy4;
-
-	if (ir->receiver_on) {
-		rc = iguanair_receiver(ir, false);
-		if (rc) {
-			dev_warn(ir->dev, "disable receiver before transmit failed\n");
-			goto out;
-		}
-	}
+	ir->packet->header.start = 0;
+	ir->packet->header.direction = DIR_OUT;
+	ir->packet->header.cmd = CMD_SEND;
+	ir->packet->length = size;
 
 	ir->tx_overflow = false;
 
-	rc = iguanair_send(ir, packet, size + 8);
+	rc = iguanair_send(ir, sizeof(*ir->packet) + size);
 
 	if (rc == 0 && ir->tx_overflow)
 		rc = -EOVERFLOW;
 
-	if (ir->receiver_on) {
-		if (iguanair_receiver(ir, true))
-			dev_warn(ir->dev, "re-enable receiver after transmit failed\n");
-	}
-
 out:
-	kfree(packet);
 	mutex_unlock(&ir->lock);
 
 	return rc ? rc : count;
@@ -411,8 +401,6 @@ static int iguanair_open(struct rc_dev *rdev)
 
 	mutex_lock(&ir->lock);
 
-	BUG_ON(ir->receiver_on);
-
 	rc = iguanair_receiver(ir, true);
 	if (rc == 0)
 		ir->receiver_on = true;
@@ -443,7 +431,7 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
 	struct usb_device *udev = interface_to_usbdev(intf);
 	struct iguanair *ir;
 	struct rc_dev *rc;
-	int ret, pipein;
+	int ret, pipein, pipeout;
 	struct usb_host_interface *idesc;
 
 	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
@@ -453,11 +441,14 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
 		goto out;
 	}
 
-	ir->buf_in = usb_alloc_coherent(udev, MAX_PACKET_SIZE, GFP_KERNEL,
+	ir->buf_in = usb_alloc_coherent(udev, MAX_IN_PACKET, GFP_KERNEL,
 								&ir->dma_in);
+	ir->packet = usb_alloc_coherent(udev, MAX_OUT_PACKET, GFP_KERNEL,
+								&ir->dma_out);
 	ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);
+	ir->urb_out = usb_alloc_urb(0, GFP_KERNEL);
 
-	if (!ir->buf_in || !ir->urb_in) {
+	if (!ir->buf_in || !ir->packet || !ir->urb_in || !ir->urb_out) {
 		ret = -ENOMEM;
 		goto out;
 	}
@@ -472,13 +463,18 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
 	ir->rc = rc;
 	ir->dev = &intf->dev;
 	ir->udev = udev;
-	ir->pipe_out = usb_sndintpipe(udev,
-				idesc->endpoint[1].desc.bEndpointAddress);
 	mutex_init(&ir->lock);
+
 	init_completion(&ir->completion);
+	pipeout = usb_sndintpipe(udev,
+				idesc->endpoint[1].desc.bEndpointAddress);
+	usb_fill_int_urb(ir->urb_out, udev, pipeout, ir->packet, MAX_OUT_PACKET,
+						iguanair_irq_out, ir, 1);
+	ir->urb_out->transfer_dma = ir->dma_out;
+	ir->urb_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
 	pipein = usb_rcvintpipe(udev, idesc->endpoint[0].desc.bEndpointAddress);
-	usb_fill_int_urb(ir->urb_in, udev, pipein, ir->buf_in, MAX_PACKET_SIZE,
+	usb_fill_int_urb(ir->urb_in, udev, pipein, ir->buf_in, MAX_IN_PACKET,
 							 iguanair_rx, ir, 1);
 	ir->urb_in->transfer_dma = ir->dma_in;
 	ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
@@ -528,11 +524,14 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
 	return 0;
 out2:
 	usb_kill_urb(ir->urb_in);
+	usb_kill_urb(ir->urb_out);
 out:
 	if (ir) {
 		usb_free_urb(ir->urb_in);
-		usb_free_coherent(udev, MAX_PACKET_SIZE, ir->buf_in,
-								ir->dma_in);
+		usb_free_urb(ir->urb_out);
+		usb_free_coherent(udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in);
+		usb_free_coherent(udev, MAX_OUT_PACKET, ir->packet,
+								ir->dma_out);
 	}
 	rc_free_device(rc);
 	kfree(ir);
@@ -546,8 +545,11 @@ static void __devexit iguanair_disconnect(struct usb_interface *intf)
 	rc_unregister_device(ir->rc);
 	usb_set_intfdata(intf, NULL);
 	usb_kill_urb(ir->urb_in);
+	usb_kill_urb(ir->urb_out);
 	usb_free_urb(ir->urb_in);
-	usb_free_coherent(ir->udev, MAX_PACKET_SIZE, ir->buf_in, ir->dma_in);
+	usb_free_urb(ir->urb_out);
+	usb_free_coherent(ir->udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in);
+	usb_free_coherent(ir->udev, MAX_OUT_PACKET, ir->packet, ir->dma_out);
 	kfree(ir);
 }
 
@@ -565,6 +567,7 @@ static int iguanair_suspend(struct usb_interface *intf, pm_message_t message)
 	}
 
 	usb_kill_urb(ir->urb_in);
+	usb_kill_urb(ir->urb_out);
 
 	mutex_unlock(&ir->lock);
 
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index 569124b03de..870c93052fd 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -203,13 +203,13 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
 	/* TX settings */
 	case LIRC_SET_TRANSMITTER_MASK:
 		if (!dev->s_tx_mask)
-			return -EINVAL;
+			return -ENOSYS;
 
 		return dev->s_tx_mask(dev, val);
 
 	case LIRC_SET_SEND_CARRIER:
 		if (!dev->s_tx_carrier)
-			return -EINVAL;
+			return -ENOSYS;
 
 		return dev->s_tx_carrier(dev, val);
 
diff --git a/drivers/media/rc/keymaps/rc-msi-digivox-ii.c b/drivers/media/rc/keymaps/rc-msi-digivox-ii.c
index c64e9e30045..2fa71d0d72d 100644
--- a/drivers/media/rc/keymaps/rc-msi-digivox-ii.c
+++ b/drivers/media/rc/keymaps/rc-msi-digivox-ii.c
@@ -22,24 +22,24 @@
 #include <linux/module.h>
 
 static struct rc_map_table msi_digivox_ii[] = {
-	{ 0x0002, KEY_2 },
-	{ 0x0003, KEY_UP },              /* up */
-	{ 0x0004, KEY_3 },
-	{ 0x0005, KEY_CHANNELDOWN },
-	{ 0x0008, KEY_5 },
-	{ 0x0009, KEY_0 },
-	{ 0x000b, KEY_8 },
-	{ 0x000d, KEY_DOWN },            /* down */
-	{ 0x0010, KEY_9 },
-	{ 0x0011, KEY_7 },
-	{ 0x0014, KEY_VOLUMEUP },
-	{ 0x0015, KEY_CHANNELUP },
-	{ 0x0016, KEY_OK },
-	{ 0x0017, KEY_POWER2 },
-	{ 0x001a, KEY_1 },
-	{ 0x001c, KEY_4 },
-	{ 0x001d, KEY_6 },
-	{ 0x001f, KEY_VOLUMEDOWN },
+	{ 0x0302, KEY_2 },
+	{ 0x0303, KEY_UP },              /* up */
+	{ 0x0304, KEY_3 },
+	{ 0x0305, KEY_CHANNELDOWN },
+	{ 0x0308, KEY_5 },
+	{ 0x0309, KEY_0 },
+	{ 0x030b, KEY_8 },
+	{ 0x030d, KEY_DOWN },            /* down */
+	{ 0x0310, KEY_9 },
+	{ 0x0311, KEY_7 },
+	{ 0x0314, KEY_VOLUMEUP },
+	{ 0x0315, KEY_CHANNELUP },
+	{ 0x0316, KEY_OK },
+	{ 0x0317, KEY_POWER2 },
+	{ 0x031a, KEY_1 },
+	{ 0x031c, KEY_4 },
+	{ 0x031d, KEY_6 },
+	{ 0x031f, KEY_VOLUMEDOWN },
 };
 
 static struct rc_map_list msi_digivox_ii_map = {
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 699eef39128..2ea913a44ae 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -517,6 +517,9 @@ static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier)
 	struct nvt_dev *nvt = dev->priv;
 	u16 val;
 
+	if (carrier == 0)
+		return -EINVAL;
+
 	nvt_cir_reg_write(nvt, 1, CIR_CP);
 	val = 3000000 / (carrier) - 1;
 	nvt_cir_reg_write(nvt, val & 0xff, CIR_CC);
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 49731b1a9c5..9f5a17bb5ef 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -890,6 +890,9 @@ static int redrat3_set_tx_carrier(struct rc_dev *rcdev, u32 carrier)
 	struct device *dev = rr3->dev;
 
 	rr3_dbg(dev, "Setting modulation frequency to %u", carrier);
+	if (carrier == 0)
+		return -EINVAL;
+
 	rr3->carrier = carrier;
 
 	return carrier;
diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
index 30ae1f24abc..7c9b5f33113 100644
--- a/drivers/media/rc/winbond-cir.c
+++ b/drivers/media/rc/winbond-cir.c
@@ -184,7 +184,7 @@ enum wbcir_txstate {
 };
 
 /* Misc */
-#define WBCIR_NAME	"Winbond CIR"
+#define WBCIR_NAME	"winbond-cir"
 #define WBCIR_ID_FAMILY          0xF1 /* Family ID for the WPCD376I	*/
 #define	WBCIR_ID_CHIP            0x04 /* Chip ID for the WPCD376I	*/
 #define INVALID_SCANCODE   0x7FFFFFFF /* Invalid with all protos	*/
diff --git a/drivers/media/tuners/mt2063.c b/drivers/media/tuners/mt2063.c
index 0ed9091ff48..2e1a02e360f 100644
--- a/drivers/media/tuners/mt2063.c
+++ b/drivers/media/tuners/mt2063.c
@@ -245,7 +245,7 @@ struct mt2063_state {
 /*
  * mt2063_write - Write data into the I2C bus
  */
-static u32 mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len)
+static int mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len)
 {
 	struct dvb_frontend *fe = state->frontend;
 	int ret;
@@ -277,9 +277,9 @@ static u32 mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len)
 /*
  * mt2063_write - Write register data into the I2C bus, caching the value
  */
-static u32 mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val)
+static int mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val)
 {
-	u32 status;
+	int status;
 
 	dprintk(2, "\n");
 
@@ -298,10 +298,10 @@ static u32 mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val)
 /*
  * mt2063_read - Read data from the I2C bus
  */
-static u32 mt2063_read(struct mt2063_state *state,
+static int mt2063_read(struct mt2063_state *state,
 			   u8 subAddress, u8 *pData, u32 cnt)
 {
-	u32 status = 0;	/* Status to be returned        */
+	int status = 0;	/* Status to be returned        */
 	struct dvb_frontend *fe = state->frontend;
 	u32 i = 0;
 
@@ -816,7 +816,7 @@ static u32 IsSpurInBand(struct MT2063_AvoidSpursData_t *pAS_Info,
  */
 static u32 MT2063_AvoidSpurs(struct MT2063_AvoidSpursData_t *pAS_Info)
 {
-	u32 status = 0;
+	int status = 0;
 	u32 fm, fp;		/*  restricted range on LO's        */
 	pAS_Info->bSpurAvoided = 0;
 	pAS_Info->nSpursFound = 0;
@@ -935,14 +935,14 @@ static u32 MT2063_AvoidSpurs(struct MT2063_AvoidSpursData_t *pAS_Info)
  *
  * This function returns 0, if no lock, 1 if locked and a value < 1 if error
  */
-static unsigned int mt2063_lockStatus(struct mt2063_state *state)
+static int mt2063_lockStatus(struct mt2063_state *state)
 {
 	const u32 nMaxWait = 100;	/*  wait a maximum of 100 msec   */
 	const u32 nPollRate = 2;	/*  poll status bits every 2 ms */
 	const u32 nMaxLoops = nMaxWait / nPollRate;
 	const u8 LO1LK = 0x80;
 	u8 LO2LK = 0x08;
-	u32 status;
+	int status;
 	u32 nDelays = 0;
 
 	dprintk(2, "\n");
@@ -1069,7 +1069,7 @@ static u32 mt2063_get_dnc_output_enable(struct mt2063_state *state,
 static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state,
 					enum MT2063_DNC_Output_Enable nValue)
 {
-	u32 status = 0;	/* Status to be returned        */
+	int status = 0;	/* Status to be returned        */
 	u8 val = 0;
 
 	dprintk(2, "\n");
@@ -1203,7 +1203,7 @@ static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state,
 static u32 MT2063_SetReceiverMode(struct mt2063_state *state,
 				  enum mt2063_delivery_sys Mode)
 {
-	u32 status = 0;	/* Status to be returned        */
+	int status = 0;	/* Status to be returned        */
 	u8 val;
 	u32 longval;
 
@@ -1345,7 +1345,7 @@ static u32 MT2063_SetReceiverMode(struct mt2063_state *state,
 static u32 MT2063_ClearPowerMaskBits(struct mt2063_state *state,
 				     enum MT2063_Mask_Bits Bits)
 {
-	u32 status = 0;
+	int status = 0;
 
 	dprintk(2, "\n");
 	Bits = (enum MT2063_Mask_Bits)(Bits & MT2063_ALL_SD);	/* Only valid bits for this tuner */
@@ -1374,7 +1374,7 @@ static u32 MT2063_ClearPowerMaskBits(struct mt2063_state *state,
  */
 static u32 MT2063_SoftwareShutdown(struct mt2063_state *state, u8 Shutdown)
 {
-	u32 status;
+	int status;
 
 	dprintk(2, "\n");
 	if (Shutdown == 1)
@@ -1540,7 +1540,7 @@ static u32 FindClearTuneFilter(struct mt2063_state *state, u32 f_in)
 static u32 MT2063_Tune(struct mt2063_state *state, u32 f_in)
 {				/* RF input center frequency   */
 
-	u32 status = 0;
+	int status = 0;
 	u32 LO1;		/*  1st LO register value           */
 	u32 Num1;		/*  Numerator for LO1 reg. value    */
 	u32 f_IF1;		/*  1st IF requested                */
@@ -1803,7 +1803,7 @@ static const u8 MT2063B3_defaults[] = {
 
 static int mt2063_init(struct dvb_frontend *fe)
 {
-	u32 status;
+	int status;
 	struct mt2063_state *state = fe->tuner_priv;
 	u8 all_resets = 0xF0;	/* reset/load bits */
 	const u8 *def = NULL;
@@ -2249,8 +2249,8 @@ struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
 	dprintk(2, "\n");
 
 	state = kzalloc(sizeof(struct mt2063_state), GFP_KERNEL);
-	if (state == NULL)
-		goto error;
+	if (!state)
+		return NULL;
 
 	state->config = config;
 	state->i2c = i2c;
@@ -2261,18 +2261,15 @@ struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
 
 	printk(KERN_INFO "%s: Attaching MT2063\n", __func__);
 	return fe;
-
-error:
-	kfree(state);
-	return NULL;
 }
 EXPORT_SYMBOL_GPL(mt2063_attach);
 
+#if 0
 /*
  * Ancillary routines visible outside mt2063
  * FIXME: Remove them in favor of using standard tuner callbacks
  */
-unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe)
+static int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe)
 {
 	struct mt2063_state *state = fe->tuner_priv;
 	int err = 0;
@@ -2285,9 +2282,8 @@ unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe)
 
 	return err;
 }
-EXPORT_SYMBOL_GPL(tuner_MT2063_SoftwareShutdown);
 
-unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
+static int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
 {
 	struct mt2063_state *state = fe->tuner_priv;
 	int err = 0;
@@ -2300,7 +2296,7 @@ unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
 
 	return err;
 }
-EXPORT_SYMBOL_GPL(tuner_MT2063_ClearPowerMaskBits);
+#endif
 
 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
 MODULE_DESCRIPTION("MT2063 Silicon tuner");
diff --git a/drivers/media/tuners/mt2063.h b/drivers/media/tuners/mt2063.h
index 3f5cfd93713..ab24170c157 100644
--- a/drivers/media/tuners/mt2063.h
+++ b/drivers/media/tuners/mt2063.h
@@ -23,10 +23,6 @@ static inline struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
 	return NULL;
 }
 
-/* FIXME: Should use the standard DVB attachment interfaces */
-unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe);
-unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe);
-
 #endif /* CONFIG_DVB_MT2063 */
 
 #endif /* __MT2063_H__ */
diff --git a/drivers/media/tuners/tda18271-common.c b/drivers/media/tuners/tda18271-common.c
index 221171eeb0c..18c77afe2e4 100644
--- a/drivers/media/tuners/tda18271-common.c
+++ b/drivers/media/tuners/tda18271-common.c
@@ -187,7 +187,8 @@ int tda18271_read_extended(struct dvb_frontend *fe)
 	return (ret == 2 ? 0 : ret);
 }
 
-int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
+static int __tda18271_write_regs(struct dvb_frontend *fe, int idx, int len,
+			bool lock_i2c)
 {
 	struct tda18271_priv *priv = fe->tuner_priv;
 	unsigned char *regs = priv->tda18271_regs;
@@ -198,7 +199,6 @@ int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
 
 	BUG_ON((len == 0) || (idx + len > sizeof(buf)));
 
-
 	switch (priv->small_i2c) {
 	case TDA18271_03_BYTE_CHUNK_INIT:
 		max = 3;
@@ -214,7 +214,19 @@ int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
 		max = 39;
 	}
 
-	tda18271_i2c_gate_ctrl(fe, 1);
+
+	/*
+	 * If lock_i2c is true, it will take the I2C bus for tda18271 private
+	 * usage during the entire write ops, as otherwise, bad things could
+	 * happen.
+	 * During device init, several write operations will happen. So,
+	 * tda18271_init_regs controls the I2C lock directly,
+	 * disabling lock_i2c here.
+	 */
+	if (lock_i2c) {
+		tda18271_i2c_gate_ctrl(fe, 1);
+		i2c_lock_adapter(priv->i2c_props.adap);
+	}
 	while (len) {
 		if (max > len)
 			max = len;
@@ -226,14 +238,17 @@ int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
 		msg.len = max + 1;
 
 		/* write registers */
-		ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
+		ret = __i2c_transfer(priv->i2c_props.adap, &msg, 1);
 		if (ret != 1)
 			break;
 
 		idx += max;
 		len -= max;
 	}
-	tda18271_i2c_gate_ctrl(fe, 0);
+	if (lock_i2c) {
+		i2c_unlock_adapter(priv->i2c_props.adap);
+		tda18271_i2c_gate_ctrl(fe, 0);
+	}
 
 	if (ret != 1)
 		tda_err("ERROR: idx = 0x%x, len = %d, "
@@ -242,10 +257,16 @@ int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
 	return (ret == 1 ? 0 : ret);
 }
 
+int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
+{
+	return __tda18271_write_regs(fe, idx, len, true);
+}
+
 /*---------------------------------------------------------------------*/
 
-int tda18271_charge_pump_source(struct dvb_frontend *fe,
-				enum tda18271_pll pll, int force)
+static int __tda18271_charge_pump_source(struct dvb_frontend *fe,
+					 enum tda18271_pll pll, int force,
+					 bool lock_i2c)
 {
 	struct tda18271_priv *priv = fe->tuner_priv;
 	unsigned char *regs = priv->tda18271_regs;
@@ -255,9 +276,16 @@ int tda18271_charge_pump_source(struct dvb_frontend *fe,
 	regs[r_cp] &= ~0x20;
 	regs[r_cp] |= ((force & 1) << 5);
 
-	return tda18271_write_regs(fe, r_cp, 1);
+	return __tda18271_write_regs(fe, r_cp, 1, lock_i2c);
+}
+
+int tda18271_charge_pump_source(struct dvb_frontend *fe,
+				enum tda18271_pll pll, int force)
+{
+	return __tda18271_charge_pump_source(fe, pll, force, true);
 }
 
+
 int tda18271_init_regs(struct dvb_frontend *fe)
 {
 	struct tda18271_priv *priv = fe->tuner_priv;
@@ -267,6 +295,13 @@ int tda18271_init_regs(struct dvb_frontend *fe)
 		i2c_adapter_id(priv->i2c_props.adap),
 		priv->i2c_props.addr);
 
+	/*
+	 * Don't let any other I2C transfer to happen at adapter during init,
+	 * as those could cause bad things
+	 */
+	tda18271_i2c_gate_ctrl(fe, 1);
+	i2c_lock_adapter(priv->i2c_props.adap);
+
 	/* initialize registers */
 	switch (priv->id) {
 	case TDA18271HDC1:
@@ -352,28 +387,28 @@ int tda18271_init_regs(struct dvb_frontend *fe)
 	regs[R_EB22] = 0x48;
 	regs[R_EB23] = 0xb0;
 
-	tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS);
+	__tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS, false);
 
 	/* setup agc1 gain */
 	regs[R_EB17] = 0x00;
-	tda18271_write_regs(fe, R_EB17, 1);
+	__tda18271_write_regs(fe, R_EB17, 1, false);
 	regs[R_EB17] = 0x03;
-	tda18271_write_regs(fe, R_EB17, 1);
+	__tda18271_write_regs(fe, R_EB17, 1, false);
 	regs[R_EB17] = 0x43;
-	tda18271_write_regs(fe, R_EB17, 1);
+	__tda18271_write_regs(fe, R_EB17, 1, false);
 	regs[R_EB17] = 0x4c;
-	tda18271_write_regs(fe, R_EB17, 1);
+	__tda18271_write_regs(fe, R_EB17, 1, false);
 
 	/* setup agc2 gain */
 	if ((priv->id) == TDA18271HDC1) {
 		regs[R_EB20] = 0xa0;
-		tda18271_write_regs(fe, R_EB20, 1);
+		__tda18271_write_regs(fe, R_EB20, 1, false);
 		regs[R_EB20] = 0xa7;
-		tda18271_write_regs(fe, R_EB20, 1);
+		__tda18271_write_regs(fe, R_EB20, 1, false);
 		regs[R_EB20] = 0xe7;
-		tda18271_write_regs(fe, R_EB20, 1);
+		__tda18271_write_regs(fe, R_EB20, 1, false);
 		regs[R_EB20] = 0xec;
-		tda18271_write_regs(fe, R_EB20, 1);
+		__tda18271_write_regs(fe, R_EB20, 1, false);
 	}
 
 	/* image rejection calibration */
@@ -391,21 +426,21 @@ int tda18271_init_regs(struct dvb_frontend *fe)
 	regs[R_MD2] = 0x08;
 	regs[R_MD3] = 0x00;
 
-	tda18271_write_regs(fe, R_EP3, 11);
+	__tda18271_write_regs(fe, R_EP3, 11, false);
 
 	if ((priv->id) == TDA18271HDC2) {
 		/* main pll cp source on */
-		tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
+		__tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1, false);
 		msleep(1);
 
 		/* main pll cp source off */
-		tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
+		__tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0, false);
 	}
 
 	msleep(5); /* pll locking */
 
 	/* launch detector */
-	tda18271_write_regs(fe, R_EP1, 1);
+	__tda18271_write_regs(fe, R_EP1, 1, false);
 	msleep(5); /* wanted low measurement */
 
 	regs[R_EP5] = 0x85;
@@ -413,11 +448,11 @@ int tda18271_init_regs(struct dvb_frontend *fe)
 	regs[R_CD1] = 0x66;
 	regs[R_CD2] = 0x70;
 
-	tda18271_write_regs(fe, R_EP3, 7);
+	__tda18271_write_regs(fe, R_EP3, 7, false);
 	msleep(5); /* pll locking */
 
 	/* launch optimization algorithm */
-	tda18271_write_regs(fe, R_EP2, 1);
+	__tda18271_write_regs(fe, R_EP2, 1, false);
 	msleep(30); /* image low optimization completion */
 
 	/* mid-band */
@@ -428,11 +463,11 @@ int tda18271_init_regs(struct dvb_frontend *fe)
 	regs[R_MD1] = 0x73;
 	regs[R_MD2] = 0x1a;
 
-	tda18271_write_regs(fe, R_EP3, 11);
+	__tda18271_write_regs(fe, R_EP3, 11, false);
 	msleep(5); /* pll locking */
 
 	/* launch detector */
-	tda18271_write_regs(fe, R_EP1, 1);
+	__tda18271_write_regs(fe, R_EP1, 1, false);
 	msleep(5); /* wanted mid measurement */
 
 	regs[R_EP5] = 0x86;
@@ -440,11 +475,11 @@ int tda18271_init_regs(struct dvb_frontend *fe)
 	regs[R_CD1] = 0x66;
 	regs[R_CD2] = 0xa0;
 
-	tda18271_write_regs(fe, R_EP3, 7);
+	__tda18271_write_regs(fe, R_EP3, 7, false);
 	msleep(5); /* pll locking */
 
 	/* launch optimization algorithm */
-	tda18271_write_regs(fe, R_EP2, 1);
+	__tda18271_write_regs(fe, R_EP2, 1, false);
 	msleep(30); /* image mid optimization completion */
 
 	/* high-band */
@@ -456,30 +491,33 @@ int tda18271_init_regs(struct dvb_frontend *fe)
 	regs[R_MD1] = 0x71;
 	regs[R_MD2] = 0xcd;
 
-	tda18271_write_regs(fe, R_EP3, 11);
+	__tda18271_write_regs(fe, R_EP3, 11, false);
 	msleep(5); /* pll locking */
 
 	/* launch detector */
-	tda18271_write_regs(fe, R_EP1, 1);
+	__tda18271_write_regs(fe, R_EP1, 1, false);
 	msleep(5); /* wanted high measurement */
 
 	regs[R_EP5] = 0x87;
 	regs[R_CD1] = 0x65;
 	regs[R_CD2] = 0x50;
 
-	tda18271_write_regs(fe, R_EP3, 7);
+	__tda18271_write_regs(fe, R_EP3, 7, false);
 	msleep(5); /* pll locking */
 
 	/* launch optimization algorithm */
-	tda18271_write_regs(fe, R_EP2, 1);
+	__tda18271_write_regs(fe, R_EP2, 1, false);
 	msleep(30); /* image high optimization completion */
 
 	/* return to normal mode */
 	regs[R_EP4] = 0x64;
-	tda18271_write_regs(fe, R_EP4, 1);
+	__tda18271_write_regs(fe, R_EP4, 1, false);
 
 	/* synchronize */
-	tda18271_write_regs(fe, R_EP1, 1);
+	__tda18271_write_regs(fe, R_EP1, 1, false);
+
+	i2c_unlock_adapter(priv->i2c_props.adap);
+	tda18271_i2c_gate_ctrl(fe, 0);
 
 	return 0;
 }
diff --git a/drivers/media/usb/dvb-usb-v2/af9015.c b/drivers/media/usb/dvb-usb-v2/af9015.c
index 824f1911ee2..3d7526e28d4 100644
--- a/drivers/media/usb/dvb-usb-v2/af9015.c
+++ b/drivers/media/usb/dvb-usb-v2/af9015.c
@@ -500,7 +500,7 @@ static int af9015_read_config(struct dvb_usb_device *d)
 		case 3:
 			state->af9013_config[i].clock = 25000000;
 			break;
-		};
+		}
 		dev_dbg(&d->udev->dev, "%s: [%d] xtal=%d set clock=%d\n",
 				__func__, i, val,
 				state->af9013_config[i].clock);
@@ -568,7 +568,7 @@ static int af9015_read_config(struct dvb_usb_device *d)
 					"supported, please report!\n",
 					KBUILD_MODNAME, val);
 			return -ENODEV;
-		};
+		}
 
 		state->af9013_config[i].tuner = val;
 		dev_dbg(&d->udev->dev, "%s: [%d] tuner id=%d\n",
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index aabd3fc03ea..ea27eaff4e3 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -520,7 +520,7 @@ static int af9035_read_config(struct dvb_usb_device *d)
 			dev_warn(&d->udev->dev, "%s: tuner id=%02x not " \
 					"supported, please report!",
 					KBUILD_MODNAME, tmp);
-		};
+		}
 
 		/* tuner IF frequency */
 		ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_L + eeprom_shift, &tmp);
diff --git a/drivers/media/usb/dvb-usb/a800.c b/drivers/media/usb/dvb-usb/a800.c
index 8d7fef84afd..83684ed023c 100644
--- a/drivers/media/usb/dvb-usb/a800.c
+++ b/drivers/media/usb/dvb-usb/a800.c
@@ -93,7 +93,7 @@ static int a800_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 	/* call the universal NEC remote processor, to find out the key's state and event */
 	dvb_usb_nec_rc_key_to_event(d,key,event,state);
 	if (key[0] != 0)
-		deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
+		deb_rc("key: %*ph\n", 5, key);
 	ret = 0;
 out:
 	kfree(key);
diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c
index 0a98548ecd1..9fd1527494e 100644
--- a/drivers/media/usb/dvb-usb/cinergyT2-core.c
+++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c
@@ -172,8 +172,7 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 		if (*event != d->last_event)
 			st->rc_counter = 0;
 
-		deb_rc("key: %x %x %x %x %x\n",
-		       key[0], key[1], key[2], key[3], key[4]);
+		deb_rc("key: %*ph\n", 5, key);
 	}
 	return 0;
 }
diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c
index a76bbb29ca3..af0d4321845 100644
--- a/drivers/media/usb/dvb-usb/dibusb-common.c
+++ b/drivers/media/usb/dvb-usb/dibusb-common.c
@@ -473,7 +473,7 @@ int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 	dvb_usb_generic_rw(d,&cmd,1,key,5,0);
 	dvb_usb_nec_rc_key_to_event(d,key,event,state);
 	if (key[0] != 0)
-		deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
+		deb_info("key: %*ph\n", 5, key);
 	return 0;
 }
 EXPORT_SYMBOL(dibusb_rc_query);
diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c
index ff34419a4c8..772bde3c502 100644
--- a/drivers/media/usb/dvb-usb/digitv.c
+++ b/drivers/media/usb/dvb-usb/digitv.c
@@ -253,7 +253,7 @@ static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 	}
 
 	if (key[0] != 0)
-		deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
+		deb_rc("key: %*ph\n", 5, key);
 	return 0;
 }
 
diff --git a/drivers/media/usb/dvb-usb/dtt200u.c b/drivers/media/usb/dvb-usb/dtt200u.c
index 66f205c112b..c357fb3b0a8 100644
--- a/drivers/media/usb/dvb-usb/dtt200u.c
+++ b/drivers/media/usb/dvb-usb/dtt200u.c
@@ -84,7 +84,7 @@ static int dtt200u_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 	dvb_usb_generic_rw(d,&cmd,1,key,5,0);
 	dvb_usb_nec_rc_key_to_event(d,key,event,state);
 	if (key[0] != 0)
-		deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
+		deb_info("key: %*ph\n", 5, key);
 	return 0;
 }
 
diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c
index 288af29a8bb..661bb75be95 100644
--- a/drivers/media/usb/dvb-usb/m920x.c
+++ b/drivers/media/usb/dvb-usb/m920x.c
@@ -358,7 +358,7 @@ static int m920x_firmware_download(struct usb_device *udev, const struct firmwar
 
 	if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
 		goto done;
-	deb("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
+	deb("%*ph\n", 4, read);
 
 	if ((ret = m920x_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
 		goto done;
diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c
index acefaa89cc5..7a8c8c18590 100644
--- a/drivers/media/usb/dvb-usb/technisat-usb2.c
+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c
@@ -677,6 +677,7 @@ static struct usb_device_id technisat_usb2_id_table[] = {
 	{ USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) },
 	{ 0 }		/* Terminating entry */
 };
+MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table);
 
 /* device description */
 static struct dvb_usb_device_properties technisat_usb2_devices = {
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index f7297ae76b4..16a84f9f46d 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -2203,7 +2203,7 @@ EXPORT_SYMBOL_GPL(em28xx_tuner_callback);
 
 static inline void em28xx_set_model(struct em28xx *dev)
 {
-	memcpy(&dev->board, &em28xx_boards[dev->model], sizeof(dev->board));
+	dev->board = em28xx_boards[dev->model];
 
 	/* Those are the default values for the majority of boards
 	   Use those values if not specified otherwise at boards entry
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 913e5227897..13ae821949e 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -574,18 +574,19 @@ static void pctv_520e_init(struct em28xx *dev)
 		i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
 };
 
-static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe, int val)
+static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
 {
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 	struct em28xx *dev = fe->dvb->priv;
 #ifdef CONFIG_GPIOLIB
 	struct em28xx_dvb *dvb = dev->dvb;
 	int ret;
 	unsigned long flags;
 
-	if (val)
-		flags = GPIOF_OUT_INIT_LOW;
+	if (c->lna == 1)
+		flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
 	else
-		flags = GPIOF_OUT_INIT_HIGH;
+		flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
 
 	ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
 	if (ret)
@@ -595,8 +596,8 @@ static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe, int val)
 
 	return ret;
 #else
-	dev_warn(&dev->udev->dev, "%s: LNA control is disabled\n",
-			KBUILD_MODNAME);
+	dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
+			KBUILD_MODNAME, c->lna);
 	return 0;
 #endif
 }
diff --git a/drivers/media/usb/stk1160/stk1160-core.c b/drivers/media/usb/stk1160/stk1160-core.c
index b6274084606..34a26e0cfe7 100644
--- a/drivers/media/usb/stk1160/stk1160-core.c
+++ b/drivers/media/usb/stk1160/stk1160-core.c
@@ -100,12 +100,21 @@ int stk1160_write_reg(struct stk1160 *dev, u16 reg, u16 value)
 
 void stk1160_select_input(struct stk1160 *dev)
 {
+	int route;
 	static const u8 gctrl[] = {
-		0x98, 0x90, 0x88, 0x80
+		0x98, 0x90, 0x88, 0x80, 0x98
 	};
 
-	if (dev->ctl_input < ARRAY_SIZE(gctrl))
+	if (dev->ctl_input == STK1160_SVIDEO_INPUT)
+		route = SAA7115_SVIDEO3;
+	else
+		route = SAA7115_COMPOSITE0;
+
+	if (dev->ctl_input < ARRAY_SIZE(gctrl)) {
+		v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
+				route, 0, 0);
 		stk1160_write_reg(dev, STK1160_GCTRL, gctrl[dev->ctl_input]);
+	}
 }
 
 /* TODO: We should break this into pieces */
@@ -351,8 +360,6 @@ static int stk1160_probe(struct usb_interface *interface,
 
 	/* i2c reset saa711x */
 	v4l2_device_call_all(&dev->v4l2_dev, 0, core, reset, 0);
-	v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
-				0, 0, 0);
 	v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
 
 	/* reset stk1160 to default values */
diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index fe6e857969c..6694f9e2ca5 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -419,7 +419,12 @@ static int vidioc_enum_input(struct file *file, void *priv,
 	if (i->index > STK1160_MAX_INPUT)
 		return -EINVAL;
 
-	sprintf(i->name, "Composite%d", i->index);
+	/* S-Video special handling */
+	if (i->index == STK1160_SVIDEO_INPUT)
+		sprintf(i->name, "S-Video");
+	else
+		sprintf(i->name, "Composite%d", i->index);
+
 	i->type = V4L2_INPUT_TYPE_CAMERA;
 	i->std = dev->vdev.tvnorms;
 	return 0;
diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h
index 3feba0033f9..68c8707d36a 100644
--- a/drivers/media/usb/stk1160/stk1160.h
+++ b/drivers/media/usb/stk1160/stk1160.h
@@ -46,7 +46,8 @@
 
 #define STK1160_MIN_PKT_SIZE 3072
 
-#define STK1160_MAX_INPUT 3
+#define STK1160_MAX_INPUT 4
+#define STK1160_SVIDEO_INPUT 4
 
 #define STK1160_I2C_TIMEOUT 100
 
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index 5577381b5bf..18a91fae6bc 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -122,21 +122,27 @@ static struct vb2_ops uvc_queue_qops = {
 	.buf_finish = uvc_buffer_finish,
 };
 
-void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
+int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
 		    int drop_corrupted)
 {
+	int ret;
+
 	queue->queue.type = type;
 	queue->queue.io_modes = VB2_MMAP | VB2_USERPTR;
 	queue->queue.drv_priv = queue;
 	queue->queue.buf_struct_size = sizeof(struct uvc_buffer);
 	queue->queue.ops = &uvc_queue_qops;
 	queue->queue.mem_ops = &vb2_vmalloc_memops;
-	vb2_queue_init(&queue->queue);
+	ret = vb2_queue_init(&queue->queue);
+	if (ret)
+		return ret;
 
 	mutex_init(&queue->mutex);
 	spin_lock_init(&queue->irqlock);
 	INIT_LIST_HEAD(&queue->irqqueue);
 	queue->flags = drop_corrupted ? UVC_QUEUE_DROP_CORRUPTED : 0;
+
+	return 0;
 }
 
 /* -----------------------------------------------------------------------------
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 1c15b4227bd..57c3076a462 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1755,7 +1755,9 @@ int uvc_video_init(struct uvc_streaming *stream)
 	atomic_set(&stream->active, 0);
 
 	/* Initialize the video buffers queue. */
-	uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param);
+	ret = uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param);
+	if (ret)
+		return ret;
 
 	/* Alternate setting 0 should be the default, yet the XBox Live Vision
 	 * Cam (and possibly other devices) crash or otherwise misbehave if
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 3764040475b..af216ec45e3 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -600,7 +600,7 @@ extern struct uvc_driver uvc_driver;
 extern struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id);
 
 /* Video buffers queue management. */
-extern void uvc_queue_init(struct uvc_video_queue *queue,
+extern int uvc_queue_init(struct uvc_video_queue *queue,
 		enum v4l2_buf_type type, int drop_corrupted);
 extern int uvc_alloc_buffers(struct uvc_video_queue *queue,
 		struct v4l2_requestbuffers *rb);
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 631cdc0e0bd..f6ee201d934 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -384,6 +384,25 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
 		"Extended SAR",
 		NULL,
 	};
+	static const char * const h264_fp_arrangement_type[] = {
+		"Checkerboard",
+		"Column",
+		"Row",
+		"Side by Side",
+		"Top Bottom",
+		"Temporal",
+		NULL,
+	};
+	static const char * const h264_fmo_map_type[] = {
+		"Interleaved Slices",
+		"Scattered Slices",
+		"Foreground with Leftover",
+		"Box Out",
+		"Raster Scan",
+		"Wipe Scan",
+		"Explicit",
+		NULL,
+	};
 	static const char * const mpeg_mpeg4_level[] = {
 		"0",
 		"0b",
@@ -508,6 +527,10 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
 		return h264_profile;
 	case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
 		return vui_sar_idc;
+	case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE:
+		return h264_fp_arrangement_type;
+	case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
+		return h264_fmo_map_type;
 	case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
 		return mpeg_mpeg4_level;
 	case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
@@ -643,6 +666,22 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH:	return "Horizontal Size of SAR";
 	case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:		return "Aspect Ratio VUI Enable";
 	case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:		return "VUI Aspect Ratio IDC";
+	case V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING:	return "H264 Enable Frame Packing SEI";
+	case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0:	return "H264 Set Curr. Frame as Frame0";
+	case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE:	return "H264 FP Arrangement Type";
+	case V4L2_CID_MPEG_VIDEO_H264_FMO:			return "H264 Flexible MB Ordering";
+	case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:		return "H264 Map Type for FMO";
+	case V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP:		return "H264 FMO Number of Slice Groups";
+	case V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION:	return "H264 FMO Direction of Change";
+	case V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE:		return "H264 FMO Size of 1st Slice Grp";
+	case V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH:		return "H264 FMO No. of Consecutive MBs";
+	case V4L2_CID_MPEG_VIDEO_H264_ASO:			return "H264 Arbitrary Slice Ordering";
+	case V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER:		return "H264 ASO Slice Order";
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING:	return "Enable H264 Hierarchical Coding";
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:	return "H264 Hierarchical Coding Type";
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER:return "H264 Number of HC Layers";
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP:
+								return "H264 Set QP Value for HC Layers";
 	case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:		return "MPEG4 I-Frame QP Value";
 	case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:		return "MPEG4 P-Frame QP Value";
 	case V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP:		return "MPEG4 B-Frame QP Value";
@@ -657,6 +696,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_MPEG_VIDEO_VBV_SIZE:			return "VBV Buffer Size";
 	case V4L2_CID_MPEG_VIDEO_DEC_PTS:			return "Video Decoder PTS";
 	case V4L2_CID_MPEG_VIDEO_DEC_FRAME:			return "Video Decoder Frame Count";
+	case V4L2_CID_MPEG_VIDEO_VBV_DELAY:			return "Initial Delay for VBV Control";
 
 	/* CAMERA controls */
 	/* Keep the order of the 'case's the same as in videodev2.h! */
@@ -749,6 +789,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_IMAGE_PROC_CLASS:		return "Image Processing Controls";
 	case V4L2_CID_LINK_FREQ:		return "Link Frequency";
 	case V4L2_CID_PIXEL_RATE:		return "Pixel Rate";
+	case V4L2_CID_TEST_PATTERN:		return "Test Pattern";
 
 	/* DV controls */
 	case V4L2_CID_DV_CLASS:			return "Digital Video Controls";
@@ -853,6 +894,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
 	case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
 	case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
 	case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
+	case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE:
+	case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
 	case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
 	case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
 	case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
@@ -862,6 +905,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
 	case V4L2_CID_DV_TX_MODE:
 	case V4L2_CID_DV_TX_RGB_RANGE:
 	case V4L2_CID_DV_RX_RGB_RANGE:
+	case V4L2_CID_TEST_PATTERN:
 		*type = V4L2_CTRL_TYPE_MENU;
 		break;
 	case V4L2_CID_LINK_FREQ:
@@ -1648,6 +1692,36 @@ struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl,
 }
 EXPORT_SYMBOL(v4l2_ctrl_new_std_menu);
 
+/* Helper function for standard menu controls with driver defined menu */
+struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items(struct v4l2_ctrl_handler *hdl,
+			const struct v4l2_ctrl_ops *ops, u32 id, s32 max,
+			s32 mask, s32 def, const char * const *qmenu)
+{
+	enum v4l2_ctrl_type type;
+	const char *name;
+	u32 flags;
+	s32 step;
+	s32 min;
+
+	/* v4l2_ctrl_new_std_menu_items() should only be called for
+	 * standard controls without a standard menu.
+	 */
+	if (v4l2_ctrl_get_menu(id)) {
+		handler_set_err(hdl, -EINVAL);
+		return NULL;
+	}
+
+	v4l2_ctrl_fill(id, &name, &type, &min, &max, &step, &def, &flags);
+	if (type != V4L2_CTRL_TYPE_MENU || qmenu == NULL) {
+		handler_set_err(hdl, -EINVAL);
+		return NULL;
+	}
+	return v4l2_ctrl_new(hdl, ops, id, name, type, 0, max, mask, def,
+			     flags, qmenu, NULL, NULL);
+
+}
+EXPORT_SYMBOL(v4l2_ctrl_new_std_menu_items);
+
 /* Helper function for standard integer menu controls */
 struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl,
 			const struct v4l2_ctrl_ops *ops,
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 9d3e46c446a..8f388ff31eb 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -157,8 +157,7 @@ static const char *v4l2_memory_names[] = {
 	[V4L2_MEMORY_OVERLAY] = "overlay",
 };
 
-#define prt_names(a, arr) ((((a) >= 0) && ((a) < ARRAY_SIZE(arr))) ? \
-			   arr[a] : "unknown")
+#define prt_names(a, arr) (((unsigned)(a)) < ARRAY_SIZE(arr) ? arr[a] : "unknown")
 
 /* ------------------------------------------------------------------ */
 /* debug help functions                                               */
@@ -2188,6 +2187,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
 	int ret = 0;
 
 	switch (cmd) {
+	case VIDIOC_PREPARE_BUF:
 	case VIDIOC_QUERYBUF:
 	case VIDIOC_QBUF:
 	case VIDIOC_DQBUF: {
@@ -2211,6 +2211,10 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
 		struct v4l2_subdev_edid *edid = parg;
 
 		if (edid->blocks) {
+			if (edid->blocks > 256) {
+				ret = -EINVAL;
+				break;
+			}
 			*user_ptr = (void __user *)edid->edid;
 			*kernel_ptr = (void *)&edid->edid;
 			*array_size = edid->blocks * 128;
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index e6a26b433e8..432df119af2 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -276,6 +276,9 @@ static void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
  */
 static int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer *b)
 {
+	if (!V4L2_TYPE_IS_MULTIPLANAR(b->type))
+		return 0;
+
 	/* Is memory for copying plane information present? */
 	if (NULL == b->m.planes) {
 		dprintk(1, "Multi-planar buffer passed but "
@@ -331,10 +334,9 @@ static bool __buffers_in_use(struct vb2_queue *q)
  * __fill_v4l2_buffer() - fill in a struct v4l2_buffer with information to be
  * returned to userspace
  */
-static int __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
+static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
 {
 	struct vb2_queue *q = vb->vb2_queue;
-	int ret;
 
 	/* Copy back data such as timestamp, flags, etc. */
 	memcpy(b, &vb->v4l2_buf, offsetof(struct v4l2_buffer, m));
@@ -342,14 +344,11 @@ static int __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
 	b->reserved = vb->v4l2_buf.reserved;
 
 	if (V4L2_TYPE_IS_MULTIPLANAR(q->type)) {
-		ret = __verify_planes_array(vb, b);
-		if (ret)
-			return ret;
-
 		/*
 		 * Fill in plane-related data if userspace provided an array
-		 * for it. The memory and size is verified above.
+		 * for it. The caller has already verified memory and size.
 		 */
+		b->length = vb->num_planes;
 		memcpy(b->m.planes, vb->v4l2_planes,
 			b->length * sizeof(struct v4l2_plane));
 	} else {
@@ -391,8 +390,6 @@ static int __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
 
 	if (__buffer_in_use(q, vb))
 		b->flags |= V4L2_BUF_FLAG_MAPPED;
-
-	return 0;
 }
 
 /**
@@ -411,6 +408,7 @@ static int __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
 int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b)
 {
 	struct vb2_buffer *vb;
+	int ret;
 
 	if (b->type != q->type) {
 		dprintk(1, "querybuf: wrong buffer type\n");
@@ -422,8 +420,10 @@ int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b)
 		return -EINVAL;
 	}
 	vb = q->bufs[b->index];
-
-	return __fill_v4l2_buffer(vb, b);
+	ret = __verify_planes_array(vb, b);
+	if (!ret)
+		__fill_v4l2_buffer(vb, b);
+	return ret;
 }
 EXPORT_SYMBOL(vb2_querybuf);
 
@@ -813,24 +813,16 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state)
 EXPORT_SYMBOL_GPL(vb2_buffer_done);
 
 /**
- * __fill_vb2_buffer() - fill a vb2_buffer with information provided in
- * a v4l2_buffer by the userspace
+ * __fill_vb2_buffer() - fill a vb2_buffer with information provided in a
+ * v4l2_buffer by the userspace. The caller has already verified that struct
+ * v4l2_buffer has a valid number of planes.
  */
-static int __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b,
+static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b,
 				struct v4l2_plane *v4l2_planes)
 {
 	unsigned int plane;
-	int ret;
 
 	if (V4L2_TYPE_IS_MULTIPLANAR(b->type)) {
-		/*
-		 * Verify that the userspace gave us a valid array for
-		 * plane information.
-		 */
-		ret = __verify_planes_array(vb, b);
-		if (ret)
-			return ret;
-
 		/* Fill in driver-provided information for OUTPUT types */
 		if (V4L2_TYPE_IS_OUTPUT(b->type)) {
 			/*
@@ -872,8 +864,6 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b,
 	vb->v4l2_buf.field = b->field;
 	vb->v4l2_buf.timestamp = b->timestamp;
 	vb->v4l2_buf.flags = b->flags & ~V4L2_BUFFER_STATE_FLAGS;
-
-	return 0;
 }
 
 /**
@@ -888,10 +878,8 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const struct v4l2_buffer *b)
 	int ret;
 	int write = !V4L2_TYPE_IS_OUTPUT(q->type);
 
-	/* Verify and copy relevant information provided by the userspace */
-	ret = __fill_vb2_buffer(vb, b, planes);
-	if (ret)
-		return ret;
+	/* Copy relevant information provided by the userspace */
+	__fill_vb2_buffer(vb, b, planes);
 
 	for (plane = 0; plane < vb->num_planes; ++plane) {
 		/* Skip the plane if already verified */
@@ -966,7 +954,8 @@ err:
  */
 static int __qbuf_mmap(struct vb2_buffer *vb, const struct v4l2_buffer *b)
 {
-	return __fill_vb2_buffer(vb, b, vb->v4l2_planes);
+	__fill_vb2_buffer(vb, b, vb->v4l2_planes);
+	return 0;
 }
 
 /**
@@ -1059,7 +1048,9 @@ int vb2_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b)
 		dprintk(1, "%s(): invalid buffer state %d\n", __func__, vb->state);
 		return -EINVAL;
 	}
-
+	ret = __verify_planes_array(vb, b);
+	if (ret < 0)
+		return ret;
 	ret = __buf_prepare(vb, b);
 	if (ret < 0)
 		return ret;
@@ -1147,6 +1138,9 @@ int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)
 		ret = -EINVAL;
 		goto unlock;
 	}
+	ret = __verify_planes_array(vb, b);
+	if (ret)
+		goto unlock;
 
 	switch (vb->state) {
 	case VB2_BUF_STATE_DEQUEUED:
@@ -1243,8 +1237,10 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
 		 * the locks or return an error if one occurred.
 		 */
 		call_qop(q, wait_finish, q);
-		if (ret)
+		if (ret) {
+			dprintk(1, "Sleep was interrupted\n");
 			return ret;
+		}
 	}
 	return 0;
 }
@@ -1255,7 +1251,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
  * Will sleep if required for nonblocking == false.
  */
 static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
-				int nonblocking)
+				struct v4l2_buffer *b, int nonblocking)
 {
 	unsigned long flags;
 	int ret;
@@ -1273,10 +1269,16 @@ static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
 	 */
 	spin_lock_irqsave(&q->done_lock, flags);
 	*vb = list_first_entry(&q->done_list, struct vb2_buffer, done_entry);
-	list_del(&(*vb)->done_entry);
+	/*
+	 * Only remove the buffer from done_list if v4l2_buffer can handle all
+	 * the planes.
+	 */
+	ret = __verify_planes_array(*vb, b);
+	if (!ret)
+		list_del(&(*vb)->done_entry);
 	spin_unlock_irqrestore(&q->done_lock, flags);
 
-	return 0;
+	return ret;
 }
 
 /**
@@ -1335,12 +1337,9 @@ int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking)
 		dprintk(1, "dqbuf: invalid buffer type\n");
 		return -EINVAL;
 	}
-
-	ret = __vb2_get_done_vb(q, &vb, nonblocking);
-	if (ret < 0) {
-		dprintk(1, "dqbuf: error getting next done buffer\n");
+	ret = __vb2_get_done_vb(q, &vb, b, nonblocking);
+	if (ret < 0)
 		return ret;
-	}
 
 	ret = call_qop(q, buf_finish, vb);
 	if (ret) {
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 99c73352c43..b151b7c1bd5 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -60,16 +60,6 @@ config ATMEL_PWM
 	  purposes including software controlled power-efficient backlights
 	  on LCD displays, motor control, and waveform generation.
 
-config AB8500_PWM
-	bool "AB8500 PWM support"
-	depends on AB8500_CORE && ARCH_U8500
-	select HAVE_PWM
-	depends on !PWM
-	help
-	  This driver exports functions to enable/disble/config/free Pulse
-	  Width Modulation in the Analog Baseband Chip AB8500.
-	  It is used by led and backlight driver to control the intensity.
-
 config ATMEL_TCLIB
 	bool "Atmel AT32/AT91 Timer/Counter Library"
 	depends on (AVR32 || ARCH_AT91)
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index b88df7a350b..2129377c0de 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -44,7 +44,6 @@ obj-$(CONFIG_VMWARE_BALLOON)	+= vmw_balloon.o
 obj-$(CONFIG_ARM_CHARLCD)	+= arm-charlcd.o
 obj-$(CONFIG_PCH_PHUB)		+= pch_phub.o
 obj-y				+= ti-st/
-obj-$(CONFIG_AB8500_PWM)	+= ab8500-pwm.o
 obj-y				+= lis3lv02d/
 obj-y				+= carma/
 obj-$(CONFIG_USB_SWITCH_FSA9480) += fsa9480.o
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 8ac5246e2ab..06c42cfb7c3 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -26,6 +26,7 @@
 #include <linux/suspend.h>
 #include <linux/fault-inject.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 
 #include <linux/mmc/card.h>
 #include <linux/mmc/host.h>
@@ -41,6 +42,12 @@
 #include "sd_ops.h"
 #include "sdio_ops.h"
 
+/*
+ * Background operations can take a long time, depending on the housekeeping
+ * operations the card has to perform.
+ */
+#define MMC_BKOPS_MAX_TIMEOUT	(4 * 60 * 1000) /* max time to wait in ms */
+
 static struct workqueue_struct *workqueue;
 static const unsigned freqs[] = { 400000, 300000, 200000, 100000 };
 
@@ -245,6 +252,70 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
 	host->ops->request(host, mrq);
 }
 
+/**
+ *	mmc_start_bkops - start BKOPS for supported cards
+ *	@card: MMC card to start BKOPS
+ *	@form_exception: A flag to indicate if this function was
+ *			 called due to an exception raised by the card
+ *
+ *	Start background operations whenever requested.
+ *	When the urgent BKOPS bit is set in a R1 command response
+ *	then background operations should be started immediately.
+*/
+void mmc_start_bkops(struct mmc_card *card, bool from_exception)
+{
+	int err;
+	int timeout;
+	bool use_busy_signal;
+
+	BUG_ON(!card);
+
+	if (!card->ext_csd.bkops_en || mmc_card_doing_bkops(card))
+		return;
+
+	err = mmc_read_bkops_status(card);
+	if (err) {
+		pr_err("%s: Failed to read bkops status: %d\n",
+		       mmc_hostname(card->host), err);
+		return;
+	}
+
+	if (!card->ext_csd.raw_bkops_status)
+		return;
+
+	if (card->ext_csd.raw_bkops_status < EXT_CSD_BKOPS_LEVEL_2 &&
+	    from_exception)
+		return;
+
+	mmc_claim_host(card->host);
+	if (card->ext_csd.raw_bkops_status >= EXT_CSD_BKOPS_LEVEL_2) {
+		timeout = MMC_BKOPS_MAX_TIMEOUT;
+		use_busy_signal = true;
+	} else {
+		timeout = 0;
+		use_busy_signal = false;
+	}
+
+	err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+			EXT_CSD_BKOPS_START, 1, timeout, use_busy_signal);
+	if (err) {
+		pr_warn("%s: Error %d starting bkops\n",
+			mmc_hostname(card->host), err);
+		goto out;
+	}
+
+	/*
+	 * For urgent bkops status (LEVEL_2 and more)
+	 * bkops executed synchronously, otherwise
+	 * the operation is in progress
+	 */
+	if (!use_busy_signal)
+		mmc_card_set_doing_bkops(card);
+out:
+	mmc_release_host(card->host);
+}
+EXPORT_SYMBOL(mmc_start_bkops);
+
 static void mmc_wait_done(struct mmc_request *mrq)
 {
 	complete(&mrq->completion);
@@ -354,6 +425,14 @@ struct mmc_async_req *mmc_start_req(struct mmc_host *host,
 	if (host->areq) {
 		mmc_wait_for_req_done(host, host->areq->mrq);
 		err = host->areq->err_check(host->card, host->areq);
+		/*
+		 * Check BKOPS urgency for each R1 response
+		 */
+		if (host->card && mmc_card_mmc(host->card) &&
+		    ((mmc_resp_type(host->areq->mrq->cmd) == MMC_RSP_R1) ||
+		     (mmc_resp_type(host->areq->mrq->cmd) == MMC_RSP_R1B)) &&
+		    (host->areq->mrq->cmd->resp[0] & R1_EXCEPTION_EVENT))
+			mmc_start_bkops(host->card, true);
 	}
 
 	if (!err && areq)
@@ -398,7 +477,7 @@ EXPORT_SYMBOL(mmc_wait_for_req);
  *	@card: the MMC card associated with the HPI transfer
  *
  *	Issued High Priority Interrupt, and check for card status
- *	util out-of prg-state.
+ *	until out-of prg-state.
  */
 int mmc_interrupt_hpi(struct mmc_card *card)
 {
@@ -424,8 +503,9 @@ int mmc_interrupt_hpi(struct mmc_card *card)
 	case R1_STATE_IDLE:
 	case R1_STATE_READY:
 	case R1_STATE_STBY:
+	case R1_STATE_TRAN:
 		/*
-		 * In idle states, HPI is not needed and the caller
+		 * In idle and transfer states, HPI is not needed and the caller
 		 * can issue the next intended command immediately
 		 */
 		goto out;
@@ -489,6 +569,64 @@ int mmc_wait_for_cmd(struct mmc_host *host, struct mmc_command *cmd, int retries
 EXPORT_SYMBOL(mmc_wait_for_cmd);
 
 /**
+ *	mmc_stop_bkops - stop ongoing BKOPS
+ *	@card: MMC card to check BKOPS
+ *
+ *	Send HPI command to stop ongoing background operations to
+ *	allow rapid servicing of foreground operations, e.g. read/
+ *	writes. Wait until the card comes out of the programming state
+ *	to avoid errors in servicing read/write requests.
+ */
+int mmc_stop_bkops(struct mmc_card *card)
+{
+	int err = 0;
+
+	BUG_ON(!card);
+	err = mmc_interrupt_hpi(card);
+
+	/*
+	 * If err is EINVAL, we can't issue an HPI.
+	 * It should complete the BKOPS.
+	 */
+	if (!err || (err == -EINVAL)) {
+		mmc_card_clr_doing_bkops(card);
+		err = 0;
+	}
+
+	return err;
+}
+EXPORT_SYMBOL(mmc_stop_bkops);
+
+int mmc_read_bkops_status(struct mmc_card *card)
+{
+	int err;
+	u8 *ext_csd;
+
+	/*
+	 * In future work, we should consider storing the entire ext_csd.
+	 */
+	ext_csd = kmalloc(512, GFP_KERNEL);
+	if (!ext_csd) {
+		pr_err("%s: could not allocate buffer to receive the ext_csd.\n",
+		       mmc_hostname(card->host));
+		return -ENOMEM;
+	}
+
+	mmc_claim_host(card->host);
+	err = mmc_send_ext_csd(card, ext_csd);
+	mmc_release_host(card->host);
+	if (err)
+		goto out;
+
+	card->ext_csd.raw_bkops_status = ext_csd[EXT_CSD_BKOPS_STATUS];
+	card->ext_csd.raw_exception_status = ext_csd[EXT_CSD_EXP_EVENTS_STATUS];
+out:
+	kfree(ext_csd);
+	return err;
+}
+EXPORT_SYMBOL(mmc_read_bkops_status);
+
+/**
  *	mmc_set_data_timeout - set the timeout for a data command
  *	@data: data phase for command
  *	@card: the MMC card associated with the data transfer
@@ -975,7 +1113,8 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc,
 		int		tmp;
 		int		voltage;
 
-		/* REVISIT mmc_vddrange_to_ocrmask() may have set some
+		/*
+		 * REVISIT mmc_vddrange_to_ocrmask() may have set some
 		 * bits this regulator doesn't quite support ... don't
 		 * be too picky, most cards and regulators are OK with
 		 * a 0.1V range goof (it's a small error percentage).
@@ -989,12 +1128,13 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc,
 			max_uV = min_uV + 100 * 1000;
 		}
 
-		/* avoid needless changes to this voltage; the regulator
-		 * might not allow this operation
+		/*
+		 * If we're using a fixed/static regulator, don't call
+		 * regulator_set_voltage; it would fail.
 		 */
 		voltage = regulator_get_voltage(supply);
 
-		if (mmc->caps2 & MMC_CAP2_BROKEN_VOLTAGE)
+		if (regulator_count_voltages(supply) == 1)
 			min_uV = max_uV = voltage;
 
 		if (voltage < 0)
@@ -1133,48 +1273,6 @@ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type)
 	mmc_host_clk_release(host);
 }
 
-static void mmc_poweroff_notify(struct mmc_host *host)
-{
-	struct mmc_card *card;
-	unsigned int timeout;
-	unsigned int notify_type = EXT_CSD_NO_POWER_NOTIFICATION;
-	int err = 0;
-
-	card = host->card;
-	mmc_claim_host(host);
-
-	/*
-	 * Send power notify command only if card
-	 * is mmc and notify state is powered ON
-	 */
-	if (card && mmc_card_mmc(card) &&
-	    (card->poweroff_notify_state == MMC_POWERED_ON)) {
-
-		if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
-			notify_type = EXT_CSD_POWER_OFF_SHORT;
-			timeout = card->ext_csd.generic_cmd6_time;
-			card->poweroff_notify_state = MMC_POWEROFF_SHORT;
-		} else {
-			notify_type = EXT_CSD_POWER_OFF_LONG;
-			timeout = card->ext_csd.power_off_longtime;
-			card->poweroff_notify_state = MMC_POWEROFF_LONG;
-		}
-
-		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-				 EXT_CSD_POWER_OFF_NOTIFICATION,
-				 notify_type, timeout);
-
-		if (err && err != -EBADMSG)
-			pr_err("Device failed to respond within %d poweroff "
-			       "time. Forcefully powering down the device\n",
-			       timeout);
-
-		/* Set the card state to no notification after the poweroff */
-		card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
-	}
-	mmc_release_host(host);
-}
-
 /*
  * Apply power to the MMC stack.  This is a two-stage process.
  * First, we enable power to the card without the clock running.
@@ -1237,8 +1335,6 @@ static void mmc_power_up(struct mmc_host *host)
 
 void mmc_power_off(struct mmc_host *host)
 {
-	int err = 0;
-
 	if (host->ios.power_mode == MMC_POWER_OFF)
 		return;
 
@@ -1247,22 +1343,6 @@ void mmc_power_off(struct mmc_host *host)
 	host->ios.clock = 0;
 	host->ios.vdd = 0;
 
-	/*
-	 * For eMMC 4.5 device send AWAKE command before
-	 * POWER_OFF_NOTIFY command, because in sleep state
-	 * eMMC 4.5 devices respond to only RESET and AWAKE cmd
-	 */
-	if (host->card && mmc_card_is_sleep(host->card) &&
-	    host->bus_ops->resume) {
-		err = host->bus_ops->resume(host);
-
-		if (!err)
-			mmc_poweroff_notify(host);
-		else
-			pr_warning("%s: error %d during resume "
-				   "(continue with poweroff sequence)\n",
-				   mmc_hostname(host), err);
-	}
 
 	/*
 	 * Reset ocr mask to be the highest possible voltage supported for
@@ -2052,6 +2132,11 @@ void mmc_rescan(struct work_struct *work)
 	if (host->rescan_disable)
 		return;
 
+	/* If there is a non-removable card registered, only scan once */
+	if ((host->caps & MMC_CAP_NONREMOVABLE) && host->rescan_entered)
+		return;
+	host->rescan_entered = 1;
+
 	mmc_bus_get(host);
 
 	/*
@@ -2327,9 +2412,14 @@ int mmc_suspend_host(struct mmc_host *host)
 
 	mmc_bus_get(host);
 	if (host->bus_ops && !host->bus_dead) {
-
-		if (host->bus_ops->suspend)
+		if (host->bus_ops->suspend) {
+			if (mmc_card_doing_bkops(host->card)) {
+				err = mmc_stop_bkops(host->card);
+				if (err)
+					goto out;
+			}
 			err = host->bus_ops->suspend(host);
+		}
 
 		if (err == -ENOSYS || !host->bus_ops->resume) {
 			/*
@@ -2411,15 +2501,24 @@ int mmc_pm_notify(struct notifier_block *notify_block,
 	struct mmc_host *host = container_of(
 		notify_block, struct mmc_host, pm_notify);
 	unsigned long flags;
-
+	int err = 0;
 
 	switch (mode) {
 	case PM_HIBERNATION_PREPARE:
 	case PM_SUSPEND_PREPARE:
+		if (host->card && mmc_card_mmc(host->card) &&
+		    mmc_card_doing_bkops(host->card)) {
+			err = mmc_stop_bkops(host->card);
+			if (err) {
+				pr_err("%s: didn't stop bkops\n",
+					mmc_hostname(host));
+				return err;
+			}
+			mmc_card_clr_doing_bkops(host->card);
+		}
 
 		spin_lock_irqsave(&host->lock, flags);
 		host->rescan_disable = 1;
-		host->power_notify_type = MMC_HOST_PW_NOTIFY_SHORT;
 		spin_unlock_irqrestore(&host->lock, flags);
 		cancel_delayed_work_sync(&host->detect);
 
@@ -2443,7 +2542,6 @@ int mmc_pm_notify(struct notifier_block *notify_block,
 
 		spin_lock_irqsave(&host->lock, flags);
 		host->rescan_disable = 0;
-		host->power_notify_type = MMC_HOST_PW_NOTIFY_LONG;
 		spin_unlock_irqrestore(&host->lock, flags);
 		mmc_detect_change(host, 0);
 
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index 9ab5b17d488..d96c643dde1 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -281,7 +281,7 @@ static int mmc_ext_csd_open(struct inode *inode, struct file *filp)
 	if (err)
 		goto out_free;
 
-	for (i = 511; i >= 0; i--)
+	for (i = 0; i < 512; i++)
 		n += sprintf(buf + n, "%02x", ext_csd[i]);
 	n += sprintf(buf + n, "\n");
 	BUG_ON(n != EXT_CSD_STR_LEN);
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 396b25891bb..7cc46382fd6 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -463,6 +463,17 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 	}
 
 	if (card->ext_csd.rev >= 5) {
+		/* check whether the eMMC card supports BKOPS */
+		if (ext_csd[EXT_CSD_BKOPS_SUPPORT] & 0x1) {
+			card->ext_csd.bkops = 1;
+			card->ext_csd.bkops_en = ext_csd[EXT_CSD_BKOPS_EN];
+			card->ext_csd.raw_bkops_status =
+				ext_csd[EXT_CSD_BKOPS_STATUS];
+			if (!card->ext_csd.bkops_en)
+				pr_info("%s: BKOPS_EN bit is not set\n",
+					mmc_hostname(card->host));
+		}
+
 		/* check whether the eMMC card supports HPI */
 		if (ext_csd[EXT_CSD_HPI_FEATURES] & 0x1) {
 			card->ext_csd.hpi = 1;
@@ -996,7 +1007,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 		 * so check for success and update the flag
 		 */
 		if (!err)
-			card->poweroff_notify_state = MMC_POWERED_ON;
+			card->ext_csd.power_off_notification = EXT_CSD_POWER_ON;
 	}
 
 	/*
@@ -1262,6 +1273,35 @@ err:
 	return err;
 }
 
+static int mmc_can_poweroff_notify(const struct mmc_card *card)
+{
+	return card &&
+		mmc_card_mmc(card) &&
+		(card->ext_csd.power_off_notification == EXT_CSD_POWER_ON);
+}
+
+static int mmc_poweroff_notify(struct mmc_card *card, unsigned int notify_type)
+{
+	unsigned int timeout = card->ext_csd.generic_cmd6_time;
+	int err;
+
+	/* Use EXT_CSD_POWER_OFF_SHORT as default notification type. */
+	if (notify_type == EXT_CSD_POWER_OFF_LONG)
+		timeout = card->ext_csd.power_off_longtime;
+
+	err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+			 EXT_CSD_POWER_OFF_NOTIFICATION,
+			 notify_type, timeout);
+	if (err)
+		pr_err("%s: Power Off Notification timed out, %u\n",
+		       mmc_hostname(card->host), timeout);
+
+	/* Disable the power off notification after the switch operation. */
+	card->ext_csd.power_off_notification = EXT_CSD_NO_POWER_NOTIFICATION;
+
+	return err;
+}
+
 /*
  * Host is being removed. Free up the current card.
  */
@@ -1322,11 +1362,11 @@ static int mmc_suspend(struct mmc_host *host)
 	BUG_ON(!host->card);
 
 	mmc_claim_host(host);
-	if (mmc_card_can_sleep(host)) {
+	if (mmc_can_poweroff_notify(host->card))
+		err = mmc_poweroff_notify(host->card, EXT_CSD_POWER_OFF_SHORT);
+	else if (mmc_card_can_sleep(host))
 		err = mmc_card_sleep(host);
-		if (!err)
-			mmc_card_set_sleep(host->card);
-	} else if (!mmc_host_is_spi(host))
+	else if (!mmc_host_is_spi(host))
 		err = mmc_deselect_cards(host);
 	host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
 	mmc_release_host(host);
@@ -1348,11 +1388,7 @@ static int mmc_resume(struct mmc_host *host)
 	BUG_ON(!host->card);
 
 	mmc_claim_host(host);
-	if (mmc_card_is_sleep(host->card)) {
-		err = mmc_card_awake(host);
-		mmc_card_clr_sleep(host->card);
-	} else
-		err = mmc_init_card(host, host->ocr, host->card);
+	err = mmc_init_card(host, host->ocr, host->card);
 	mmc_release_host(host);
 
 	return err;
@@ -1363,7 +1399,6 @@ static int mmc_power_restore(struct mmc_host *host)
 	int ret;
 
 	host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
-	mmc_card_clr_sleep(host->card);
 	mmc_claim_host(host);
 	ret = mmc_init_card(host, host->ocr, host->card);
 	mmc_release_host(host);
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 0ed2cc5f35b..a0e172042e6 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -230,6 +230,10 @@ mmc_send_cxd_native(struct mmc_host *host, u32 arg, u32 *cxd, int opcode)
 	return 0;
 }
 
+/*
+ * NOTE: void *buf, caller for the buf is required to use DMA-capable
+ * buffer or on-stack buffer (with some overhead in callee).
+ */
 static int
 mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
 		u32 opcode, void *buf, unsigned len)
@@ -239,13 +243,19 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
 	struct mmc_data data = {0};
 	struct scatterlist sg;
 	void *data_buf;
+	int is_on_stack;
 
-	/* dma onto stack is unsafe/nonportable, but callers to this
-	 * routine normally provide temporary on-stack buffers ...
-	 */
-	data_buf = kmalloc(len, GFP_KERNEL);
-	if (data_buf == NULL)
-		return -ENOMEM;
+	is_on_stack = object_is_on_stack(buf);
+	if (is_on_stack) {
+		/*
+		 * dma onto stack is unsafe/nonportable, but callers to this
+		 * routine normally provide temporary on-stack buffers ...
+		 */
+		data_buf = kmalloc(len, GFP_KERNEL);
+		if (!data_buf)
+			return -ENOMEM;
+	} else
+		data_buf = buf;
 
 	mrq.cmd = &cmd;
 	mrq.data = &data;
@@ -280,8 +290,10 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
 
 	mmc_wait_for_req(host, &mrq);
 
-	memcpy(buf, data_buf, len);
-	kfree(data_buf);
+	if (is_on_stack) {
+		memcpy(buf, data_buf, len);
+		kfree(data_buf);
+	}
 
 	if (cmd.error)
 		return cmd.error;
@@ -294,24 +306,32 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
 int mmc_send_csd(struct mmc_card *card, u32 *csd)
 {
 	int ret, i;
+	u32 *csd_tmp;
 
 	if (!mmc_host_is_spi(card->host))
 		return mmc_send_cxd_native(card->host, card->rca << 16,
 				csd, MMC_SEND_CSD);
 
-	ret = mmc_send_cxd_data(card, card->host, MMC_SEND_CSD, csd, 16);
+	csd_tmp = kmalloc(16, GFP_KERNEL);
+	if (!csd_tmp)
+		return -ENOMEM;
+
+	ret = mmc_send_cxd_data(card, card->host, MMC_SEND_CSD, csd_tmp, 16);
 	if (ret)
-		return ret;
+		goto err;
 
 	for (i = 0;i < 4;i++)
-		csd[i] = be32_to_cpu(csd[i]);
+		csd[i] = be32_to_cpu(csd_tmp[i]);
 
-	return 0;
+err:
+	kfree(csd_tmp);
+	return ret;
 }
 
 int mmc_send_cid(struct mmc_host *host, u32 *cid)
 {
 	int ret, i;
+	u32 *cid_tmp;
 
 	if (!mmc_host_is_spi(host)) {
 		if (!host->card)
@@ -320,14 +340,20 @@ int mmc_send_cid(struct mmc_host *host, u32 *cid)
 				cid, MMC_SEND_CID);
 	}
 
-	ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CID, cid, 16);
+	cid_tmp = kmalloc(16, GFP_KERNEL);
+	if (!cid_tmp)
+		return -ENOMEM;
+
+	ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CID, cid_tmp, 16);
 	if (ret)
-		return ret;
+		goto err;
 
 	for (i = 0;i < 4;i++)
-		cid[i] = be32_to_cpu(cid[i]);
+		cid[i] = be32_to_cpu(cid_tmp[i]);
 
-	return 0;
+err:
+	kfree(cid_tmp);
+	return ret;
 }
 
 int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd)
@@ -367,18 +393,19 @@ int mmc_spi_set_crc(struct mmc_host *host, int use_crc)
 }
 
 /**
- *	mmc_switch - modify EXT_CSD register
+ *	__mmc_switch - modify EXT_CSD register
  *	@card: the MMC card associated with the data transfer
  *	@set: cmd set values
  *	@index: EXT_CSD register index
  *	@value: value to program into EXT_CSD register
  *	@timeout_ms: timeout (ms) for operation performed by register write,
  *                   timeout of zero implies maximum possible timeout
+ *	@use_busy_signal: use the busy signal as response type
  *
  *	Modifies the EXT_CSD register for selected card.
  */
-int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
-	       unsigned int timeout_ms)
+int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
+	       unsigned int timeout_ms, bool use_busy_signal)
 {
 	int err;
 	struct mmc_command cmd = {0};
@@ -392,13 +419,23 @@ int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
 		  (index << 16) |
 		  (value << 8) |
 		  set;
-	cmd.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
+	cmd.flags = MMC_CMD_AC;
+	if (use_busy_signal)
+		cmd.flags |= MMC_RSP_SPI_R1B | MMC_RSP_R1B;
+	else
+		cmd.flags |= MMC_RSP_SPI_R1 | MMC_RSP_R1;
+
+
 	cmd.cmd_timeout_ms = timeout_ms;
 
 	err = mmc_wait_for_cmd(card->host, &cmd, MMC_CMD_RETRIES);
 	if (err)
 		return err;
 
+	/* No need to check card status in case of unblocking command */
+	if (!use_busy_signal)
+		return 0;
+
 	/* Must check status to be sure of no errors */
 	do {
 		err = mmc_send_status(card, &status);
@@ -423,6 +460,13 @@ int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(__mmc_switch);
+
+int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
+		unsigned int timeout_ms)
+{
+	return __mmc_switch(card, set, index, value, timeout_ms, true);
+}
 EXPORT_SYMBOL_GPL(mmc_switch);
 
 int mmc_send_status(struct mmc_card *card, u32 *status)
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 236842ec955..6bf68799fe9 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -193,14 +193,7 @@ static int sdio_bus_remove(struct device *dev)
 }
 
 #ifdef CONFIG_PM
-
-static int pm_no_operation(struct device *dev)
-{
-	return 0;
-}
-
 static const struct dev_pm_ops sdio_bus_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation)
 	SET_RUNTIME_PM_OPS(
 		pm_generic_runtime_suspend,
 		pm_generic_runtime_resume,
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 058242916ce..08c6b3dfe08 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -100,7 +100,13 @@ int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio)
 
 	ctx = host->slot.handler_priv;
 
-	return gpio_request_one(gpio, GPIOF_DIR_IN, ctx->ro_label);
+	ret = gpio_request_one(gpio, GPIOF_DIR_IN, ctx->ro_label);
+	if (ret < 0)
+		return ret;
+
+	ctx->ro_gpio = gpio;
+
+	return 0;
 }
 EXPORT_SYMBOL(mmc_gpio_request_ro);
 
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index aa131b32e3b..9bf10e7bbfa 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -540,6 +540,15 @@ config MMC_DW_PLTFM
 
 	  If unsure, say Y.
 
+config MMC_DW_EXYNOS
+	tristate "Exynos specific extentions for Synopsys DW Memory Card Interface"
+	depends on MMC_DW
+	select MMC_DW_PLTFM
+	help
+	  This selects support for Samsung Exynos SoC specific extensions to the
+	  Synopsys DesignWare Memory Card Interface driver. Select this option
+	  for platforms based on Exynos4 and Exynos5 SoC's.
+
 config MMC_DW_PCI
 	tristate "Synopsys Designware MCI support on PCI bus"
 	depends on MMC_DW && PCI
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 8922b06be92..17ad0a7ba40 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_MMC_VIA_SDMMC)	+= via-sdmmc.o
 obj-$(CONFIG_SDH_BFIN)		+= bfin_sdh.o
 obj-$(CONFIG_MMC_DW)		+= dw_mmc.o
 obj-$(CONFIG_MMC_DW_PLTFM)	+= dw_mmc-pltfm.o
+obj-$(CONFIG_MMC_DW_EXYNOS)	+= dw_mmc-exynos.o
 obj-$(CONFIG_MMC_DW_PCI)	+= dw_mmc-pci.o
 obj-$(CONFIG_MMC_SH_MMCIF)	+= sh_mmcif.o
 obj-$(CONFIG_MMC_JZ4740)	+= jz4740_mmc.o
diff --git a/drivers/mmc/host/atmel-mci-regs.h b/drivers/mmc/host/atmel-mci-regs.h
index ab56f7db531..c97001e1522 100644
--- a/drivers/mmc/host/atmel-mci-regs.h
+++ b/drivers/mmc/host/atmel-mci-regs.h
@@ -140,6 +140,13 @@
 #define atmci_writel(port,reg,value)			\
 	__raw_writel((value), (port)->regs + reg)
 
+/* On AVR chips the Peripheral DMA Controller is not connected to MCI. */
+#ifdef CONFIG_AVR32
+#	define ATMCI_PDC_CONNECTED	0
+#else
+#	define ATMCI_PDC_CONNECTED	1
+#endif
+
 /*
  * Fix sconfig's burst size according to atmel MCI. We need to convert them as:
  * 1 -> 0, 4 -> 1, 8 -> 2, 16 -> 3.
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 852d5fbda63..ddf096e3803 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -19,6 +19,9 @@
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
 #include <linux/platform_device.h>
 #include <linux/scatterlist.h>
 #include <linux/seq_file.h>
@@ -71,7 +74,7 @@ enum atmci_pdc_buf {
 };
 
 struct atmel_mci_caps {
-	bool    has_dma;
+	bool    has_dma_conf_reg;
 	bool    has_pdc;
 	bool    has_cfg_reg;
 	bool    has_cstor_reg;
@@ -418,7 +421,7 @@ static int atmci_regs_show(struct seq_file *s, void *v)
 	atmci_show_status_reg(s, "SR", buf[ATMCI_SR / 4]);
 	atmci_show_status_reg(s, "IMR", buf[ATMCI_IMR / 4]);
 
-	if (host->caps.has_dma) {
+	if (host->caps.has_dma_conf_reg) {
 		u32 val;
 
 		val = buf[ATMCI_DMA / 4];
@@ -500,6 +503,70 @@ err:
 	dev_err(&mmc->class_dev, "failed to initialize debugfs for slot\n");
 }
 
+#if defined(CONFIG_OF)
+static const struct of_device_id atmci_dt_ids[] = {
+	{ .compatible = "atmel,hsmci" },
+	{ /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, atmci_dt_ids);
+
+static struct mci_platform_data __devinit*
+atmci_of_init(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct device_node *cnp;
+	struct mci_platform_data *pdata;
+	u32 slot_id;
+
+	if (!np) {
+		dev_err(&pdev->dev, "device node not found\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata) {
+		dev_err(&pdev->dev, "could not allocate memory for pdata\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	for_each_child_of_node(np, cnp) {
+		if (of_property_read_u32(cnp, "reg", &slot_id)) {
+			dev_warn(&pdev->dev, "reg property is missing for %s\n",
+				 cnp->full_name);
+			continue;
+		}
+
+		if (slot_id >= ATMCI_MAX_NR_SLOTS) {
+			dev_warn(&pdev->dev, "can't have more than %d slots\n",
+			         ATMCI_MAX_NR_SLOTS);
+			break;
+		}
+
+		if (of_property_read_u32(cnp, "bus-width",
+		                         &pdata->slot[slot_id].bus_width))
+			pdata->slot[slot_id].bus_width = 1;
+
+		pdata->slot[slot_id].detect_pin =
+			of_get_named_gpio(cnp, "cd-gpios", 0);
+
+		pdata->slot[slot_id].detect_is_active_high =
+			of_property_read_bool(cnp, "cd-inverted");
+
+		pdata->slot[slot_id].wp_pin =
+			of_get_named_gpio(cnp, "wp-gpios", 0);
+	}
+
+	return pdata;
+}
+#else /* CONFIG_OF */
+static inline struct mci_platform_data*
+atmci_of_init(struct platform_device *dev)
+{
+	return ERR_PTR(-EINVAL);
+}
+#endif
+
 static inline unsigned int atmci_get_version(struct atmel_mci *host)
 {
 	return atmci_readl(host, ATMCI_VERSION) & 0x00000fff;
@@ -774,7 +841,7 @@ static void atmci_dma_complete(void *arg)
 
 	dev_vdbg(&host->pdev->dev, "DMA complete\n");
 
-	if (host->caps.has_dma)
+	if (host->caps.has_dma_conf_reg)
 		/* Disable DMA hardware handshaking on MCI */
 		atmci_writel(host, ATMCI_DMA, atmci_readl(host, ATMCI_DMA) & ~ATMCI_DMAEN);
 
@@ -961,7 +1028,9 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
 		maxburst = atmci_convert_chksize(host->dma_conf.dst_maxburst);
 	}
 
-	atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(maxburst) | ATMCI_DMAEN);
+	if (host->caps.has_dma_conf_reg)
+		atmci_writel(host, ATMCI_DMA, ATMCI_DMA_CHKSIZE(maxburst) |
+			ATMCI_DMAEN);
 
 	sglen = dma_map_sg(chan->device->dev, data->sg,
 			data->sg_len, direction);
@@ -2046,6 +2115,13 @@ static int __init atmci_init_slot(struct atmel_mci *host,
 	slot->sdc_reg = sdc_reg;
 	slot->sdio_irq = sdio_irq;
 
+	dev_dbg(&mmc->class_dev,
+	        "slot[%u]: bus_width=%u, detect_pin=%d, "
+		"detect_is_active_high=%s, wp_pin=%d\n",
+		id, slot_data->bus_width, slot_data->detect_pin,
+		slot_data->detect_is_active_high ? "true" : "false",
+		slot_data->wp_pin);
+
 	mmc->ops = &atmci_ops;
 	mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512);
 	mmc->f_max = host->bus_hz / 2;
@@ -2169,7 +2245,10 @@ static bool atmci_configure_dma(struct atmel_mci *host)
 
 	pdata = host->pdev->dev.platform_data;
 
-	if (pdata && find_slave_dev(pdata->dma_slave)) {
+	if (!pdata)
+		return false;
+
+	if (pdata->dma_slave && find_slave_dev(pdata->dma_slave)) {
 		dma_cap_mask_t mask;
 
 		/* Try to grab a DMA channel */
@@ -2210,8 +2289,8 @@ static void __init atmci_get_cap(struct atmel_mci *host)
 	dev_info(&host->pdev->dev,
 			"version: 0x%x\n", version);
 
-	host->caps.has_dma = 0;
-	host->caps.has_pdc = 1;
+	host->caps.has_dma_conf_reg = 0;
+	host->caps.has_pdc = ATMCI_PDC_CONNECTED;
 	host->caps.has_cfg_reg = 0;
 	host->caps.has_cstor_reg = 0;
 	host->caps.has_highspeed = 0;
@@ -2228,12 +2307,7 @@ static void __init atmci_get_cap(struct atmel_mci *host)
 		host->caps.has_odd_clk_div = 1;
 	case 0x400:
 	case 0x300:
-#ifdef CONFIG_AT_HDMAC
-		host->caps.has_dma = 1;
-#else
-		dev_info(&host->pdev->dev,
-			"has dma capability but dma engine is not selected, then use pio\n");
-#endif
+		host->caps.has_dma_conf_reg = 1;
 		host->caps.has_pdc = 0;
 		host->caps.has_cfg_reg = 1;
 		host->caps.has_cstor_reg = 1;
@@ -2268,8 +2342,14 @@ static int __init atmci_probe(struct platform_device *pdev)
 	if (!regs)
 		return -ENXIO;
 	pdata = pdev->dev.platform_data;
-	if (!pdata)
-		return -ENXIO;
+	if (!pdata) {
+		pdata = atmci_of_init(pdev);
+		if (IS_ERR(pdata)) {
+			dev_err(&pdev->dev, "platform data not available\n");
+			return PTR_ERR(pdata);
+		}
+	}
+
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return irq;
@@ -2308,7 +2388,7 @@ static int __init atmci_probe(struct platform_device *pdev)
 
 	/* Get MCI capabilities and set operations according to it */
 	atmci_get_cap(host);
-	if (host->caps.has_dma && atmci_configure_dma(host)) {
+	if (atmci_configure_dma(host)) {
 		host->prepare_data = &atmci_prepare_data_dma;
 		host->submit_data = &atmci_submit_data_dma;
 		host->stop_transfer = &atmci_stop_transfer_dma;
@@ -2487,6 +2567,7 @@ static struct platform_driver atmci_driver = {
 	.driver		= {
 		.name		= "atmel_mci",
 		.pm		= ATMCI_PM_OPS,
+		.of_match_table	= of_match_ptr(atmci_dt_ids),
 	},
 };
 
diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c
index a17dd7363ce..b9b463eca1e 100644
--- a/drivers/mmc/host/bfin_sdh.c
+++ b/drivers/mmc/host/bfin_sdh.c
@@ -24,9 +24,7 @@
 #include <asm/portmux.h>
 #include <asm/bfin_sdh.h>
 
-#if defined(CONFIG_BF51x)
-#define bfin_read_SDH_PWR_CTL		bfin_read_RSI_PWR_CTL
-#define bfin_write_SDH_PWR_CTL		bfin_write_RSI_PWR_CTL
+#if defined(CONFIG_BF51x) || defined(__ADSPBF60x__)
 #define bfin_read_SDH_CLK_CTL		bfin_read_RSI_CLK_CTL
 #define bfin_write_SDH_CLK_CTL		bfin_write_RSI_CLK_CTL
 #define bfin_write_SDH_ARGUMENT		bfin_write_RSI_ARGUMENT
@@ -45,8 +43,16 @@
 #define bfin_write_SDH_E_STATUS		bfin_write_RSI_E_STATUS
 #define bfin_read_SDH_STATUS		bfin_read_RSI_STATUS
 #define bfin_write_SDH_MASK0		bfin_write_RSI_MASK0
+#define bfin_write_SDH_E_MASK		bfin_write_RSI_E_MASK
 #define bfin_read_SDH_CFG		bfin_read_RSI_CFG
 #define bfin_write_SDH_CFG		bfin_write_RSI_CFG
+# if defined(__ADSPBF60x__)
+#  define bfin_read_SDH_BLK_SIZE	bfin_read_RSI_BLKSZ
+#  define bfin_write_SDH_BLK_SIZE	bfin_write_RSI_BLKSZ
+# else
+#  define bfin_read_SDH_PWR_CTL		bfin_read_RSI_PWR_CTL
+#  define bfin_write_SDH_PWR_CTL	bfin_write_RSI_PWR_CTL
+# endif
 #endif
 
 struct sdh_host {
@@ -62,6 +68,7 @@ struct sdh_host {
 	dma_addr_t		sg_dma;
 	int			dma_len;
 
+	unsigned long		sclk;
 	unsigned int		imask;
 	unsigned int		power_mode;
 	unsigned int		clk_div;
@@ -127,11 +134,15 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 	/* Only supports power-of-2 block size */
 	if (data->blksz & (data->blksz - 1))
 		return -EINVAL;
+#ifndef RSI_BLKSZ
 	data_ctl |= ((ffs(data->blksz) - 1) << 4);
+#else
+        bfin_write_SDH_BLK_SIZE(data->blksz);
+#endif
 
 	bfin_write_SDH_DATA_CTL(data_ctl);
 	/* the time of a host clock period in ns */
-	cycle_ns = 1000000000 / (get_sclk() / (2 * (host->clk_div + 1)));
+	cycle_ns = 1000000000 / (host->sclk / (2 * (host->clk_div + 1)));
 	timeout = data->timeout_ns / cycle_ns;
 	timeout += data->timeout_clks;
 	bfin_write_SDH_DATA_TIMER(timeout);
@@ -145,8 +156,13 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 
 	sdh_enable_stat_irq(host, (DAT_CRC_FAIL | DAT_TIME_OUT | DAT_END));
 	host->dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma_dir);
-#if defined(CONFIG_BF54x)
-	dma_cfg |= DMAFLOW_ARRAY | NDSIZE_5 | RESTART | WDSIZE_32 | DMAEN;
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
+	dma_cfg |= DMAFLOW_ARRAY | RESTART | WDSIZE_32 | DMAEN;
+# ifdef RSI_BLKSZ
+	dma_cfg |= PSIZE_32 | NDSIZE_3;
+# else
+	dma_cfg |= NDSIZE_5;
+# endif
 	{
 		struct scatterlist *sg;
 		int i;
@@ -156,7 +172,7 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 			host->sg_cpu[i].x_count = sg_dma_len(sg) / 4;
 			host->sg_cpu[i].x_modify = 4;
 			dev_dbg(mmc_dev(host->mmc), "%d: start_addr:0x%lx, "
-				"cfg:0x%x, x_count:0x%x, x_modify:0x%x\n",
+				"cfg:0x%lx, x_count:0x%lx, x_modify:0x%lx\n",
 				i, host->sg_cpu[i].start_addr,
 				host->sg_cpu[i].cfg, host->sg_cpu[i].x_count,
 				host->sg_cpu[i].x_modify);
@@ -172,6 +188,7 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 	set_dma_curr_desc_addr(host->dma_ch, (unsigned long *)host->sg_dma);
 	set_dma_x_count(host->dma_ch, 0);
 	set_dma_x_modify(host->dma_ch, 0);
+	SSYNC();
 	set_dma_config(host->dma_ch, dma_cfg);
 #elif defined(CONFIG_BF51x)
 	/* RSI DMA doesn't work in array mode */
@@ -179,6 +196,7 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 	set_dma_start_addr(host->dma_ch, sg_dma_address(&data->sg[0]));
 	set_dma_x_count(host->dma_ch, length / 4);
 	set_dma_x_modify(host->dma_ch, 4);
+	SSYNC();
 	set_dma_config(host->dma_ch, dma_cfg);
 #endif
 	bfin_write_SDH_DATA_CTL(bfin_read_SDH_DATA_CTL() | DTX_DMA_E | DTX_E);
@@ -296,7 +314,6 @@ static int sdh_data_done(struct sdh_host *host, unsigned int stat)
 	else
 		data->bytes_xfered = 0;
 
-	sdh_disable_stat_irq(host, DAT_END | DAT_TIME_OUT | DAT_CRC_FAIL | RX_OVERRUN | TX_UNDERRUN);
 	bfin_write_SDH_STATUS_CLR(DAT_END_STAT | DAT_TIMEOUT_STAT | \
 			DAT_CRC_FAIL_STAT | DAT_BLK_END_STAT | RX_OVERRUN | TX_UNDERRUN);
 	bfin_write_SDH_DATA_CTL(0);
@@ -321,74 +338,115 @@ static void sdh_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	dev_dbg(mmc_dev(host->mmc), "%s enter, mrp:%p, cmd:%p\n", __func__, mrq, mrq->cmd);
 	WARN_ON(host->mrq != NULL);
 
+	spin_lock(&host->lock);
 	host->mrq = mrq;
 	host->data = mrq->data;
 
 	if (mrq->data && mrq->data->flags & MMC_DATA_READ) {
 		ret = sdh_setup_data(host, mrq->data);
 		if (ret)
-			return;
+			goto data_err;
 	}
 
 	sdh_start_cmd(host, mrq->cmd);
+data_err:
+	spin_unlock(&host->lock);
 }
 
 static void sdh_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
 	struct sdh_host *host;
-	unsigned long flags;
 	u16 clk_ctl = 0;
+#ifndef RSI_BLKSZ
 	u16 pwr_ctl = 0;
+#endif
 	u16 cfg;
 	host = mmc_priv(mmc);
 
-	spin_lock_irqsave(&host->lock, flags);
-	if (ios->clock) {
-		unsigned long  sys_clk, ios_clk;
-		unsigned char clk_div;
-		ios_clk = 2 * ios->clock;
-		sys_clk = get_sclk();
-		clk_div = sys_clk / ios_clk;
-		if (sys_clk % ios_clk == 0)
-			clk_div -= 1;
-		clk_div = min_t(unsigned char, clk_div, 0xFF);
-		clk_ctl |= clk_div;
-		clk_ctl |= CLK_E;
-		host->clk_div = clk_div;
-	} else
-		sdh_stop_clock(host);
-
-	if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN)
-#ifdef CONFIG_SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
-		pwr_ctl |= ROD_CTL;
-#else
-		pwr_ctl |= SD_CMD_OD | ROD_CTL;
-#endif
+	spin_lock(&host->lock);
 
-	if (ios->bus_width == MMC_BUS_WIDTH_4) {
-		cfg = bfin_read_SDH_CFG();
+	cfg = bfin_read_SDH_CFG();
+	cfg |= MWE;
+	switch (ios->bus_width) {
+	case MMC_BUS_WIDTH_4:
+#ifndef RSI_BLKSZ
 		cfg &= ~PD_SDDAT3;
+#endif
 		cfg |= PUP_SDDAT3;
 		/* Enable 4 bit SDIO */
-		cfg |= (SD4E | MWE);
-		bfin_write_SDH_CFG(cfg);
-		clk_ctl |= WIDE_BUS;
-	} else {
-		cfg = bfin_read_SDH_CFG();
-		cfg |= MWE;
-		bfin_write_SDH_CFG(cfg);
+		cfg |= SD4E;
+		clk_ctl |= WIDE_BUS_4;
+		break;
+	case MMC_BUS_WIDTH_8:
+#ifndef RSI_BLKSZ
+		cfg &= ~PD_SDDAT3;
+#endif
+		cfg |= PUP_SDDAT3;
+		/* Disable 4 bit SDIO */
+		cfg &= ~SD4E;
+		clk_ctl |= BYTE_BUS_8;
+		break;
+	default:
+		cfg &= ~PUP_SDDAT3;
+		/* Disable 4 bit SDIO */
+		cfg &= ~SD4E;
 	}
 
-	bfin_write_SDH_CLK_CTL(clk_ctl);
-
 	host->power_mode = ios->power_mode;
-	if (ios->power_mode == MMC_POWER_ON)
+#ifndef RSI_BLKSZ
+	if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) {
+		pwr_ctl |= ROD_CTL;
+# ifndef CONFIG_SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
+		pwr_ctl |= SD_CMD_OD;
+# endif
+	}
+
+	if (ios->power_mode != MMC_POWER_OFF)
 		pwr_ctl |= PWR_ON;
+	else
+		pwr_ctl &= ~PWR_ON;
 
 	bfin_write_SDH_PWR_CTL(pwr_ctl);
+#else
+# ifndef CONFIG_SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND
+	if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN)
+		cfg |= SD_CMD_OD;
+	else
+		cfg &= ~SD_CMD_OD;
+# endif
+
+
+	if (ios->power_mode != MMC_POWER_OFF)
+		cfg |= PWR_ON;
+	else
+		cfg &= ~PWR_ON;
+
+	bfin_write_SDH_CFG(cfg);
+#endif
 	SSYNC();
 
-	spin_unlock_irqrestore(&host->lock, flags);
+	if (ios->power_mode == MMC_POWER_ON && ios->clock) {
+		unsigned char clk_div;
+		clk_div = (get_sclk() / ios->clock - 1) / 2;
+		clk_div = min_t(unsigned char, clk_div, 0xFF);
+		clk_ctl |= clk_div;
+		clk_ctl |= CLK_E;
+		host->clk_div = clk_div;
+		bfin_write_SDH_CLK_CTL(clk_ctl);
+
+	} else
+		sdh_stop_clock(host);
+
+	/* set up sdh interrupt mask*/
+	if (ios->power_mode == MMC_POWER_ON)
+		bfin_write_SDH_MASK0(DAT_END | DAT_TIME_OUT | DAT_CRC_FAIL |
+			RX_OVERRUN | TX_UNDERRUN | CMD_SENT | CMD_RESP_END |
+			CMD_TIME_OUT | CMD_CRC_FAIL);
+	else
+		bfin_write_SDH_MASK0(0);
+	SSYNC();
+
+	spin_unlock(&host->lock);
 
 	dev_dbg(mmc_dev(host->mmc), "SDH: clk_div = 0x%x actual clock:%ld expected clock:%d\n",
 		host->clk_div,
@@ -405,7 +463,7 @@ static irqreturn_t sdh_dma_irq(int irq, void *devid)
 {
 	struct sdh_host *host = devid;
 
-	dev_dbg(mmc_dev(host->mmc), "%s enter, irq_stat: 0x%04x\n", __func__,
+	dev_dbg(mmc_dev(host->mmc), "%s enter, irq_stat: 0x%04lx\n", __func__,
 		get_dma_curr_irqstat(host->dma_ch));
 	clear_dma_irqstat(host->dma_ch);
 	SSYNC();
@@ -420,6 +478,9 @@ static irqreturn_t sdh_stat_irq(int irq, void *devid)
 	int handled = 0;
 
 	dev_dbg(mmc_dev(host->mmc), "%s enter\n", __func__);
+
+	spin_lock(&host->lock);
+
 	status = bfin_read_SDH_E_STATUS();
 	if (status & SD_CARD_DET) {
 		mmc_detect_change(host->mmc, 0);
@@ -437,11 +498,30 @@ static irqreturn_t sdh_stat_irq(int irq, void *devid)
 	if (status & (DAT_END | DAT_TIME_OUT | DAT_CRC_FAIL | RX_OVERRUN | TX_UNDERRUN))
 		handled |= sdh_data_done(host, status);
 
+	spin_unlock(&host->lock);
+
 	dev_dbg(mmc_dev(host->mmc), "%s exit\n\n", __func__);
 
 	return IRQ_RETVAL(handled);
 }
 
+static void sdh_reset(void)
+{
+#if defined(CONFIG_BF54x)
+	/* Secure Digital Host shares DMA with Nand controller */
+	bfin_write_DMAC1_PERIMUX(bfin_read_DMAC1_PERIMUX() | 0x1);
+#endif
+
+	bfin_write_SDH_CFG(bfin_read_SDH_CFG() | CLKS_EN);
+	SSYNC();
+
+	/* Disable card inserting detection pin. set MMC_CAP_NEEDS_POLL, and
+	 * mmc stack will do the detection.
+	 */
+	bfin_write_SDH_CFG((bfin_read_SDH_CFG() & 0x1F) | (PUP_SDDAT | PUP_SDDAT3));
+	SSYNC();
+}
+
 static int __devinit sdh_probe(struct platform_device *pdev)
 {
 	struct mmc_host *mmc;
@@ -462,8 +542,16 @@ static int __devinit sdh_probe(struct platform_device *pdev)
 	}
 
 	mmc->ops = &sdh_ops;
-	mmc->max_segs = 32;
+#if defined(CONFIG_BF51x)
+	mmc->max_segs = 1;
+#else
+	mmc->max_segs = PAGE_SIZE / sizeof(struct dma_desc_array);
+#endif
+#ifdef RSI_BLKSZ
+	mmc->max_seg_size = -1;
+#else
 	mmc->max_seg_size = 1 << 16;
+#endif
 	mmc->max_blk_size = 1 << 11;
 	mmc->max_blk_count = 1 << 11;
 	mmc->max_req_size = PAGE_SIZE;
@@ -473,6 +561,7 @@ static int __devinit sdh_probe(struct platform_device *pdev)
 	mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_NEEDS_POLL;
 	host = mmc_priv(mmc);
 	host->mmc = mmc;
+	host->sclk = get_sclk();
 
 	spin_lock_init(&host->lock);
 	host->irq = drv_data->irq_int0;
@@ -497,7 +586,6 @@ static int __devinit sdh_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, mmc);
-	mmc_add_host(mmc);
 
 	ret = request_irq(host->irq, sdh_stat_irq, 0, "SDH Status IRQ", host);
 	if (ret) {
@@ -510,20 +598,10 @@ static int __devinit sdh_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "unable to request peripheral pins\n");
 		goto out4;
 	}
-#if defined(CONFIG_BF54x)
-	/* Secure Digital Host shares DMA with Nand controller */
-	bfin_write_DMAC1_PERIMUX(bfin_read_DMAC1_PERIMUX() | 0x1);
-#endif
-
-	bfin_write_SDH_CFG(bfin_read_SDH_CFG() | CLKS_EN);
-	SSYNC();
 
-	/* Disable card inserting detection pin. set MMC_CAP_NEES_POLL, and
-	 * mmc stack will do the detection.
-	 */
-	bfin_write_SDH_CFG((bfin_read_SDH_CFG() & 0x1F) | (PUP_SDDAT | PUP_SDDAT3));
-	SSYNC();
+	sdh_reset();
 
+	mmc_add_host(mmc);
 	return 0;
 
 out4:
@@ -571,7 +649,6 @@ static int sdh_suspend(struct platform_device *dev, pm_message_t state)
 	if (mmc)
 		ret = mmc_suspend_host(mmc);
 
-	bfin_write_SDH_PWR_CTL(bfin_read_SDH_PWR_CTL() & ~PWR_ON);
 	peripheral_free_list(drv_data->pin_req);
 
 	return ret;
@@ -589,16 +666,7 @@ static int sdh_resume(struct platform_device *dev)
 		return ret;
 	}
 
-	bfin_write_SDH_PWR_CTL(bfin_read_SDH_PWR_CTL() | PWR_ON);
-#if defined(CONFIG_BF54x)
-	/* Secure Digital Host shares DMA with Nand controller */
-	bfin_write_DMAC1_PERIMUX(bfin_read_DMAC1_PERIMUX() | 0x1);
-#endif
-	bfin_write_SDH_CFG(bfin_read_SDH_CFG() | CLKS_EN);
-	SSYNC();
-
-	bfin_write_SDH_CFG((bfin_read_SDH_CFG() & 0x1F) | (PUP_SDDAT | PUP_SDDAT3));
-	SSYNC();
+	sdh_reset();
 
 	if (mmc)
 		ret = mmc_resume_host(mmc);
diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 3dfd3473269..20636772c09 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -30,11 +30,12 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/delay.h>
+#include <linux/dmaengine.h>
 #include <linux/dma-mapping.h>
+#include <linux/edma.h>
 #include <linux/mmc/mmc.h>
 
 #include <linux/platform_data/mmc-davinci.h>
-#include <mach/edma.h>
 
 /*
  * Register Definitions
@@ -200,21 +201,13 @@ struct mmc_davinci_host {
 	u32 bytes_left;
 
 	u32 rxdma, txdma;
+	struct dma_chan *dma_tx;
+	struct dma_chan *dma_rx;
 	bool use_dma;
 	bool do_dma;
 	bool sdio_int;
 	bool active_request;
 
-	/* Scatterlist DMA uses one or more parameter RAM entries:
-	 * the main one (associated with rxdma or txdma) plus zero or
-	 * more links.  The entries for a given transfer differ only
-	 * by memory buffer (address, length) and link field.
-	 */
-	struct edmacc_param	tx_template;
-	struct edmacc_param	rx_template;
-	unsigned		n_link;
-	u32			links[MAX_NR_SG - 1];
-
 	/* For PIO we walk scatterlists one segment at a time. */
 	unsigned int		sg_len;
 	struct scatterlist *sg;
@@ -410,153 +403,74 @@ static void mmc_davinci_start_command(struct mmc_davinci_host *host,
 
 static void davinci_abort_dma(struct mmc_davinci_host *host)
 {
-	int sync_dev;
+	struct dma_chan *sync_dev;
 
 	if (host->data_dir == DAVINCI_MMC_DATADIR_READ)
-		sync_dev = host->rxdma;
+		sync_dev = host->dma_rx;
 	else
-		sync_dev = host->txdma;
-
-	edma_stop(sync_dev);
-	edma_clean_channel(sync_dev);
-}
-
-static void
-mmc_davinci_xfer_done(struct mmc_davinci_host *host, struct mmc_data *data);
-
-static void mmc_davinci_dma_cb(unsigned channel, u16 ch_status, void *data)
-{
-	if (DMA_COMPLETE != ch_status) {
-		struct mmc_davinci_host *host = data;
-
-		/* Currently means:  DMA Event Missed, or "null" transfer
-		 * request was seen.  In the future, TC errors (like bad
-		 * addresses) might be presented too.
-		 */
-		dev_warn(mmc_dev(host->mmc), "DMA %s error\n",
-			(host->data->flags & MMC_DATA_WRITE)
-				? "write" : "read");
-		host->data->error = -EIO;
-		mmc_davinci_xfer_done(host, host->data);
-	}
-}
-
-/* Set up tx or rx template, to be modified and updated later */
-static void __init mmc_davinci_dma_setup(struct mmc_davinci_host *host,
-		bool tx, struct edmacc_param *template)
-{
-	unsigned	sync_dev;
-	const u16	acnt = 4;
-	const u16	bcnt = rw_threshold >> 2;
-	const u16	ccnt = 0;
-	u32		src_port = 0;
-	u32		dst_port = 0;
-	s16		src_bidx, dst_bidx;
-	s16		src_cidx, dst_cidx;
-
-	/*
-	 * A-B Sync transfer:  each DMA request is for one "frame" of
-	 * rw_threshold bytes, broken into "acnt"-size chunks repeated
-	 * "bcnt" times.  Each segment needs "ccnt" such frames; since
-	 * we tell the block layer our mmc->max_seg_size limit, we can
-	 * trust (later) that it's within bounds.
-	 *
-	 * The FIFOs are read/written in 4-byte chunks (acnt == 4) and
-	 * EDMA will optimize memory operations to use larger bursts.
-	 */
-	if (tx) {
-		sync_dev = host->txdma;
-
-		/* src_prt, ccnt, and link to be set up later */
-		src_bidx = acnt;
-		src_cidx = acnt * bcnt;
-
-		dst_port = host->mem_res->start + DAVINCI_MMCDXR;
-		dst_bidx = 0;
-		dst_cidx = 0;
-	} else {
-		sync_dev = host->rxdma;
-
-		src_port = host->mem_res->start + DAVINCI_MMCDRR;
-		src_bidx = 0;
-		src_cidx = 0;
-
-		/* dst_prt, ccnt, and link to be set up later */
-		dst_bidx = acnt;
-		dst_cidx = acnt * bcnt;
-	}
-
-	/*
-	 * We can't use FIFO mode for the FIFOs because MMC FIFO addresses
-	 * are not 256-bit (32-byte) aligned.  So we use INCR, and the W8BIT
-	 * parameter is ignored.
-	 */
-	edma_set_src(sync_dev, src_port, INCR, W8BIT);
-	edma_set_dest(sync_dev, dst_port, INCR, W8BIT);
+		sync_dev = host->dma_tx;
 
-	edma_set_src_index(sync_dev, src_bidx, src_cidx);
-	edma_set_dest_index(sync_dev, dst_bidx, dst_cidx);
-
-	edma_set_transfer_params(sync_dev, acnt, bcnt, ccnt, 8, ABSYNC);
-
-	edma_read_slot(sync_dev, template);
-
-	/* don't bother with irqs or chaining */
-	template->opt |= EDMA_CHAN_SLOT(sync_dev) << 12;
+	dmaengine_terminate_all(sync_dev);
 }
 
-static void mmc_davinci_send_dma_request(struct mmc_davinci_host *host,
+static int mmc_davinci_send_dma_request(struct mmc_davinci_host *host,
 		struct mmc_data *data)
 {
-	struct edmacc_param	*template;
-	int			channel, slot;
-	unsigned		link;
-	struct scatterlist	*sg;
-	unsigned		sg_len;
-	unsigned		bytes_left = host->bytes_left;
-	const unsigned		shift = ffs(rw_threshold) - 1;
+	struct dma_chan *chan;
+	struct dma_async_tx_descriptor *desc;
+	int ret = 0;
 
 	if (host->data_dir == DAVINCI_MMC_DATADIR_WRITE) {
-		template = &host->tx_template;
-		channel = host->txdma;
+		struct dma_slave_config dma_tx_conf = {
+			.direction = DMA_MEM_TO_DEV,
+			.dst_addr = host->mem_res->start + DAVINCI_MMCDXR,
+			.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+			.dst_maxburst =
+				rw_threshold / DMA_SLAVE_BUSWIDTH_4_BYTES,
+		};
+		chan = host->dma_tx;
+		dmaengine_slave_config(host->dma_tx, &dma_tx_conf);
+
+		desc = dmaengine_prep_slave_sg(host->dma_tx,
+				data->sg,
+				host->sg_len,
+				DMA_MEM_TO_DEV,
+				DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+		if (!desc) {
+			dev_dbg(mmc_dev(host->mmc),
+				"failed to allocate DMA TX descriptor");
+			ret = -1;
+			goto out;
+		}
 	} else {
-		template = &host->rx_template;
-		channel = host->rxdma;
-	}
-
-	/* We know sg_len and ccnt will never be out of range because
-	 * we told the mmc layer which in turn tells the block layer
-	 * to ensure that it only hands us one scatterlist segment
-	 * per EDMA PARAM entry.  Update the PARAM
-	 * entries needed for each segment of this scatterlist.
-	 */
-	for (slot = channel, link = 0, sg = data->sg, sg_len = host->sg_len;
-			sg_len-- != 0 && bytes_left;
-			sg = sg_next(sg), slot = host->links[link++]) {
-		u32		buf = sg_dma_address(sg);
-		unsigned	count = sg_dma_len(sg);
-
-		template->link_bcntrld = sg_len
-				? (EDMA_CHAN_SLOT(host->links[link]) << 5)
-				: 0xffff;
-
-		if (count > bytes_left)
-			count = bytes_left;
-		bytes_left -= count;
-
-		if (host->data_dir == DAVINCI_MMC_DATADIR_WRITE)
-			template->src = buf;
-		else
-			template->dst = buf;
-		template->ccnt = count >> shift;
-
-		edma_write_slot(slot, template);
+		struct dma_slave_config dma_rx_conf = {
+			.direction = DMA_DEV_TO_MEM,
+			.src_addr = host->mem_res->start + DAVINCI_MMCDRR,
+			.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+			.src_maxburst =
+				rw_threshold / DMA_SLAVE_BUSWIDTH_4_BYTES,
+		};
+		chan = host->dma_rx;
+		dmaengine_slave_config(host->dma_rx, &dma_rx_conf);
+
+		desc = dmaengine_prep_slave_sg(host->dma_rx,
+				data->sg,
+				host->sg_len,
+				DMA_DEV_TO_MEM,
+				DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+		if (!desc) {
+			dev_dbg(mmc_dev(host->mmc),
+				"failed to allocate DMA RX descriptor");
+			ret = -1;
+			goto out;
+		}
 	}
 
-	if (host->version == MMC_CTLR_VERSION_2)
-		edma_clear_event(channel);
+	dmaengine_submit(desc);
+	dma_async_issue_pending(chan);
 
-	edma_start(channel);
+out:
+	return ret;
 }
 
 static int mmc_davinci_start_dma_transfer(struct mmc_davinci_host *host,
@@ -564,6 +478,7 @@ static int mmc_davinci_start_dma_transfer(struct mmc_davinci_host *host,
 {
 	int i;
 	int mask = rw_threshold - 1;
+	int ret = 0;
 
 	host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
 				((data->flags & MMC_DATA_WRITE)
@@ -583,70 +498,48 @@ static int mmc_davinci_start_dma_transfer(struct mmc_davinci_host *host,
 	}
 
 	host->do_dma = 1;
-	mmc_davinci_send_dma_request(host, data);
+	ret = mmc_davinci_send_dma_request(host, data);
 
-	return 0;
+	return ret;
 }
 
 static void __init_or_module
 davinci_release_dma_channels(struct mmc_davinci_host *host)
 {
-	unsigned	i;
-
 	if (!host->use_dma)
 		return;
 
-	for (i = 0; i < host->n_link; i++)
-		edma_free_slot(host->links[i]);
-
-	edma_free_channel(host->txdma);
-	edma_free_channel(host->rxdma);
+	dma_release_channel(host->dma_tx);
+	dma_release_channel(host->dma_rx);
 }
 
 static int __init davinci_acquire_dma_channels(struct mmc_davinci_host *host)
 {
-	u32 link_size;
-	int r, i;
-
-	/* Acquire master DMA write channel */
-	r = edma_alloc_channel(host->txdma, mmc_davinci_dma_cb, host,
-			EVENTQ_DEFAULT);
-	if (r < 0) {
-		dev_warn(mmc_dev(host->mmc), "alloc %s channel err %d\n",
-				"tx", r);
-		return r;
-	}
-	mmc_davinci_dma_setup(host, true, &host->tx_template);
-
-	/* Acquire master DMA read channel */
-	r = edma_alloc_channel(host->rxdma, mmc_davinci_dma_cb, host,
-			EVENTQ_DEFAULT);
-	if (r < 0) {
-		dev_warn(mmc_dev(host->mmc), "alloc %s channel err %d\n",
-				"rx", r);
-		goto free_master_write;
+	int r;
+	dma_cap_mask_t mask;
+
+	dma_cap_zero(mask);
+	dma_cap_set(DMA_SLAVE, mask);
+
+	host->dma_tx =
+		dma_request_channel(mask, edma_filter_fn, &host->txdma);
+	if (!host->dma_tx) {
+		dev_err(mmc_dev(host->mmc), "Can't get dma_tx channel\n");
+		return -ENODEV;
 	}
-	mmc_davinci_dma_setup(host, false, &host->rx_template);
 
-	/* Allocate parameter RAM slots, which will later be bound to a
-	 * channel as needed to handle a scatterlist.
-	 */
-	link_size = min_t(unsigned, host->nr_sg, ARRAY_SIZE(host->links));
-	for (i = 0; i < link_size; i++) {
-		r = edma_alloc_slot(EDMA_CTLR(host->txdma), EDMA_SLOT_ANY);
-		if (r < 0) {
-			dev_dbg(mmc_dev(host->mmc), "dma PaRAM alloc --> %d\n",
-				r);
-			break;
-		}
-		host->links[i] = r;
+	host->dma_rx =
+		dma_request_channel(mask, edma_filter_fn, &host->rxdma);
+	if (!host->dma_rx) {
+		dev_err(mmc_dev(host->mmc), "Can't get dma_rx channel\n");
+		r = -ENODEV;
+		goto free_master_write;
 	}
-	host->n_link = i;
 
 	return 0;
 
 free_master_write:
-	edma_free_channel(host->txdma);
+	dma_release_channel(host->dma_tx);
 
 	return r;
 }
@@ -1359,7 +1252,7 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
 	 * Each hw_seg uses one EDMA parameter RAM slot, always one
 	 * channel and then usually some linked slots.
 	 */
-	mmc->max_segs		= 1 + host->n_link;
+	mmc->max_segs		= MAX_NR_SG;
 
 	/* EDMA limit per hw segment (one or two MBytes) */
 	mmc->max_seg_size	= MAX_CCNT * rw_threshold;
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
new file mode 100644
index 00000000000..660bbc52886
--- /dev/null
+++ b/drivers/mmc/host/dw_mmc-exynos.c
@@ -0,0 +1,253 @@
+/*
+ * Exynos Specific Extensions for Synopsys DW Multimedia Card Interface driver
+ *
+ * Copyright (C) 2012, Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/dw_mmc.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+
+#include "dw_mmc.h"
+#include "dw_mmc-pltfm.h"
+
+#define NUM_PINS(x)			(x + 2)
+
+#define SDMMC_CLKSEL			0x09C
+#define SDMMC_CLKSEL_CCLK_SAMPLE(x)	(((x) & 7) << 0)
+#define SDMMC_CLKSEL_CCLK_DRIVE(x)	(((x) & 7) << 16)
+#define SDMMC_CLKSEL_CCLK_DIVIDER(x)	(((x) & 7) << 24)
+#define SDMMC_CLKSEL_GET_DRV_WD3(x)	(((x) >> 16) & 0x7)
+#define SDMMC_CLKSEL_TIMING(x, y, z)	(SDMMC_CLKSEL_CCLK_SAMPLE(x) |	\
+					SDMMC_CLKSEL_CCLK_DRIVE(y) |	\
+					SDMMC_CLKSEL_CCLK_DIVIDER(z))
+
+#define SDMMC_CMD_USE_HOLD_REG		BIT(29)
+
+#define EXYNOS4210_FIXED_CIU_CLK_DIV	2
+#define EXYNOS4412_FIXED_CIU_CLK_DIV	4
+
+/* Variations in Exynos specific dw-mshc controller */
+enum dw_mci_exynos_type {
+	DW_MCI_TYPE_EXYNOS4210,
+	DW_MCI_TYPE_EXYNOS4412,
+	DW_MCI_TYPE_EXYNOS5250,
+};
+
+/* Exynos implementation specific driver private data */
+struct dw_mci_exynos_priv_data {
+	enum dw_mci_exynos_type		ctrl_type;
+	u8				ciu_div;
+	u32				sdr_timing;
+	u32				ddr_timing;
+};
+
+static struct dw_mci_exynos_compatible {
+	char				*compatible;
+	enum dw_mci_exynos_type		ctrl_type;
+} exynos_compat[] = {
+	{
+		.compatible	= "samsung,exynos4210-dw-mshc",
+		.ctrl_type	= DW_MCI_TYPE_EXYNOS4210,
+	}, {
+		.compatible	= "samsung,exynos4412-dw-mshc",
+		.ctrl_type	= DW_MCI_TYPE_EXYNOS4412,
+	}, {
+		.compatible	= "samsung,exynos5250-dw-mshc",
+		.ctrl_type	= DW_MCI_TYPE_EXYNOS5250,
+	},
+};
+
+static int dw_mci_exynos_priv_init(struct dw_mci *host)
+{
+	struct dw_mci_exynos_priv_data *priv;
+	int idx;
+
+	priv = devm_kzalloc(host->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv) {
+		dev_err(host->dev, "mem alloc failed for private data\n");
+		return -ENOMEM;
+	}
+
+	for (idx = 0; idx < ARRAY_SIZE(exynos_compat); idx++) {
+		if (of_device_is_compatible(host->dev->of_node,
+					exynos_compat[idx].compatible))
+			priv->ctrl_type = exynos_compat[idx].ctrl_type;
+	}
+
+	host->priv = priv;
+	return 0;
+}
+
+static int dw_mci_exynos_setup_clock(struct dw_mci *host)
+{
+	struct dw_mci_exynos_priv_data *priv = host->priv;
+
+	if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS5250)
+		host->bus_hz /= (priv->ciu_div + 1);
+	else if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS4412)
+		host->bus_hz /= EXYNOS4412_FIXED_CIU_CLK_DIV;
+	else if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS4210)
+		host->bus_hz /= EXYNOS4210_FIXED_CIU_CLK_DIV;
+
+	return 0;
+}
+
+static void dw_mci_exynos_prepare_command(struct dw_mci *host, u32 *cmdr)
+{
+	/*
+	 * Exynos4412 and Exynos5250 extends the use of CMD register with the
+	 * use of bit 29 (which is reserved on standard MSHC controllers) for
+	 * optionally bypassing the HOLD register for command and data. The
+	 * HOLD register should be bypassed in case there is no phase shift
+	 * applied on CMD/DATA that is sent to the card.
+	 */
+	if (SDMMC_CLKSEL_GET_DRV_WD3(mci_readl(host, CLKSEL)))
+		*cmdr |= SDMMC_CMD_USE_HOLD_REG;
+}
+
+static void dw_mci_exynos_set_ios(struct dw_mci *host, struct mmc_ios *ios)
+{
+	struct dw_mci_exynos_priv_data *priv = host->priv;
+
+	if (ios->timing == MMC_TIMING_UHS_DDR50)
+		mci_writel(host, CLKSEL, priv->ddr_timing);
+	else
+		mci_writel(host, CLKSEL, priv->sdr_timing);
+}
+
+static int dw_mci_exynos_parse_dt(struct dw_mci *host)
+{
+	struct dw_mci_exynos_priv_data *priv = host->priv;
+	struct device_node *np = host->dev->of_node;
+	u32 timing[2];
+	u32 div = 0;
+	int ret;
+
+	of_property_read_u32(np, "samsung,dw-mshc-ciu-div", &div);
+	priv->ciu_div = div;
+
+	ret = of_property_read_u32_array(np,
+			"samsung,dw-mshc-sdr-timing", timing, 2);
+	if (ret)
+		return ret;
+
+	priv->sdr_timing = SDMMC_CLKSEL_TIMING(timing[0], timing[1], div);
+
+	ret = of_property_read_u32_array(np,
+			"samsung,dw-mshc-ddr-timing", timing, 2);
+	if (ret)
+		return ret;
+
+	priv->ddr_timing = SDMMC_CLKSEL_TIMING(timing[0], timing[1], div);
+	return 0;
+}
+
+static int dw_mci_exynos_setup_bus(struct dw_mci *host,
+				struct device_node *slot_np, u8 bus_width)
+{
+	int idx, gpio, ret;
+
+	if (!slot_np)
+		return -EINVAL;
+
+	/* cmd + clock + bus-width pins */
+	for (idx = 0; idx < NUM_PINS(bus_width); idx++) {
+		gpio = of_get_gpio(slot_np, idx);
+		if (!gpio_is_valid(gpio)) {
+			dev_err(host->dev, "invalid gpio: %d\n", gpio);
+			return -EINVAL;
+		}
+
+		ret = devm_gpio_request(host->dev, gpio, "dw-mci-bus");
+		if (ret) {
+			dev_err(host->dev, "gpio [%d] request failed\n", gpio);
+			return -EBUSY;
+		}
+	}
+
+	gpio = of_get_named_gpio(slot_np, "wp-gpios", 0);
+	if (gpio_is_valid(gpio)) {
+		if (devm_gpio_request(host->dev, gpio, "dw-mci-wp"))
+			dev_info(host->dev, "gpio [%d] request failed\n",
+						gpio);
+	} else {
+		dev_info(host->dev, "wp gpio not available");
+		host->pdata->quirks |= DW_MCI_QUIRK_NO_WRITE_PROTECT;
+	}
+
+	if (host->pdata->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
+		return 0;
+
+	gpio = of_get_named_gpio(slot_np, "samsung,cd-pinmux-gpio", 0);
+	if (gpio_is_valid(gpio)) {
+		if (devm_gpio_request(host->dev, gpio, "dw-mci-cd"))
+			dev_err(host->dev, "gpio [%d] request failed\n", gpio);
+	} else {
+		dev_info(host->dev, "cd gpio not available");
+	}
+
+	return 0;
+}
+
+/* Exynos5250 controller specific capabilities */
+static unsigned long exynos5250_dwmmc_caps[4] = {
+	MMC_CAP_UHS_DDR50 | MMC_CAP_1_8V_DDR |
+		MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23,
+	MMC_CAP_CMD23,
+	MMC_CAP_CMD23,
+	MMC_CAP_CMD23,
+};
+
+static struct dw_mci_drv_data exynos5250_drv_data = {
+	.caps			= exynos5250_dwmmc_caps,
+	.init			= dw_mci_exynos_priv_init,
+	.setup_clock		= dw_mci_exynos_setup_clock,
+	.prepare_command	= dw_mci_exynos_prepare_command,
+	.set_ios		= dw_mci_exynos_set_ios,
+	.parse_dt		= dw_mci_exynos_parse_dt,
+	.setup_bus		= dw_mci_exynos_setup_bus,
+};
+
+static const struct of_device_id dw_mci_exynos_match[] = {
+	{ .compatible = "samsung,exynos5250-dw-mshc",
+			.data = (void *)&exynos5250_drv_data, },
+	{},
+};
+MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
+
+int dw_mci_exynos_probe(struct platform_device *pdev)
+{
+	struct dw_mci_drv_data *drv_data;
+	const struct of_device_id *match;
+
+	match = of_match_node(dw_mci_exynos_match, pdev->dev.of_node);
+	drv_data = match->data;
+	return dw_mci_pltfm_register(pdev, drv_data);
+}
+
+static struct platform_driver dw_mci_exynos_pltfm_driver = {
+	.probe		= dw_mci_exynos_probe,
+	.remove		= __exit_p(dw_mci_pltfm_remove),
+	.driver		= {
+		.name		= "dwmmc_exynos",
+		.of_match_table	= of_match_ptr(dw_mci_exynos_match),
+		.pm		= &dw_mci_pltfm_pmops,
+	},
+};
+
+module_platform_driver(dw_mci_exynos_pltfm_driver);
+
+MODULE_DESCRIPTION("Samsung Specific DW-MSHC Driver Extension");
+MODULE_AUTHOR("Thomas Abraham <thomas.ab@samsung.com");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:dwmmc-exynos");
diff --git a/drivers/mmc/host/dw_mmc-pci.c b/drivers/mmc/host/dw_mmc-pci.c
index dc0d25a013e..edb37e9135a 100644
--- a/drivers/mmc/host/dw_mmc-pci.c
+++ b/drivers/mmc/host/dw_mmc-pci.c
@@ -59,7 +59,7 @@ static int __devinit dw_mci_pci_probe(struct pci_dev *pdev,
 
 	host->irq = pdev->irq;
 	host->irq_flags = IRQF_SHARED;
-	host->dev = pdev->dev;
+	host->dev = &pdev->dev;
 	host->pdata = &pci_board_data;
 
 	host->regs = pci_iomap(pdev, PCI_BAR_NO, COMPLETE_BAR);
@@ -140,18 +140,7 @@ static struct pci_driver dw_mci_pci_driver = {
 	},
 };
 
-static int __init dw_mci_init(void)
-{
-	return pci_register_driver(&dw_mci_pci_driver);
-}
-
-static void __exit dw_mci_exit(void)
-{
-	pci_unregister_driver(&dw_mci_pci_driver);
-}
-
-module_init(dw_mci_init);
-module_exit(dw_mci_exit);
+module_pci_driver(dw_mci_pci_driver);
 
 MODULE_DESCRIPTION("DW Multimedia Card PCI Interface driver");
 MODULE_AUTHOR("Shashidhar Hiremath <shashidharh@vayavyalabs.com>");
diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
index 92ec3eb3aae..c960ca7ffbe 100644
--- a/drivers/mmc/host/dw_mmc-pltfm.c
+++ b/drivers/mmc/host/dw_mmc-pltfm.c
@@ -19,59 +19,63 @@
 #include <linux/mmc/host.h>
 #include <linux/mmc/mmc.h>
 #include <linux/mmc/dw_mmc.h>
+#include <linux/of.h>
+
 #include "dw_mmc.h"
 
-static int dw_mci_pltfm_probe(struct platform_device *pdev)
+int dw_mci_pltfm_register(struct platform_device *pdev,
+				struct dw_mci_drv_data *drv_data)
 {
 	struct dw_mci *host;
 	struct resource	*regs;
 	int ret;
 
-	host = kzalloc(sizeof(struct dw_mci), GFP_KERNEL);
+	host = devm_kzalloc(&pdev->dev, sizeof(struct dw_mci), GFP_KERNEL);
 	if (!host)
 		return -ENOMEM;
 
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!regs) {
-		ret = -ENXIO;
-		goto err_free;
-	}
+	if (!regs)
+		return -ENXIO;
 
 	host->irq = platform_get_irq(pdev, 0);
-	if (host->irq < 0) {
-		ret = host->irq;
-		goto err_free;
-	}
+	if (host->irq < 0)
+		return host->irq;
 
-	host->dev = pdev->dev;
+	host->drv_data = drv_data;
+	host->dev = &pdev->dev;
 	host->irq_flags = 0;
 	host->pdata = pdev->dev.platform_data;
-	ret = -ENOMEM;
-	host->regs = ioremap(regs->start, resource_size(regs));
+	host->regs = devm_request_and_ioremap(&pdev->dev, regs);
 	if (!host->regs)
-		goto err_free;
+		return -ENOMEM;
+
+	if (host->drv_data->init) {
+		ret = host->drv_data->init(host);
+		if (ret)
+			return ret;
+	}
+
 	platform_set_drvdata(pdev, host);
 	ret = dw_mci_probe(host);
-	if (ret)
-		goto err_out;
-	return ret;
-err_out:
-	iounmap(host->regs);
-err_free:
-	kfree(host);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(dw_mci_pltfm_register);
 
-static int __exit dw_mci_pltfm_remove(struct platform_device *pdev)
+static int __devinit dw_mci_pltfm_probe(struct platform_device *pdev)
+{
+	return dw_mci_pltfm_register(pdev, NULL);
+}
+
+static int __devexit dw_mci_pltfm_remove(struct platform_device *pdev)
 {
 	struct dw_mci *host = platform_get_drvdata(pdev);
 
 	platform_set_drvdata(pdev, NULL);
 	dw_mci_remove(host);
-	iounmap(host->regs);
-	kfree(host);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(dw_mci_pltfm_remove);
 
 #ifdef CONFIG_PM_SLEEP
 /*
@@ -105,12 +109,20 @@ static int dw_mci_pltfm_resume(struct device *dev)
 #define dw_mci_pltfm_resume	NULL
 #endif /* CONFIG_PM_SLEEP */
 
-static SIMPLE_DEV_PM_OPS(dw_mci_pltfm_pmops, dw_mci_pltfm_suspend, dw_mci_pltfm_resume);
+SIMPLE_DEV_PM_OPS(dw_mci_pltfm_pmops, dw_mci_pltfm_suspend, dw_mci_pltfm_resume);
+EXPORT_SYMBOL_GPL(dw_mci_pltfm_pmops);
+
+static const struct of_device_id dw_mci_pltfm_match[] = {
+	{ .compatible = "snps,dw-mshc", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
 
 static struct platform_driver dw_mci_pltfm_driver = {
 	.remove		= __exit_p(dw_mci_pltfm_remove),
 	.driver		= {
 		.name		= "dw_mmc",
+		.of_match_table	= of_match_ptr(dw_mci_pltfm_match),
 		.pm		= &dw_mci_pltfm_pmops,
 	},
 };
diff --git a/drivers/mmc/host/dw_mmc-pltfm.h b/drivers/mmc/host/dw_mmc-pltfm.h
new file mode 100644
index 00000000000..301f24541fc
--- /dev/null
+++ b/drivers/mmc/host/dw_mmc-pltfm.h
@@ -0,0 +1,20 @@
+/*
+ * Synopsys DesignWare Multimedia Card Interface Platform driver
+ *
+ * Copyright (C) 2012, Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _DW_MMC_PLTFM_H_
+#define _DW_MMC_PLTFM_H_
+
+extern int dw_mci_pltfm_register(struct platform_device *pdev,
+				struct dw_mci_drv_data *drv_data);
+extern int __devexit dw_mci_pltfm_remove(struct platform_device *pdev);
+extern const struct dev_pm_ops dw_mci_pltfm_pmops;
+
+#endif /* _DW_MMC_PLTFM_H_ */
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index af40d227bec..c2828f35c3b 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -33,6 +33,7 @@
 #include <linux/bitops.h>
 #include <linux/regulator/consumer.h>
 #include <linux/workqueue.h>
+#include <linux/of.h>
 
 #include "dw_mmc.h"
 
@@ -230,6 +231,7 @@ static void dw_mci_set_timeout(struct dw_mci *host)
 static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd)
 {
 	struct mmc_data	*data;
+	struct dw_mci_slot *slot = mmc_priv(mmc);
 	u32 cmdr;
 	cmd->error = -EINPROGRESS;
 
@@ -259,6 +261,9 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd)
 			cmdr |= SDMMC_CMD_DAT_WR;
 	}
 
+	if (slot->host->drv_data->prepare_command)
+		slot->host->drv_data->prepare_command(slot->host, &cmdr);
+
 	return cmdr;
 }
 
@@ -266,7 +271,7 @@ static void dw_mci_start_command(struct dw_mci *host,
 				 struct mmc_command *cmd, u32 cmd_flags)
 {
 	host->cmd = cmd;
-	dev_vdbg(&host->dev,
+	dev_vdbg(host->dev,
 		 "start command: ARGR=0x%08x CMDR=0x%08x\n",
 		 cmd->arg, cmd_flags);
 
@@ -308,7 +313,7 @@ static void dw_mci_dma_cleanup(struct dw_mci *host)
 
 	if (data)
 		if (!data->host_cookie)
-			dma_unmap_sg(&host->dev,
+			dma_unmap_sg(host->dev,
 				     data->sg,
 				     data->sg_len,
 				     dw_mci_get_dma_dir(data));
@@ -334,7 +339,7 @@ static void dw_mci_idmac_complete_dma(struct dw_mci *host)
 {
 	struct mmc_data *data = host->data;
 
-	dev_vdbg(&host->dev, "DMA complete\n");
+	dev_vdbg(host->dev, "DMA complete\n");
 
 	host->dma_ops->cleanup(host);
 
@@ -405,23 +410,11 @@ static void dw_mci_idmac_start_dma(struct dw_mci *host, unsigned int sg_len)
 static int dw_mci_idmac_init(struct dw_mci *host)
 {
 	struct idmac_desc *p;
-	int i, dma_support;
+	int i;
 
 	/* Number of descriptors in the ring buffer */
 	host->ring_size = PAGE_SIZE / sizeof(struct idmac_desc);
 
-	/* Check if Hardware Configuration Register has support for DMA */
-	dma_support = (mci_readl(host, HCON) >> 16) & 0x3;
-
-	if (!dma_support || dma_support > 2) {
-		dev_err(&host->dev,
-			"Host Controller does not support IDMA Tx.\n");
-		host->dma_ops = NULL;
-		return -ENODEV;
-	}
-
-	dev_info(&host->dev, "Using internal DMA controller.\n");
-
 	/* Forward link the descriptor list */
 	for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++)
 		p->des3 = host->sg_dma + (sizeof(struct idmac_desc) * (i + 1));
@@ -476,7 +469,7 @@ static int dw_mci_pre_dma_transfer(struct dw_mci *host,
 			return -EINVAL;
 	}
 
-	sg_len = dma_map_sg(&host->dev,
+	sg_len = dma_map_sg(host->dev,
 			    data->sg,
 			    data->sg_len,
 			    dw_mci_get_dma_dir(data));
@@ -519,7 +512,7 @@ static void dw_mci_post_req(struct mmc_host *mmc,
 		return;
 
 	if (data->host_cookie)
-		dma_unmap_sg(&slot->host->dev,
+		dma_unmap_sg(slot->host->dev,
 			     data->sg,
 			     data->sg_len,
 			     dw_mci_get_dma_dir(data));
@@ -545,7 +538,7 @@ static int dw_mci_submit_data_dma(struct dw_mci *host, struct mmc_data *data)
 
 	host->using_dma = 1;
 
-	dev_vdbg(&host->dev,
+	dev_vdbg(host->dev,
 		 "sd sg_cpu: %#lx sg_dma: %#lx sg_len: %d\n",
 		 (unsigned long)host->sg_cpu, (unsigned long)host->sg_dma,
 		 sg_len);
@@ -814,6 +807,9 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		slot->clock = ios->clock;
 	}
 
+	if (slot->host->drv_data->set_ios)
+		slot->host->drv_data->set_ios(slot->host, ios);
+
 	switch (ios->power_mode) {
 	case MMC_POWER_UP:
 		set_bit(DW_MMC_CARD_NEED_INIT, &slot->flags);
@@ -830,7 +826,9 @@ static int dw_mci_get_ro(struct mmc_host *mmc)
 	struct dw_mci_board *brd = slot->host->pdata;
 
 	/* Use platform get_ro function, else try on board write protect */
-	if (brd->get_ro)
+	if (brd->quirks & DW_MCI_QUIRK_NO_WRITE_PROTECT)
+		read_only = 0;
+	else if (brd->get_ro)
 		read_only = brd->get_ro(slot->id);
 	else
 		read_only =
@@ -939,12 +937,12 @@ static void dw_mci_request_end(struct dw_mci *host, struct mmc_request *mrq)
 		slot = list_entry(host->queue.next,
 				  struct dw_mci_slot, queue_node);
 		list_del(&slot->queue_node);
-		dev_vdbg(&host->dev, "list not empty: %s is next\n",
+		dev_vdbg(host->dev, "list not empty: %s is next\n",
 			 mmc_hostname(slot->mmc));
 		host->state = STATE_SENDING_CMD;
 		dw_mci_start_request(host, slot);
 	} else {
-		dev_vdbg(&host->dev, "list empty\n");
+		dev_vdbg(host->dev, "list empty\n");
 		host->state = STATE_IDLE;
 	}
 
@@ -1083,7 +1081,7 @@ static void dw_mci_tasklet_func(unsigned long priv)
 					data->bytes_xfered = 0;
 					data->error = -ETIMEDOUT;
 				} else {
-					dev_err(&host->dev,
+					dev_err(host->dev,
 						"data FIFO error "
 						"(status=%08x)\n",
 						status);
@@ -1767,12 +1765,60 @@ static void dw_mci_work_routine_card(struct work_struct *work)
 	}
 }
 
-static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
+#ifdef CONFIG_OF
+/* given a slot id, find out the device node representing that slot */
+static struct device_node *dw_mci_of_find_slot_node(struct device *dev, u8 slot)
+{
+	struct device_node *np;
+	const __be32 *addr;
+	int len;
+
+	if (!dev || !dev->of_node)
+		return NULL;
+
+	for_each_child_of_node(dev->of_node, np) {
+		addr = of_get_property(np, "reg", &len);
+		if (!addr || (len < sizeof(int)))
+			continue;
+		if (be32_to_cpup(addr) == slot)
+			return np;
+	}
+	return NULL;
+}
+
+/* find out bus-width for a given slot */
+static u32 dw_mci_of_get_bus_wd(struct device *dev, u8 slot)
+{
+	struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
+	u32 bus_wd = 1;
+
+	if (!np)
+		return 1;
+
+	if (of_property_read_u32(np, "bus-width", &bus_wd))
+		dev_err(dev, "bus-width property not found, assuming width"
+			       " as 1\n");
+	return bus_wd;
+}
+#else /* CONFIG_OF */
+static u32 dw_mci_of_get_bus_wd(struct device *dev, u8 slot)
+{
+	return 1;
+}
+static struct device_node *dw_mci_of_find_slot_node(struct device *dev, u8 slot)
+{
+	return NULL;
+}
+#endif /* CONFIG_OF */
+
+static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 {
 	struct mmc_host *mmc;
 	struct dw_mci_slot *slot;
+	int ctrl_id, ret;
+	u8 bus_width;
 
-	mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), &host->dev);
+	mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), host->dev);
 	if (!mmc)
 		return -ENOMEM;
 
@@ -1780,6 +1826,7 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 	slot->id = id;
 	slot->mmc = mmc;
 	slot->host = host;
+	host->slot[id] = slot;
 
 	mmc->ops = &dw_mci_ops;
 	mmc->f_min = DIV_ROUND_UP(host->bus_hz, 510);
@@ -1800,21 +1847,44 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 	if (host->pdata->caps)
 		mmc->caps = host->pdata->caps;
 
+	if (host->dev->of_node) {
+		ctrl_id = of_alias_get_id(host->dev->of_node, "mshc");
+		if (ctrl_id < 0)
+			ctrl_id = 0;
+	} else {
+		ctrl_id = to_platform_device(host->dev)->id;
+	}
+	if (host->drv_data && host->drv_data->caps)
+		mmc->caps |= host->drv_data->caps[ctrl_id];
+
 	if (host->pdata->caps2)
 		mmc->caps2 = host->pdata->caps2;
 
 	if (host->pdata->get_bus_wd)
-		if (host->pdata->get_bus_wd(slot->id) >= 4)
-			mmc->caps |= MMC_CAP_4_BIT_DATA;
+		bus_width = host->pdata->get_bus_wd(slot->id);
+	else if (host->dev->of_node)
+		bus_width = dw_mci_of_get_bus_wd(host->dev, slot->id);
+	else
+		bus_width = 1;
+
+	if (host->drv_data->setup_bus) {
+		struct device_node *slot_np;
+		slot_np = dw_mci_of_find_slot_node(host->dev, slot->id);
+		ret = host->drv_data->setup_bus(host, slot_np, bus_width);
+		if (ret)
+			goto err_setup_bus;
+	}
+
+	switch (bus_width) {
+	case 8:
+		mmc->caps |= MMC_CAP_8_BIT_DATA;
+	case 4:
+		mmc->caps |= MMC_CAP_4_BIT_DATA;
+	}
 
 	if (host->pdata->quirks & DW_MCI_QUIRK_HIGHSPEED)
 		mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
 
-	if (mmc->caps2 & MMC_CAP2_POWEROFF_NOTIFY)
-		mmc->power_notify_type = MMC_HOST_PW_NOTIFY_SHORT;
-	else
-		mmc->power_notify_type = MMC_HOST_PW_NOTIFY_NONE;
-
 	if (host->pdata->blk_settings) {
 		mmc->max_segs = host->pdata->blk_settings->max_segs;
 		mmc->max_blk_size = host->pdata->blk_settings->max_blk_size;
@@ -1850,7 +1920,6 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 	else
 		clear_bit(DW_MMC_CARD_PRESENT, &slot->flags);
 
-	host->slot[id] = slot;
 	mmc_add_host(mmc);
 
 #if defined(CONFIG_DEBUG_FS)
@@ -1867,6 +1936,10 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 	queue_work(host->card_workqueue, &host->card_work);
 
 	return 0;
+
+err_setup_bus:
+	mmc_free_host(mmc);
+	return -EINVAL;
 }
 
 static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
@@ -1884,10 +1957,10 @@ static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
 static void dw_mci_init_dma(struct dw_mci *host)
 {
 	/* Alloc memory for sg translation */
-	host->sg_cpu = dma_alloc_coherent(&host->dev, PAGE_SIZE,
+	host->sg_cpu = dma_alloc_coherent(host->dev, PAGE_SIZE,
 					  &host->sg_dma, GFP_KERNEL);
 	if (!host->sg_cpu) {
-		dev_err(&host->dev, "%s: could not alloc DMA memory\n",
+		dev_err(host->dev, "%s: could not alloc DMA memory\n",
 			__func__);
 		goto no_dma;
 	}
@@ -1895,6 +1968,7 @@ static void dw_mci_init_dma(struct dw_mci *host)
 	/* Determine which DMA interface to use */
 #ifdef CONFIG_MMC_DW_IDMAC
 	host->dma_ops = &dw_mci_idmac_ops;
+	dev_info(&host->dev, "Using internal DMA controller.\n");
 #endif
 
 	if (!host->dma_ops)
@@ -1903,12 +1977,12 @@ static void dw_mci_init_dma(struct dw_mci *host)
 	if (host->dma_ops->init && host->dma_ops->start &&
 	    host->dma_ops->stop && host->dma_ops->cleanup) {
 		if (host->dma_ops->init(host)) {
-			dev_err(&host->dev, "%s: Unable to initialize "
+			dev_err(host->dev, "%s: Unable to initialize "
 				"DMA Controller.\n", __func__);
 			goto no_dma;
 		}
 	} else {
-		dev_err(&host->dev, "DMA initialization not found.\n");
+		dev_err(host->dev, "DMA initialization not found.\n");
 		goto no_dma;
 	}
 
@@ -1916,7 +1990,7 @@ static void dw_mci_init_dma(struct dw_mci *host)
 	return;
 
 no_dma:
-	dev_info(&host->dev, "Using PIO mode.\n");
+	dev_info(host->dev, "Using PIO mode.\n");
 	host->use_dma = 0;
 	return;
 }
@@ -1942,30 +2016,133 @@ static bool mci_wait_reset(struct device *dev, struct dw_mci *host)
 	return false;
 }
 
+#ifdef CONFIG_OF
+static struct dw_mci_of_quirks {
+	char *quirk;
+	int id;
+} of_quirks[] = {
+	{
+		.quirk	= "supports-highspeed",
+		.id	= DW_MCI_QUIRK_HIGHSPEED,
+	}, {
+		.quirk	= "broken-cd",
+		.id	= DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
+	},
+};
+
+static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
+{
+	struct dw_mci_board *pdata;
+	struct device *dev = host->dev;
+	struct device_node *np = dev->of_node;
+	int idx, ret;
+
+	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata) {
+		dev_err(dev, "could not allocate memory for pdata\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	/* find out number of slots supported */
+	if (of_property_read_u32(dev->of_node, "num-slots",
+				&pdata->num_slots)) {
+		dev_info(dev, "num-slots property not found, "
+				"assuming 1 slot is available\n");
+		pdata->num_slots = 1;
+	}
+
+	/* get quirks */
+	for (idx = 0; idx < ARRAY_SIZE(of_quirks); idx++)
+		if (of_get_property(np, of_quirks[idx].quirk, NULL))
+			pdata->quirks |= of_quirks[idx].id;
+
+	if (of_property_read_u32(np, "fifo-depth", &pdata->fifo_depth))
+		dev_info(dev, "fifo-depth property not found, using "
+				"value of FIFOTH register as default\n");
+
+	of_property_read_u32(np, "card-detect-delay", &pdata->detect_delay_ms);
+
+	if (host->drv_data->parse_dt) {
+		ret = host->drv_data->parse_dt(host);
+		if (ret)
+			return ERR_PTR(ret);
+	}
+
+	return pdata;
+}
+
+#else /* CONFIG_OF */
+static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
+{
+	return ERR_PTR(-EINVAL);
+}
+#endif /* CONFIG_OF */
+
 int dw_mci_probe(struct dw_mci *host)
 {
 	int width, i, ret = 0;
 	u32 fifo_size;
+	int init_slots = 0;
 
-	if (!host->pdata || !host->pdata->init) {
-		dev_err(&host->dev,
-			"Platform data must supply init function\n");
-		return -ENODEV;
+	if (!host->pdata) {
+		host->pdata = dw_mci_parse_dt(host);
+		if (IS_ERR(host->pdata)) {
+			dev_err(host->dev, "platform data not available\n");
+			return -EINVAL;
+		}
 	}
 
 	if (!host->pdata->select_slot && host->pdata->num_slots > 1) {
-		dev_err(&host->dev,
+		dev_err(host->dev,
 			"Platform data must supply select_slot function\n");
 		return -ENODEV;
 	}
 
-	if (!host->pdata->bus_hz) {
-		dev_err(&host->dev,
+	host->biu_clk = clk_get(host->dev, "biu");
+	if (IS_ERR(host->biu_clk)) {
+		dev_dbg(host->dev, "biu clock not available\n");
+	} else {
+		ret = clk_prepare_enable(host->biu_clk);
+		if (ret) {
+			dev_err(host->dev, "failed to enable biu clock\n");
+			clk_put(host->biu_clk);
+			return ret;
+		}
+	}
+
+	host->ciu_clk = clk_get(host->dev, "ciu");
+	if (IS_ERR(host->ciu_clk)) {
+		dev_dbg(host->dev, "ciu clock not available\n");
+	} else {
+		ret = clk_prepare_enable(host->ciu_clk);
+		if (ret) {
+			dev_err(host->dev, "failed to enable ciu clock\n");
+			clk_put(host->ciu_clk);
+			goto err_clk_biu;
+		}
+	}
+
+	if (IS_ERR(host->ciu_clk))
+		host->bus_hz = host->pdata->bus_hz;
+	else
+		host->bus_hz = clk_get_rate(host->ciu_clk);
+
+	if (host->drv_data->setup_clock) {
+		ret = host->drv_data->setup_clock(host);
+		if (ret) {
+			dev_err(host->dev,
+				"implementation specific clock setup failed\n");
+			goto err_clk_ciu;
+		}
+	}
+
+	if (!host->bus_hz) {
+		dev_err(host->dev,
 			"Platform data must supply bus speed\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto err_clk_ciu;
 	}
 
-	host->bus_hz = host->pdata->bus_hz;
 	host->quirks = host->pdata->quirks;
 
 	spin_lock_init(&host->lock);
@@ -1998,7 +2175,7 @@ int dw_mci_probe(struct dw_mci *host)
 	}
 
 	/* Reset all blocks */
-	if (!mci_wait_reset(&host->dev, host))
+	if (!mci_wait_reset(host->dev, host))
 		return -ENODEV;
 
 	host->dma_ops = host->pdata->dma_ops;
@@ -2054,10 +2231,18 @@ int dw_mci_probe(struct dw_mci *host)
 	/* We need at least one slot to succeed */
 	for (i = 0; i < host->num_slots; i++) {
 		ret = dw_mci_init_slot(host, i);
-		if (ret) {
-			ret = -ENODEV;
-			goto err_init_slot;
-		}
+		if (ret)
+			dev_dbg(host->dev, "slot %d init failed\n", i);
+		else
+			init_slots++;
+	}
+
+	if (init_slots) {
+		dev_info(host->dev, "%d slots initialized\n", init_slots);
+	} else {
+		dev_dbg(host->dev, "attempted to initialize %d slots, "
+					"but failed on all\n", host->num_slots);
+		goto err_init_slot;
 	}
 
 	/*
@@ -2065,7 +2250,7 @@ int dw_mci_probe(struct dw_mci *host)
 	 * Need to check the version-id and set data-offset for DATA register.
 	 */
 	host->verid = SDMMC_GET_VERID(mci_readl(host, VERID));
-	dev_info(&host->dev, "Version ID is %04x\n", host->verid);
+	dev_info(host->dev, "Version ID is %04x\n", host->verid);
 
 	if (host->verid < DW_MMC_240A)
 		host->data_offset = DATA_OFFSET;
@@ -2082,22 +2267,16 @@ int dw_mci_probe(struct dw_mci *host)
 		   DW_MCI_ERROR_FLAGS | SDMMC_INT_CD);
 	mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */
 
-	dev_info(&host->dev, "DW MMC controller at irq %d, "
+	dev_info(host->dev, "DW MMC controller at irq %d, "
 		 "%d bit host data width, "
 		 "%u deep fifo\n",
 		 host->irq, width, fifo_size);
 	if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO)
-		dev_info(&host->dev, "Internal DMAC interrupt fix enabled.\n");
+		dev_info(host->dev, "Internal DMAC interrupt fix enabled.\n");
 
 	return 0;
 
 err_init_slot:
-	/* De-init any initialized slots */
-	while (i > 0) {
-		if (host->slot[i])
-			dw_mci_cleanup_slot(host->slot[i], i);
-		i--;
-	}
 	free_irq(host->irq, host);
 
 err_workqueue:
@@ -2106,13 +2285,24 @@ err_workqueue:
 err_dmaunmap:
 	if (host->use_dma && host->dma_ops->exit)
 		host->dma_ops->exit(host);
-	dma_free_coherent(&host->dev, PAGE_SIZE,
+	dma_free_coherent(host->dev, PAGE_SIZE,
 			  host->sg_cpu, host->sg_dma);
 
 	if (host->vmmc) {
 		regulator_disable(host->vmmc);
 		regulator_put(host->vmmc);
 	}
+
+err_clk_ciu:
+	if (!IS_ERR(host->ciu_clk)) {
+		clk_disable_unprepare(host->ciu_clk);
+		clk_put(host->ciu_clk);
+	}
+err_clk_biu:
+	if (!IS_ERR(host->biu_clk)) {
+		clk_disable_unprepare(host->biu_clk);
+		clk_put(host->biu_clk);
+	}
 	return ret;
 }
 EXPORT_SYMBOL(dw_mci_probe);
@@ -2125,7 +2315,7 @@ void dw_mci_remove(struct dw_mci *host)
 	mci_writel(host, INTMASK, 0); /* disable all mmc interrupt first */
 
 	for (i = 0; i < host->num_slots; i++) {
-		dev_dbg(&host->dev, "remove slot %d\n", i);
+		dev_dbg(host->dev, "remove slot %d\n", i);
 		if (host->slot[i])
 			dw_mci_cleanup_slot(host->slot[i], i);
 	}
@@ -2136,7 +2326,7 @@ void dw_mci_remove(struct dw_mci *host)
 
 	free_irq(host->irq, host);
 	destroy_workqueue(host->card_workqueue);
-	dma_free_coherent(&host->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
+	dma_free_coherent(host->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
 
 	if (host->use_dma && host->dma_ops->exit)
 		host->dma_ops->exit(host);
@@ -2146,6 +2336,12 @@ void dw_mci_remove(struct dw_mci *host)
 		regulator_put(host->vmmc);
 	}
 
+	if (!IS_ERR(host->ciu_clk))
+		clk_disable_unprepare(host->ciu_clk);
+	if (!IS_ERR(host->biu_clk))
+		clk_disable_unprepare(host->biu_clk);
+	clk_put(host->ciu_clk);
+	clk_put(host->biu_clk);
 }
 EXPORT_SYMBOL(dw_mci_remove);
 
@@ -2188,7 +2384,7 @@ int dw_mci_resume(struct dw_mci *host)
 	if (host->vmmc)
 		regulator_enable(host->vmmc);
 
-	if (!mci_wait_reset(&host->dev, host)) {
+	if (!mci_wait_reset(host->dev, host)) {
 		ret = -ENODEV;
 		return ret;
 	}
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
index 15c27e17c23..53b8fd987e4 100644
--- a/drivers/mmc/host/dw_mmc.h
+++ b/drivers/mmc/host/dw_mmc.h
@@ -182,4 +182,28 @@ extern int dw_mci_suspend(struct dw_mci *host);
 extern int dw_mci_resume(struct dw_mci *host);
 #endif
 
+/**
+ * dw_mci driver data - dw-mshc implementation specific driver data.
+ * @caps: mmc subsystem specified capabilities of the controller(s).
+ * @init: early implementation specific initialization.
+ * @setup_clock: implementation specific clock configuration.
+ * @prepare_command: handle CMD register extensions.
+ * @set_ios: handle bus specific extensions.
+ * @parse_dt: parse implementation specific device tree properties.
+ * @setup_bus: initialize io-interface
+ *
+ * Provide controller implementation specific extensions. The usage of this
+ * data structure is fully optional and usage of each member in this structure
+ * is optional as well.
+ */
+struct dw_mci_drv_data {
+	unsigned long	*caps;
+	int		(*init)(struct dw_mci *host);
+	int		(*setup_clock)(struct dw_mci *host);
+	void		(*prepare_command)(struct dw_mci *host, u32 *cmdr);
+	void		(*set_ios)(struct dw_mci *host, struct mmc_ios *ios);
+	int		(*parse_dt)(struct dw_mci *host);
+	int		(*setup_bus)(struct dw_mci *host,
+				struct device_node *slot_np, u8 bus_width);
+};
 #endif /* _DW_MMC_H_ */
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 273306c68d5..a600eabbd6c 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1532,20 +1532,7 @@ static struct spi_driver mmc_spi_driver = {
 	.remove =	__devexit_p(mmc_spi_remove),
 };
 
-
-static int __init mmc_spi_init(void)
-{
-	return spi_register_driver(&mmc_spi_driver);
-}
-module_init(mmc_spi_init);
-
-
-static void __exit mmc_spi_exit(void)
-{
-	spi_unregister_driver(&mmc_spi_driver);
-}
-module_exit(mmc_spi_exit);
-
+module_spi_driver(mmc_spi_driver);
 
 MODULE_AUTHOR("Mike Lavender, David Brownell, "
 		"Hans-Peter Nilsson, Jan Nikitenko");
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 50ff19a6236..edc3e9baf0e 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1309,14 +1309,10 @@ static int __devinit mmci_probe(struct amba_device *dev,
 		goto host_free;
 	}
 
-	ret = clk_prepare(host->clk);
+	ret = clk_prepare_enable(host->clk);
 	if (ret)
 		goto clk_free;
 
-	ret = clk_enable(host->clk);
-	if (ret)
-		goto clk_unprep;
-
 	host->plat = plat;
 	host->variant = variant;
 	host->mclk = clk_get_rate(host->clk);
@@ -1515,9 +1511,7 @@ static int __devinit mmci_probe(struct amba_device *dev,
  err_gpio_cd:
 	iounmap(host->base);
  clk_disable:
-	clk_disable(host->clk);
- clk_unprep:
-	clk_unprepare(host->clk);
+	clk_disable_unprepare(host->clk);
  clk_free:
 	clk_put(host->clk);
  host_free:
@@ -1564,8 +1558,7 @@ static int __devexit mmci_remove(struct amba_device *dev)
 			gpio_free(host->gpio_cd);
 
 		iounmap(host->base);
-		clk_disable(host->clk);
-		clk_unprepare(host->clk);
+		clk_disable_unprepare(host->clk);
 		clk_put(host->clk);
 
 		if (host->vcc)
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 7b1161de01d..565c2e4fac7 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -44,6 +44,7 @@
 #include <mach/hardware.h>
 
 #define DRIVER_NAME "mxc-mmc"
+#define MXCMCI_TIMEOUT_MS 10000
 
 #define MMC_REG_STR_STP_CLK		0x00
 #define MMC_REG_STATUS			0x04
@@ -150,6 +151,8 @@ struct mxcmci_host {
 	int			dmareq;
 	struct dma_slave_config dma_slave_config;
 	struct imx_dma_data	dma_data;
+
+	struct timer_list	watchdog;
 };
 
 static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios);
@@ -271,9 +274,32 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
 	dmaengine_submit(host->desc);
 	dma_async_issue_pending(host->dma);
 
+	mod_timer(&host->watchdog, jiffies + msecs_to_jiffies(MXCMCI_TIMEOUT_MS));
+
 	return 0;
 }
 
+static void mxcmci_cmd_done(struct mxcmci_host *host, unsigned int stat);
+static void mxcmci_data_done(struct mxcmci_host *host, unsigned int stat);
+
+static void mxcmci_dma_callback(void *data)
+{
+	struct mxcmci_host *host = data;
+	u32 stat;
+
+	del_timer(&host->watchdog);
+
+	stat = readl(host->base + MMC_REG_STATUS);
+	writel(stat & ~STATUS_DATA_TRANS_DONE, host->base + MMC_REG_STATUS);
+
+	dev_dbg(mmc_dev(host->mmc), "%s: 0x%08x\n", __func__, stat);
+
+	if (stat & STATUS_READ_OP_DONE)
+		writel(STATUS_READ_OP_DONE, host->base + MMC_REG_STATUS);
+
+	mxcmci_data_done(host, stat);
+}
+
 static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
 		unsigned int cmdat)
 {
@@ -305,8 +331,14 @@ static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd,
 
 	int_cntr = INT_END_CMD_RES_EN;
 
-	if (mxcmci_use_dma(host))
-		int_cntr |= INT_READ_OP_EN | INT_WRITE_OP_DONE_EN;
+	if (mxcmci_use_dma(host)) {
+		if (host->dma_dir == DMA_FROM_DEVICE) {
+			host->desc->callback = mxcmci_dma_callback;
+			host->desc->callback_param = host;
+		} else {
+			int_cntr |= INT_WRITE_OP_DONE_EN;
+		}
+	}
 
 	spin_lock_irqsave(&host->lock, flags);
 	if (host->use_sdio)
@@ -345,11 +377,9 @@ static int mxcmci_finish_data(struct mxcmci_host *host, unsigned int stat)
 	struct mmc_data *data = host->data;
 	int data_error;
 
-	if (mxcmci_use_dma(host)) {
-		dmaengine_terminate_all(host->dma);
+	if (mxcmci_use_dma(host))
 		dma_unmap_sg(host->dma->device->dev, data->sg, data->sg_len,
 				host->dma_dir);
-	}
 
 	if (stat & STATUS_ERR_MASK) {
 		dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n",
@@ -624,8 +654,10 @@ static irqreturn_t mxcmci_irq(int irq, void *devid)
 		mxcmci_cmd_done(host, stat);
 
 	if (mxcmci_use_dma(host) &&
-		  (stat & (STATUS_DATA_TRANS_DONE | STATUS_WRITE_OP_DONE)))
+		  (stat & (STATUS_DATA_TRANS_DONE | STATUS_WRITE_OP_DONE))) {
+		del_timer(&host->watchdog);
 		mxcmci_data_done(host, stat);
+	}
 
 	if (host->default_irq_mask &&
 		  (stat & (STATUS_CARD_INSERTION | STATUS_CARD_REMOVAL)))
@@ -836,6 +868,34 @@ static bool filter(struct dma_chan *chan, void *param)
 	return true;
 }
 
+static void mxcmci_watchdog(unsigned long data)
+{
+	struct mmc_host *mmc = (struct mmc_host *)data;
+	struct mxcmci_host *host = mmc_priv(mmc);
+	struct mmc_request *req = host->req;
+	unsigned int stat = readl(host->base + MMC_REG_STATUS);
+
+	if (host->dma_dir == DMA_FROM_DEVICE) {
+		dmaengine_terminate_all(host->dma);
+		dev_err(mmc_dev(host->mmc),
+			"%s: read time out (status = 0x%08x)\n",
+			__func__, stat);
+	} else {
+		dev_err(mmc_dev(host->mmc),
+			"%s: write time out (status = 0x%08x)\n",
+			__func__, stat);
+		mxcmci_softreset(host);
+	}
+
+	/* Mark transfer as erroneus and inform the upper layers */
+
+	host->data->error = -ETIMEDOUT;
+	host->req = NULL;
+	host->cmd = NULL;
+	host->data = NULL;
+	mmc_request_done(host->mmc, req);
+}
+
 static const struct mmc_host_ops mxcmci_ops = {
 	.request		= mxcmci_request,
 	.set_ios		= mxcmci_set_ios,
@@ -968,6 +1028,10 @@ static int mxcmci_probe(struct platform_device *pdev)
 
 	mmc_add_host(mmc);
 
+	init_timer(&host->watchdog);
+	host->watchdog.function = &mxcmci_watchdog;
+	host->watchdog.data = (unsigned long)mmc;
+
 	return 0;
 
 out_free_irq:
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index bb4c2bf04d0..80d1e6d4b0a 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -525,7 +525,7 @@ static void mxs_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
 		writel(BM_SSP_CTRL0_SDIO_IRQ_CHECK,
 		       ssp->base + HW_SSP_CTRL0 + STMP_OFFSET_REG_SET);
 		writel(BM_SSP_CTRL1_SDIO_IRQ_EN,
-		       host->base + HW_SSP_CTRL1(host) + STMP_OFFSET_REG_SET);
+		       ssp->base + HW_SSP_CTRL1(ssp) + STMP_OFFSET_REG_SET);
 	} else {
 		writel(BM_SSP_CTRL0_SDIO_IRQ_CHECK,
 		       ssp->base + HW_SSP_CTRL0 + STMP_OFFSET_REG_CLR);
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index c6259a82954..48ad361613e 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -27,16 +27,10 @@
 #include <linux/mmc/card.h>
 #include <linux/clk.h>
 #include <linux/scatterlist.h>
-#include <linux/i2c/tps65010.h>
 #include <linux/slab.h>
 
-#include <asm/io.h>
-#include <asm/irq.h>
-
 #include <plat/mmc.h>
-#include <asm/gpio.h>
 #include <plat/dma.h>
-#include <plat/fpga.h>
 
 #define	OMAP_MMC_REG_CMD	0x00
 #define	OMAP_MMC_REG_ARGL	0x01
@@ -105,7 +99,6 @@ struct mmc_omap_slot {
 	u16			saved_con;
 	u16			bus_mode;
 	unsigned int		fclk_freq;
-	unsigned		powered:1;
 
 	struct tasklet_struct	cover_tasklet;
 	struct timer_list       cover_timer;
@@ -137,7 +130,6 @@ struct mmc_omap_host {
 	unsigned int		phys_base;
 	int			irq;
 	unsigned char		bus_mode;
-	unsigned char		hw_bus_mode;
 	unsigned int		reg_shift;
 
 	struct work_struct	cmd_abort_work;
@@ -695,22 +687,29 @@ mmc_omap_xfer_data(struct mmc_omap_host *host, int write)
 	host->buffer += nwords;
 }
 
-static inline void mmc_omap_report_irq(u16 status)
+#ifdef CONFIG_MMC_DEBUG
+static void mmc_omap_report_irq(struct mmc_omap_host *host, u16 status)
 {
 	static const char *mmc_omap_status_bits[] = {
 		"EOC", "CD", "CB", "BRS", "EOFB", "DTO", "DCRC", "CTO",
 		"CCRC", "CRW", "AF", "AE", "OCRB", "CIRQ", "CERR"
 	};
-	int i, c = 0;
+	int i;
+	char res[64], *buf = res;
+
+	buf += sprintf(buf, "MMC IRQ 0x%x:", status);
 
 	for (i = 0; i < ARRAY_SIZE(mmc_omap_status_bits); i++)
-		if (status & (1 << i)) {
-			if (c)
-				printk(" ");
-			printk("%s", mmc_omap_status_bits[i]);
-			c++;
-		}
+		if (status & (1 << i))
+			buf += sprintf(buf, " %s", mmc_omap_status_bits[i]);
+	dev_vdbg(mmc_dev(host->mmc), "%s\n", res);
 }
+#else
+static void mmc_omap_report_irq(struct mmc_omap_host *host, u16 status)
+{
+}
+#endif
+
 
 static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
 {
@@ -744,12 +743,10 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
 			cmd = host->cmd->opcode;
 		else
 			cmd = -1;
-#ifdef CONFIG_MMC_DEBUG
 		dev_dbg(mmc_dev(host->mmc), "MMC IRQ %04x (CMD %d): ",
 			status, cmd);
-		mmc_omap_report_irq(status);
-		printk("\n");
-#endif
+		mmc_omap_report_irq(host, status);
+
 		if (host->total_bytes_left) {
 			if ((status & OMAP_MMC_STAT_A_FULL) ||
 			    (status & OMAP_MMC_STAT_END_OF_DATA))
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 38adc330c00..54bfd0cc106 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -35,7 +35,6 @@
 #include <linux/mmc/core.h>
 #include <linux/mmc/mmc.h>
 #include <linux/io.h>
-#include <linux/semaphore.h>
 #include <linux/gpio.h>
 #include <linux/regulator/consumer.h>
 #include <linux/pm_runtime.h>
@@ -44,7 +43,6 @@
 #include <plat/cpu.h>
 
 /* OMAP HSMMC Host Controller Registers */
-#define OMAP_HSMMC_SYSCONFIG	0x0010
 #define OMAP_HSMMC_SYSSTATUS	0x0014
 #define OMAP_HSMMC_CON		0x002C
 #define OMAP_HSMMC_BLK		0x0104
@@ -161,8 +159,6 @@ struct omap_hsmmc_host {
 	unsigned int		dma_sg_idx;
 	unsigned char		bus_mode;
 	unsigned char		power_mode;
-	u32			*buffer;
-	u32			bytesleft;
 	int			suspended;
 	int			irq;
 	int			use_dma, dma_ch;
@@ -171,7 +167,6 @@ struct omap_hsmmc_host {
 	int			slot_id;
 	int			response_busy;
 	int			context_loss;
-	int			vdd;
 	int			protect_card;
 	int			reqs_blocked;
 	int			use_reg;
@@ -300,12 +295,12 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
 	struct regulator *reg;
 	int ocr_value = 0;
 
-	mmc_slot(host).set_power = omap_hsmmc_set_power;
-
 	reg = regulator_get(host->dev, "vmmc");
 	if (IS_ERR(reg)) {
 		dev_dbg(host->dev, "vmmc regulator missing\n");
+		return PTR_ERR(reg);
 	} else {
+		mmc_slot(host).set_power = omap_hsmmc_set_power;
 		host->vcc = reg;
 		ocr_value = mmc_regulator_get_ocrmask(reg);
 		if (!mmc_slot(host).ocr_mask) {
@@ -495,7 +490,7 @@ static void omap_hsmmc_set_clock(struct omap_hsmmc_host *host)
 	unsigned long regval;
 	unsigned long timeout;
 
-	dev_dbg(mmc_dev(host->mmc), "Set clock to %uHz\n", ios->clock);
+	dev_vdbg(mmc_dev(host->mmc), "Set clock to %uHz\n", ios->clock);
 
 	omap_hsmmc_stop_clock(host);
 
@@ -579,21 +574,8 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
 	if (host->context_loss == context_loss)
 		return 1;
 
-	/* Wait for hardware reset */
-	timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS);
-	while ((OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE) != RESETDONE
-		&& time_before(jiffies, timeout))
-		;
-
-	/* Do software reset */
-	OMAP_HSMMC_WRITE(host->base, SYSCONFIG, SOFTRESET);
-	timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS);
-	while ((OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE) != RESETDONE
-		&& time_before(jiffies, timeout))
-		;
-
-	OMAP_HSMMC_WRITE(host->base, SYSCONFIG,
-			OMAP_HSMMC_READ(host->base, SYSCONFIG) | AUTOIDLE);
+	if (!OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE)
+		return 1;
 
 	if (host->pdata->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) {
 		if (host->power_mode != MMC_POWER_OFF &&
@@ -745,7 +727,7 @@ omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
 {
 	int cmdreg = 0, resptype = 0, cmdtype = 0;
 
-	dev_dbg(mmc_dev(host->mmc), "%s: CMD%d, argument 0x%08x\n",
+	dev_vdbg(mmc_dev(host->mmc), "%s: CMD%d, argument 0x%08x\n",
 		mmc_hostname(host->mmc), cmd->opcode, cmd->arg);
 	host->cmd = cmd;
 
@@ -934,7 +916,7 @@ static void omap_hsmmc_dbg_report_irq(struct omap_hsmmc_host *host, u32 status)
 			buf += len;
 		}
 
-	dev_dbg(mmc_dev(host->mmc), "%s\n", res);
+	dev_vdbg(mmc_dev(host->mmc), "%s\n", res);
 }
 #else
 static inline void omap_hsmmc_dbg_report_irq(struct omap_hsmmc_host *host,
@@ -981,72 +963,40 @@ static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
 			__func__);
 }
 
+static void hsmmc_command_incomplete(struct omap_hsmmc_host *host, int err)
+{
+	omap_hsmmc_reset_controller_fsm(host, SRC);
+	host->cmd->error = err;
+
+	if (host->data) {
+		omap_hsmmc_reset_controller_fsm(host, SRD);
+		omap_hsmmc_dma_cleanup(host, err);
+	}
+
+}
+
 static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status)
 {
 	struct mmc_data *data;
 	int end_cmd = 0, end_trans = 0;
 
-	if (!host->req_in_progress) {
-		do {
-			OMAP_HSMMC_WRITE(host->base, STAT, status);
-			/* Flush posted write */
-			status = OMAP_HSMMC_READ(host->base, STAT);
-		} while (status & INT_EN_MASK);
-		return;
-	}
-
 	data = host->data;
-	dev_dbg(mmc_dev(host->mmc), "IRQ Status is %x\n", status);
+	dev_vdbg(mmc_dev(host->mmc), "IRQ Status is %x\n", status);
 
 	if (status & ERR) {
 		omap_hsmmc_dbg_report_irq(host, status);
-		if ((status & CMD_TIMEOUT) ||
-			(status & CMD_CRC)) {
-			if (host->cmd) {
-				if (status & CMD_TIMEOUT) {
-					omap_hsmmc_reset_controller_fsm(host,
-									SRC);
-					host->cmd->error = -ETIMEDOUT;
-				} else {
-					host->cmd->error = -EILSEQ;
-				}
-				end_cmd = 1;
-			}
-			if (host->data || host->response_busy) {
-				if (host->data)
-					omap_hsmmc_dma_cleanup(host,
-								-ETIMEDOUT);
-				host->response_busy = 0;
-				omap_hsmmc_reset_controller_fsm(host, SRD);
-			}
-		}
-		if ((status & DATA_TIMEOUT) ||
-			(status & DATA_CRC)) {
-			if (host->data || host->response_busy) {
-				int err = (status & DATA_TIMEOUT) ?
-						-ETIMEDOUT : -EILSEQ;
-
-				if (host->data)
-					omap_hsmmc_dma_cleanup(host, err);
-				else
-					host->mrq->cmd->error = err;
-				host->response_busy = 0;
-				omap_hsmmc_reset_controller_fsm(host, SRD);
-				end_trans = 1;
-			}
-		}
-		if (status & CARD_ERR) {
-			dev_dbg(mmc_dev(host->mmc),
-				"Ignoring card err CMD%d\n", host->cmd->opcode);
-			if (host->cmd)
-				end_cmd = 1;
-			if (host->data)
-				end_trans = 1;
+		if (status & (CMD_TIMEOUT | DATA_TIMEOUT))
+			hsmmc_command_incomplete(host, -ETIMEDOUT);
+		else if (status & (CMD_CRC | DATA_CRC))
+			hsmmc_command_incomplete(host, -EILSEQ);
+
+		end_cmd = 1;
+		if (host->data || host->response_busy) {
+			end_trans = 1;
+			host->response_busy = 0;
 		}
 	}
 
-	OMAP_HSMMC_WRITE(host->base, STAT, status);
-
 	if (end_cmd || ((status & CC) && host->cmd))
 		omap_hsmmc_cmd_done(host, host->cmd);
 	if ((end_trans || (status & TC)) && host->mrq)
@@ -1062,11 +1012,13 @@ static irqreturn_t omap_hsmmc_irq(int irq, void *dev_id)
 	int status;
 
 	status = OMAP_HSMMC_READ(host->base, STAT);
-	do {
+	while (status & INT_EN_MASK && host->req_in_progress) {
 		omap_hsmmc_do_irq(host, status);
+
 		/* Flush posted write */
+		OMAP_HSMMC_WRITE(host->base, STAT, status);
 		status = OMAP_HSMMC_READ(host->base, STAT);
-	} while (status & INT_EN_MASK);
+	}
 
 	return IRQ_HANDLED;
 }
@@ -1501,12 +1453,10 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		case MMC_POWER_OFF:
 			mmc_slot(host).set_power(host->dev, host->slot_id,
 						 0, 0);
-			host->vdd = 0;
 			break;
 		case MMC_POWER_UP:
 			mmc_slot(host).set_power(host->dev, host->slot_id,
 						 1, ios->vdd);
-			host->vdd = ios->vdd;
 			break;
 		case MMC_POWER_ON:
 			do_send_init_stream = 1;
@@ -1598,10 +1548,6 @@ static void omap_hsmmc_conf_bus_power(struct omap_hsmmc_host *host)
 	value = OMAP_HSMMC_READ(host->base, CAPA);
 	OMAP_HSMMC_WRITE(host->base, CAPA, value | capa);
 
-	/* Set the controller to AUTO IDLE mode */
-	value = OMAP_HSMMC_READ(host->base, SYSCONFIG);
-	OMAP_HSMMC_WRITE(host->base, SYSCONFIG, value | AUTOIDLE);
-
 	/* Set SD bus power bit */
 	set_sd_bus_power(host);
 }
@@ -1659,8 +1605,6 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
 
 	pm_runtime_get_sync(host->dev);
 
-	seq_printf(s, "SYSCONFIG:\t0x%08x\n",
-			OMAP_HSMMC_READ(host->base, SYSCONFIG));
 	seq_printf(s, "CON:\t\t0x%08x\n",
 			OMAP_HSMMC_READ(host->base, CON));
 	seq_printf(s, "HCTL:\t\t0x%08x\n",
@@ -2105,8 +2049,7 @@ static int omap_hsmmc_suspend(struct device *dev)
 	if (ret) {
 		host->suspended = 0;
 		if (host->pdata->resume) {
-			ret = host->pdata->resume(dev, host->slot_id);
-			if (ret)
+			if (host->pdata->resume(dev, host->slot_id))
 				dev_dbg(dev, "Unmask interrupt failed\n");
 		}
 		goto err;
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index ca3915dac03..3f9d6d577a9 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -30,6 +30,9 @@
 #include <linux/regulator/consumer.h>
 #include <linux/gpio.h>
 #include <linux/gfp.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/of_device.h>
 
 #include <asm/sizes.h>
 
@@ -573,6 +576,50 @@ static irqreturn_t pxamci_detect_irq(int irq, void *devid)
 	return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id pxa_mmc_dt_ids[] = {
+        { .compatible = "marvell,pxa-mmc" },
+        { }
+};
+
+MODULE_DEVICE_TABLE(of, pxa_mmc_dt_ids);
+
+static int __devinit pxamci_of_init(struct platform_device *pdev)
+{
+        struct device_node *np = pdev->dev.of_node;
+        struct pxamci_platform_data *pdata;
+        u32 tmp;
+
+        if (!np)
+                return 0;
+
+        pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+        if (!pdata)
+                return -ENOMEM;
+
+	pdata->gpio_card_detect =
+		of_get_named_gpio(np, "cd-gpios", 0);
+	pdata->gpio_card_ro =
+		of_get_named_gpio(np, "wp-gpios", 0);
+
+	/* pxa-mmc specific */
+	pdata->gpio_power =
+		of_get_named_gpio(np, "pxa-mmc,gpio-power", 0);
+
+	if (of_property_read_u32(np, "pxa-mmc,detect-delay-ms", &tmp) == 0)
+		pdata->detect_delay_ms = tmp;
+
+        pdev->dev.platform_data = pdata;
+
+        return 0;
+}
+#else
+static int __devinit pxamci_of_init(struct platform_device *pdev)
+{
+        return 0;
+}
+#endif
+
 static int pxamci_probe(struct platform_device *pdev)
 {
 	struct mmc_host *mmc;
@@ -580,6 +627,10 @@ static int pxamci_probe(struct platform_device *pdev)
 	struct resource *r, *dmarx, *dmatx;
 	int ret, irq, gpio_cd = -1, gpio_ro = -1, gpio_power = -1;
 
+	ret = pxamci_of_init(pdev);
+	if (ret)
+		return ret;
+
 	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	irq = platform_get_irq(pdev, 0);
 	if (!r || irq < 0)
@@ -866,6 +917,7 @@ static struct platform_driver pxamci_driver = {
 	.driver		= {
 		.name	= DRIVER_NAME,
 		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(pxa_mmc_dt_ids),
 #ifdef CONFIG_PM
 		.pm	= &pxamci_pm_ops,
 #endif
diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index a6e53a1ebb0..90140eb03e3 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -24,6 +24,7 @@
 #include <linux/err.h>
 #include <linux/module.h>
 #include <linux/mmc/host.h>
+#include <linux/of.h>
 
 #include "sdhci-pltfm.h"
 
@@ -126,11 +127,18 @@ static int __devexit sdhci_dove_remove(struct platform_device *pdev)
 	return sdhci_pltfm_unregister(pdev);
 }
 
+static const struct of_device_id sdhci_dove_of_match_table[] __devinitdata = {
+	{ .compatible = "marvell,dove-sdhci", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, sdhci_dove_of_match_table);
+
 static struct platform_driver sdhci_dove_driver = {
 	.driver		= {
 		.name	= "sdhci-dove",
 		.owner	= THIS_MODULE,
 		.pm	= SDHCI_PLTFM_PMOPS,
+		.of_match_table = of_match_ptr(sdhci_dove_of_match_table),
 	},
 	.probe		= sdhci_dove_probe,
 	.remove		= __devexit_p(sdhci_dove_remove),
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index f8eb1fb0c92..ae5fcbfa1ee 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -21,6 +21,32 @@
 #include "sdhci-pltfm.h"
 #include "sdhci-esdhc.h"
 
+#define VENDOR_V_22	0x12
+static u32 esdhc_readl(struct sdhci_host *host, int reg)
+{
+	u32 ret;
+
+	ret = in_be32(host->ioaddr + reg);
+	/*
+	 * The bit of ADMA flag in eSDHC is not compatible with standard
+	 * SDHC register, so set fake flag SDHCI_CAN_DO_ADMA2 when ADMA is
+	 * supported by eSDHC.
+	 * And for many FSL eSDHC controller, the reset value of field
+	 * SDHCI_CAN_DO_ADMA1 is one, but some of them can't support ADMA,
+	 * only these vendor version is greater than 2.2/0x12 support ADMA.
+	 * For FSL eSDHC, must aligned 4-byte, so use 0xFC to read the
+	 * the verdor version number, oxFE is SDHCI_HOST_VERSION.
+	 */
+	if ((reg == SDHCI_CAPABILITIES) && (ret & SDHCI_CAN_DO_ADMA1)) {
+		u32 tmp = in_be32(host->ioaddr + SDHCI_SLOT_INT_STATUS);
+		tmp = (tmp & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT;
+		if (tmp > VENDOR_V_22)
+			ret |= SDHCI_CAN_DO_ADMA2;
+	}
+
+	return ret;
+}
+
 static u16 esdhc_readw(struct sdhci_host *host, int reg)
 {
 	u16 ret;
@@ -144,7 +170,7 @@ static void esdhc_of_resume(struct sdhci_host *host)
 #endif
 
 static struct sdhci_ops sdhci_esdhc_ops = {
-	.read_l = sdhci_be32bs_readl,
+	.read_l = esdhc_readl,
 	.read_w = esdhc_readw,
 	.read_b = esdhc_readb,
 	.write_l = sdhci_be32bs_writel,
@@ -161,9 +187,13 @@ static struct sdhci_ops sdhci_esdhc_ops = {
 };
 
 static struct sdhci_pltfm_data sdhci_esdhc_pdata = {
-	/* card detection could be handled via GPIO */
+	/*
+	 * card detection could be handled via GPIO
+	 * eSDHC cannot support End Attribute in NOP ADMA descriptor
+	 */
 	.quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_BROKEN_CARD_DETECTION
-		| SDHCI_QUIRK_NO_CARD_NO_RESET,
+		| SDHCI_QUIRK_NO_CARD_NO_RESET
+		| SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
 	.ops = &sdhci_esdhc_ops,
 };
 
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 9722d43d614..4bb74b042a0 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -1476,24 +1476,7 @@ static struct pci_driver sdhci_driver = {
 	},
 };
 
-/*****************************************************************************\
- *                                                                           *
- * Driver init/exit                                                          *
- *                                                                           *
-\*****************************************************************************/
-
-static int __init sdhci_drv_init(void)
-{
-	return pci_register_driver(&sdhci_driver);
-}
-
-static void __exit sdhci_drv_exit(void)
-{
-	pci_unregister_driver(&sdhci_driver);
-}
-
-module_init(sdhci_drv_init);
-module_exit(sdhci_drv_exit);
+module_pci_driver(sdhci_driver);
 
 MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>");
 MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver");
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index d9a4ef4f1ed..65551a9709c 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -75,6 +75,9 @@ void sdhci_get_of_property(struct platform_device *pdev)
 		if (sdhci_of_wp_inverted(np))
 			host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
 
+		if (of_get_property(np, "broken-cd", NULL))
+			host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
+
 		if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc"))
 			host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
 
diff --git a/drivers/mmc/host/sdhci-pxav2.c b/drivers/mmc/host/sdhci-pxav2.c
index b6ee8857e22..8e63a9c04e3 100644
--- a/drivers/mmc/host/sdhci-pxav2.c
+++ b/drivers/mmc/host/sdhci-pxav2.c
@@ -197,7 +197,7 @@ static int __devinit sdhci_pxav2_probe(struct platform_device *pdev)
 		goto err_clk_get;
 	}
 	pltfm_host->clk = clk;
-	clk_enable(clk);
+	clk_prepare_enable(clk);
 
 	host->quirks = SDHCI_QUIRK_BROKEN_ADMA
 		| SDHCI_QUIRK_BROKEN_TIMEOUT_VAL
@@ -239,7 +239,7 @@ static int __devinit sdhci_pxav2_probe(struct platform_device *pdev)
 	return 0;
 
 err_add_host:
-	clk_disable(clk);
+	clk_disable_unprepare(clk);
 	clk_put(clk);
 err_clk_get:
 	sdhci_pltfm_free(pdev);
@@ -255,7 +255,7 @@ static int __devexit sdhci_pxav2_remove(struct platform_device *pdev)
 
 	sdhci_remove_host(host, 1);
 
-	clk_disable(pltfm_host->clk);
+	clk_disable_unprepare(pltfm_host->clk);
 	clk_put(pltfm_host->clk);
 	sdhci_pltfm_free(pdev);
 	kfree(pxa);
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index 07fe3834fe0..e918a2bb3af 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -24,12 +24,14 @@
 #include <linux/gpio.h>
 #include <linux/mmc/card.h>
 #include <linux/mmc/host.h>
+#include <linux/mmc/slot-gpio.h>
 #include <linux/platform_data/pxa_sdhci.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/of_gpio.h>
 
 #include "sdhci.h"
 #include "sdhci-pltfm.h"
@@ -182,6 +184,7 @@ static struct sdhci_pxa_platdata *pxav3_get_mmc_pdata(struct device *dev)
 	struct device_node *np = dev->of_node;
 	u32 bus_width;
 	u32 clk_delay_cycles;
+	enum of_gpio_flags gpio_flags;
 
 	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
@@ -198,6 +201,10 @@ static struct sdhci_pxa_platdata *pxav3_get_mmc_pdata(struct device *dev)
 	if (clk_delay_cycles > 0)
 		pdata->clk_delay_cycles = clk_delay_cycles;
 
+	pdata->ext_cd_gpio = of_get_named_gpio_flags(np, "cd-gpios", 0, &gpio_flags);
+	if (gpio_flags != OF_GPIO_ACTIVE_LOW)
+		pdata->host_caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
+
 	return pdata;
 }
 #else
@@ -231,14 +238,14 @@ static int __devinit sdhci_pxav3_probe(struct platform_device *pdev)
 	pltfm_host = sdhci_priv(host);
 	pltfm_host->priv = pxa;
 
-	clk = clk_get(dev, "PXA-SDHCLK");
+	clk = clk_get(dev, NULL);
 	if (IS_ERR(clk)) {
 		dev_err(dev, "failed to get io clock\n");
 		ret = PTR_ERR(clk);
 		goto err_clk_get;
 	}
 	pltfm_host->clk = clk;
-	clk_enable(clk);
+	clk_prepare_enable(clk);
 
 	host->quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL
 		| SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC
@@ -266,12 +273,25 @@ static int __devinit sdhci_pxav3_probe(struct platform_device *pdev)
 			host->quirks |= pdata->quirks;
 		if (pdata->host_caps)
 			host->mmc->caps |= pdata->host_caps;
+		if (pdata->host_caps2)
+			host->mmc->caps2 |= pdata->host_caps2;
 		if (pdata->pm_caps)
 			host->mmc->pm_caps |= pdata->pm_caps;
+
+		if (gpio_is_valid(pdata->ext_cd_gpio)) {
+			ret = mmc_gpio_request_cd(host->mmc, pdata->ext_cd_gpio);
+			if (ret) {
+				dev_err(mmc_dev(host->mmc),
+					"failed to allocate card detect gpio\n");
+				goto err_cd_req;
+			}
+		}
 	}
 
 	host->ops = &pxav3_sdhci_ops;
 
+	sdhci_get_of_property(pdev);
+
 	ret = sdhci_add_host(host);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to add host\n");
@@ -283,8 +303,10 @@ static int __devinit sdhci_pxav3_probe(struct platform_device *pdev)
 	return 0;
 
 err_add_host:
-	clk_disable(clk);
+	clk_disable_unprepare(clk);
 	clk_put(clk);
+	mmc_gpio_free_cd(host->mmc);
+err_cd_req:
 err_clk_get:
 	sdhci_pltfm_free(pdev);
 	kfree(pxa);
@@ -296,11 +318,16 @@ static int __devexit sdhci_pxav3_remove(struct platform_device *pdev)
 	struct sdhci_host *host = platform_get_drvdata(pdev);
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	struct sdhci_pxa *pxa = pltfm_host->priv;
+	struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data;
 
 	sdhci_remove_host(host, 1);
 
-	clk_disable(pltfm_host->clk);
+	clk_disable_unprepare(pltfm_host->clk);
 	clk_put(pltfm_host->clk);
+
+	if (gpio_is_valid(pdata->ext_cd_gpio))
+		mmc_gpio_free_cd(host->mmc);
+
 	sdhci_pltfm_free(pdev);
 	kfree(pxa);
 
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index a50c205ea20..2903949594c 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -34,6 +34,9 @@
 
 #define MAX_BUS_CLK	(4)
 
+/* Number of gpio's used is max data bus width + command and clock lines */
+#define NUM_GPIOS(x)	(x + 2)
+
 /**
  * struct sdhci_s3c - S3C SDHCI instance
  * @host: The SDHCI host created
@@ -41,6 +44,7 @@
  * @ioarea: The resource created when we claimed the IO area.
  * @pdata: The platform data for this controller.
  * @cur_clk: The index of the current bus clock.
+ * @gpios: List of gpio numbers parsed from device tree.
  * @clk_io: The clock for the internal bus interface.
  * @clk_bus: The clocks that are available for the SD/MMC bus clock.
  */
@@ -52,6 +56,7 @@ struct sdhci_s3c {
 	unsigned int		cur_clk;
 	int			ext_cd_irq;
 	int			ext_cd_gpio;
+	int			*gpios;
 
 	struct clk		*clk_io;
 	struct clk		*clk_bus[MAX_BUS_CLK];
@@ -166,7 +171,7 @@ static unsigned int sdhci_s3c_consider_clock(struct sdhci_s3c *ourhost,
 	dev_dbg(&ourhost->pdev->dev, "clk %d: rate %ld, want %d, got %ld\n",
 		src, rate, wanted, rate / div);
 
-	return (wanted - (rate / div));
+	return wanted - (rate / div);
 }
 
 /**
@@ -203,10 +208,12 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
 		 best_src, clock, best);
 
 	/* select the new clock source */
-
 	if (ourhost->cur_clk != best_src) {
 		struct clk *clk = ourhost->clk_bus[best_src];
 
+		clk_enable(clk);
+		clk_disable(ourhost->clk_bus[ourhost->cur_clk]);
+
 		/* turn clock off to card before changing clock source */
 		writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
 
@@ -288,6 +295,7 @@ static unsigned int sdhci_cmu_get_min_clock(struct sdhci_host *host)
 static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
 {
 	struct sdhci_s3c *ourhost = to_s3c(host);
+	struct device *dev = &ourhost->pdev->dev;
 	unsigned long timeout;
 	u16 clk = 0;
 
@@ -309,8 +317,8 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
 	while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL))
 		& SDHCI_CLOCK_INT_STABLE)) {
 		if (timeout == 0) {
-			printk(KERN_ERR "%s: Internal clock never "
-				"stabilised.\n", mmc_hostname(host->mmc));
+			dev_err(dev, "%s: Internal clock never stabilised.\n",
+				mmc_hostname(host->mmc));
 			return;
 		}
 		timeout--;
@@ -404,7 +412,9 @@ static void sdhci_s3c_setup_card_detect_gpio(struct sdhci_s3c *sc)
 		if (sc->ext_cd_irq &&
 		    request_threaded_irq(sc->ext_cd_irq, NULL,
 					 sdhci_s3c_gpio_card_detect_thread,
-					 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					 IRQF_TRIGGER_RISING |
+					 IRQF_TRIGGER_FALLING |
+					 IRQF_ONESHOT,
 					 dev_name(dev), sc) == 0) {
 			int status = gpio_get_value(sc->ext_cd_gpio);
 			if (pdata->ext_cd_gpio_invert)
@@ -419,9 +429,121 @@ static void sdhci_s3c_setup_card_detect_gpio(struct sdhci_s3c *sc)
 	}
 }
 
+#ifdef CONFIG_OF
+static int __devinit sdhci_s3c_parse_dt(struct device *dev,
+		struct sdhci_host *host, struct s3c_sdhci_platdata *pdata)
+{
+	struct device_node *node = dev->of_node;
+	struct sdhci_s3c *ourhost = to_s3c(host);
+	u32 max_width;
+	int gpio, cnt, ret;
+
+	/* if the bus-width property is not specified, assume width as 1 */
+	if (of_property_read_u32(node, "bus-width", &max_width))
+		max_width = 1;
+	pdata->max_width = max_width;
+
+	ourhost->gpios = devm_kzalloc(dev, NUM_GPIOS(pdata->max_width) *
+				sizeof(int), GFP_KERNEL);
+	if (!ourhost->gpios)
+		return -ENOMEM;
+
+	/* get the card detection method */
+	if (of_get_property(node, "broken-cd", 0)) {
+		pdata->cd_type = S3C_SDHCI_CD_NONE;
+		goto setup_bus;
+	}
+
+	if (of_get_property(node, "non-removable", 0)) {
+		pdata->cd_type = S3C_SDHCI_CD_PERMANENT;
+		goto setup_bus;
+	}
+
+	gpio = of_get_named_gpio(node, "cd-gpios", 0);
+	if (gpio_is_valid(gpio)) {
+		pdata->cd_type = S3C_SDHCI_CD_GPIO;
+		goto found_cd;
+	} else if (gpio != -ENOENT) {
+		dev_err(dev, "invalid card detect gpio specified\n");
+		return -EINVAL;
+	}
+
+	gpio = of_get_named_gpio(node, "samsung,cd-pinmux-gpio", 0);
+	if (gpio_is_valid(gpio)) {
+		pdata->cd_type = S3C_SDHCI_CD_INTERNAL;
+		goto found_cd;
+	} else if (gpio != -ENOENT) {
+		dev_err(dev, "invalid card detect gpio specified\n");
+		return -EINVAL;
+	}
+
+	dev_info(dev, "assuming no card detect line available\n");
+	pdata->cd_type = S3C_SDHCI_CD_NONE;
+
+ found_cd:
+	if (pdata->cd_type == S3C_SDHCI_CD_GPIO) {
+		pdata->ext_cd_gpio = gpio;
+		ourhost->ext_cd_gpio = -1;
+		if (of_get_property(node, "cd-inverted", NULL))
+			pdata->ext_cd_gpio_invert = 1;
+	} else if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
+		ret = gpio_request(gpio, "sdhci-cd");
+		if (ret) {
+			dev_err(dev, "card detect gpio request failed\n");
+			return -EINVAL;
+		}
+		ourhost->ext_cd_gpio = gpio;
+	}
+
+ setup_bus:
+	/* get the gpios for command, clock and data lines */
+	for (cnt = 0; cnt < NUM_GPIOS(pdata->max_width); cnt++) {
+		gpio = of_get_gpio(node, cnt);
+		if (!gpio_is_valid(gpio)) {
+			dev_err(dev, "invalid gpio[%d]\n", cnt);
+			goto err_free_dt_cd_gpio;
+		}
+		ourhost->gpios[cnt] = gpio;
+	}
+
+	for (cnt = 0; cnt < NUM_GPIOS(pdata->max_width); cnt++) {
+		ret = gpio_request(ourhost->gpios[cnt], "sdhci-gpio");
+		if (ret) {
+			dev_err(dev, "gpio[%d] request failed\n", cnt);
+			goto err_free_dt_gpios;
+		}
+	}
+
+	return 0;
+
+ err_free_dt_gpios:
+	while (--cnt >= 0)
+		gpio_free(ourhost->gpios[cnt]);
+ err_free_dt_cd_gpio:
+	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL)
+		gpio_free(ourhost->ext_cd_gpio);
+	return -EINVAL;
+}
+#else
+static int __devinit sdhci_s3c_parse_dt(struct device *dev,
+		struct sdhci_host *host, struct s3c_sdhci_platdata *pdata)
+{
+	return -EINVAL;
+}
+#endif
+
+static const struct of_device_id sdhci_s3c_dt_match[];
+
 static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data(
 			struct platform_device *pdev)
 {
+#ifdef CONFIG_OF
+	if (pdev->dev.of_node) {
+		const struct of_device_id *match;
+		match = of_match_node(sdhci_s3c_dt_match, pdev->dev.of_node);
+		return (struct sdhci_s3c_drv_data *)match->data;
+	}
+#endif
 	return (struct sdhci_s3c_drv_data *)
 			platform_get_device_id(pdev)->driver_data;
 }
@@ -436,7 +558,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	struct resource *res;
 	int ret, irq, ptr, clks;
 
-	if (!pdev->dev.platform_data) {
+	if (!pdev->dev.platform_data && !pdev->dev.of_node) {
 		dev_err(dev, "no device data specified\n");
 		return -ENOENT;
 	}
@@ -452,21 +574,28 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 		dev_err(dev, "sdhci_alloc_host() failed\n");
 		return PTR_ERR(host);
 	}
+	sc = sdhci_priv(host);
 
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata) {
 		ret = -ENOMEM;
-		goto err_io_clk;
+		goto err_pdata;
+	}
+
+	if (pdev->dev.of_node) {
+		ret = sdhci_s3c_parse_dt(&pdev->dev, host, pdata);
+		if (ret)
+			goto err_pdata;
+	} else {
+		memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata));
+		sc->ext_cd_gpio = -1; /* invalid gpio number */
 	}
-	memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata));
 
 	drv_data = sdhci_s3c_get_driver_data(pdev);
-	sc = sdhci_priv(host);
 
 	sc->host = host;
 	sc->pdev = pdev;
 	sc->pdata = pdata;
-	sc->ext_cd_gpio = -1; /* invalid gpio number */
 
 	platform_set_drvdata(pdev, host);
 
@@ -486,9 +615,8 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 
 		snprintf(name, 14, "mmc_busclk.%d", ptr);
 		clk = clk_get(dev, name);
-		if (IS_ERR(clk)) {
+		if (IS_ERR(clk))
 			continue;
-		}
 
 		clks++;
 		sc->clk_bus[ptr] = clk;
@@ -499,8 +627,6 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 		 */
 		sc->cur_clk = ptr;
 
-		clk_enable(clk);
-
 		dev_info(dev, "clock source %d: %s (%ld Hz)\n",
 			 ptr, name, clk_get_rate(clk));
 	}
@@ -511,6 +637,10 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 		goto err_no_busclks;
 	}
 
+#ifndef CONFIG_PM_RUNTIME
+	clk_enable(sc->clk_bus[sc->cur_clk]);
+#endif
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	host->ioaddr = devm_request_and_ioremap(&pdev->dev, res);
 	if (!host->ioaddr) {
@@ -616,12 +746,17 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	    gpio_is_valid(pdata->ext_cd_gpio))
 		sdhci_s3c_setup_card_detect_gpio(sc);
 
+#ifdef CONFIG_PM_RUNTIME
+	clk_disable(sc->clk_io);
+#endif
 	return 0;
 
  err_req_regs:
+#ifndef CONFIG_PM_RUNTIME
+	clk_disable(sc->clk_bus[sc->cur_clk]);
+#endif
 	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
 		if (sc->clk_bus[ptr]) {
-			clk_disable(sc->clk_bus[ptr]);
 			clk_put(sc->clk_bus[ptr]);
 		}
 	}
@@ -631,6 +766,12 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	clk_put(sc->clk_io);
 
  err_io_clk:
+	for (ptr = 0; ptr < NUM_GPIOS(sc->pdata->max_width); ptr++)
+		gpio_free(sc->gpios[ptr]);
+	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL)
+		gpio_free(sc->ext_cd_gpio);
+
+ err_pdata:
 	sdhci_free_host(host);
 
 	return ret;
@@ -638,9 +779,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 
 static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 {
-	struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data;
 	struct sdhci_host *host =  platform_get_drvdata(pdev);
 	struct sdhci_s3c *sc = sdhci_priv(host);
+	struct s3c_sdhci_platdata *pdata = sc->pdata;
 	int ptr;
 
 	if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
@@ -652,19 +793,30 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 	if (gpio_is_valid(sc->ext_cd_gpio))
 		gpio_free(sc->ext_cd_gpio);
 
+#ifdef CONFIG_PM_RUNTIME
+	clk_enable(sc->clk_io);
+#endif
 	sdhci_remove_host(host, 1);
 
+	pm_runtime_dont_use_autosuspend(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
-	for (ptr = 0; ptr < 3; ptr++) {
+#ifndef CONFIG_PM_RUNTIME
+	clk_disable(sc->clk_bus[sc->cur_clk]);
+#endif
+	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
 		if (sc->clk_bus[ptr]) {
-			clk_disable(sc->clk_bus[ptr]);
 			clk_put(sc->clk_bus[ptr]);
 		}
 	}
 	clk_disable(sc->clk_io);
 	clk_put(sc->clk_io);
 
+	if (pdev->dev.of_node) {
+		for (ptr = 0; ptr < NUM_GPIOS(sc->pdata->max_width); ptr++)
+			gpio_free(sc->gpios[ptr]);
+	}
+
 	sdhci_free_host(host);
 	platform_set_drvdata(pdev, NULL);
 
@@ -691,15 +843,28 @@ static int sdhci_s3c_resume(struct device *dev)
 static int sdhci_s3c_runtime_suspend(struct device *dev)
 {
 	struct sdhci_host *host = dev_get_drvdata(dev);
+	struct sdhci_s3c *ourhost = to_s3c(host);
+	struct clk *busclk = ourhost->clk_io;
+	int ret;
+
+	ret = sdhci_runtime_suspend_host(host);
 
-	return sdhci_runtime_suspend_host(host);
+	clk_disable(ourhost->clk_bus[ourhost->cur_clk]);
+	clk_disable(busclk);
+	return ret;
 }
 
 static int sdhci_s3c_runtime_resume(struct device *dev)
 {
 	struct sdhci_host *host = dev_get_drvdata(dev);
+	struct sdhci_s3c *ourhost = to_s3c(host);
+	struct clk *busclk = ourhost->clk_io;
+	int ret;
 
-	return sdhci_runtime_resume_host(host);
+	clk_enable(busclk);
+	clk_enable(ourhost->clk_bus[ourhost->cur_clk]);
+	ret = sdhci_runtime_resume_host(host);
+	return ret;
 }
 #endif
 
@@ -737,6 +902,16 @@ static struct platform_device_id sdhci_s3c_driver_ids[] = {
 };
 MODULE_DEVICE_TABLE(platform, sdhci_s3c_driver_ids);
 
+#ifdef CONFIG_OF
+static const struct of_device_id sdhci_s3c_dt_match[] = {
+	{ .compatible = "samsung,s3c6410-sdhci", },
+	{ .compatible = "samsung,exynos4210-sdhci",
+		.data = (void *)EXYNOS4_SDHCI_DRV_DATA },
+	{},
+};
+MODULE_DEVICE_TABLE(of, sdhci_s3c_dt_match);
+#endif
+
 static struct platform_driver sdhci_s3c_driver = {
 	.probe		= sdhci_s3c_probe,
 	.remove		= __devexit_p(sdhci_s3c_remove),
@@ -744,6 +919,7 @@ static struct platform_driver sdhci_s3c_driver = {
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "s3c-sdhci",
+		.of_match_table = of_match_ptr(sdhci_s3c_dt_match),
 		.pm	= SDHCI_S3C_PMOPS,
 	},
 };
diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c
index 423da8194cd..6be89c032de 100644
--- a/drivers/mmc/host/sdhci-spear.c
+++ b/drivers/mmc/host/sdhci-spear.c
@@ -20,6 +20,8 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
 #include <linux/slab.h>
@@ -68,8 +70,42 @@ static irqreturn_t sdhci_gpio_irq(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_OF
+static struct sdhci_plat_data * __devinit
+sdhci_probe_config_dt(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct sdhci_plat_data *pdata = NULL;
+	int cd_gpio;
+
+	cd_gpio = of_get_named_gpio(np, "cd-gpios", 0);
+	if (!gpio_is_valid(cd_gpio))
+		cd_gpio = -1;
+
+	/* If pdata is required */
+	if (cd_gpio != -1) {
+		pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+		if (!pdata) {
+			dev_err(&pdev->dev, "DT: kzalloc failed\n");
+			return ERR_PTR(-ENOMEM);
+		}
+	}
+
+	pdata->card_int_gpio = cd_gpio;
+
+	return pdata;
+}
+#else
+static struct sdhci_plat_data * __devinit
+sdhci_probe_config_dt(struct platform_device *pdev)
+{
+	return ERR_PTR(-ENOSYS);
+}
+#endif
+
 static int __devinit sdhci_probe(struct platform_device *pdev)
 {
+	struct device_node *np = pdev->dev.of_node;
 	struct sdhci_host *host;
 	struct resource *iomem;
 	struct spear_sdhci *sdhci;
@@ -104,14 +140,22 @@ static int __devinit sdhci_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	ret = clk_enable(sdhci->clk);
+	ret = clk_prepare_enable(sdhci->clk);
 	if (ret) {
 		dev_dbg(&pdev->dev, "Error enabling clock\n");
 		goto put_clk;
 	}
 
-	/* overwrite platform_data */
-	sdhci->data = dev_get_platdata(&pdev->dev);
+	if (np) {
+		sdhci->data = sdhci_probe_config_dt(pdev);
+		if (IS_ERR(sdhci->data)) {
+			dev_err(&pdev->dev, "DT: Failed to get pdata\n");
+			return -ENODEV;
+		}
+	} else {
+		sdhci->data = dev_get_platdata(&pdev->dev);
+	}
+
 	pdev->dev.platform_data = sdhci;
 
 	if (pdev->dev.parent)
@@ -216,7 +260,7 @@ set_drvdata:
 free_host:
 	sdhci_free_host(host);
 disable_clk:
-	clk_disable(sdhci->clk);
+	clk_disable_unprepare(sdhci->clk);
 put_clk:
 	clk_put(sdhci->clk);
 err:
@@ -238,7 +282,7 @@ static int __devexit sdhci_remove(struct platform_device *pdev)
 
 	sdhci_remove_host(host, dead);
 	sdhci_free_host(host);
-	clk_disable(sdhci->clk);
+	clk_disable_unprepare(sdhci->clk);
 	clk_put(sdhci->clk);
 
 	return 0;
@@ -253,7 +297,7 @@ static int sdhci_suspend(struct device *dev)
 
 	ret = sdhci_suspend_host(host);
 	if (!ret)
-		clk_disable(sdhci->clk);
+		clk_disable_unprepare(sdhci->clk);
 
 	return ret;
 }
@@ -264,7 +308,7 @@ static int sdhci_resume(struct device *dev)
 	struct spear_sdhci *sdhci = dev_get_platdata(dev);
 	int ret;
 
-	ret = clk_enable(sdhci->clk);
+	ret = clk_prepare_enable(sdhci->clk);
 	if (ret) {
 		dev_dbg(dev, "Resume: Error enabling clock\n");
 		return ret;
@@ -276,11 +320,20 @@ static int sdhci_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(sdhci_pm_ops, sdhci_suspend, sdhci_resume);
 
+#ifdef CONFIG_OF
+static const struct of_device_id sdhci_spear_id_table[] = {
+	{ .compatible = "st,spear300-sdhci" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, sdhci_spear_id_table);
+#endif
+
 static struct platform_driver sdhci_driver = {
 	.driver = {
 		.name	= "sdhci",
 		.owner	= THIS_MODULE,
 		.pm	= &sdhci_pm_ops,
+		.of_match_table = of_match_ptr(sdhci_spear_id_table),
 	},
 	.probe		= sdhci_probe,
 	.remove		= __devexit_p(sdhci_remove),
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index d43e7462941..f9eb9162370 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -27,7 +27,6 @@
 
 #include <asm/gpio.h>
 
-#include <mach/gpio-tegra.h>
 #include <linux/platform_data/mmc-sdhci-tegra.h>
 
 #include "sdhci-pltfm.h"
@@ -257,10 +256,9 @@ static int __devinit sdhci_tegra_probe(struct platform_device *pdev)
 	int rc;
 
 	match = of_match_device(sdhci_tegra_dt_match, &pdev->dev);
-	if (match)
-		soc_data = match->data;
-	else
-		soc_data = &soc_data_tegra20;
+	if (!match)
+		return -EINVAL;
+	soc_data = match->data;
 
 	host = sdhci_pltfm_init(pdev, soc_data->pdata);
 	if (IS_ERR(host))
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 9a11dc39921..7922adb4238 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -28,6 +28,7 @@
 #include <linux/mmc/mmc.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
+#include <linux/mmc/slot-gpio.h>
 
 #include "sdhci.h"
 
@@ -1293,6 +1294,13 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
 				SDHCI_CARD_PRESENT;
 
+	/* If we're using a cd-gpio, testing the presence bit might fail. */
+	if (!present) {
+		int ret = mmc_gpio_get_cd(host->mmc);
+		if (ret > 0)
+			present = true;
+	}
+
 	if (!present || host->flags & SDHCI_DEVICE_DEAD) {
 		host->mrq->cmd->error = -ENOMEDIUM;
 		tasklet_schedule(&host->finish_tasklet);
@@ -1597,57 +1605,65 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
-static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
-						struct mmc_ios *ios)
+static int sdhci_do_3_3v_signal_voltage_switch(struct sdhci_host *host,
+						u16 ctrl)
 {
-	u8 pwr;
-	u16 clk, ctrl;
-	u32 present_state;
+	int ret;
 
-	/*
-	 * Signal Voltage Switching is only applicable for Host Controllers
-	 * v3.00 and above.
-	 */
-	if (host->version < SDHCI_SPEC_300)
-		return 0;
+	/* Set 1.8V Signal Enable in the Host Control2 register to 0 */
+	ctrl &= ~SDHCI_CTRL_VDD_180;
+	sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
 
-	/*
-	 * We first check whether the request is to set signalling voltage
-	 * to 3.3V. If so, we change the voltage to 3.3V and return quickly.
-	 */
+	if (host->vqmmc) {
+		ret = regulator_set_voltage(host->vqmmc, 3300000, 3300000);
+		if (ret) {
+			pr_warning("%s: Switching to 3.3V signalling voltage "
+				   " failed\n", mmc_hostname(host->mmc));
+			return -EIO;
+		}
+	}
+	/* Wait for 5ms */
+	usleep_range(5000, 5500);
+
+	/* 3.3V regulator output should be stable within 5 ms */
 	ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
-	if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330) {
-		/* Set 1.8V Signal Enable in the Host Control2 register to 0 */
-		ctrl &= ~SDHCI_CTRL_VDD_180;
-		sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
+	if (!(ctrl & SDHCI_CTRL_VDD_180))
+		return 0;
 
-		/* Wait for 5ms */
-		usleep_range(5000, 5500);
+	pr_warning("%s: 3.3V regulator output did not became stable\n",
+		   mmc_hostname(host->mmc));
 
-		/* 3.3V regulator output should be stable within 5 ms */
-		ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
-		if (!(ctrl & SDHCI_CTRL_VDD_180))
-			return 0;
-		else {
-			pr_info(DRIVER_NAME ": Switching to 3.3V "
-				"signalling voltage failed\n");
-			return -EIO;
-		}
-	} else if (!(ctrl & SDHCI_CTRL_VDD_180) &&
-		  (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_180)) {
-		/* Stop SDCLK */
-		clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
-		clk &= ~SDHCI_CLOCK_CARD_EN;
-		sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
+	return -EIO;
+}
 
-		/* Check whether DAT[3:0] is 0000 */
-		present_state = sdhci_readl(host, SDHCI_PRESENT_STATE);
-		if (!((present_state & SDHCI_DATA_LVL_MASK) >>
-		       SDHCI_DATA_LVL_SHIFT)) {
-			/*
-			 * Enable 1.8V Signal Enable in the Host Control2
-			 * register
-			 */
+static int sdhci_do_1_8v_signal_voltage_switch(struct sdhci_host *host,
+						u16 ctrl)
+{
+	u8 pwr;
+	u16 clk;
+	u32 present_state;
+	int ret;
+
+	/* Stop SDCLK */
+	clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
+	clk &= ~SDHCI_CLOCK_CARD_EN;
+	sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
+
+	/* Check whether DAT[3:0] is 0000 */
+	present_state = sdhci_readl(host, SDHCI_PRESENT_STATE);
+	if (!((present_state & SDHCI_DATA_LVL_MASK) >>
+	       SDHCI_DATA_LVL_SHIFT)) {
+		/*
+		 * Enable 1.8V Signal Enable in the Host Control2
+		 * register
+		 */
+		if (host->vqmmc)
+			ret = regulator_set_voltage(host->vqmmc,
+				1800000, 1800000);
+		else
+			ret = 0;
+
+		if (!ret) {
 			ctrl |= SDHCI_CTRL_VDD_180;
 			sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
 
@@ -1656,7 +1672,7 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
 
 			ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
 			if (ctrl & SDHCI_CTRL_VDD_180) {
-				/* Provide SDCLK again and wait for 1ms*/
+				/* Provide SDCLK again and wait for 1ms */
 				clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
 				clk |= SDHCI_CLOCK_CARD_EN;
 				sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
@@ -1673,29 +1689,55 @@ static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
 					return 0;
 			}
 		}
+	}
 
-		/*
-		 * If we are here, that means the switch to 1.8V signaling
-		 * failed. We power cycle the card, and retry initialization
-		 * sequence by setting S18R to 0.
-		 */
-		pwr = sdhci_readb(host, SDHCI_POWER_CONTROL);
-		pwr &= ~SDHCI_POWER_ON;
-		sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
-		if (host->vmmc)
-			regulator_disable(host->vmmc);
+	/*
+	 * If we are here, that means the switch to 1.8V signaling
+	 * failed. We power cycle the card, and retry initialization
+	 * sequence by setting S18R to 0.
+	 */
+	pwr = sdhci_readb(host, SDHCI_POWER_CONTROL);
+	pwr &= ~SDHCI_POWER_ON;
+	sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
+	if (host->vmmc)
+		regulator_disable(host->vmmc);
 
-		/* Wait for 1ms as per the spec */
-		usleep_range(1000, 1500);
-		pwr |= SDHCI_POWER_ON;
-		sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
-		if (host->vmmc)
-			regulator_enable(host->vmmc);
+	/* Wait for 1ms as per the spec */
+	usleep_range(1000, 1500);
+	pwr |= SDHCI_POWER_ON;
+	sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
+	if (host->vmmc)
+		regulator_enable(host->vmmc);
 
-		pr_info(DRIVER_NAME ": Switching to 1.8V signalling "
-			"voltage failed, retrying with S18R set to 0\n");
-		return -EAGAIN;
-	} else
+	pr_warning("%s: Switching to 1.8V signalling voltage failed, "
+		   "retrying with S18R set to 0\n", mmc_hostname(host->mmc));
+
+	return -EAGAIN;
+}
+
+static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
+						struct mmc_ios *ios)
+{
+	u16 ctrl;
+
+	/*
+	 * Signal Voltage Switching is only applicable for Host Controllers
+	 * v3.00 and above.
+	 */
+	if (host->version < SDHCI_SPEC_300)
+		return 0;
+
+	/*
+	 * We first check whether the request is to set signalling voltage
+	 * to 3.3V. If so, we change the voltage to 3.3V and return quickly.
+	 */
+	ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
+	if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330)
+		return sdhci_do_3_3v_signal_voltage_switch(host, ctrl);
+	else if (!(ctrl & SDHCI_CTRL_VDD_180) &&
+			(ios->signal_voltage == MMC_SIGNAL_VOLTAGE_180))
+		return sdhci_do_1_8v_signal_voltage_switch(host, ctrl);
+	else
 		/* No signal voltage switch required */
 		return 0;
 }
@@ -2802,6 +2844,18 @@ int sdhci_add_host(struct sdhci_host *host)
 	    !(host->mmc->caps & MMC_CAP_NONREMOVABLE))
 		mmc->caps |= MMC_CAP_NEEDS_POLL;
 
+	/* If vqmmc regulator and no 1.8V signalling, then there's no UHS */
+	host->vqmmc = regulator_get(mmc_dev(mmc), "vqmmc");
+	if (IS_ERR(host->vqmmc)) {
+		pr_info("%s: no vqmmc regulator found\n", mmc_hostname(mmc));
+		host->vqmmc = NULL;
+	}
+	else if (regulator_is_supported_voltage(host->vqmmc, 1800000, 1800000))
+		regulator_enable(host->vqmmc);
+	else
+		caps[1] &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
+		       SDHCI_SUPPORT_DDR50);
+
 	/* Any UHS-I mode in caps implies SDR12 and SDR25 support. */
 	if (caps[1] & (SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
 		       SDHCI_SUPPORT_DDR50))
@@ -2832,15 +2886,6 @@ int sdhci_add_host(struct sdhci_host *host)
 	if (caps[1] & SDHCI_DRIVER_TYPE_D)
 		mmc->caps |= MMC_CAP_DRIVER_TYPE_D;
 
-	/*
-	 * If Power Off Notify capability is enabled by the host,
-	 * set notify to short power off notify timeout value.
-	 */
-	if (mmc->caps2 & MMC_CAP2_POWEROFF_NOTIFY)
-		mmc->power_notify_type = MMC_HOST_PW_NOTIFY_SHORT;
-	else
-		mmc->power_notify_type = MMC_HOST_PW_NOTIFY_NONE;
-
 	/* Initial value for re-tuning timer count */
 	host->tuning_count = (caps[1] & SDHCI_RETUNING_TIMER_COUNT_MASK) >>
 			      SDHCI_RETUNING_TIMER_COUNT_SHIFT;
@@ -2862,7 +2907,8 @@ int sdhci_add_host(struct sdhci_host *host)
 	if (IS_ERR(host->vmmc)) {
 		pr_info("%s: no vmmc regulator found\n", mmc_hostname(mmc));
 		host->vmmc = NULL;
-	}
+	} else
+		regulator_enable(host->vmmc);
 
 #ifdef CONFIG_REGULATOR
 	if (host->vmmc) {
@@ -3119,8 +3165,15 @@ void sdhci_remove_host(struct sdhci_host *host, int dead)
 	tasklet_kill(&host->card_tasklet);
 	tasklet_kill(&host->finish_tasklet);
 
-	if (host->vmmc)
+	if (host->vmmc) {
+		regulator_disable(host->vmmc);
 		regulator_put(host->vmmc);
+	}
+
+	if (host->vqmmc) {
+		regulator_disable(host->vqmmc);
+		regulator_put(host->vqmmc);
+	}
 
 	kfree(host->adma_desc);
 	kfree(host->align_buffer);
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 5d8142773fa..11d2bc3b51d 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1213,7 +1213,9 @@ static irqreturn_t sh_mmcif_intr(int irq, void *dev_id)
 		sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~INT_BUFRE);
 		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MBUFRE);
 	} else if (state & INT_DTRANE) {
-		sh_mmcif_writel(host->addr, MMCIF_CE_INT, ~INT_DTRANE);
+		sh_mmcif_writel(host->addr, MMCIF_CE_INT,
+			~(INT_CMD12DRE | INT_CMD12RBE |
+			  INT_CMD12CRE | INT_DTRANE));
 		sh_mmcif_bitclr(host, MMCIF_CE_INT_MASK, MASK_MDTRANE);
 	} else if (state & INT_CMD12RBE) {
 		sh_mmcif_writel(host->addr, MMCIF_CE_INT,
@@ -1229,6 +1231,10 @@ static irqreturn_t sh_mmcif_intr(int irq, void *dev_id)
 		host->sd_error = true;
 		dev_dbg(&host->pd->dev, "int err state = %08x\n", state);
 	}
+	if (host->state == STATE_IDLE) {
+		dev_info(&host->pd->dev, "Spurious IRQ status 0x%x", state);
+		return IRQ_HANDLED;
+	}
 	if (state & ~(INT_CMD12RBE | INT_CMD12CRE)) {
 		if (!host->dma_active)
 			return IRQ_WAKE_THREAD;
diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index 4b83c43f950..f18becef156 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -1337,21 +1337,7 @@ static struct pci_driver via_sd_driver = {
 	.resume = via_sd_resume,
 };
 
-static int __init via_sd_drv_init(void)
-{
-	pr_info(DRV_NAME ": VIA SD/MMC Card Reader driver "
-		"(C) 2008 VIA Technologies, Inc.\n");
-
-	return pci_register_driver(&via_sd_driver);
-}
-
-static void __exit via_sd_drv_exit(void)
-{
-	pci_unregister_driver(&via_sd_driver);
-}
-
-module_init(via_sd_drv_init);
-module_exit(via_sd_drv_exit);
+module_pci_driver(via_sd_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("VIA Technologies Inc.");
diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
index 58eab9ac1d0..d5655a63eda 100644
--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -2358,9 +2358,9 @@ error5:
 	 * which is contained at the end of struct mmc
 	 */
 error4:
-	usb_free_urb(command_out_urb);
-error1:
 	usb_free_urb(command_res_urb);
+error1:
+	usb_free_urb(command_out_urb);
 error0:
 	return retval;
 }
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index 8f52fc858e4..5a5cd2ace4a 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -240,7 +240,7 @@ static int parse_cmdline(char *devname, char *szstart, char *szlength)
 
 	if (*(szlength) != '+') {
 		devlength = simple_strtoul(szlength, &buffer, 0);
-		devlength = handle_unit(devlength, buffer) - devstart;
+		devlength = handle_unit(devlength, buffer);
 		if (devlength < devstart)
 			goto err_out;
 
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d5ece6ea6f9..1a03b7f673c 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2990,6 +2990,7 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip,
 	 * ID to decide what to do.
 	 */
 	if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG &&
+			(chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
 			id_data[5] != 0x00) {
 		/* Calc pagesize */
 		mtd->writesize = 2048 << (extid & 0x03);
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 7153e0d2710..b3f41f20062 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3694,7 +3694,7 @@ static int flexonenand_check_blocks_erased(struct mtd_info *mtd, int start, int
  * flexonenand_set_boundary	- Writes the SLC boundary
  * @param mtd			- mtd info structure
  */
-int flexonenand_set_boundary(struct mtd_info *mtd, int die,
+static int flexonenand_set_boundary(struct mtd_info *mtd, int die,
 				    int boundary, int lock)
 {
 	struct onenand_chip *this = mtd->priv;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b721902bb6b..b2530b00212 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1519,7 +1519,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 	/* no need to lock since we're protected by rtnl_lock */
 	if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) {
 		pr_debug("%s: NETIF_F_VLAN_CHALLENGED\n", slave_dev->name);
-		if (bond_vlan_used(bond)) {
+		if (vlan_uses_dev(bond_dev)) {
 			pr_err("%s: Error: cannot enslave VLAN challenged slave %s on VLAN enabled bond %s\n",
 			       bond_dev->name, slave_dev->name, bond_dev->name);
 			return -EPERM;
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index dc15d248443..ef8d2a080d1 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1060,7 +1060,7 @@ static ssize_t bonding_store_primary(struct device *d,
 		goto out;
 	}
 
-	sscanf(buf, "%16s", ifname); /* IFNAMSIZ */
+	sscanf(buf, "%15s", ifname); /* IFNAMSIZ */
 
 	/* check to see if we are clearing primary */
 	if (!strlen(ifname) || buf[0] == '\n') {
@@ -1237,7 +1237,7 @@ static ssize_t bonding_store_active_slave(struct device *d,
 		goto out;
 	}
 
-	sscanf(buf, "%16s", ifname); /* IFNAMSIZ */
+	sscanf(buf, "%15s", ifname); /* IFNAMSIZ */
 
 	/* check to see if we are clearing active */
 	if (!strlen(ifname) || buf[0] == '\n') {
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index c78ecfca1e4..a412bf6d73e 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -144,9 +144,22 @@
 
 #define FLEXCAN_MB_CODE_MASK		(0xf0ffffff)
 
-/* FLEXCAN hardware feature flags */
+/*
+ * FLEXCAN hardware feature flags
+ *
+ * Below is some version info we got:
+ *    SOC   Version   IP-Version  Glitch-  [TR]WRN_INT
+ *                                Filter?   connected?
+ *   MX25  FlexCAN2  03.00.00.00     no         no
+ *   MX28  FlexCAN2  03.00.04.00    yes        yes
+ *   MX35  FlexCAN2  03.00.00.00     no         no
+ *   MX53  FlexCAN2  03.00.00.00    yes         no
+ *   MX6s  FlexCAN3  10.00.12.00    yes        yes
+ *
+ * Some SOCs do not have the RX_WARN & TX_WARN interrupt line connected.
+ */
 #define FLEXCAN_HAS_V10_FEATURES	BIT(1) /* For core version >= 10 */
-#define FLEXCAN_HAS_BROKEN_ERR_STATE	BIT(2) /* Broken error state handling */
+#define FLEXCAN_HAS_BROKEN_ERR_STATE	BIT(2) /* [TR]WRN_INT not connected */
 
 /* Structure of the message buffer */
 struct flexcan_mb {
@@ -205,7 +218,7 @@ static struct flexcan_devtype_data fsl_p1010_devtype_data = {
 };
 static struct flexcan_devtype_data fsl_imx28_devtype_data;
 static struct flexcan_devtype_data fsl_imx6q_devtype_data = {
-	.features = FLEXCAN_HAS_V10_FEATURES | FLEXCAN_HAS_BROKEN_ERR_STATE,
+	.features = FLEXCAN_HAS_V10_FEATURES,
 };
 
 static const struct can_bittiming_const flexcan_bittiming_const = {
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index f5b82aeb254..6525dbcca4e 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -30,9 +30,10 @@
 
 #include "sja1000.h"
 
-MODULE_AUTHOR("Wolfgang Grandegger <wg@grandegger.com>");
+MODULE_AUTHOR("Stephane Grosjean <s.grosjean@peak-system.com>");
 MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCI family cards");
 MODULE_SUPPORTED_DEVICE("PEAK PCAN PCI/PCIe/PCIeC miniPCI CAN cards");
+MODULE_SUPPORTED_DEVICE("PEAK PCAN miniPCIe/cPCI PC/104+ PCI/104e CAN Cards");
 MODULE_LICENSE("GPL v2");
 
 #define DRV_NAME  "peak_pci"
@@ -64,7 +65,11 @@ struct peak_pci_chan {
 #define PEAK_PCI_DEVICE_ID	0x0001	/* for PCI/PCIe slot cards */
 #define PEAK_PCIEC_DEVICE_ID	0x0002	/* for ExpressCard slot cards */
 #define PEAK_PCIE_DEVICE_ID	0x0003	/* for nextgen PCIe slot cards */
-#define PEAK_MPCI_DEVICE_ID	0x0008	/* The miniPCI slot cards */
+#define PEAK_CPCI_DEVICE_ID	0x0004	/* for nextgen cPCI slot cards */
+#define PEAK_MPCI_DEVICE_ID	0x0005	/* for nextgen miniPCI slot cards */
+#define PEAK_PC_104P_DEVICE_ID	0x0006	/* PCAN-PC/104+ cards */
+#define PEAK_PCI_104E_DEVICE_ID	0x0007	/* PCAN-PCI/104 Express cards */
+#define PEAK_MPCIE_DEVICE_ID	0x0008	/* The miniPCIe slot cards */
 
 #define PEAK_PCI_CHAN_MAX	4
 
@@ -76,6 +81,10 @@ static DEFINE_PCI_DEVICE_TABLE(peak_pci_tbl) = {
 	{PEAK_PCI_VENDOR_ID, PEAK_PCI_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
 	{PEAK_PCI_VENDOR_ID, PEAK_PCIE_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
 	{PEAK_PCI_VENDOR_ID, PEAK_MPCI_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
+	{PEAK_PCI_VENDOR_ID, PEAK_MPCIE_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
+	{PEAK_PCI_VENDOR_ID, PEAK_PC_104P_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
+	{PEAK_PCI_VENDOR_ID, PEAK_PCI_104E_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
+	{PEAK_PCI_VENDOR_ID, PEAK_CPCI_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
 #ifdef CONFIG_CAN_PEAK_PCIEC
 	{PEAK_PCI_VENDOR_ID, PEAK_PCIEC_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
 #endif
diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c
index 64d0d9c1afa..3491d4312fc 100644
--- a/drivers/net/ethernet/amd/amd8111e.c
+++ b/drivers/net/ethernet/amd/amd8111e.c
@@ -1845,6 +1845,7 @@ static int __devinit amd8111e_probe_one(struct pci_dev *pdev,
 	if((pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM))==0){
 		printk(KERN_ERR "amd8111e: No Power Management capability, "
 		       "exiting.\n");
+		err = -ENODEV;
 		goto err_free_reg;
 	}
 
@@ -1852,6 +1853,7 @@ static int __devinit amd8111e_probe_one(struct pci_dev *pdev,
 	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) < 0) {
 		printk(KERN_ERR "amd8111e: DMA not supported,"
 			"exiting.\n");
+		err = -ENODEV;
 		goto err_free_reg;
 	}
 
diff --git a/drivers/net/ethernet/amd/au1000_eth.c b/drivers/net/ethernet/amd/au1000_eth.c
index 397596b078d..f195acfa2df 100644
--- a/drivers/net/ethernet/amd/au1000_eth.c
+++ b/drivers/net/ethernet/amd/au1000_eth.c
@@ -1174,8 +1174,10 @@ static int __devinit au1000_probe(struct platform_device *pdev)
 	snprintf(aup->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
 		pdev->name, aup->mac_id);
 	aup->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
-	if (aup->mii_bus->irq == NULL)
+	if (aup->mii_bus->irq == NULL) {
+		err = -ENOMEM;
 		goto err_out;
+	}
 
 	for (i = 0; i < PHY_MAX_ADDR; ++i)
 		aup->mii_bus->irq[i] = PHY_POLL;
@@ -1190,7 +1192,8 @@ static int __devinit au1000_probe(struct platform_device *pdev)
 		goto err_mdiobus_reg;
 	}
 
-	if (au1000_mii_probe(dev) != 0)
+	err = au1000_mii_probe(dev);
+	if (err != 0)
 		goto err_out;
 
 	pDBfree = NULL;
@@ -1205,6 +1208,7 @@ static int __devinit au1000_probe(struct platform_device *pdev)
 	}
 	aup->pDBfree = pDBfree;
 
+	err = -ENODEV;
 	for (i = 0; i < NUM_RX_DMA; i++) {
 		pDB = au1000_GetFreeDB(aup);
 		if (!pDB)
@@ -1213,6 +1217,8 @@ static int __devinit au1000_probe(struct platform_device *pdev)
 		aup->rx_dma_ring[i]->buff_stat = (unsigned)pDB->dma_addr;
 		aup->rx_db_inuse[i] = pDB;
 	}
+
+	err = -ENODEV;
 	for (i = 0; i < NUM_TX_DMA; i++) {
 		pDB = au1000_GetFreeDB(aup);
 		if (!pDB)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 24220992413..4833b6a9031 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2957,9 +2957,13 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			skb_shinfo(skb)->nr_frags +
 			BDS_PER_TX_PKT +
 			NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))) {
-		bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
-		netif_tx_stop_queue(txq);
-		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+		/* Handle special storage cases separately */
+		if (txdata->tx_ring_size != 0) {
+			BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+			bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
+			netif_tx_stop_queue(txq);
+		}
+
 		return NETDEV_TX_BUSY;
 	}
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index e2e45ee5df3..6dd0dd076cc 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -137,7 +137,16 @@
 #define LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
 #define LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
 
-
+#define LINK_UPDATE_MASK \
+			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
+			 LINK_STATUS_LINK_UP | \
+			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
+			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
+			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
+			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
+			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
+			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
+			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
 
 #define SFP_EEPROM_CON_TYPE_ADDR		0x2
 	#define SFP_EEPROM_CON_TYPE_VAL_LC	0x7
@@ -3295,6 +3304,21 @@ static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
 	       DEFAULT_PHY_DEV_ADDR);
 }
 
+static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
+				     struct link_params *params,
+				     u32 action)
+{
+	struct bnx2x *bp = params->bp;
+	switch (action) {
+	case PHY_INIT:
+		/* Set correct devad */
+		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
+		REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
+		       phy->def_md_devad);
+		break;
+	}
+}
+
 static void bnx2x_xgxs_deassert(struct link_params *params)
 {
 	struct bnx2x *bp = params->bp;
@@ -3309,10 +3333,8 @@ static void bnx2x_xgxs_deassert(struct link_params *params)
 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
 	udelay(500);
 	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
-
-	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
-	REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
-	       params->phy[INT_PHY].def_md_devad);
+	bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
+				 PHY_INIT);
 }
 
 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
@@ -3545,14 +3567,11 @@ static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 					struct link_params *params,
 					struct link_vars *vars) {
-	u16 val16 = 0, lane, i;
+	u16 lane, i, cl72_ctrl, an_adv = 0;
+	u16 ucode_ver;
 	struct bnx2x *bp = params->bp;
 	static struct bnx2x_reg_set reg_set[] = {
 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
-		{MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
-		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
-		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
-		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
@@ -3565,12 +3584,19 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
 				 reg_set[i].val);
 
+	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+		MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
+	cl72_ctrl &= 0xf8ff;
+	cl72_ctrl |= 0x3800;
+	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+		MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
+
 	/* Check adding advertisement for 1G KX */
 	if (((vars->line_speed == SPEED_AUTO_NEG) &&
 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
 	    (vars->line_speed == SPEED_1000)) {
 		u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
-		val16 |= (1<<5);
+		an_adv |= (1<<5);
 
 		/* Enable CL37 1G Parallel Detect */
 		bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
@@ -3580,11 +3606,14 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
 	    (vars->line_speed ==  SPEED_10000)) {
 		/* Check adding advertisement for 10G KR */
-		val16 |= (1<<7);
+		an_adv |= (1<<7);
 		/* Enable 10G Parallel Detect */
+		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+				  MDIO_AER_BLOCK_AER_REG, 0);
+
 		bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
-
+		bnx2x_set_aer_mmd(params, phy);
 		DP(NETIF_MSG_LINK, "Advertize 10G\n");
 	}
 
@@ -3604,7 +3633,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 
 	/* Advertised speeds */
 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
-			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
+			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
 
 	/* Advertised and set FEC (Forward Error Correction) */
 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
@@ -3628,9 +3657,10 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 	/* Set KR Autoneg Work-Around flag for Warpcore version older than D108
 	 */
 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
-			MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
-	if (val16 < 0xd108) {
-		DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
+			MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
+	if (ucode_ver < 0xd108) {
+		DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
+			       ucode_ver);
 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
 	}
 	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
@@ -3651,21 +3681,16 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
 				      struct link_vars *vars)
 {
 	struct bnx2x *bp = params->bp;
-	u16 i;
+	u16 val16, i, lane;
 	static struct bnx2x_reg_set reg_set[] = {
 		/* Disable Autoneg */
 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
-		{MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
 			0x3f00},
 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
-		/* Disable CL36 PCS Tx */
-		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
-		/* Double Wide Single Data Rate @ pll rate */
-		{MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
 		/* Leave cl72 training enable, needed for KR */
 		{MDIO_PMA_DEVAD,
 		MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
@@ -3676,11 +3701,24 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
 		bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
 				 reg_set[i].val);
 
-	/* Leave CL72 enabled */
-	bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
-				 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
-				 0x3800);
+	lane = bnx2x_get_warpcore_lane(phy, params);
+	/* Global registers */
+	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+			  MDIO_AER_BLOCK_AER_REG, 0);
+	/* Disable CL36 PCS Tx */
+	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
+	val16 &= ~(0x0011 << lane);
+	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
 
+	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
+	val16 |= (0x0303 << (lane << 1));
+	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
+	/* Restore AER */
+	bnx2x_set_aer_mmd(params, phy);
 	/* Set speed via PMA/PMD register */
 	bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
@@ -4303,7 +4341,7 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
 				      struct link_params *params)
 {
 	struct bnx2x *bp = params->bp;
-	u16 val16;
+	u16 val16, lane;
 	bnx2x_sfp_e3_set_transmitter(params, phy, 0);
 	bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
 	bnx2x_set_aer_mmd(params, phy);
@@ -4340,6 +4378,30 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
 			 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
 			 val16 & 0xff00);
 
+	lane = bnx2x_get_warpcore_lane(phy, params);
+	/* Disable CL36 PCS Tx */
+	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
+	val16 |= (0x11 << lane);
+	if (phy->flags & FLAGS_WC_DUAL_MODE)
+		val16 |= (0x22 << lane);
+	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
+
+	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
+	val16 &= ~(0x0303 << (lane << 1));
+	val16 |= (0x0101 << (lane << 1));
+	if (phy->flags & FLAGS_WC_DUAL_MODE) {
+		val16 &= ~(0x0c0c << (lane << 1));
+		val16 |= (0x0404 << (lane << 1));
+	}
+
+	bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
+	/* Restore AER */
+	bnx2x_set_aer_mmd(params, phy);
+
 }
 
 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
@@ -6296,15 +6358,7 @@ static int bnx2x_update_link_down(struct link_params *params,
 	vars->mac_type = MAC_TYPE_NONE;
 
 	/* Update shared memory */
-	vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
-			       LINK_STATUS_LINK_UP |
-			       LINK_STATUS_PHYSICAL_LINK_FLAG |
-			       LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
-			       LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
-			       LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
-			       LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
-			       LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
-			       LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
+	vars->link_status &= ~LINK_UPDATE_MASK;
 	vars->line_speed = 0;
 	bnx2x_update_mng(params, vars->link_status);
 
@@ -6452,6 +6506,7 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
 	u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
 	u8 active_external_phy = INT_PHY;
 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
+	vars->link_status &= ~LINK_UPDATE_MASK;
 	for (phy_index = INT_PHY; phy_index < params->num_phys;
 	      phy_index++) {
 		phy_vars[phy_index].flow_ctrl = 0;
@@ -7579,7 +7634,7 @@ static void bnx2x_warpcore_power_module(struct link_params *params,
 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
 						 struct link_params *params,
 						 u16 addr, u8 byte_cnt,
-						 u8 *o_buf)
+						 u8 *o_buf, u8 is_init)
 {
 	int rc = 0;
 	u8 i, j = 0, cnt = 0;
@@ -7596,10 +7651,10 @@ static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
 	/* 4 byte aligned address */
 	addr32 = addr & (~0x3);
 	do {
-		if (cnt == I2C_WA_PWR_ITER) {
+		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
 			bnx2x_warpcore_power_module(params, phy, 0);
 			/* Note that 100us are not enough here */
-			usleep_range(1000,1000);
+			usleep_range(1000, 2000);
 			bnx2x_warpcore_power_module(params, phy, 1);
 		}
 		rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
@@ -7719,7 +7774,7 @@ int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
 	break;
 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
 		rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
-							   byte_cnt, o_buf);
+							   byte_cnt, o_buf, 0);
 	break;
 	}
 	return rc;
@@ -7923,6 +7978,7 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
 
 {
 	u8 val;
+	int rc;
 	struct bnx2x *bp = params->bp;
 	u16 timeout;
 	/* Initialization time after hot-plug may take up to 300ms for
@@ -7930,8 +7986,14 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
 	 */
 
 	for (timeout = 0; timeout < 60; timeout++) {
-		if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
-		    == 0) {
+		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
+			rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
+								   params, 1,
+								   1, &val, 1);
+		else
+			rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
+							  &val);
+		if (rc == 0) {
 			DP(NETIF_MSG_LINK,
 			   "SFP+ module initialization took %d ms\n",
 			   timeout * 5);
@@ -7939,7 +8001,8 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
 		}
 		usleep_range(5000, 10000);
 	}
-	return -EINVAL;
+	rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
+	return rc;
 }
 
 static void bnx2x_8727_power_module(struct bnx2x *bp,
@@ -10993,7 +11056,7 @@ static struct bnx2x_phy phy_xgxs = {
 	.format_fw_ver	= (format_fw_ver_t)NULL,
 	.hw_reset	= (hw_reset_t)NULL,
 	.set_link_led	= (set_link_led_t)NULL,
-	.phy_specific_func = (phy_specific_func_t)NULL
+	.phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
 };
 static struct bnx2x_phy phy_warpcore = {
 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
@@ -11465,6 +11528,11 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
 			phy->media_type = ETH_PHY_BASE_T;
 			break;
 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
+			phy->supported &= (SUPPORTED_1000baseT_Full |
+					   SUPPORTED_10000baseT_Full |
+					   SUPPORTED_FIBRE |
+					   SUPPORTED_Pause |
+					   SUPPORTED_Asym_Pause);
 			phy->media_type = ETH_PHY_XFP_FIBER;
 			break;
 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index d5648fc666b..bd1fd3d87c2 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -6794,8 +6794,9 @@ static int bnx2x_init_hw_port(struct bnx2x *bp)
 
 	bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
 
+	bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
+
 	if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
-		bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
 
 		if (IS_MF(bp))
 			low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
@@ -11902,7 +11903,15 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev,
 	/* disable FCOE L2 queue for E1x */
 	if (CHIP_IS_E1x(bp))
 		bp->flags |= NO_FCOE_FLAG;
-
+	/* disable FCOE for 57840 device, until FW supports it */
+	switch (ent->driver_data) {
+	case BCM57840_O:
+	case BCM57840_4_10:
+	case BCM57840_2_20:
+	case BCM57840_MFO:
+	case BCM57840_MF:
+		bp->flags |= NO_FCOE_FLAG;
+	}
 #endif
 
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 71971a161bd..614981c0226 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -126,7 +126,7 @@ static inline int bnx2x_exe_queue_add(struct bnx2x *bp,
 		/* Check if this request is ok */
 		rc = o->validate(bp, o->owner, elem);
 		if (rc) {
-			BNX2X_ERR("Preamble failed: %d\n", rc);
+			DP(BNX2X_MSG_SP, "Preamble failed: %d\n", rc);
 			goto free_and_exit;
 		}
 	}
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index 2b4b4f529ab..16814b34d4b 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -375,7 +375,6 @@ struct xgmac_priv {
 	unsigned int tx_tail;
 
 	void __iomem *base;
-	struct sk_buff_head rx_recycle;
 	unsigned int dma_buf_sz;
 	dma_addr_t dma_rx_phy;
 	dma_addr_t dma_tx_phy;
@@ -672,9 +671,7 @@ static void xgmac_rx_refill(struct xgmac_priv *priv)
 		p = priv->dma_rx + entry;
 
 		if (priv->rx_skbuff[entry] == NULL) {
-			skb = __skb_dequeue(&priv->rx_recycle);
-			if (skb == NULL)
-				skb = netdev_alloc_skb(priv->dev, priv->dma_buf_sz);
+			skb = netdev_alloc_skb(priv->dev, priv->dma_buf_sz);
 			if (unlikely(skb == NULL))
 				break;
 
@@ -887,17 +884,7 @@ static void xgmac_tx_complete(struct xgmac_priv *priv)
 				       desc_get_buf_len(p), DMA_TO_DEVICE);
 		}
 
-		/*
-		 * If there's room in the queue (limit it to size)
-		 * we add this skb back into the pool,
-		 * if it's the right size.
-		 */
-		if ((skb_queue_len(&priv->rx_recycle) <
-			DMA_RX_RING_SZ) &&
-			skb_recycle_check(skb, priv->dma_buf_sz))
-			__skb_queue_head(&priv->rx_recycle, skb);
-		else
-			dev_kfree_skb(skb);
+		dev_kfree_skb(skb);
 	}
 
 	if (dma_ring_space(priv->tx_head, priv->tx_tail, DMA_TX_RING_SZ) >
@@ -1016,7 +1003,6 @@ static int xgmac_open(struct net_device *dev)
 			dev->dev_addr);
 	}
 
-	skb_queue_head_init(&priv->rx_recycle);
 	memset(&priv->xstats, 0, sizeof(struct xgmac_extra_stats));
 
 	/* Initialize the XGMAC and descriptors */
@@ -1053,7 +1039,6 @@ static int xgmac_stop(struct net_device *dev)
 		napi_disable(&priv->napi);
 
 	writel(0, priv->base + XGMAC_DMA_INTR_ENA);
-	skb_queue_purge(&priv->rx_recycle);
 
 	/* Disable the MAC core */
 	xgmac_mac_disable(priv->base);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 31752b24434..378988b5709 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -251,6 +251,8 @@ struct adapter_params {
 	unsigned char rev;                /* chip revision */
 	unsigned char offload;
 
+	unsigned char bypass;
+
 	unsigned int ofldq_wr_cred;
 };
 
@@ -642,6 +644,23 @@ extern int dbfifo_int_thresh;
 #define for_each_port(adapter, iter) \
 	for (iter = 0; iter < (adapter)->params.nports; ++iter)
 
+static inline int is_bypass(struct adapter *adap)
+{
+	return adap->params.bypass;
+}
+
+static inline int is_bypass_device(int device)
+{
+	/* this should be set based upon device capabilities */
+	switch (device) {
+	case 0x440b:
+	case 0x440c:
+		return 1;
+	default:
+		return 0;
+	}
+}
+
 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
 {
 	return adap->params.vpd.cclk / 1000;
@@ -696,6 +715,7 @@ int t4_seeprom_wp(struct adapter *adapter, bool enable);
 int get_vpd_params(struct adapter *adapter, struct vpd_params *p);
 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
+int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
 int t4_check_fw_version(struct adapter *adapter);
 int t4_prep_adapter(struct adapter *adapter);
 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 6b9f6bb2f7e..0df1284df49 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -443,7 +443,10 @@ int dbfifo_int_thresh = 10; /* 10 == 640 entry threshold */
 module_param(dbfifo_int_thresh, int, 0644);
 MODULE_PARM_DESC(dbfifo_int_thresh, "doorbell fifo interrupt threshold");
 
-int dbfifo_drain_delay = 1000; /* usecs to sleep while draining the dbfifo */
+/*
+ * usecs to sleep while draining the dbfifo
+ */
+static int dbfifo_drain_delay = 1000;
 module_param(dbfifo_drain_delay, int, 0644);
 MODULE_PARM_DESC(dbfifo_drain_delay,
 		 "usecs to sleep while draining the dbfifo");
@@ -636,7 +639,7 @@ static void name_msix_vecs(struct adapter *adap)
 static int request_msix_queue_irqs(struct adapter *adap)
 {
 	struct sge *s = &adap->sge;
-	int err, ethqidx, ofldqidx = 0, rdmaqidx = 0, msi = 2;
+	int err, ethqidx, ofldqidx = 0, rdmaqidx = 0, msi_index = 2;
 
 	err = request_irq(adap->msix_info[1].vec, t4_sge_intr_msix, 0,
 			  adap->msix_info[1].desc, &s->fw_evtq);
@@ -644,56 +647,60 @@ static int request_msix_queue_irqs(struct adapter *adap)
 		return err;
 
 	for_each_ethrxq(s, ethqidx) {
-		err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
-				  adap->msix_info[msi].desc,
+		err = request_irq(adap->msix_info[msi_index].vec,
+				  t4_sge_intr_msix, 0,
+				  adap->msix_info[msi_index].desc,
 				  &s->ethrxq[ethqidx].rspq);
 		if (err)
 			goto unwind;
-		msi++;
+		msi_index++;
 	}
 	for_each_ofldrxq(s, ofldqidx) {
-		err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
-				  adap->msix_info[msi].desc,
+		err = request_irq(adap->msix_info[msi_index].vec,
+				  t4_sge_intr_msix, 0,
+				  adap->msix_info[msi_index].desc,
 				  &s->ofldrxq[ofldqidx].rspq);
 		if (err)
 			goto unwind;
-		msi++;
+		msi_index++;
 	}
 	for_each_rdmarxq(s, rdmaqidx) {
-		err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
-				  adap->msix_info[msi].desc,
+		err = request_irq(adap->msix_info[msi_index].vec,
+				  t4_sge_intr_msix, 0,
+				  adap->msix_info[msi_index].desc,
 				  &s->rdmarxq[rdmaqidx].rspq);
 		if (err)
 			goto unwind;
-		msi++;
+		msi_index++;
 	}
 	return 0;
 
 unwind:
 	while (--rdmaqidx >= 0)
-		free_irq(adap->msix_info[--msi].vec,
+		free_irq(adap->msix_info[--msi_index].vec,
 			 &s->rdmarxq[rdmaqidx].rspq);
 	while (--ofldqidx >= 0)
-		free_irq(adap->msix_info[--msi].vec,
+		free_irq(adap->msix_info[--msi_index].vec,
 			 &s->ofldrxq[ofldqidx].rspq);
 	while (--ethqidx >= 0)
-		free_irq(adap->msix_info[--msi].vec, &s->ethrxq[ethqidx].rspq);
+		free_irq(adap->msix_info[--msi_index].vec,
+			 &s->ethrxq[ethqidx].rspq);
 	free_irq(adap->msix_info[1].vec, &s->fw_evtq);
 	return err;
 }
 
 static void free_msix_queue_irqs(struct adapter *adap)
 {
-	int i, msi = 2;
+	int i, msi_index = 2;
 	struct sge *s = &adap->sge;
 
 	free_irq(adap->msix_info[1].vec, &s->fw_evtq);
 	for_each_ethrxq(s, i)
-		free_irq(adap->msix_info[msi++].vec, &s->ethrxq[i].rspq);
+		free_irq(adap->msix_info[msi_index++].vec, &s->ethrxq[i].rspq);
 	for_each_ofldrxq(s, i)
-		free_irq(adap->msix_info[msi++].vec, &s->ofldrxq[i].rspq);
+		free_irq(adap->msix_info[msi_index++].vec, &s->ofldrxq[i].rspq);
 	for_each_rdmarxq(s, i)
-		free_irq(adap->msix_info[msi++].vec, &s->rdmarxq[i].rspq);
+		free_irq(adap->msix_info[msi_index++].vec, &s->rdmarxq[i].rspq);
 }
 
 /**
@@ -2535,9 +2542,8 @@ static int read_eq_indices(struct adapter *adap, u16 qid, u16 *pidx, u16 *cidx)
 
 	ret = t4_mem_win_read_len(adap, addr, (__be32 *)&indices, 8);
 	if (!ret) {
-		indices = be64_to_cpu(indices);
-		*cidx = (indices >> 25) & 0xffff;
-		*pidx = (indices >> 9) & 0xffff;
+		*cidx = (be64_to_cpu(indices) >> 25) & 0xffff;
+		*pidx = (be64_to_cpu(indices) >> 9) & 0xffff;
 	}
 	return ret;
 }
@@ -3410,16 +3416,6 @@ static int adap_init0_config(struct adapter *adapter, int reset)
 			 finicsum, cfcsum);
 
 	/*
-	 * If we're a pure NIC driver then disable all offloading facilities.
-	 * This will allow the firmware to optimize aspects of the hardware
-	 * configuration which will result in improved performance.
-	 */
-	caps_cmd.ofldcaps = 0;
-	caps_cmd.iscsicaps = 0;
-	caps_cmd.rdmacaps = 0;
-	caps_cmd.fcoecaps = 0;
-
-	/*
 	 * And now tell the firmware to use the configuration we just loaded.
 	 */
 	caps_cmd.op_to_write =
@@ -3507,18 +3503,6 @@ static int adap_init0_no_config(struct adapter *adapter, int reset)
 	if (ret < 0)
 		goto bye;
 
-#ifndef CONFIG_CHELSIO_T4_OFFLOAD
-	/*
-	 * If we're a pure NIC driver then disable all offloading facilities.
-	 * This will allow the firmware to optimize aspects of the hardware
-	 * configuration which will result in improved performance.
-	 */
-	caps_cmd.ofldcaps = 0;
-	caps_cmd.iscsicaps = 0;
-	caps_cmd.rdmacaps = 0;
-	caps_cmd.fcoecaps = 0;
-#endif
-
 	if (caps_cmd.niccaps & htons(FW_CAPS_CONFIG_NIC_VM)) {
 		if (!vf_acls)
 			caps_cmd.niccaps ^= htons(FW_CAPS_CONFIG_NIC_VM);
@@ -3634,10 +3618,10 @@ static int adap_init0_no_config(struct adapter *adapter, int reset)
 	 * field selections will fit in the 36-bit budget.
 	 */
 	if (tp_vlan_pri_map != TP_VLAN_PRI_MAP_DEFAULT) {
-		int i, bits = 0;
+		int j, bits = 0;
 
-		for (i = TP_VLAN_PRI_MAP_FIRST; i <= TP_VLAN_PRI_MAP_LAST; i++)
-			switch (tp_vlan_pri_map & (1 << i)) {
+		for (j = TP_VLAN_PRI_MAP_FIRST; j <= TP_VLAN_PRI_MAP_LAST; j++)
+			switch (tp_vlan_pri_map & (1 << j)) {
 			case 0:
 				/* compressed filter field not enabled */
 				break;
@@ -3739,6 +3723,7 @@ static int adap_init0(struct adapter *adap)
 	u32 v, port_vec;
 	enum dev_state state;
 	u32 params[7], val[7];
+	struct fw_caps_config_cmd caps_cmd;
 	int reset = 1, j;
 
 	/*
@@ -3892,6 +3877,9 @@ static int adap_init0(struct adapter *adap)
 			goto bye;
 	}
 
+	if (is_bypass_device(adap->pdev->device))
+		adap->params.bypass = 1;
+
 	/*
 	 * Grab some of our basic fundamental operating parameters.
 	 */
@@ -3934,13 +3922,12 @@ static int adap_init0(struct adapter *adap)
 		adap->tids.aftid_end = val[1];
 	}
 
-#ifdef CONFIG_CHELSIO_T4_OFFLOAD
 	/*
 	 * Get device capabilities so we can determine what resources we need
 	 * to manage.
 	 */
 	memset(&caps_cmd, 0, sizeof(caps_cmd));
-	caps_cmd.op_to_write = htonl(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
+	caps_cmd.op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
 				     FW_CMD_REQUEST | FW_CMD_READ);
 	caps_cmd.retval_len16 = htonl(FW_LEN16(caps_cmd));
 	ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
@@ -3985,15 +3972,6 @@ static int adap_init0(struct adapter *adap)
 		adap->vres.ddp.size = val[4] - val[3] + 1;
 		adap->params.ofldq_wr_cred = val[5];
 
-		params[0] = FW_PARAM_PFVF(ETHOFLD_START);
-		params[1] = FW_PARAM_PFVF(ETHOFLD_END);
-		ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2,
-				      params, val);
-		if ((val[0] != val[1]) && (ret >= 0)) {
-			adap->tids.uotid_base = val[0];
-			adap->tids.nuotids = val[1] - val[0] + 1;
-		}
-
 		adap->params.offload = 1;
 	}
 	if (caps_cmd.rdmacaps) {
@@ -4042,7 +4020,6 @@ static int adap_init0(struct adapter *adap)
 	}
 #undef FW_PARAM_PFVF
 #undef FW_PARAM_DEV
-#endif /* CONFIG_CHELSIO_T4_OFFLOAD */
 
 	/*
 	 * These are finalized by FW initialization, load their values now.
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index 1b899fea1a9..39bec73ff87 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -102,6 +102,9 @@ struct tid_info {
 	unsigned int ftid_base;
 	unsigned int aftid_base;
 	unsigned int aftid_end;
+	/* Server filter region */
+	unsigned int sftid_base;
+	unsigned int nsftids;
 
 	spinlock_t atid_lock ____cacheline_aligned_in_smp;
 	union aopen_entry *afree;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 137a24438d9..32eec15fe4c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -380,9 +380,11 @@ static int t4_mem_win_rw(struct adapter *adap, u32 addr, __be32 *data, int dir)
 	/* Collecting data 4 bytes at a time upto MEMWIN0_APERTURE */
 	for (i = 0; i < MEMWIN0_APERTURE; i = i+0x4) {
 		if (dir)
-			*data++ = t4_read_reg(adap, (MEMWIN0_BASE + i));
+			*data++ = (__force __be32) t4_read_reg(adap,
+							(MEMWIN0_BASE + i));
 		else
-			t4_write_reg(adap, (MEMWIN0_BASE + i), *data++);
+			t4_write_reg(adap, (MEMWIN0_BASE + i),
+				     (__force u32) *data++);
 	}
 
 	return 0;
@@ -417,7 +419,7 @@ static int t4_memory_rw(struct adapter *adap, int mtype, u32 addr, u32 len,
 	if ((addr & 0x3) || (len & 0x3))
 		return -EINVAL;
 
-	data = vmalloc(MEMWIN0_APERTURE/sizeof(__be32));
+	data = vmalloc(MEMWIN0_APERTURE);
 	if (!data)
 		return -ENOMEM;
 
@@ -744,7 +746,7 @@ static int t4_read_flash(struct adapter *adapter, unsigned int addr,
 		if (ret)
 			return ret;
 		if (byte_oriented)
-			*data = htonl(*data);
+			*data = (__force __u32) (htonl(*data));
 	}
 	return 0;
 }
@@ -992,7 +994,7 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
 	int ret, addr;
 	unsigned int i;
 	u8 first_page[SF_PAGE_SIZE];
-	const u32 *p = (const u32 *)fw_data;
+	const __be32 *p = (const __be32 *)fw_data;
 	const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
 	unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
 	unsigned int fw_img_start = adap->params.sf_fw_start;
@@ -2315,7 +2317,8 @@ int t4_mem_win_read_len(struct adapter *adap, u32 addr, __be32 *data, int len)
 	t4_read_reg(adap, PCIE_MEM_ACCESS_OFFSET);
 
 	for (i = 0; i < len; i += 4)
-		*data++ = t4_read_reg(adap, (MEMWIN0_BASE + off + i));
+		*data++ = (__force __be32) t4_read_reg(adap,
+						(MEMWIN0_BASE + off + i));
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/dec/tulip/dmfe.c b/drivers/net/ethernet/dec/tulip/dmfe.c
index 4d6fe604fa6..d23755ea9bc 100644
--- a/drivers/net/ethernet/dec/tulip/dmfe.c
+++ b/drivers/net/ethernet/dec/tulip/dmfe.c
@@ -446,13 +446,17 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
 	/* Allocate Tx/Rx descriptor memory */
 	db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) *
 			DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
-	if (!db->desc_pool_ptr)
+	if (!db->desc_pool_ptr) {
+		err = -ENOMEM;
 		goto err_out_res;
+	}
 
 	db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC *
 			TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
-	if (!db->buf_pool_ptr)
+	if (!db->buf_pool_ptr) {
+		err = -ENOMEM;
 		goto err_out_free_desc;
+	}
 
 	db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
 	db->first_tx_desc_dma = db->desc_pool_dma_ptr;
@@ -462,8 +466,10 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev,
 	db->chip_id = ent->driver_data;
 	/* IO type range. */
 	db->ioaddr = pci_iomap(pdev, 0, 0);
-	if (!db->ioaddr)
+	if (!db->ioaddr) {
+		err = -ENOMEM;
 		goto err_out_free_buf;
+	}
 
 	db->chip_revision = pdev->revision;
 	db->wol_mode = 0;
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index eb3f2cb3b93..d1b6cc58763 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2129,8 +2129,11 @@ void be_detect_error(struct be_adapter *adapter)
 		ue_hi = (ue_hi & ~ue_hi_mask);
 	}
 
-	if (ue_lo || ue_hi ||
-		sliport_status & SLIPORT_STATUS_ERR_MASK) {
+	/* On certain platforms BE hardware can indicate spurious UEs.
+	 * Allow the h/w to stop working completely in case of a real UE.
+	 * Hence not setting the hw_error for UE detection.
+	 */
+	if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
 		adapter->hw_error = true;
 		dev_err(&adapter->pdev->dev,
 			"Error detected in the card\n");
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index a1b52ec3b93..1d03dcdd5e5 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -1765,7 +1765,6 @@ static void free_skb_resources(struct gfar_private *priv)
 			  sizeof(struct rxbd8) * priv->total_rx_ring_size,
 			  priv->tx_queue[0]->tx_bd_base,
 			  priv->tx_queue[0]->tx_bd_dma_base);
-	skb_queue_purge(&priv->rx_recycle);
 }
 
 void gfar_start(struct net_device *dev)
@@ -1943,8 +1942,6 @@ static int gfar_enet_open(struct net_device *dev)
 
 	enable_napi(priv);
 
-	skb_queue_head_init(&priv->rx_recycle);
-
 	/* Initialize a bunch of registers */
 	init_registers(dev);
 
@@ -2533,16 +2530,7 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 
 		bytes_sent += skb->len;
 
-		/* If there's room in the queue (limit it to rx_buffer_size)
-		 * we add this skb back into the pool, if it's the right size
-		 */
-		if (skb_queue_len(&priv->rx_recycle) < rx_queue->rx_ring_size &&
-		    skb_recycle_check(skb, priv->rx_buffer_size +
-				      RXBUF_ALIGNMENT)) {
-			gfar_align_skb(skb);
-			skb_queue_head(&priv->rx_recycle, skb);
-		} else
-			dev_kfree_skb_any(skb);
+		dev_kfree_skb_any(skb);
 
 		tx_queue->tx_skbuff[skb_dirtytx] = NULL;
 
@@ -2608,7 +2596,7 @@ static void gfar_new_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
 static struct sk_buff *gfar_alloc_skb(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct sk_buff *skb = NULL;
+	struct sk_buff *skb;
 
 	skb = netdev_alloc_skb(dev, priv->rx_buffer_size + RXBUF_ALIGNMENT);
 	if (!skb)
@@ -2621,14 +2609,7 @@ static struct sk_buff *gfar_alloc_skb(struct net_device *dev)
 
 struct sk_buff *gfar_new_skb(struct net_device *dev)
 {
-	struct gfar_private *priv = netdev_priv(dev);
-	struct sk_buff *skb = NULL;
-
-	skb = skb_dequeue(&priv->rx_recycle);
-	if (!skb)
-		skb = gfar_alloc_skb(dev);
-
-	return skb;
+	return gfar_alloc_skb(dev);
 }
 
 static inline void count_errors(unsigned short status, struct net_device *dev)
@@ -2787,7 +2768,7 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
 			if (unlikely(!newskb))
 				newskb = skb;
 			else if (skb)
-				skb_queue_head(&priv->rx_recycle, skb);
+				dev_kfree_skb(skb);
 		} else {
 			/* Increment the number of packets */
 			rx_queue->stats.rx_packets++;
diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h
index 4141ef2ddaf..22eabc13ca9 100644
--- a/drivers/net/ethernet/freescale/gianfar.h
+++ b/drivers/net/ethernet/freescale/gianfar.h
@@ -1080,8 +1080,6 @@ struct gfar_private {
 
 	u32 cur_filer_idx;
 
-	struct sk_buff_head rx_recycle;
-
 	/* RX queue filer rule set*/
 	struct ethtool_rx_list rx_list;
 	struct mutex rx_queue_access;
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index b9db0e04056..2e5daee0438 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -478,7 +478,7 @@ static int gianfar_ptp_probe(struct platform_device *dev)
 		pr_err("no resource\n");
 		goto no_resource;
 	}
-	if (request_resource(&ioport_resource, etsects->rsrc)) {
+	if (request_resource(&iomem_resource, etsects->rsrc)) {
 		pr_err("resource busy\n");
 		goto no_resource;
 	}
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 16428843922..0a70bb55d1b 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -209,14 +209,12 @@ static struct list_head *dequeue(struct list_head *lh)
 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
 		u8 __iomem *bd)
 {
-	struct sk_buff *skb = NULL;
+	struct sk_buff *skb;
 
-	skb = __skb_dequeue(&ugeth->rx_recycle);
+	skb = netdev_alloc_skb(ugeth->ndev,
+			       ugeth->ug_info->uf_info.max_rx_buf_length +
+			       UCC_GETH_RX_DATA_BUF_ALIGNMENT);
 	if (!skb)
-		skb = netdev_alloc_skb(ugeth->ndev,
-				      ugeth->ug_info->uf_info.max_rx_buf_length +
-				      UCC_GETH_RX_DATA_BUF_ALIGNMENT);
-	if (skb == NULL)
 		return NULL;
 
 	/* We need the data buffer to be aligned properly.  We will reserve
@@ -2020,8 +2018,6 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
 		iounmap(ugeth->ug_regs);
 		ugeth->ug_regs = NULL;
 	}
-
-	skb_queue_purge(&ugeth->rx_recycle);
 }
 
 static void ucc_geth_set_multi(struct net_device *dev)
@@ -2230,8 +2226,6 @@ static int ucc_struct_init(struct ucc_geth_private *ugeth)
 		return -ENOMEM;
 	}
 
-	skb_queue_head_init(&ugeth->rx_recycle);
-
 	return 0;
 }
 
@@ -3274,12 +3268,7 @@ static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit
 			if (netif_msg_rx_err(ugeth))
 				ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
 					   __func__, __LINE__, (u32) skb);
-			if (skb) {
-				skb->data = skb->head + NET_SKB_PAD;
-				skb->len = 0;
-				skb_reset_tail_pointer(skb);
-				__skb_queue_head(&ugeth->rx_recycle, skb);
-			}
+			dev_kfree_skb(skb);
 
 			ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
 			dev->stats.rx_dropped++;
@@ -3349,13 +3338,7 @@ static int ucc_geth_tx(struct net_device *dev, u8 txQ)
 
 		dev->stats.tx_packets++;
 
-		if (skb_queue_len(&ugeth->rx_recycle) < RX_BD_RING_LEN &&
-			     skb_recycle_check(skb,
-				    ugeth->ug_info->uf_info.max_rx_buf_length +
-				    UCC_GETH_RX_DATA_BUF_ALIGNMENT))
-			__skb_queue_head(&ugeth->rx_recycle, skb);
-		else
-			dev_kfree_skb(skb);
+		dev_kfree_skb(skb);
 
 		ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
 		ugeth->skb_dirtytx[txQ] =
diff --git a/drivers/net/ethernet/freescale/ucc_geth.h b/drivers/net/ethernet/freescale/ucc_geth.h
index f71b3e7b12d..75f337163ce 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.h
+++ b/drivers/net/ethernet/freescale/ucc_geth.h
@@ -1214,8 +1214,6 @@ struct ucc_geth_private {
 	/* index of the first skb which hasn't been transmitted yet. */
 	u16 skb_dirtytx[NUM_TX_QUEUES];
 
-	struct sk_buff_head rx_recycle;
-
 	struct ugeth_mii_info *mii_info;
 	struct phy_device *phydev;
 	phy_interface_t phy_interface;
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index cb3356c9af8..04668b47a1d 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -175,13 +175,13 @@ struct e1000_info;
 /*
  * in the case of WTHRESH, it appears at least the 82571/2 hardware
  * writes back 4 descriptors when WTHRESH=5, and 3 descriptors when
- * WTHRESH=4, and since we want 64 bytes at a time written back, set
- * it to 5
+ * WTHRESH=4, so a setting of 5 gives the most efficient bus
+ * utilization but to avoid possible Tx stalls, set it to 1
  */
 #define E1000_TXDCTL_DMA_BURST_ENABLE                          \
 	(E1000_TXDCTL_GRAN | /* set descriptor granularity */  \
 	 E1000_TXDCTL_COUNT_DESC |                             \
-	 (5 << 16) | /* wthresh must be +1 more than desired */\
+	 (1 << 16) | /* wthresh must be +1 more than desired */\
 	 (1 << 8)  | /* hthresh */                             \
 	 0x1f)       /* pthresh */
 
diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h
index ed5b40985ed..d37bfd96c98 100644
--- a/drivers/net/ethernet/intel/e1000e/hw.h
+++ b/drivers/net/ethernet/intel/e1000e/hw.h
@@ -412,6 +412,8 @@ enum e1e_registers {
 #define E1000_DEV_ID_PCH2_LV_V			0x1503
 #define E1000_DEV_ID_PCH_LPT_I217_LM		0x153A
 #define E1000_DEV_ID_PCH_LPT_I217_V		0x153B
+#define E1000_DEV_ID_PCH_LPTLP_I218_LM		0x155A
+#define E1000_DEV_ID_PCH_LPTLP_I218_V		0x1559
 
 #define E1000_REVISION_4 4
 
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index fb659dd8db0..f444eb0b76d 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -2831,7 +2831,7 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
 		 * set up some performance related parameters to encourage the
 		 * hardware to use the bus more efficiently in bursts, depends
 		 * on the tx_int_delay to be enabled,
-		 * wthresh = 5 ==> burst write a cacheline (64 bytes) at a time
+		 * wthresh = 1 ==> burst write is disabled to avoid Tx stalls
 		 * hthresh = 1 ==> prefetch when one or more available
 		 * pthresh = 0x1f ==> prefetch if internal cache 31 or less
 		 * BEWARE: this seems to work but should be considered first if
@@ -6558,6 +6558,8 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
 
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_LM), board_pch_lpt },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_V), board_pch_lpt },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_LM), board_pch_lpt },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_V), board_pch_lpt },
 
 	{ 0, 0, 0, 0, 0, 0, 0 }	/* terminate list */
 };
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 5bd26763554..30efc9f0f47 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -410,7 +410,7 @@ static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
 #define IXGBE_TX_CTXTDESC(R, i)	    \
 	(&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i]))
 
-#define IXGBE_MAX_JUMBO_FRAME_SIZE        16128
+#define IXGBE_MAX_JUMBO_FRAME_SIZE	9728 /* Maximum Supported Size 9.5KB */
 #ifdef IXGBE_FCOE
 /* Use 3K as the baby jumbo frame size for FCoE */
 #define IXGBE_FCOE_JUMBO_FRAME_SIZE       3072
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 56b20d17d0e..116f0e901be 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -2673,6 +2673,9 @@ static int ixgbe_get_ts_info(struct net_device *dev,
 	case ixgbe_mac_X540:
 	case ixgbe_mac_82599EB:
 		info->so_timestamping =
+			SOF_TIMESTAMPING_TX_SOFTWARE |
+			SOF_TIMESTAMPING_RX_SOFTWARE |
+			SOF_TIMESTAMPING_SOFTWARE |
 			SOF_TIMESTAMPING_TX_HARDWARE |
 			SOF_TIMESTAMPING_RX_HARDWARE |
 			SOF_TIMESTAMPING_RAW_HARDWARE;
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index 383b4e1cd17..4a9c9c28568 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -175,7 +175,7 @@ struct ixgbevf_q_vector {
 #define IXGBEVF_TX_CTXTDESC(R, i)	    \
 	(&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i]))
 
-#define IXGBE_MAX_JUMBO_FRAME_SIZE        16128
+#define IXGBE_MAX_JUMBO_FRAME_SIZE	9728 /* Maximum Supported Size 9.5KB */
 
 #define OTHER_VECTOR 1
 #define NON_Q_VECTORS (OTHER_VECTOR)
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 0ee9bd4819f..de1ad506665 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1747,6 +1747,7 @@ err_tx_ring_allocation:
  **/
 static int ixgbevf_set_interrupt_capability(struct ixgbevf_adapter *adapter)
 {
+	struct net_device *netdev = adapter->netdev;
 	int err = 0;
 	int vector, v_budget;
 
@@ -1775,6 +1776,12 @@ static int ixgbevf_set_interrupt_capability(struct ixgbevf_adapter *adapter)
 
 	ixgbevf_acquire_msix_vectors(adapter, v_budget);
 
+	err = netif_set_real_num_tx_queues(netdev, adapter->num_tx_queues);
+	if (err)
+		goto out;
+
+	err = netif_set_real_num_rx_queues(netdev, adapter->num_rx_queues);
+
 out:
 	return err;
 }
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index c911d883c27..f8064df10cc 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -27,6 +27,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
@@ -2973,6 +2974,9 @@ jme_init_one(struct pci_dev *pdev,
 	/*
 	 * set up PCI device basics
 	 */
+	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+			       PCIE_LINK_STATE_CLKPM);
+
 	rc = pci_enable_device(pdev);
 	if (rc) {
 		pr_err("Cannot enable PCI device\n");
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 087b9e0669f..84c13263c51 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -412,7 +412,6 @@ struct mv643xx_eth_private {
 	u8 work_rx_refill;
 
 	int skb_size;
-	struct sk_buff_head rx_recycle;
 
 	/*
 	 * RX state.
@@ -673,9 +672,7 @@ static int rxq_refill(struct rx_queue *rxq, int budget)
 		struct rx_desc *rx_desc;
 		int size;
 
-		skb = __skb_dequeue(&mp->rx_recycle);
-		if (skb == NULL)
-			skb = netdev_alloc_skb(mp->dev, mp->skb_size);
+		skb = netdev_alloc_skb(mp->dev, mp->skb_size);
 
 		if (skb == NULL) {
 			mp->oom = 1;
@@ -989,14 +986,7 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force)
 				       desc->byte_cnt, DMA_TO_DEVICE);
 		}
 
-		if (skb != NULL) {
-			if (skb_queue_len(&mp->rx_recycle) <
-					mp->rx_ring_size &&
-			    skb_recycle_check(skb, mp->skb_size))
-				__skb_queue_head(&mp->rx_recycle, skb);
-			else
-				dev_kfree_skb(skb);
-		}
+		dev_kfree_skb(skb);
 	}
 
 	__netif_tx_unlock(nq);
@@ -2349,8 +2339,6 @@ static int mv643xx_eth_open(struct net_device *dev)
 
 	napi_enable(&mp->napi);
 
-	skb_queue_head_init(&mp->rx_recycle);
-
 	mp->int_mask = INT_EXT;
 
 	for (i = 0; i < mp->rxq_count; i++) {
@@ -2445,8 +2433,6 @@ static int mv643xx_eth_stop(struct net_device *dev)
 	mib_counters_update(mp);
 	del_timer_sync(&mp->mib_counters_timer);
 
-	skb_queue_purge(&mp->rx_recycle);
-
 	for (i = 0; i < mp->rxq_count; i++)
 		rxq_deinit(mp->rxq + i);
 	for (i = 0; i < mp->txq_count; i++)
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 5a30bf82309..9b9c2ac5c4c 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3189,7 +3189,7 @@ static int skge_poll(struct napi_struct *napi, int to_do)
 	if (work_done < to_do) {
 		unsigned long flags;
 
-		napi_gro_flush(napi);
+		napi_gro_flush(napi, false);
 		spin_lock_irqsave(&hw->hw_lock, flags);
 		__napi_complete(napi);
 		hw->intr_mask |= napimask[skge->port];
@@ -3945,8 +3945,10 @@ static int __devinit skge_probe(struct pci_dev *pdev,
 		skge_board_name(hw), hw->chip_rev);
 
 	dev = skge_devinit(hw, 0, using_dac);
-	if (!dev)
+	if (!dev) {
+		err = -ENOMEM;
 		goto err_out_led_off;
+	}
 
 	/* Some motherboards are broken and has zero in ROM. */
 	if (!is_valid_ether_addr(dev->dev_addr))
@@ -4153,6 +4155,13 @@ static struct dmi_system_id skge_32bit_dma_boards[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "nForce"),
 		},
 	},
+	{
+		.ident = "ASUS P5NSLI",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "P5NSLI")
+		},
+	},
 	{}
 };
 
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 2b0748dba8b..78946feab4a 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4924,6 +4924,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
 
 	if (~reg == 0) {
 		dev_err(&pdev->dev, "PCI configuration read error\n");
+		err = -EIO;
 		goto err_out;
 	}
 
@@ -4993,8 +4994,10 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
 	hw->st_size = hw->ports * roundup_pow_of_two(3*RX_MAX_PENDING + TX_MAX_PENDING);
 	hw->st_le = pci_alloc_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le),
 					 &hw->st_dma);
-	if (!hw->st_le)
+	if (!hw->st_le) {
+		err = -ENOMEM;
 		goto err_out_reset;
+	}
 
 	dev_info(&pdev->dev, "Yukon-2 %s chip revision %d\n",
 		 sky2_name(hw->chip_id, buf1, sizeof(buf1)), hw->chip_rev);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index c10e3a6de09..b35094c590b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -143,7 +143,6 @@ void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv,
 		mlx4_bf_free(mdev->dev, &ring->bf);
 	mlx4_qp_remove(mdev->dev, &ring->qp);
 	mlx4_qp_free(mdev->dev, &ring->qp);
-	mlx4_qp_release_range(mdev->dev, ring->qpn, 1);
 	mlx4_en_unmap_buffer(&ring->wqres.buf);
 	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
 	kfree(ring->bounce_buf);
@@ -712,7 +711,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (bounce)
 		tx_desc = mlx4_en_bounce_to_desc(priv, ring, index, desc_size);
 
-	if (ring->bf_enabled && desc_size <= MAX_BF && !bounce && !vlan_tag) {
+	if (ring->bf_enabled && desc_size <= MAX_BF && !bounce && !vlan_tx_tag_present(skb)) {
 		*(__be32 *) (&tx_desc->ctrl.vlan_tag) |= cpu_to_be32(ring->doorbell_qpn);
 		op_own |= htonl((bf_index & 0xffff) << 8);
 		/* Ensure new descirptor hits memory
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index 51c764901ad..b84a88bc44d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -329,9 +329,6 @@ int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave,
 	ctx = &priv->mfunc.master.slave_state[slave];
 	spin_lock_irqsave(&ctx->lock, flags);
 
-	mlx4_dbg(dev, "%s: slave: %d, current state: %d new event :%d\n",
-		 __func__, slave, cur_state, event);
-
 	switch (cur_state) {
 	case SLAVE_PORT_DOWN:
 		if (MLX4_PORT_STATE_DEV_EVENT_PORT_UP == event)
@@ -366,9 +363,6 @@ int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave,
 			goto out;
 	}
 	ret = mlx4_get_slave_port_state(dev, slave, port);
-	mlx4_dbg(dev, "%s: slave: %d, current state: %d new event"
-		 " :%d gen_event: %d\n",
-		 __func__, slave, cur_state, event, *gen_event);
 
 out:
 	spin_unlock_irqrestore(&ctx->lock, flags);
@@ -843,6 +837,18 @@ static void __iomem *mlx4_get_eq_uar(struct mlx4_dev *dev, struct mlx4_eq *eq)
 	return priv->eq_table.uar_map[index] + 0x800 + 8 * (eq->eqn % 4);
 }
 
+static void mlx4_unmap_uar(struct mlx4_dev *dev)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	int i;
+
+	for (i = 0; i < mlx4_num_eq_uar(dev); ++i)
+		if (priv->eq_table.uar_map[i]) {
+			iounmap(priv->eq_table.uar_map[i]);
+			priv->eq_table.uar_map[i] = NULL;
+		}
+}
+
 static int mlx4_create_eq(struct mlx4_dev *dev, int nent,
 			  u8 intr, struct mlx4_eq *eq)
 {
@@ -1207,6 +1213,7 @@ err_out_unmap:
 	mlx4_free_irqs(dev);
 
 err_out_bitmap:
+	mlx4_unmap_uar(dev);
 	mlx4_bitmap_cleanup(&priv->eq_table.bitmap);
 
 err_out_free:
@@ -1231,10 +1238,7 @@ void mlx4_cleanup_eq_table(struct mlx4_dev *dev)
 	if (!mlx4_is_slave(dev))
 		mlx4_unmap_clr_int(dev);
 
-	for (i = 0; i < mlx4_num_eq_uar(dev); ++i)
-		if (priv->eq_table.uar_map[i])
-			iounmap(priv->eq_table.uar_map[i]);
-
+	mlx4_unmap_uar(dev);
 	mlx4_bitmap_cleanup(&priv->eq_table.bitmap);
 
 	kfree(priv->eq_table.uar_map);
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 80df2ab0177..2aa80afd98d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -1405,7 +1405,10 @@ unmap_bf:
 	unmap_bf_area(dev);
 
 err_close:
-	mlx4_close_hca(dev);
+	if (mlx4_is_slave(dev))
+		mlx4_slave_exit(dev);
+	else
+		mlx4_CLOSE_HCA(dev, 0);
 
 err_free_icm:
 	if (!mlx4_is_slave(dev))
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 926c911c0ac..b05705f50f0 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -330,9 +330,6 @@ static void update_pkey_index(struct mlx4_dev *dev, int slave,
 
 	new_index = priv->virt2phys_pkey[slave][port - 1][orig_index];
 	*(u8 *)(inbox->buf + 35) = new_index;
-
-	mlx4_dbg(dev, "port = %d, orig pkey index = %d, "
-		 "new pkey index = %d\n", port, orig_index, new_index);
 }
 
 static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox,
@@ -351,9 +348,6 @@ static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox,
 		if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH)
 			qp_ctx->alt_path.mgid_index = slave & 0x7F;
 	}
-
-	mlx4_dbg(dev, "slave %d, new gid index: 0x%x ",
-		slave, qp_ctx->pri_path.mgid_index);
 }
 
 static int mpt_mask(struct mlx4_dev *dev)
diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c
index 5b61d12f8b9..dbaaa99a0d4 100644
--- a/drivers/net/ethernet/natsemi/natsemi.c
+++ b/drivers/net/ethernet/natsemi/natsemi.c
@@ -947,8 +947,8 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
 	i = register_netdev(dev);
 	if (i)
 		goto err_register_netdev;
-
-	if (NATSEMI_CREATE_FILE(pdev, dspcfg_workaround))
+	i = NATSEMI_CREATE_FILE(pdev, dspcfg_workaround);
+	if (i)
 		goto err_create_file;
 
 	if (netif_msg_drv(np)) {
diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c
index e01c0a07a93..7dfe88398d7 100644
--- a/drivers/net/ethernet/natsemi/xtsonic.c
+++ b/drivers/net/ethernet/natsemi/xtsonic.c
@@ -205,6 +205,7 @@ static int __init sonic_probe1(struct net_device *dev)
 	if (lp->descriptors == NULL) {
 		printk(KERN_ERR "%s: couldn't alloc DMA memory for "
 				" descriptors.\n", dev_name(lp->device));
+		err = -ENOMEM;
 		goto out;
 	}
 
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
index 53743f7a2ca..af8b4142088 100644
--- a/drivers/net/ethernet/nxp/lpc_eth.c
+++ b/drivers/net/ethernet/nxp/lpc_eth.c
@@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
 				  pldat->dma_buff_base_p);
 	free_irq(ndev->irq, ndev);
 	iounmap(pldat->net_base);
+	mdiobus_unregister(pldat->mii_bus);
 	mdiobus_free(pldat->mii_bus);
 	clk_disable(pldat->clk);
 	clk_put(pldat->clk);
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig
index 97302419a37..5296cc8d3cb 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig
@@ -26,6 +26,9 @@ if PCH_GBE
 config PCH_PTP
 	bool "PCH PTP clock support"
 	default n
+	depends on EXPERIMENTAL
+	select PPS
+	select PTP_1588_CLOCK
 	select PTP_1588_CLOCK_PCH
 	---help---
 	  Say Y here if you want to use Precision Time Protocol (PTP) in the
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index b2a94d02a52..4c4fe5b1a29 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
@@ -339,26 +339,6 @@ static void pch_gbe_wait_clr_bit(void *reg, u32 bit)
 }
 
 /**
- * pch_gbe_wait_clr_bit_irq - Wait to clear a bit for interrupt context
- * @reg:	Pointer of register
- * @busy:	Busy bit
- */
-static int pch_gbe_wait_clr_bit_irq(void *reg, u32 bit)
-{
-	u32 tmp;
-	int ret = -1;
-	/* wait busy */
-	tmp = 20;
-	while ((ioread32(reg) & bit) && --tmp)
-		udelay(5);
-	if (!tmp)
-		pr_err("Error: busy bit is not cleared\n");
-	else
-		ret = 0;
-	return ret;
-}
-
-/**
  * pch_gbe_mac_mar_set - Set MAC address register
  * @hw:	    Pointer to the HW structure
  * @addr:   Pointer to the MAC address
@@ -409,15 +389,20 @@ static void pch_gbe_mac_reset_hw(struct pch_gbe_hw *hw)
 	return;
 }
 
-static void pch_gbe_mac_reset_rx(struct pch_gbe_hw *hw)
+static void pch_gbe_disable_mac_rx(struct pch_gbe_hw *hw)
 {
-	/* Read the MAC addresses. and store to the private data */
-	pch_gbe_mac_read_mac_addr(hw);
-	iowrite32(PCH_GBE_RX_RST, &hw->reg->RESET);
-	pch_gbe_wait_clr_bit_irq(&hw->reg->RESET, PCH_GBE_RX_RST);
-	/* Setup the MAC addresses */
-	pch_gbe_mac_mar_set(hw, hw->mac.addr, 0);
-	return;
+	u32 rctl;
+	/* Disables Receive MAC */
+	rctl = ioread32(&hw->reg->MAC_RX_EN);
+	iowrite32((rctl & ~PCH_GBE_MRE_MAC_RX_EN), &hw->reg->MAC_RX_EN);
+}
+
+static void pch_gbe_enable_mac_rx(struct pch_gbe_hw *hw)
+{
+	u32 rctl;
+	/* Enables Receive MAC */
+	rctl = ioread32(&hw->reg->MAC_RX_EN);
+	iowrite32((rctl | PCH_GBE_MRE_MAC_RX_EN), &hw->reg->MAC_RX_EN);
 }
 
 /**
@@ -913,7 +898,7 @@ static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter)
 static void pch_gbe_configure_rx(struct pch_gbe_adapter *adapter)
 {
 	struct pch_gbe_hw *hw = &adapter->hw;
-	u32 rdba, rdlen, rctl, rxdma;
+	u32 rdba, rdlen, rxdma;
 
 	pr_debug("dma adr = 0x%08llx  size = 0x%08x\n",
 		 (unsigned long long)adapter->rx_ring->dma,
@@ -921,9 +906,7 @@ static void pch_gbe_configure_rx(struct pch_gbe_adapter *adapter)
 
 	pch_gbe_mac_force_mac_fc(hw);
 
-	/* Disables Receive MAC */
-	rctl = ioread32(&hw->reg->MAC_RX_EN);
-	iowrite32((rctl & ~PCH_GBE_MRE_MAC_RX_EN), &hw->reg->MAC_RX_EN);
+	pch_gbe_disable_mac_rx(hw);
 
 	/* Disables Receive DMA */
 	rxdma = ioread32(&hw->reg->DMA_CTRL);
@@ -1316,38 +1299,17 @@ void pch_gbe_update_stats(struct pch_gbe_adapter *adapter)
 	spin_unlock_irqrestore(&adapter->stats_lock, flags);
 }
 
-static void pch_gbe_stop_receive(struct pch_gbe_adapter *adapter)
+static void pch_gbe_disable_dma_rx(struct pch_gbe_hw *hw)
 {
-	struct pch_gbe_hw *hw = &adapter->hw;
 	u32 rxdma;
-	u16 value;
-	int ret;
 
 	/* Disable Receive DMA */
 	rxdma = ioread32(&hw->reg->DMA_CTRL);
 	rxdma &= ~PCH_GBE_RX_DMA_EN;
 	iowrite32(rxdma, &hw->reg->DMA_CTRL);
-	/* Wait Rx DMA BUS is IDLE */
-	ret = pch_gbe_wait_clr_bit_irq(&hw->reg->RX_DMA_ST, PCH_GBE_IDLE_CHECK);
-	if (ret) {
-		/* Disable Bus master */
-		pci_read_config_word(adapter->pdev, PCI_COMMAND, &value);
-		value &= ~PCI_COMMAND_MASTER;
-		pci_write_config_word(adapter->pdev, PCI_COMMAND, value);
-		/* Stop Receive */
-		pch_gbe_mac_reset_rx(hw);
-		/* Enable Bus master */
-		value |= PCI_COMMAND_MASTER;
-		pci_write_config_word(adapter->pdev, PCI_COMMAND, value);
-	} else {
-		/* Stop Receive */
-		pch_gbe_mac_reset_rx(hw);
-	}
-	/* reprogram multicast address register after reset */
-	pch_gbe_set_multi(adapter->netdev);
 }
 
-static void pch_gbe_start_receive(struct pch_gbe_hw *hw)
+static void pch_gbe_enable_dma_rx(struct pch_gbe_hw *hw)
 {
 	u32 rxdma;
 
@@ -1355,9 +1317,6 @@ static void pch_gbe_start_receive(struct pch_gbe_hw *hw)
 	rxdma = ioread32(&hw->reg->DMA_CTRL);
 	rxdma |= PCH_GBE_RX_DMA_EN;
 	iowrite32(rxdma, &hw->reg->DMA_CTRL);
-	/* Enables Receive */
-	iowrite32(PCH_GBE_MRE_MAC_RX_EN, &hw->reg->MAC_RX_EN);
-	return;
 }
 
 /**
@@ -1393,7 +1352,7 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
 			int_en = ioread32(&hw->reg->INT_EN);
 			iowrite32((int_en & ~PCH_GBE_INT_RX_FIFO_ERR),
 				  &hw->reg->INT_EN);
-			pch_gbe_stop_receive(adapter);
+			pch_gbe_disable_dma_rx(&adapter->hw);
 			int_st |= ioread32(&hw->reg->INT_ST);
 			int_st = int_st & ioread32(&hw->reg->INT_EN);
 		}
@@ -1971,12 +1930,12 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter)
 	struct net_device *netdev = adapter->netdev;
 	struct pch_gbe_tx_ring *tx_ring = adapter->tx_ring;
 	struct pch_gbe_rx_ring *rx_ring = adapter->rx_ring;
-	int err;
+	int err = -EINVAL;
 
 	/* Ensure we have a valid MAC */
 	if (!is_valid_ether_addr(adapter->hw.mac.addr)) {
 		pr_err("Error: Invalid MAC address\n");
-		return -EINVAL;
+		goto out;
 	}
 
 	/* hardware has been reset, we need to reload some things */
@@ -1989,18 +1948,19 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter)
 
 	err = pch_gbe_request_irq(adapter);
 	if (err) {
-		pr_err("Error: can't bring device up\n");
-		return err;
+		pr_err("Error: can't bring device up - irq request failed\n");
+		goto out;
 	}
 	err = pch_gbe_alloc_rx_buffers_pool(adapter, rx_ring, rx_ring->count);
 	if (err) {
-		pr_err("Error: can't bring device up\n");
-		return err;
+		pr_err("Error: can't bring device up - alloc rx buffers pool failed\n");
+		goto freeirq;
 	}
 	pch_gbe_alloc_tx_buffers(adapter, tx_ring);
 	pch_gbe_alloc_rx_buffers(adapter, rx_ring, rx_ring->count);
 	adapter->tx_queue_len = netdev->tx_queue_len;
-	pch_gbe_start_receive(&adapter->hw);
+	pch_gbe_enable_dma_rx(&adapter->hw);
+	pch_gbe_enable_mac_rx(&adapter->hw);
 
 	mod_timer(&adapter->watchdog_timer, jiffies);
 
@@ -2009,6 +1969,11 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter)
 	netif_start_queue(adapter->netdev);
 
 	return 0;
+
+freeirq:
+	pch_gbe_free_irq(adapter);
+out:
+	return err;
 }
 
 /**
@@ -2405,7 +2370,6 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
 	int work_done = 0;
 	bool poll_end_flag = false;
 	bool cleaned = false;
-	u32 int_en;
 
 	pr_debug("budget : %d\n", budget);
 
@@ -2422,19 +2386,13 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
 
 	if (poll_end_flag) {
 		napi_complete(napi);
-		if (adapter->rx_stop_flag) {
-			adapter->rx_stop_flag = false;
-			pch_gbe_start_receive(&adapter->hw);
-		}
 		pch_gbe_irq_enable(adapter);
-	} else
-		if (adapter->rx_stop_flag) {
-			adapter->rx_stop_flag = false;
-			pch_gbe_start_receive(&adapter->hw);
-			int_en = ioread32(&adapter->hw.reg->INT_EN);
-			iowrite32((int_en | PCH_GBE_INT_RX_FIFO_ERR),
-				&adapter->hw.reg->INT_EN);
-		}
+	}
+
+	if (adapter->rx_stop_flag) {
+		adapter->rx_stop_flag = false;
+		pch_gbe_enable_dma_rx(&adapter->hw);
+	}
 
 	pr_debug("poll_end_flag : %d  work_done : %d  budget : %d\n",
 		 poll_end_flag, work_done, budget);
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index df09b1cb742..6407d0d77e8 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -2525,6 +2525,13 @@ static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
 	qdev->req_q_size =
 	    (u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req));
 
+	qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
+
+	/* The barrier is required to ensure request and response queue
+	 * addr writes to the registers.
+	 */
+	wmb();
+
 	qdev->req_q_virt_addr =
 	    pci_alloc_consistent(qdev->pdev,
 				 (size_t) qdev->req_q_size,
@@ -2536,8 +2543,6 @@ static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
 		return -ENOMEM;
 	}
 
-	qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
-
 	qdev->rsp_q_virt_addr =
 	    pci_alloc_consistent(qdev->pdev,
 				 (size_t) qdev->rsp_q_size,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 473ce134ca6..24ad17ec7fc 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -1601,7 +1601,8 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	adapter->netdev  = netdev;
 	adapter->pdev    = pdev;
 
-	if (qlcnic_alloc_adapter_resources(adapter))
+	err = qlcnic_alloc_adapter_resources(adapter);
+	if (err)
 		goto err_out_free_netdev;
 
 	adapter->dev_rst_time = jiffies;
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 995d0cfc4c0..1c818254b7b 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -563,7 +563,7 @@ rx_next:
 		if (cpr16(IntrStatus) & cp_rx_intr_mask)
 			goto rx_status_loop;
 
-		napi_gro_flush(napi);
+		napi_gro_flush(napi, false);
 		spin_lock_irqsave(&cp->lock, flags);
 		__napi_complete(napi);
 		cpw16_f(IntrMask, cp_intr_mask);
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index bad8f2eec9b..c8bfea0524d 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2438,6 +2438,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 		rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 		if (!rtsu) {
 			dev_err(&pdev->dev, "Not found TSU resource\n");
+			ret = -ENODEV;
 			goto out_release;
 		}
 		mdp->tsu_addr = ioremap(rtsu->start,
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 5b3dd028ce8..0767043f44a 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -640,8 +640,7 @@ static void efx_ptp_drop_time_expired_events(struct efx_nic *efx)
 			evt = list_entry(cursor, struct efx_ptp_event_rx,
 					 link);
 			if (time_after(jiffies, evt->expiry)) {
-				list_del(&evt->link);
-				list_add(&evt->link, &ptp->evt_free_list);
+				list_move(&evt->link, &ptp->evt_free_list);
 				netif_warn(efx, hw, efx->net_dev,
 					   "PTP rx event dropped\n");
 			}
@@ -684,8 +683,7 @@ static enum ptp_packet_state efx_ptp_match_rx(struct efx_nic *efx,
 
 			match->state = PTP_PACKET_STATE_MATCHED;
 			rc = PTP_PACKET_STATE_MATCHED;
-			list_del(&evt->link);
-			list_add(&evt->link, &ptp->evt_free_list);
+			list_move(&evt->link, &ptp->evt_free_list);
 			break;
 		}
 	}
@@ -820,8 +818,7 @@ static int efx_ptp_stop(struct efx_nic *efx)
 	/* Drop any pending receive events */
 	spin_lock_bh(&efx->ptp_data->evt_lock);
 	list_for_each_safe(cursor, next, &efx->ptp_data->evt_list) {
-		list_del(cursor);
-		list_add(cursor, &efx->ptp_data->evt_free_list);
+		list_move(cursor, &efx->ptp_data->evt_free_list);
 	}
 	spin_unlock_bh(&efx->ptp_data->evt_lock);
 
diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c
index 203d9c6ec23..fb9f6b38511 100644
--- a/drivers/net/ethernet/sis/sis900.c
+++ b/drivers/net/ethernet/sis/sis900.c
@@ -478,8 +478,10 @@ static int __devinit sis900_probe(struct pci_dev *pci_dev,
 
 	/* IO region. */
 	ioaddr = pci_iomap(pci_dev, 0, 0);
-	if (!ioaddr)
+	if (!ioaddr) {
+		ret = -ENOMEM;
 		goto err_out_cleardev;
+	}
 
 	sis_priv = netdev_priv(net_dev);
 	sis_priv->ioaddr = ioaddr;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index e872e1da313..7d51a65ab09 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -50,7 +50,6 @@ struct stmmac_priv {
 	unsigned int dirty_rx;
 	struct sk_buff **rx_skbuff;
 	dma_addr_t *rx_skbuff_dma;
-	struct sk_buff_head rx_recycle;
 
 	struct net_device *dev;
 	dma_addr_t dma_rx_phy;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 3be88331d17..c6cdbc4eb05 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -747,18 +747,7 @@ static void stmmac_tx(struct stmmac_priv *priv)
 		priv->hw->ring->clean_desc3(p);
 
 		if (likely(skb != NULL)) {
-			/*
-			 * If there's room in the queue (limit it to size)
-			 * we add this skb back into the pool,
-			 * if it's the right size.
-			 */
-			if ((skb_queue_len(&priv->rx_recycle) <
-				priv->dma_rx_size) &&
-				skb_recycle_check(skb, priv->dma_buf_sz))
-				__skb_queue_head(&priv->rx_recycle, skb);
-			else
-				dev_kfree_skb(skb);
-
+			dev_kfree_skb(skb);
 			priv->tx_skbuff[entry] = NULL;
 		}
 
@@ -1169,7 +1158,6 @@ static int stmmac_open(struct net_device *dev)
 	priv->eee_enabled = stmmac_eee_init(priv);
 
 	napi_enable(&priv->napi);
-	skb_queue_head_init(&priv->rx_recycle);
 	netif_start_queue(dev);
 
 	return 0;
@@ -1222,7 +1210,6 @@ static int stmmac_release(struct net_device *dev)
 		kfree(priv->tm);
 #endif
 	napi_disable(&priv->napi);
-	skb_queue_purge(&priv->rx_recycle);
 
 	/* Free the IRQ lines */
 	free_irq(dev->irq, dev);
@@ -1388,10 +1375,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv)
 		if (likely(priv->rx_skbuff[entry] == NULL)) {
 			struct sk_buff *skb;
 
-			skb = __skb_dequeue(&priv->rx_recycle);
-			if (skb == NULL)
-				skb = netdev_alloc_skb_ip_align(priv->dev,
-								bfsize);
+			skb = netdev_alloc_skb_ip_align(priv->dev, bfsize);
 
 			if (unlikely(skb == NULL))
 				break;
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 8419bf385e0..275b430aeb7 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -9788,6 +9788,7 @@ static int __devinit niu_pci_init_one(struct pci_dev *pdev,
 
 	if (!pci_is_pcie(pdev)) {
 		dev_err(&pdev->dev, "Cannot find PCI Express capability, aborting\n");
+		err = -ENODEV;
 		goto err_out_free_res;
 	}
 
diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c
index 9ae12d0c963..6c8695ec7cb 100644
--- a/drivers/net/ethernet/sun/sungem.c
+++ b/drivers/net/ethernet/sun/sungem.c
@@ -2963,7 +2963,8 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
 		goto err_out_iounmap;
 	}
 
-	if (gem_get_device_address(gp))
+	err = gem_get_device_address(gp);
+	if (err)
 		goto err_out_free_consistent;
 
 	dev->netdev_ops = &gem_netdev_ops;
diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
index b26cbda5efa..2c41894d547 100644
--- a/drivers/net/ethernet/ti/Kconfig
+++ b/drivers/net/ethernet/ti/Kconfig
@@ -5,7 +5,7 @@
 config NET_VENDOR_TI
 	bool "Texas Instruments (TI) devices"
 	default y
-	depends on PCI || EISA || AR7 || (ARM && (ARCH_DAVINCI || ARCH_OMAP3))
+	depends on PCI || EISA || AR7 || (ARM && (ARCH_DAVINCI || ARCH_OMAP3 || SOC_AM33XX))
 	---help---
 	  If you have a network (Ethernet) card belonging to this class, say Y
 	  and read the Ethernet-HOWTO, available from
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 4e2a1628484..4e981001385 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -1334,11 +1334,11 @@ static int tso_count_edescs(struct sk_buff *skb)
 {
 	struct skb_shared_info *sh = skb_shinfo(skb);
 	unsigned int sh_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
-	unsigned int data_len = skb->data_len + skb->hdr_len - sh_len;
+	unsigned int data_len = skb->len - sh_len;
 	unsigned int p_len = sh->gso_size;
 	long f_id = -1;    /* id of the current fragment */
-	long f_size = skb->hdr_len;  /* size of the current fragment */
-	long f_used = sh_len;  /* bytes used from the current fragment */
+	long f_size = skb_headlen(skb) - sh_len;  /* current fragment size */
+	long f_used = 0;  /* bytes used from the current fragment */
 	long n;            /* size of the current piece of payload */
 	int num_edescs = 0;
 	int segment;
@@ -1353,7 +1353,7 @@ static int tso_count_edescs(struct sk_buff *skb)
 			/* Advance as needed. */
 			while (f_used >= f_size) {
 				f_id++;
-				f_size = sh->frags[f_id].size;
+				f_size = skb_frag_size(&sh->frags[f_id]);
 				f_used = 0;
 			}
 
@@ -1384,13 +1384,13 @@ static void tso_headers_prepare(struct sk_buff *skb, unsigned char *headers,
 	struct iphdr *ih;
 	struct tcphdr *th;
 	unsigned int sh_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
-	unsigned int data_len = skb->data_len + skb->hdr_len - sh_len;
+	unsigned int data_len = skb->len - sh_len;
 	unsigned char *data = skb->data;
 	unsigned int ih_off, th_off, p_len;
 	unsigned int isum_seed, tsum_seed, id, seq;
 	long f_id = -1;    /* id of the current fragment */
-	long f_size = skb->hdr_len;  /* size of the current fragment */
-	long f_used = sh_len;  /* bytes used from the current fragment */
+	long f_size = skb_headlen(skb) - sh_len;  /* current fragment size */
+	long f_used = 0;  /* bytes used from the current fragment */
 	long n;            /* size of the current piece of payload */
 	int segment;
 
@@ -1405,7 +1405,7 @@ static void tso_headers_prepare(struct sk_buff *skb, unsigned char *headers,
 	isum_seed = ((0xFFFF - ih->check) +
 		     (0xFFFF - ih->tot_len) +
 		     (0xFFFF - ih->id));
-	tsum_seed = th->check + (0xFFFF ^ htons(sh_len + data_len));
+	tsum_seed = th->check + (0xFFFF ^ htons(skb->len));
 	id = ntohs(ih->id);
 	seq = ntohl(th->seq);
 
@@ -1444,7 +1444,7 @@ static void tso_headers_prepare(struct sk_buff *skb, unsigned char *headers,
 			/* Advance as needed. */
 			while (f_used >= f_size) {
 				f_id++;
-				f_size = sh->frags[f_id].size;
+				f_size = skb_frag_size(&sh->frags[f_id]);
 				f_used = 0;
 			}
 
@@ -1478,14 +1478,14 @@ static void tso_egress(struct net_device *dev, gxio_mpipe_equeue_t *equeue,
 	struct tile_net_priv *priv = netdev_priv(dev);
 	struct skb_shared_info *sh = skb_shinfo(skb);
 	unsigned int sh_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
-	unsigned int data_len = skb->data_len + skb->hdr_len - sh_len;
+	unsigned int data_len = skb->len - sh_len;
 	unsigned int p_len = sh->gso_size;
 	gxio_mpipe_edesc_t edesc_head = { { 0 } };
 	gxio_mpipe_edesc_t edesc_body = { { 0 } };
 	long f_id = -1;    /* id of the current fragment */
-	long f_size = skb->hdr_len;  /* size of the current fragment */
-	long f_used = sh_len;  /* bytes used from the current fragment */
-	void *f_data = skb->data;
+	long f_size = skb_headlen(skb) - sh_len;  /* current fragment size */
+	long f_used = 0;  /* bytes used from the current fragment */
+	void *f_data = skb->data + sh_len;
 	long n;            /* size of the current piece of payload */
 	unsigned long tx_packets = 0, tx_bytes = 0;
 	unsigned int csum_start;
@@ -1516,15 +1516,18 @@ static void tso_egress(struct net_device *dev, gxio_mpipe_equeue_t *equeue,
 
 		/* Egress the payload. */
 		while (p_used < p_len) {
+			void *va;
 
 			/* Advance as needed. */
 			while (f_used >= f_size) {
 				f_id++;
-				f_size = sh->frags[f_id].size;
-				f_used = 0;
+				f_size = skb_frag_size(&sh->frags[f_id]);
 				f_data = tile_net_frag_buf(&sh->frags[f_id]);
+				f_used = 0;
 			}
 
+			va = f_data + f_used;
+
 			/* Use bytes from the current fragment. */
 			n = p_len - p_used;
 			if (n > f_size - f_used)
@@ -1533,7 +1536,7 @@ static void tso_egress(struct net_device *dev, gxio_mpipe_equeue_t *equeue,
 			p_used += n;
 
 			/* Egress a piece of the payload. */
-			edesc_body.va = va_to_tile_io_addr(f_data) + f_used;
+			edesc_body.va = va_to_tile_io_addr(va);
 			edesc_body.xfer_size = n;
 			edesc_body.bound = !(p_used < p_len);
 			gxio_mpipe_equeue_put_at(equeue, edesc_body, slot);
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index 30087ca23a0..6e4d4b62c9a 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -459,8 +459,10 @@ static int irtty_open(struct tty_struct *tty)
 
 	/* allocate private device info block */
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv)
+	if (!priv) {
+		ret = -ENOMEM;
 		goto out_put;
+	}
 
 	priv->magic = IRTTY_MAGIC;
 	priv->tty = tty;
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index 1a00b5990cb..f07c340990d 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -920,8 +920,10 @@ static int mcs_probe(struct usb_interface *intf,
 
 	ndev->netdev_ops = &mcs_netdev_ops;
 
-	if (!intf->cur_altsetting)
+	if (!intf->cur_altsetting) {
+		ret = -ENOMEM;
 		goto error2;
+	}
 
 	ret = mcs_find_endpoints(mcs, intf->cur_altsetting->endpoint,
 				 intf->cur_altsetting->desc.bNumEndpoints);
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index 002a442bf73..858de05bdb7 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -846,8 +846,10 @@ static int pxa_irda_probe(struct platform_device *pdev)
 		goto err_mem_2;
 
 	dev = alloc_irdadev(sizeof(struct pxa_irda));
-	if (!dev)
+	if (!dev) {
+		err = -ENOMEM;
 		goto err_mem_3;
+	}
 
 	SET_NETDEV_DEV(dev, &pdev->dev);
 	si = netdev_priv(dev);
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index e25067552b2..42fde9ed23e 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -940,8 +940,10 @@ static int sa1100_irda_probe(struct platform_device *pdev)
 		goto err_mem_3;
 
 	dev = alloc_irdadev(sizeof(struct sa1100_irda));
-	if (!dev)
+	if (!dev) {
+		err = -ENOMEM;
 		goto err_mem_4;
+	}
 
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
diff --git a/drivers/net/irda/sh_irda.c b/drivers/net/irda/sh_irda.c
index eb315b8d07a..4b746d9bd8e 100644
--- a/drivers/net/irda/sh_irda.c
+++ b/drivers/net/irda/sh_irda.c
@@ -808,8 +808,8 @@ static int __devinit sh_irda_probe(struct platform_device *pdev)
 		goto err_mem_4;
 
 	platform_set_drvdata(pdev, ndev);
-
-	if (request_irq(irq, sh_irda_irq, IRQF_DISABLED, "sh_irda", self)) {
+	err = request_irq(irq, sh_irda_irq, IRQF_DISABLED, "sh_irda", self);
+	if (err) {
 		dev_warn(&pdev->dev, "Unable to attach sh_irda interrupt\n");
 		goto err_mem_4;
 	}
diff --git a/drivers/net/irda/sh_sir.c b/drivers/net/irda/sh_sir.c
index 79510942556..624ac1939e8 100644
--- a/drivers/net/irda/sh_sir.c
+++ b/drivers/net/irda/sh_sir.c
@@ -741,6 +741,7 @@ static int __devinit sh_sir_probe(struct platform_device *pdev)
 	self->clk = clk_get(&pdev->dev, clk_name);
 	if (IS_ERR(self->clk)) {
 		dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
+		err = -ENODEV;
 		goto err_mem_3;
 	}
 
@@ -760,8 +761,8 @@ static int __devinit sh_sir_probe(struct platform_device *pdev)
 		goto err_mem_4;
 
 	platform_set_drvdata(pdev, ndev);
-
-	if (request_irq(irq, sh_sir_irq, IRQF_DISABLED, "sh_sir", self)) {
+	err = request_irq(irq, sh_sir_irq, IRQF_DISABLED, "sh_sir", self);
+	if (err) {
 		dev_warn(&pdev->dev, "Unable to attach sh_sir interrupt\n");
 		goto err_mem_4;
 	}
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 983bbf4d5ef..961f0b29391 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -15,6 +15,11 @@ if PHYLIB
 
 comment "MII PHY device drivers"
 
+config AT803X_PHY
+	tristate "Drivers for Atheros AT803X PHYs"
+	---help---
+	  Currently supports the AT8030 and AT8035 model
+
 config AMD_PHY
 	tristate "Drivers for the AMD PHYs"
 	---help---
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 426674debae..9645e389a58 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_STE10XP)		+= ste10Xp.o
 obj-$(CONFIG_MICREL_PHY)	+= micrel.o
 obj-$(CONFIG_MDIO_OCTEON)	+= mdio-octeon.o
 obj-$(CONFIG_MICREL_KS8995MA)	+= spi_ks8995.o
+obj-$(CONFIG_AT803X_PHY)	+= at803x.o
 obj-$(CONFIG_AMD_PHY)		+= amd.o
 obj-$(CONFIG_MDIO_BUS_MUX)	+= mdio-mux.o
 obj-$(CONFIG_MDIO_BUS_MUX_GPIO)	+= mdio-mux-gpio.o
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
new file mode 100644
index 00000000000..45cbc10de01
--- /dev/null
+++ b/drivers/net/phy/at803x.c
@@ -0,0 +1,176 @@
+/*
+ * drivers/net/phy/at803x.c
+ *
+ * Driver for Atheros 803x PHY
+ *
+ * Author: Matus Ujhelyi <ujhelyi.m@gmail.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/phy.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+
+#define AT803X_INTR_ENABLE			0x12
+#define AT803X_INTR_STATUS			0x13
+#define AT803X_WOL_ENABLE			0x01
+#define AT803X_DEVICE_ADDR			0x03
+#define AT803X_LOC_MAC_ADDR_0_15_OFFSET		0x804C
+#define AT803X_LOC_MAC_ADDR_16_31_OFFSET	0x804B
+#define AT803X_LOC_MAC_ADDR_32_47_OFFSET	0x804A
+#define AT803X_MMD_ACCESS_CONTROL		0x0D
+#define AT803X_MMD_ACCESS_CONTROL_DATA		0x0E
+#define AT803X_FUNC_DATA			0x4003
+
+MODULE_DESCRIPTION("Atheros 803x PHY driver");
+MODULE_AUTHOR("Matus Ujhelyi");
+MODULE_LICENSE("GPL");
+
+static void at803x_set_wol_mac_addr(struct phy_device *phydev)
+{
+	struct net_device *ndev = phydev->attached_dev;
+	const u8 *mac;
+	unsigned int i, offsets[] = {
+		AT803X_LOC_MAC_ADDR_32_47_OFFSET,
+		AT803X_LOC_MAC_ADDR_16_31_OFFSET,
+		AT803X_LOC_MAC_ADDR_0_15_OFFSET,
+	};
+
+	if (!ndev)
+		return;
+
+	mac = (const u8 *) ndev->dev_addr;
+
+	if (!is_valid_ether_addr(mac))
+		return;
+
+	for (i = 0; i < 3; i++) {
+		phy_write(phydev, AT803X_MMD_ACCESS_CONTROL,
+				  AT803X_DEVICE_ADDR);
+		phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA,
+				  offsets[i]);
+		phy_write(phydev, AT803X_MMD_ACCESS_CONTROL,
+				  AT803X_FUNC_DATA);
+		phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA,
+				  mac[(i * 2) + 1] | (mac[(i * 2)] << 8));
+	}
+}
+
+static int at803x_config_init(struct phy_device *phydev)
+{
+	int val;
+	u32 features;
+	int status;
+
+	features = SUPPORTED_TP | SUPPORTED_MII | SUPPORTED_AUI |
+		   SUPPORTED_FIBRE | SUPPORTED_BNC;
+
+	val = phy_read(phydev, MII_BMSR);
+	if (val < 0)
+		return val;
+
+	if (val & BMSR_ANEGCAPABLE)
+		features |= SUPPORTED_Autoneg;
+	if (val & BMSR_100FULL)
+		features |= SUPPORTED_100baseT_Full;
+	if (val & BMSR_100HALF)
+		features |= SUPPORTED_100baseT_Half;
+	if (val & BMSR_10FULL)
+		features |= SUPPORTED_10baseT_Full;
+	if (val & BMSR_10HALF)
+		features |= SUPPORTED_10baseT_Half;
+
+	if (val & BMSR_ESTATEN) {
+		val = phy_read(phydev, MII_ESTATUS);
+		if (val < 0)
+			return val;
+
+		if (val & ESTATUS_1000_TFULL)
+			features |= SUPPORTED_1000baseT_Full;
+		if (val & ESTATUS_1000_THALF)
+			features |= SUPPORTED_1000baseT_Half;
+	}
+
+	phydev->supported = features;
+	phydev->advertising = features;
+
+	/* enable WOL */
+	at803x_set_wol_mac_addr(phydev);
+	status = phy_write(phydev, AT803X_INTR_ENABLE, AT803X_WOL_ENABLE);
+	status = phy_read(phydev, AT803X_INTR_STATUS);
+
+	return 0;
+}
+
+/* ATHEROS 8035 */
+static struct phy_driver at8035_driver = {
+	.phy_id		= 0x004dd072,
+	.name		= "Atheros 8035 ethernet",
+	.phy_id_mask	= 0xffffffef,
+	.config_init	= at803x_config_init,
+	.features	= PHY_GBIT_FEATURES,
+	.flags		= PHY_HAS_INTERRUPT,
+	.config_aneg	= &genphy_config_aneg,
+	.read_status	= &genphy_read_status,
+	.driver		= {
+		.owner = THIS_MODULE,
+	},
+};
+
+/* ATHEROS 8030 */
+static struct phy_driver at8030_driver = {
+	.phy_id		= 0x004dd076,
+	.name		= "Atheros 8030 ethernet",
+	.phy_id_mask	= 0xffffffef,
+	.config_init	= at803x_config_init,
+	.features	= PHY_GBIT_FEATURES,
+	.flags		= PHY_HAS_INTERRUPT,
+	.config_aneg	= &genphy_config_aneg,
+	.read_status	= &genphy_read_status,
+	.driver		= {
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init atheros_init(void)
+{
+	int ret;
+
+	ret = phy_driver_register(&at8035_driver);
+	if (ret)
+		goto err1;
+
+	ret = phy_driver_register(&at8030_driver);
+	if (ret)
+		goto err2;
+
+	return 0;
+
+err2:
+	phy_driver_unregister(&at8035_driver);
+err1:
+	return ret;
+}
+
+static void __exit atheros_exit(void)
+{
+	phy_driver_unregister(&at8035_driver);
+	phy_driver_unregister(&at8030_driver);
+}
+
+module_init(atheros_init);
+module_exit(atheros_exit);
+
+static struct mdio_device_id __maybe_unused atheros_tbl[] = {
+	{ 0x004dd076, 0xffffffef },
+	{ 0x004dd072, 0xffffffef },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(mdio, atheros_tbl);
diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
index daec9b05d16..6428fcbbdd4 100644
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus)
 	struct mdiobb_ctrl *ctrl = bus->priv;
 
 	module_put(ctrl->ops->owner);
+	mdiobus_unregister(bus);
 	mdiobus_free(bus);
 }
 EXPORT_SYMBOL(free_mdio_bitbang);
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 170eb411ab5..c1ef3000ea6 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -26,6 +26,7 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/of_device.h>
+#include <linux/of_mdio.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index 434d5af8e6f..c81e278629f 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -244,8 +244,12 @@ static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 			 *  - suspend: peripheral ready to suspend
 			 *  - response: suggest N millisec polling
 			 *  - response complete: suggest N sec polling
+			 *
+			 * Suspend is reported and maybe heeded.
 			 */
 			case 2:		/* Suspend hint */
+				usbnet_device_suggests_idle(dev);
+				continue;
 			case 3:		/* Response hint */
 			case 4:		/* Response complete hint */
 				continue;
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index a03de719704..d0129827602 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -592,6 +592,32 @@ static const struct usb_device_id	products [] = {
 	.driver_info		= 0,
 },
 
+/* Novatel USB551L and MC551 - handled by qmi_wwan */
+{
+	.match_flags    =   USB_DEVICE_ID_MATCH_VENDOR
+		 | USB_DEVICE_ID_MATCH_PRODUCT
+		 | USB_DEVICE_ID_MATCH_INT_INFO,
+	.idVendor               = NOVATEL_VENDOR_ID,
+	.idProduct		= 0xB001,
+	.bInterfaceClass	= USB_CLASS_COMM,
+	.bInterfaceSubClass	= USB_CDC_SUBCLASS_ETHERNET,
+	.bInterfaceProtocol	= USB_CDC_PROTO_NONE,
+	.driver_info = 0,
+},
+
+/* Novatel E362 - handled by qmi_wwan */
+{
+	.match_flags    =   USB_DEVICE_ID_MATCH_VENDOR
+		 | USB_DEVICE_ID_MATCH_PRODUCT
+		 | USB_DEVICE_ID_MATCH_INT_INFO,
+	.idVendor               = NOVATEL_VENDOR_ID,
+	.idProduct		= 0x9010,
+	.bInterfaceClass	= USB_CLASS_COMM,
+	.bInterfaceSubClass	= USB_CDC_SUBCLASS_ETHERNET,
+	.bInterfaceProtocol	= USB_CDC_PROTO_NONE,
+	.driver_info = 0,
+},
+
 /*
  * WHITELIST!!!
  *
@@ -604,21 +630,6 @@ static const struct usb_device_id	products [] = {
  * because of bugs/quirks in a given product (like Zaurus, above).
  */
 {
-	/* Novatel USB551L */
-	/* This match must come *before* the generic CDC-ETHER match so that
-	 * we get FLAG_WWAN set on the device, since it's descriptors are
-	 * generic CDC-ETHER.
-	 */
-	.match_flags    =   USB_DEVICE_ID_MATCH_VENDOR
-		 | USB_DEVICE_ID_MATCH_PRODUCT
-		 | USB_DEVICE_ID_MATCH_INT_INFO,
-	.idVendor               = NOVATEL_VENDOR_ID,
-	.idProduct		= 0xB001,
-	.bInterfaceClass	= USB_CLASS_COMM,
-	.bInterfaceSubClass	= USB_CDC_SUBCLASS_ETHERNET,
-	.bInterfaceProtocol	= USB_CDC_PROTO_NONE,
-	.driver_info = (unsigned long)&wwan_info,
-}, {
 	/* ZTE (Vodafone) K3805-Z */
 	.match_flags    =   USB_DEVICE_ID_MATCH_VENDOR
 		 | USB_DEVICE_ID_MATCH_PRODUCT
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index a28a983d465..534d8becbbd 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -62,6 +62,7 @@
 #define USB_PRODUCT_IPAD 0x129a
 #define USB_PRODUCT_IPHONE_4_VZW 0x129c
 #define USB_PRODUCT_IPHONE_4S	0x12a0
+#define USB_PRODUCT_IPHONE_5	0x12a8
 
 #define IPHETH_USBINTF_CLASS    255
 #define IPHETH_USBINTF_SUBCLASS 253
@@ -113,6 +114,10 @@ static struct usb_device_id ipheth_table[] = {
 		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4S,
 		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 		IPHETH_USBINTF_PROTO) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(
+		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_5,
+		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
+		IPHETH_USBINTF_PROTO) },
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, ipheth_table);
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index c75e11e1b38..afb117c16d2 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -424,7 +424,7 @@ static int kaweth_download_firmware(struct kaweth_device *kaweth,
 
 	netdev_dbg(kaweth->net,
 		   "Downloading firmware at %p to kaweth device at %p\n",
-		   fw->data, kaweth);
+		   kaweth->firmware_buf, kaweth);
 	netdev_dbg(kaweth->net, "Firmware length: %d\n", data_len);
 
 	return kaweth_control(kaweth,
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 03c2d8d653d..cc7e72010ac 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -117,6 +117,7 @@ enum {
 struct mcs7830_data {
 	u8 multi_filter[8];
 	u8 config;
+	u8 link_counter;
 };
 
 static const char driver_name[] = "MOSCHIP usb-ethernet driver";
@@ -632,20 +633,31 @@ static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 static void mcs7830_status(struct usbnet *dev, struct urb *urb)
 {
 	u8 *buf = urb->transfer_buffer;
-	bool link;
+	bool link, link_changed;
+	struct mcs7830_data *data = mcs7830_get_data(dev);
 
 	if (urb->actual_length < 16)
 		return;
 
 	link = !(buf[1] & 0x20);
-	if (netif_carrier_ok(dev->net) != link) {
-		if (link) {
-			netif_carrier_on(dev->net);
-			usbnet_defer_kevent(dev, EVENT_LINK_RESET);
-		} else
-			netif_carrier_off(dev->net);
-		netdev_dbg(dev->net, "Link Status is: %d\n", link);
-	}
+	link_changed = netif_carrier_ok(dev->net) != link;
+	if (link_changed) {
+		data->link_counter++;
+		/*
+		   track link state 20 times to guard against erroneous
+		   link state changes reported sometimes by the chip
+		 */
+		if (data->link_counter > 20) {
+			data->link_counter = 0;
+			if (link) {
+				netif_carrier_on(dev->net);
+				usbnet_defer_kevent(dev, EVENT_LINK_RESET);
+			} else
+				netif_carrier_off(dev->net);
+			netdev_dbg(dev->net, "Link Status is: %d\n", link);
+		}
+	} else
+		data->link_counter = 0;
 }
 
 static const struct driver_info moschip_info = {
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 6883c371c59..3b566fa0f8e 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -369,18 +369,73 @@ static const struct usb_device_id products[] = {
 		USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff),
 		.driver_info        = (unsigned long)&qmi_wwan_info,
 	},
+	{	/* Novatel USB551L and MC551 */
+		USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001,
+		                              USB_CLASS_COMM,
+		                              USB_CDC_SUBCLASS_ETHERNET,
+		                              USB_CDC_PROTO_NONE),
+		.driver_info        = (unsigned long)&qmi_wwan_info,
+	},
+	{	/* Novatel E362 */
+		USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010,
+		                              USB_CLASS_COMM,
+		                              USB_CDC_SUBCLASS_ETHERNET,
+		                              USB_CDC_PROTO_NONE),
+		.driver_info        = (unsigned long)&qmi_wwan_info,
+	},
 
 	/* 3. Combined interface devices matching on interface number */
+	{QMI_FIXED_INTF(0x19d2, 0x0002, 1)},
+	{QMI_FIXED_INTF(0x19d2, 0x0012, 1)},
+	{QMI_FIXED_INTF(0x19d2, 0x0017, 3)},
+	{QMI_FIXED_INTF(0x19d2, 0x0021, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x0025, 1)},
+	{QMI_FIXED_INTF(0x19d2, 0x0031, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x0042, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x0049, 5)},
+	{QMI_FIXED_INTF(0x19d2, 0x0052, 4)},
 	{QMI_FIXED_INTF(0x19d2, 0x0055, 1)},	/* ZTE (Vodafone) K3520-Z */
+	{QMI_FIXED_INTF(0x19d2, 0x0058, 4)},
 	{QMI_FIXED_INTF(0x19d2, 0x0063, 4)},	/* ZTE (Vodafone) K3565-Z */
 	{QMI_FIXED_INTF(0x19d2, 0x0104, 4)},	/* ZTE (Vodafone) K4505-Z */
+	{QMI_FIXED_INTF(0x19d2, 0x0113, 5)},
+	{QMI_FIXED_INTF(0x19d2, 0x0118, 5)},
+	{QMI_FIXED_INTF(0x19d2, 0x0121, 5)},
+	{QMI_FIXED_INTF(0x19d2, 0x0123, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x0124, 5)},
+	{QMI_FIXED_INTF(0x19d2, 0x0125, 6)},
+	{QMI_FIXED_INTF(0x19d2, 0x0126, 5)},
+	{QMI_FIXED_INTF(0x19d2, 0x0130, 1)},
+	{QMI_FIXED_INTF(0x19d2, 0x0133, 3)},
+	{QMI_FIXED_INTF(0x19d2, 0x0141, 5)},
 	{QMI_FIXED_INTF(0x19d2, 0x0157, 5)},	/* ZTE MF683 */
+	{QMI_FIXED_INTF(0x19d2, 0x0158, 3)},
 	{QMI_FIXED_INTF(0x19d2, 0x0167, 4)},	/* ZTE MF820D */
+	{QMI_FIXED_INTF(0x19d2, 0x0168, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x0176, 3)},
+	{QMI_FIXED_INTF(0x19d2, 0x0178, 3)},
+	{QMI_FIXED_INTF(0x19d2, 0x0191, 4)},	/* ZTE EuFi890 */
+	{QMI_FIXED_INTF(0x19d2, 0x0199, 1)},	/* ZTE MF820S */
+	{QMI_FIXED_INTF(0x19d2, 0x0200, 1)},
+	{QMI_FIXED_INTF(0x19d2, 0x0257, 3)},	/* ZTE MF821 */
 	{QMI_FIXED_INTF(0x19d2, 0x0326, 4)},	/* ZTE MF821D */
 	{QMI_FIXED_INTF(0x19d2, 0x1008, 4)},	/* ZTE (Vodafone) K3570-Z */
 	{QMI_FIXED_INTF(0x19d2, 0x1010, 4)},	/* ZTE (Vodafone) K3571-Z */
+	{QMI_FIXED_INTF(0x19d2, 0x1012, 4)},
 	{QMI_FIXED_INTF(0x19d2, 0x1018, 3)},	/* ZTE (Vodafone) K5006-Z */
+	{QMI_FIXED_INTF(0x19d2, 0x1021, 2)},
+	{QMI_FIXED_INTF(0x19d2, 0x1245, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x1247, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x1252, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x1254, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x1255, 3)},
+	{QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
+	{QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
 	{QMI_FIXED_INTF(0x19d2, 0x1402, 2)},	/* ZTE MF60 */
+	{QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
+	{QMI_FIXED_INTF(0x19d2, 0x1425, 2)},
+	{QMI_FIXED_INTF(0x19d2, 0x1426, 2)},	/* ZTE MF91 */
 	{QMI_FIXED_INTF(0x19d2, 0x2002, 4)},	/* ZTE (Vodafone) K3765-Z */
 	{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)},    /* Sierra Wireless MC7700 */
 	{QMI_FIXED_INTF(0x114f, 0x68a2, 8)},    /* Sierra Wireless MC7750 */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index fc9f578a1e2..cb04f900cc4 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1158,6 +1158,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
 		usb_anchor_urb(urb, &dev->deferred);
 		/* no use to process more packets */
 		netif_stop_queue(net);
+		usb_put_urb(urb);
 		spin_unlock_irqrestore(&dev->txq.lock, flags);
 		netdev_dbg(dev->net, "Delaying transmission for resumption\n");
 		goto deferred;
@@ -1310,6 +1311,8 @@ void usbnet_disconnect (struct usb_interface *intf)
 
 	cancel_work_sync(&dev->kevent);
 
+	usb_scuttle_anchored_urbs(&dev->deferred);
+
 	if (dev->driver_info->unbind)
 		dev->driver_info->unbind (dev, intf);
 
@@ -1588,10 +1591,27 @@ int usbnet_resume (struct usb_interface *intf)
 			tasklet_schedule (&dev->bh);
 		}
 	}
+
+	if (test_and_clear_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags))
+		usb_autopm_get_interface_no_resume(intf);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(usbnet_resume);
 
+/*
+ * Either a subdriver implements manage_power, then it is assumed to always
+ * be ready to be suspended or it reports the readiness to be suspended
+ * explicitly
+ */
+void usbnet_device_suggests_idle(struct usbnet *dev)
+{
+	if (!test_and_set_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) {
+		dev->intf->needs_remote_wakeup = 1;
+		usb_autopm_put_interface_async(dev->intf);
+	}
+}
+EXPORT_SYMBOL(usbnet_device_suggests_idle);
 
 /*-------------------------------------------------------------------------*/
 
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index ce9d4f2c977..0ae1bcc6da7 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -744,28 +744,43 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
 
 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
 		const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
+		u32 buf_size;
 
-		tbi = tq->buf_info + tq->tx_ring.next2fill;
-		tbi->map_type = VMXNET3_MAP_PAGE;
-		tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag,
-						 0, skb_frag_size(frag),
-						 DMA_TO_DEVICE);
+		buf_offset = 0;
+		len = skb_frag_size(frag);
+		while (len) {
+			tbi = tq->buf_info + tq->tx_ring.next2fill;
+			if (len < VMXNET3_MAX_TX_BUF_SIZE) {
+				buf_size = len;
+				dw2 |= len;
+			} else {
+				buf_size = VMXNET3_MAX_TX_BUF_SIZE;
+				/* spec says that for TxDesc.len, 0 == 2^14 */
+			}
+			tbi->map_type = VMXNET3_MAP_PAGE;
+			tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag,
+							 buf_offset, buf_size,
+							 DMA_TO_DEVICE);
 
-		tbi->len = skb_frag_size(frag);
+			tbi->len = buf_size;
 
-		gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
-		BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
+			gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
+			BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
 
-		gdesc->txd.addr = cpu_to_le64(tbi->dma_addr);
-		gdesc->dword[2] = cpu_to_le32(dw2 | skb_frag_size(frag));
-		gdesc->dword[3] = 0;
+			gdesc->txd.addr = cpu_to_le64(tbi->dma_addr);
+			gdesc->dword[2] = cpu_to_le32(dw2);
+			gdesc->dword[3] = 0;
 
-		dev_dbg(&adapter->netdev->dev,
-			"txd[%u]: 0x%llu %u %u\n",
-			tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr),
-			le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]);
-		vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
-		dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
+			dev_dbg(&adapter->netdev->dev,
+				"txd[%u]: 0x%llu %u %u\n",
+				tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr),
+				le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]);
+			vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
+			dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
+
+			len -= buf_size;
+			buf_offset += buf_size;
+		}
 	}
 
 	ctx->eop_txd = gdesc;
@@ -886,6 +901,18 @@ vmxnet3_prepare_tso(struct sk_buff *skb,
 	}
 }
 
+static int txd_estimate(const struct sk_buff *skb)
+{
+	int count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + 1;
+	int i;
+
+	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+		const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
+
+		count += VMXNET3_TXD_NEEDED(skb_frag_size(frag));
+	}
+	return count;
+}
 
 /*
  * Transmits a pkt thru a given tq
@@ -914,9 +941,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 	union Vmxnet3_GenericDesc tempTxDesc;
 #endif
 
-	/* conservatively estimate # of descriptors to use */
-	count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) +
-		skb_shinfo(skb)->nr_frags + 1;
+	count = txd_estimate(skb);
 
 	ctx.ipv4 = (vlan_get_protocol(skb) == cpu_to_be16(ETH_P_IP));
 
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 51de9edb55f..7b4adde93c0 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -28,7 +28,6 @@
 #include <linux/igmp.h>
 #include <linux/etherdevice.h>
 #include <linux/if_ether.h>
-#include <linux/version.h>
 #include <linux/hash.h>
 #include <net/ip.h>
 #include <net/icmp.h>
@@ -107,6 +106,8 @@ struct vxlan_dev {
 	__be32	          gaddr;	/* multicast group */
 	__be32		  saddr;	/* source address */
 	unsigned int      link;		/* link to multicast over */
+	__u16		  port_min;	/* source port range */
+	__u16		  port_max;
 	__u8		  tos;		/* TOS override */
 	__u8		  ttl;
 	bool		  learn;
@@ -229,9 +230,9 @@ static u32 eth_hash(const unsigned char *addr)
 
 	/* only want 6 bytes */
 #ifdef __BIG_ENDIAN
-	value <<= 16;
-#else
 	value >>= 16;
+#else
+	value <<= 16;
 #endif
 	return hash_64(value, FDB_HASH_BITS);
 }
@@ -536,7 +537,6 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	__skb_pull(skb, sizeof(struct vxlanhdr));
-	skb_postpull_rcsum(skb, eth_hdr(skb), sizeof(struct vxlanhdr));
 
 	/* Is this VNI defined? */
 	vni = ntohl(vxh->vx_vni) >> 8;
@@ -555,7 +555,6 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
 	/* Re-examine inner Ethernet packet */
 	oip = ip_hdr(skb);
 	skb->protocol = eth_type_trans(skb, vxlan->dev);
-	skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
 
 	/* Ignore packet loops (and multicast echo) */
 	if (compare_ether_addr(eth_hdr(skb)->h_source,
@@ -567,6 +566,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
 
 	__skb_tunnel_rx(skb, vxlan->dev);
 	skb_reset_network_header(skb);
+	skb->ip_summed = CHECKSUM_NONE;
 
 	err = IP_ECN_decapsulate(oip, skb);
 	if (unlikely(err)) {
@@ -622,46 +622,89 @@ static inline u8 vxlan_ecn_encap(u8 tos,
 	return INET_ECN_encapsulate(tos, inner);
 }
 
+static __be32 vxlan_find_dst(struct vxlan_dev *vxlan, struct sk_buff *skb)
+{
+	const struct ethhdr *eth = (struct ethhdr *) skb->data;
+	const struct vxlan_fdb *f;
+
+	if (is_multicast_ether_addr(eth->h_dest))
+		return vxlan->gaddr;
+
+	f = vxlan_find_mac(vxlan, eth->h_dest);
+	if (f)
+		return f->remote_ip;
+	else
+		return vxlan->gaddr;
+
+}
+
+static void vxlan_sock_free(struct sk_buff *skb)
+{
+	sock_put(skb->sk);
+}
+
+/* On transmit, associate with the tunnel socket */
+static void vxlan_set_owner(struct net_device *dev, struct sk_buff *skb)
+{
+	struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id);
+	struct sock *sk = vn->sock->sk;
+
+	skb_orphan(skb);
+	sock_hold(sk);
+	skb->sk = sk;
+	skb->destructor = vxlan_sock_free;
+}
+
+/* Compute source port for outgoing packet
+ *   first choice to use L4 flow hash since it will spread
+ *     better and maybe available from hardware
+ *   secondary choice is to use jhash on the Ethernet header
+ */
+static u16 vxlan_src_port(const struct vxlan_dev *vxlan, struct sk_buff *skb)
+{
+	unsigned int range = (vxlan->port_max - vxlan->port_min) + 1;
+	u32 hash;
+
+	hash = skb_get_rxhash(skb);
+	if (!hash)
+		hash = jhash(skb->data, 2 * ETH_ALEN,
+			     (__force u32) skb->protocol);
+
+	return (((u64) hash * range) >> 32) + vxlan->port_min;
+}
+
 /* Transmit local packets over Vxlan
  *
  * Outer IP header inherits ECN and DF from inner header.
  * Outer UDP destination is the VXLAN assigned port.
- *           source port is based on hash of flow if available
- *                       otherwise use a random value
+ *           source port is based on hash of flow
  */
 static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct vxlan_dev *vxlan = netdev_priv(dev);
 	struct rtable *rt;
-	const struct ethhdr *eth;
 	const struct iphdr *old_iph;
 	struct iphdr *iph;
 	struct vxlanhdr *vxh;
 	struct udphdr *uh;
 	struct flowi4 fl4;
-	struct vxlan_fdb *f;
 	unsigned int pkt_len = skb->len;
-	u32 hash;
 	__be32 dst;
+	__u16 src_port;
 	__be16 df = 0;
 	__u8 tos, ttl;
 	int err;
 
+	dst = vxlan_find_dst(vxlan, skb);
+	if (!dst)
+		goto drop;
+
 	/* Need space for new headers (invalidates iph ptr) */
 	if (skb_cow_head(skb, VXLAN_HEADROOM))
 		goto drop;
 
-	eth = (void *)skb->data;
 	old_iph = ip_hdr(skb);
 
-	if (!is_multicast_ether_addr(eth->h_dest) &&
-	    (f = vxlan_find_mac(vxlan, eth->h_dest)))
-		dst = f->remote_ip;
-	else if (vxlan->gaddr) {
-		dst = vxlan->gaddr;
-	} else
-		goto drop;
-
 	ttl = vxlan->ttl;
 	if (!ttl && IN_MULTICAST(ntohl(dst)))
 		ttl = 1;
@@ -670,11 +713,15 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (tos == 1)
 		tos = vxlan_get_dsfield(old_iph, skb);
 
-	hash = skb_get_rxhash(skb);
+	src_port = vxlan_src_port(vxlan, skb);
+
+	memset(&fl4, 0, sizeof(fl4));
+	fl4.flowi4_oif = vxlan->link;
+	fl4.flowi4_tos = RT_TOS(tos);
+	fl4.daddr = dst;
+	fl4.saddr = vxlan->saddr;
 
-	rt = ip_route_output_gre(dev_net(dev), &fl4, dst,
-				 vxlan->saddr, vxlan->vni,
-				 RT_TOS(tos), vxlan->link);
+	rt = ip_route_output_key(dev_net(dev), &fl4);
 	if (IS_ERR(rt)) {
 		netdev_dbg(dev, "no route to %pI4\n", &dst);
 		dev->stats.tx_carrier_errors++;
@@ -703,7 +750,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 	uh = udp_hdr(skb);
 
 	uh->dest = htons(vxlan_port);
-	uh->source = hash ? :random32();
+	uh->source = htons(src_port);
 
 	uh->len = htons(skb->len);
 	uh->check = 0;
@@ -716,10 +763,12 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 	iph->frag_off	= df;
 	iph->protocol	= IPPROTO_UDP;
 	iph->tos	= vxlan_ecn_encap(tos, old_iph, skb);
-	iph->daddr	= fl4.daddr;
+	iph->daddr	= dst;
 	iph->saddr	= fl4.saddr;
 	iph->ttl	= ttl ? : ip4_dst_hoplimit(&rt->dst);
 
+	vxlan_set_owner(dev, skb);
+
 	/* See __IPTUNNEL_XMIT */
 	skb->ip_summed = CHECKSUM_NONE;
 	ip_select_ident(iph, &rt->dst, NULL);
@@ -767,7 +816,7 @@ static void vxlan_cleanup(unsigned long arg)
 				= container_of(p, struct vxlan_fdb, hlist);
 			unsigned long timeout;
 
-			if (f->state == NUD_PERMANENT)
+			if (f->state & NUD_PERMANENT)
 				continue;
 
 			timeout = f->used + vxlan->age_interval * HZ;
@@ -929,9 +978,11 @@ static void vxlan_setup(struct net_device *dev)
 {
 	struct vxlan_dev *vxlan = netdev_priv(dev);
 	unsigned h;
+	int low, high;
 
 	eth_hw_addr_random(dev);
 	ether_setup(dev);
+	dev->hard_header_len = ETH_HLEN + VXLAN_HEADROOM;
 
 	dev->netdev_ops = &vxlan_netdev_ops;
 	dev->destructor = vxlan_free;
@@ -948,6 +999,10 @@ static void vxlan_setup(struct net_device *dev)
 	vxlan->age_timer.function = vxlan_cleanup;
 	vxlan->age_timer.data = (unsigned long) vxlan;
 
+	inet_get_local_port_range(&low, &high);
+	vxlan->port_min = low;
+	vxlan->port_max = high;
+
 	vxlan->dev = dev;
 
 	for (h = 0; h < FDB_HASH_SIZE; ++h)
@@ -964,6 +1019,7 @@ static const struct nla_policy vxlan_policy[IFLA_VXLAN_MAX + 1] = {
 	[IFLA_VXLAN_LEARNING]	= { .type = NLA_U8 },
 	[IFLA_VXLAN_AGEING]	= { .type = NLA_U32 },
 	[IFLA_VXLAN_LIMIT]	= { .type = NLA_U32 },
+	[IFLA_VXLAN_PORT_RANGE] = { .len  = sizeof(struct ifla_vxlan_port_range) },
 };
 
 static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -996,6 +1052,18 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[])
 			return -EADDRNOTAVAIL;
 		}
 	}
+
+	if (data[IFLA_VXLAN_PORT_RANGE]) {
+		const struct ifla_vxlan_port_range *p
+			= nla_data(data[IFLA_VXLAN_PORT_RANGE]);
+
+		if (ntohs(p->high) < ntohs(p->low)) {
+			pr_debug("port range %u .. %u not valid\n",
+				 ntohs(p->low), ntohs(p->high));
+			return -EINVAL;
+		}
+	}
+
 	return 0;
 }
 
@@ -1022,14 +1090,18 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
 	if (data[IFLA_VXLAN_LOCAL])
 		vxlan->saddr = nla_get_be32(data[IFLA_VXLAN_LOCAL]);
 
-	if (data[IFLA_VXLAN_LINK]) {
-		vxlan->link = nla_get_u32(data[IFLA_VXLAN_LINK]);
+	if (data[IFLA_VXLAN_LINK] &&
+	    (vxlan->link = nla_get_u32(data[IFLA_VXLAN_LINK]))) {
+		struct net_device *lowerdev
+			 = __dev_get_by_index(net, vxlan->link);
 
-		if (!tb[IFLA_MTU]) {
-			struct net_device *lowerdev;
-			lowerdev = __dev_get_by_index(net, vxlan->link);
-			dev->mtu = lowerdev->mtu - VXLAN_HEADROOM;
+		if (!lowerdev) {
+			pr_info("ifindex %d does not exist\n", vxlan->link);
+			return -ENODEV;
 		}
+
+		if (!tb[IFLA_MTU])
+			dev->mtu = lowerdev->mtu - VXLAN_HEADROOM;
 	}
 
 	if (data[IFLA_VXLAN_TOS])
@@ -1046,6 +1118,13 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
 	if (data[IFLA_VXLAN_LIMIT])
 		vxlan->addrmax = nla_get_u32(data[IFLA_VXLAN_LIMIT]);
 
+	if (data[IFLA_VXLAN_PORT_RANGE]) {
+		const struct ifla_vxlan_port_range *p
+			= nla_data(data[IFLA_VXLAN_PORT_RANGE]);
+		vxlan->port_min = ntohs(p->low);
+		vxlan->port_max = ntohs(p->high);
+	}
+
 	err = register_netdevice(dev);
 	if (!err)
 		hlist_add_head_rcu(&vxlan->hlist, vni_head(net, vxlan->vni));
@@ -1074,23 +1153,28 @@ static size_t vxlan_get_size(const struct net_device *dev)
 		nla_total_size(sizeof(__u8)) +	/* IFLA_VXLAN_LEARNING */
 		nla_total_size(sizeof(__u32)) +	/* IFLA_VXLAN_AGEING */
 		nla_total_size(sizeof(__u32)) +	/* IFLA_VXLAN_LIMIT */
+		nla_total_size(sizeof(struct ifla_vxlan_port_range)) +
 		0;
 }
 
 static int vxlan_fill_info(struct sk_buff *skb, const struct net_device *dev)
 {
 	const struct vxlan_dev *vxlan = netdev_priv(dev);
+	struct ifla_vxlan_port_range ports = {
+		.low =  htons(vxlan->port_min),
+		.high = htons(vxlan->port_max),
+	};
 
 	if (nla_put_u32(skb, IFLA_VXLAN_ID, vxlan->vni))
 		goto nla_put_failure;
 
-	if (vxlan->gaddr && nla_put_u32(skb, IFLA_VXLAN_GROUP, vxlan->gaddr))
+	if (vxlan->gaddr && nla_put_be32(skb, IFLA_VXLAN_GROUP, vxlan->gaddr))
 		goto nla_put_failure;
 
 	if (vxlan->link && nla_put_u32(skb, IFLA_VXLAN_LINK, vxlan->link))
 		goto nla_put_failure;
 
-	if (vxlan->saddr && nla_put_u32(skb, IFLA_VXLAN_LOCAL, vxlan->saddr))
+	if (vxlan->saddr && nla_put_be32(skb, IFLA_VXLAN_LOCAL, vxlan->saddr))
 		goto nla_put_failure;
 
 	if (nla_put_u8(skb, IFLA_VXLAN_TTL, vxlan->ttl) ||
@@ -1100,6 +1184,9 @@ static int vxlan_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	    nla_put_u32(skb, IFLA_VXLAN_LIMIT, vxlan->addrmax))
 		goto nla_put_failure;
 
+	if (nla_put(skb, IFLA_VXLAN_PORT_RANGE, sizeof(ports), &ports))
+		goto nla_put_failure;
+
 	return 0;
 
 nla_put_failure:
diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
index 1a623183cbe..b6271325f80 100644
--- a/drivers/net/wan/farsync.c
+++ b/drivers/net/wan/farsync.c
@@ -597,7 +597,7 @@ fst_q_work_item(u64 * queue, int card_index)
 	 * bottom half for the card.  Note the limitation of 64 cards.
 	 * That ought to be enough
 	 */
-	mask = 1 << card_index;
+	mask = (u64)1 << card_index;
 	*queue |= mask;
 	spin_unlock_irqrestore(&fst_work_q_lock, flags);
 }
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 9fd6d9a9942..9f31cfa56cc 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1804,7 +1804,7 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
 	int ret;
 	struct ath5k_hw *ah = hw->priv;
-	struct ath5k_vif *avf = (void *)vif->drv_priv;
+	struct ath5k_vif *avf;
 	struct sk_buff *skb;
 
 	if (WARN_ON(!vif)) {
@@ -1819,6 +1819,7 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 		goto out;
 	}
 
+	avf = (void *)vif->drv_priv;
 	ath5k_txbuf_free_skb(ah, avf->bbuf);
 	avf->bbuf->skb = skb;
 	ret = ath5k_beacon_setup(ah, avf->bbuf);
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
index 89bf94d4d8a..6f7cf49eff4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
@@ -534,107 +534,107 @@ static const u32 ar9300_2p2_baseband_core[][2] = {
 
 static const u32 ar9300Modes_high_power_tx_gain_table_2p2[][5] = {
 	/* Addr      5G_HT20     5G_HT40     2G_HT40     2G_HT20   */
-	{0x0000a2dc, 0x000cfff0, 0x000cfff0, 0x03aaa352, 0x03aaa352},
-	{0x0000a2e0, 0x000f0000, 0x000f0000, 0x03ccc584, 0x03ccc584},
-	{0x0000a2e4, 0x03f00000, 0x03f00000, 0x03f0f800, 0x03f0f800},
+	{0x0000a2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
+	{0x0000a2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
+	{0x0000a2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
 	{0x0000a2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
 	{0x0000a410, 0x000050d9, 0x000050d9, 0x000050d9, 0x000050d9},
 	{0x0000a500, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
 	{0x0000a504, 0x06000003, 0x06000003, 0x04000002, 0x04000002},
 	{0x0000a508, 0x0a000020, 0x0a000020, 0x08000004, 0x08000004},
 	{0x0000a50c, 0x10000023, 0x10000023, 0x0b000200, 0x0b000200},
-	{0x0000a510, 0x15000028, 0x15000028, 0x0f000202, 0x0f000202},
-	{0x0000a514, 0x1b00002b, 0x1b00002b, 0x12000400, 0x12000400},
-	{0x0000a518, 0x1f020028, 0x1f020028, 0x16000402, 0x16000402},
-	{0x0000a51c, 0x2502002b, 0x2502002b, 0x19000404, 0x19000404},
-	{0x0000a520, 0x2a04002a, 0x2a04002a, 0x1c000603, 0x1c000603},
-	{0x0000a524, 0x2e06002a, 0x2e06002a, 0x21000a02, 0x21000a02},
-	{0x0000a528, 0x3302202d, 0x3302202d, 0x25000a04, 0x25000a04},
-	{0x0000a52c, 0x3804202c, 0x3804202c, 0x28000a20, 0x28000a20},
-	{0x0000a530, 0x3c06202c, 0x3c06202c, 0x2c000e20, 0x2c000e20},
-	{0x0000a534, 0x4108202d, 0x4108202d, 0x30000e22, 0x30000e22},
-	{0x0000a538, 0x4506402d, 0x4506402d, 0x34000e24, 0x34000e24},
-	{0x0000a53c, 0x4906222d, 0x4906222d, 0x38001640, 0x38001640},
-	{0x0000a540, 0x4d062231, 0x4d062231, 0x3c001660, 0x3c001660},
-	{0x0000a544, 0x50082231, 0x50082231, 0x3f001861, 0x3f001861},
-	{0x0000a548, 0x5608422e, 0x5608422e, 0x43001a81, 0x43001a81},
-	{0x0000a54c, 0x5a08442e, 0x5a08442e, 0x47001a83, 0x47001a83},
-	{0x0000a550, 0x5e0a4431, 0x5e0a4431, 0x4a001c84, 0x4a001c84},
-	{0x0000a554, 0x640a4432, 0x640a4432, 0x4e001ce3, 0x4e001ce3},
-	{0x0000a558, 0x680a4434, 0x680a4434, 0x52001ce5, 0x52001ce5},
-	{0x0000a55c, 0x6c0a6434, 0x6c0a6434, 0x56001ce9, 0x56001ce9},
-	{0x0000a560, 0x6f0a6633, 0x6f0a6633, 0x5a001ceb, 0x5a001ceb},
-	{0x0000a564, 0x730c6634, 0x730c6634, 0x5d001eec, 0x5d001eec},
-	{0x0000a568, 0x730c6634, 0x730c6634, 0x5d001eec, 0x5d001eec},
-	{0x0000a56c, 0x730c6634, 0x730c6634, 0x5d001eec, 0x5d001eec},
-	{0x0000a570, 0x730c6634, 0x730c6634, 0x5d001eec, 0x5d001eec},
-	{0x0000a574, 0x730c6634, 0x730c6634, 0x5d001eec, 0x5d001eec},
-	{0x0000a578, 0x730c6634, 0x730c6634, 0x5d001eec, 0x5d001eec},
-	{0x0000a57c, 0x730c6634, 0x730c6634, 0x5d001eec, 0x5d001eec},
+	{0x0000a510, 0x16000220, 0x16000220, 0x0f000202, 0x0f000202},
+	{0x0000a514, 0x1c000223, 0x1c000223, 0x12000400, 0x12000400},
+	{0x0000a518, 0x21002220, 0x21002220, 0x16000402, 0x16000402},
+	{0x0000a51c, 0x27002223, 0x27002223, 0x19000404, 0x19000404},
+	{0x0000a520, 0x2b022220, 0x2b022220, 0x1c000603, 0x1c000603},
+	{0x0000a524, 0x2f022222, 0x2f022222, 0x21000a02, 0x21000a02},
+	{0x0000a528, 0x34022225, 0x34022225, 0x25000a04, 0x25000a04},
+	{0x0000a52c, 0x3a02222a, 0x3a02222a, 0x28000a20, 0x28000a20},
+	{0x0000a530, 0x3e02222c, 0x3e02222c, 0x2c000e20, 0x2c000e20},
+	{0x0000a534, 0x4202242a, 0x4202242a, 0x30000e22, 0x30000e22},
+	{0x0000a538, 0x4702244a, 0x4702244a, 0x34000e24, 0x34000e24},
+	{0x0000a53c, 0x4b02244c, 0x4b02244c, 0x38001640, 0x38001640},
+	{0x0000a540, 0x4e02246c, 0x4e02246c, 0x3c001660, 0x3c001660},
+	{0x0000a544, 0x52022470, 0x52022470, 0x3f001861, 0x3f001861},
+	{0x0000a548, 0x55022490, 0x55022490, 0x43001a81, 0x43001a81},
+	{0x0000a54c, 0x59022492, 0x59022492, 0x47001a83, 0x47001a83},
+	{0x0000a550, 0x5d022692, 0x5d022692, 0x4a001c84, 0x4a001c84},
+	{0x0000a554, 0x61022892, 0x61022892, 0x4e001ce3, 0x4e001ce3},
+	{0x0000a558, 0x65024890, 0x65024890, 0x52001ce5, 0x52001ce5},
+	{0x0000a55c, 0x69024892, 0x69024892, 0x56001ce9, 0x56001ce9},
+	{0x0000a560, 0x6e024c92, 0x6e024c92, 0x5a001ceb, 0x5a001ceb},
+	{0x0000a564, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+	{0x0000a568, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+	{0x0000a56c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+	{0x0000a570, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+	{0x0000a574, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+	{0x0000a578, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+	{0x0000a57c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
 	{0x0000a580, 0x00800000, 0x00800000, 0x00800000, 0x00800000},
 	{0x0000a584, 0x06800003, 0x06800003, 0x04800002, 0x04800002},
 	{0x0000a588, 0x0a800020, 0x0a800020, 0x08800004, 0x08800004},
 	{0x0000a58c, 0x10800023, 0x10800023, 0x0b800200, 0x0b800200},
-	{0x0000a590, 0x15800028, 0x15800028, 0x0f800202, 0x0f800202},
-	{0x0000a594, 0x1b80002b, 0x1b80002b, 0x12800400, 0x12800400},
-	{0x0000a598, 0x1f820028, 0x1f820028, 0x16800402, 0x16800402},
-	{0x0000a59c, 0x2582002b, 0x2582002b, 0x19800404, 0x19800404},
-	{0x0000a5a0, 0x2a84002a, 0x2a84002a, 0x1c800603, 0x1c800603},
-	{0x0000a5a4, 0x2e86002a, 0x2e86002a, 0x21800a02, 0x21800a02},
-	{0x0000a5a8, 0x3382202d, 0x3382202d, 0x25800a04, 0x25800a04},
-	{0x0000a5ac, 0x3884202c, 0x3884202c, 0x28800a20, 0x28800a20},
-	{0x0000a5b0, 0x3c86202c, 0x3c86202c, 0x2c800e20, 0x2c800e20},
-	{0x0000a5b4, 0x4188202d, 0x4188202d, 0x30800e22, 0x30800e22},
-	{0x0000a5b8, 0x4586402d, 0x4586402d, 0x34800e24, 0x34800e24},
-	{0x0000a5bc, 0x4986222d, 0x4986222d, 0x38801640, 0x38801640},
-	{0x0000a5c0, 0x4d862231, 0x4d862231, 0x3c801660, 0x3c801660},
-	{0x0000a5c4, 0x50882231, 0x50882231, 0x3f801861, 0x3f801861},
-	{0x0000a5c8, 0x5688422e, 0x5688422e, 0x43801a81, 0x43801a81},
-	{0x0000a5cc, 0x5a88442e, 0x5a88442e, 0x47801a83, 0x47801a83},
-	{0x0000a5d0, 0x5e8a4431, 0x5e8a4431, 0x4a801c84, 0x4a801c84},
-	{0x0000a5d4, 0x648a4432, 0x648a4432, 0x4e801ce3, 0x4e801ce3},
-	{0x0000a5d8, 0x688a4434, 0x688a4434, 0x52801ce5, 0x52801ce5},
-	{0x0000a5dc, 0x6c8a6434, 0x6c8a6434, 0x56801ce9, 0x56801ce9},
-	{0x0000a5e0, 0x6f8a6633, 0x6f8a6633, 0x5a801ceb, 0x5a801ceb},
-	{0x0000a5e4, 0x738c6634, 0x738c6634, 0x5d801eec, 0x5d801eec},
-	{0x0000a5e8, 0x738c6634, 0x738c6634, 0x5d801eec, 0x5d801eec},
-	{0x0000a5ec, 0x738c6634, 0x738c6634, 0x5d801eec, 0x5d801eec},
-	{0x0000a5f0, 0x738c6634, 0x738c6634, 0x5d801eec, 0x5d801eec},
-	{0x0000a5f4, 0x738c6634, 0x738c6634, 0x5d801eec, 0x5d801eec},
-	{0x0000a5f8, 0x738c6634, 0x738c6634, 0x5d801eec, 0x5d801eec},
-	{0x0000a5fc, 0x738c6634, 0x738c6634, 0x5d801eec, 0x5d801eec},
+	{0x0000a590, 0x16800220, 0x16800220, 0x0f800202, 0x0f800202},
+	{0x0000a594, 0x1c800223, 0x1c800223, 0x12800400, 0x12800400},
+	{0x0000a598, 0x21802220, 0x21802220, 0x16800402, 0x16800402},
+	{0x0000a59c, 0x27802223, 0x27802223, 0x19800404, 0x19800404},
+	{0x0000a5a0, 0x2b822220, 0x2b822220, 0x1c800603, 0x1c800603},
+	{0x0000a5a4, 0x2f822222, 0x2f822222, 0x21800a02, 0x21800a02},
+	{0x0000a5a8, 0x34822225, 0x34822225, 0x25800a04, 0x25800a04},
+	{0x0000a5ac, 0x3a82222a, 0x3a82222a, 0x28800a20, 0x28800a20},
+	{0x0000a5b0, 0x3e82222c, 0x3e82222c, 0x2c800e20, 0x2c800e20},
+	{0x0000a5b4, 0x4282242a, 0x4282242a, 0x30800e22, 0x30800e22},
+	{0x0000a5b8, 0x4782244a, 0x4782244a, 0x34800e24, 0x34800e24},
+	{0x0000a5bc, 0x4b82244c, 0x4b82244c, 0x38801640, 0x38801640},
+	{0x0000a5c0, 0x4e82246c, 0x4e82246c, 0x3c801660, 0x3c801660},
+	{0x0000a5c4, 0x52822470, 0x52822470, 0x3f801861, 0x3f801861},
+	{0x0000a5c8, 0x55822490, 0x55822490, 0x43801a81, 0x43801a81},
+	{0x0000a5cc, 0x59822492, 0x59822492, 0x47801a83, 0x47801a83},
+	{0x0000a5d0, 0x5d822692, 0x5d822692, 0x4a801c84, 0x4a801c84},
+	{0x0000a5d4, 0x61822892, 0x61822892, 0x4e801ce3, 0x4e801ce3},
+	{0x0000a5d8, 0x65824890, 0x65824890, 0x52801ce5, 0x52801ce5},
+	{0x0000a5dc, 0x69824892, 0x69824892, 0x56801ce9, 0x56801ce9},
+	{0x0000a5e0, 0x6e824c92, 0x6e824c92, 0x5a801ceb, 0x5a801ceb},
+	{0x0000a5e4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+	{0x0000a5e8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+	{0x0000a5ec, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+	{0x0000a5f0, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+	{0x0000a5f4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+	{0x0000a5f8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+	{0x0000a5fc, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
 	{0x0000a600, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
 	{0x0000a604, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
-	{0x0000a608, 0x01804601, 0x01804601, 0x00000000, 0x00000000},
-	{0x0000a60c, 0x01804601, 0x01804601, 0x00000000, 0x00000000},
-	{0x0000a610, 0x01804601, 0x01804601, 0x00000000, 0x00000000},
-	{0x0000a614, 0x01804601, 0x01804601, 0x01404000, 0x01404000},
-	{0x0000a618, 0x01804601, 0x01804601, 0x01404501, 0x01404501},
-	{0x0000a61c, 0x01804601, 0x01804601, 0x02008501, 0x02008501},
-	{0x0000a620, 0x03408d02, 0x03408d02, 0x0280ca03, 0x0280ca03},
-	{0x0000a624, 0x0300cc03, 0x0300cc03, 0x03010c04, 0x03010c04},
-	{0x0000a628, 0x03410d04, 0x03410d04, 0x04014c04, 0x04014c04},
-	{0x0000a62c, 0x03410d04, 0x03410d04, 0x04015005, 0x04015005},
-	{0x0000a630, 0x03410d04, 0x03410d04, 0x04015005, 0x04015005},
-	{0x0000a634, 0x03410d04, 0x03410d04, 0x04015005, 0x04015005},
-	{0x0000a638, 0x03410d04, 0x03410d04, 0x04015005, 0x04015005},
-	{0x0000a63c, 0x03410d04, 0x03410d04, 0x04015005, 0x04015005},
-	{0x0000b2dc, 0x000cfff0, 0x000cfff0, 0x03aaa352, 0x03aaa352},
-	{0x0000b2e0, 0x000f0000, 0x000f0000, 0x03ccc584, 0x03ccc584},
-	{0x0000b2e4, 0x03f00000, 0x03f00000, 0x03f0f800, 0x03f0f800},
+	{0x0000a608, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+	{0x0000a60c, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+	{0x0000a610, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+	{0x0000a614, 0x02004000, 0x02004000, 0x01404000, 0x01404000},
+	{0x0000a618, 0x02004801, 0x02004801, 0x01404501, 0x01404501},
+	{0x0000a61c, 0x02808a02, 0x02808a02, 0x02008501, 0x02008501},
+	{0x0000a620, 0x0380ce03, 0x0380ce03, 0x0280ca03, 0x0280ca03},
+	{0x0000a624, 0x04411104, 0x04411104, 0x03010c04, 0x03010c04},
+	{0x0000a628, 0x04411104, 0x04411104, 0x04014c04, 0x04014c04},
+	{0x0000a62c, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+	{0x0000a630, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+	{0x0000a634, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+	{0x0000a638, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+	{0x0000a63c, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+	{0x0000b2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
+	{0x0000b2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
+	{0x0000b2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
 	{0x0000b2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
-	{0x0000c2dc, 0x000cfff0, 0x000cfff0, 0x03aaa352, 0x03aaa352},
-	{0x0000c2e0, 0x000f0000, 0x000f0000, 0x03ccc584, 0x03ccc584},
-	{0x0000c2e4, 0x03f00000, 0x03f00000, 0x03f0f800, 0x03f0f800},
+	{0x0000c2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
+	{0x0000c2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
+	{0x0000c2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
 	{0x0000c2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
 	{0x00016044, 0x012492d4, 0x012492d4, 0x012492d4, 0x012492d4},
-	{0x00016048, 0x61200001, 0x61200001, 0x66480001, 0x66480001},
+	{0x00016048, 0x66480001, 0x66480001, 0x66480001, 0x66480001},
 	{0x00016068, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c},
 	{0x00016444, 0x012492d4, 0x012492d4, 0x012492d4, 0x012492d4},
-	{0x00016448, 0x61200001, 0x61200001, 0x66480001, 0x66480001},
+	{0x00016448, 0x66480001, 0x66480001, 0x66480001, 0x66480001},
 	{0x00016468, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c},
 	{0x00016844, 0x012492d4, 0x012492d4, 0x012492d4, 0x012492d4},
-	{0x00016848, 0x61200001, 0x61200001, 0x66480001, 0x66480001},
+	{0x00016848, 0x66480001, 0x66480001, 0x66480001, 0x66480001},
 	{0x00016868, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c, 0x6db6db6c},
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 76f07d8c272..1b48414dca9 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -120,7 +120,7 @@ static void ath9k_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
 		ath_dbg(common, XMIT, "CABQ TX failed\n");
-		dev_kfree_skb_any(skb);
+		ieee80211_free_txskb(hw, skb);
 	}
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 924c4616c3d..f5dda84176c 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -38,6 +38,7 @@ static struct usb_device_id ath9k_hif_usb_ids[] = {
 	{ USB_DEVICE(0x04CA, 0x4605) }, /* Liteon */
 	{ USB_DEVICE(0x040D, 0x3801) }, /* VIA */
 	{ USB_DEVICE(0x0cf3, 0xb003) }, /* Ubiquiti WifiStation Ext */
+	{ USB_DEVICE(0x0cf3, 0xb002) }, /* Ubiquiti WifiStation */
 	{ USB_DEVICE(0x057c, 0x8403) }, /* AVM FRITZ!WLAN 11N v2 USB */
 
 	{ USB_DEVICE(0x0cf3, 0x7015),
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index f9a6ec5cf47..8e1559aba49 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1450,9 +1450,14 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
 	REG_WRITE(ah, AR_RTC_FORCE_WAKE,
 		  AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
 
+	if (!ah->reset_power_on)
+		type = ATH9K_RESET_POWER_ON;
+
 	switch (type) {
 	case ATH9K_RESET_POWER_ON:
 		ret = ath9k_hw_set_reset_power_on(ah);
+		if (!ret)
+			ah->reset_power_on = true;
 		break;
 	case ATH9K_RESET_WARM:
 	case ATH9K_RESET_COLD:
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 566a4ce4f15..dbc1b7a4cbf 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -741,6 +741,7 @@ struct ath_hw {
 	u32 rfkill_polarity;
 	u32 ah_flags;
 
+	bool reset_power_on;
 	bool htc_reset_init;
 
 	enum nl80211_iftype opmode;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 31ab82e3ba8..dd45edfa6ba 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -639,8 +639,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 		ath_err(common,
 			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
 			r, curchan->center_freq);
-		spin_unlock_bh(&sc->sc_pcu_lock);
-		goto mutex_unlock;
+		ah->reset_power_on = false;
 	}
 
 	/* Setup our intr mask. */
@@ -665,11 +664,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	clear_bit(SC_OP_INVALID, &sc->sc_flags);
 	sc->sc_ah->is_monitoring = false;
 
-	if (!ath_complete_reset(sc, false)) {
-		r = -EIO;
-		spin_unlock_bh(&sc->sc_pcu_lock);
-		goto mutex_unlock;
-	}
+	if (!ath_complete_reset(sc, false))
+		ah->reset_power_on = false;
 
 	if (ah->led_pin >= 0) {
 		ath9k_hw_cfg_output(ah, ah->led_pin,
@@ -688,12 +684,11 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
 		common->bus_ops->extn_synch_en(common);
 
-mutex_unlock:
 	mutex_unlock(&sc->mutex);
 
 	ath9k_ps_restore(sc);
 
-	return r;
+	return 0;
 }
 
 static void ath9k_tx(struct ieee80211_hw *hw,
@@ -770,7 +765,7 @@ static void ath9k_tx(struct ieee80211_hw *hw,
 
 	return;
 exit:
-	dev_kfree_skb_any(skb);
+	ieee80211_free_txskb(hw, skb);
 }
 
 static void ath9k_stop(struct ieee80211_hw *hw)
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 0e630a99b68..f088f4bf9a2 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -324,6 +324,10 @@ static int ath_pci_suspend(struct device *device)
 static int ath_pci_resume(struct device *device)
 {
 	struct pci_dev *pdev = to_pci_dev(device);
+	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct ath_softc *sc = hw->priv;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 val;
 
 	/*
@@ -335,6 +339,9 @@ static int ath_pci_resume(struct device *device)
 	if ((val & 0x0000ff00) != 0)
 		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 
+	ath_pci_aspm_init(common);
+	ah->reset_power_on = false;
+
 	return 0;
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 36618e3a5e6..741918a2027 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -66,8 +66,7 @@ static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
 static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
 					   struct ath_txq *txq,
 					   struct ath_atx_tid *tid,
-					   struct sk_buff *skb,
-					   bool dequeue);
+					   struct sk_buff *skb);
 
 enum {
 	MCS_HT20,
@@ -176,7 +175,15 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
 		fi = get_frame_info(skb);
 		bf = fi->bf;
 
-		if (bf && fi->retries) {
+		if (!bf) {
+			bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+			if (!bf) {
+				ieee80211_free_txskb(sc->hw, skb);
+				continue;
+			}
+		}
+
+		if (fi->retries) {
 			list_add_tail(&bf->list, &bf_head);
 			ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
 			ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
@@ -305,6 +312,7 @@ static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)
 	}
 
 	bf = list_first_entry(&sc->tx.txbuf, struct ath_buf, list);
+	bf->bf_next = NULL;
 	list_del(&bf->list);
 
 	spin_unlock_bh(&sc->tx.txbuflock);
@@ -386,7 +394,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first;
 	u32 ba[WME_BA_BMP_SIZE >> 5];
 	int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
-	bool rc_update = true;
+	bool rc_update = true, isba;
 	struct ieee80211_tx_rate rates[4];
 	struct ath_frame_info *fi;
 	int nframes;
@@ -430,13 +438,17 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
 	tid = ATH_AN_2_TID(an, tidno);
 	seq_first = tid->seq_start;
+	isba = ts->ts_flags & ATH9K_TX_BA;
 
 	/*
 	 * The hardware occasionally sends a tx status for the wrong TID.
 	 * In this case, the BA status cannot be considered valid and all
 	 * subframes need to be retransmitted
+	 *
+	 * Only BlockAcks have a TID and therefore normal Acks cannot be
+	 * checked
 	 */
-	if (tidno != ts->tid)
+	if (isba && tidno != ts->tid)
 		txok = false;
 
 	isaggr = bf_isaggr(bf);
@@ -785,10 +797,13 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc,
 		fi = get_frame_info(skb);
 		bf = fi->bf;
 		if (!fi->bf)
-			bf = ath_tx_setup_buffer(sc, txq, tid, skb, true);
+			bf = ath_tx_setup_buffer(sc, txq, tid, skb);
 
-		if (!bf)
+		if (!bf) {
+			__skb_unlink(skb, &tid->buf_q);
+			ieee80211_free_txskb(sc->hw, skb);
 			continue;
+		}
 
 		bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
 		seqno = bf->bf_state.seqno;
@@ -1731,9 +1746,11 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
 		return;
 	}
 
-	bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
-	if (!bf)
+	bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+	if (!bf) {
+		ieee80211_free_txskb(sc->hw, skb);
 		return;
+	}
 
 	bf->bf_state.bf_type = BUF_AMPDU;
 	INIT_LIST_HEAD(&bf_head);
@@ -1757,16 +1774,12 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
 	struct ath_buf *bf;
 
 	bf = fi->bf;
-	if (!bf)
-		bf = ath_tx_setup_buffer(sc, txq, tid, skb, false);
-
-	if (!bf)
-		return;
 
 	INIT_LIST_HEAD(&bf_head);
 	list_add_tail(&bf->list, &bf_head);
 	bf->bf_state.bf_type = 0;
 
+	bf->bf_next = NULL;
 	bf->bf_lastbf = bf;
 	ath_tx_fill_desc(sc, bf, txq, fi->framelen);
 	ath_tx_txqaddbuf(sc, txq, &bf_head, false);
@@ -1839,8 +1852,7 @@ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
 static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
 					   struct ath_txq *txq,
 					   struct ath_atx_tid *tid,
-					   struct sk_buff *skb,
-					   bool dequeue)
+					   struct sk_buff *skb)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_frame_info *fi = get_frame_info(skb);
@@ -1852,7 +1864,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
 	bf = ath_tx_get_buffer(sc);
 	if (!bf) {
 		ath_dbg(common, XMIT, "TX buffers are full\n");
-		goto error;
+		return NULL;
 	}
 
 	ATH_TXBUF_RESET(bf);
@@ -1881,18 +1893,12 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
 		ath_err(ath9k_hw_common(sc->sc_ah),
 			"dma_mapping_error() on TX\n");
 		ath_tx_return_buffer(sc, bf);
-		goto error;
+		return NULL;
 	}
 
 	fi->bf = bf;
 
 	return bf;
-
-error:
-	if (dequeue)
-		__skb_unlink(skb, &tid->buf_q);
-	dev_kfree_skb_any(skb);
-	return NULL;
 }
 
 /* FIXME: tx power */
@@ -1921,9 +1927,14 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
 		 */
 		ath_tx_send_ampdu(sc, tid, skb, txctl);
 	} else {
-		bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
-		if (!bf)
+		bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+		if (!bf) {
+			if (txctl->paprd)
+				dev_kfree_skb_any(skb);
+			else
+				ieee80211_free_txskb(sc->hw, skb);
 			return;
+		}
 
 		bf->bf_state.bfs_paprd = txctl->paprd;
 
diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h
index 2aa4a59c72c..2df17f1e49e 100644
--- a/drivers/net/wireless/ath/carl9170/carl9170.h
+++ b/drivers/net/wireless/ath/carl9170/carl9170.h
@@ -303,6 +303,7 @@ struct ar9170 {
 	unsigned long queue_stop_timeout[__AR9170_NUM_TXQ];
 	unsigned long max_queue_stop_timeout[__AR9170_NUM_TXQ];
 	bool needs_full_reset;
+	bool force_usb_reset;
 	atomic_t pending_restarts;
 
 	/* interface mode settings */
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index 67997b39aba..25a1e2f4f73 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -465,27 +465,26 @@ static void carl9170_restart_work(struct work_struct *work)
 {
 	struct ar9170 *ar = container_of(work, struct ar9170,
 					 restart_work);
-	int err;
+	int err = -EIO;
 
 	ar->usedkeys = 0;
 	ar->filter_state = 0;
 	carl9170_cancel_worker(ar);
 
 	mutex_lock(&ar->mutex);
-	err = carl9170_usb_restart(ar);
-	if (net_ratelimit()) {
-		if (err) {
-			dev_err(&ar->udev->dev, "Failed to restart device "
-				" (%d).\n", err);
-		 } else {
-			dev_info(&ar->udev->dev, "device restarted "
-				 "successfully.\n");
+	if (!ar->force_usb_reset) {
+		err = carl9170_usb_restart(ar);
+		if (net_ratelimit()) {
+			if (err)
+				dev_err(&ar->udev->dev, "Failed to restart device (%d).\n", err);
+			else
+				dev_info(&ar->udev->dev, "device restarted successfully.\n");
 		}
 	}
-
 	carl9170_zap_queues(ar);
 	mutex_unlock(&ar->mutex);
-	if (!err) {
+
+	if (!err && !ar->force_usb_reset) {
 		ar->restart_counter++;
 		atomic_set(&ar->pending_restarts, 0);
 
@@ -526,10 +525,10 @@ void carl9170_restart(struct ar9170 *ar, const enum carl9170_restart_reasons r)
 	if (!ar->registered)
 		return;
 
-	if (IS_ACCEPTING_CMD(ar) && !ar->needs_full_reset)
-		ieee80211_queue_work(ar->hw, &ar->restart_work);
-	else
-		carl9170_usb_reset(ar);
+	if (!IS_ACCEPTING_CMD(ar) || ar->needs_full_reset)
+		ar->force_usb_reset = true;
+
+	ieee80211_queue_work(ar->hw, &ar->restart_work);
 
 	/*
 	 * At this point, the device instance might have vanished/disabled.
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 73730e94e0a..c5a99c8c816 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -5404,6 +5404,8 @@ static void b43_bcma_remove(struct bcma_device *core)
 	cancel_work_sync(&wldev->restart_work);
 
 	B43_WARN_ON(!wl);
+	if (!wldev->fw.ucode.data)
+		return;			/* NULL if firmware never loaded */
 	if (wl->current_dev == wldev && wl->hw_registred) {
 		b43_leds_stop(wldev);
 		ieee80211_unregister_hw(wl->hw);
@@ -5478,6 +5480,8 @@ static void b43_ssb_remove(struct ssb_device *sdev)
 	cancel_work_sync(&wldev->restart_work);
 
 	B43_WARN_ON(!wl);
+	if (!wldev->fw.ucode.data)
+		return;			/* NULL if firmware never loaded */
 	if (wl->current_dev == wldev && wl->hw_registred) {
 		b43_leds_stop(wldev);
 		ieee80211_unregister_hw(wl->hw);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
index a2b4b1e7101..7a6dfdc67b6 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -1339,7 +1339,7 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo,
 	}
 
 	ret = brcmf_bus_start(dev);
-	if (ret == -ENOLINK) {
+	if (ret) {
 		brcmf_dbg(ERROR, "dongle is not responding\n");
 		brcmf_detach(dev);
 		goto fail;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index c1abaa6db59..a6f1e816600 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -3569,7 +3569,7 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
 
 	if (!request || !request->n_ssids || !request->n_match_sets) {
 		WL_ERR("Invalid sched scan req!! n_ssids:%d\n",
-		       request->n_ssids);
+		       request ? request->n_ssids : 0);
 		return -EINVAL;
 	}
 
@@ -3972,7 +3972,7 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg,
 	u8  *iovar_ie_buf;
 	u8  *curr_ie_buf;
 	u8  *mgmt_ie_buf = NULL;
-	u32 mgmt_ie_buf_len = 0;
+	int mgmt_ie_buf_len;
 	u32 *mgmt_ie_len = 0;
 	u32 del_add_ie_buf_len = 0;
 	u32 total_ie_buf_len = 0;
@@ -3982,7 +3982,7 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg,
 	struct parsed_vndr_ie_info *vndrie_info;
 	s32 i;
 	u8 *ptr;
-	u32 remained_buf_len;
+	int remained_buf_len;
 
 	WL_TRACE("bssidx %d, pktflag : 0x%02X\n", bssidx, pktflag);
 	iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
@@ -4606,12 +4606,13 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
 	struct brcmf_cfg80211_profile *profile = cfg->profile;
 	struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
 	struct wiphy *wiphy = cfg_to_wiphy(cfg);
-	struct brcmf_channel_info_le channel_le;
-	struct ieee80211_channel *notify_channel;
+	struct ieee80211_channel *notify_channel = NULL;
 	struct ieee80211_supported_band *band;
+	struct brcmf_bss_info_le *bi;
 	u32 freq;
 	s32 err = 0;
 	u32 target_channel;
+	u8 *buf;
 
 	WL_TRACE("Enter\n");
 
@@ -4619,11 +4620,22 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
 	memcpy(profile->bssid, e->addr, ETH_ALEN);
 	brcmf_update_bss_info(cfg);
 
-	brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le,
-			sizeof(channel_le));
+	buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
+	if (buf == NULL) {
+		err = -ENOMEM;
+		goto done;
+	}
+
+	/* data sent to dongle has to be little endian */
+	*(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
+	err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX);
+
+	if (err)
+		goto done;
 
-	target_channel = le32_to_cpu(channel_le.target_channel);
-	WL_CONN("Roamed to channel %d\n", target_channel);
+	bi = (struct brcmf_bss_info_le *)(buf + 4);
+	target_channel = bi->ctl_ch ? bi->ctl_ch :
+				      CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
 
 	if (target_channel <= CH_MAX_2G_CHANNEL)
 		band = wiphy->bands[IEEE80211_BAND_2GHZ];
@@ -4633,6 +4645,8 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
 	freq = ieee80211_channel_to_frequency(target_channel, band->band);
 	notify_channel = ieee80211_get_channel(wiphy, freq);
 
+done:
+	kfree(buf);
 	cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
 			conn_info->req_ie, conn_info->req_ie_len,
 			conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
@@ -5186,41 +5200,6 @@ brcmf_cfg80211_event(struct net_device *ndev,
 		schedule_work(&cfg->event_work);
 }
 
-static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype)
-{
-	s32 infra = 0;
-	s32 err = 0;
-
-	switch (iftype) {
-	case NL80211_IFTYPE_MONITOR:
-	case NL80211_IFTYPE_WDS:
-		WL_ERR("type (%d) : currently we do not support this mode\n",
-		       iftype);
-		err = -EINVAL;
-		return err;
-	case NL80211_IFTYPE_ADHOC:
-		infra = 0;
-		break;
-	case NL80211_IFTYPE_STATION:
-		infra = 1;
-		break;
-	case NL80211_IFTYPE_AP:
-		infra = 1;
-		break;
-	default:
-		err = -EINVAL;
-		WL_ERR("invalid type (%d)\n", iftype);
-		return err;
-	}
-	err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra);
-	if (err) {
-		WL_ERR("WLC_SET_INFRA error (%d)\n", err);
-		return err;
-	}
-
-	return 0;
-}
-
 static s32 brcmf_dongle_eventmsg(struct net_device *ndev)
 {
 	/* Room for "event_msgs" + '\0' + bitvec */
@@ -5439,7 +5418,8 @@ static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
 				WL_BEACON_TIMEOUT);
 	if (err)
 		goto default_conf_out;
-	err = brcmf_dongle_mode(ndev, wdev->iftype);
+	err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
+					  NULL, NULL);
 	if (err && err != -EINPROGRESS)
 		goto default_conf_out;
 	err = brcmf_dongle_probecap(cfg);
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 935120fc8c9..768bf612533 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -10472,7 +10472,7 @@ static void ipw_handle_promiscuous_tx(struct ipw_priv *priv,
 		} else
 			len = src->len;
 
-		dst = alloc_skb(len + sizeof(*rt_hdr), GFP_ATOMIC);
+		dst = alloc_skb(len + sizeof(*rt_hdr) + sizeof(u16)*2, GFP_ATOMIC);
 		if (!dst)
 			continue;
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/devices.c b/drivers/net/wireless/iwlwifi/dvm/devices.c
index 349c205d5f6..da586206419 100644
--- a/drivers/net/wireless/iwlwifi/dvm/devices.c
+++ b/drivers/net/wireless/iwlwifi/dvm/devices.c
@@ -518,7 +518,7 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 	 * See iwlagn_mac_channel_switch.
 	 */
 	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
-	struct iwl6000_channel_switch_cmd cmd;
+	struct iwl6000_channel_switch_cmd *cmd;
 	u32 switch_time_in_usec, ucode_switch_time;
 	u16 ch;
 	u32 tsf_low;
@@ -527,18 +527,25 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 	struct ieee80211_vif *vif = ctx->vif;
 	struct iwl_host_cmd hcmd = {
 		.id = REPLY_CHANNEL_SWITCH,
-		.len = { sizeof(cmd), },
+		.len = { sizeof(*cmd), },
 		.flags = CMD_SYNC,
-		.data = { &cmd, },
+		.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
 	};
+	int err;
 
-	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	hcmd.data[0] = cmd;
+
+	cmd->band = priv->band == IEEE80211_BAND_2GHZ;
 	ch = ch_switch->channel->hw_value;
 	IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
 		      ctx->active.channel, ch);
-	cmd.channel = cpu_to_le16(ch);
-	cmd.rxon_flags = ctx->staging.flags;
-	cmd.rxon_filter_flags = ctx->staging.filter_flags;
+	cmd->channel = cpu_to_le16(ch);
+	cmd->rxon_flags = ctx->staging.flags;
+	cmd->rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
@@ -554,23 +561,25 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 			switch_count = 0;
 	}
 	if (switch_count <= 1)
-		cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+		cmd->switch_time = cpu_to_le32(priv->ucode_beacon_time);
 	else {
 		switch_time_in_usec =
 			vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
 		ucode_switch_time = iwl_usecs_to_beacons(priv,
 							 switch_time_in_usec,
 							 beacon_interval);
-		cmd.switch_time = iwl_add_beacon_time(priv,
-						      priv->ucode_beacon_time,
-						      ucode_switch_time,
-						      beacon_interval);
+		cmd->switch_time = iwl_add_beacon_time(priv,
+						       priv->ucode_beacon_time,
+						       ucode_switch_time,
+						       beacon_interval);
 	}
 	IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
-		      cmd.switch_time);
-	cmd.expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
+		      cmd->switch_time);
+	cmd->expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
 
-	return iwl_dvm_send_cmd(priv, &hcmd);
+	err = iwl_dvm_send_cmd(priv, &hcmd);
+	kfree(cmd);
+	return err;
 }
 
 struct iwl_lib_ops iwl6000_lib = {
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 2691620393e..780d3e16829 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1596,8 +1596,9 @@ done:
 		}
 	}
 
-	if (mwifiex_bss_start(priv, bss, &req_ssid))
-		return -EFAULT;
+	ret = mwifiex_bss_start(priv, bss, &req_ssid);
+	if (ret)
+		return ret;
 
 	if (mode == NL80211_IFTYPE_ADHOC) {
 		/* Inform the BSS information to kernel, otherwise
@@ -1652,9 +1653,19 @@ done:
 			"info: association to bssid %pM failed\n",
 			priv->cfg_bssid);
 		memset(priv->cfg_bssid, 0, ETH_ALEN);
+
+		if (ret > 0)
+			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
+						NULL, 0, NULL, 0, ret,
+						GFP_KERNEL);
+		else
+			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
+						NULL, 0, NULL, 0,
+						WLAN_STATUS_UNSPECIFIED_FAILURE,
+						GFP_KERNEL);
 	}
 
-	return ret;
+	return 0;
 }
 
 /*
@@ -1802,7 +1813,7 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 {
 	struct net_device *dev = request->wdev->netdev;
 	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
-	int i, offset;
+	int i, offset, ret;
 	struct ieee80211_channel *chan;
 	struct ieee_types_header *ie;
 
@@ -1814,8 +1825,6 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 		return -EBUSY;
 	}
 
-	priv->scan_request = request;
-
 	priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
 				      GFP_KERNEL);
 	if (!priv->user_scan_cfg) {
@@ -1823,6 +1832,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 		return -ENOMEM;
 	}
 
+	priv->scan_request = request;
+
 	priv->user_scan_cfg->num_ssids = request->n_ssids;
 	priv->user_scan_cfg->ssid_list = request->ssids;
 
@@ -1855,8 +1866,15 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 
 		priv->user_scan_cfg->chan_list[i].scan_time = 0;
 	}
-	if (mwifiex_scan_networks(priv, priv->user_scan_cfg))
-		return -EFAULT;
+
+	ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
+	if (ret) {
+		dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
+		priv->scan_request = NULL;
+		kfree(priv->user_scan_cfg);
+		priv->user_scan_cfg = NULL;
+		return ret;
+	}
 
 	if (request->ie && request->ie_len) {
 		for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 82e63cee1e9..7b0858af8f5 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -1180,16 +1180,18 @@ int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 	struct mwifiex_adapter *adapter = priv->adapter;
 	struct host_cmd_ds_802_11_ad_hoc_result *adhoc_result;
 	struct mwifiex_bssdescriptor *bss_desc;
+	u16 reason_code;
 
 	adhoc_result = &resp->params.adhoc_result;
 
 	bss_desc = priv->attempted_bss_desc;
 
 	/* Join result code 0 --> SUCCESS */
-	if (le16_to_cpu(resp->result)) {
+	reason_code = le16_to_cpu(resp->result);
+	if (reason_code) {
 		dev_err(priv->adapter->dev, "ADHOC_RESP: failed\n");
 		if (priv->media_connected)
-			mwifiex_reset_connect_state(priv);
+			mwifiex_reset_connect_state(priv, reason_code);
 
 		memset(&priv->curr_bss_params.bss_descriptor,
 		       0x00, sizeof(struct mwifiex_bssdescriptor));
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index bfb3fa69805..c2d0ab146af 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -847,7 +847,7 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 				 struct mwifiex_bssdescriptor *bss_desc);
 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 				 struct host_cmd_ds_command *resp);
-void mwifiex_reset_connect_state(struct mwifiex_private *priv);
+void mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason);
 u8 mwifiex_band_to_radio_type(u8 band);
 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
 int mwifiex_adhoc_start(struct mwifiex_private *priv,
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index e36a75988f8..9171aaedbcc 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1296,7 +1296,7 @@ mwifiex_radio_type_to_band(u8 radio_type)
 int mwifiex_scan_networks(struct mwifiex_private *priv,
 			  const struct mwifiex_user_scan_cfg *user_scan_in)
 {
-	int ret = 0;
+	int ret;
 	struct mwifiex_adapter *adapter = priv->adapter;
 	struct cmd_ctrl_node *cmd_node;
 	union mwifiex_scan_cmd_config_tlv *scan_cfg_out;
@@ -1309,25 +1309,26 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
 	unsigned long flags;
 
 	if (adapter->scan_processing) {
-		dev_dbg(adapter->dev, "cmd: Scan already in process...\n");
-		return ret;
+		dev_err(adapter->dev, "cmd: Scan already in process...\n");
+		return -EBUSY;
 	}
 
-	spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
-	adapter->scan_processing = true;
-	spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
-
 	if (priv->scan_block) {
-		dev_dbg(adapter->dev,
+		dev_err(adapter->dev,
 			"cmd: Scan is blocked during association...\n");
-		return ret;
+		return -EBUSY;
 	}
 
+	spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
+	adapter->scan_processing = true;
+	spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
+
 	scan_cfg_out = kzalloc(sizeof(union mwifiex_scan_cmd_config_tlv),
 								GFP_KERNEL);
 	if (!scan_cfg_out) {
 		dev_err(adapter->dev, "failed to alloc scan_cfg_out\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto done;
 	}
 
 	buf_size = sizeof(struct mwifiex_chan_scan_param_set) *
@@ -1336,7 +1337,8 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
 	if (!scan_chan_list) {
 		dev_err(adapter->dev, "failed to alloc scan_chan_list\n");
 		kfree(scan_cfg_out);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto done;
 	}
 
 	mwifiex_config_scan(priv, user_scan_in, &scan_cfg_out->config,
@@ -1364,14 +1366,16 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
 			spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
 					       flags);
 		}
-	} else {
-		spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
-		adapter->scan_processing = true;
-		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
 	}
 
 	kfree(scan_cfg_out);
 	kfree(scan_chan_list);
+done:
+	if (ret) {
+		spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
+		adapter->scan_processing = false;
+		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
+	}
 	return ret;
 }
 
@@ -1430,8 +1434,8 @@ int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
 			ret = mwifiex_is_network_compatible(priv, bss_desc,
 							    priv->bss_mode);
 			if (ret)
-				dev_err(priv->adapter->dev, "cannot find ssid "
-					"%s\n", bss_desc->ssid.ssid);
+				dev_err(priv->adapter->dev,
+					"Incompatible network settings\n");
 			break;
 		default:
 			ret = 0;
@@ -1839,21 +1843,18 @@ static int mwifiex_scan_specific_ssid(struct mwifiex_private *priv,
 				      struct cfg80211_ssid *req_ssid)
 {
 	struct mwifiex_adapter *adapter = priv->adapter;
-	int ret = 0;
+	int ret;
 	struct mwifiex_user_scan_cfg *scan_cfg;
 
-	if (!req_ssid)
-		return -1;
-
 	if (adapter->scan_processing) {
-		dev_dbg(adapter->dev, "cmd: Scan already in process...\n");
-		return ret;
+		dev_err(adapter->dev, "cmd: Scan already in process...\n");
+		return -EBUSY;
 	}
 
 	if (priv->scan_block) {
-		dev_dbg(adapter->dev,
+		dev_err(adapter->dev,
 			"cmd: Scan is blocked during association...\n");
-		return ret;
+		return -EBUSY;
 	}
 
 	scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), GFP_KERNEL);
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index e380171c4c5..09e6a267f56 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -545,7 +545,7 @@ static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 	if (!memcmp(resp->params.deauth.mac_addr,
 		    &priv->curr_bss_params.bss_descriptor.mac_address,
 		    sizeof(resp->params.deauth.mac_addr)))
-		mwifiex_reset_connect_state(priv);
+		mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 
 	return 0;
 }
@@ -558,7 +558,7 @@ static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 					  struct host_cmd_ds_command *resp)
 {
-	mwifiex_reset_connect_state(priv);
+	mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 	return 0;
 }
 
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index aafde30e714..8132119e1a2 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -41,7 +41,7 @@
  *      - Sends a disconnect event to upper layers/applications.
  */
 void
-mwifiex_reset_connect_state(struct mwifiex_private *priv)
+mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code)
 {
 	struct mwifiex_adapter *adapter = priv->adapter;
 
@@ -117,10 +117,10 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv)
 	priv->media_connected = false;
 	dev_dbg(adapter->dev,
 		"info: successfully disconnected from %pM: reason code %d\n",
-		priv->cfg_bssid, WLAN_REASON_DEAUTH_LEAVING);
+		priv->cfg_bssid, reason_code);
 	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
-		cfg80211_disconnected(priv->netdev, WLAN_REASON_DEAUTH_LEAVING,
-				      NULL, 0, GFP_KERNEL);
+		cfg80211_disconnected(priv->netdev, reason_code, NULL, 0,
+				      GFP_KERNEL);
 	}
 	memset(priv->cfg_bssid, 0, ETH_ALEN);
 
@@ -186,7 +186,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 	struct mwifiex_adapter *adapter = priv->adapter;
 	int ret = 0;
 	u32 eventcause = adapter->event_cause;
-	u16 ctrl;
+	u16 ctrl, reason_code;
 
 	switch (eventcause) {
 	case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
@@ -204,22 +204,31 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 	case EVENT_DEAUTHENTICATED:
 		dev_dbg(adapter->dev, "event: Deauthenticated\n");
 		adapter->dbg.num_event_deauth++;
-		if (priv->media_connected)
-			mwifiex_reset_connect_state(priv);
+		if (priv->media_connected) {
+			reason_code =
+				le16_to_cpu(*(__le16 *)adapter->event_body);
+			mwifiex_reset_connect_state(priv, reason_code);
+		}
 		break;
 
 	case EVENT_DISASSOCIATED:
 		dev_dbg(adapter->dev, "event: Disassociated\n");
 		adapter->dbg.num_event_disassoc++;
-		if (priv->media_connected)
-			mwifiex_reset_connect_state(priv);
+		if (priv->media_connected) {
+			reason_code =
+				le16_to_cpu(*(__le16 *)adapter->event_body);
+			mwifiex_reset_connect_state(priv, reason_code);
+		}
 		break;
 
 	case EVENT_LINK_LOST:
 		dev_dbg(adapter->dev, "event: Link lost\n");
 		adapter->dbg.num_event_link_lost++;
-		if (priv->media_connected)
-			mwifiex_reset_connect_state(priv);
+		if (priv->media_connected) {
+			reason_code =
+				le16_to_cpu(*(__le16 *)adapter->event_body);
+			mwifiex_reset_connect_state(priv, reason_code);
+		}
 		break;
 
 	case EVENT_PS_SLEEP:
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index a12e84f892b..6b2e1e431dd 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1988,6 +1988,7 @@ static struct usb_driver rt2500usb_driver = {
 	.disconnect	= rt2x00usb_disconnect,
 	.suspend	= rt2x00usb_suspend,
 	.resume		= rt2x00usb_resume,
+	.reset_resume	= rt2x00usb_resume,
 	.disable_hub_initiated_lpm = 1,
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 540c94f8505..59474ae0aec 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2252,9 +2252,9 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	 */
 	if (rt2x00_rt(rt2x00dev, RT3352)) {
 		rt2800_bbp_write(rt2x00dev, 27, 0x0);
-		rt2800_bbp_write(rt2x00dev, 62, 0x26 + rt2x00dev->lna_gain);
+		rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
 		rt2800_bbp_write(rt2x00dev, 27, 0x20);
-		rt2800_bbp_write(rt2x00dev, 62, 0x26 + rt2x00dev->lna_gain);
+		rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
 	} else {
 		rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
 		rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
@@ -2449,7 +2449,7 @@ static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Check if temperature compensation is supported.
 	 */
-	if (tssi_bounds[4] == 0xff)
+	if (tssi_bounds[4] == 0xff || step == 0xff)
 		return 0;
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index c9e9370eb78..3b8fb5a603f 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1282,6 +1282,7 @@ static struct usb_driver rt2800usb_driver = {
 	.disconnect	= rt2x00usb_disconnect,
 	.suspend	= rt2x00usb_suspend,
 	.resume		= rt2x00usb_resume,
+	.reset_resume	= rt2x00usb_resume,
 	.disable_hub_initiated_lpm = 1,
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index e5eb43b3eee..24eec66e9fd 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2535,6 +2535,7 @@ static struct usb_driver rt73usb_driver = {
 	.disconnect	= rt2x00usb_disconnect,
 	.suspend	= rt2x00usb_suspend,
 	.resume		= rt2x00usb_resume,
+	.reset_resume	= rt2x00usb_resume,
 	.disable_hub_initiated_lpm = 1,
 };
 
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 030beb45d8b..e3ea4b34688 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -673,7 +673,7 @@ static int rtl_usb_start(struct ieee80211_hw *hw)
 		set_hal_start(rtlhal);
 
 		/* Start bulk IN */
-		_rtl_usb_receive(hw);
+		err = _rtl_usb_receive(hw);
 	}
 
 	return err;
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 4ebfcf3d8a3..f2d6b78d901 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -335,21 +335,35 @@ unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb)
 
 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
 		unsigned long size = skb_frag_size(&skb_shinfo(skb)->frags[i]);
+		unsigned long offset = skb_shinfo(skb)->frags[i].page_offset;
 		unsigned long bytes;
+
+		offset &= ~PAGE_MASK;
+
 		while (size > 0) {
+			BUG_ON(offset >= PAGE_SIZE);
 			BUG_ON(copy_off > MAX_BUFFER_OFFSET);
 
-			if (start_new_rx_buffer(copy_off, size, 0)) {
+			bytes = PAGE_SIZE - offset;
+
+			if (bytes > size)
+				bytes = size;
+
+			if (start_new_rx_buffer(copy_off, bytes, 0)) {
 				count++;
 				copy_off = 0;
 			}
 
-			bytes = size;
 			if (copy_off + bytes > MAX_BUFFER_OFFSET)
 				bytes = MAX_BUFFER_OFFSET - copy_off;
 
 			copy_off += bytes;
+
+			offset += bytes;
 			size -= bytes;
+
+			if (offset == PAGE_SIZE)
+				offset = 0;
 		}
 	}
 	return count;
@@ -403,14 +417,24 @@ static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
 	unsigned long bytes;
 
 	/* Data must not cross a page boundary. */
-	BUG_ON(size + offset > PAGE_SIZE);
+	BUG_ON(size + offset > PAGE_SIZE<<compound_order(page));
 
 	meta = npo->meta + npo->meta_prod - 1;
 
+	/* Skip unused frames from start of page */
+	page += offset >> PAGE_SHIFT;
+	offset &= ~PAGE_MASK;
+
 	while (size > 0) {
+		BUG_ON(offset >= PAGE_SIZE);
 		BUG_ON(npo->copy_off > MAX_BUFFER_OFFSET);
 
-		if (start_new_rx_buffer(npo->copy_off, size, *head)) {
+		bytes = PAGE_SIZE - offset;
+
+		if (bytes > size)
+			bytes = size;
+
+		if (start_new_rx_buffer(npo->copy_off, bytes, *head)) {
 			/*
 			 * Netfront requires there to be some data in the head
 			 * buffer.
@@ -420,7 +444,6 @@ static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
 			meta = get_next_rx_buffer(vif, npo);
 		}
 
-		bytes = size;
 		if (npo->copy_off + bytes > MAX_BUFFER_OFFSET)
 			bytes = MAX_BUFFER_OFFSET - npo->copy_off;
 
@@ -453,6 +476,13 @@ static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
 		offset += bytes;
 		size -= bytes;
 
+		/* Next frame */
+		if (offset == PAGE_SIZE && size) {
+			BUG_ON(!PageCompound(page));
+			page++;
+			offset = 0;
+		}
+
 		/* Leave a gap for the GSO descriptor. */
 		if (*head && skb_shinfo(skb)->gso_size && !vif->gso_prefix)
 			vif->rx.req_cons++;
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 72e496f1e9b..0125524c08c 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -37,9 +37,9 @@ struct of_bus {
 	int		(*match)(struct device_node *parent);
 	void		(*count_cells)(struct device_node *child,
 				       int *addrc, int *sizec);
-	u64		(*map)(u32 *addr, const __be32 *range,
+	u64		(*map)(__be32 *addr, const __be32 *range,
 				int na, int ns, int pna);
-	int		(*translate)(u32 *addr, u64 offset, int na);
+	int		(*translate)(__be32 *addr, u64 offset, int na);
 	unsigned int	(*get_flags)(const __be32 *addr);
 };
 
@@ -56,7 +56,7 @@ static void of_bus_default_count_cells(struct device_node *dev,
 		*sizec = of_n_size_cells(dev);
 }
 
-static u64 of_bus_default_map(u32 *addr, const __be32 *range,
+static u64 of_bus_default_map(__be32 *addr, const __be32 *range,
 		int na, int ns, int pna)
 {
 	u64 cp, s, da;
@@ -82,7 +82,7 @@ static u64 of_bus_default_map(u32 *addr, const __be32 *range,
 	return da - cp;
 }
 
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
+static int of_bus_default_translate(__be32 *addr, u64 offset, int na)
 {
 	u64 a = of_read_number(addr, na);
 	memset(addr, 0, na * 4);
@@ -138,7 +138,7 @@ static unsigned int of_bus_pci_get_flags(const __be32 *addr)
 	return flags;
 }
 
-static u64 of_bus_pci_map(u32 *addr, const __be32 *range, int na, int ns,
+static u64 of_bus_pci_map(__be32 *addr, const __be32 *range, int na, int ns,
 		int pna)
 {
 	u64 cp, s, da;
@@ -165,7 +165,7 @@ static u64 of_bus_pci_map(u32 *addr, const __be32 *range, int na, int ns,
 	return da - cp;
 }
 
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
+static int of_bus_pci_translate(__be32 *addr, u64 offset, int na)
 {
 	return of_bus_default_translate(addr + 1, offset, na - 1);
 }
@@ -247,7 +247,7 @@ static void of_bus_isa_count_cells(struct device_node *child,
 		*sizec = 1;
 }
 
-static u64 of_bus_isa_map(u32 *addr, const __be32 *range, int na, int ns,
+static u64 of_bus_isa_map(__be32 *addr, const __be32 *range, int na, int ns,
 		int pna)
 {
 	u64 cp, s, da;
@@ -270,7 +270,7 @@ static u64 of_bus_isa_map(u32 *addr, const __be32 *range, int na, int ns,
 	return da - cp;
 }
 
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
+static int of_bus_isa_translate(__be32 *addr, u64 offset, int na)
 {
 	return of_bus_default_translate(addr + 1, offset, na - 1);
 }
@@ -338,7 +338,7 @@ static struct of_bus *of_match_bus(struct device_node *np)
 }
 
 static int of_translate_one(struct device_node *parent, struct of_bus *bus,
-			    struct of_bus *pbus, u32 *addr,
+			    struct of_bus *pbus, __be32 *addr,
 			    int na, int ns, int pna, const char *rprop)
 {
 	const __be32 *ranges;
@@ -409,12 +409,12 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
  * that can be mapped to a cpu physical address). This is not really specified
  * that way, but this is traditionally the way IBM at least do things
  */
-u64 __of_translate_address(struct device_node *dev, const __be32 *in_addr,
-			   const char *rprop)
+static u64 __of_translate_address(struct device_node *dev,
+				  const __be32 *in_addr, const char *rprop)
 {
 	struct device_node *parent = NULL;
 	struct of_bus *bus, *pbus;
-	u32 addr[OF_MAX_ADDR_CELLS];
+	__be32 addr[OF_MAX_ADDR_CELLS];
 	int na, ns, pna, pns;
 	u64 result = OF_BAD_ADDR;
 
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index a23ec777999..a3c1c5aae6a 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -192,11 +192,13 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec,
 			/* Compare specifiers */
 			match = 1;
 			for (i = 0; i < addrsize && match; ++i) {
-				u32 mask = imask ? imask[i] : 0xffffffffu;
+				__be32 mask = imask ? imask[i]
+						    : cpu_to_be32(0xffffffffu);
 				match = ((addr[i] ^ imap[i]) & mask) == 0;
 			}
 			for (; i < (addrsize + intsize) && match; ++i) {
-				u32 mask = imask ? imask[i] : 0xffffffffu;
+				__be32 mask = imask ? imask[i]
+						    : cpu_to_be32(0xffffffffu);
 				match =
 				   ((intspec[i-addrsize] ^ imap[i]) & mask) == 0;
 			}
@@ -465,7 +467,7 @@ void __init of_irq_init(const struct of_device_id *matches)
 			pr_debug("of_irq_init: init %s @ %p, parent %p\n",
 				 match->compatible,
 				 desc->dev, desc->interrupt_parent);
-			irq_init_cb = match->data;
+			irq_init_cb = (of_irq_init_cb_t)match->data;
 			ret = irq_init_cb(desc->dev, desc->interrupt_parent);
 			if (ret) {
 				kfree(desc);
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 9bdeaf30b17..b80891b4381 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -76,7 +76,7 @@ void of_device_make_bus_id(struct device *dev)
 {
 	static atomic_t bus_no_reg_magic;
 	struct device_node *node = dev->of_node;
-	const u32 *reg;
+	const __be32 *reg;
 	u64 addr;
 	const __be32 *addrp;
 	int magic;
diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c
index b066273b6b4..7dd879ce514 100644
--- a/drivers/pcmcia/pxa2xx_sharpsl.c
+++ b/drivers/pcmcia/pxa2xx_sharpsl.c
@@ -194,7 +194,7 @@ static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
 	sharpsl_pcmcia_init_reset(skt);
 }
 
-static struct pcmcia_low_level sharpsl_pcmcia_ops __initdata = {
+static struct pcmcia_low_level sharpsl_pcmcia_ops = {
 	.owner                  = THIS_MODULE,
 	.hw_init                = sharpsl_pcmcia_hw_init,
 	.socket_state           = sharpsl_pcmcia_socket_state,
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 0f1ec9e8ff1..2e39c04fc16 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1061,8 +1061,10 @@ static int pinctrl_groups_show(struct seq_file *s, void *what)
 			seq_printf(s, "group: %s\n", gname);
 			for (i = 0; i < num_pins; i++) {
 				pname = pin_get_name(pctldev, pins[i]);
-				if (WARN_ON(!pname))
+				if (WARN_ON(!pname)) {
+					mutex_unlock(&pinctrl_mutex);
 					return -EINVAL;
+				}
 				seq_printf(s, "pin %d (%s)\n", pins[i], pname);
 			}
 			seq_puts(s, "\n");
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index 43f474cdc11..baee2cc46a1 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -537,8 +537,6 @@ static int pinconf_groups_show(struct seq_file *s, void *what)
 	seq_puts(s, "Pin config settings per pin group\n");
 	seq_puts(s, "Format: group (name): configs\n");
 
-	mutex_lock(&pinctrl_mutex);
-
 	while (selector < ngroups) {
 		const char *gname = pctlops->get_group_name(pctldev, selector);
 
@@ -549,8 +547,6 @@ static int pinconf_groups_show(struct seq_file *s, void *what)
 		selector++;
 	}
 
-	mutex_unlock(&pinctrl_mutex);
-
 	return 0;
 }
 
diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c
index a4adee633fa..7e9be18ec2d 100644
--- a/drivers/pinctrl/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/pinctrl-bcm2835.c
@@ -29,7 +29,6 @@
 #include <linux/irq.h>
 #include <linux/irqdesc.h>
 #include <linux/irqdomain.h>
-#include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/of_address.h>
 #include <linux/of.h>
@@ -960,7 +959,7 @@ static int __devinit bcm2835_pinctrl_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	pc->base = devm_request_and_ioremap(&pdev->dev, &iomem);
+	pc->base = devm_request_and_ioremap(dev, &iomem);
 	if (!pc->base)
 		return -EADDRNOTAVAIL;
 
@@ -1032,7 +1031,7 @@ static int __devinit bcm2835_pinctrl_probe(struct platform_device *pdev)
 	pc->pctl_dev = pinctrl_register(&bcm2835_pinctrl_desc, dev, pc);
 	if (!pc->pctl_dev) {
 		gpiochip_remove(&pc->gpio_chip);
-		return PTR_ERR(pc->pctl_dev);
+		return -EINVAL;
 	}
 
 	pc->gpio_range = bcm2835_pinctrl_gpio_range;
diff --git a/drivers/pinctrl/pinctrl-nomadik-db8500.c b/drivers/pinctrl/pinctrl-nomadik-db8500.c
index ec6209dd7c3..debaa75b055 100644
--- a/drivers/pinctrl/pinctrl-nomadik-db8500.c
+++ b/drivers/pinctrl/pinctrl-nomadik-db8500.c
@@ -725,10 +725,10 @@ static const struct nmk_pingroup nmk_db8500_groups[] = {
 	DB8500_PIN_GROUP(spi0_c_1, NMK_GPIO_ALT_C),
 	DB8500_PIN_GROUP(usbsim_c_2, NMK_GPIO_ALT_C),
 	DB8500_PIN_GROUP(i2c3_c_2, NMK_GPIO_ALT_C),
-	/* Other alt C1 column, these are still configured as alt C */
-	DB8500_PIN_GROUP(kp_oc1_1, NMK_GPIO_ALT_C),
-	DB8500_PIN_GROUP(spi2_oc1_1, NMK_GPIO_ALT_C),
-	DB8500_PIN_GROUP(spi2_oc1_2, NMK_GPIO_ALT_C),
+	/* Other alt C1 column */
+	DB8500_PIN_GROUP(kp_oc1_1, NMK_GPIO_ALT_C1),
+	DB8500_PIN_GROUP(spi2_oc1_1, NMK_GPIO_ALT_C1),
+	DB8500_PIN_GROUP(spi2_oc1_2, NMK_GPIO_ALT_C1),
 };
 
 /* We use this macro to define the groups applicable to a function */
@@ -860,6 +860,284 @@ static const struct nmk_function nmk_db8500_functions[] = {
 	FUNCTION(spi2),
 };
 
+static const struct prcm_gpiocr_altcx_pin_desc db8500_altcx_pins[] = {
+	PRCM_GPIOCR_ALTCX(23,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_CLK_a */
+				true, PRCM_IDX_GPIOCR1, 7,	/* SBAG_CLK_a */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(24,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE or U2_RXD ??? */
+				true, PRCM_IDX_GPIOCR1, 7,	/* SBAG_VAL_a */
+				true, PRCM_IDX_GPIOCR1, 10,	/* STM_MOD_CMD0 */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(25,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[0] */
+				true, PRCM_IDX_GPIOCR1, 7,	/* SBAG_D_a[0] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(26,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[1] */
+				true, PRCM_IDX_GPIOCR1, 7,	/* SBAG_D_a[1] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(27,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[2] */
+				true, PRCM_IDX_GPIOCR1, 7,	/* SBAG_D_a[2] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(28,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[3] */
+				true, PRCM_IDX_GPIOCR1, 7,	/* SBAG_D_a[3] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(29,	false, 0, 0,
+				false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 10,	/* STM_MOD_CMD0 */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(30,	false, 0, 0,
+				false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 10,	/* STM_MOD_CMD0 */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(31,	false, 0, 0,
+				false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 10,	/* STM_MOD_CMD0 */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(32,	false, 0, 0,
+				false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 10,	/* STM_MOD_CMD0 */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(68,	true, PRCM_IDX_GPIOCR1, 18,	/* REMAP_SELECT_ON */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(69,	true, PRCM_IDX_GPIOCR1, 18,	/* REMAP_SELECT_ON */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(70,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D23 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				true, PRCM_IDX_GPIOCR1, 11,	/* STM_MOD_CMD1 */
+				true, PRCM_IDX_GPIOCR1, 8	/* SBAG_CLK */
+	),
+	PRCM_GPIOCR_ALTCX(71,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D22 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				true, PRCM_IDX_GPIOCR1, 11,	/* STM_MOD_CMD1 */
+				true, PRCM_IDX_GPIOCR1, 8	/* SBAG_D3 */
+	),
+	PRCM_GPIOCR_ALTCX(72,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D21 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				true, PRCM_IDX_GPIOCR1, 11,	/* STM_MOD_CMD1 */
+				true, PRCM_IDX_GPIOCR1, 8	/* SBAG_D2 */
+	),
+	PRCM_GPIOCR_ALTCX(73,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D20 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				true, PRCM_IDX_GPIOCR1, 11,	/* STM_MOD_CMD1 */
+				true, PRCM_IDX_GPIOCR1, 8	/* SBAG_D1 */
+	),
+	PRCM_GPIOCR_ALTCX(74,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D19 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				true, PRCM_IDX_GPIOCR1, 11,	/* STM_MOD_CMD1 */
+				true, PRCM_IDX_GPIOCR1, 8	/* SBAG_D0 */
+	),
+	PRCM_GPIOCR_ALTCX(75,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D18 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				true, PRCM_IDX_GPIOCR1, 0,	/* DBG_UARTMOD_CMD0 */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(76,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D17 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				true, PRCM_IDX_GPIOCR1, 0,	/* DBG_UARTMOD_CMD0 */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(77,	true, PRCM_IDX_GPIOCR1, 5,	/* PTM_A9_D16 */
+				true, PRCM_IDX_GPIOCR2, 2,	/* DBG_ETM_R4_CMD0 */
+				false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 8	/* SBAG_VAL */
+	),
+	PRCM_GPIOCR_ALTCX(86,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_O3 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(87,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_O2 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(88,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_I3 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(89,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_I2 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(90,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_O1 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(91,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_O0 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(92,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_I1 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(93,	true, PRCM_IDX_GPIOCR1, 12,	/* KP_I0 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(96,	true, PRCM_IDX_GPIOCR2, 3,	/* RF_INT */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(97,	true, PRCM_IDX_GPIOCR2, 1,	/* RF_CTRL */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(151,	false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_CTL */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS17 */
+	),
+	PRCM_GPIOCR_ALTCX(152,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_CLK */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_CLK */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS16 */
+	),
+	PRCM_GPIOCR_ALTCX(153,	true, PRCM_IDX_GPIOCR1, 1,	/* UARTMOD_CMD1 */
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D15 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS15 */
+	),
+	PRCM_GPIOCR_ALTCX(154,	true, PRCM_IDX_GPIOCR1, 1,	/* UARTMOD_CMD1 */
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D14 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS14 */
+	),
+	PRCM_GPIOCR_ALTCX(155,	true, PRCM_IDX_GPIOCR1, 13,	/* STM_MOD_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D13 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS13 */
+	),
+	PRCM_GPIOCR_ALTCX(156,	true, PRCM_IDX_GPIOCR1, 13,	/* STM_MOD_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D12 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS12 */
+	),
+	PRCM_GPIOCR_ALTCX(157,	true, PRCM_IDX_GPIOCR1, 13,	/* STM_MOD_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D11 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS11 */
+	),
+	PRCM_GPIOCR_ALTCX(158,	true, PRCM_IDX_GPIOCR1, 13,	/* STM_MOD_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D10 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS10 */
+	),
+	PRCM_GPIOCR_ALTCX(159,	true, PRCM_IDX_GPIOCR1, 13,	/* STM_MOD_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D9 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS9 */
+	),
+	PRCM_GPIOCR_ALTCX(160,	false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 14,	/* PTM_A9_D8 */
+				true, PRCM_IDX_GPIOCR1, 19,	/* DBG_ETM_R4_CMD2 */
+				true, PRCM_IDX_GPIOCR1, 25	/* HW_OBS8 */
+	),
+	PRCM_GPIOCR_ALTCX(161,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO7 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D7 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS7 */
+	),
+	PRCM_GPIOCR_ALTCX(162,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO6 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D6 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS6 */
+	),
+	PRCM_GPIOCR_ALTCX(163,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO5 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D5 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS5 */
+	),
+	PRCM_GPIOCR_ALTCX(164,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO4 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D4 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS4 */
+	),
+	PRCM_GPIOCR_ALTCX(165,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO3 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D3 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS3 */
+	),
+	PRCM_GPIOCR_ALTCX(166,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO2 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D2 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS2 */
+	),
+	PRCM_GPIOCR_ALTCX(167,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO1 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D1 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS1 */
+	),
+	PRCM_GPIOCR_ALTCX(168,	true, PRCM_IDX_GPIOCR1, 4,	/* Hx_GPIO0 */
+				true, PRCM_IDX_GPIOCR1, 6,	/* PTM_A9_D0 */
+				true, PRCM_IDX_GPIOCR1, 15,	/* DBG_ETM_R4_CMD1*/
+				true, PRCM_IDX_GPIOCR1, 24	/* HW_OBS0 */
+	),
+	PRCM_GPIOCR_ALTCX(170,	true, PRCM_IDX_GPIOCR2, 2,	/* RF_INT */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(171,	true, PRCM_IDX_GPIOCR2, 0,	/* RF_CTRL */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(215,	true, PRCM_IDX_GPIOCR1, 23,	/* SPI2_TXD */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(216,	true, PRCM_IDX_GPIOCR1, 23,	/* SPI2_FRM */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(217,	true, PRCM_IDX_GPIOCR1, 23,	/* SPI2_CLK */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(218,	true, PRCM_IDX_GPIOCR1, 23,	/* SPI2_RXD */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+};
+
+static const u16 db8500_prcm_gpiocr_regs[] = {
+	[PRCM_IDX_GPIOCR1] = 0x138,
+	[PRCM_IDX_GPIOCR2] = 0x574,
+};
+
 static const struct nmk_pinctrl_soc_data nmk_db8500_soc = {
 	.gpio_ranges = nmk_db8500_ranges,
 	.gpio_num_ranges = ARRAY_SIZE(nmk_db8500_ranges),
@@ -869,6 +1147,9 @@ static const struct nmk_pinctrl_soc_data nmk_db8500_soc = {
 	.nfunctions = ARRAY_SIZE(nmk_db8500_functions),
 	.groups = nmk_db8500_groups,
 	.ngroups = ARRAY_SIZE(nmk_db8500_groups),
+	.altcx_pins = db8500_altcx_pins,
+	.npins_altcx = ARRAY_SIZE(db8500_altcx_pins),
+	.prcm_gpiocr_registers = db8500_prcm_gpiocr_regs,
 };
 
 void __devinit
diff --git a/drivers/pinctrl/pinctrl-nomadik-db8540.c b/drivers/pinctrl/pinctrl-nomadik-db8540.c
index 3daf665c84c..52fc30181f7 100644
--- a/drivers/pinctrl/pinctrl-nomadik-db8540.c
+++ b/drivers/pinctrl/pinctrl-nomadik-db8540.c
@@ -778,50 +778,50 @@ static const struct nmk_pingroup nmk_db8540_groups[] = {
 	DB8540_PIN_GROUP(spi0_c_1, NMK_GPIO_ALT_C),
 	DB8540_PIN_GROUP(i2c3_c_1, NMK_GPIO_ALT_C),
 
-	/* Other alt C1 column, these are still configured as alt C */
-	DB8540_PIN_GROUP(spi3_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(stmape_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(u2_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(remap0_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(remap1_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modobsrefclk_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modobspwrctrl_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modobsclkout_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(moduart1_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modprcmudbg_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modobsresout_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modaccgpo_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(kp_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modxmip_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(i2c6_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(u2txrx_oc1_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(u2ctsrts_oc1_1, NMK_GPIO_ALT_C),
+	/* Other alt C1 column */
+	DB8540_PIN_GROUP(spi3_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(stmape_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(u2_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(remap0_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(remap1_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(modobsrefclk_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(modobspwrctrl_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(modobsclkout_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(moduart1_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(modprcmudbg_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(modobsresout_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(modaccgpo_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(kp_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(modxmip_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(i2c6_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(u2txrx_oc1_1, NMK_GPIO_ALT_C1),
+	DB8540_PIN_GROUP(u2ctsrts_oc1_1, NMK_GPIO_ALT_C1),
 
-	/* Other alt C2 column, these are still configured as alt C */
-	DB8540_PIN_GROUP(sbag_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(hxclk_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modaccuart_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(stmmod_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(moduartstmmux_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(hxgpio_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(sbag_oc2_2, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modobsservice_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(moduart0_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(stmape_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(u2_oc2_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modxmip_oc2_1, NMK_GPIO_ALT_C),
+	/* Other alt C2 column */
+	DB8540_PIN_GROUP(sbag_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(hxclk_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(modaccuart_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(stmmod_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(moduartstmmux_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(hxgpio_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(sbag_oc2_2, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(modobsservice_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(moduart0_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(stmape_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(u2_oc2_1, NMK_GPIO_ALT_C2),
+	DB8540_PIN_GROUP(modxmip_oc2_1, NMK_GPIO_ALT_C2),
 
-	/* Other alt C3 column, these are still configured as alt C */
-	DB8540_PIN_GROUP(modaccgpo_oc3_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(tpui_oc3_1, NMK_GPIO_ALT_C),
+	/* Other alt C3 column */
+	DB8540_PIN_GROUP(modaccgpo_oc3_1, NMK_GPIO_ALT_C3),
+	DB8540_PIN_GROUP(tpui_oc3_1, NMK_GPIO_ALT_C3),
 
-	/* Other alt C4 column, these are still configured as alt C */
-	DB8540_PIN_GROUP(hwobs_oc4_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(moduart1txrx_oc4_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(moduart1rtscts_oc4_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modaccuarttxrx_oc4_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(modaccuartrtscts_oc4_1, NMK_GPIO_ALT_C),
-	DB8540_PIN_GROUP(stmmod_oc4_1, NMK_GPIO_ALT_C),
+	/* Other alt C4 column */
+	DB8540_PIN_GROUP(hwobs_oc4_1, NMK_GPIO_ALT_C4),
+	DB8540_PIN_GROUP(moduart1txrx_oc4_1, NMK_GPIO_ALT_C4),
+	DB8540_PIN_GROUP(moduart1rtscts_oc4_1, NMK_GPIO_ALT_C4),
+	DB8540_PIN_GROUP(modaccuarttxrx_oc4_1, NMK_GPIO_ALT_C4),
+	DB8540_PIN_GROUP(modaccuartrtscts_oc4_1, NMK_GPIO_ALT_C4),
+	DB8540_PIN_GROUP(stmmod_oc4_1, NMK_GPIO_ALT_C4),
 
 };
 
@@ -981,6 +981,265 @@ static const struct nmk_function nmk_db8540_functions[] = {
 	FUNCTION(usb)
 };
 
+static const struct prcm_gpiocr_altcx_pin_desc db8540_altcx_pins[] = {
+	PRCM_GPIOCR_ALTCX(8,	true, PRCM_IDX_GPIOCR1, 20,	/* SPI3_CLK */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(9,	true, PRCM_IDX_GPIOCR1, 20,	/* SPI3_RXD */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(10,	true, PRCM_IDX_GPIOCR1, 20,	/* SPI3_FRM */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(11,	true, PRCM_IDX_GPIOCR1, 20,	/* SPI3_TXD */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(23,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_CLK_a */
+				true, PRCM_IDX_GPIOCR2, 10,	/* SBAG_CLK_a */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(24,	true, PRCM_IDX_GPIOCR3, 30,	/* U2_RXD_g */
+				true, PRCM_IDX_GPIOCR2, 10,	/* SBAG_VAL_a */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(25,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[0] */
+				true, PRCM_IDX_GPIOCR2, 10,	/* SBAG_D_a[0] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(26,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[1] */
+				true, PRCM_IDX_GPIOCR2, 10,	/* SBAG_D_a[1] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(27,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[2] */
+				true, PRCM_IDX_GPIOCR2, 10,	/* SBAG_D_a[2] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(28,	true, PRCM_IDX_GPIOCR1, 9,	/* STMAPE_DAT_a[3] */
+				true, PRCM_IDX_GPIOCR2, 10,	/* SBAG_D_a[3] */
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(64,	true, PRCM_IDX_GPIOCR1, 15,	/* MODOBS_REFCLK_REQ */
+				false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_CTL */
+				true, PRCM_IDX_GPIOCR2, 23	/* HW_OBS_APE_PRCMU[17] */
+	),
+	PRCM_GPIOCR_ALTCX(65,	true, PRCM_IDX_GPIOCR1, 19,	/* MODOBS_PWRCTRL0 */
+				true, PRCM_IDX_GPIOCR1, 24,	/* Hx_CLK */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_CLK */
+				true, PRCM_IDX_GPIOCR2, 24	/* HW_OBS_APE_PRCMU[16] */
+	),
+	PRCM_GPIOCR_ALTCX(66,	true, PRCM_IDX_GPIOCR1, 15,	/* MODOBS_CLKOUT1 */
+				false, 0, 0,
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[15] */
+				true, PRCM_IDX_GPIOCR2, 25	/* HW_OBS_APE_PRCMU[15] */
+	),
+	PRCM_GPIOCR_ALTCX(67,	true, PRCM_IDX_GPIOCR1, 1,	/* MODUART1_TXD_a */
+				true, PRCM_IDX_GPIOCR1, 6,	/* MODACCUART_TXD_a */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[14] */
+				true, PRCM_IDX_GPIOCR2, 26	/* HW_OBS_APE_PRCMU[14] */
+	),
+	PRCM_GPIOCR_ALTCX(70,	true, PRCM_IDX_GPIOCR3, 6,	/* MOD_PRCMU_DEBUG[17] */
+				true, PRCM_IDX_GPIOCR1, 10,	/* STMMOD_CLK_b */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[13] */
+				true, PRCM_IDX_GPIOCR2, 27	/* HW_OBS_APE_PRCMU[13] */
+	),
+	PRCM_GPIOCR_ALTCX(71,	true, PRCM_IDX_GPIOCR3, 6,	/* MOD_PRCMU_DEBUG[16] */
+				true, PRCM_IDX_GPIOCR1, 10,	/* STMMOD_DAT_b[3] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[12] */
+				true, PRCM_IDX_GPIOCR2, 27	/* HW_OBS_APE_PRCMU[12] */
+	),
+	PRCM_GPIOCR_ALTCX(72,	true, PRCM_IDX_GPIOCR3, 6,	/* MOD_PRCMU_DEBUG[15] */
+				true, PRCM_IDX_GPIOCR1, 10,	/* STMMOD_DAT_b[2] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[11] */
+				true, PRCM_IDX_GPIOCR2, 27	/* HW_OBS_APE_PRCMU[11] */
+	),
+	PRCM_GPIOCR_ALTCX(73,	true, PRCM_IDX_GPIOCR3, 6,	/* MOD_PRCMU_DEBUG[14] */
+				true, PRCM_IDX_GPIOCR1, 10,	/* STMMOD_DAT_b[1] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[10] */
+				true, PRCM_IDX_GPIOCR2, 27	/* HW_OBS_APE_PRCMU[10] */
+	),
+	PRCM_GPIOCR_ALTCX(74,	true, PRCM_IDX_GPIOCR3, 6,	/* MOD_PRCMU_DEBUG[13] */
+				true, PRCM_IDX_GPIOCR1, 10,	/* STMMOD_DAT_b[0] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[9] */
+				true, PRCM_IDX_GPIOCR2, 27	/* HW_OBS_APE_PRCMU[9] */
+	),
+	PRCM_GPIOCR_ALTCX(75,	true, PRCM_IDX_GPIOCR1, 12,	/* MODOBS_RESOUT0_N */
+				true, PRCM_IDX_GPIOCR2, 1,	/* MODUART_STMMUX_RXD_b */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[8] */
+				true, PRCM_IDX_GPIOCR2, 28	/* HW_OBS_APE_PRCMU[8] */
+	),
+	PRCM_GPIOCR_ALTCX(76,	true, PRCM_IDX_GPIOCR3, 7,	/* MOD_PRCMU_DEBUG[12] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[7] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[7] */
+				true, PRCM_IDX_GPIOCR2, 29	/* HW_OBS_APE_PRCMU[7] */
+	),
+	PRCM_GPIOCR_ALTCX(77,	true, PRCM_IDX_GPIOCR3, 7,	/* MOD_PRCMU_DEBUG[11] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[6] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[6] */
+				true, PRCM_IDX_GPIOCR2, 29	/* HW_OBS_APE_PRCMU[6] */
+	),
+	PRCM_GPIOCR_ALTCX(78,	true, PRCM_IDX_GPIOCR3, 7,	/* MOD_PRCMU_DEBUG[10] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[5] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[5] */
+				true, PRCM_IDX_GPIOCR2, 29	/* HW_OBS_APE_PRCMU[5] */
+	),
+	PRCM_GPIOCR_ALTCX(79,	true, PRCM_IDX_GPIOCR3, 7,	/* MOD_PRCMU_DEBUG[9] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[4] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[4] */
+				true, PRCM_IDX_GPIOCR2, 29	/* HW_OBS_APE_PRCMU[4] */
+	),
+	PRCM_GPIOCR_ALTCX(80,	true, PRCM_IDX_GPIOCR1, 26,	/* MODACC_GPO[0] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[3] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[3] */
+				true, PRCM_IDX_GPIOCR2, 30	/* HW_OBS_APE_PRCMU[3] */
+	),
+	PRCM_GPIOCR_ALTCX(81,	true, PRCM_IDX_GPIOCR2, 17,	/* MODACC_GPO[1] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[2] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[2] */
+				true, PRCM_IDX_GPIOCR2, 30	/* HW_OBS_APE_PRCMU[2] */
+	),
+	PRCM_GPIOCR_ALTCX(82,	true, PRCM_IDX_GPIOCR3, 8,	/* MOD_PRCMU_DEBUG[8] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[1] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[1] */
+				true, PRCM_IDX_GPIOCR2, 31	/* HW_OBS_APE_PRCMU[1] */
+	),
+	PRCM_GPIOCR_ALTCX(83,	true, PRCM_IDX_GPIOCR3, 8,	/* MOD_PRCMU_DEBUG[7] */
+				true, PRCM_IDX_GPIOCR1, 25,	/* Hx_GPIO[0] */
+				true, PRCM_IDX_GPIOCR1, 2,	/* TPIU_D[0] */
+				true, PRCM_IDX_GPIOCR2, 31	/* HW_OBS_APE_PRCMU[0] */
+	),
+	PRCM_GPIOCR_ALTCX(84,	true, PRCM_IDX_GPIOCR3, 9,	/* MOD_PRCMU_DEBUG[6] */
+				true, PRCM_IDX_GPIOCR1, 8,	/* SBAG_CLK_b */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[23] */
+				true, PRCM_IDX_GPIOCR1, 16	/* MODUART1_RXD_b */
+	),
+	PRCM_GPIOCR_ALTCX(85,	true, PRCM_IDX_GPIOCR3, 9,	/* MOD_PRCMU_DEBUG[5] */
+				true, PRCM_IDX_GPIOCR1, 8,	/* SBAG_D_b[3] */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[22] */
+				true, PRCM_IDX_GPIOCR1, 16	/* MODUART1_TXD_b */
+	),
+	PRCM_GPIOCR_ALTCX(86,	true, PRCM_IDX_GPIOCR3, 9,	/* MOD_PRCMU_DEBUG[0] */
+				true, PRCM_IDX_GPIOCR2, 18,	/* STMAPE_DAT_b[0] */
+				true, PRCM_IDX_GPIOCR1, 14,	/* TPIU_D[25] */
+				true, PRCM_IDX_GPIOCR1, 11	/* STMMOD_DAT_c[0] */
+	),
+	PRCM_GPIOCR_ALTCX(87,	true, PRCM_IDX_GPIOCR3, 0,	/* MODACC_GPO_a[5] */
+				true, PRCM_IDX_GPIOCR2, 3,	/* U2_RXD_c */
+				true, PRCM_IDX_GPIOCR1, 4,	/* TPIU_D[24] */
+				true, PRCM_IDX_GPIOCR1, 21	/* MODUART_STMMUX_RXD_c */
+	),
+	PRCM_GPIOCR_ALTCX(151,	true, PRCM_IDX_GPIOCR1, 18,	/* REMAP0 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(152,	true, PRCM_IDX_GPIOCR1, 18,	/* REMAP1 */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(153,	true, PRCM_IDX_GPIOCR3, 2,	/* KP_O_b[6] */
+				true, PRCM_IDX_GPIOCR1, 8,	/* SBAG_D_b[2] */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[21] */
+				true, PRCM_IDX_GPIOCR1, 0	/* MODUART1_RTS */
+	),
+	PRCM_GPIOCR_ALTCX(154,	true, PRCM_IDX_GPIOCR3, 2,	/* KP_I_b[6] */
+				true, PRCM_IDX_GPIOCR1, 8,	/* SBAG_D_b[1] */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[20] */
+				true, PRCM_IDX_GPIOCR1, 0	/* MODUART1_CTS */
+	),
+	PRCM_GPIOCR_ALTCX(155,	true, PRCM_IDX_GPIOCR3, 3,	/* KP_O_b[5] */
+				true, PRCM_IDX_GPIOCR1, 8,	/* SBAG_D_b[0] */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[19] */
+				true, PRCM_IDX_GPIOCR1, 5	/* MODACCUART_RXD_c */
+	),
+	PRCM_GPIOCR_ALTCX(156,	true, PRCM_IDX_GPIOCR3, 3,	/* KP_O_b[4] */
+				true, PRCM_IDX_GPIOCR1, 8,	/* SBAG_VAL_b */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[18] */
+				true, PRCM_IDX_GPIOCR1, 5	/* MODACCUART_TXD_b */
+	),
+	PRCM_GPIOCR_ALTCX(157,	true, PRCM_IDX_GPIOCR3, 4,	/* KP_I_b[5] */
+				true, PRCM_IDX_GPIOCR1, 23,	/* MODOBS_SERVICE_N */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[17] */
+				true, PRCM_IDX_GPIOCR1, 14	/* MODACCUART_RTS */
+	),
+	PRCM_GPIOCR_ALTCX(158,	true, PRCM_IDX_GPIOCR3, 4,	/* KP_I_b[4] */
+				true, PRCM_IDX_GPIOCR2, 0,	/* U2_TXD_c */
+				true, PRCM_IDX_GPIOCR1, 3,	/* TPIU_D[16] */
+				true, PRCM_IDX_GPIOCR1, 14	/* MODACCUART_CTS */
+	),
+	PRCM_GPIOCR_ALTCX(159,	true, PRCM_IDX_GPIOCR3, 5,	/* KP_O_b[3] */
+				true, PRCM_IDX_GPIOCR3, 10,	/* MODUART0_RXD */
+				true, PRCM_IDX_GPIOCR1, 4,	/* TPIU_D[31] */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(160,	true, PRCM_IDX_GPIOCR3, 5,	/* KP_I_b[3] */
+				true, PRCM_IDX_GPIOCR3, 10,	/* MODUART0_TXD */
+				true, PRCM_IDX_GPIOCR1, 4,	/* TPIU_D[30] */
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(161,	true, PRCM_IDX_GPIOCR3, 9,	/* MOD_PRCMU_DEBUG[4] */
+				true, PRCM_IDX_GPIOCR2, 18,	/* STMAPE_CLK_b */
+				true, PRCM_IDX_GPIOCR1, 4,	/* TPIU_D[29] */
+				true, PRCM_IDX_GPIOCR1, 11	/* STMMOD_CLK_c */
+	),
+	PRCM_GPIOCR_ALTCX(162,	true, PRCM_IDX_GPIOCR3, 9,	/* MOD_PRCMU_DEBUG[3] */
+				true, PRCM_IDX_GPIOCR2, 18,	/* STMAPE_DAT_b[3] */
+				true, PRCM_IDX_GPIOCR1, 4,	/* TPIU_D[28] */
+				true, PRCM_IDX_GPIOCR1, 11	/* STMMOD_DAT_c[3] */
+	),
+	PRCM_GPIOCR_ALTCX(163,	true, PRCM_IDX_GPIOCR3, 9,	/* MOD_PRCMU_DEBUG[2] */
+				true, PRCM_IDX_GPIOCR2, 18,	/* STMAPE_DAT_b[2] */
+				true, PRCM_IDX_GPIOCR1, 4,	/* TPIU_D[27] */
+				true, PRCM_IDX_GPIOCR1, 11	/* STMMOD_DAT_c[2] */
+	),
+	PRCM_GPIOCR_ALTCX(164,	true, PRCM_IDX_GPIOCR3, 9,	/* MOD_PRCMU_DEBUG[1] */
+				true, PRCM_IDX_GPIOCR2, 18,	/* STMAPE_DAT_b[1] */
+				true, PRCM_IDX_GPIOCR1, 4,	/* TPIU_D[26] */
+				true, PRCM_IDX_GPIOCR1, 11	/* STMMOD_DAT_c[1] */
+	),
+	PRCM_GPIOCR_ALTCX(204,	true, PRCM_IDX_GPIOCR2, 2,	/* U2_RXD_f */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(205,	true, PRCM_IDX_GPIOCR2, 2,	/* U2_TXD_f */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(206,	true, PRCM_IDX_GPIOCR2, 2,	/* U2_CTSn_b */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+	PRCM_GPIOCR_ALTCX(207,	true, PRCM_IDX_GPIOCR2, 2,	/* U2_RTSn_b */
+				false, 0, 0,
+				false, 0, 0,
+				false, 0, 0
+	),
+};
+
+static const u16 db8540_prcm_gpiocr_regs[] = {
+	[PRCM_IDX_GPIOCR1] = 0x138,
+	[PRCM_IDX_GPIOCR2] = 0x574,
+	[PRCM_IDX_GPIOCR3] = 0x2bc,
+};
+
 static const struct nmk_pinctrl_soc_data nmk_db8540_soc = {
 	.gpio_ranges = nmk_db8540_ranges,
 	.gpio_num_ranges = ARRAY_SIZE(nmk_db8540_ranges),
@@ -990,6 +1249,9 @@ static const struct nmk_pinctrl_soc_data nmk_db8540_soc = {
 	.nfunctions = ARRAY_SIZE(nmk_db8540_functions),
 	.groups = nmk_db8540_groups,
 	.ngroups = ARRAY_SIZE(nmk_db8540_groups),
+	.altcx_pins = db8540_altcx_pins,
+	.npins_altcx = ARRAY_SIZE(db8540_altcx_pins),
+	.prcm_gpiocr_registers = db8540_prcm_gpiocr_regs,
 };
 
 void __devinit
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 6030a513f3c..cf82d9ce4de 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -30,6 +30,20 @@
 #include <linux/pinctrl/pinconf.h>
 /* Since we request GPIOs from ourself */
 #include <linux/pinctrl/consumer.h>
+/*
+ * For the U8500 archs, use the PRCMU register interface, for the older
+ * Nomadik, provide some stubs. The functions using these will only be
+ * called on the U8500 series.
+ */
+#ifdef CONFIG_ARCH_U8500
+#include <linux/mfd/dbx500-prcmu.h>
+#else
+static inline u32 prcmu_read(unsigned int reg) {
+	return 0;
+}
+static inline void prcmu_write(unsigned int reg, u32 value) {}
+static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
+#endif
 
 #include <asm/mach/irq.h>
 
@@ -237,6 +251,89 @@ nmk_gpio_disable_lazy_irq(struct nmk_gpio_chip *nmk_chip, unsigned offset)
 	dev_dbg(nmk_chip->chip.dev, "%d: clearing interrupt mask\n", gpio);
 }
 
+static void nmk_prcm_altcx_set_mode(struct nmk_pinctrl *npct,
+	unsigned offset, unsigned alt_num)
+{
+	int i;
+	u16 reg;
+	u8 bit;
+	u8 alt_index;
+	const struct prcm_gpiocr_altcx_pin_desc *pin_desc;
+	const u16 *gpiocr_regs;
+
+	if (alt_num > PRCM_IDX_GPIOCR_ALTC_MAX) {
+		dev_err(npct->dev, "PRCM GPIOCR: alternate-C%i is invalid\n",
+			alt_num);
+		return;
+	}
+
+	for (i = 0 ; i < npct->soc->npins_altcx ; i++) {
+		if (npct->soc->altcx_pins[i].pin == offset)
+			break;
+	}
+	if (i == npct->soc->npins_altcx) {
+		dev_dbg(npct->dev, "PRCM GPIOCR: pin %i is not found\n",
+			offset);
+		return;
+	}
+
+	pin_desc = npct->soc->altcx_pins + i;
+	gpiocr_regs = npct->soc->prcm_gpiocr_registers;
+
+	/*
+	 * If alt_num is NULL, just clear current ALTCx selection
+	 * to make sure we come back to a pure ALTC selection
+	 */
+	if (!alt_num) {
+		for (i = 0 ; i < PRCM_IDX_GPIOCR_ALTC_MAX ; i++) {
+			if (pin_desc->altcx[i].used == true) {
+				reg = gpiocr_regs[pin_desc->altcx[i].reg_index];
+				bit = pin_desc->altcx[i].control_bit;
+				if (prcmu_read(reg) & BIT(bit)) {
+					prcmu_write_masked(reg, BIT(bit), 0);
+					dev_dbg(npct->dev,
+						"PRCM GPIOCR: pin %i: alternate-C%i has been disabled\n",
+						offset, i+1);
+				}
+			}
+		}
+		return;
+	}
+
+	alt_index = alt_num - 1;
+	if (pin_desc->altcx[alt_index].used == false) {
+		dev_warn(npct->dev,
+			"PRCM GPIOCR: pin %i: alternate-C%i does not exist\n",
+			offset, alt_num);
+		return;
+	}
+
+	/*
+	 * Check if any other ALTCx functions are activated on this pin
+	 * and disable it first.
+	 */
+	for (i = 0 ; i < PRCM_IDX_GPIOCR_ALTC_MAX ; i++) {
+		if (i == alt_index)
+			continue;
+		if (pin_desc->altcx[i].used == true) {
+			reg = gpiocr_regs[pin_desc->altcx[i].reg_index];
+			bit = pin_desc->altcx[i].control_bit;
+			if (prcmu_read(reg) & BIT(bit)) {
+				prcmu_write_masked(reg, BIT(bit), 0);
+				dev_dbg(npct->dev,
+					"PRCM GPIOCR: pin %i: alternate-C%i has been disabled\n",
+					offset, i+1);
+			}
+		}
+	}
+
+	reg = gpiocr_regs[pin_desc->altcx[alt_index].reg_index];
+	bit = pin_desc->altcx[alt_index].control_bit;
+	dev_dbg(npct->dev, "PRCM GPIOCR: pin %i: alternate-C%i has been selected\n",
+		offset, alt_index+1);
+	prcmu_write_masked(reg, BIT(bit), BIT(bit));
+}
+
 static void __nmk_config_pin(struct nmk_gpio_chip *nmk_chip, unsigned offset,
 			     pin_cfg_t cfg, bool sleep, unsigned int *slpmregs)
 {
@@ -959,7 +1056,7 @@ static int nmk_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
 	struct nmk_gpio_chip *nmk_chip =
 		container_of(chip, struct nmk_gpio_chip, chip);
 
-	return irq_find_mapping(nmk_chip->domain, offset);
+	return irq_create_mapping(nmk_chip->domain, offset);
 }
 
 #ifdef CONFIG_DEBUG_FS
@@ -1184,6 +1281,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
 	struct clk *clk;
 	int secondary_irq;
 	void __iomem *base;
+	int irq_start = 0;
 	int irq;
 	int ret;
 
@@ -1287,9 +1385,11 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
 
 	platform_set_drvdata(dev, nmk_chip);
 
-	nmk_chip->domain = irq_domain_add_legacy(np, NMK_GPIO_PER_CHIP,
-						NOMADIK_GPIO_TO_IRQ(pdata->first_gpio),
-						0, &nmk_gpio_irq_simple_ops, nmk_chip);
+	if (!np)
+		irq_start = NOMADIK_GPIO_TO_IRQ(pdata->first_gpio);
+	nmk_chip->domain = irq_domain_add_simple(np,
+				NMK_GPIO_PER_CHIP, irq_start,
+				&nmk_gpio_irq_simple_ops, nmk_chip);
 	if (!nmk_chip->domain) {
 		dev_err(&dev->dev, "failed to create irqdomain\n");
 		ret = -ENOSYS;
@@ -1441,7 +1541,7 @@ static int nmk_pmx_enable(struct pinctrl_dev *pctldev, unsigned function,
 	 * IOFORCE will switch *all* ports to their sleepmode setting to as
 	 * to avoid glitches. (Not just one port!)
 	 */
-	glitch = (g->altsetting == NMK_GPIO_ALT_C);
+	glitch = ((g->altsetting & NMK_GPIO_ALT_C) == NMK_GPIO_ALT_C);
 
 	if (glitch) {
 		spin_lock_irqsave(&nmk_gpio_slpm_lock, flags);
@@ -1491,8 +1591,21 @@ static int nmk_pmx_enable(struct pinctrl_dev *pctldev, unsigned function,
 		 */
 		nmk_gpio_disable_lazy_irq(nmk_chip, bit);
 
-		__nmk_gpio_set_mode_safe(nmk_chip, bit, g->altsetting, glitch);
+		__nmk_gpio_set_mode_safe(nmk_chip, bit,
+			(g->altsetting & NMK_GPIO_ALT_C), glitch);
 		clk_disable(nmk_chip->clk);
+
+		/*
+		 * Call PRCM GPIOCR config function in case ALTC
+		 * has been selected:
+		 * - If selection is a ALTCx, some bits in PRCM GPIOCR registers
+		 *   must be set.
+		 * - If selection is pure ALTC and previous selection was ALTCx,
+		 *   then some bits in PRCM GPIOCR registers must be cleared.
+		 */
+		if ((g->altsetting & NMK_GPIO_ALT_C) == NMK_GPIO_ALT_C)
+			nmk_prcm_altcx_set_mode(npct, g->pins[i],
+				g->altsetting >> NMK_GPIO_ALT_CX_SHIFT);
 	}
 
 	/* When all pins are successfully reconfigured we get here */
diff --git a/drivers/pinctrl/pinctrl-nomadik.h b/drivers/pinctrl/pinctrl-nomadik.h
index 5c99f1c62df..eef316e979a 100644
--- a/drivers/pinctrl/pinctrl-nomadik.h
+++ b/drivers/pinctrl/pinctrl-nomadik.h
@@ -8,6 +8,78 @@
 #define PINCTRL_NMK_DB8500	1
 #define PINCTRL_NMK_DB8540	2
 
+#define PRCM_GPIOCR_ALTCX(pin_num,\
+	altc1_used, altc1_ri, altc1_cb,\
+	altc2_used, altc2_ri, altc2_cb,\
+	altc3_used, altc3_ri, altc3_cb,\
+	altc4_used, altc4_ri, altc4_cb)\
+{\
+	.pin = pin_num,\
+	.altcx[PRCM_IDX_GPIOCR_ALTC1] = {\
+		.used = altc1_used,\
+		.reg_index = altc1_ri,\
+		.control_bit = altc1_cb\
+	},\
+	.altcx[PRCM_IDX_GPIOCR_ALTC2] = {\
+		.used = altc2_used,\
+		.reg_index = altc2_ri,\
+		.control_bit = altc2_cb\
+	},\
+	.altcx[PRCM_IDX_GPIOCR_ALTC3] = {\
+		.used = altc3_used,\
+		.reg_index = altc3_ri,\
+		.control_bit = altc3_cb\
+	},\
+	.altcx[PRCM_IDX_GPIOCR_ALTC4] = {\
+		.used = altc4_used,\
+		.reg_index = altc4_ri,\
+		.control_bit = altc4_cb\
+	},\
+}
+
+/**
+ * enum prcm_gpiocr_reg_index
+ * Used to reference an PRCM GPIOCR register address.
+ */
+enum prcm_gpiocr_reg_index {
+	PRCM_IDX_GPIOCR1,
+	PRCM_IDX_GPIOCR2,
+	PRCM_IDX_GPIOCR3
+};
+/**
+ * enum prcm_gpiocr_altcx_index
+ * Used to reference an Other alternate-C function.
+ */
+enum prcm_gpiocr_altcx_index {
+	PRCM_IDX_GPIOCR_ALTC1,
+	PRCM_IDX_GPIOCR_ALTC2,
+	PRCM_IDX_GPIOCR_ALTC3,
+	PRCM_IDX_GPIOCR_ALTC4,
+	PRCM_IDX_GPIOCR_ALTC_MAX,
+};
+
+/**
+ * struct prcm_gpio_altcx - Other alternate-C function
+ * @used: other alternate-C function availability
+ * @reg_index: PRCM GPIOCR register index used to control the function
+ * @control_bit: PRCM GPIOCR bit used to control the function
+ */
+struct prcm_gpiocr_altcx {
+	bool used:1;
+	u8 reg_index:2;
+	u8 control_bit:5;
+} __packed;
+
+/**
+ * struct prcm_gpio_altcx_pin_desc - Other alternate-C pin
+ * @pin: The pin number
+ * @altcx: array of other alternate-C[1-4] functions
+ */
+struct prcm_gpiocr_altcx_pin_desc {
+	unsigned short pin;
+	struct prcm_gpiocr_altcx altcx[PRCM_IDX_GPIOCR_ALTC_MAX];
+};
+
 /**
  * struct nmk_function - Nomadik pinctrl mux function
  * @name: The name of the function, exported to pinctrl core.
@@ -50,6 +122,9 @@ struct nmk_pingroup {
  * @nfunction:	The number of entries in @functions.
  * @groups:	An array describing all pin groups the pin SoC supports.
  * @ngroups:	The number of entries in @groups.
+ * @altcx_pins:	The pins that support Other alternate-C function on this SoC
+ * @npins_altcx: The number of Other alternate-C pins
+ * @prcm_gpiocr_registers: The array of PRCM GPIOCR registers on this SoC
  */
 struct nmk_pinctrl_soc_data {
 	struct pinctrl_gpio_range *gpio_ranges;
@@ -60,6 +135,9 @@ struct nmk_pinctrl_soc_data {
 	unsigned nfunctions;
 	const struct nmk_pingroup *groups;
 	unsigned ngroups;
+	const struct prcm_gpiocr_altcx_pin_desc *altcx_pins;
+	unsigned npins_altcx;
+	const u16 *prcm_gpiocr_registers;
 };
 
 #ifdef CONFIG_PINCTRL_STN8815
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
index dd108a94acf..861cd5f04d5 100644
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@ -513,7 +513,7 @@ static int samsung_gpio_direction_output(struct gpio_chip *gc, unsigned offset,
  * Parse the pin names listed in the 'samsung,pins' property and convert it
  * into a list of gpio numbers are create a pin group from it.
  */
-static int __init samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
+static int __devinit samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
 			struct device_node *cfg_np, struct pinctrl_desc *pctl,
 			unsigned int **pin_list, unsigned int *npins)
 {
@@ -560,7 +560,7 @@ static int __init samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
  * from device node of the pin-controller. A pin group is formed with all
  * the pins listed in the "samsung,pins" property.
  */
-static int __init samsung_pinctrl_parse_dt(struct platform_device *pdev,
+static int __devinit samsung_pinctrl_parse_dt(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	struct device *dev = &pdev->dev;
@@ -655,7 +655,7 @@ static int __init samsung_pinctrl_parse_dt(struct platform_device *pdev,
 }
 
 /* register the pinctrl interface with the pinctrl subsystem */
-static int __init samsung_pinctrl_register(struct platform_device *pdev,
+static int __devinit samsung_pinctrl_register(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	struct pinctrl_desc *ctrldesc = &drvdata->pctl;
@@ -729,7 +729,7 @@ static int __init samsung_pinctrl_register(struct platform_device *pdev,
 }
 
 /* register the gpiolib interface with the gpiolib subsystem */
-static int __init samsung_gpiolib_register(struct platform_device *pdev,
+static int __devinit samsung_gpiolib_register(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	struct gpio_chip *gc;
@@ -762,7 +762,7 @@ static int __init samsung_gpiolib_register(struct platform_device *pdev,
 }
 
 /* unregister the gpiolib interface with the gpiolib subsystem */
-static int __init samsung_gpiolib_unregister(struct platform_device *pdev,
+static int __devinit samsung_gpiolib_unregister(struct platform_device *pdev,
 				struct samsung_pinctrl_drv_data *drvdata)
 {
 	int ret = gpiochip_remove(drvdata->gc);
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c
index 675497c1514..9ecacf3d0a7 100644
--- a/drivers/pinctrl/pinctrl-sirf.c
+++ b/drivers/pinctrl/pinctrl-sirf.c
@@ -1323,41 +1323,6 @@ static inline struct sirfsoc_gpio_bank *sirfsoc_gpio_to_bank(unsigned int gpio)
 	return &sgpio_bank[gpio / SIRFSOC_GPIO_BANK_SIZE];
 }
 
-void sirfsoc_gpio_set_pull(unsigned gpio, unsigned mode)
-{
-	struct sirfsoc_gpio_bank *bank = sirfsoc_gpio_to_bank(gpio);
-	int idx = sirfsoc_gpio_to_offset(gpio);
-	u32 val, offset;
-	unsigned long flags;
-
-	offset = SIRFSOC_GPIO_CTRL(bank->id, idx);
-
-	spin_lock_irqsave(&sgpio_lock, flags);
-
-	val = readl(bank->chip.regs + offset);
-
-	switch (mode) {
-	case SIRFSOC_GPIO_PULL_NONE:
-		val &= ~SIRFSOC_GPIO_CTL_PULL_MASK;
-		break;
-	case SIRFSOC_GPIO_PULL_UP:
-		val |= SIRFSOC_GPIO_CTL_PULL_MASK;
-		val |= SIRFSOC_GPIO_CTL_PULL_HIGH;
-		break;
-	case SIRFSOC_GPIO_PULL_DOWN:
-		val |= SIRFSOC_GPIO_CTL_PULL_MASK;
-		val &= ~SIRFSOC_GPIO_CTL_PULL_HIGH;
-		break;
-	default:
-		break;
-	}
-
-	writel(val, bank->chip.regs + offset);
-
-	spin_unlock_irqrestore(&sgpio_lock, flags);
-}
-EXPORT_SYMBOL(sirfsoc_gpio_set_pull);
-
 static inline struct sirfsoc_gpio_bank *sirfsoc_irqchip_to_bank(struct gpio_chip *chip)
 {
 	return container_of(to_of_mm_gpio_chip(chip), struct sirfsoc_gpio_bank, chip);
diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index 729b686c3ad..7da0b371fd6 100644
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -464,7 +464,7 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx,
 		*bank = g->drv_bank;
 		*reg = g->drv_reg;
 		*bit = g->lpmd_bit;
-		*width = 1;
+		*width = 2;
 		break;
 	case TEGRA_PINCONF_PARAM_DRIVE_DOWN_STRENGTH:
 		*bank = g->drv_bank;
diff --git a/drivers/pinctrl/pinctrl-tegra30.c b/drivers/pinctrl/pinctrl-tegra30.c
index 0386fdf0da1..7894f14c705 100644
--- a/drivers/pinctrl/pinctrl-tegra30.c
+++ b/drivers/pinctrl/pinctrl-tegra30.c
@@ -3345,10 +3345,10 @@ static const struct tegra_function tegra30_functions[] = {
 	FUNCTION(vi_alt3),
 };
 
-#define MUXCTL_REG_A	0x3000
-#define PINGROUP_REG_A	0x868
+#define DRV_PINGROUP_REG_A	0x868	/* bank 0 */
+#define PINGROUP_REG_A		0x3000	/* bank 1 */
 
-#define PINGROUP_REG_Y(r) ((r) - MUXCTL_REG_A)
+#define PINGROUP_REG_Y(r) ((r) - PINGROUP_REG_A)
 #define PINGROUP_REG_N(r) -1
 
 #define PINGROUP(pg_name, f0, f1, f2, f3, f_safe, r, od, ior)	\
@@ -3364,25 +3364,25 @@ static const struct tegra_function tegra30_functions[] = {
 		},						\
 		.func_safe = TEGRA_MUX_ ## f_safe,		\
 		.mux_reg = PINGROUP_REG_Y(r),			\
-		.mux_bank = 0,					\
+		.mux_bank = 1,					\
 		.mux_bit = 0,					\
 		.pupd_reg = PINGROUP_REG_Y(r),			\
-		.pupd_bank = 0,					\
+		.pupd_bank = 1,					\
 		.pupd_bit = 2,					\
 		.tri_reg = PINGROUP_REG_Y(r),			\
-		.tri_bank = 0,					\
+		.tri_bank = 1,					\
 		.tri_bit = 4,					\
 		.einput_reg = PINGROUP_REG_Y(r),		\
-		.einput_bank = 0,				\
+		.einput_bank = 1,				\
 		.einput_bit = 5,				\
 		.odrain_reg = PINGROUP_REG_##od(r),		\
-		.odrain_bank = 0,				\
+		.odrain_bank = 1,				\
 		.odrain_bit = 6,				\
 		.lock_reg = PINGROUP_REG_Y(r),			\
-		.lock_bank = 0,					\
+		.lock_bank = 1,					\
 		.lock_bit = 7,					\
 		.ioreset_reg = PINGROUP_REG_##ior(r),		\
-		.ioreset_bank = 0,				\
+		.ioreset_bank = 1,				\
 		.ioreset_bit = 8,				\
 		.drv_reg = -1,					\
 	}
@@ -3401,8 +3401,8 @@ static const struct tegra_function tegra30_functions[] = {
 		.odrain_reg = -1,				\
 		.lock_reg = -1,					\
 		.ioreset_reg = -1,				\
-		.drv_reg = ((r) - PINGROUP_REG_A),		\
-		.drv_bank = 1,					\
+		.drv_reg = ((r) - DRV_PINGROUP_REG_A),		\
+		.drv_bank = 0,					\
 		.hsm_bit = hsm_b,				\
 		.schmitt_bit = schmitt_b,			\
 		.lpmd_bit = lpmd_b,				\
diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
index f8d917d40c9..b9bcaec6622 100644
--- a/drivers/pinctrl/pinctrl-xway.c
+++ b/drivers/pinctrl/pinctrl-xway.c
@@ -17,8 +17,6 @@
 #include <linux/ioport.h>
 #include <linux/io.h>
 #include <linux/device.h>
-#include <linux/module.h>
-#include <linux/io.h>
 #include <linux/platform_device.h>
 
 #include "pinctrl-lantiq.h"
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 39abb150bdd..84c56881ba8 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -329,7 +329,8 @@ static int acerhdf_bind(struct thermal_zone_device *thermal,
 	if (cdev != cl_dev)
 		return 0;
 
-	if (thermal_zone_bind_cooling_device(thermal, 0, cdev)) {
+	if (thermal_zone_bind_cooling_device(thermal, 0, cdev,
+			THERMAL_NO_LIMIT, THERMAL_NO_LIMIT)) {
 		pr_err("error binding cooling dev\n");
 		return -EINVAL;
 	}
@@ -661,7 +662,7 @@ static int acerhdf_register_thermal(void)
 		return -EINVAL;
 
 	thz_dev = thermal_zone_device_register("acerhdf", 1, 0, NULL,
-					      &acerhdf_dev_ops, 0, 0, 0,
+					      &acerhdf_dev_ops, 0,
 					      (kernelmode) ? interval*1000 : 0);
 	if (IS_ERR(thz_dev))
 		return -EINVAL;
diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c
index 3a27113deda..c8097616dd6 100644
--- a/drivers/platform/x86/intel_mid_thermal.c
+++ b/drivers/platform/x86/intel_mid_thermal.c
@@ -502,7 +502,7 @@ static int mid_thermal_probe(struct platform_device *pdev)
 			goto err;
 		}
 		pinfo->tzd[i] = thermal_zone_device_register(name[i],
-				0, 0, td_info, &tzd_ops, 0, 0, 0, 0);
+				0, 0, td_info, &tzd_ops, 0, 0);
 		if (IS_ERR(pinfo->tzd[i])) {
 			kfree(td_info);
 			ret = PTR_ERR(pinfo->tzd[i]);
diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c
index d4957b4edb6..24768a27e1d 100644
--- a/drivers/power/avs/smartreflex.c
+++ b/drivers/power/avs/smartreflex.c
@@ -930,7 +930,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
 	if (!sr_info->base) {
 		dev_err(&pdev->dev, "%s: ioremap fail\n", __func__);
 		ret = -ENOMEM;
-		goto err_release_region;
+		goto err_free_name;
 	}
 
 	if (irq)
@@ -969,7 +969,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n",
 			__func__);
 		ret = PTR_ERR(sr_info->dbg_dir);
-		goto err_free_name;
+		goto err_debugfs;
 	}
 
 	(void) debugfs_create_file("autocomp", S_IRUGO | S_IWUSR,
@@ -1013,11 +1013,11 @@ static int __init omap_sr_probe(struct platform_device *pdev)
 
 err_debugfs:
 	debugfs_remove_recursive(sr_info->dbg_dir);
-err_free_name:
-	kfree(sr_info->name);
 err_iounmap:
 	list_del(&sr_info->node);
 	iounmap(sr_info->base);
+err_free_name:
+	kfree(sr_info->name);
 err_release_region:
 	release_mem_region(mem->start, resource_size(mem));
 err_free_devinfo:
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 08cc8a3c15a..2436f135001 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -201,7 +201,7 @@ static int psy_register_thermal(struct power_supply *psy)
 	for (i = 0; i < psy->num_properties; i++) {
 		if (psy->properties[i] == POWER_SUPPLY_PROP_TEMP) {
 			psy->tzd = thermal_zone_device_register(psy->name, 0, 0,
-					psy, &psy_tzd_ops, 0, 0, 0, 0);
+					psy, &psy_tzd_ops, 0, 0);
 			if (IS_ERR(psy->tzd))
 				return PTR_ERR(psy->tzd);
 			break;
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index d7c6b83097c..ed81720e7b2 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -1,6 +1,5 @@
 menuconfig PWM
 	bool "Pulse-Width Modulation (PWM) Support"
-	depends on !MACH_JZ4740 && !PUV3_PWM
 	help
 	  Generic Pulse-Width Modulation (PWM) support.
 
@@ -29,6 +28,15 @@ menuconfig PWM
 
 if PWM
 
+config PWM_AB8500
+	tristate "AB8500 PWM support"
+	depends on AB8500_CORE && ARCH_U8500
+	help
+	  Generic PWM framework driver for Analog Baseband AB8500.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called pwm-ab8500.
+
 config PWM_BFIN
 	tristate "Blackfin PWM support"
 	depends on BFIN_GPTIMERS
@@ -47,6 +55,16 @@ config PWM_IMX
 	  To compile this driver as a module, choose M here: the module
 	  will be called pwm-imx.
 
+config PWM_JZ4740
+	tristate "Ingenic JZ4740 PWM support"
+	depends on MACH_JZ4740
+	help
+	  Generic PWM framework driver for Ingenic JZ4740 based
+	  machines.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called pwm-jz4740.
+
 config PWM_LPC32XX
 	tristate "LPC32XX PWM support"
 	depends on ARCH_LPC32XX
@@ -67,6 +85,15 @@ config PWM_MXS
 	  To compile this driver as a module, choose M here: the module
 	  will be called pwm-mxs.
 
+config PWM_PUV3
+	tristate "PKUnity NetBook-0916 PWM support"
+	depends on ARCH_PUV3
+	help
+	  Generic PWM framework driver for PKUnity NetBook-0916.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called pwm-puv3.
+
 config PWM_PXA
 	tristate "PXA PWM support"
 	depends on ARCH_PXA
diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index 78f123dca30..acfe4821c58 100644
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -1,8 +1,11 @@
 obj-$(CONFIG_PWM)		+= core.o
+obj-$(CONFIG_PWM_AB8500)	+= pwm-ab8500.o
 obj-$(CONFIG_PWM_BFIN)		+= pwm-bfin.o
 obj-$(CONFIG_PWM_IMX)		+= pwm-imx.o
+obj-$(CONFIG_PWM_JZ4740)	+= pwm-jz4740.o
 obj-$(CONFIG_PWM_LPC32XX)	+= pwm-lpc32xx.o
 obj-$(CONFIG_PWM_MXS)		+= pwm-mxs.o
+obj-$(CONFIG_PWM_PUV3)		+= pwm-puv3.o
 obj-$(CONFIG_PWM_PXA)		+= pwm-pxa.o
 obj-$(CONFIG_PWM_SAMSUNG)	+= pwm-samsung.o
 obj-$(CONFIG_PWM_TEGRA)		+= pwm-tegra.o
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index c6e05078d3a..f5acdaa5270 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -371,7 +371,7 @@ EXPORT_SYMBOL_GPL(pwm_free);
  */
 int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 {
-	if (!pwm || period_ns == 0 || duty_ns > period_ns)
+	if (!pwm || duty_ns < 0 || period_ns <= 0 || duty_ns > period_ns)
 		return -EINVAL;
 
 	return pwm->chip->ops->config(pwm->chip, pwm, duty_ns, period_ns);
@@ -379,6 +379,28 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 EXPORT_SYMBOL_GPL(pwm_config);
 
 /**
+ * pwm_set_polarity() - configure the polarity of a PWM signal
+ * @pwm: PWM device
+ * @polarity: new polarity of the PWM signal
+ *
+ * Note that the polarity cannot be configured while the PWM device is enabled
+ */
+int pwm_set_polarity(struct pwm_device *pwm, enum pwm_polarity polarity)
+{
+	if (!pwm || !pwm->chip->ops)
+		return -EINVAL;
+
+	if (!pwm->chip->ops->set_polarity)
+		return -ENOSYS;
+
+	if (test_bit(PWMF_ENABLED, &pwm->flags))
+		return -EBUSY;
+
+	return pwm->chip->ops->set_polarity(pwm->chip, pwm, polarity);
+}
+EXPORT_SYMBOL_GPL(pwm_set_polarity);
+
+/**
  * pwm_enable() - start a PWM output toggling
  * @pwm: PWM device
  */
@@ -624,6 +646,64 @@ out:
 }
 EXPORT_SYMBOL_GPL(pwm_put);
 
+static void devm_pwm_release(struct device *dev, void *res)
+{
+	pwm_put(*(struct pwm_device **)res);
+}
+
+/**
+ * devm_pwm_get() - resource managed pwm_get()
+ * @dev: device for PWM consumer
+ * @con_id: consumer name
+ *
+ * This function performs like pwm_get() but the acquired PWM device will
+ * automatically be released on driver detach.
+ */
+struct pwm_device *devm_pwm_get(struct device *dev, const char *con_id)
+{
+	struct pwm_device **ptr, *pwm;
+
+	ptr = devres_alloc(devm_pwm_release, sizeof(**ptr), GFP_KERNEL);
+	if (!ptr)
+		return ERR_PTR(-ENOMEM);
+
+	pwm = pwm_get(dev, con_id);
+	if (!IS_ERR(pwm)) {
+		*ptr = pwm;
+		devres_add(dev, ptr);
+	} else {
+		devres_free(ptr);
+	}
+
+	return pwm;
+}
+EXPORT_SYMBOL_GPL(devm_pwm_get);
+
+static int devm_pwm_match(struct device *dev, void *res, void *data)
+{
+	struct pwm_device **p = res;
+
+	if (WARN_ON(!p || !*p))
+		return 0;
+
+	return *p == data;
+}
+
+/**
+ * devm_pwm_put() - resource managed pwm_put()
+ * @dev: device for PWM consumer
+ * @pwm: PWM device
+ *
+ * Release a PWM previously allocated using devm_pwm_get(). Calling this
+ * function is usually not needed because devm-allocated resources are
+ * automatically released on driver detach.
+ */
+void devm_pwm_put(struct device *dev, struct pwm_device *pwm)
+{
+	WARN_ON(devres_release(dev, devm_pwm_release, devm_pwm_match, pwm));
+}
+EXPORT_SYMBOL_GPL(devm_pwm_put);
+
 #ifdef CONFIG_DEBUG_FS
 static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s)
 {
diff --git a/drivers/misc/ab8500-pwm.c b/drivers/pwm/pwm-ab8500.c
index d7a9aa14e5d..cfb72ca873d 100644
--- a/drivers/misc/ab8500-pwm.c
+++ b/drivers/pwm/pwm-ab8500.c
@@ -24,16 +24,12 @@
 #define ENABLE_PWM			1
 #define DISABLE_PWM			0
 
-struct pwm_device {
-	struct device *dev;
-	struct list_head node;
-	const char *label;
-	unsigned int pwm_id;
+struct ab8500_pwm_chip {
+	struct pwm_chip chip;
 };
 
-static LIST_HEAD(pwm_list);
-
-int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
+static int ab8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
+			     int duty_ns, int period_ns)
 {
 	int ret = 0;
 	unsigned int higher_val, lower_val;
@@ -50,95 +46,94 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 	 */
 	higher_val = ((duty_ns & 0x0300) >> 8);
 
-	reg = AB8500_PWM_OUT_CTRL1_REG + ((pwm->pwm_id - 1) * 2);
+	reg = AB8500_PWM_OUT_CTRL1_REG + ((chip->base - 1) * 2);
 
-	ret = abx500_set_register_interruptible(pwm->dev, AB8500_MISC,
+	ret = abx500_set_register_interruptible(chip->dev, AB8500_MISC,
 			reg, (u8)lower_val);
 	if (ret < 0)
 		return ret;
-	ret = abx500_set_register_interruptible(pwm->dev, AB8500_MISC,
+	ret = abx500_set_register_interruptible(chip->dev, AB8500_MISC,
 			(reg + 1), (u8)higher_val);
 
 	return ret;
 }
-EXPORT_SYMBOL(pwm_config);
 
-int pwm_enable(struct pwm_device *pwm)
+static int ab8500_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	int ret;
 
-	ret = abx500_mask_and_set_register_interruptible(pwm->dev,
+	ret = abx500_mask_and_set_register_interruptible(chip->dev,
 				AB8500_MISC, AB8500_PWM_OUT_CTRL7_REG,
-				1 << (pwm->pwm_id-1), ENABLE_PWM);
+				1 << (chip->base - 1), ENABLE_PWM);
 	if (ret < 0)
-		dev_err(pwm->dev, "%s: Failed to disable PWM, Error %d\n",
+		dev_err(chip->dev, "%s: Failed to disable PWM, Error %d\n",
 							pwm->label, ret);
 	return ret;
 }
-EXPORT_SYMBOL(pwm_enable);
 
-void pwm_disable(struct pwm_device *pwm)
+static void ab8500_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	int ret;
 
-	ret = abx500_mask_and_set_register_interruptible(pwm->dev,
+	ret = abx500_mask_and_set_register_interruptible(chip->dev,
 				AB8500_MISC, AB8500_PWM_OUT_CTRL7_REG,
-				1 << (pwm->pwm_id-1), DISABLE_PWM);
+				1 << (chip->base - 1), DISABLE_PWM);
 	if (ret < 0)
-		dev_err(pwm->dev, "%s: Failed to disable PWM, Error %d\n",
+		dev_err(chip->dev, "%s: Failed to disable PWM, Error %d\n",
 							pwm->label, ret);
 	return;
 }
-EXPORT_SYMBOL(pwm_disable);
-
-struct pwm_device *pwm_request(int pwm_id, const char *label)
-{
-	struct pwm_device *pwm;
-
-	list_for_each_entry(pwm, &pwm_list, node) {
-		if (pwm->pwm_id == pwm_id) {
-			pwm->label = label;
-			pwm->pwm_id = pwm_id;
-			return pwm;
-		}
-	}
-
-	return ERR_PTR(-ENOENT);
-}
-EXPORT_SYMBOL(pwm_request);
 
-void pwm_free(struct pwm_device *pwm)
-{
-	pwm_disable(pwm);
-}
-EXPORT_SYMBOL(pwm_free);
+static const struct pwm_ops ab8500_pwm_ops = {
+	.config = ab8500_pwm_config,
+	.enable = ab8500_pwm_enable,
+	.disable = ab8500_pwm_disable,
+};
 
 static int __devinit ab8500_pwm_probe(struct platform_device *pdev)
 {
-	struct pwm_device *pwm;
+	struct ab8500_pwm_chip *ab8500;
+	int err;
+
 	/*
 	 * Nothing to be done in probe, this is required to get the
 	 * device which is required for ab8500 read and write
 	 */
-	pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
-	if (pwm == NULL) {
+	ab8500 = kzalloc(sizeof(*ab8500), GFP_KERNEL);
+	if (ab8500 == NULL) {
 		dev_err(&pdev->dev, "failed to allocate memory\n");
 		return -ENOMEM;
 	}
-	pwm->dev = &pdev->dev;
-	pwm->pwm_id = pdev->id;
-	list_add_tail(&pwm->node, &pwm_list);
-	platform_set_drvdata(pdev, pwm);
-	dev_dbg(pwm->dev, "pwm probe successful\n");
+
+	ab8500->chip.dev = &pdev->dev;
+	ab8500->chip.ops = &ab8500_pwm_ops;
+	ab8500->chip.base = pdev->id;
+	ab8500->chip.npwm = 1;
+
+	err = pwmchip_add(&ab8500->chip);
+	if (err < 0) {
+		kfree(ab8500);
+		return err;
+	}
+
+	dev_dbg(&pdev->dev, "pwm probe successful\n");
+	platform_set_drvdata(pdev, ab8500);
+
 	return 0;
 }
 
 static int __devexit ab8500_pwm_remove(struct platform_device *pdev)
 {
-	struct pwm_device *pwm = platform_get_drvdata(pdev);
-	list_del(&pwm->node);
+	struct ab8500_pwm_chip *ab8500 = platform_get_drvdata(pdev);
+	int err;
+
+	err = pwmchip_remove(&ab8500->chip);
+	if (err < 0)
+		return err;
+
 	dev_dbg(&pdev->dev, "pwm driver removed\n");
-	kfree(pwm);
+	kfree(ab8500);
+
 	return 0;
 }
 
@@ -150,19 +145,8 @@ static struct platform_driver ab8500_pwm_driver = {
 	.probe = ab8500_pwm_probe,
 	.remove = __devexit_p(ab8500_pwm_remove),
 };
+module_platform_driver(ab8500_pwm_driver);
 
-static int __init ab8500_pwm_init(void)
-{
-	return platform_driver_register(&ab8500_pwm_driver);
-}
-
-static void __exit ab8500_pwm_exit(void)
-{
-	platform_driver_unregister(&ab8500_pwm_driver);
-}
-
-subsys_initcall(ab8500_pwm_init);
-module_exit(ab8500_pwm_exit);
 MODULE_AUTHOR("Arun MURTHY <arun.murthy@stericsson.com>");
 MODULE_DESCRIPTION("AB8500 Pulse Width Modulation Driver");
 MODULE_ALIAS("platform:ab8500-pwm");
diff --git a/drivers/pwm/pwm-bfin.c b/drivers/pwm/pwm-bfin.c
index d53c4e7941e..5da8e185e83 100644
--- a/drivers/pwm/pwm-bfin.c
+++ b/drivers/pwm/pwm-bfin.c
@@ -69,9 +69,6 @@ static int bfin_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	unsigned long period, duty;
 	unsigned long long val;
 
-	if (duty_ns < 0 || duty_ns > period_ns)
-		return -EINVAL;
-
 	val = (unsigned long long)get_sclk() * period_ns;
 	do_div(val, NSEC_PER_SEC);
 	period = val;
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 2a0b3533397..8a5d3ae2946 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -16,8 +16,7 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/pwm.h>
-#include <mach/hardware.h>
-
+#include <linux/of_device.h>
 
 /* i.MX1 and i.MX21 share the same PWM function block: */
 
@@ -25,6 +24,7 @@
 #define MX1_PWMS    0x04   /* PWM Sample Register */
 #define MX1_PWMP    0x08   /* PWM Period Register */
 
+#define MX1_PWMC_EN		(1 << 4)
 
 /* i.MX27, i.MX31, i.MX35 share the same PWM function block: */
 
@@ -40,110 +40,165 @@
 #define MX3_PWMCR_EN              (1 << 0)
 
 struct imx_chip {
-	struct clk	*clk;
+	struct clk	*clk_per;
+	struct clk	*clk_ipg;
 
-	int		clk_enabled;
+	int		enabled;
 	void __iomem	*mmio_base;
 
 	struct pwm_chip	chip;
+
+	int (*config)(struct pwm_chip *chip,
+		struct pwm_device *pwm, int duty_ns, int period_ns);
+	void (*set_enable)(struct pwm_chip *chip, bool enable);
 };
 
 #define to_imx_chip(chip)	container_of(chip, struct imx_chip, chip)
 
-static int imx_pwm_config(struct pwm_chip *chip,
+static int imx_pwm_config_v1(struct pwm_chip *chip,
 		struct pwm_device *pwm, int duty_ns, int period_ns)
 {
 	struct imx_chip *imx = to_imx_chip(chip);
 
-	if (!(cpu_is_mx1() || cpu_is_mx21())) {
-		unsigned long long c;
-		unsigned long period_cycles, duty_cycles, prescale;
-		u32 cr;
-
-		c = clk_get_rate(imx->clk);
-		c = c * period_ns;
-		do_div(c, 1000000000);
-		period_cycles = c;
-
-		prescale = period_cycles / 0x10000 + 1;
-
-		period_cycles /= prescale;
-		c = (unsigned long long)period_cycles * duty_ns;
-		do_div(c, period_ns);
-		duty_cycles = c;
-
-		/*
-		 * according to imx pwm RM, the real period value should be
-		 * PERIOD value in PWMPR plus 2.
-		 */
-		if (period_cycles > 2)
-			period_cycles -= 2;
-		else
-			period_cycles = 0;
-
-		writel(duty_cycles, imx->mmio_base + MX3_PWMSAR);
-		writel(period_cycles, imx->mmio_base + MX3_PWMPR);
-
-		cr = MX3_PWMCR_PRESCALER(prescale) |
-			MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN |
-			MX3_PWMCR_DBGEN | MX3_PWMCR_EN;
-
-		if (cpu_is_mx25())
-			cr |= MX3_PWMCR_CLKSRC_IPG;
-		else
-			cr |= MX3_PWMCR_CLKSRC_IPG_HIGH;
-
-		writel(cr, imx->mmio_base + MX3_PWMCR);
-	} else if (cpu_is_mx1() || cpu_is_mx21()) {
-		/* The PWM subsystem allows for exact frequencies. However,
-		 * I cannot connect a scope on my device to the PWM line and
-		 * thus cannot provide the program the PWM controller
-		 * exactly. Instead, I'm relying on the fact that the
-		 * Bootloader (u-boot or WinCE+haret) has programmed the PWM
-		 * function group already. So I'll just modify the PWM sample
-		 * register to follow the ratio of duty_ns vs. period_ns
-		 * accordingly.
-		 *
-		 * This is good enough for programming the brightness of
-		 * the LCD backlight.
-		 *
-		 * The real implementation would divide PERCLK[0] first by
-		 * both the prescaler (/1 .. /128) and then by CLKSEL
-		 * (/2 .. /16).
-		 */
-		u32 max = readl(imx->mmio_base + MX1_PWMP);
-		u32 p = max * duty_ns / period_ns;
-		writel(max - p, imx->mmio_base + MX1_PWMS);
-	} else {
-		BUG();
-	}
+	/*
+	 * The PWM subsystem allows for exact frequencies. However,
+	 * I cannot connect a scope on my device to the PWM line and
+	 * thus cannot provide the program the PWM controller
+	 * exactly. Instead, I'm relying on the fact that the
+	 * Bootloader (u-boot or WinCE+haret) has programmed the PWM
+	 * function group already. So I'll just modify the PWM sample
+	 * register to follow the ratio of duty_ns vs. period_ns
+	 * accordingly.
+	 *
+	 * This is good enough for programming the brightness of
+	 * the LCD backlight.
+	 *
+	 * The real implementation would divide PERCLK[0] first by
+	 * both the prescaler (/1 .. /128) and then by CLKSEL
+	 * (/2 .. /16).
+	 */
+	u32 max = readl(imx->mmio_base + MX1_PWMP);
+	u32 p = max * duty_ns / period_ns;
+	writel(max - p, imx->mmio_base + MX1_PWMS);
 
 	return 0;
 }
 
+static void imx_pwm_set_enable_v1(struct pwm_chip *chip, bool enable)
+{
+	struct imx_chip *imx = to_imx_chip(chip);
+	u32 val;
+
+	val = readl(imx->mmio_base + MX1_PWMC);
+
+	if (enable)
+		val |= MX1_PWMC_EN;
+	else
+		val &= ~MX1_PWMC_EN;
+
+	writel(val, imx->mmio_base + MX1_PWMC);
+}
+
+static int imx_pwm_config_v2(struct pwm_chip *chip,
+		struct pwm_device *pwm, int duty_ns, int period_ns)
+{
+	struct imx_chip *imx = to_imx_chip(chip);
+	unsigned long long c;
+	unsigned long period_cycles, duty_cycles, prescale;
+	u32 cr;
+
+	c = clk_get_rate(imx->clk_per);
+	c = c * period_ns;
+	do_div(c, 1000000000);
+	period_cycles = c;
+
+	prescale = period_cycles / 0x10000 + 1;
+
+	period_cycles /= prescale;
+	c = (unsigned long long)period_cycles * duty_ns;
+	do_div(c, period_ns);
+	duty_cycles = c;
+
+	/*
+	 * according to imx pwm RM, the real period value should be
+	 * PERIOD value in PWMPR plus 2.
+	 */
+	if (period_cycles > 2)
+		period_cycles -= 2;
+	else
+		period_cycles = 0;
+
+	writel(duty_cycles, imx->mmio_base + MX3_PWMSAR);
+	writel(period_cycles, imx->mmio_base + MX3_PWMPR);
+
+	cr = MX3_PWMCR_PRESCALER(prescale) |
+		MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN |
+		MX3_PWMCR_DBGEN | MX3_PWMCR_CLKSRC_IPG_HIGH;
+
+	if (imx->enabled)
+		cr |= MX3_PWMCR_EN;
+
+	writel(cr, imx->mmio_base + MX3_PWMCR);
+
+	return 0;
+}
+
+static void imx_pwm_set_enable_v2(struct pwm_chip *chip, bool enable)
+{
+	struct imx_chip *imx = to_imx_chip(chip);
+	u32 val;
+
+	val = readl(imx->mmio_base + MX3_PWMCR);
+
+	if (enable)
+		val |= MX3_PWMCR_EN;
+	else
+		val &= ~MX3_PWMCR_EN;
+
+	writel(val, imx->mmio_base + MX3_PWMCR);
+}
+
+static int imx_pwm_config(struct pwm_chip *chip,
+		struct pwm_device *pwm, int duty_ns, int period_ns)
+{
+	struct imx_chip *imx = to_imx_chip(chip);
+	int ret;
+
+	ret = clk_prepare_enable(imx->clk_ipg);
+	if (ret)
+		return ret;
+
+	ret = imx->config(chip, pwm, duty_ns, period_ns);
+
+	clk_disable_unprepare(imx->clk_ipg);
+
+	return ret;
+}
+
 static int imx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct imx_chip *imx = to_imx_chip(chip);
-	int rc = 0;
+	int ret;
 
-	if (!imx->clk_enabled) {
-		rc = clk_prepare_enable(imx->clk);
-		if (!rc)
-			imx->clk_enabled = 1;
-	}
-	return rc;
+	ret = clk_prepare_enable(imx->clk_per);
+	if (ret)
+		return ret;
+
+	imx->set_enable(chip, true);
+
+	imx->enabled = 1;
+
+	return 0;
 }
 
 static void imx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct imx_chip *imx = to_imx_chip(chip);
 
-	writel(0, imx->mmio_base + MX3_PWMCR);
+	imx->set_enable(chip, false);
 
-	if (imx->clk_enabled) {
-		clk_disable_unprepare(imx->clk);
-		imx->clk_enabled = 0;
-	}
+	clk_disable_unprepare(imx->clk_per);
+	imx->enabled = 0;
 }
 
 static struct pwm_ops imx_pwm_ops = {
@@ -153,30 +208,66 @@ static struct pwm_ops imx_pwm_ops = {
 	.owner = THIS_MODULE,
 };
 
+struct imx_pwm_data {
+	int (*config)(struct pwm_chip *chip,
+		struct pwm_device *pwm, int duty_ns, int period_ns);
+	void (*set_enable)(struct pwm_chip *chip, bool enable);
+};
+
+static struct imx_pwm_data imx_pwm_data_v1 = {
+	.config = imx_pwm_config_v1,
+	.set_enable = imx_pwm_set_enable_v1,
+};
+
+static struct imx_pwm_data imx_pwm_data_v2 = {
+	.config = imx_pwm_config_v2,
+	.set_enable = imx_pwm_set_enable_v2,
+};
+
+static const struct of_device_id imx_pwm_dt_ids[] = {
+	{ .compatible = "fsl,imx1-pwm", .data = &imx_pwm_data_v1, },
+	{ .compatible = "fsl,imx27-pwm", .data = &imx_pwm_data_v2, },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_pwm_dt_ids);
+
 static int __devinit imx_pwm_probe(struct platform_device *pdev)
 {
+	const struct of_device_id *of_id =
+			of_match_device(imx_pwm_dt_ids, &pdev->dev);
+	struct imx_pwm_data *data;
 	struct imx_chip *imx;
 	struct resource *r;
 	int ret = 0;
 
+	if (!of_id)
+		return -ENODEV;
+
 	imx = devm_kzalloc(&pdev->dev, sizeof(*imx), GFP_KERNEL);
 	if (imx == NULL) {
 		dev_err(&pdev->dev, "failed to allocate memory\n");
 		return -ENOMEM;
 	}
 
-	imx->clk = devm_clk_get(&pdev->dev, "pwm");
+	imx->clk_per = devm_clk_get(&pdev->dev, "per");
+	if (IS_ERR(imx->clk_per)) {
+		dev_err(&pdev->dev, "getting per clock failed with %ld\n",
+				PTR_ERR(imx->clk_per));
+		return PTR_ERR(imx->clk_per);
+	}
 
-	if (IS_ERR(imx->clk))
-		return PTR_ERR(imx->clk);
+	imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
+	if (IS_ERR(imx->clk_ipg)) {
+		dev_err(&pdev->dev, "getting ipg clock failed with %ld\n",
+				PTR_ERR(imx->clk_ipg));
+		return PTR_ERR(imx->clk_ipg);
+	}
 
 	imx->chip.ops = &imx_pwm_ops;
 	imx->chip.dev = &pdev->dev;
 	imx->chip.base = -1;
 	imx->chip.npwm = 1;
 
-	imx->clk_enabled = 0;
-
 	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (r == NULL) {
 		dev_err(&pdev->dev, "no memory resource defined\n");
@@ -187,6 +278,10 @@ static int __devinit imx_pwm_probe(struct platform_device *pdev)
 	if (imx->mmio_base == NULL)
 		return -EADDRNOTAVAIL;
 
+	data = of_id->data;
+	imx->config = data->config;
+	imx->set_enable = data->set_enable;
+
 	ret = pwmchip_add(&imx->chip);
 	if (ret < 0)
 		return ret;
@@ -208,23 +303,14 @@ static int __devexit imx_pwm_remove(struct platform_device *pdev)
 
 static struct platform_driver imx_pwm_driver = {
 	.driver		= {
-		.name	= "mxc_pwm",
+		.name	= "imx-pwm",
+		.of_match_table = of_match_ptr(imx_pwm_dt_ids),
 	},
 	.probe		= imx_pwm_probe,
 	.remove		= __devexit_p(imx_pwm_remove),
 };
 
-static int __init imx_pwm_init(void)
-{
-	return platform_driver_register(&imx_pwm_driver);
-}
-arch_initcall(imx_pwm_init);
-
-static void __exit imx_pwm_exit(void)
-{
-	platform_driver_unregister(&imx_pwm_driver);
-}
-module_exit(imx_pwm_exit);
+module_platform_driver(imx_pwm_driver);
 
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c
new file mode 100644
index 00000000000..10250fcefb9
--- /dev/null
+++ b/drivers/pwm/pwm-jz4740.c
@@ -0,0 +1,221 @@
+/*
+ *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ *  JZ4740 platform PWM support
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under  the terms of the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the License, or (at your
+ *  option) any later version.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pwm.h>
+
+#include <asm/mach-jz4740/gpio.h>
+#include <asm/mach-jz4740/timer.h>
+
+#define NUM_PWM 8
+
+static const unsigned int jz4740_pwm_gpio_list[NUM_PWM] = {
+	JZ_GPIO_PWM0,
+	JZ_GPIO_PWM1,
+	JZ_GPIO_PWM2,
+	JZ_GPIO_PWM3,
+	JZ_GPIO_PWM4,
+	JZ_GPIO_PWM5,
+	JZ_GPIO_PWM6,
+	JZ_GPIO_PWM7,
+};
+
+struct jz4740_pwm_chip {
+	struct pwm_chip chip;
+	struct clk *clk;
+};
+
+static inline struct jz4740_pwm_chip *to_jz4740(struct pwm_chip *chip)
+{
+	return container_of(chip, struct jz4740_pwm_chip, chip);
+}
+
+static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	unsigned int gpio = jz4740_pwm_gpio_list[pwm->hwpwm];
+	int ret;
+
+	/*
+	 * Timers 0 and 1 are used for system tasks, so they are unavailable
+	 * for use as PWMs.
+	 */
+	if (pwm->hwpwm < 2)
+		return -EBUSY;
+
+	ret = gpio_request(gpio, pwm->label);
+	if (ret) {
+		dev_err(chip->dev, "Failed to request GPIO#%u for PWM: %d\n",
+			gpio, ret);
+		return ret;
+	}
+
+	jz_gpio_set_function(gpio, JZ_GPIO_FUNC_PWM);
+
+	jz4740_timer_start(pwm->hwpwm);
+
+	return 0;
+}
+
+static void jz4740_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	unsigned int gpio = jz4740_pwm_gpio_list[pwm->hwpwm];
+
+	jz4740_timer_set_ctrl(pwm->hwpwm, 0);
+
+	jz_gpio_set_function(gpio, JZ_GPIO_FUNC_NONE);
+	gpio_free(gpio);
+
+	jz4740_timer_stop(pwm->hwpwm);
+}
+
+static int jz4740_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	uint32_t ctrl = jz4740_timer_get_ctrl(pwm->pwm);
+
+	ctrl |= JZ_TIMER_CTRL_PWM_ENABLE;
+	jz4740_timer_set_ctrl(pwm->hwpwm, ctrl);
+	jz4740_timer_enable(pwm->hwpwm);
+
+	return 0;
+}
+
+static void jz4740_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	uint32_t ctrl = jz4740_timer_get_ctrl(pwm->hwpwm);
+
+	ctrl &= ~JZ_TIMER_CTRL_PWM_ENABLE;
+	jz4740_timer_disable(pwm->hwpwm);
+	jz4740_timer_set_ctrl(pwm->hwpwm, ctrl);
+}
+
+static int jz4740_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
+			     int duty_ns, int period_ns)
+{
+	struct jz4740_pwm_chip *jz4740 = to_jz4740(pwm->chip);
+	unsigned long long tmp;
+	unsigned long period, duty;
+	unsigned int prescaler = 0;
+	uint16_t ctrl;
+	bool is_enabled;
+
+	tmp = (unsigned long long)clk_get_rate(jz4740->clk) * period_ns;
+	do_div(tmp, 1000000000);
+	period = tmp;
+
+	while (period > 0xffff && prescaler < 6) {
+		period >>= 2;
+		++prescaler;
+	}
+
+	if (prescaler == 6)
+		return -EINVAL;
+
+	tmp = (unsigned long long)period * duty_ns;
+	do_div(tmp, period_ns);
+	duty = period - tmp;
+
+	if (duty >= period)
+		duty = period - 1;
+
+	is_enabled = jz4740_timer_is_enabled(pwm->hwpwm);
+	if (is_enabled)
+		jz4740_pwm_disable(chip, pwm);
+
+	jz4740_timer_set_count(pwm->hwpwm, 0);
+	jz4740_timer_set_duty(pwm->hwpwm, duty);
+	jz4740_timer_set_period(pwm->hwpwm, period);
+
+	ctrl = JZ_TIMER_CTRL_PRESCALER(prescaler) | JZ_TIMER_CTRL_SRC_EXT |
+		JZ_TIMER_CTRL_PWM_ABBRUPT_SHUTDOWN;
+
+	jz4740_timer_set_ctrl(pwm->hwpwm, ctrl);
+
+	if (is_enabled)
+		jz4740_pwm_enable(chip, pwm);
+
+	return 0;
+}
+
+static const struct pwm_ops jz4740_pwm_ops = {
+	.request = jz4740_pwm_request,
+	.free = jz4740_pwm_free,
+	.config = jz4740_pwm_config,
+	.enable = jz4740_pwm_enable,
+	.disable = jz4740_pwm_disable,
+	.owner = THIS_MODULE,
+};
+
+static int __devinit jz4740_pwm_probe(struct platform_device *pdev)
+{
+	struct jz4740_pwm_chip *jz4740;
+	int ret;
+
+	jz4740 = devm_kzalloc(&pdev->dev, sizeof(*jz4740), GFP_KERNEL);
+	if (!jz4740)
+		return -ENOMEM;
+
+	jz4740->clk = clk_get(NULL, "ext");
+	if (IS_ERR(jz4740->clk))
+		return PTR_ERR(jz4740->clk);
+
+	jz4740->chip.dev = &pdev->dev;
+	jz4740->chip.ops = &jz4740_pwm_ops;
+	jz4740->chip.npwm = NUM_PWM;
+	jz4740->chip.base = -1;
+
+	ret = pwmchip_add(&jz4740->chip);
+	if (ret < 0) {
+		clk_put(jz4740->clk);
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, jz4740);
+
+	return 0;
+}
+
+static int __devexit jz4740_pwm_remove(struct platform_device *pdev)
+{
+	struct jz4740_pwm_chip *jz4740 = platform_get_drvdata(pdev);
+	int ret;
+
+	ret = pwmchip_remove(&jz4740->chip);
+	if (ret < 0)
+		return ret;
+
+	clk_put(jz4740->clk);
+
+	return 0;
+}
+
+static struct platform_driver jz4740_pwm_driver = {
+	.driver = {
+		.name = "jz4740-pwm",
+		.owner = THIS_MODULE,
+	},
+	.probe = jz4740_pwm_probe,
+	.remove = __devexit_p(jz4740_pwm_remove),
+};
+module_platform_driver(jz4740_pwm_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("Ingenic JZ4740 PWM driver");
+MODULE_ALIAS("platform:jz4740-pwm");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pwm/pwm-puv3.c b/drivers/pwm/pwm-puv3.c
new file mode 100644
index 00000000000..2a93f37c46a
--- /dev/null
+++ b/drivers/pwm/pwm-puv3.c
@@ -0,0 +1,161 @@
+/*
+ * linux/arch/unicore32/kernel/pwm.c
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ *	Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
+ *	Copyright (C) 2001-2010 Guan Xuetao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/pwm.h>
+
+#include <asm/div64.h>
+#include <mach/hardware.h>
+
+struct puv3_pwm_chip {
+	struct pwm_chip chip;
+	void __iomem *base;
+	struct clk *clk;
+	bool enabled;
+};
+
+static inline struct puv3_pwm_chip *to_puv3(struct pwm_chip *chip)
+{
+	return container_of(chip, struct puv3_pwm_chip, chip);
+}
+
+/*
+ * period_ns = 10^9 * (PRESCALE + 1) * (PV + 1) / PWM_CLK_RATE
+ * duty_ns   = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE
+ */
+static int puv3_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
+			   int duty_ns, int period_ns)
+{
+	unsigned long period_cycles, prescale, pv, dc;
+	struct puv3_pwm_chip *puv3 = to_puv3(chip);
+	unsigned long long c;
+
+	c = clk_get_rate(puv3->clk);
+	c = c * period_ns;
+	do_div(c, 1000000000);
+	period_cycles = c;
+
+	if (period_cycles < 1)
+		period_cycles = 1;
+
+	prescale = (period_cycles - 1) / 1024;
+	pv = period_cycles / (prescale + 1) - 1;
+
+	if (prescale > 63)
+		return -EINVAL;
+
+	if (duty_ns == period_ns)
+		dc = OST_PWMDCCR_FDCYCLE;
+	else
+		dc = (pv + 1) * duty_ns / period_ns;
+
+	/*
+	 * NOTE: the clock to PWM has to be enabled first
+	 * before writing to the registers
+	 */
+	clk_prepare_enable(puv3->clk);
+
+	writel(prescale, puv3->base + OST_PWM_PWCR);
+	writel(pv - dc, puv3->base + OST_PWM_DCCR);
+	writel(pv, puv3->base + OST_PWM_PCR);
+
+	clk_disable_unprepare(puv3->clk);
+
+	return 0;
+}
+
+static int puv3_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	struct puv3_pwm_chip *puv3 = to_puv3(chip);
+
+	return clk_prepare_enable(puv3->clk);
+}
+
+static void puv3_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	struct puv3_pwm_chip *puv3 = to_puv3(chip);
+
+	clk_disable_unprepare(puv3->clk);
+}
+
+static const struct pwm_ops puv3_pwm_ops = {
+	.config = puv3_pwm_config,
+	.enable = puv3_pwm_enable,
+	.disable = puv3_pwm_disable,
+	.owner = THIS_MODULE,
+};
+
+static int __devinit pwm_probe(struct platform_device *pdev)
+{
+	struct puv3_pwm_chip *puv3;
+	struct resource *r;
+	int ret;
+
+	puv3 = devm_kzalloc(&pdev->dev, sizeof(*puv3), GFP_KERNEL);
+	if (puv3 == NULL) {
+		dev_err(&pdev->dev, "failed to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	puv3->clk = devm_clk_get(&pdev->dev, "OST_CLK");
+	if (IS_ERR(puv3->clk))
+		return PTR_ERR(puv3->clk);
+
+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (r == NULL) {
+		dev_err(&pdev->dev, "no memory resource defined\n");
+		return -ENODEV;
+	}
+
+	puv3->base = devm_request_and_ioremap(&pdev->dev, r);
+	if (puv3->base == NULL)
+		return -EADDRNOTAVAIL;
+
+	puv3->chip.dev = &pdev->dev;
+	puv3->chip.ops = &puv3_pwm_ops;
+	puv3->chip.base = -1;
+	puv3->chip.npwm = 1;
+
+	ret = pwmchip_add(&puv3->chip);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, puv3);
+	return 0;
+}
+
+static int __devexit pwm_remove(struct platform_device *pdev)
+{
+	struct puv3_pwm_chip *puv3 = platform_get_drvdata(pdev);
+
+	return pwmchip_remove(&puv3->chip);
+}
+
+static struct platform_driver puv3_pwm_driver = {
+	.driver = {
+		.name = "PKUnity-v3-PWM",
+	},
+	.probe = pwm_probe,
+	.remove = __devexit_p(pwm_remove),
+};
+module_platform_driver(puv3_pwm_driver);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c
index bd5867a1c70..260c3a88564 100644
--- a/drivers/pwm/pwm-pxa.c
+++ b/drivers/pwm/pwm-pxa.c
@@ -70,9 +70,6 @@ static int pxa_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	unsigned long offset;
 	int rc;
 
-	if (period_ns == 0 || duty_ns > period_ns)
-		return -EINVAL;
-
 	offset = pwm->hwpwm ? 0x10 : 0;
 
 	c = clk_get_rate(pc->clk);
diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c
index e5187c0ade9..023a3bee76e 100644
--- a/drivers/pwm/pwm-samsung.c
+++ b/drivers/pwm/pwm-samsung.c
@@ -126,9 +126,6 @@ static int s3c_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	if (period_ns > NS_IN_HZ || duty_ns > NS_IN_HZ)
 		return -ERANGE;
 
-	if (duty_ns > period_ns)
-		return -EINVAL;
-
 	if (period_ns == s3c->period_ns &&
 	    duty_ns == s3c->duty_ns)
 		return 0;
diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c
index 4b6688909fe..d6d4cf05565 100644
--- a/drivers/pwm/pwm-tiecap.c
+++ b/drivers/pwm/pwm-tiecap.c
@@ -32,6 +32,7 @@
 #define CAP3			0x10
 #define CAP4			0x14
 #define ECCTL2			0x2A
+#define ECCTL2_APWM_POL_LOW	BIT(10)
 #define ECCTL2_APWM_MODE	BIT(9)
 #define ECCTL2_SYNC_SEL_DISA	(BIT(7) | BIT(6))
 #define ECCTL2_TSCTR_FREERUN	BIT(4)
@@ -59,7 +60,7 @@ static int ecap_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	unsigned long period_cycles, duty_cycles;
 	unsigned int reg_val;
 
-	if (period_ns < 0 || duty_ns < 0 || period_ns > NSEC_PER_SEC)
+	if (period_ns > NSEC_PER_SEC)
 		return -ERANGE;
 
 	c = pc->clk_rate;
@@ -111,6 +112,26 @@ static int ecap_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	return 0;
 }
 
+static int ecap_pwm_set_polarity(struct pwm_chip *chip, struct pwm_device *pwm,
+		enum pwm_polarity polarity)
+{
+	struct ecap_pwm_chip *pc = to_ecap_pwm_chip(chip);
+	unsigned short reg_val;
+
+	pm_runtime_get_sync(pc->chip.dev);
+	reg_val = readw(pc->mmio_base + ECCTL2);
+	if (polarity == PWM_POLARITY_INVERSED)
+		/* Duty cycle defines LOW period of PWM */
+		reg_val |= ECCTL2_APWM_POL_LOW;
+	else
+		/* Duty cycle defines HIGH period of PWM */
+		reg_val &= ~ECCTL2_APWM_POL_LOW;
+
+	writew(reg_val, pc->mmio_base + ECCTL2);
+	pm_runtime_put_sync(pc->chip.dev);
+	return 0;
+}
+
 static int ecap_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct ecap_pwm_chip *pc = to_ecap_pwm_chip(chip);
@@ -157,6 +178,7 @@ static void ecap_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
 static const struct pwm_ops ecap_pwm_ops = {
 	.free		= ecap_pwm_free,
 	.config		= ecap_pwm_config,
+	.set_polarity	= ecap_pwm_set_polarity,
 	.enable		= ecap_pwm_enable,
 	.disable	= ecap_pwm_disable,
 	.owner		= THIS_MODULE,
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index b1996bcd5b7..d3c1dff0a0d 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -81,6 +81,15 @@
 #define AQCTL_ZRO_FRCHIGH	BIT(1)
 #define AQCTL_ZRO_FRCTOGGLE	(BIT(1) | BIT(0))
 
+#define AQCTL_CHANA_POLNORMAL	(AQCTL_CAU_FRCLOW | AQCTL_PRD_FRCHIGH | \
+				AQCTL_ZRO_FRCHIGH)
+#define AQCTL_CHANA_POLINVERSED	(AQCTL_CAU_FRCHIGH | AQCTL_PRD_FRCLOW | \
+				AQCTL_ZRO_FRCLOW)
+#define AQCTL_CHANB_POLNORMAL	(AQCTL_CBU_FRCLOW | AQCTL_PRD_FRCHIGH | \
+				AQCTL_ZRO_FRCHIGH)
+#define AQCTL_CHANB_POLINVERSED	(AQCTL_CBU_FRCHIGH | AQCTL_PRD_FRCLOW | \
+				AQCTL_ZRO_FRCLOW)
+
 #define AQSFRC_RLDCSF_MASK	(BIT(7) | BIT(6))
 #define AQSFRC_RLDCSF_ZRO	0
 #define AQSFRC_RLDCSF_PRD	BIT(6)
@@ -105,6 +114,7 @@ struct ehrpwm_pwm_chip {
 	unsigned int	clk_rate;
 	void __iomem	*mmio_base;
 	unsigned long period_cycles[NUM_PWM_CHANNEL];
+	enum pwm_polarity polarity[NUM_PWM_CHANNEL];
 };
 
 static inline struct ehrpwm_pwm_chip *to_ehrpwm_pwm_chip(struct pwm_chip *chip)
@@ -165,39 +175,37 @@ static int set_prescale_div(unsigned long rqst_prescaler,
 	return 1;
 }
 
-static void configure_chans(struct ehrpwm_pwm_chip *pc, int chan,
-		unsigned long duty_cycles)
+static void configure_polarity(struct ehrpwm_pwm_chip *pc, int chan)
 {
-	int cmp_reg, aqctl_reg;
+	int aqctl_reg;
 	unsigned short aqctl_val, aqctl_mask;
 
 	/*
-	 * Channels can be configured from action qualifier module.
-	 * Channel 0 configured with compare A register and for
-	 * up-counter mode.
-	 * Channel 1 configured with compare B register and for
-	 * up-counter mode.
+	 * Configure PWM output to HIGH/LOW level on counter
+	 * reaches compare register value and LOW/HIGH level
+	 * on counter value reaches period register value and
+	 * zero value on counter
 	 */
 	if (chan == 1) {
 		aqctl_reg = AQCTLB;
-		cmp_reg = CMPB;
-		/* Configure PWM Low from compare B value */
-		aqctl_val = AQCTL_CBU_FRCLOW;
 		aqctl_mask = AQCTL_CBU_MASK;
+
+		if (pc->polarity[chan] == PWM_POLARITY_INVERSED)
+			aqctl_val = AQCTL_CHANB_POLINVERSED;
+		else
+			aqctl_val = AQCTL_CHANB_POLNORMAL;
 	} else {
-		cmp_reg = CMPA;
 		aqctl_reg = AQCTLA;
-		/* Configure PWM Low from compare A value*/
-		aqctl_val = AQCTL_CAU_FRCLOW;
 		aqctl_mask = AQCTL_CAU_MASK;
+
+		if (pc->polarity[chan] == PWM_POLARITY_INVERSED)
+			aqctl_val = AQCTL_CHANA_POLINVERSED;
+		else
+			aqctl_val = AQCTL_CHANA_POLNORMAL;
 	}
 
-	/* Configure PWM High from period value and zero value */
-	aqctl_val |= AQCTL_PRD_FRCHIGH | AQCTL_ZRO_FRCHIGH;
 	aqctl_mask |= AQCTL_PRD_MASK | AQCTL_ZRO_MASK;
-	ehrpwm_modify(pc->mmio_base,  aqctl_reg, aqctl_mask, aqctl_val);
-
-	ehrpwm_write(pc->mmio_base,  cmp_reg, duty_cycles);
+	ehrpwm_modify(pc->mmio_base, aqctl_reg, aqctl_mask, aqctl_val);
 }
 
 /*
@@ -211,9 +219,9 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	unsigned long long c;
 	unsigned long period_cycles, duty_cycles;
 	unsigned short ps_divval, tb_divval;
-	int i;
+	int i, cmp_reg;
 
-	if (period_ns < 0 || duty_ns < 0 || period_ns > NSEC_PER_SEC)
+	if (period_ns > NSEC_PER_SEC)
 		return -ERANGE;
 
 	c = pc->clk_rate;
@@ -278,12 +286,29 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_CTRMODE_MASK,
 			TBCTL_CTRMODE_UP);
 
-	/* Configure the channel for duty cycle */
-	configure_chans(pc, pwm->hwpwm, duty_cycles);
+	if (pwm->hwpwm == 1)
+		/* Channel 1 configured with compare B register */
+		cmp_reg = CMPB;
+	else
+		/* Channel 0 configured with compare A register */
+		cmp_reg = CMPA;
+
+	ehrpwm_write(pc->mmio_base, cmp_reg, duty_cycles);
+
 	pm_runtime_put_sync(chip->dev);
 	return 0;
 }
 
+static int ehrpwm_pwm_set_polarity(struct pwm_chip *chip,
+		struct pwm_device *pwm,	enum pwm_polarity polarity)
+{
+	struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip);
+
+	/* Configuration of polarity in hardware delayed, do at enable */
+	pc->polarity[pwm->hwpwm] = polarity;
+	return 0;
+}
+
 static int ehrpwm_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip);
@@ -307,6 +332,9 @@ static int ehrpwm_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 
 	ehrpwm_modify(pc->mmio_base, AQCSFRC, aqcsfrc_mask, aqcsfrc_val);
 
+	/* Channels polarity can be configured from action qualifier module */
+	configure_polarity(pc, pwm->hwpwm);
+
 	/* Enable time counter for free_run */
 	ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_RUN_MASK, TBCTL_FREE_RUN);
 	return 0;
@@ -358,6 +386,7 @@ static void ehrpwm_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
 static const struct pwm_ops ehrpwm_pwm_ops = {
 	.free		= ehrpwm_pwm_free,
 	.config		= ehrpwm_pwm_config,
+	.set_polarity	= ehrpwm_pwm_set_polarity,
 	.enable		= ehrpwm_pwm_enable,
 	.disable	= ehrpwm_pwm_disable,
 	.owner		= THIS_MODULE,
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 48e9041dd1e..07da58bb495 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -55,9 +55,9 @@ static int rio_mport_phys_table[] = {
 };
 
 
-/*
+/**
  * rio_destid_alloc - Allocate next available destID for given network
- * net: RIO network
+ * @net: RIO network
  *
  * Returns next available device destination ID for the specified RIO network.
  * Marks allocated ID as one in use.
@@ -69,14 +69,9 @@ static u16 rio_destid_alloc(struct rio_net *net)
 	struct rio_id_table *idtab = &net->destid_table;
 
 	spin_lock(&idtab->lock);
-	destid = find_next_zero_bit(idtab->table, idtab->max, idtab->next);
-	if (destid >= idtab->max)
-		destid = find_first_zero_bit(idtab->table, idtab->max);
+	destid = find_first_zero_bit(idtab->table, idtab->max);
 
 	if (destid < idtab->max) {
-		idtab->next = destid + 1;
-		if (idtab->next >= idtab->max)
-			idtab->next = 0;
 		set_bit(destid, idtab->table);
 		destid += idtab->start;
 	} else
@@ -86,10 +81,10 @@ static u16 rio_destid_alloc(struct rio_net *net)
 	return (u16)destid;
 }
 
-/*
+/**
  * rio_destid_reserve - Reserve the specivied destID
- * net: RIO network
- * destid: destID to reserve
+ * @net: RIO network
+ * @destid: destID to reserve
  *
  * Tries to reserve the specified destID.
  * Returns 0 if successfull.
@@ -106,10 +101,10 @@ static int rio_destid_reserve(struct rio_net *net, u16 destid)
 	return oldbit;
 }
 
-/*
+/**
  * rio_destid_free - free a previously allocated destID
- * net: RIO network
- * destid: destID to free
+ * @net: RIO network
+ * @destid: destID to free
  *
  * Makes the specified destID available for use.
  */
@@ -123,9 +118,9 @@ static void rio_destid_free(struct rio_net *net, u16 destid)
 	spin_unlock(&idtab->lock);
 }
 
-/*
+/**
  * rio_destid_first - return first destID in use
- * net: RIO network
+ * @net: RIO network
  */
 static u16 rio_destid_first(struct rio_net *net)
 {
@@ -142,10 +137,10 @@ static u16 rio_destid_first(struct rio_net *net)
 	return (u16)destid;
 }
 
-/*
+/**
  * rio_destid_next - return next destID in use
- * net: RIO network
- * from: destination ID from which search shall continue
+ * @net: RIO network
+ * @from: destination ID from which search shall continue
  */
 static u16 rio_destid_next(struct rio_net *net, u16 from)
 {
@@ -1163,8 +1158,8 @@ static struct rio_net __devinit *rio_alloc_net(struct rio_mport *port,
 
 	net = kzalloc(sizeof(struct rio_net), GFP_KERNEL);
 	if (net && do_enum) {
-		net->destid_table.table = kzalloc(
-			BITS_TO_LONGS(RIO_MAX_ROUTE_ENTRIES(port->sys_size)) *
+		net->destid_table.table = kcalloc(
+			BITS_TO_LONGS(RIO_MAX_ROUTE_ENTRIES(port->sys_size)),
 			sizeof(long),
 			GFP_KERNEL);
 
@@ -1174,7 +1169,6 @@ static struct rio_net __devinit *rio_alloc_net(struct rio_mport *port,
 			net = NULL;
 		} else {
 			net->destid_table.start = start;
-			net->destid_table.next = 0;
 			net->destid_table.max =
 					RIO_MAX_ROUTE_ENTRIES(port->sys_size);
 			spin_lock_init(&net->destid_table.lock);
@@ -1391,7 +1385,7 @@ int __devinit rio_disc_mport(struct rio_mport *mport)
 		while (time_before(jiffies, to_end)) {
 			if (rio_enum_complete(mport))
 				goto enum_done;
-			schedule_timeout_uninterruptible(msecs_to_jiffies(10));
+			msleep(10);
 		}
 
 		pr_debug("RIO: discovery timeout on mport %d %s\n",
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index d4bd69013c5..c17ae22567e 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -1275,49 +1275,68 @@ static void __devinit disc_work_handler(struct work_struct *_work)
 	pr_debug("RIO: discovery work for mport %d %s\n",
 		 work->mport->id, work->mport->name);
 	rio_disc_mport(work->mport);
-
-	kfree(work);
 }
 
 int __devinit rio_init_mports(void)
 {
 	struct rio_mport *port;
 	struct rio_disc_work *work;
-	int no_disc = 0;
+	int n = 0;
+
+	if (!next_portid)
+		return -ENODEV;
 
+	/*
+	 * First, run enumerations and check if we need to perform discovery
+	 * on any of the registered mports.
+	 */
 	list_for_each_entry(port, &rio_mports, node) {
 		if (port->host_deviceid >= 0)
 			rio_enum_mport(port);
-		else if (!no_disc) {
-			if (!rio_wq) {
-				rio_wq = alloc_workqueue("riodisc", 0, 0);
-				if (!rio_wq) {
-					pr_err("RIO: unable allocate rio_wq\n");
-					no_disc = 1;
-					continue;
-				}
-			}
-
-			work = kzalloc(sizeof *work, GFP_KERNEL);
-			if (!work) {
-				pr_err("RIO: no memory for work struct\n");
-				no_disc = 1;
-				continue;
-			}
-
-			work->mport = port;
-			INIT_WORK(&work->work, disc_work_handler);
-			queue_work(rio_wq, &work->work);
-		}
+		else
+			n++;
+	}
+
+	if (!n)
+		goto no_disc;
+
+	/*
+	 * If we have mports that require discovery schedule a discovery work
+	 * for each of them. If the code below fails to allocate needed
+	 * resources, exit without error to keep results of enumeration
+	 * process (if any).
+	 * TODO: Implement restart of dicovery process for all or
+	 * individual discovering mports.
+	 */
+	rio_wq = alloc_workqueue("riodisc", 0, 0);
+	if (!rio_wq) {
+		pr_err("RIO: unable allocate rio_wq\n");
+		goto no_disc;
 	}
 
-	if (rio_wq) {
-		pr_debug("RIO: flush discovery workqueue\n");
-		flush_workqueue(rio_wq);
-		pr_debug("RIO: flush discovery workqueue finished\n");
+	work = kcalloc(n, sizeof *work, GFP_KERNEL);
+	if (!work) {
+		pr_err("RIO: no memory for work struct\n");
 		destroy_workqueue(rio_wq);
+		goto no_disc;
 	}
 
+	n = 0;
+	list_for_each_entry(port, &rio_mports, node) {
+		if (port->host_deviceid < 0) {
+			work[n].mport = port;
+			INIT_WORK(&work[n].work, disc_work_handler);
+			queue_work(rio_wq, &work[n].work);
+			n++;
+		}
+	}
+
+	flush_workqueue(rio_wq);
+	pr_debug("RIO: destroy discovery workqueue\n");
+	destroy_workqueue(rio_wq);
+	kfree(work);
+
+no_disc:
 	rio_init();
 
 	return 0;
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e069f176a82..19c03ab2bdc 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -59,6 +59,7 @@ comment "RTC interfaces"
 config RTC_INTF_SYSFS
 	boolean "/sys/class/rtc/rtcN (sysfs)"
 	depends on SYSFS
+	default RTC_CLASS
 	help
 	  Say yes here if you want to use your RTCs using sysfs interfaces,
 	  /sys/class/rtc/rtc0 through /sys/.../rtcN.
@@ -68,6 +69,7 @@ config RTC_INTF_SYSFS
 config RTC_INTF_PROC
 	boolean "/proc/driver/rtc (procfs for rtcN)"
 	depends on PROC_FS
+	default RTC_CLASS
 	help
 	  Say yes here if you want to use your system clock RTC through
 	  the proc interface, /proc/driver/rtc.
@@ -79,6 +81,7 @@ config RTC_INTF_PROC
 
 config RTC_INTF_DEV
 	boolean "/dev/rtcN (character devices)"
+	default RTC_CLASS
 	help
 	  Say yes here if you want to use your RTCs using the /dev
 	  interfaces, which "udev" sets up as /dev/rtc0 through
diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 891cd6c61d0..4eed51044c5 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -392,6 +392,8 @@ static int dryice_rtc_probe(struct platform_device *pdev)
 	if (imxdi->ioaddr == NULL)
 		return -ENOMEM;
 
+	spin_lock_init(&imxdi->irq_lock);
+
 	imxdi->irq = platform_get_irq(pdev, 0);
 	if (imxdi->irq < 0)
 		return imxdi->irq;
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index a5a55da2a1a..b6ad0de0793 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -69,23 +69,9 @@ static ssize_t dcssblk_add_store(struct device * dev, struct device_attribute *a
 				  size_t count);
 static ssize_t dcssblk_remove_store(struct device * dev, struct device_attribute *attr, const char * buf,
 				  size_t count);
-static ssize_t dcssblk_save_store(struct device * dev, struct device_attribute *attr, const char * buf,
-				  size_t count);
-static ssize_t dcssblk_save_show(struct device *dev, struct device_attribute *attr, char *buf);
-static ssize_t dcssblk_shared_store(struct device * dev, struct device_attribute *attr, const char * buf,
-				  size_t count);
-static ssize_t dcssblk_shared_show(struct device *dev, struct device_attribute *attr, char *buf);
-static ssize_t dcssblk_seglist_show(struct device *dev,
-				struct device_attribute *attr,
-				char *buf);
 
 static DEVICE_ATTR(add, S_IWUSR, NULL, dcssblk_add_store);
 static DEVICE_ATTR(remove, S_IWUSR, NULL, dcssblk_remove_store);
-static DEVICE_ATTR(save, S_IWUSR | S_IRUSR, dcssblk_save_show,
-		   dcssblk_save_store);
-static DEVICE_ATTR(shared, S_IWUSR | S_IRUSR, dcssblk_shared_show,
-		   dcssblk_shared_store);
-static DEVICE_ATTR(seglist, S_IRUSR, dcssblk_seglist_show, NULL);
 
 static struct device *dcssblk_root_dev;
 
@@ -416,6 +402,8 @@ out:
 	up_write(&dcssblk_devices_sem);
 	return rc;
 }
+static DEVICE_ATTR(shared, S_IWUSR | S_IRUSR, dcssblk_shared_show,
+		   dcssblk_shared_store);
 
 /*
  * device attribute for save operation on current copy
@@ -476,6 +464,8 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char
 	up_write(&dcssblk_devices_sem);
 	return count;
 }
+static DEVICE_ATTR(save, S_IWUSR | S_IRUSR, dcssblk_save_show,
+		   dcssblk_save_store);
 
 /*
  * device attribute for showing all segments in a device
@@ -502,6 +492,21 @@ dcssblk_seglist_show(struct device *dev, struct device_attribute *attr,
 	up_read(&dcssblk_devices_sem);
 	return i;
 }
+static DEVICE_ATTR(seglist, S_IRUSR, dcssblk_seglist_show, NULL);
+
+static struct attribute *dcssblk_dev_attrs[] = {
+	&dev_attr_shared.attr,
+	&dev_attr_save.attr,
+	&dev_attr_seglist.attr,
+	NULL,
+};
+static struct attribute_group dcssblk_dev_attr_group = {
+	.attrs = dcssblk_dev_attrs,
+};
+static const struct attribute_group *dcssblk_dev_attr_groups[] = {
+	&dcssblk_dev_attr_group,
+	NULL,
+};
 
 /*
  * device attribute for adding devices
@@ -590,6 +595,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 
 	dev_set_name(&dev_info->dev, dev_info->segment_name);
 	dev_info->dev.release = dcssblk_release_segment;
+	dev_info->dev.groups = dcssblk_dev_attr_groups;
 	INIT_LIST_HEAD(&dev_info->lh);
 	dev_info->gd = alloc_disk(DCSSBLK_MINORS_PER_DISK);
 	if (dev_info->gd == NULL) {
@@ -637,21 +643,10 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 	 * register the device
 	 */
 	rc = device_register(&dev_info->dev);
-	if (rc) {
-		module_put(THIS_MODULE);
-		goto dev_list_del;
-	}
-	get_device(&dev_info->dev);
-	rc = device_create_file(&dev_info->dev, &dev_attr_shared);
-	if (rc)
-		goto unregister_dev;
-	rc = device_create_file(&dev_info->dev, &dev_attr_save);
-	if (rc)
-		goto unregister_dev;
-	rc = device_create_file(&dev_info->dev, &dev_attr_seglist);
 	if (rc)
-		goto unregister_dev;
+		goto put_dev;
 
+	get_device(&dev_info->dev);
 	add_disk(dev_info->gd);
 
 	switch (dev_info->segment_type) {
@@ -668,12 +663,11 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 	rc = count;
 	goto out;
 
-unregister_dev:
+put_dev:
 	list_del(&dev_info->lh);
 	blk_cleanup_queue(dev_info->dcssblk_queue);
 	dev_info->gd->queue = NULL;
 	put_disk(dev_info->gd);
-	device_unregister(&dev_info->dev);
 	list_for_each_entry(seg_info, &dev_info->seg_list, lh) {
 		segment_unload(seg_info->segment_name);
 	}
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index b4d572f65f0..fd00afd8b85 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -377,7 +377,11 @@ static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow)
 		/* Will be done on the slow path. */
 		return -EAGAIN;
 	}
-	if (stsch_err(schid, &schib) || !css_sch_is_valid(&schib)) {
+	if (stsch_err(schid, &schib)) {
+		/* Subchannel is not provided. */
+		return -ENXIO;
+	}
+	if (!css_sch_is_valid(&schib)) {
 		/* Unusable - ignore. */
 		return 0;
 	}
@@ -536,6 +540,7 @@ static int slow_eval_unknown_fn(struct subchannel_id schid, void *data)
 		case -ENOMEM:
 		case -EIO:
 			/* These should abort looping */
+			idset_sch_del_subseq(slow_subchannel_set, schid);
 			break;
 		default:
 			rc = 0;
diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c
index e6d5f8c4952..199bc679117 100644
--- a/drivers/s390/cio/idset.c
+++ b/drivers/s390/cio/idset.c
@@ -1,9 +1,10 @@
 /*
- *    Copyright IBM Corp. 2007
+ *    Copyright IBM Corp. 2007, 2012
  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
  */
 
 #include <linux/vmalloc.h>
+#include <linux/bitmap.h>
 #include <linux/bitops.h>
 #include "idset.h"
 #include "css.h"
@@ -89,6 +90,14 @@ void idset_sch_del(struct idset *set, struct subchannel_id schid)
 	idset_del(set, schid.ssid, schid.sch_no);
 }
 
+/* Clear ids starting from @schid up to end of subchannel set. */
+void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid)
+{
+	int pos = schid.ssid * set->num_id + schid.sch_no;
+
+	bitmap_clear(set->bitmap, pos, set->num_id - schid.sch_no);
+}
+
 int idset_sch_contains(struct idset *set, struct subchannel_id schid)
 {
 	return idset_contains(set, schid.ssid, schid.sch_no);
@@ -111,20 +120,13 @@ int idset_sch_get_first(struct idset *set, struct subchannel_id *schid)
 
 int idset_is_empty(struct idset *set)
 {
-	int bitnum;
-
-	bitnum = find_first_bit(set->bitmap, set->num_ssid * set->num_id);
-	if (bitnum >= set->num_ssid * set->num_id)
-		return 1;
-	return 0;
+	return bitmap_empty(set->bitmap, set->num_ssid * set->num_id);
 }
 
 void idset_add_set(struct idset *to, struct idset *from)
 {
-	unsigned long i, len;
+	int len = min(__BITOPS_WORDS(to->num_ssid * to->num_id),
+		      __BITOPS_WORDS(from->num_ssid * from->num_id));
 
-	len = min(__BITOPS_WORDS(to->num_ssid * to->num_id),
-		  __BITOPS_WORDS(from->num_ssid * from->num_id));
-	for (i = 0; i < len ; i++)
-		to->bitmap[i] |= from->bitmap[i];
+	bitmap_or(to->bitmap, to->bitmap, from->bitmap, len);
 }
diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h
index 3d943f03591..06d3bc01bb0 100644
--- a/drivers/s390/cio/idset.h
+++ b/drivers/s390/cio/idset.h
@@ -1,5 +1,5 @@
 /*
- *    Copyright IBM Corp. 2007
+ *    Copyright IBM Corp. 2007, 2012
  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
  */
 
@@ -17,6 +17,7 @@ void idset_fill(struct idset *set);
 struct idset *idset_sch_new(void);
 void idset_sch_add(struct idset *set, struct subchannel_id id);
 void idset_sch_del(struct idset *set, struct subchannel_id id);
+void idset_sch_del_subseq(struct idset *set, struct subchannel_id schid);
 int idset_sch_contains(struct idset *set, struct subchannel_id id);
 int idset_sch_get_first(struct idset *set, struct subchannel_id *id);
 int idset_is_empty(struct idset *set);
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index c7275e303a0..899ffa19f5e 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -39,7 +39,6 @@
 #include "zcrypt_msgtype6.h"
 #include "zcrypt_pcixcc.h"
 #include "zcrypt_cca_key.h"
-#include "zcrypt_msgtype6.h"
 
 #define PCIXCC_MIN_MOD_SIZE	 16	/*  128 bits	*/
 #define PCIXCC_MIN_MOD_SIZE_OLD	 64	/*  512 bits	*/
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 2db409330c2..e67e0258aec 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1141,11 +1141,12 @@ static int qeth_l2_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		rtnl_lock();
-		dev_close(card->dev);
-		rtnl_unlock();
-		dev_warn(&card->gdev->dev, "The qeth device driver "
-			"failed to recover an error on the device\n");
+		if (rtnl_trylock()) {
+			dev_close(card->dev);
+			rtnl_unlock();
+			dev_warn(&card->gdev->dev, "The qeth device driver "
+				"failed to recover an error on the device\n");
+		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 4cd310cb5bd..5ba39065849 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3510,11 +3510,12 @@ static int qeth_l3_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		rtnl_lock();
-		dev_close(card->dev);
-		rtnl_unlock();
-		dev_warn(&card->gdev->dev, "The qeth device driver "
-			"failed to recover an error on the device\n");
+		if (rtnl_trylock()) {
+			dev_close(card->dev);
+			rtnl_unlock();
+			dev_warn(&card->gdev->dev, "The qeth device driver "
+				"failed to recover an error on the device\n");
+		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 207b7d74244..d8f990b6b33 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -157,7 +157,7 @@ static int smsg_pm_restore_thaw(struct device *dev)
 #ifdef CONFIG_PM_DEBUG
 	printk(KERN_WARNING "smsg_pm_restore_thaw\n");
 #endif
-	if (smsg_path && iucv_path_connected) {
+	if (smsg_path && !iucv_path_connected) {
 		memset(smsg_path, 0, sizeof(*smsg_path));
 		smsg_path->msglim = 255;
 		smsg_path->flags = 0;
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index 6206a666a8e..737554c37d9 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -179,6 +179,7 @@ static void print_SCp(struct scsi_pointer *SCp, const char *prefix, const char *
 		SCp->buffers_residual, suffix);
 }
 
+#ifdef CHECK_STRUCTURE
 static void fas216_dumpinfo(FAS216_Info *info)
 {
 	static int used = 0;
@@ -223,7 +224,6 @@ static void fas216_dumpinfo(FAS216_Info *info)
 		info->internal_done, info->magic_end);
 }
 
-#ifdef CHECK_STRUCTURE
 static void __fas216_checkmagic(FAS216_Info *info, const char *func)
 {
 	int corruption = 0;
diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c
index d25f944b59c..fc6a5aabf66 100644
--- a/drivers/scsi/arm/oak.c
+++ b/drivers/scsi/arm/oak.c
@@ -21,6 +21,7 @@
 /*#define PSEUDO_DMA*/
 
 #define OAKSCSI_PUBLIC_RELEASE 1
+#define DONT_USE_INTR
 
 #define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
 #define NCR5380_local_declare()		void __iomem *_base
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index b7c326f7a6d..342d7d9c099 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -165,6 +165,16 @@ bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
 	bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
 }
 
+static void
+bfa_com_fru_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
+{
+	struct bfa_fru_s	*fru = BFA_FRU(bfa);
+	struct bfa_mem_dma_s	*fru_dma = BFA_MEM_FRU_DMA(bfa);
+
+	bfa_fru_attach(fru, &bfa->ioc, bfa, bfa->trcmod, mincfg);
+	bfa_fru_memclaim(fru, fru_dma->kva_curp, fru_dma->dma_curp, mincfg);
+}
+
 /*
  * BFA IOC FC related definitions
  */
@@ -274,6 +284,15 @@ bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 	case IOCFC_E_IOC_ENABLED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
 		break;
+
+	case IOCFC_E_DISABLE:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+		break;
+
+	case IOCFC_E_STOP:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+		break;
+
 	case IOCFC_E_IOC_FAILED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
 		break;
@@ -298,6 +317,15 @@ bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 	case IOCFC_E_DCONF_DONE:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait);
 		break;
+
+	case IOCFC_E_DISABLE:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+		break;
+
+	case IOCFC_E_STOP:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+		break;
+
 	case IOCFC_E_IOC_FAILED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
 		break;
@@ -322,6 +350,15 @@ bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 	case IOCFC_E_CFG_DONE:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done);
 		break;
+
+	case IOCFC_E_DISABLE:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+		break;
+
+	case IOCFC_E_STOP:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
+		break;
+
 	case IOCFC_E_IOC_FAILED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
 		break;
@@ -433,6 +470,12 @@ bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 		bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe,
 			     bfa_iocfc_stop_cb, iocfc->bfa);
 		break;
+
+	case IOCFC_E_IOC_ENABLED:
+	case IOCFC_E_DCONF_DONE:
+	case IOCFC_E_CFG_DONE:
+		break;
+
 	default:
 		bfa_sm_fault(iocfc->bfa, event);
 		break;
@@ -454,6 +497,15 @@ bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 	case IOCFC_E_IOC_ENABLED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
 		break;
+
+	case IOCFC_E_DISABLE:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+		break;
+
+	case IOCFC_E_STOP:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
+		break;
+
 	case IOCFC_E_IOC_FAILED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
 
@@ -493,6 +545,13 @@ bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 			     bfa_iocfc_enable_cb, iocfc->bfa);
 		iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
 		break;
+	case IOCFC_E_DISABLE:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
+		break;
+
+	case IOCFC_E_STOP:
+		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
+		break;
 	case IOCFC_E_IOC_FAILED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
 		if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
@@ -524,6 +583,10 @@ bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 	case IOCFC_E_IOC_DISABLED:
 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled);
 		break;
+	case IOCFC_E_IOC_ENABLED:
+	case IOCFC_E_DCONF_DONE:
+	case IOCFC_E_CFG_DONE:
+		break;
 	default:
 		bfa_sm_fault(iocfc->bfa, event);
 		break;
@@ -785,19 +848,20 @@ void
 bfa_isr_enable(struct bfa_s *bfa)
 {
 	u32 umsk;
-	int pci_func = bfa_ioc_pcifn(&bfa->ioc);
+	int port_id = bfa_ioc_portid(&bfa->ioc);
 
-	bfa_trc(bfa, pci_func);
+	bfa_trc(bfa, bfa_ioc_pcifn(&bfa->ioc));
+	bfa_trc(bfa, port_id);
 
 	bfa_msix_ctrl_install(bfa);
 
 	if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
 		umsk = __HFN_INT_ERR_MASK_CT2;
-		umsk |= pci_func == 0 ?
+		umsk |= port_id == 0 ?
 			__HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2;
 	} else {
 		umsk = __HFN_INT_ERR_MASK;
-		umsk |= pci_func == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK;
+		umsk |= port_id == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK;
 	}
 
 	writel(umsk, bfa->iocfc.bfa_regs.intr_status);
@@ -930,7 +994,8 @@ bfa_iocfc_send_cfg(void *bfa_arg)
 		cfg_info->single_msix_vec = 1;
 	cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
 	cfg_info->num_cqs = cfg->fwcfg.num_cqs;
-	cfg_info->num_ioim_reqs = cpu_to_be16(cfg->fwcfg.num_ioim_reqs);
+	cfg_info->num_ioim_reqs = cpu_to_be16(bfa_fcpim_get_throttle_cfg(bfa,
+					       cfg->fwcfg.num_ioim_reqs));
 	cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs);
 
 	bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
@@ -1192,10 +1257,14 @@ bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg)
 static void
 bfa_iocfc_res_recfg(struct bfa_s *bfa, struct bfa_iocfc_fwcfg_s *fwcfg)
 {
+	struct bfa_iocfc_s	*iocfc   = &bfa->iocfc;
+	struct bfi_iocfc_cfg_s	*cfg_info = iocfc->cfginfo;
+
 	bfa_fcxp_res_recfg(bfa, fwcfg->num_fcxp_reqs);
 	bfa_uf_res_recfg(bfa, fwcfg->num_uf_bufs);
 	bfa_rport_res_recfg(bfa, fwcfg->num_rports);
-	bfa_fcp_res_recfg(bfa, fwcfg->num_ioim_reqs);
+	bfa_fcp_res_recfg(bfa, cpu_to_be16(cfg_info->num_ioim_reqs),
+			  fwcfg->num_ioim_reqs);
 	bfa_tskim_res_recfg(bfa, fwcfg->num_tskim_reqs);
 }
 
@@ -1693,6 +1762,7 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
 	struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
 	struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
 	struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
+	struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa);
 
 	WARN_ON((cfg == NULL) || (meminfo == NULL));
 
@@ -1717,6 +1787,8 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
 	bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
 	bfa_mem_dma_setup(meminfo, phy_dma,
 			  bfa_phy_meminfo(cfg->drvcfg.min_cfg));
+	bfa_mem_dma_setup(meminfo, fru_dma,
+			  bfa_fru_meminfo(cfg->drvcfg.min_cfg));
 }
 
 /*
@@ -1789,6 +1861,7 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
 	bfa_com_diag_attach(bfa);
 	bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
+	bfa_com_fru_attach(bfa, cfg->drvcfg.min_cfg);
 }
 
 /*
diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h
index b5a1595cc0a..0efdf312b42 100644
--- a/drivers/scsi/bfa/bfa_defs.h
+++ b/drivers/scsi/bfa/bfa_defs.h
@@ -159,10 +159,13 @@ enum bfa_status {
 	BFA_STATUS_BEACON_ON    = 72,   /* Port Beacon already on */
 	BFA_STATUS_ENOFSAVE	= 78,	/*  No saved firmware trace */
 	BFA_STATUS_IOC_DISABLED = 82,   /* IOC is already disabled */
+	BFA_STATUS_ERROR_TRL_ENABLED  = 87,   /* TRL is enabled */
+	BFA_STATUS_ERROR_QOS_ENABLED  = 88,   /* QoS is enabled */
 	BFA_STATUS_NO_SFP_DEV = 89,	/* No SFP device check or replace SFP */
 	BFA_STATUS_MEMTEST_FAILED = 90, /* Memory test failed contact support */
 	BFA_STATUS_LEDTEST_OP = 109, /* LED test is operating */
 	BFA_STATUS_INVALID_MAC  = 134, /*  Invalid MAC address */
+	BFA_STATUS_CMD_NOTSUPP_CNA = 146, /* Command not supported for CNA */
 	BFA_STATUS_PBC		= 154, /*  Operation not allowed for pre-boot
 					*  configuration */
 	BFA_STATUS_BAD_FWCFG = 156,	/* Bad firmware configuration */
@@ -184,6 +187,17 @@ enum bfa_status {
 	BFA_STATUS_FAA_ACQ_ADDR = 200,	/* Acquiring addr */
 	BFA_STATUS_ERROR_TRUNK_ENABLED = 203,	/* Trunk enabled on adapter */
 	BFA_STATUS_MAX_ENTRY_REACHED = 212,	/* MAX entry reached */
+	BFA_STATUS_TOPOLOGY_LOOP = 230, /* Topology is set to Loop */
+	BFA_STATUS_LOOP_UNSUPP_MEZZ = 231, /* Loop topology is not supported
+					    * on mezz cards */
+	BFA_STATUS_INVALID_BW = 233,	/* Invalid bandwidth value */
+	BFA_STATUS_QOS_BW_INVALID = 234,   /* Invalid QOS bandwidth
+					    * configuration */
+	BFA_STATUS_DPORT_ENABLED = 235, /* D-port mode is already enabled */
+	BFA_STATUS_DPORT_DISABLED = 236, /* D-port mode is already disabled */
+	BFA_STATUS_CMD_NOTSUPP_MEZZ = 239, /* Cmd not supported for MEZZ card */
+	BFA_STATUS_FRU_NOT_PRESENT = 240, /* fru module not present */
+	BFA_STATUS_DPORT_ERR = 245,	/* D-port mode is enabled */
 	BFA_STATUS_MAX_VAL		/* Unknown error code */
 };
 #define bfa_status_t enum bfa_status
@@ -249,6 +263,10 @@ struct bfa_adapter_attr_s {
 
 	u8		is_mezz;
 	u8		trunk_capable;
+	u8		mfg_day;	/* manufacturing day */
+	u8		mfg_month;	/* manufacturing month */
+	u16		mfg_year;	/* manufacturing year */
+	u16		rsvd;
 };
 
 /*
@@ -499,6 +517,17 @@ struct bfa_ioc_aen_data_s {
 };
 
 /*
+ *	D-port states
+ *
+*/
+enum bfa_dport_state {
+	BFA_DPORT_ST_DISABLED	= 0,	/* D-port is Disabled */
+	BFA_DPORT_ST_DISABLING	= 1,	/* D-port is Disabling */
+	BFA_DPORT_ST_ENABLING	= 2,	/* D-port is Enabling */
+	BFA_DPORT_ST_ENABLED	= 3,	/* D-port is Enabled */
+};
+
+/*
  * ---------------------- mfg definitions ------------
  */
 
@@ -722,7 +751,8 @@ struct bfa_ablk_cfg_pf_s {
 	u8	rsvd[1];
 	u16	num_qpairs;
 	u16	num_vectors;
-	u32	bw;
+	u16	bw_min;
+	u16	bw_max;
 };
 
 struct bfa_ablk_cfg_port_s {
@@ -889,11 +919,40 @@ struct sfp_diag_ext_s {
 	u8	ext_status_ctl[2];
 };
 
+/*
+ * Diagnostic: Data Fields -- Address A2h
+ * General Use Fields: User Writable Table - Features's Control Registers
+ * Total 32 bytes
+ */
+struct sfp_usr_eeprom_s {
+	u8	rsvd1[2];       /* 128-129 */
+	u8	ewrap;          /* 130 */
+	u8	rsvd2[2];       /*  */
+	u8	owrap;          /* 133 */
+	u8	rsvd3[2];       /*  */
+	u8	prbs;           /* 136: PRBS 7 generator */
+	u8	rsvd4[2];       /*  */
+	u8	tx_eqz_16;      /* 139: TX Equalizer (16xFC) */
+	u8	tx_eqz_8;       /* 140: TX Equalizer (8xFC) */
+	u8	rsvd5[2];       /*  */
+	u8	rx_emp_16;      /* 143: RX Emphasis (16xFC) */
+	u8	rx_emp_8;       /* 144: RX Emphasis (8xFC) */
+	u8	rsvd6[2];       /*  */
+	u8	tx_eye_adj;     /* 147: TX eye Threshold Adjust */
+	u8	rsvd7[3];       /*  */
+	u8	tx_eye_qctl;    /* 151: TX eye Quality Control */
+	u8	tx_eye_qres;    /* 152: TX eye Quality Result */
+	u8	rsvd8[2];       /*  */
+	u8	poh[3];         /* 155-157: Power On Hours */
+	u8	rsvd9[2];       /*  */
+};
+
 struct sfp_mem_s {
 	struct sfp_srlid_base_s	srlid_base;
 	struct sfp_srlid_ext_s	srlid_ext;
 	struct sfp_diag_base_s	diag_base;
 	struct sfp_diag_ext_s	diag_ext;
+	struct sfp_usr_eeprom_s usr_eeprom;
 };
 
 /*
diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h
index 36756ce0e58..ec03c8cd8da 100644
--- a/drivers/scsi/bfa/bfa_defs_svc.h
+++ b/drivers/scsi/bfa/bfa_defs_svc.h
@@ -258,6 +258,7 @@ struct bfa_fw_port_lksm_stats_s {
 	u32    hwsm_lrr_rx;        /*  No. of times LRR rx-ed by HWSM      */
 	u32    hwsm_lr_rx;         /*  No. of times LR rx-ed by HWSM       */
 	u32    bbsc_lr;		   /* LKSM LR tx for credit recovery       */
+	u32	rsvd;
 };
 
 struct bfa_fw_port_snsm_stats_s {
@@ -270,6 +271,9 @@ struct bfa_fw_port_snsm_stats_s {
 	u32    sync_lost;          /*  Sync loss count                     */
 	u32    sig_lost;           /*  Signal loss count                   */
 	u32    asn8g_attempts;	   /* SNSM HWSM at 8Gbps attempts	   */
+	u32    adapt_success;	   /* SNSM adaptation success	*/
+	u32    adapt_fails;	   /* SNSM adaptation failures */
+	u32    adapt_ign_fails;	   /* SNSM adaptation failures ignored */
 };
 
 struct bfa_fw_port_physm_stats_s {
@@ -324,12 +328,46 @@ struct bfa_fw_fcoe_port_stats_s {
 	struct bfa_fw_fip_stats_s		fip_stats;
 };
 
+/**
+ * @brief LPSM statistics
+ */
+struct bfa_fw_lpsm_stats_s {
+	u32	cls_rx;		/* LPSM cls_rx			*/
+	u32	cls_tx;		/* LPSM cls_tx			*/
+	u32	arbf0_rx;	/* LPSM abrf0 rcvd		*/
+	u32	arbf0_tx;	/* LPSM abrf0 xmit		*/
+	u32	init_rx;	/* LPSM loop init start		*/
+	u32	unexp_hwst;	/* LPSM unknown hw state	*/
+	u32	unexp_frame;	/* LPSM unknown_frame		*/
+	u32	unexp_prim;	/* LPSM unexpected primitive	*/
+	u32	prev_alpa_unavail; /* LPSM prev alpa unavailable */
+	u32	alpa_unavail;	/* LPSM alpa not available	*/
+	u32	lip_rx;		/* LPSM lip rcvd		*/
+	u32	lip_f7f7_rx;	/* LPSM lip f7f7 rcvd		*/
+	u32	lip_f8_rx;	/* LPSM lip f8 rcvd		*/
+	u32	lip_f8f7_rx;	/* LPSM lip f8f7 rcvd		*/
+	u32	lip_other_rx;	/* LPSM lip other rcvd		*/
+	u32	lip_tx;		/* LPSM lip xmit		*/
+	u32	retry_tov;	/* LPSM retry TOV		*/
+	u32	lip_tov;	/* LPSM LIP wait TOV		*/
+	u32	idle_tov;	/* LPSM idle wait TOV		*/
+	u32	arbf0_tov;	/* LPSM arbfo wait TOV		*/
+	u32	stop_loop_tov;	/* LPSM stop loop wait TOV	*/
+	u32	lixa_tov;	/* LPSM lisa wait TOV		*/
+	u32	lixx_tov;	/* LPSM lilp/lirp wait TOV	*/
+	u32	cls_tov;	/* LPSM cls wait TOV		*/
+	u32	sler;		/* LPSM SLER recvd		*/
+	u32	failed;		/* LPSM failed			*/
+	u32	success;	/* LPSM online			*/
+};
+
 /*
  * IOC firmware FC uport stats
  */
 struct bfa_fw_fc_uport_stats_s {
 	struct bfa_fw_port_snsm_stats_s		snsm_stats;
 	struct bfa_fw_port_lksm_stats_s		lksm_stats;
+	struct bfa_fw_lpsm_stats_s		lpsm_stats;
 };
 
 /*
@@ -357,11 +395,6 @@ struct bfa_fw_fcxchg_stats_s {
 	u32	ua_state_inv;
 };
 
-struct bfa_fw_lpsm_stats_s {
-	u32	cls_rx;
-	u32	cls_tx;
-};
-
 /*
  *  Trunk statistics
  */
@@ -454,7 +487,6 @@ struct bfa_fw_stats_s {
 	struct bfa_fw_io_stats_s	io_stats;
 	struct bfa_fw_port_stats_s	port_stats;
 	struct bfa_fw_fcxchg_stats_s	fcxchg_stats;
-	struct bfa_fw_lpsm_stats_s	lpsm_stats;
 	struct bfa_fw_lps_stats_s	lps_stats;
 	struct bfa_fw_trunk_stats_s	trunk_stats;
 	struct bfa_fw_advsm_stats_s	advsm_stats;
@@ -494,13 +526,23 @@ enum bfa_qos_bw_alloc {
 	BFA_QOS_BW_LOW  =  10,	/*  bandwidth allocation for Low */
 };
 #pragma pack(1)
+
+struct bfa_qos_bw_s {
+	u8	qos_bw_set;
+	u8	high;
+	u8	med;
+	u8	low;
+};
+
 /*
  * QoS attribute returned in QoS Query
  */
 struct bfa_qos_attr_s {
-	u8		state;		/*  QoS current state */
-	u8		rsvd[3];
-	u32  total_bb_cr;		/*  Total BB Credits */
+	u8	state;		/*  QoS current state */
+	u8	rsvd1[3];
+	u32	total_bb_cr;	/*  Total BB Credits */
+	struct bfa_qos_bw_s qos_bw;	/* QOS bw cfg */
+	struct bfa_qos_bw_s qos_bw_op;	/* QOS bw operational */
 };
 
 /*
@@ -692,7 +734,8 @@ enum bfa_port_states {
 	BFA_PORT_ST_FWMISMATCH		= 12,
 	BFA_PORT_ST_PREBOOT_DISABLED	= 13,
 	BFA_PORT_ST_TOGGLING_QWAIT	= 14,
-	BFA_PORT_ST_ACQ_ADDR		= 15,
+	BFA_PORT_ST_FAA_MISCONFIG	= 15,
+	BFA_PORT_ST_DPORT		= 16,
 	BFA_PORT_ST_MAX_STATE,
 };
 
@@ -714,9 +757,11 @@ enum bfa_port_type {
  */
 enum bfa_port_topology {
 	BFA_PORT_TOPOLOGY_NONE = 0,	/*  No valid topology */
-	BFA_PORT_TOPOLOGY_P2P  = 1,	/*  P2P only */
-	BFA_PORT_TOPOLOGY_LOOP = 2,	/*  LOOP topology */
-	BFA_PORT_TOPOLOGY_AUTO = 3,	/*  auto topology selection */
+	BFA_PORT_TOPOLOGY_P2P_OLD_VER = 1, /* P2P def for older ver */
+	BFA_PORT_TOPOLOGY_LOOP = 2,	/* LOOP topology */
+	BFA_PORT_TOPOLOGY_AUTO_OLD_VER = 3, /* auto def for older ver */
+	BFA_PORT_TOPOLOGY_AUTO = 4,	/* auto topology selection */
+	BFA_PORT_TOPOLOGY_P2P = 5,	/* P2P only */
 };
 
 /*
@@ -760,6 +805,7 @@ enum bfa_port_linkstate_rsn {
 	BFA_PORT_LINKSTATE_RSN_LOCAL_FAULT	= 9,
 	BFA_PORT_LINKSTATE_RSN_REMOTE_FAULT	= 10,
 	BFA_PORT_LINKSTATE_RSN_TIMEOUT		= 11,
+	BFA_PORT_LINKSTATE_RSN_FAA_MISCONFIG	= 12,
 
 
 
@@ -833,6 +879,19 @@ struct bfa_lunmask_cfg_s {
 	struct bfa_lun_mask_s	lun_list[MAX_LUN_MASK_CFG];
 };
 
+struct bfa_throttle_cfg_s {
+	u16	is_valid;
+	u16	value;
+	u32	rsvd;
+};
+
+struct bfa_defs_fcpim_throttle_s {
+	u16	max_value;
+	u16	cur_value;
+	u16	cfg_value;
+	u16	rsvd;
+};
+
 /*
  *      Physical port configuration
  */
@@ -851,9 +910,10 @@ struct bfa_port_cfg_s {
 	u8	 bb_scn;	/*  BB_SCN value from FLOGI Exchg */
 	u8	 bb_scn_state;	/*  Config state of BB_SCN */
 	u8	 faa_state;	/*  FAA enabled/disabled        */
-	u8	 rsvd[1];
+	u8	 rsvd1;
 	u16	 path_tov;	/*  device path timeout	*/
 	u16	 q_depth;	/*  SCSI Queue depth		*/
+	struct bfa_qos_bw_s qos_bw;	/* QOS bandwidth	*/
 };
 #pragma pack()
 
@@ -901,7 +961,7 @@ struct bfa_port_attr_s {
 
 	/* FCoE specific  */
 	u16			fcoe_vlan;
-	u8			rsvd1[2];
+	u8			rsvd1[6];
 };
 
 /*
@@ -971,6 +1031,13 @@ struct bfa_trunk_vc_attr_s {
 	u16 vc_credits[8];
 };
 
+struct bfa_fcport_loop_info_s {
+	u8	myalpa;		/* alpa claimed */
+	u8	alpabm_val;	/* alpa bitmap valid or not (1 or 0) */
+	u8	resvd[6];
+	struct fc_alpabm_s alpabm;	/* alpa bitmap */
+};
+
 /*
  *	Link state information
  */
@@ -981,13 +1048,18 @@ struct bfa_port_link_s {
 	u8	 speed;		/*  Link speed (1/2/4/8 G) */
 	u32	 linkstate_opt; /*  Linkstate optional data (debug) */
 	u8	 trunked;	/*  Trunked or not (1 or 0) */
-	u8	 resvd[3];
+	u8	 resvd[7];
 	struct bfa_qos_attr_s  qos_attr;   /* QoS Attributes */
 	union {
-		struct bfa_qos_vc_attr_s qos_vc_attr;  /*  VC info from ELP */
-		struct bfa_trunk_vc_attr_s trunk_vc_attr;
-		struct bfa_fcport_fcf_s fcf; /*  FCF information (for FCoE) */
-	} vc_fcf;
+		struct bfa_fcport_loop_info_s loop_info;
+		union {
+			struct bfa_qos_vc_attr_s qos_vc_attr;
+					/*  VC info from ELP */
+			struct bfa_trunk_vc_attr_s trunk_vc_attr;
+			struct bfa_fcport_fcf_s fcf;
+					/*  FCF information (for FCoE) */
+		} vc_fcf;
+	} attr;
 };
 #pragma pack()
 
@@ -1112,6 +1184,9 @@ struct bfa_port_fc_stats_s {
 	u64     tx_frames;      /*  Tx frames                   */
 	u64     tx_words;       /*  Tx words                    */
 	u64     tx_lip;         /*  Tx LIP                      */
+	u64	tx_lip_f7f7;	/*  Tx LIP_F7F7		*/
+	u64	tx_lip_f8f7;	/*  Tx LIP_F8F7		*/
+	u64	tx_arbf0;	/*  Tx ARB F0			*/
 	u64     tx_nos;         /*  Tx NOS                      */
 	u64     tx_ols;         /*  Tx OLS                      */
 	u64     tx_lr;          /*  Tx LR                       */
@@ -1119,6 +1194,9 @@ struct bfa_port_fc_stats_s {
 	u64     rx_frames;      /*  Rx frames                   */
 	u64     rx_words;       /*  Rx words                    */
 	u64     lip_count;      /*  Rx LIP                      */
+	u64	rx_lip_f7f7;	/*  Rx LIP_F7F7		*/
+	u64	rx_lip_f8f7;	/*  Rx LIP_F8F7		*/
+	u64	rx_arbf0;	/*  Rx ARB F0			*/
 	u64     nos_count;      /*  Rx NOS                      */
 	u64     ols_count;      /*  Rx OLS                      */
 	u64     lr_count;       /*  Rx LR                       */
@@ -1140,6 +1218,7 @@ struct bfa_port_fc_stats_s {
 	u64	bbsc_frames_lost; /* Credit Recovery-Frames Lost  */
 	u64	bbsc_credits_lost; /* Credit Recovery-Credits Lost */
 	u64	bbsc_link_resets; /* Credit Recovery-Link Resets   */
+	u64	loop_timeouts;	/*  Loop timeouts		*/
 };
 
 /*
diff --git a/drivers/scsi/bfa/bfa_fc.h b/drivers/scsi/bfa/bfa_fc.h
index e0beb4d7e26..bea821b9803 100644
--- a/drivers/scsi/bfa/bfa_fc.h
+++ b/drivers/scsi/bfa/bfa_fc.h
@@ -24,6 +24,7 @@ typedef u64 wwn_t;
 
 #define WWN_NULL	(0)
 #define FC_SYMNAME_MAX	256	/*  max name server symbolic name size */
+#define FC_ALPA_MAX	128
 
 #pragma pack(1)
 
@@ -1015,6 +1016,10 @@ struct fc_symname_s {
 	u8         symname[FC_SYMNAME_MAX];
 };
 
+struct fc_alpabm_s {
+	u8	alpa_bm[FC_ALPA_MAX / 8];
+};
+
 /*
  * protocol default timeout values
  */
diff --git a/drivers/scsi/bfa/bfa_fcbuild.c b/drivers/scsi/bfa/bfa_fcbuild.c
index 273cee90b3b..dce787f6cca 100644
--- a/drivers/scsi/bfa/bfa_fcbuild.c
+++ b/drivers/scsi/bfa/bfa_fcbuild.c
@@ -228,6 +228,10 @@ fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
 
 	memcpy(plogi, &plogi_tmpl, sizeof(struct fc_logi_s));
 
+	/* For FC AL bb_cr is 0 and altbbcred is 1 */
+	if (!bb_cr)
+		plogi->csp.altbbcred = 1;
+
 	plogi->els_cmd.els_code = els_code;
 	if (els_code == FC_ELS_PLOGI)
 		fc_els_req_build(fchs, d_id, s_id, ox_id);
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
index 1633963c66c..27b56096235 100644
--- a/drivers/scsi/bfa/bfa_fcpim.c
+++ b/drivers/scsi/bfa/bfa_fcpim.c
@@ -158,6 +158,7 @@ enum bfa_tskim_event {
 	BFA_TSKIM_SM_IOS_DONE	= 7,	/*  IO and sub TM completions	*/
 	BFA_TSKIM_SM_CLEANUP	= 8,	/*  TM cleanup on ITN offline	*/
 	BFA_TSKIM_SM_CLEANUP_DONE = 9,	/*  TM abort completion	*/
+	BFA_TSKIM_SM_UTAG	= 10,	/*  TM completion unknown tag  */
 };
 
 /*
@@ -3036,7 +3037,7 @@ bfa_ioim_abort(struct bfa_ioim_s *ioim)
 static void
 bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 {
-	bfa_trc(tskim->bfa, event);
+	bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
 
 	switch (event) {
 	case BFA_TSKIM_SM_START:
@@ -3074,7 +3075,7 @@ bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 static void
 bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 {
-	bfa_trc(tskim->bfa, event);
+	bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
 
 	switch (event) {
 	case BFA_TSKIM_SM_DONE:
@@ -3110,7 +3111,7 @@ bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 static void
 bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 {
-	bfa_trc(tskim->bfa, event);
+	bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
 
 	switch (event) {
 	case BFA_TSKIM_SM_DONE:
@@ -3119,6 +3120,7 @@ bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 		 */
 		break;
 
+	case BFA_TSKIM_SM_UTAG:
 	case BFA_TSKIM_SM_CLEANUP_DONE:
 		bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
 		bfa_tskim_cleanup_ios(tskim);
@@ -3138,7 +3140,7 @@ bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 static void
 bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 {
-	bfa_trc(tskim->bfa, event);
+	bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
 
 	switch (event) {
 	case BFA_TSKIM_SM_IOS_DONE:
@@ -3170,7 +3172,7 @@ bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 static void
 bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 {
-	bfa_trc(tskim->bfa, event);
+	bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
 
 	switch (event) {
 	case BFA_TSKIM_SM_QRESUME:
@@ -3207,7 +3209,7 @@ static void
 bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
 		enum bfa_tskim_event event)
 {
-	bfa_trc(tskim->bfa, event);
+	bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
 
 	switch (event) {
 	case BFA_TSKIM_SM_DONE:
@@ -3238,7 +3240,7 @@ bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
 static void
 bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 {
-	bfa_trc(tskim->bfa, event);
+	bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
 
 	switch (event) {
 	case BFA_TSKIM_SM_HCB:
@@ -3560,6 +3562,8 @@ bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
 	if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) {
 		bfa_stats(tskim->itnim, tm_cleanup_comps);
 		bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE);
+	} else if (rsp->tsk_status == BFI_TSKIM_STS_UTAG) {
+		bfa_sm_send_event(tskim, BFA_TSKIM_SM_UTAG);
 	} else {
 		bfa_stats(tskim->itnim, tm_fw_rsps);
 		bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE);
@@ -3699,6 +3703,7 @@ bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	struct bfa_mem_dma_s *seg_ptr;
 	u16	idx, nsegs, num_io_req;
 
+	fcp->max_ioim_reqs = cfg->fwcfg.num_ioim_reqs;
 	fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs;
 	fcp->num_fwtio_reqs  = cfg->fwcfg.num_fwtio_reqs;
 	fcp->num_itns   = cfg->fwcfg.num_rports;
@@ -3721,6 +3726,7 @@ bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 		bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa);
 	}
 
+	fcp->throttle_update_required = 1;
 	bfa_fcpim_attach(fcp, bfad, cfg, pcidev);
 
 	bfa_iotag_attach(fcp);
@@ -3759,23 +3765,33 @@ bfa_fcp_iocdisable(struct bfa_s *bfa)
 {
 	struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
 
-	/* Enqueue unused ioim resources to free_q */
-	list_splice_tail_init(&fcp->iotag_unused_q, &fcp->iotag_ioim_free_q);
-
 	bfa_fcpim_iocdisable(fcp);
 }
 
 void
-bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw)
+bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw)
 {
 	struct bfa_fcp_mod_s	*mod = BFA_FCP_MOD(bfa);
 	struct list_head	*qe;
 	int	i;
 
+	/* Update io throttle value only once during driver load time */
+	if (!mod->throttle_update_required)
+		return;
+
 	for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) {
 		bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe);
 		list_add_tail(qe, &mod->iotag_unused_q);
 	}
+
+	if (mod->num_ioim_reqs != num_ioim_fw) {
+		bfa_trc(bfa, mod->num_ioim_reqs);
+		bfa_trc(bfa, num_ioim_fw);
+	}
+
+	mod->max_ioim_reqs = max_ioim_fw;
+	mod->num_ioim_reqs = num_ioim_fw;
+	mod->throttle_update_required = 0;
 }
 
 void
@@ -3833,3 +3849,88 @@ bfa_iotag_attach(struct bfa_fcp_mod_s *fcp)
 
 	bfa_mem_kva_curp(fcp) = (u8 *) iotag;
 }
+
+
+/**
+ * To send config req, first try to use throttle value from flash
+ * If 0, then use driver parameter
+ * We need to use min(flash_val, drv_val) because
+ * memory allocation was done based on this cfg'd value
+ */
+u16
+bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param)
+{
+	u16 tmp;
+	struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
+
+	/*
+	 * If throttle value from flash is already in effect after driver is
+	 * loaded then until next load, always return current value instead
+	 * of actual flash value
+	 */
+	if (!fcp->throttle_update_required)
+		return (u16)fcp->num_ioim_reqs;
+
+	tmp = bfa_dconf_read_data_valid(bfa) ? bfa_fcpim_read_throttle(bfa) : 0;
+	if (!tmp || (tmp > drv_cfg_param))
+		tmp = drv_cfg_param;
+
+	return tmp;
+}
+
+bfa_status_t
+bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value)
+{
+	if (!bfa_dconf_get_min_cfg(bfa)) {
+		BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.value = value;
+		BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.is_valid = 1;
+		return BFA_STATUS_OK;
+	}
+
+	return BFA_STATUS_FAILED;
+}
+
+u16
+bfa_fcpim_read_throttle(struct bfa_s *bfa)
+{
+	struct bfa_throttle_cfg_s *throttle_cfg =
+			&(BFA_DCONF_MOD(bfa)->dconf->throttle_cfg);
+
+	return ((!bfa_dconf_get_min_cfg(bfa)) ?
+	       ((throttle_cfg->is_valid == 1) ? (throttle_cfg->value) : 0) : 0);
+}
+
+bfa_status_t
+bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value)
+{
+	/* in min cfg no commands should run. */
+	if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) ||
+	    (!bfa_dconf_read_data_valid(bfa)))
+		return BFA_STATUS_FAILED;
+
+	bfa_fcpim_write_throttle(bfa, value);
+
+	return bfa_dconf_update(bfa);
+}
+
+bfa_status_t
+bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf)
+{
+	struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
+	struct bfa_defs_fcpim_throttle_s throttle;
+
+	if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) ||
+	    (!bfa_dconf_read_data_valid(bfa)))
+		return BFA_STATUS_FAILED;
+
+	memset(&throttle, 0, sizeof(struct bfa_defs_fcpim_throttle_s));
+
+	throttle.cur_value = (u16)(fcpim->fcp->num_ioim_reqs);
+	throttle.cfg_value = bfa_fcpim_read_throttle(bfa);
+	if (!throttle.cfg_value)
+		throttle.cfg_value = throttle.cur_value;
+	throttle.max_value = (u16)(fcpim->fcp->max_ioim_reqs);
+	memcpy(buf, &throttle, sizeof(struct bfa_defs_fcpim_throttle_s));
+
+	return BFA_STATUS_OK;
+}
diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h
index 36f26da80f7..e693af6e593 100644
--- a/drivers/scsi/bfa/bfa_fcpim.h
+++ b/drivers/scsi/bfa/bfa_fcpim.h
@@ -42,7 +42,7 @@ void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
 		void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m));
 void bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m);
 void bfa_iotag_attach(struct bfa_fcp_mod_s *fcp);
-void bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw);
+void bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw);
 
 #define BFA_FCP_MOD(_hal)	(&(_hal)->modules.fcp_mod)
 #define BFA_MEM_FCP_KVA(__bfa)	(&(BFA_FCP_MOD(__bfa)->kva_seg))
@@ -51,7 +51,9 @@ void bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw);
 #define BFA_ITN_FROM_TAG(_fcp, _tag)	\
 	((_fcp)->itn_arr + ((_tag) & ((_fcp)->num_itns - 1)))
 #define BFA_SNSINFO_FROM_TAG(_fcp, _tag) \
-	bfa_mem_get_dmabuf_kva(_fcp, _tag, BFI_IOIM_SNSLEN)
+	bfa_mem_get_dmabuf_kva(_fcp, (_tag & BFA_IOIM_IOTAG_MASK),	\
+	BFI_IOIM_SNSLEN)
+
 
 #define BFA_ITNIM_MIN   32
 #define BFA_ITNIM_MAX   1024
@@ -148,6 +150,7 @@ struct bfa_fcp_mod_s {
 	struct list_head	iotag_unused_q;	/* unused IO resources*/
 	struct bfa_iotag_s	*iotag_arr;
 	struct bfa_itn_s	*itn_arr;
+	int			max_ioim_reqs;
 	int			num_ioim_reqs;
 	int			num_fwtio_reqs;
 	int			num_itns;
@@ -155,6 +158,7 @@ struct bfa_fcp_mod_s {
 	struct bfa_fcpim_s	fcpim;
 	struct bfa_mem_dma_s	dma_seg[BFA_FCP_DMA_SEGS];
 	struct bfa_mem_kva_s	kva_seg;
+	int			throttle_update_required;
 };
 
 /*
@@ -416,5 +420,10 @@ bfa_status_t	bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id,
 bfa_status_t	bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id,
 				wwn_t *pwwn, wwn_t rpwwn, struct scsi_lun lun);
 bfa_status_t	bfa_fcpim_lunmask_clear(struct bfa_s *bfa);
+u16		bfa_fcpim_read_throttle(struct bfa_s *bfa);
+bfa_status_t	bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value);
+bfa_status_t	bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value);
+bfa_status_t	bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf);
+u16     bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param);
 
 #endif /* __BFA_FCPIM_H__ */
diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c
index fd3e84d32bd..d428808fb37 100644
--- a/drivers/scsi/bfa/bfa_fcs.c
+++ b/drivers/scsi/bfa/bfa_fcs.c
@@ -303,16 +303,30 @@ static void
 bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
 			  enum bfa_fcs_fabric_event event)
 {
+	struct bfa_s	*bfa = fabric->fcs->bfa;
+
 	bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
 	bfa_trc(fabric->fcs, event);
 
 	switch (event) {
 	case BFA_FCS_FABRIC_SM_START:
-		if (bfa_fcport_is_linkup(fabric->fcs->bfa)) {
+		if (!bfa_fcport_is_linkup(fabric->fcs->bfa)) {
+			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
+			break;
+		}
+		if (bfa_fcport_get_topology(bfa) ==
+				BFA_PORT_TOPOLOGY_LOOP) {
+			fabric->fab_type = BFA_FCS_FABRIC_LOOP;
+			fabric->bport.pid = bfa_fcport_get_myalpa(bfa);
+			fabric->bport.pid = bfa_hton3b(fabric->bport.pid);
+			bfa_sm_set_state(fabric,
+					bfa_fcs_fabric_sm_online);
+			bfa_fcs_fabric_set_opertype(fabric);
+			bfa_fcs_lport_online(&fabric->bport);
+		} else {
 			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
 			bfa_fcs_fabric_login(fabric);
-		} else
-			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
+		}
 		break;
 
 	case BFA_FCS_FABRIC_SM_LINK_UP:
@@ -337,16 +351,28 @@ static void
 bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric,
 			   enum bfa_fcs_fabric_event event)
 {
+	struct bfa_s	*bfa = fabric->fcs->bfa;
+
 	bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
 	bfa_trc(fabric->fcs, event);
 
 	switch (event) {
 	case BFA_FCS_FABRIC_SM_LINK_UP:
-		bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
-		bfa_fcs_fabric_login(fabric);
+		if (bfa_fcport_get_topology(bfa) != BFA_PORT_TOPOLOGY_LOOP) {
+			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
+			bfa_fcs_fabric_login(fabric);
+			break;
+		}
+		fabric->fab_type = BFA_FCS_FABRIC_LOOP;
+		fabric->bport.pid = bfa_fcport_get_myalpa(bfa);
+		fabric->bport.pid = bfa_hton3b(fabric->bport.pid);
+		bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online);
+		bfa_fcs_fabric_set_opertype(fabric);
+		bfa_fcs_lport_online(&fabric->bport);
 		break;
 
 	case BFA_FCS_FABRIC_SM_RETRY_OP:
+	case BFA_FCS_FABRIC_SM_LOOPBACK:
 		break;
 
 	case BFA_FCS_FABRIC_SM_DELETE:
@@ -595,14 +621,20 @@ void
 bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric,
 			 enum bfa_fcs_fabric_event event)
 {
+	struct bfa_s	*bfa = fabric->fcs->bfa;
+
 	bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
 	bfa_trc(fabric->fcs, event);
 
 	switch (event) {
 	case BFA_FCS_FABRIC_SM_LINK_DOWN:
 		bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
-		bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
-		bfa_fcs_fabric_notify_offline(fabric);
+		if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) {
+			bfa_fcs_lport_offline(&fabric->bport);
+		} else {
+			bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
+			bfa_fcs_fabric_notify_offline(fabric);
+		}
 		break;
 
 	case BFA_FCS_FABRIC_SM_DELETE:
@@ -719,20 +751,29 @@ static void
 bfa_fcs_fabric_sm_stopping(struct bfa_fcs_fabric_s *fabric,
 			   enum bfa_fcs_fabric_event event)
 {
+	struct bfa_s	*bfa = fabric->fcs->bfa;
+
 	bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
 	bfa_trc(fabric->fcs, event);
 
 	switch (event) {
 	case BFA_FCS_FABRIC_SM_STOPCOMP:
-		bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup);
-		bfa_sm_send_event(fabric->lps, BFA_LPS_SM_LOGOUT);
+		if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) {
+			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
+		} else {
+			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup);
+			bfa_sm_send_event(fabric->lps, BFA_LPS_SM_LOGOUT);
+		}
 		break;
 
 	case BFA_FCS_FABRIC_SM_LINK_UP:
 		break;
 
 	case BFA_FCS_FABRIC_SM_LINK_DOWN:
-		bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup);
+		if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)
+			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
+		else
+			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup);
 		break;
 
 	default:
@@ -975,9 +1016,6 @@ bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric)
 	struct bfa_lport_cfg_s	*pcfg = &fabric->bport.port_cfg;
 	u8			alpa = 0, bb_scn = 0;
 
-	if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)
-		alpa = bfa_fcport_get_myalpa(bfa);
-
 	if (bfa_fcs_fabric_is_bbscn_enabled(fabric) &&
 	    (!fabric->fcs->bbscn_flogi_rjt))
 		bb_scn = BFA_FCS_PORT_DEF_BB_SCN;
diff --git a/drivers/scsi/bfa/bfa_fcs.h b/drivers/scsi/bfa/bfa_fcs.h
index 6c4377cb287..a449706c6bc 100644
--- a/drivers/scsi/bfa/bfa_fcs.h
+++ b/drivers/scsi/bfa/bfa_fcs.h
@@ -118,9 +118,9 @@ struct bfa_fcs_lport_fab_s {
 #define	MAX_ALPA_COUNT	127
 
 struct bfa_fcs_lport_loop_s {
-	u8         num_alpa;	/*  Num of ALPA entries in the map */
-	u8         alpa_pos_map[MAX_ALPA_COUNT];	/*  ALPA Positional
-							 *Map */
+	u8	num_alpa;	/*  Num of ALPA entries in the map */
+	u8	alpabm_valid;	/* alpa bitmap valid or not (1 or 0) */
+	u8	alpa_pos_map[MAX_ALPA_COUNT]; /*  ALPA Positional Map */
 	struct bfa_fcs_lport_s *port;	/*  parent port */
 };
 
@@ -175,6 +175,7 @@ enum bfa_fcs_fabric_type {
 	BFA_FCS_FABRIC_UNKNOWN = 0,
 	BFA_FCS_FABRIC_SWITCHED = 1,
 	BFA_FCS_FABRIC_N2N = 2,
+	BFA_FCS_FABRIC_LOOP = 3,
 };
 
 
@@ -350,9 +351,10 @@ void		bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg,
 				struct bfa_fcxp_s *fcxp_alloced);
 void            bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport);
 void            bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport);
-void            bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *vport);
+void            bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport);
 void            bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
 					      struct fchs_s *rx_frame, u32 len);
+void		bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port);
 
 struct bfa_fcs_vport_s {
 	struct list_head		qe;		/*  queue elem	*/
@@ -453,6 +455,7 @@ struct bfa_fcs_rport_s {
 	struct bfa_rport_stats_s stats;	/*  rport stats */
 	enum bfa_rport_function	scsi_function;  /*  Initiator/Target */
 	struct bfa_fcs_rpf_s rpf;	/* Rport features module */
+	bfa_boolean_t   scn_online;	/* SCN online flag */
 };
 
 static inline struct bfa_rport_s *
@@ -639,9 +642,9 @@ struct bfa_fcs_fdmi_hba_attr_s {
 	u8         model[16];
 	u8         model_desc[256];
 	u8         hw_version[8];
-	u8         driver_version[8];
+	u8         driver_version[BFA_VERSION_LEN];
 	u8         option_rom_ver[BFA_VERSION_LEN];
-	u8         fw_version[8];
+	u8         fw_version[BFA_VERSION_LEN];
 	u8         os_name[256];
 	__be32        max_ct_pyld;
 };
@@ -733,7 +736,7 @@ enum rport_event {
 	RPSM_EVENT_LOGO_IMP     = 5,    /*  implicit logo for SLER      */
 	RPSM_EVENT_FCXP_SENT    = 6,    /*  Frame from has been sent    */
 	RPSM_EVENT_DELETE       = 7,    /*  RPORT delete request        */
-	RPSM_EVENT_SCN          = 8,    /*  state change notification   */
+	RPSM_EVENT_FAB_SCN	= 8,    /*  state change notification   */
 	RPSM_EVENT_ACCEPTED     = 9,    /*  Good response from remote device */
 	RPSM_EVENT_FAILED       = 10,   /*  Request to rport failed.    */
 	RPSM_EVENT_TIMEOUT      = 11,   /*  Rport SM timeout event      */
@@ -744,7 +747,9 @@ enum rport_event {
 	RPSM_EVENT_ADDRESS_DISC = 16,   /*  Need to Discover rport's PID */
 	RPSM_EVENT_PRLO_RCVD   = 17,    /*  PRLO from remote device     */
 	RPSM_EVENT_PLOGI_RETRY = 18,    /*  Retry PLOGI continuously */
-	RPSM_EVENT_FC4_FCS_ONLINE = 19, /*!< FC-4 FCS online complete */
+	RPSM_EVENT_SCN_OFFLINE = 19,	/* loop scn offline		*/
+	RPSM_EVENT_SCN_ONLINE   = 20,	/* loop scn online		*/
+	RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */
 };
 
 /*
@@ -763,7 +768,7 @@ enum bfa_fcs_itnim_event {
 	BFA_FCS_ITNIM_SM_DELETE = 10,   /*  delete event from rport */
 	BFA_FCS_ITNIM_SM_PRLO = 11,     /*  delete event from rport */
 	BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */
-	BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /*!< bfa rport online event */
+	BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */
 };
 
 /*
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 3b75f6fb2de..1224d0462a4 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -23,6 +23,34 @@
 
 BFA_TRC_FILE(FCS, PORT);
 
+/*
+ * ALPA to LIXA bitmap mapping
+ *
+ * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
+ * is for L_bit (login required) and is filled as ALPA 0x00 here.
+ */
+static const u8 loop_alpa_map[] = {
+	0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
+	0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
+	0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
+	0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
+
+	0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
+	0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
+	0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
+	0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
+
+	0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
+	0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
+	0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
+	0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
+
+	0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
+	0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
+	0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
+	0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
+};
+
 static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
 					 struct fchs_s *rx_fchs, u8 reason_code,
 					 u8 reason_code_expl);
@@ -51,6 +79,10 @@ static void	bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
 static void	bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
 static void	bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
 
+static void	bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
+static void	bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
+static void	bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
+
 static struct {
 	void		(*init) (struct bfa_fcs_lport_s *port);
 	void		(*online) (struct bfa_fcs_lport_s *port);
@@ -62,7 +94,9 @@ static struct {
 	bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
 			bfa_fcs_lport_fab_offline}, {
 	bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
-			bfa_fcs_lport_n2n_offline},
+			bfa_fcs_lport_n2n_offline}, {
+	bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
+			bfa_fcs_lport_loop_offline},
 	};
 
 /*
@@ -1127,7 +1161,7 @@ static void
 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
 {
 	bfa_fcs_lport_ns_online(port);
-	bfa_fcs_lport_scn_online(port);
+	bfa_fcs_lport_fab_scn_online(port);
 }
 
 /*
@@ -1221,6 +1255,98 @@ bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
 	n2n_port->reply_oxid = 0;
 }
 
+void
+bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
+{
+	int i = 0, j = 0, bit = 0, alpa_bit = 0;
+	u8 k = 0;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
+
+	port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
+	port->pid = fcport->myalpa;
+	port->pid = bfa_hton3b(port->pid);
+
+	for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
+		for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
+			bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
+			bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
+			if (bit) {
+				port->port_topo.ploop.alpa_pos_map[k] =
+					loop_alpa_map[(i * 8) + alpa_bit];
+				k++;
+				bfa_trc(port->fcs->bfa, k);
+				bfa_trc(port->fcs->bfa,
+					 port->port_topo.ploop.alpa_pos_map[k]);
+			}
+		}
+	}
+	port->port_topo.ploop.num_alpa = k;
+}
+
+/*
+ * Called by fcs/port to initialize Loop topology.
+ */
+static void
+bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
+{
+}
+
+/*
+ * Called by fcs/port to notify transition to online state.
+ */
+static void
+bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
+{
+	u8 num_alpa = 0, alpabm_valid = 0;
+	struct bfa_fcs_rport_s *rport;
+	u8 *alpa_map = NULL;
+	int i = 0;
+	u32 pid;
+
+	bfa_fcport_get_loop_attr(port);
+
+	num_alpa = port->port_topo.ploop.num_alpa;
+	alpabm_valid = port->port_topo.ploop.alpabm_valid;
+	alpa_map = port->port_topo.ploop.alpa_pos_map;
+
+	bfa_trc(port->fcs->bfa, port->pid);
+	bfa_trc(port->fcs->bfa, num_alpa);
+	if (alpabm_valid == 1) {
+		for (i = 0; i < num_alpa; i++) {
+			bfa_trc(port->fcs->bfa, alpa_map[i]);
+			if (alpa_map[i] != bfa_hton3b(port->pid)) {
+				pid = alpa_map[i];
+				bfa_trc(port->fcs->bfa, pid);
+				rport = bfa_fcs_lport_get_rport_by_pid(port,
+						bfa_hton3b(pid));
+				if (!rport)
+					rport = bfa_fcs_rport_create(port,
+						bfa_hton3b(pid));
+			}
+		}
+	} else {
+		for (i = 0; i < MAX_ALPA_COUNT; i++) {
+			if (alpa_map[i] != port->pid) {
+				pid = loop_alpa_map[i];
+				bfa_trc(port->fcs->bfa, pid);
+				rport = bfa_fcs_lport_get_rport_by_pid(port,
+						bfa_hton3b(pid));
+				if (!rport)
+					rport = bfa_fcs_rport_create(port,
+						bfa_hton3b(pid));
+			}
+		}
+	}
+}
+
+/*
+ * Called by fcs/port to notify transition to offline state.
+ */
+static void
+bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
+{
+}
+
 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
 
 /*
@@ -1888,13 +2014,10 @@ bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
 					 sizeof(templen));
 	}
 
-	/*
-	 * f/w Version = driver version
-	 */
 	attr = (struct fdmi_attr_s *) curr_ptr;
 	attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
-	templen = (u16) strlen(fcs_hba_attr->driver_version);
-	memcpy(attr->value, fcs_hba_attr->driver_version, templen);
+	templen = (u16) strlen(fcs_hba_attr->fw_version);
+	memcpy(attr->value, fcs_hba_attr->fw_version, templen);
 	templen = fc_roundup(templen, sizeof(u32));
 	curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
 	len += templen;
@@ -2296,6 +2419,7 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
 {
 	struct bfa_fcs_lport_s *port = fdmi->ms->port;
 	struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
+	struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
 
 	memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
 
@@ -2331,7 +2455,9 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
 				sizeof(driver_info->host_os_patch));
 	}
 
-	hba_attr->max_ct_pyld = cpu_to_be32(FC_MAX_PDUSZ);
+	/* Retrieve the max frame size from the port attr */
+	bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
+	hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
 }
 
 static void
@@ -2391,7 +2517,7 @@ bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
 	/*
 	 * Max PDU Size.
 	 */
-	port_attr->max_frm_size = cpu_to_be32(FC_MAX_PDUSZ);
+	port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
 
 	/*
 	 * OS device Name
@@ -5199,7 +5325,7 @@ bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
 }
 
 void
-bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port)
+bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
 {
 	struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
 
@@ -5621,6 +5747,15 @@ bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
 }
 
 /*
+ * Let new loop map create missing rports
+ */
+void
+bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
+{
+	bfa_fcs_lport_loop_online(port);
+}
+
+/*
  * FCS virtual port state machine
  */
 
diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c
index cc43b2a58ce..58ac643ba9f 100644
--- a/drivers/scsi/bfa/bfa_fcs_rport.c
+++ b/drivers/scsi/bfa/bfa_fcs_rport.c
@@ -106,9 +106,13 @@ static void	bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
 						 enum rport_event event);
 static void	bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport,
 					 enum rport_event event);
-static void	bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
-						enum rport_event event);
-static void	bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport,
+static void	bfa_fcs_rport_sm_adisc_online_sending(
+			struct bfa_fcs_rport_s *rport, enum rport_event event);
+static void	bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
+					enum rport_event event);
+static void	bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s
+					*rport, enum rport_event event);
+static void	bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport,
 					enum rport_event event);
 static void	bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
 						enum rport_event event);
@@ -150,8 +154,10 @@ static struct bfa_sm_table_s rport_sm_table[] = {
 	{BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE},
 	{BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY},
 	{BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY},
-	{BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC},
-	{BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC},
+	{BFA_SM(bfa_fcs_rport_sm_adisc_online_sending), BFA_RPORT_ADISC},
+	{BFA_SM(bfa_fcs_rport_sm_adisc_online), BFA_RPORT_ADISC},
+	{BFA_SM(bfa_fcs_rport_sm_adisc_offline_sending), BFA_RPORT_ADISC},
+	{BFA_SM(bfa_fcs_rport_sm_adisc_offline), BFA_RPORT_ADISC},
 	{BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV},
 	{BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO},
 	{BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE},
@@ -231,10 +237,19 @@ bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_send_plogiacc(rport, NULL);
 		break;
 
+	case RPSM_EVENT_SCN_OFFLINE:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
+		bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
+		bfa_timer_start(rport->fcs->bfa, &rport->timer,
+				bfa_fcs_rport_timeout, rport,
+				bfa_fcs_rport_del_timeout);
+		break;
 	case RPSM_EVENT_ADDRESS_CHANGE:
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		/* query the NS */
 		bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
+		WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
+					BFA_PORT_TOPOLOGY_LOOP));
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 		rport->ns_retries = 0;
 		bfa_fcs_rport_send_nsdisc(rport, NULL);
@@ -280,12 +295,20 @@ bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
 
 	case RPSM_EVENT_PLOGI_RCVD:
 	case RPSM_EVENT_PLOGI_COMP:
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		/*
 		 * Ignore, SCN is possibly online notification.
 		 */
 		break;
 
+	case RPSM_EVENT_SCN_OFFLINE:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
+		bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
+		bfa_timer_start(rport->fcs->bfa, &rport->timer,
+				bfa_fcs_rport_timeout, rport,
+				bfa_fcs_rport_del_timeout);
+		break;
+
 	case RPSM_EVENT_ADDRESS_CHANGE:
 		bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
@@ -346,9 +369,19 @@ bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_send_plogiacc(rport, NULL);
 		break;
 
+	case RPSM_EVENT_SCN_OFFLINE:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
+		bfa_timer_stop(&rport->timer);
+		bfa_timer_start(rport->fcs->bfa, &rport->timer,
+				bfa_fcs_rport_timeout, rport,
+				bfa_fcs_rport_del_timeout);
+		break;
+
 	case RPSM_EVENT_ADDRESS_CHANGE:
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		bfa_timer_stop(&rport->timer);
+		WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
+					BFA_PORT_TOPOLOGY_LOOP));
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 		rport->ns_retries = 0;
 		bfa_fcs_rport_send_nsdisc(rport, NULL);
@@ -422,7 +455,18 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		}
 		break;
 
-	case	RPSM_EVENT_PLOGI_RETRY:
+	case RPSM_EVENT_SCN_ONLINE:
+		break;
+
+	case RPSM_EVENT_SCN_OFFLINE:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
+		bfa_fcxp_discard(rport->fcxp);
+		bfa_timer_start(rport->fcs->bfa, &rport->timer,
+				bfa_fcs_rport_timeout, rport,
+				bfa_fcs_rport_del_timeout);
+		break;
+
+	case RPSM_EVENT_PLOGI_RETRY:
 		rport->plogi_retries = 0;
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry);
 		bfa_timer_start(rport->fcs->bfa, &rport->timer,
@@ -440,8 +484,10 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		break;
 
 	case RPSM_EVENT_ADDRESS_CHANGE:
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		bfa_fcxp_discard(rport->fcxp);
+		WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
+					BFA_PORT_TOPOLOGY_LOOP));
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 		rport->ns_retries = 0;
 		bfa_fcs_rport_send_nsdisc(rport, NULL);
@@ -512,7 +558,8 @@ bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport,
 	case RPSM_EVENT_PLOGI_COMP:
 	case RPSM_EVENT_LOGO_IMP:
 	case RPSM_EVENT_ADDRESS_CHANGE:
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
+	case RPSM_EVENT_SCN_OFFLINE:
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 		bfa_fcs_rport_fcs_offline_action(rport);
 		break;
@@ -561,9 +608,10 @@ bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_fcs_offline_action(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 	case RPSM_EVENT_LOGO_IMP:
 	case RPSM_EVENT_ADDRESS_CHANGE:
+	case RPSM_EVENT_SCN_OFFLINE:
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 		bfa_fcs_rport_fcs_offline_action(rport);
 		break;
@@ -595,14 +643,15 @@ bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
 	bfa_trc(rport->fcs, event);
 
 	switch (event) {
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
 			bfa_sm_set_state(rport,
 					 bfa_fcs_rport_sm_nsquery_sending);
 			rport->ns_retries = 0;
 			bfa_fcs_rport_send_nsdisc(rport, NULL);
 		} else {
-			bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending);
+			bfa_sm_set_state(rport,
+				bfa_fcs_rport_sm_adisc_online_sending);
 			bfa_fcs_rport_send_adisc(rport, NULL);
 		}
 		break;
@@ -610,6 +659,7 @@ bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
 	case RPSM_EVENT_PLOGI_RCVD:
 	case RPSM_EVENT_LOGO_IMP:
 	case RPSM_EVENT_ADDRESS_CHANGE:
+	case RPSM_EVENT_SCN_OFFLINE:
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 		bfa_fcs_rport_hal_offline_action(rport);
 		break;
@@ -625,6 +675,7 @@ bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		bfa_fcs_rport_hal_offline_action(rport);
 		break;
 
+	case RPSM_EVENT_SCN_ONLINE:
 	case RPSM_EVENT_PLOGI_COMP:
 		break;
 
@@ -656,7 +707,7 @@ bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_hal_offline_action(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		/*
 		 * ignore SCN, wait for response to query itself
 		 */
@@ -696,7 +747,7 @@ bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
 
 	switch (event) {
 	case RPSM_EVENT_ACCEPTED:
-		bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending);
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online_sending);
 		bfa_fcs_rport_send_adisc(rport, NULL);
 		break;
 
@@ -718,7 +769,7 @@ bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		bfa_fcs_rport_hal_offline_action(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		break;
 
 	case RPSM_EVENT_LOGO_RCVD:
@@ -747,7 +798,7 @@ bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
  *	authenticating with rport. FC-4s are paused.
  */
 static void
-bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
+bfa_fcs_rport_sm_adisc_online_sending(struct bfa_fcs_rport_s *rport,
 	 enum rport_event event)
 {
 	bfa_trc(rport->fcs, rport->pwwn);
@@ -756,7 +807,7 @@ bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
 
 	switch (event) {
 	case RPSM_EVENT_FCXP_SENT:
-		bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc);
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online);
 		break;
 
 	case RPSM_EVENT_DELETE:
@@ -779,7 +830,7 @@ bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_hal_offline_action(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		break;
 
 	case RPSM_EVENT_PLOGI_RCVD:
@@ -798,7 +849,8 @@ bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
  *		FC-4s are paused.
  */
 static void
-bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event)
+bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
+				enum rport_event event)
 {
 	bfa_trc(rport->fcs, rport->pwwn);
 	bfa_trc(rport->fcs, rport->pid);
@@ -831,7 +883,7 @@ bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		bfa_fcs_rport_hal_offline_action(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		/*
 		 * already processing RSCN
 		 */
@@ -856,7 +908,96 @@ bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event)
 }
 
 /*
- *		Rport has sent LOGO. Awaiting FC-4 offline completion callback.
+ * ADISC is being sent for authenticating with rport
+ * Already did offline actions.
+ */
+static void
+bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport,
+	enum rport_event event)
+{
+	bfa_trc(rport->fcs, rport->pwwn);
+	bfa_trc(rport->fcs, rport->pid);
+	bfa_trc(rport->fcs, event);
+
+	switch (event) {
+	case RPSM_EVENT_FCXP_SENT:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_offline);
+		break;
+
+	case RPSM_EVENT_DELETE:
+	case RPSM_EVENT_SCN_OFFLINE:
+	case RPSM_EVENT_LOGO_IMP:
+	case RPSM_EVENT_LOGO_RCVD:
+	case RPSM_EVENT_PRLO_RCVD:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
+		bfa_fcxp_walloc_cancel(rport->fcs->bfa,
+			&rport->fcxp_wqe);
+		bfa_timer_start(rport->fcs->bfa, &rport->timer,
+			bfa_fcs_rport_timeout, rport,
+			bfa_fcs_rport_del_timeout);
+		break;
+
+	case RPSM_EVENT_PLOGI_RCVD:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
+		bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
+		bfa_fcs_rport_send_plogiacc(rport, NULL);
+		break;
+
+	default:
+		bfa_sm_fault(rport->fcs, event);
+	}
+}
+
+/*
+ * ADISC to rport
+ * Already did offline actions
+ */
+static void
+bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport,
+			enum rport_event event)
+{
+	bfa_trc(rport->fcs, rport->pwwn);
+	bfa_trc(rport->fcs, rport->pid);
+	bfa_trc(rport->fcs, event);
+
+	switch (event) {
+	case RPSM_EVENT_ACCEPTED:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
+		bfa_fcs_rport_hal_online(rport);
+		break;
+
+	case RPSM_EVENT_PLOGI_RCVD:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
+		bfa_fcxp_discard(rport->fcxp);
+		bfa_fcs_rport_send_plogiacc(rport, NULL);
+		break;
+
+	case RPSM_EVENT_FAILED:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
+		bfa_timer_start(rport->fcs->bfa, &rport->timer,
+			bfa_fcs_rport_timeout, rport,
+			bfa_fcs_rport_del_timeout);
+		break;
+
+	case RPSM_EVENT_DELETE:
+	case RPSM_EVENT_SCN_OFFLINE:
+	case RPSM_EVENT_LOGO_IMP:
+	case RPSM_EVENT_LOGO_RCVD:
+	case RPSM_EVENT_PRLO_RCVD:
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
+		bfa_fcxp_discard(rport->fcxp);
+		bfa_timer_start(rport->fcs->bfa, &rport->timer,
+			bfa_fcs_rport_timeout, rport,
+			bfa_fcs_rport_del_timeout);
+		break;
+
+	default:
+		bfa_sm_fault(rport->fcs, event);
+	}
+}
+
+/*
+ * Rport has sent LOGO. Awaiting FC-4 offline completion callback.
  */
 static void
 bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
@@ -881,6 +1022,8 @@ bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete);
 		break;
 
+	case RPSM_EVENT_SCN_ONLINE:
+	case RPSM_EVENT_SCN_OFFLINE:
 	case RPSM_EVENT_HCB_ONLINE:
 	case RPSM_EVENT_LOGO_RCVD:
 	case RPSM_EVENT_PRLO_RCVD:
@@ -945,6 +1088,8 @@ bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_hal_offline(rport);
 		break;
 
+	case RPSM_EVENT_SCN_ONLINE:
+		break;
 	case RPSM_EVENT_LOGO_RCVD:
 		/*
 		 * Rport is going offline. Just ack the logo
@@ -956,8 +1101,9 @@ bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_send_prlo_acc(rport);
 		break;
 
+	case RPSM_EVENT_SCN_OFFLINE:
 	case RPSM_EVENT_HCB_ONLINE:
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 	case RPSM_EVENT_LOGO_IMP:
 	case RPSM_EVENT_ADDRESS_CHANGE:
 		/*
@@ -1015,6 +1161,19 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
 				bfa_fcs_rport_sm_nsdisc_sending);
 			rport->ns_retries = 0;
 			bfa_fcs_rport_send_nsdisc(rport, NULL);
+		} else if (bfa_fcport_get_topology(rport->port->fcs->bfa) ==
+					BFA_PORT_TOPOLOGY_LOOP) {
+			if (rport->scn_online) {
+				bfa_sm_set_state(rport,
+					bfa_fcs_rport_sm_adisc_offline_sending);
+				bfa_fcs_rport_send_adisc(rport, NULL);
+			} else {
+				bfa_sm_set_state(rport,
+					bfa_fcs_rport_sm_offline);
+				bfa_timer_start(rport->fcs->bfa, &rport->timer,
+					bfa_fcs_rport_timeout, rport,
+					bfa_fcs_rport_del_timeout);
+			}
 		} else {
 			bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
 			rport->plogi_retries = 0;
@@ -1027,7 +1186,9 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_free(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_SCN_ONLINE:
+	case RPSM_EVENT_SCN_OFFLINE:
+	case RPSM_EVENT_FAB_SCN:
 	case RPSM_EVENT_LOGO_RCVD:
 	case RPSM_EVENT_PRLO_RCVD:
 	case RPSM_EVENT_PLOGI_RCVD:
@@ -1106,6 +1267,8 @@ bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
 		break;
 
+	case RPSM_EVENT_SCN_ONLINE:
+	case RPSM_EVENT_SCN_OFFLINE:
 	case RPSM_EVENT_LOGO_RCVD:
 	case RPSM_EVENT_PRLO_RCVD:
 		/*
@@ -1146,6 +1309,8 @@ bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
 		break;
 
+	case RPSM_EVENT_SCN_ONLINE:
+	case RPSM_EVENT_SCN_OFFLINE:
 	case RPSM_EVENT_ADDRESS_CHANGE:
 		break;
 
@@ -1172,7 +1337,9 @@ bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_free(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_SCN_ONLINE:
+	case RPSM_EVENT_SCN_OFFLINE:
+	case RPSM_EVENT_FAB_SCN:
 	case RPSM_EVENT_ADDRESS_CHANGE:
 		break;
 
@@ -1209,10 +1376,12 @@ bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		bfa_fcs_rport_free(rport);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 	case RPSM_EVENT_ADDRESS_CHANGE:
-		bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 		bfa_timer_stop(&rport->timer);
+		WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
+					BFA_PORT_TOPOLOGY_LOOP));
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 		rport->ns_retries = 0;
 		bfa_fcs_rport_send_nsdisc(rport, NULL);
 		break;
@@ -1232,6 +1401,7 @@ bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
 	case RPSM_EVENT_LOGO_RCVD:
 	case RPSM_EVENT_PRLO_RCVD:
 	case RPSM_EVENT_LOGO_IMP:
+	case RPSM_EVENT_SCN_OFFLINE:
 		break;
 
 	case RPSM_EVENT_PLOGI_COMP:
@@ -1240,6 +1410,12 @@ bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		bfa_fcs_rport_fcs_online_action(rport);
 		break;
 
+	case RPSM_EVENT_SCN_ONLINE:
+		bfa_timer_stop(&rport->timer);
+		bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
+		bfa_fcs_rport_send_plogi(rport, NULL);
+		break;
+
 	case RPSM_EVENT_PLOGI_SEND:
 		bfa_timer_stop(&rport->timer);
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
@@ -1280,7 +1456,7 @@ bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_send_plogiacc(rport, NULL);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 	case RPSM_EVENT_LOGO_RCVD:
 	case RPSM_EVENT_PRLO_RCVD:
 	case RPSM_EVENT_PLOGI_SEND:
@@ -1326,7 +1502,7 @@ bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
 		bfa_fcs_rport_send_nsdisc(rport, NULL);
 		break;
 
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 	case RPSM_EVENT_ADDRESS_CHANGE:
 		bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 		bfa_timer_stop(&rport->timer);
@@ -1439,7 +1615,7 @@ bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
 	case RPSM_EVENT_PRLO_RCVD:
 		bfa_fcs_rport_send_prlo_acc(rport);
 		break;
-	case RPSM_EVENT_SCN:
+	case RPSM_EVENT_FAB_SCN:
 		/*
 		 * ignore, wait for NS query response
 		 */
@@ -2546,7 +2722,7 @@ void
 bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport)
 {
 	rport->stats.rscns++;
-	bfa_sm_send_event(rport, RPSM_EVENT_SCN);
+	bfa_sm_send_event(rport, RPSM_EVENT_FAB_SCN);
 }
 
 /*
@@ -2621,6 +2797,48 @@ bfa_cb_rport_qos_scn_flowid(void *cbarg,
 	bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data);
 }
 
+void
+bfa_cb_rport_scn_online(struct bfa_s *bfa)
+{
+	struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs;
+	struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs);
+	struct bfa_fcs_rport_s *rp;
+	struct list_head *qe;
+
+	list_for_each(qe, &port->rport_q) {
+		rp = (struct bfa_fcs_rport_s *) qe;
+		bfa_sm_send_event(rp, RPSM_EVENT_SCN_ONLINE);
+		rp->scn_online = BFA_TRUE;
+	}
+
+	if (bfa_fcs_lport_is_online(port))
+		bfa_fcs_lport_lip_scn_online(port);
+}
+
+void
+bfa_cb_rport_scn_no_dev(void *rport)
+{
+	struct bfa_fcs_rport_s *rp = rport;
+
+	bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE);
+	rp->scn_online = BFA_FALSE;
+}
+
+void
+bfa_cb_rport_scn_offline(struct bfa_s *bfa)
+{
+	struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs;
+	struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs);
+	struct bfa_fcs_rport_s *rp;
+	struct list_head *qe;
+
+	list_for_each(qe, &port->rport_q) {
+		rp = (struct bfa_fcs_rport_s *) qe;
+		bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE);
+		rp->scn_online = BFA_FALSE;
+	}
+}
+
 /*
  *	brief
  *	This routine is a static BFA callback when there is a QoS priority
@@ -2808,6 +3026,9 @@ bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
 	struct bfa_rport_qos_attr_s qos_attr;
 	struct bfa_fcs_lport_s *port = rport->port;
 	bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed;
+	struct bfa_port_attr_s port_attr;
+
+	bfa_fcport_get_attr(rport->fcs->bfa, &port_attr);
 
 	memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s));
 	memset(&qos_attr, 0, sizeof(struct bfa_rport_qos_attr_s));
@@ -2838,7 +3059,8 @@ bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
 			rport_speed =
 				bfa_fcport_get_ratelim_speed(rport->fcs->bfa);
 
-		if (rport_speed < bfa_fcs_lport_get_rport_max_speed(port))
+		if ((bfa_fcs_lport_get_rport_max_speed(port) !=
+		    BFA_PORT_SPEED_UNKNOWN) && (rport_speed < port_attr.speed))
 			rport_attr->trl_enforced = BFA_TRUE;
 	}
 }
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index 75ca8752b9f..0116c1032e2 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -731,8 +731,7 @@ bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf)
 	/*
 	 * Unlock the hw semaphore. Should be here only once per boot.
 	 */
-	readl(iocpf->ioc->ioc_regs.ioc_sem_reg);
-	writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg);
+	bfa_ioc_ownership_reset(iocpf->ioc);
 
 	/*
 	 * unlock init semaphore.
@@ -1751,6 +1750,7 @@ bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc)
 	attr->card_type     = be32_to_cpu(attr->card_type);
 	attr->maxfrsize	    = be16_to_cpu(attr->maxfrsize);
 	ioc->fcmode	= (attr->port_mode == BFI_PORT_MODE_FC);
+	attr->mfg_year	= be16_to_cpu(attr->mfg_year);
 
 	bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR);
 }
@@ -2497,6 +2497,9 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
 	ad_attr->cna_capable = bfa_ioc_is_cna(ioc);
 	ad_attr->trunk_capable = (ad_attr->nports > 1) &&
 				  !bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz;
+	ad_attr->mfg_day = ioc_attr->mfg_day;
+	ad_attr->mfg_month = ioc_attr->mfg_month;
+	ad_attr->mfg_year = ioc_attr->mfg_year;
 }
 
 enum bfa_ioc_type_e
@@ -2923,7 +2926,7 @@ bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc)
 		return;
 	}
 
-	if (ioc->iocpf.poll_time >= BFA_IOC_TOV)
+	if (ioc->iocpf.poll_time >= (3 * BFA_IOC_TOV))
 		bfa_iocpf_timeout(ioc);
 	else {
 		ioc->iocpf.poll_time += BFA_IOC_POLL_TOV;
@@ -3016,7 +3019,6 @@ bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg)
 	struct bfa_ablk_cfg_inst_s *cfg_inst;
 	int i, j;
 	u16	be16;
-	u32	be32;
 
 	for (i = 0; i < BFA_ABLK_MAX; i++) {
 		cfg_inst = &cfg->inst[i];
@@ -3027,8 +3029,10 @@ bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg)
 			cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16);
 			be16 = cfg_inst->pf_cfg[j].num_vectors;
 			cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16);
-			be32 = cfg_inst->pf_cfg[j].bw;
-			cfg_inst->pf_cfg[j].bw = be16_to_cpu(be32);
+			be16 = cfg_inst->pf_cfg[j].bw_min;
+			cfg_inst->pf_cfg[j].bw_min = be16_to_cpu(be16);
+			be16 = cfg_inst->pf_cfg[j].bw_max;
+			cfg_inst->pf_cfg[j].bw_max = be16_to_cpu(be16);
 		}
 	}
 }
@@ -3170,7 +3174,8 @@ bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg,
 
 bfa_status_t
 bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn,
-		u8 port, enum bfi_pcifn_class personality, int bw,
+		u8 port, enum bfi_pcifn_class personality,
+		u16 bw_min, u16 bw_max,
 		bfa_ablk_cbfn_t cbfn, void *cbarg)
 {
 	struct bfi_ablk_h2i_pf_req_s *m;
@@ -3194,7 +3199,8 @@ bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn,
 	bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE,
 		    bfa_ioc_portid(ablk->ioc));
 	m->pers = cpu_to_be16((u16)personality);
-	m->bw = cpu_to_be32(bw);
+	m->bw_min = cpu_to_be16(bw_min);
+	m->bw_max = cpu_to_be16(bw_max);
 	m->port = port;
 	bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
 
@@ -3294,8 +3300,8 @@ bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode,
 }
 
 bfa_status_t
-bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw,
-		bfa_ablk_cbfn_t cbfn, void *cbarg)
+bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, u16 bw_min,
+		   u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg)
 {
 	struct bfi_ablk_h2i_pf_req_s *m;
 
@@ -3317,7 +3323,8 @@ bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw,
 	bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE,
 		bfa_ioc_portid(ablk->ioc));
 	m->pcifn = (u8)pcifn;
-	m->bw = cpu_to_be32(bw);
+	m->bw_min = cpu_to_be16(bw_min);
+	m->bw_max = cpu_to_be16(bw_max);
 	bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
 
 	return BFA_STATUS_OK;
@@ -4680,22 +4687,25 @@ diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp)
 	diag->tsensor.temp->temp = be16_to_cpu(rsp->temp);
 	diag->tsensor.temp->ts_junc = rsp->ts_junc;
 	diag->tsensor.temp->ts_brd = rsp->ts_brd;
-	diag->tsensor.temp->status = BFA_STATUS_OK;
 
 	if (rsp->ts_brd) {
+		/* tsensor.temp->status is brd_temp status */
+		diag->tsensor.temp->status = rsp->status;
 		if (rsp->status == BFA_STATUS_OK) {
 			diag->tsensor.temp->brd_temp =
 				be16_to_cpu(rsp->brd_temp);
-		} else {
-			bfa_trc(diag, rsp->status);
+		} else
 			diag->tsensor.temp->brd_temp = 0;
-			diag->tsensor.temp->status = BFA_STATUS_DEVBUSY;
-		}
 	}
+
+	bfa_trc(diag, rsp->status);
 	bfa_trc(diag, rsp->ts_junc);
 	bfa_trc(diag, rsp->temp);
 	bfa_trc(diag, rsp->ts_brd);
 	bfa_trc(diag, rsp->brd_temp);
+
+	/* tsensor status is always good bcos we always have junction temp */
+	diag->tsensor.status = BFA_STATUS_OK;
 	diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status);
 	diag->tsensor.lock = 0;
 }
@@ -4924,6 +4934,7 @@ bfa_diag_tsensor_query(struct bfa_diag_s *diag,
 	diag->tsensor.temp = result;
 	diag->tsensor.cbfn = cbfn;
 	diag->tsensor.cbarg = cbarg;
+	diag->tsensor.status = BFA_STATUS_OK;
 
 	/* Send msg to fw */
 	diag_tempsensor_send(diag);
@@ -5615,7 +5626,7 @@ bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
 		}
 		bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read);
 		bfa_timer_start(dconf->bfa, &dconf->timer,
-			bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
+			bfa_dconf_timer, dconf, 2 * BFA_DCONF_UPDATE_TOV);
 		bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa),
 					BFA_FLASH_PART_DRV, dconf->instance,
 					dconf->dconf,
@@ -5655,7 +5666,7 @@ bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf,
 		break;
 	case BFA_DCONF_SM_TIMEOUT:
 		bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
-		bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_IOC_FAILED);
+		bfa_ioc_suspend(&dconf->bfa->ioc);
 		break;
 	case BFA_DCONF_SM_EXIT:
 		bfa_timer_stop(&dconf->timer);
@@ -5853,7 +5864,6 @@ bfa_dconf_init_cb(void *arg, bfa_status_t status)
 	struct bfa_s *bfa = arg;
 	struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
 
-	bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
 	if (status == BFA_STATUS_OK) {
 		bfa_dconf_read_data_valid(bfa) = BFA_TRUE;
 		if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE)
@@ -5861,6 +5871,7 @@ bfa_dconf_init_cb(void *arg, bfa_status_t status)
 		if (dconf->dconf->hdr.version != BFI_DCONF_VERSION)
 			dconf->dconf->hdr.version = BFI_DCONF_VERSION;
 	}
+	bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE);
 }
 
@@ -5945,3 +5956,448 @@ bfa_dconf_modexit(struct bfa_s *bfa)
 	struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
 	bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT);
 }
+
+/*
+ * FRU specific functions
+ */
+
+#define BFA_FRU_DMA_BUF_SZ	0x02000		/* 8k dma buffer */
+#define BFA_FRU_CHINOOK_MAX_SIZE 0x10000
+#define BFA_FRU_LIGHTNING_MAX_SIZE 0x200
+
+static void
+bfa_fru_notify(void *cbarg, enum bfa_ioc_event_e event)
+{
+	struct bfa_fru_s *fru = cbarg;
+
+	bfa_trc(fru, event);
+
+	switch (event) {
+	case BFA_IOC_E_DISABLED:
+	case BFA_IOC_E_FAILED:
+		if (fru->op_busy) {
+			fru->status = BFA_STATUS_IOC_FAILURE;
+			fru->cbfn(fru->cbarg, fru->status);
+			fru->op_busy = 0;
+		}
+		break;
+
+	default:
+		break;
+	}
+}
+
+/*
+ * Send fru write request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_fru_write_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type)
+{
+	struct bfa_fru_s *fru = cbarg;
+	struct bfi_fru_write_req_s *msg =
+			(struct bfi_fru_write_req_s *) fru->mb.msg;
+	u32 len;
+
+	msg->offset = cpu_to_be32(fru->addr_off + fru->offset);
+	len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ?
+				fru->residue : BFA_FRU_DMA_BUF_SZ;
+	msg->length = cpu_to_be32(len);
+
+	/*
+	 * indicate if it's the last msg of the whole write operation
+	 */
+	msg->last = (len == fru->residue) ? 1 : 0;
+
+	bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc));
+	bfa_alen_set(&msg->alen, len, fru->dbuf_pa);
+
+	memcpy(fru->dbuf_kva, fru->ubuf + fru->offset, len);
+	bfa_ioc_mbox_queue(fru->ioc, &fru->mb);
+
+	fru->residue -= len;
+	fru->offset += len;
+}
+
+/*
+ * Send fru read request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_fru_read_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type)
+{
+	struct bfa_fru_s *fru = cbarg;
+	struct bfi_fru_read_req_s *msg =
+			(struct bfi_fru_read_req_s *) fru->mb.msg;
+	u32 len;
+
+	msg->offset = cpu_to_be32(fru->addr_off + fru->offset);
+	len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ?
+				fru->residue : BFA_FRU_DMA_BUF_SZ;
+	msg->length = cpu_to_be32(len);
+	bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc));
+	bfa_alen_set(&msg->alen, len, fru->dbuf_pa);
+	bfa_ioc_mbox_queue(fru->ioc, &fru->mb);
+}
+
+/*
+ * Flash memory info API.
+ *
+ * @param[in] mincfg - minimal cfg variable
+ */
+u32
+bfa_fru_meminfo(bfa_boolean_t mincfg)
+{
+	/* min driver doesn't need fru */
+	if (mincfg)
+		return 0;
+
+	return BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Flash attach API.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] ioc  - ioc structure
+ * @param[in] dev  - device structure
+ * @param[in] trcmod - trace module
+ * @param[in] logmod - log module
+ */
+void
+bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc, void *dev,
+	struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg)
+{
+	fru->ioc = ioc;
+	fru->trcmod = trcmod;
+	fru->cbfn = NULL;
+	fru->cbarg = NULL;
+	fru->op_busy = 0;
+
+	bfa_ioc_mbox_regisr(fru->ioc, BFI_MC_FRU, bfa_fru_intr, fru);
+	bfa_q_qe_init(&fru->ioc_notify);
+	bfa_ioc_notify_init(&fru->ioc_notify, bfa_fru_notify, fru);
+	list_add_tail(&fru->ioc_notify.qe, &fru->ioc->notify_q);
+
+	/* min driver doesn't need fru */
+	if (mincfg) {
+		fru->dbuf_kva = NULL;
+		fru->dbuf_pa = 0;
+	}
+}
+
+/*
+ * Claim memory for fru
+ *
+ * @param[in] fru - fru structure
+ * @param[in] dm_kva - pointer to virtual memory address
+ * @param[in] dm_pa - frusical memory address
+ * @param[in] mincfg - minimal cfg variable
+ */
+void
+bfa_fru_memclaim(struct bfa_fru_s *fru, u8 *dm_kva, u64 dm_pa,
+	bfa_boolean_t mincfg)
+{
+	if (mincfg)
+		return;
+
+	fru->dbuf_kva = dm_kva;
+	fru->dbuf_pa = dm_pa;
+	memset(fru->dbuf_kva, 0, BFA_FRU_DMA_BUF_SZ);
+	dm_kva += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+	dm_pa += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Update fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - update data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_update(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+		  bfa_cb_fru_t cbfn, void *cbarg)
+{
+	bfa_trc(fru, BFI_FRUVPD_H2I_WRITE_REQ);
+	bfa_trc(fru, len);
+	bfa_trc(fru, offset);
+
+	if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+		return BFA_STATUS_FRU_NOT_PRESENT;
+
+	if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK)
+		return BFA_STATUS_CMD_NOTSUPP;
+
+	if (!bfa_ioc_is_operational(fru->ioc))
+		return BFA_STATUS_IOC_NON_OP;
+
+	if (fru->op_busy) {
+		bfa_trc(fru, fru->op_busy);
+		return BFA_STATUS_DEVBUSY;
+	}
+
+	fru->op_busy = 1;
+
+	fru->cbfn = cbfn;
+	fru->cbarg = cbarg;
+	fru->residue = len;
+	fru->offset = 0;
+	fru->addr_off = offset;
+	fru->ubuf = buf;
+
+	bfa_fru_write_send(fru, BFI_FRUVPD_H2I_WRITE_REQ);
+
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Read fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - read data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+		bfa_cb_fru_t cbfn, void *cbarg)
+{
+	bfa_trc(fru, BFI_FRUVPD_H2I_READ_REQ);
+	bfa_trc(fru, len);
+	bfa_trc(fru, offset);
+
+	if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+		return BFA_STATUS_FRU_NOT_PRESENT;
+
+	if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK)
+		return BFA_STATUS_CMD_NOTSUPP;
+
+	if (!bfa_ioc_is_operational(fru->ioc))
+		return BFA_STATUS_IOC_NON_OP;
+
+	if (fru->op_busy) {
+		bfa_trc(fru, fru->op_busy);
+		return BFA_STATUS_DEVBUSY;
+	}
+
+	fru->op_busy = 1;
+
+	fru->cbfn = cbfn;
+	fru->cbarg = cbarg;
+	fru->residue = len;
+	fru->offset = 0;
+	fru->addr_off = offset;
+	fru->ubuf = buf;
+	bfa_fru_read_send(fru, BFI_FRUVPD_H2I_READ_REQ);
+
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Get maximum size fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[out] size - maximum size of fru vpd data
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size)
+{
+	if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+		return BFA_STATUS_FRU_NOT_PRESENT;
+
+	if (!bfa_ioc_is_operational(fru->ioc))
+		return BFA_STATUS_IOC_NON_OP;
+
+	if (fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK)
+		*max_size = BFA_FRU_CHINOOK_MAX_SIZE;
+	else
+		return BFA_STATUS_CMD_NOTSUPP;
+	return BFA_STATUS_OK;
+}
+/*
+ * tfru write.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - update data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_tfru_write(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+	       bfa_cb_fru_t cbfn, void *cbarg)
+{
+	bfa_trc(fru, BFI_TFRU_H2I_WRITE_REQ);
+	bfa_trc(fru, len);
+	bfa_trc(fru, offset);
+	bfa_trc(fru, *((u8 *) buf));
+
+	if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+		return BFA_STATUS_FRU_NOT_PRESENT;
+
+	if (!bfa_ioc_is_operational(fru->ioc))
+		return BFA_STATUS_IOC_NON_OP;
+
+	if (fru->op_busy) {
+		bfa_trc(fru, fru->op_busy);
+		return BFA_STATUS_DEVBUSY;
+	}
+
+	fru->op_busy = 1;
+
+	fru->cbfn = cbfn;
+	fru->cbarg = cbarg;
+	fru->residue = len;
+	fru->offset = 0;
+	fru->addr_off = offset;
+	fru->ubuf = buf;
+
+	bfa_fru_write_send(fru, BFI_TFRU_H2I_WRITE_REQ);
+
+	return BFA_STATUS_OK;
+}
+
+/*
+ * tfru read.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - read data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_tfru_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+	      bfa_cb_fru_t cbfn, void *cbarg)
+{
+	bfa_trc(fru, BFI_TFRU_H2I_READ_REQ);
+	bfa_trc(fru, len);
+	bfa_trc(fru, offset);
+
+	if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+		return BFA_STATUS_FRU_NOT_PRESENT;
+
+	if (!bfa_ioc_is_operational(fru->ioc))
+		return BFA_STATUS_IOC_NON_OP;
+
+	if (fru->op_busy) {
+		bfa_trc(fru, fru->op_busy);
+		return BFA_STATUS_DEVBUSY;
+	}
+
+	fru->op_busy = 1;
+
+	fru->cbfn = cbfn;
+	fru->cbarg = cbarg;
+	fru->residue = len;
+	fru->offset = 0;
+	fru->addr_off = offset;
+	fru->ubuf = buf;
+	bfa_fru_read_send(fru, BFI_TFRU_H2I_READ_REQ);
+
+	return BFA_STATUS_OK;
+}
+
+/*
+ * Process fru response messages upon receiving interrupts.
+ *
+ * @param[in] fruarg - fru structure
+ * @param[in] msg - message structure
+ */
+void
+bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg)
+{
+	struct bfa_fru_s *fru = fruarg;
+	struct bfi_fru_rsp_s *rsp = (struct bfi_fru_rsp_s *)msg;
+	u32 status;
+
+	bfa_trc(fru, msg->mh.msg_id);
+
+	if (!fru->op_busy) {
+		/*
+		 * receiving response after ioc failure
+		 */
+		bfa_trc(fru, 0x9999);
+		return;
+	}
+
+	switch (msg->mh.msg_id) {
+	case BFI_FRUVPD_I2H_WRITE_RSP:
+	case BFI_TFRU_I2H_WRITE_RSP:
+		status = be32_to_cpu(rsp->status);
+		bfa_trc(fru, status);
+
+		if (status != BFA_STATUS_OK || fru->residue == 0) {
+			fru->status = status;
+			fru->op_busy = 0;
+			if (fru->cbfn)
+				fru->cbfn(fru->cbarg, fru->status);
+		} else {
+			bfa_trc(fru, fru->offset);
+			if (msg->mh.msg_id == BFI_FRUVPD_I2H_WRITE_RSP)
+				bfa_fru_write_send(fru,
+					BFI_FRUVPD_H2I_WRITE_REQ);
+			else
+				bfa_fru_write_send(fru,
+					BFI_TFRU_H2I_WRITE_REQ);
+		}
+		break;
+	case BFI_FRUVPD_I2H_READ_RSP:
+	case BFI_TFRU_I2H_READ_RSP:
+		status = be32_to_cpu(rsp->status);
+		bfa_trc(fru, status);
+
+		if (status != BFA_STATUS_OK) {
+			fru->status = status;
+			fru->op_busy = 0;
+			if (fru->cbfn)
+				fru->cbfn(fru->cbarg, fru->status);
+		} else {
+			u32 len = be32_to_cpu(rsp->length);
+
+			bfa_trc(fru, fru->offset);
+			bfa_trc(fru, len);
+
+			memcpy(fru->ubuf + fru->offset, fru->dbuf_kva, len);
+			fru->residue -= len;
+			fru->offset += len;
+
+			if (fru->residue == 0) {
+				fru->status = status;
+				fru->op_busy = 0;
+				if (fru->cbfn)
+					fru->cbfn(fru->cbarg, fru->status);
+			} else {
+				if (msg->mh.msg_id == BFI_FRUVPD_I2H_READ_RSP)
+					bfa_fru_read_send(fru,
+						BFI_FRUVPD_H2I_READ_REQ);
+				else
+					bfa_fru_read_send(fru,
+						BFI_TFRU_H2I_READ_REQ);
+			}
+		}
+		break;
+	default:
+		WARN_ON(1);
+	}
+}
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index b2856f96567..23a90e7b710 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -702,6 +702,55 @@ void bfa_phy_memclaim(struct bfa_phy_s *phy,
 void bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg);
 
 /*
+ * FRU module specific
+ */
+typedef void (*bfa_cb_fru_t) (void *cbarg, bfa_status_t status);
+
+struct bfa_fru_s {
+	struct bfa_ioc_s *ioc;		/* back pointer to ioc */
+	struct bfa_trc_mod_s *trcmod;	/* trace module */
+	u8		op_busy;	/* operation busy flag */
+	u8		rsv[3];
+	u32		residue;	/* residual length */
+	u32		offset;		/* offset */
+	bfa_status_t	status;		/* status */
+	u8		*dbuf_kva;	/* dma buf virtual address */
+	u64		dbuf_pa;	/* dma buf physical address */
+	struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
+	bfa_cb_fru_t	cbfn;		/* user callback function */
+	void		*cbarg;		/* user callback arg */
+	u8		*ubuf;		/* user supplied buffer */
+	struct bfa_cb_qe_s	hcb_qe;	/* comp: BFA callback qelem */
+	u32		addr_off;	/* fru address offset */
+	struct bfa_mbox_cmd_s mb;	/* mailbox */
+	struct bfa_ioc_notify_s ioc_notify; /* ioc event notify */
+	struct bfa_mem_dma_s	fru_dma;
+};
+
+#define BFA_FRU(__bfa)	(&(__bfa)->modules.fru)
+#define BFA_MEM_FRU_DMA(__bfa)	(&(BFA_FRU(__bfa)->fru_dma))
+
+bfa_status_t bfa_fruvpd_update(struct bfa_fru_s *fru,
+			void *buf, u32 len, u32 offset,
+			bfa_cb_fru_t cbfn, void *cbarg);
+bfa_status_t bfa_fruvpd_read(struct bfa_fru_s *fru,
+			void *buf, u32 len, u32 offset,
+			bfa_cb_fru_t cbfn, void *cbarg);
+bfa_status_t bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size);
+bfa_status_t bfa_tfru_write(struct bfa_fru_s *fru,
+			void *buf, u32 len, u32 offset,
+			bfa_cb_fru_t cbfn, void *cbarg);
+bfa_status_t bfa_tfru_read(struct bfa_fru_s *fru,
+			void *buf, u32 len, u32 offset,
+			bfa_cb_fru_t cbfn, void *cbarg);
+u32	bfa_fru_meminfo(bfa_boolean_t mincfg);
+void bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc,
+		void *dev, struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg);
+void bfa_fru_memclaim(struct bfa_fru_s *fru,
+		u8 *dm_kva, u64 dm_pa, bfa_boolean_t mincfg);
+void bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg);
+
+/*
  * Driver Config( dconf) specific
  */
 #define BFI_DCONF_SIGNATURE	0xabcdabcd
@@ -716,6 +765,7 @@ struct bfa_dconf_hdr_s {
 struct bfa_dconf_s {
 	struct bfa_dconf_hdr_s		hdr;
 	struct bfa_lunmask_cfg_s	lun_mask;
+	struct bfa_throttle_cfg_s	throttle_cfg;
 };
 #pragma pack()
 
@@ -738,6 +788,8 @@ struct bfa_dconf_mod_s {
 #define bfa_dconf_read_data_valid(__bfa)	\
 	(BFA_DCONF_MOD(__bfa)->read_data_valid)
 #define BFA_DCONF_UPDATE_TOV	5000	/* memtest timeout in msec */
+#define bfa_dconf_get_min_cfg(__bfa)	\
+	(BFA_DCONF_MOD(__bfa)->min_cfg)
 
 void	bfa_dconf_modinit(struct bfa_s *bfa);
 void	bfa_dconf_modexit(struct bfa_s *bfa);
@@ -761,7 +813,8 @@ bfa_status_t	bfa_dconf_update(struct bfa_s *bfa);
 #define bfa_ioc_maxfrsize(__ioc)	((__ioc)->attr->maxfrsize)
 #define bfa_ioc_rx_bbcredit(__ioc)	((__ioc)->attr->rx_bbcredit)
 #define bfa_ioc_speed_sup(__ioc)	\
-	BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
+	((bfa_ioc_is_cna(__ioc)) ? BFA_PORT_SPEED_10GBPS :	\
+	 BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop))
 #define bfa_ioc_get_nports(__ioc)	\
 	BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
 
@@ -885,12 +938,12 @@ bfa_status_t bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port,
 		enum bfa_mode_s mode, int max_pf, int max_vf,
 		bfa_ablk_cbfn_t cbfn, void *cbarg);
 bfa_status_t bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn,
-		u8 port, enum bfi_pcifn_class personality, int bw,
-		bfa_ablk_cbfn_t cbfn, void *cbarg);
+		u8 port, enum bfi_pcifn_class personality,
+		u16 bw_min, u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg);
 bfa_status_t bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn,
 		bfa_ablk_cbfn_t cbfn, void *cbarg);
-bfa_status_t bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw,
-		bfa_ablk_cbfn_t cbfn, void *cbarg);
+bfa_status_t bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn,
+		u16 bw_min, u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg);
 bfa_status_t bfa_ablk_optrom_en(struct bfa_ablk_s *ablk,
 		bfa_ablk_cbfn_t cbfn, void *cbarg);
 bfa_status_t bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk,
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c
index 2eb0c6a2938..de4e726a126 100644
--- a/drivers/scsi/bfa/bfa_ioc_ct.c
+++ b/drivers/scsi/bfa/bfa_ioc_ct.c
@@ -57,13 +57,6 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
 	u32 usecnt;
 	struct bfi_ioc_image_hdr_s fwhdr;
 
-	/*
-	 * If bios boot (flash based) -- do not increment usage count
-	 */
-	if (bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)) <
-						BFA_IOC_FWIMG_MINSZ)
-		return BFA_TRUE;
-
 	bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
 	usecnt = readl(ioc->ioc_regs.ioc_usage_reg);
 
@@ -115,13 +108,6 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc)
 	u32 usecnt;
 
 	/*
-	 * If bios boot (flash based) -- do not decrement usage count
-	 */
-	if (bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)) <
-						BFA_IOC_FWIMG_MINSZ)
-		return;
-
-	/*
 	 * decrement usage count
 	 */
 	bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
@@ -400,13 +386,12 @@ static void
 bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc)
 {
 
-	if (bfa_ioc_is_cna(ioc)) {
-		bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
-		writel(0, ioc->ioc_regs.ioc_usage_reg);
-		readl(ioc->ioc_regs.ioc_usage_sem_reg);
-		writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
-	}
+	bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
+	writel(0, ioc->ioc_regs.ioc_usage_reg);
+	readl(ioc->ioc_regs.ioc_usage_sem_reg);
+	writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
 
+	writel(0, ioc->ioc_regs.ioc_fail_sync);
 	/*
 	 * Read the hw sem reg to make sure that it is locked
 	 * before we clear it. If it is not locked, writing 1
@@ -759,25 +744,6 @@ bfa_ioc_ct2_mem_init(void __iomem *rb)
 void
 bfa_ioc_ct2_mac_reset(void __iomem *rb)
 {
-	u32	r32;
-
-	bfa_ioc_ct2_sclk_init(rb);
-	bfa_ioc_ct2_lclk_init(rb);
-
-	/*
-	 * release soft reset on s_clk & l_clk
-	 */
-	r32 = readl((rb + CT2_APP_PLL_SCLK_CTL_REG));
-	writel(r32 & ~__APP_PLL_SCLK_LOGIC_SOFT_RESET,
-		(rb + CT2_APP_PLL_SCLK_CTL_REG));
-
-	/*
-	 * release soft reset on s_clk & l_clk
-	 */
-	r32 = readl((rb + CT2_APP_PLL_LCLK_CTL_REG));
-	writel(r32 & ~__APP_PLL_LCLK_LOGIC_SOFT_RESET,
-		(rb + CT2_APP_PLL_LCLK_CTL_REG));
-
 	/* put port0, port1 MAC & AHB in reset */
 	writel((__CSI_MAC_RESET | __CSI_MAC_AHB_RESET),
 		rb + CT2_CSI_MAC_CONTROL_REG(0));
@@ -785,8 +751,21 @@ bfa_ioc_ct2_mac_reset(void __iomem *rb)
 		rb + CT2_CSI_MAC_CONTROL_REG(1));
 }
 
+static void
+bfa_ioc_ct2_enable_flash(void __iomem *rb)
+{
+	u32 r32;
+
+	r32 = readl((rb + PSS_GPIO_OUT_REG));
+	writel(r32 & ~1, (rb + PSS_GPIO_OUT_REG));
+	r32 = readl((rb + PSS_GPIO_OE_REG));
+	writel(r32 | 1, (rb + PSS_GPIO_OE_REG));
+}
+
 #define CT2_NFC_MAX_DELAY	1000
-#define CT2_NFC_VER_VALID	0x143
+#define CT2_NFC_PAUSE_MAX_DELAY 4000
+#define CT2_NFC_VER_VALID	0x147
+#define CT2_NFC_STATE_RUNNING   0x20000001
 #define BFA_IOC_PLL_POLL	1000000
 
 static bfa_boolean_t
@@ -802,6 +781,20 @@ bfa_ioc_ct2_nfc_halted(void __iomem *rb)
 }
 
 static void
+bfa_ioc_ct2_nfc_halt(void __iomem *rb)
+{
+	int	i;
+
+	writel(__HALT_NFC_CONTROLLER, rb + CT2_NFC_CSR_SET_REG);
+	for (i = 0; i < CT2_NFC_MAX_DELAY; i++) {
+		if (bfa_ioc_ct2_nfc_halted(rb))
+			break;
+		udelay(1000);
+	}
+	WARN_ON(!bfa_ioc_ct2_nfc_halted(rb));
+}
+
+static void
 bfa_ioc_ct2_nfc_resume(void __iomem *rb)
 {
 	u32	r32;
@@ -817,105 +810,142 @@ bfa_ioc_ct2_nfc_resume(void __iomem *rb)
 	WARN_ON(1);
 }
 
-bfa_status_t
-bfa_ioc_ct2_pll_init(void __iomem *rb, enum bfi_asic_mode mode)
+static void
+bfa_ioc_ct2_clk_reset(void __iomem *rb)
 {
-	u32 wgn, r32, nfc_ver, i;
+	u32 r32;
 
-	wgn = readl(rb + CT2_WGN_STATUS);
-	nfc_ver = readl(rb + CT2_RSC_GPR15_REG);
+	bfa_ioc_ct2_sclk_init(rb);
+	bfa_ioc_ct2_lclk_init(rb);
 
-	if ((wgn == (__A2T_AHB_LOAD | __WGN_READY)) &&
-	    (nfc_ver >= CT2_NFC_VER_VALID)) {
-		if (bfa_ioc_ct2_nfc_halted(rb))
-			bfa_ioc_ct2_nfc_resume(rb);
+	/*
+	 * release soft reset on s_clk & l_clk
+	 */
+	r32 = readl((rb + CT2_APP_PLL_SCLK_CTL_REG));
+	writel(r32 & ~__APP_PLL_SCLK_LOGIC_SOFT_RESET,
+			(rb + CT2_APP_PLL_SCLK_CTL_REG));
 
-		writel(__RESET_AND_START_SCLK_LCLK_PLLS,
-		       rb + CT2_CSI_FW_CTL_SET_REG);
+	r32 = readl((rb + CT2_APP_PLL_LCLK_CTL_REG));
+	writel(r32 & ~__APP_PLL_LCLK_LOGIC_SOFT_RESET,
+			(rb + CT2_APP_PLL_LCLK_CTL_REG));
 
-		for (i = 0; i < BFA_IOC_PLL_POLL; i++) {
-			r32 = readl(rb + CT2_APP_PLL_LCLK_CTL_REG);
-			if (r32 & __RESET_AND_START_SCLK_LCLK_PLLS)
-				break;
-		}
+}
 
-		WARN_ON(!(r32 & __RESET_AND_START_SCLK_LCLK_PLLS));
+static void
+bfa_ioc_ct2_nfc_clk_reset(void __iomem *rb)
+{
+	u32 r32, i;
 
-		for (i = 0; i < BFA_IOC_PLL_POLL; i++) {
-			r32 = readl(rb + CT2_APP_PLL_LCLK_CTL_REG);
-			if (!(r32 & __RESET_AND_START_SCLK_LCLK_PLLS))
-				break;
-		}
+	r32 = readl((rb + PSS_CTL_REG));
+	r32 |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET);
+	writel(r32, (rb + PSS_CTL_REG));
+
+	writel(__RESET_AND_START_SCLK_LCLK_PLLS, rb + CT2_CSI_FW_CTL_SET_REG);
 
-		WARN_ON(r32 & __RESET_AND_START_SCLK_LCLK_PLLS);
+	for (i = 0; i < BFA_IOC_PLL_POLL; i++) {
+		r32 = readl(rb + CT2_NFC_FLASH_STS_REG);
+
+		if ((r32 & __FLASH_PLL_INIT_AND_RESET_IN_PROGRESS))
+			break;
+	}
+	WARN_ON(!(r32 & __FLASH_PLL_INIT_AND_RESET_IN_PROGRESS));
+
+	for (i = 0; i < BFA_IOC_PLL_POLL; i++) {
+		r32 = readl(rb + CT2_NFC_FLASH_STS_REG);
+
+		if (!(r32 & __FLASH_PLL_INIT_AND_RESET_IN_PROGRESS))
+			break;
+	}
+	WARN_ON((r32 & __FLASH_PLL_INIT_AND_RESET_IN_PROGRESS));
+
+	r32 = readl(rb + CT2_CSI_FW_CTL_REG);
+	WARN_ON((r32 & __RESET_AND_START_SCLK_LCLK_PLLS));
+}
+
+static void
+bfa_ioc_ct2_wait_till_nfc_running(void __iomem *rb)
+{
+	u32 r32;
+	int i;
+
+	if (bfa_ioc_ct2_nfc_halted(rb))
+		bfa_ioc_ct2_nfc_resume(rb);
+	for (i = 0; i < CT2_NFC_PAUSE_MAX_DELAY; i++) {
+		r32 = readl(rb + CT2_NFC_STS_REG);
+		if (r32 == CT2_NFC_STATE_RUNNING)
+			return;
 		udelay(1000);
+	}
 
-		r32 = readl(rb + CT2_CSI_FW_CTL_REG);
-		WARN_ON(r32 & __RESET_AND_START_SCLK_LCLK_PLLS);
-	} else {
-		writel(__HALT_NFC_CONTROLLER, rb + CT2_NFC_CSR_SET_REG);
-		for (i = 0; i < CT2_NFC_MAX_DELAY; i++) {
-			r32 = readl(rb + CT2_NFC_CSR_SET_REG);
-			if (r32 & __NFC_CONTROLLER_HALTED)
-				break;
-			udelay(1000);
-		}
+	r32 = readl(rb + CT2_NFC_STS_REG);
+	WARN_ON(!(r32 == CT2_NFC_STATE_RUNNING));
+}
 
-		bfa_ioc_ct2_mac_reset(rb);
-		bfa_ioc_ct2_sclk_init(rb);
-		bfa_ioc_ct2_lclk_init(rb);
+bfa_status_t
+bfa_ioc_ct2_pll_init(void __iomem *rb, enum bfi_asic_mode mode)
+{
+	u32 wgn, r32, nfc_ver;
 
-		/*
-		 * release soft reset on s_clk & l_clk
-		 */
-		r32 = readl(rb + CT2_APP_PLL_SCLK_CTL_REG);
-		writel(r32 & ~__APP_PLL_SCLK_LOGIC_SOFT_RESET,
-		       (rb + CT2_APP_PLL_SCLK_CTL_REG));
+	wgn = readl(rb + CT2_WGN_STATUS);
 
+	if (wgn == (__WGN_READY | __GLBL_PF_VF_CFG_RDY)) {
 		/*
-		 * release soft reset on s_clk & l_clk
+		 * If flash is corrupted, enable flash explicitly
 		 */
-		r32 = readl(rb + CT2_APP_PLL_LCLK_CTL_REG);
-		writel(r32 & ~__APP_PLL_LCLK_LOGIC_SOFT_RESET,
-		      (rb + CT2_APP_PLL_LCLK_CTL_REG));
-	}
+		bfa_ioc_ct2_clk_reset(rb);
+		bfa_ioc_ct2_enable_flash(rb);
 
-	/*
-	 * Announce flash device presence, if flash was corrupted.
-	 */
-	if (wgn == (__WGN_READY | __GLBL_PF_VF_CFG_RDY)) {
-		r32 = readl(rb + PSS_GPIO_OUT_REG);
-		writel(r32 & ~1, (rb + PSS_GPIO_OUT_REG));
-		r32 = readl(rb + PSS_GPIO_OE_REG);
-		writel(r32 | 1, (rb + PSS_GPIO_OE_REG));
+		bfa_ioc_ct2_mac_reset(rb);
+
+		bfa_ioc_ct2_clk_reset(rb);
+		bfa_ioc_ct2_enable_flash(rb);
+
+	} else {
+		nfc_ver = readl(rb + CT2_RSC_GPR15_REG);
+
+		if ((nfc_ver >= CT2_NFC_VER_VALID) &&
+		    (wgn == (__A2T_AHB_LOAD | __WGN_READY))) {
+
+			bfa_ioc_ct2_wait_till_nfc_running(rb);
+
+			bfa_ioc_ct2_nfc_clk_reset(rb);
+		} else {
+			bfa_ioc_ct2_nfc_halt(rb);
+
+			bfa_ioc_ct2_clk_reset(rb);
+			bfa_ioc_ct2_mac_reset(rb);
+			bfa_ioc_ct2_clk_reset(rb);
+
+		}
 	}
 
 	/*
 	 * Mask the interrupts and clear any
-	 * pending interrupts.
+	 * pending interrupts left by BIOS/EFI
 	 */
+
 	writel(1, (rb + CT2_LPU0_HOSTFN_MBOX0_MSK));
 	writel(1, (rb + CT2_LPU1_HOSTFN_MBOX0_MSK));
 
 	/* For first time initialization, no need to clear interrupts */
 	r32 = readl(rb + HOST_SEM5_REG);
 	if (r32 & 0x1) {
-		r32 = readl(rb + CT2_LPU0_HOSTFN_CMD_STAT);
+		r32 = readl((rb + CT2_LPU0_HOSTFN_CMD_STAT));
 		if (r32 == 1) {
-			writel(1, rb + CT2_LPU0_HOSTFN_CMD_STAT);
+			writel(1, (rb + CT2_LPU0_HOSTFN_CMD_STAT));
 			readl((rb + CT2_LPU0_HOSTFN_CMD_STAT));
 		}
-		r32 = readl(rb + CT2_LPU1_HOSTFN_CMD_STAT);
+		r32 = readl((rb + CT2_LPU1_HOSTFN_CMD_STAT));
 		if (r32 == 1) {
-			writel(1, rb + CT2_LPU1_HOSTFN_CMD_STAT);
-			readl(rb + CT2_LPU1_HOSTFN_CMD_STAT);
+			writel(1, (rb + CT2_LPU1_HOSTFN_CMD_STAT));
+			readl((rb + CT2_LPU1_HOSTFN_CMD_STAT));
 		}
 	}
 
 	bfa_ioc_ct2_mem_init(rb);
 
-	writel(BFI_IOC_UNINIT, rb + CT2_BFA_IOC0_STATE_REG);
-	writel(BFI_IOC_UNINIT, rb + CT2_BFA_IOC1_STATE_REG);
+	writel(BFI_IOC_UNINIT, (rb + CT2_BFA_IOC0_STATE_REG));
+	writel(BFI_IOC_UNINIT, (rb + CT2_BFA_IOC1_STATE_REG));
 
 	return BFA_STATUS_OK;
 }
diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h
index 189fff71e3c..a14c784ff3f 100644
--- a/drivers/scsi/bfa/bfa_modules.h
+++ b/drivers/scsi/bfa/bfa_modules.h
@@ -45,6 +45,7 @@ struct bfa_modules_s {
 	struct bfa_diag_s	diag_mod;	/*  diagnostics module	*/
 	struct bfa_phy_s	phy;		/*  phy module		*/
 	struct bfa_dconf_mod_s	dconf_mod;	/*  DCONF common module	*/
+	struct bfa_fru_s	fru;		/*  fru module		*/
 };
 
 /*
diff --git a/drivers/scsi/bfa/bfa_port.c b/drivers/scsi/bfa/bfa_port.c
index 95e4ad8759a..8ea7697deb9 100644
--- a/drivers/scsi/bfa/bfa_port.c
+++ b/drivers/scsi/bfa/bfa_port.c
@@ -250,6 +250,12 @@ bfa_port_enable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn,
 		return BFA_STATUS_IOC_FAILURE;
 	}
 
+	/* if port is d-port enabled, return error */
+	if (port->dport_enabled) {
+		bfa_trc(port, BFA_STATUS_DPORT_ERR);
+		return BFA_STATUS_DPORT_ERR;
+	}
+
 	if (port->endis_pending) {
 		bfa_trc(port, BFA_STATUS_DEVBUSY);
 		return BFA_STATUS_DEVBUSY;
@@ -300,6 +306,12 @@ bfa_port_disable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn,
 		return BFA_STATUS_IOC_FAILURE;
 	}
 
+	/* if port is d-port enabled, return error */
+	if (port->dport_enabled) {
+		bfa_trc(port, BFA_STATUS_DPORT_ERR);
+		return BFA_STATUS_DPORT_ERR;
+	}
+
 	if (port->endis_pending) {
 		bfa_trc(port, BFA_STATUS_DEVBUSY);
 		return BFA_STATUS_DEVBUSY;
@@ -431,6 +443,10 @@ bfa_port_notify(void *arg, enum bfa_ioc_event_e event)
 			port->endis_cbfn = NULL;
 			port->endis_pending = BFA_FALSE;
 		}
+
+		/* clear D-port mode */
+		if (port->dport_enabled)
+			bfa_port_set_dportenabled(port, BFA_FALSE);
 		break;
 	default:
 		break;
@@ -467,6 +483,7 @@ bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc,
 	port->stats_cbfn = NULL;
 	port->endis_cbfn = NULL;
 	port->pbc_disabled = BFA_FALSE;
+	port->dport_enabled = BFA_FALSE;
 
 	bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port);
 	bfa_q_qe_init(&port->ioc_notify);
@@ -483,6 +500,21 @@ bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc,
 }
 
 /*
+ * bfa_port_set_dportenabled();
+ *
+ * Port module- set pbc disabled flag
+ *
+ * @param[in] port - Pointer to the Port module data structure
+ *
+ * @return void
+ */
+void
+bfa_port_set_dportenabled(struct bfa_port_s *port, bfa_boolean_t enabled)
+{
+	port->dport_enabled = enabled;
+}
+
+/*
  *	CEE module specific definitions
  */
 
diff --git a/drivers/scsi/bfa/bfa_port.h b/drivers/scsi/bfa/bfa_port.h
index 947f897328d..2fcab6bc628 100644
--- a/drivers/scsi/bfa/bfa_port.h
+++ b/drivers/scsi/bfa/bfa_port.h
@@ -45,6 +45,7 @@ struct bfa_port_s {
 	bfa_status_t			endis_status;
 	struct bfa_ioc_notify_s		ioc_notify;
 	bfa_boolean_t			pbc_disabled;
+	bfa_boolean_t			dport_enabled;
 	struct bfa_mem_dma_s		port_dma;
 };
 
@@ -66,6 +67,8 @@ bfa_status_t bfa_port_disable(struct bfa_port_s *port,
 u32     bfa_port_meminfo(void);
 void	     bfa_port_mem_claim(struct bfa_port_s *port,
 				 u8 *dma_kva, u64 dma_pa);
+void	bfa_port_set_dportenabled(struct bfa_port_s *port,
+				  bfa_boolean_t enabled);
 
 /*
  * CEE declaration
diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c
index b2538d60db3..299c1c889b3 100644
--- a/drivers/scsi/bfa/bfa_svc.c
+++ b/drivers/scsi/bfa/bfa_svc.c
@@ -67,6 +67,9 @@ enum bfa_fcport_sm_event {
 	BFA_FCPORT_SM_LINKDOWN	= 7,	/*  firmware linkup down	*/
 	BFA_FCPORT_SM_QRESUME	= 8,	/*  CQ space available	*/
 	BFA_FCPORT_SM_HWFAIL	= 9,	/*  IOC h/w failure		*/
+	BFA_FCPORT_SM_DPORTENABLE = 10, /*  enable dport      */
+	BFA_FCPORT_SM_DPORTDISABLE = 11,/*  disable dport     */
+	BFA_FCPORT_SM_FAA_MISCONFIG = 12,	/* FAA misconfiguratin */
 };
 
 /*
@@ -197,6 +200,10 @@ static void     bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
 					enum bfa_fcport_sm_event event);
 static void     bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
 					enum bfa_fcport_sm_event event);
+static void	bfa_fcport_sm_dport(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void	bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
 
 static void     bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
 					enum bfa_fcport_ln_sm_event event);
@@ -226,6 +233,8 @@ static struct bfa_sm_table_s hal_port_sm_table[] = {
 	{BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED},
 	{BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN},
 	{BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN},
+	{BFA_SM(bfa_fcport_sm_dport), BFA_PORT_ST_DPORT},
+	{BFA_SM(bfa_fcport_sm_faa_misconfig), BFA_PORT_ST_FAA_MISCONFIG},
 };
 
 
@@ -1244,6 +1253,12 @@ bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		 * Just ignore
 		 */
 		break;
+	case BFA_LPS_SM_SET_N2N_PID:
+		/*
+		 * When topology is set to loop, bfa_lps_set_n2n_pid() sends
+		 * this event. Ignore this event.
+		 */
+		break;
 
 	default:
 		bfa_sm_fault(lps->bfa, event);
@@ -1261,6 +1276,7 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
 
 	switch (event) {
 	case BFA_LPS_SM_FWRSP:
+	case BFA_LPS_SM_OFFLINE:
 		if (lps->status == BFA_STATUS_OK) {
 			bfa_sm_set_state(lps, bfa_lps_sm_online);
 			if (lps->fdisc)
@@ -1289,7 +1305,6 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		bfa_lps_login_comp(lps);
 		break;
 
-	case BFA_LPS_SM_OFFLINE:
 	case BFA_LPS_SM_DELETE:
 		bfa_sm_set_state(lps, bfa_lps_sm_init);
 		break;
@@ -2169,6 +2184,12 @@ bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
 		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
 	default:
 		bfa_sm_fault(fcport->bfa, event);
 	}
@@ -2225,6 +2246,12 @@ bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
 		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
 	default:
 		bfa_sm_fault(fcport->bfa, event);
 	}
@@ -2250,11 +2277,11 @@ bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
 		if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
 
 			bfa_trc(fcport->bfa,
-				pevent->link_state.vc_fcf.fcf.fipenabled);
+				pevent->link_state.attr.vc_fcf.fcf.fipenabled);
 			bfa_trc(fcport->bfa,
-				pevent->link_state.vc_fcf.fcf.fipfailed);
+				pevent->link_state.attr.vc_fcf.fcf.fipfailed);
 
-			if (pevent->link_state.vc_fcf.fcf.fipfailed)
+			if (pevent->link_state.attr.vc_fcf.fcf.fipfailed)
 				bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 					BFA_PL_EID_FIP_FCF_DISC, 0,
 					"FIP FCF Discovery Failed");
@@ -2311,6 +2338,12 @@ bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
 		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
 	default:
 		bfa_sm_fault(fcport->bfa, event);
 	}
@@ -2404,6 +2437,12 @@ bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
 		}
 		break;
 
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
 	default:
 		bfa_sm_fault(fcport->bfa, event);
 	}
@@ -2449,6 +2488,12 @@ bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
 		bfa_reqq_wcancel(&fcport->reqq_wait);
 		break;
 
+	case BFA_FCPORT_SM_FAA_MISCONFIG:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
+		break;
+
 	default:
 		bfa_sm_fault(fcport->bfa, event);
 	}
@@ -2600,6 +2645,10 @@ bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
 		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
 		break;
 
+	case BFA_FCPORT_SM_DPORTENABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_dport);
+		break;
+
 	default:
 		bfa_sm_fault(fcport->bfa, event);
 	}
@@ -2680,6 +2729,81 @@ bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
 	}
 }
 
+static void
+bfa_fcport_sm_dport(struct bfa_fcport_s *fcport, enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_DPORTENABLE:
+	case BFA_FCPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_START:
+		/*
+		 * Ignore event for a port that is dport
+		 */
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		break;
+
+	case BFA_FCPORT_SM_DPORTDISABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
+static void
+bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
+			    enum bfa_fcport_sm_event event)
+{
+	bfa_trc(fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_SM_DPORTENABLE:
+	case BFA_FCPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_START:
+		/*
+		 * Ignore event for a port as there is FAA misconfig
+		 */
+		break;
+
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		else
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
+
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+			     BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
+		break;
+
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		break;
+
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		break;
+
+	default:
+		bfa_sm_fault(fcport->bfa, event);
+	}
+}
+
 /*
  * Link state is down
  */
@@ -2943,6 +3067,7 @@ bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	 */
 	do_gettimeofday(&tv);
 	fcport->stats_reset_time = tv.tv_sec;
+	fcport->stats_dma_ready = BFA_FALSE;
 
 	/*
 	 * initialize and set default configuration
@@ -2953,6 +3078,9 @@ bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	port_cfg->maxfrsize = 0;
 
 	port_cfg->trl_def_speed = BFA_PORT_SPEED_1GBPS;
+	port_cfg->qos_bw.high = BFA_QOS_BW_HIGH;
+	port_cfg->qos_bw.med = BFA_QOS_BW_MED;
+	port_cfg->qos_bw.low = BFA_QOS_BW_LOW;
 
 	INIT_LIST_HEAD(&fcport->stats_pending_q);
 	INIT_LIST_HEAD(&fcport->statsclr_pending_q);
@@ -2996,6 +3124,21 @@ bfa_fcport_iocdisable(struct bfa_s *bfa)
 	bfa_trunk_iocdisable(bfa);
 }
 
+/*
+ * Update loop info in fcport for SCN online
+ */
+static void
+bfa_fcport_update_loop_info(struct bfa_fcport_s *fcport,
+			struct bfa_fcport_loop_info_s *loop_info)
+{
+	fcport->myalpa = loop_info->myalpa;
+	fcport->alpabm_valid =
+			loop_info->alpabm_val;
+	memcpy(fcport->alpabm.alpa_bm,
+			loop_info->alpabm.alpa_bm,
+			sizeof(struct fc_alpabm_s));
+}
+
 static void
 bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
 {
@@ -3005,12 +3148,15 @@ bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
 	fcport->speed = pevent->link_state.speed;
 	fcport->topology = pevent->link_state.topology;
 
-	if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP)
-		fcport->myalpa = 0;
+	if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP) {
+		bfa_fcport_update_loop_info(fcport,
+				&pevent->link_state.attr.loop_info);
+		return;
+	}
 
 	/* QoS Details */
 	fcport->qos_attr = pevent->link_state.qos_attr;
-	fcport->qos_vc_attr = pevent->link_state.vc_fcf.qos_vc_attr;
+	fcport->qos_vc_attr = pevent->link_state.attr.vc_fcf.qos_vc_attr;
 
 	/*
 	 * update trunk state if applicable
@@ -3019,7 +3165,8 @@ bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
 		trunk->attr.state = BFA_TRUNK_DISABLED;
 
 	/* update FCoE specific */
-	fcport->fcoe_vlan = be16_to_cpu(pevent->link_state.vc_fcf.fcf.vlan);
+	fcport->fcoe_vlan =
+		be16_to_cpu(pevent->link_state.attr.vc_fcf.fcf.vlan);
 
 	bfa_trc(fcport->bfa, fcport->speed);
 	bfa_trc(fcport->bfa, fcport->topology);
@@ -3453,6 +3600,7 @@ bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
 	case BFI_FCPORT_I2H_ENABLE_RSP:
 		if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) {
 
+			fcport->stats_dma_ready = BFA_TRUE;
 			if (fcport->use_flash_cfg) {
 				fcport->cfg = i2hmsg.penable_rsp->port_cfg;
 				fcport->cfg.maxfrsize =
@@ -3468,6 +3616,8 @@ bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
 				else
 					fcport->trunk.attr.state =
 						BFA_TRUNK_DISABLED;
+				fcport->qos_attr.qos_bw =
+					i2hmsg.penable_rsp->port_cfg.qos_bw;
 				fcport->use_flash_cfg = BFA_FALSE;
 			}
 
@@ -3476,6 +3626,9 @@ bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
 			else
 				fcport->qos_attr.state = BFA_QOS_DISABLED;
 
+			fcport->qos_attr.qos_bw_op =
+					i2hmsg.penable_rsp->port_cfg.qos_bw;
+
 			bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
 		}
 		break;
@@ -3488,8 +3641,17 @@ bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
 	case BFI_FCPORT_I2H_EVENT:
 		if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP)
 			bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
-		else
-			bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKDOWN);
+		else {
+			if (i2hmsg.event->link_state.linkstate_rsn ==
+			    BFA_PORT_LINKSTATE_RSN_FAA_MISCONFIG)
+				bfa_sm_send_event(fcport,
+						  BFA_FCPORT_SM_FAA_MISCONFIG);
+			else
+				bfa_sm_send_event(fcport,
+						  BFA_FCPORT_SM_LINKDOWN);
+		}
+		fcport->qos_attr.qos_bw_op =
+				i2hmsg.event->link_state.qos_attr.qos_bw_op;
 		break;
 
 	case BFI_FCPORT_I2H_TRUNK_SCN:
@@ -3609,6 +3771,9 @@ bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed)
 
 	if (fcport->cfg.trunked == BFA_TRUE)
 		return BFA_STATUS_TRUNK_ENABLED;
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+			(speed == BFA_PORT_SPEED_16GBPS))
+		return BFA_STATUS_UNSUPP_SPEED;
 	if ((speed != BFA_PORT_SPEED_AUTO) && (speed > fcport->speed_sup)) {
 		bfa_trc(bfa, fcport->speed_sup);
 		return BFA_STATUS_UNSUPP_SPEED;
@@ -3663,7 +3828,26 @@ bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_port_topology topology)
 
 	switch (topology) {
 	case BFA_PORT_TOPOLOGY_P2P:
+		break;
+
 	case BFA_PORT_TOPOLOGY_LOOP:
+		if ((bfa_fcport_is_qos_enabled(bfa) != BFA_FALSE) ||
+			(fcport->qos_attr.state != BFA_QOS_DISABLED))
+			return BFA_STATUS_ERROR_QOS_ENABLED;
+		if (fcport->cfg.ratelimit != BFA_FALSE)
+			return BFA_STATUS_ERROR_TRL_ENABLED;
+		if ((bfa_fcport_is_trunk_enabled(bfa) != BFA_FALSE) ||
+			(fcport->trunk.attr.state != BFA_TRUNK_DISABLED))
+			return BFA_STATUS_ERROR_TRUNK_ENABLED;
+		if ((bfa_fcport_get_speed(bfa) == BFA_PORT_SPEED_16GBPS) ||
+			(fcport->cfg.speed == BFA_PORT_SPEED_16GBPS))
+			return BFA_STATUS_UNSUPP_SPEED;
+		if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type))
+			return BFA_STATUS_LOOP_UNSUPP_MEZZ;
+		if (bfa_fcport_is_dport(bfa) != BFA_FALSE)
+			return BFA_STATUS_DPORT_ERR;
+		break;
+
 	case BFA_PORT_TOPOLOGY_AUTO:
 		break;
 
@@ -3686,6 +3870,17 @@ bfa_fcport_get_topology(struct bfa_s *bfa)
 	return fcport->topology;
 }
 
+/**
+ * Get config topology.
+ */
+enum bfa_port_topology
+bfa_fcport_get_cfg_topology(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return fcport->cfg.topology;
+}
+
 bfa_status_t
 bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
 {
@@ -3761,9 +3956,11 @@ bfa_fcport_get_maxfrsize(struct bfa_s *bfa)
 u8
 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
 {
-	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	if (bfa_fcport_get_topology(bfa) != BFA_PORT_TOPOLOGY_LOOP)
+		return (BFA_FCPORT_MOD(bfa))->cfg.rx_bbcredit;
 
-	return fcport->cfg.rx_bbcredit;
+	else
+		return 0;
 }
 
 void
@@ -3850,8 +4047,9 @@ bfa_fcport_get_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
 {
 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	if (bfa_ioc_is_disabled(&bfa->ioc))
-		return BFA_STATUS_IOC_DISABLED;
+	if (!bfa_iocfc_is_operational(bfa) ||
+	    !fcport->stats_dma_ready)
+		return BFA_STATUS_IOC_NON_OP;
 
 	if (!list_empty(&fcport->statsclr_pending_q))
 		return BFA_STATUS_DEVBUSY;
@@ -3876,6 +4074,10 @@ bfa_fcport_clear_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
 {
 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
+	if (!bfa_iocfc_is_operational(bfa) ||
+	    !fcport->stats_dma_ready)
+		return BFA_STATUS_IOC_NON_OP;
+
 	if (!list_empty(&fcport->stats_pending_q))
 		return BFA_STATUS_DEVBUSY;
 
@@ -3905,6 +4107,40 @@ bfa_fcport_is_disabled(struct bfa_s *bfa)
 }
 
 bfa_boolean_t
+bfa_fcport_is_dport(struct bfa_s *bfa)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+
+	return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
+		BFA_PORT_ST_DPORT);
+}
+
+bfa_status_t
+bfa_fcport_set_qos_bw(struct bfa_s *bfa, struct bfa_qos_bw_s *qos_bw)
+{
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa);
+
+	bfa_trc(bfa, ioc_type);
+
+	if ((qos_bw->high == 0) || (qos_bw->med == 0) || (qos_bw->low == 0))
+		return BFA_STATUS_QOS_BW_INVALID;
+
+	if ((qos_bw->high + qos_bw->med + qos_bw->low) != 100)
+		return BFA_STATUS_QOS_BW_INVALID;
+
+	if ((qos_bw->med > qos_bw->high) || (qos_bw->low > qos_bw->med) ||
+	    (qos_bw->low > qos_bw->high))
+		return BFA_STATUS_QOS_BW_INVALID;
+
+	if ((ioc_type == BFA_IOC_TYPE_FC) &&
+	    (fcport->cfg.topology != BFA_PORT_TOPOLOGY_LOOP))
+		fcport->cfg.qos_bw = *qos_bw;
+
+	return BFA_STATUS_OK;
+}
+
+bfa_boolean_t
 bfa_fcport_is_ratelim(struct bfa_s *bfa)
 {
 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
@@ -3981,6 +4217,26 @@ bfa_fcport_is_trunk_enabled(struct bfa_s *bfa)
 	return fcport->cfg.trunked;
 }
 
+void
+bfa_fcport_dportenable(struct bfa_s *bfa)
+{
+	/*
+	 * Assume caller check for port is in disable state
+	 */
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTENABLE);
+	bfa_port_set_dportenabled(&bfa->modules.port, BFA_TRUE);
+}
+
+void
+bfa_fcport_dportdisable(struct bfa_s *bfa)
+{
+	/*
+	 * Assume caller check for port is in disable state
+	 */
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTDISABLE);
+	bfa_port_set_dportenabled(&bfa->modules.port, BFA_FALSE);
+}
+
 /*
  * Rport State machine functions
  */
@@ -4707,6 +4963,21 @@ bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
 		bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
 		break;
 
+	case BFI_RPORT_I2H_LIP_SCN_ONLINE:
+		bfa_fcport_update_loop_info(BFA_FCPORT_MOD(bfa),
+				&msg.lip_scn->loop_info);
+		bfa_cb_rport_scn_online(bfa);
+		break;
+
+	case BFI_RPORT_I2H_LIP_SCN_OFFLINE:
+		bfa_cb_rport_scn_offline(bfa);
+		break;
+
+	case BFI_RPORT_I2H_NO_DEV:
+		rp = BFA_RPORT_FROM_TAG(bfa, msg.lip_scn->bfa_handle);
+		bfa_cb_rport_scn_no_dev(rp->rport_drv);
+		break;
+
 	default:
 		bfa_trc(bfa, m->mhdr.msg_id);
 		WARN_ON(1);
@@ -5348,6 +5619,37 @@ bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw)
 }
 
 /*
+ *	Dport forward declaration
+ */
+
+/*
+ * BFA DPORT state machine events
+ */
+enum bfa_dport_sm_event {
+	BFA_DPORT_SM_ENABLE	= 1,	/* dport enable event         */
+	BFA_DPORT_SM_DISABLE    = 2,    /* dport disable event        */
+	BFA_DPORT_SM_FWRSP      = 3,    /* fw enable/disable rsp      */
+	BFA_DPORT_SM_QRESUME    = 4,    /* CQ space available         */
+	BFA_DPORT_SM_HWFAIL     = 5,    /* IOC h/w failure            */
+};
+
+static void bfa_dport_sm_disabled(struct bfa_dport_s *dport,
+				  enum bfa_dport_sm_event event);
+static void bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport,
+				  enum bfa_dport_sm_event event);
+static void bfa_dport_sm_enabling(struct bfa_dport_s *dport,
+				  enum bfa_dport_sm_event event);
+static void bfa_dport_sm_enabled(struct bfa_dport_s *dport,
+				 enum bfa_dport_sm_event event);
+static void bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport,
+				 enum bfa_dport_sm_event event);
+static void bfa_dport_sm_disabling(struct bfa_dport_s *dport,
+				   enum bfa_dport_sm_event event);
+static void bfa_dport_qresume(void *cbarg);
+static void bfa_dport_req_comp(struct bfa_dport_s *dport,
+			       bfi_diag_dport_rsp_t *msg);
+
+/*
  *	BFA fcdiag module
  */
 #define BFA_DIAG_QTEST_TOV	1000    /* msec */
@@ -5377,15 +5679,24 @@ bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 		struct bfa_pcidev_s *pcidev)
 {
 	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s  *dport = &fcdiag->dport;
+
 	fcdiag->bfa             = bfa;
 	fcdiag->trcmod  = bfa->trcmod;
 	/* The common DIAG attach bfa_diag_attach() will do all memory claim */
+	dport->bfa = bfa;
+	bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+	bfa_reqq_winit(&dport->reqq_wait, bfa_dport_qresume, dport);
+	dport->cbfn = NULL;
+	dport->cbarg = NULL;
 }
 
 static void
 bfa_fcdiag_iocdisable(struct bfa_s *bfa)
 {
 	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s *dport = &fcdiag->dport;
+
 	bfa_trc(fcdiag, fcdiag->lb.lock);
 	if (fcdiag->lb.lock) {
 		fcdiag->lb.status = BFA_STATUS_IOC_FAILURE;
@@ -5393,6 +5704,8 @@ bfa_fcdiag_iocdisable(struct bfa_s *bfa)
 		fcdiag->lb.lock = 0;
 		bfa_fcdiag_set_busy_status(fcdiag);
 	}
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_HWFAIL);
 }
 
 static void
@@ -5577,6 +5890,9 @@ bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg)
 	case BFI_DIAG_I2H_QTEST:
 		bfa_fcdiag_queuetest_comp(fcdiag, (bfi_diag_qtest_rsp_t *)msg);
 		break;
+	case BFI_DIAG_I2H_DPORT:
+		bfa_dport_req_comp(&fcdiag->dport, (bfi_diag_dport_rsp_t *)msg);
+		break;
 	default:
 		bfa_trc(fcdiag, msg->mhdr.msg_id);
 		WARN_ON(1);
@@ -5646,12 +5962,18 @@ bfa_fcdiag_loopback(struct bfa_s *bfa, enum bfa_port_opmode opmode,
 		}
 	}
 
+	/*
+	 * For CT2, 1G is not supported
+	 */
+	if ((speed == BFA_PORT_SPEED_1GBPS) &&
+	    (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id))) {
+		bfa_trc(fcdiag, speed);
+		return BFA_STATUS_UNSUPP_SPEED;
+	}
+
 	/* For Mezz card, port speed entered needs to be checked */
 	if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type)) {
 		if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
-			if ((speed == BFA_PORT_SPEED_1GBPS) &&
-			    (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)))
-				return BFA_STATUS_UNSUPP_SPEED;
 			if (!(speed == BFA_PORT_SPEED_1GBPS ||
 			      speed == BFA_PORT_SPEED_2GBPS ||
 			      speed == BFA_PORT_SPEED_4GBPS ||
@@ -5764,3 +6086,379 @@ bfa_fcdiag_lb_is_running(struct bfa_s *bfa)
 	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
 	return fcdiag->lb.lock ?  BFA_STATUS_DIAG_BUSY : BFA_STATUS_OK;
 }
+
+/*
+ *	D-port
+ */
+static bfa_boolean_t bfa_dport_send_req(struct bfa_dport_s *dport,
+					enum bfi_dport_req req);
+static void
+bfa_cb_fcdiag_dport(struct bfa_dport_s *dport, bfa_status_t bfa_status)
+{
+	if (dport->cbfn != NULL) {
+		dport->cbfn(dport->cbarg, bfa_status);
+		dport->cbfn = NULL;
+		dport->cbarg = NULL;
+	}
+}
+
+static void
+bfa_dport_sm_disabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_ENABLE:
+		bfa_fcport_dportenable(dport->bfa);
+		if (bfa_dport_send_req(dport, BFI_DPORT_ENABLE))
+			bfa_sm_set_state(dport, bfa_dport_sm_enabling);
+		else
+			bfa_sm_set_state(dport, bfa_dport_sm_enabling_qwait);
+		break;
+
+	case BFA_DPORT_SM_DISABLE:
+		/* Already disabled */
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		/* ignore */
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport,
+			    enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_QRESUME:
+		bfa_sm_set_state(dport, bfa_dport_sm_enabling);
+		bfa_dport_send_req(dport, BFI_DPORT_ENABLE);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_reqq_wcancel(&dport->reqq_wait);
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_enabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_FWRSP:
+		bfa_sm_set_state(dport, bfa_dport_sm_enabled);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_enabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_ENABLE:
+		/* Already enabled */
+		break;
+
+	case BFA_DPORT_SM_DISABLE:
+		bfa_fcport_dportdisable(dport->bfa);
+		if (bfa_dport_send_req(dport, BFI_DPORT_DISABLE))
+			bfa_sm_set_state(dport, bfa_dport_sm_disabling);
+		else
+			bfa_sm_set_state(dport, bfa_dport_sm_disabling_qwait);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport,
+			     enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_QRESUME:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabling);
+		bfa_dport_send_req(dport, BFI_DPORT_DISABLE);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_reqq_wcancel(&dport->reqq_wait);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+static void
+bfa_dport_sm_disabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
+{
+	bfa_trc(dport->bfa, event);
+
+	switch (event) {
+	case BFA_DPORT_SM_FWRSP:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		break;
+
+	case BFA_DPORT_SM_HWFAIL:
+		bfa_sm_set_state(dport, bfa_dport_sm_disabled);
+		bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
+		break;
+
+	default:
+		bfa_sm_fault(dport->bfa, event);
+	}
+}
+
+
+static bfa_boolean_t
+bfa_dport_send_req(struct bfa_dport_s *dport, enum bfi_dport_req req)
+{
+	struct bfi_diag_dport_req_s *m;
+
+	/*
+	 * Increment message tag before queue check, so that responses to old
+	 * requests are discarded.
+	 */
+	dport->msgtag++;
+
+	/*
+	 * check for room in queue to send request now
+	 */
+	m = bfa_reqq_next(dport->bfa, BFA_REQQ_DIAG);
+	if (!m) {
+		bfa_reqq_wait(dport->bfa, BFA_REQQ_PORT, &dport->reqq_wait);
+		return BFA_FALSE;
+	}
+
+	bfi_h2i_set(m->mh, BFI_MC_DIAG, BFI_DIAG_H2I_DPORT,
+		    bfa_fn_lpu(dport->bfa));
+	m->req  = req;
+	m->msgtag = dport->msgtag;
+
+	/*
+	 * queue I/O message to firmware
+	 */
+	bfa_reqq_produce(dport->bfa, BFA_REQQ_DIAG, m->mh);
+
+	return BFA_TRUE;
+}
+
+static void
+bfa_dport_qresume(void *cbarg)
+{
+	struct bfa_dport_s *dport = cbarg;
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_QRESUME);
+}
+
+static void
+bfa_dport_req_comp(struct bfa_dport_s *dport, bfi_diag_dport_rsp_t *msg)
+{
+	bfa_sm_send_event(dport, BFA_DPORT_SM_FWRSP);
+	bfa_cb_fcdiag_dport(dport, msg->status);
+}
+
+/*
+ * Dport enable
+ *
+ * @param[in] *bfa            - bfa data struct
+ */
+bfa_status_t
+bfa_dport_enable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, void *cbarg)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s  *dport = &fcdiag->dport;
+
+	/*
+	 * Dport is not support in MEZZ card
+	 */
+	if (bfa_mfg_is_mezz(dport->bfa->ioc.attr->card_type)) {
+		bfa_trc(dport->bfa, BFA_STATUS_PBC);
+		return BFA_STATUS_CMD_NOTSUPP_MEZZ;
+	}
+
+	/*
+	 * Check to see if IOC is down
+	*/
+	if (!bfa_iocfc_is_operational(bfa))
+		return BFA_STATUS_IOC_NON_OP;
+
+	/* if port is PBC disabled, return error */
+	if (bfa_fcport_is_pbcdisabled(bfa)) {
+		bfa_trc(dport->bfa, BFA_STATUS_PBC);
+		return BFA_STATUS_PBC;
+	}
+
+	/*
+	 * Check if port mode is FC port
+	 */
+	if (bfa_ioc_get_type(&bfa->ioc) != BFA_IOC_TYPE_FC) {
+		bfa_trc(dport->bfa, bfa_ioc_get_type(&bfa->ioc));
+		return BFA_STATUS_CMD_NOTSUPP_CNA;
+	}
+
+	/*
+	 * Check if port is in LOOP mode
+	 */
+	if ((bfa_fcport_get_cfg_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) ||
+	    (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_TOPOLOGY_LOOP;
+	}
+
+	/*
+	 * Check if port is TRUNK mode
+	 */
+	if (bfa_fcport_is_trunk_enabled(bfa)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_ERROR_TRUNK_ENABLED;
+	}
+
+	/*
+	 * Check to see if port is disable or in dport state
+	 */
+	if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) &&
+	    (bfa_fcport_is_dport(bfa) == BFA_FALSE)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_PORT_NOT_DISABLED;
+	}
+
+	/*
+	 * Check if dport is busy
+	 */
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabling) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_enabling_qwait) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_disabling) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_disabling_qwait)) {
+		return BFA_STATUS_DEVBUSY;
+	}
+
+	/*
+	 * Check if dport is already enabled
+	 */
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_DPORT_ENABLED;
+	}
+
+	dport->cbfn = cbfn;
+	dport->cbarg = cbarg;
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_ENABLE);
+	return BFA_STATUS_OK;
+}
+
+/*
+ *	Dport disable
+ *
+ *	@param[in] *bfa            - bfa data struct
+ */
+bfa_status_t
+bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, void *cbarg)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s *dport = &fcdiag->dport;
+
+	if (bfa_ioc_is_disabled(&bfa->ioc))
+		return BFA_STATUS_IOC_DISABLED;
+
+	/* if port is PBC disabled, return error */
+	if (bfa_fcport_is_pbcdisabled(bfa)) {
+		bfa_trc(dport->bfa, BFA_STATUS_PBC);
+		return BFA_STATUS_PBC;
+	}
+
+	/*
+	 * Check to see if port is disable or in dport state
+	 */
+	if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) &&
+	    (bfa_fcport_is_dport(bfa) == BFA_FALSE)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_PORT_NOT_DISABLED;
+	}
+
+	/*
+	 * Check if dport is busy
+	 */
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabling) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_enabling_qwait) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_disabling) ||
+	    bfa_sm_cmp_state(dport, bfa_dport_sm_disabling_qwait))
+		return BFA_STATUS_DEVBUSY;
+
+	/*
+	 * Check if dport is already disabled
+	 */
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_disabled)) {
+		bfa_trc(dport->bfa, 0);
+		return BFA_STATUS_DPORT_DISABLED;
+	}
+
+	dport->cbfn = cbfn;
+	dport->cbarg = cbarg;
+
+	bfa_sm_send_event(dport, BFA_DPORT_SM_DISABLE);
+	return BFA_STATUS_OK;
+}
+
+/*
+ *	Get D-port state
+ *
+ * @param[in] *bfa            - bfa data struct
+ */
+
+bfa_status_t
+bfa_dport_get_state(struct bfa_s *bfa, enum bfa_dport_state *state)
+{
+	struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
+	struct bfa_dport_s *dport = &fcdiag->dport;
+
+	if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabled))
+		*state = BFA_DPORT_ST_ENABLED;
+	else if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabling) ||
+		 bfa_sm_cmp_state(dport, bfa_dport_sm_enabling_qwait))
+		*state = BFA_DPORT_ST_ENABLING;
+	else if (bfa_sm_cmp_state(dport, bfa_dport_sm_disabled))
+		*state = BFA_DPORT_ST_DISABLED;
+	else if (bfa_sm_cmp_state(dport, bfa_dport_sm_disabling) ||
+		 bfa_sm_cmp_state(dport, bfa_dport_sm_disabling_qwait))
+		*state = BFA_DPORT_ST_DISABLING;
+	else {
+		bfa_trc(dport->bfa, BFA_STATUS_EINVAL);
+		return BFA_STATUS_EINVAL;
+	}
+	return BFA_STATUS_OK;
+}
diff --git a/drivers/scsi/bfa/bfa_svc.h b/drivers/scsi/bfa/bfa_svc.h
index 1abcf7c5166..8d7fbecfcb2 100644
--- a/drivers/scsi/bfa/bfa_svc.h
+++ b/drivers/scsi/bfa/bfa_svc.h
@@ -474,8 +474,10 @@ struct bfa_fcport_s {
 	/*  supported speeds */
 	enum bfa_port_speed speed;	/*  current speed */
 	enum bfa_port_topology topology;	/*  current topology */
-	u8			myalpa;	/*  my ALPA in LOOP topology */
 	u8			rsvd[3];
+	u8			myalpa;	/*  my ALPA in LOOP topology */
+	u8			alpabm_valid; /* alpa bitmap valid or not */
+	struct fc_alpabm_s	alpabm;	/* alpa bitmap */
 	struct bfa_port_cfg_s	cfg;	/*  current port configuration */
 	bfa_boolean_t		use_flash_cfg; /* get port cfg from flash */
 	struct bfa_qos_attr_s  qos_attr;   /* QoS Attributes */
@@ -512,6 +514,7 @@ struct bfa_fcport_s {
 	struct bfa_fcport_trunk_s trunk;
 	u16		fcoe_vlan;
 	struct bfa_mem_dma_s	fcport_dma;
+	bfa_boolean_t		stats_dma_ready;
 };
 
 #define BFA_FCPORT_MOD(__bfa)	(&(__bfa)->modules.fcport)
@@ -534,6 +537,7 @@ enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);
 bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
 				     enum bfa_port_topology topo);
 enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa);
+enum bfa_port_topology bfa_fcport_get_cfg_topology(struct bfa_s *bfa);
 bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
 bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
 u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);
@@ -547,6 +551,9 @@ void bfa_fcport_event_register(struct bfa_s *bfa,
 			void (*event_cbfn) (void *cbarg,
 			enum bfa_port_linkstate event), void *event_cbarg);
 bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);
+bfa_boolean_t bfa_fcport_is_dport(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa,
+				   struct bfa_qos_bw_s *qos_bw);
 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
 
 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn);
@@ -560,6 +567,8 @@ bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,
 			struct bfa_cb_pending_q_s *cb);
 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);
 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);
+void bfa_fcport_dportenable(struct bfa_s *bfa);
+void bfa_fcport_dportdisable(struct bfa_s *bfa);
 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);
 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);
 
@@ -575,6 +584,9 @@ void bfa_cb_rport_offline(void *rport);
 void bfa_cb_rport_qos_scn_flowid(void *rport,
 				 struct bfa_rport_qos_attr_s old_qos_attr,
 				 struct bfa_rport_qos_attr_s new_qos_attr);
+void bfa_cb_rport_scn_online(struct bfa_s *bfa);
+void bfa_cb_rport_scn_offline(struct bfa_s *bfa);
+void bfa_cb_rport_scn_no_dev(void *rp);
 void bfa_cb_rport_qos_scn_prio(void *rport,
 			       struct bfa_rport_qos_attr_s old_qos_attr,
 			       struct bfa_rport_qos_attr_s new_qos_attr);
@@ -697,11 +709,21 @@ struct bfa_fcdiag_lb_s {
 	u32        status;
 };
 
+struct bfa_dport_s {
+	struct bfa_s	*bfa;		/* Back pointer to BFA	*/
+	bfa_sm_t	sm;		/* finite state machine */
+	u32		msgtag;		/* firmware msg tag for reply */
+	struct bfa_reqq_wait_s reqq_wait;
+	bfa_cb_diag_t	cbfn;
+	void		*cbarg;
+};
+
 struct bfa_fcdiag_s {
 	struct bfa_s    *bfa;           /* Back pointer to BFA */
 	struct bfa_trc_mod_s   *trcmod;
 	struct bfa_fcdiag_lb_s lb;
 	struct bfa_fcdiag_qtest_s qtest;
+	struct bfa_dport_s	dport;
 };
 
 #define BFA_FCDIAG_MOD(__bfa)	(&(__bfa)->modules.fcdiag)
@@ -717,5 +739,11 @@ bfa_status_t	bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,
 			u32 queue, struct bfa_diag_qtest_result_s *result,
 			bfa_cb_diag_t cbfn, void *cbarg);
 bfa_status_t	bfa_fcdiag_lb_is_running(struct bfa_s *bfa);
+bfa_status_t	bfa_dport_enable(struct bfa_s *bfa, bfa_cb_diag_t cbfn,
+				 void *cbarg);
+bfa_status_t	bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn,
+				  void *cbarg);
+bfa_status_t	bfa_dport_get_state(struct bfa_s *bfa,
+				    enum bfa_dport_state *state);
 
 #endif /* __BFA_SVC_H__ */
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index c37494916a1..895b0e516e0 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -63,9 +63,9 @@ int		max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
 u32	bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
 u32	*bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
 
-#define BFAD_FW_FILE_CB		"cbfw.bin"
-#define BFAD_FW_FILE_CT		"ctfw.bin"
-#define BFAD_FW_FILE_CT2	"ct2fw.bin"
+#define BFAD_FW_FILE_CB		"cbfw-3.1.0.0.bin"
+#define BFAD_FW_FILE_CT		"ctfw-3.1.0.0.bin"
+#define BFAD_FW_FILE_CT2	"ct2fw-3.1.0.0.bin"
 
 static u32 *bfad_load_fwimg(struct pci_dev *pdev);
 static void bfad_free_fwimg(void);
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index 0afa39076ce..555e7db94a1 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -33,7 +33,7 @@ bfad_iocmd_ioc_enable(struct bfad_s *bfad, void *cmd)
 	/* If IOC is not in disabled state - return */
 	if (!bfa_ioc_is_disabled(&bfad->bfa.ioc)) {
 		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
-		iocmd->status = BFA_STATUS_IOC_FAILURE;
+		iocmd->status = BFA_STATUS_OK;
 		return rc;
 	}
 
@@ -54,6 +54,12 @@ bfad_iocmd_ioc_disable(struct bfad_s *bfad, void *cmd)
 	unsigned long	flags;
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	if (bfa_ioc_is_disabled(&bfad->bfa.ioc)) {
+		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+		iocmd->status = BFA_STATUS_OK;
+		return rc;
+	}
+
 	if (bfad->disable_active) {
 		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 		return -EBUSY;
@@ -101,9 +107,10 @@ bfad_iocmd_ioc_get_info(struct bfad_s *bfad, void *cmd)
 
 	/* set adapter hw path */
 	strcpy(iocmd->adapter_hwpath, bfad->pci_name);
-	i = strlen(iocmd->adapter_hwpath) - 1;
-	while (iocmd->adapter_hwpath[i] != '.')
-		i--;
+	for (i = 0; iocmd->adapter_hwpath[i] != ':' && i < BFA_STRING_32; i++)
+		;
+	for (; iocmd->adapter_hwpath[++i] != ':' && i < BFA_STRING_32; )
+		;
 	iocmd->adapter_hwpath[i] = '\0';
 	iocmd->status = BFA_STATUS_OK;
 	return 0;
@@ -880,6 +887,19 @@ out:
 }
 
 int
+bfad_iocmd_qos_set_bw(struct bfad_s *bfad, void *pcmd)
+{
+	struct bfa_bsg_qos_bw_s *iocmd = (struct bfa_bsg_qos_bw_s *)pcmd;
+	unsigned long	flags;
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_fcport_set_qos_bw(&bfad->bfa, &iocmd->qos_bw);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	return 0;
+}
+
+int
 bfad_iocmd_ratelim(struct bfad_s *bfad, unsigned int cmd, void *pcmd)
 {
 	struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)pcmd;
@@ -888,16 +908,22 @@ bfad_iocmd_ratelim(struct bfad_s *bfad, unsigned int cmd, void *pcmd)
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 
-	if (cmd == IOCMD_RATELIM_ENABLE)
-		fcport->cfg.ratelimit = BFA_TRUE;
-	else if (cmd == IOCMD_RATELIM_DISABLE)
-		fcport->cfg.ratelimit = BFA_FALSE;
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+		iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+	else {
+		if (cmd == IOCMD_RATELIM_ENABLE)
+			fcport->cfg.ratelimit = BFA_TRUE;
+		else if (cmd == IOCMD_RATELIM_DISABLE)
+			fcport->cfg.ratelimit = BFA_FALSE;
 
-	if (fcport->cfg.trl_def_speed == BFA_PORT_SPEED_UNKNOWN)
-		fcport->cfg.trl_def_speed = BFA_PORT_SPEED_1GBPS;
+		if (fcport->cfg.trl_def_speed == BFA_PORT_SPEED_UNKNOWN)
+			fcport->cfg.trl_def_speed = BFA_PORT_SPEED_1GBPS;
+
+		iocmd->status = BFA_STATUS_OK;
+	}
 
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
-	iocmd->status = BFA_STATUS_OK;
 
 	return 0;
 }
@@ -919,8 +945,13 @@ bfad_iocmd_ratelim_speed(struct bfad_s *bfad, unsigned int cmd, void *pcmd)
 		return 0;
 	}
 
-	fcport->cfg.trl_def_speed = iocmd->speed;
-	iocmd->status = BFA_STATUS_OK;
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+		iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+	else {
+		fcport->cfg.trl_def_speed = iocmd->speed;
+		iocmd->status = BFA_STATUS_OK;
+	}
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
 	return 0;
@@ -1167,8 +1198,8 @@ bfad_iocmd_pcifn_create(struct bfad_s *bfad, void *cmd)
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_ablk_pf_create(&bfad->bfa.modules.ablk,
 				&iocmd->pcifn_id, iocmd->port,
-				iocmd->pcifn_class, iocmd->bandwidth,
-				bfad_hcb_comp, &fcomp);
+				iocmd->pcifn_class, iocmd->bw_min,
+				iocmd->bw_max, bfad_hcb_comp, &fcomp);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 	if (iocmd->status != BFA_STATUS_OK)
 		goto out;
@@ -1211,8 +1242,8 @@ bfad_iocmd_pcifn_bw(struct bfad_s *bfad, void *cmd)
 	init_completion(&fcomp.comp);
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_ablk_pf_update(&bfad->bfa.modules.ablk,
-				iocmd->pcifn_id, iocmd->bandwidth,
-				bfad_hcb_comp, &fcomp);
+				iocmd->pcifn_id, iocmd->bw_min,
+				iocmd->bw_max, bfad_hcb_comp, &fcomp);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 	bfa_trc(bfad, iocmd->status);
 	if (iocmd->status != BFA_STATUS_OK)
@@ -1736,6 +1767,52 @@ bfad_iocmd_diag_lb_stat(struct bfad_s *bfad, void *cmd)
 }
 
 int
+bfad_iocmd_diag_cfg_dport(struct bfad_s *bfad, unsigned int cmd, void *pcmd)
+{
+	struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)pcmd;
+	unsigned long	flags;
+	struct bfad_hal_comp fcomp;
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	if (cmd == IOCMD_DIAG_DPORT_ENABLE)
+		iocmd->status = bfa_dport_enable(&bfad->bfa,
+					bfad_hcb_comp, &fcomp);
+	else if (cmd == IOCMD_DIAG_DPORT_DISABLE)
+		iocmd->status = bfa_dport_disable(&bfad->bfa,
+					bfad_hcb_comp, &fcomp);
+	else {
+		bfa_trc(bfad, 0);
+		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+		return -EINVAL;
+	}
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	if (iocmd->status != BFA_STATUS_OK)
+		bfa_trc(bfad, iocmd->status);
+	else {
+		wait_for_completion(&fcomp.comp);
+		iocmd->status = fcomp.status;
+	}
+
+	return 0;
+}
+
+int
+bfad_iocmd_diag_dport_get_state(struct bfad_s *bfad, void *pcmd)
+{
+	struct bfa_bsg_diag_dport_get_state_s *iocmd =
+			(struct bfa_bsg_diag_dport_get_state_s *)pcmd;
+	unsigned long	flags;
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_dport_get_state(&bfad->bfa, &iocmd->state);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	return 0;
+}
+
+int
 bfad_iocmd_phy_get_attr(struct bfad_s *bfad, void *cmd)
 {
 	struct bfa_bsg_phy_attr_s *iocmd =
@@ -2052,7 +2129,7 @@ bfad_iocmd_boot_cfg(struct bfad_s *bfad, void *cmd)
 	init_completion(&fcomp.comp);
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_flash_update_part(BFA_FLASH(&bfad->bfa),
-			BFA_FLASH_PART_BOOT, PCI_FUNC(bfad->pcidev->devfn),
+			BFA_FLASH_PART_BOOT, bfad->bfa.ioc.port_id,
 			&iocmd->cfg, sizeof(struct bfa_boot_cfg_s), 0,
 			bfad_hcb_comp, &fcomp);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
@@ -2074,7 +2151,7 @@ bfad_iocmd_boot_query(struct bfad_s *bfad, void *cmd)
 	init_completion(&fcomp.comp);
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_flash_read_part(BFA_FLASH(&bfad->bfa),
-			BFA_FLASH_PART_BOOT, PCI_FUNC(bfad->pcidev->devfn),
+			BFA_FLASH_PART_BOOT, bfad->bfa.ioc.port_id,
 			&iocmd->cfg, sizeof(struct bfa_boot_cfg_s), 0,
 			bfad_hcb_comp, &fcomp);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
@@ -2161,22 +2238,31 @@ bfad_iocmd_cfg_trunk(struct bfad_s *bfad, void *cmd, unsigned int v_cmd)
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 
-	if (v_cmd == IOCMD_TRUNK_ENABLE) {
-		trunk->attr.state = BFA_TRUNK_OFFLINE;
-		bfa_fcport_disable(&bfad->bfa);
-		fcport->cfg.trunked = BFA_TRUE;
-	} else if (v_cmd == IOCMD_TRUNK_DISABLE) {
-		trunk->attr.state = BFA_TRUNK_DISABLED;
-		bfa_fcport_disable(&bfad->bfa);
-		fcport->cfg.trunked = BFA_FALSE;
-	}
+	if (bfa_fcport_is_dport(&bfad->bfa))
+		return BFA_STATUS_DPORT_ERR;
 
-	if (!bfa_fcport_is_disabled(&bfad->bfa))
-		bfa_fcport_enable(&bfad->bfa);
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) ||
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+		iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+	else {
+		if (v_cmd == IOCMD_TRUNK_ENABLE) {
+			trunk->attr.state = BFA_TRUNK_OFFLINE;
+			bfa_fcport_disable(&bfad->bfa);
+			fcport->cfg.trunked = BFA_TRUE;
+		} else if (v_cmd == IOCMD_TRUNK_DISABLE) {
+			trunk->attr.state = BFA_TRUNK_DISABLED;
+			bfa_fcport_disable(&bfad->bfa);
+			fcport->cfg.trunked = BFA_FALSE;
+		}
+
+		if (!bfa_fcport_is_disabled(&bfad->bfa))
+			bfa_fcport_enable(&bfad->bfa);
+
+		iocmd->status = BFA_STATUS_OK;
+	}
 
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
-	iocmd->status = BFA_STATUS_OK;
 	return 0;
 }
 
@@ -2189,12 +2275,17 @@ bfad_iocmd_trunk_get_attr(struct bfad_s *bfad, void *cmd)
 	unsigned long	flags;
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
-	memcpy((void *)&iocmd->attr, (void *)&trunk->attr,
-		sizeof(struct bfa_trunk_attr_s));
-	iocmd->attr.port_id = bfa_lps_get_base_pid(&bfad->bfa);
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) ||
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+		iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+	else {
+		memcpy((void *)&iocmd->attr, (void *)&trunk->attr,
+			sizeof(struct bfa_trunk_attr_s));
+		iocmd->attr.port_id = bfa_lps_get_base_pid(&bfad->bfa);
+		iocmd->status = BFA_STATUS_OK;
+	}
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
-	iocmd->status = BFA_STATUS_OK;
 	return 0;
 }
 
@@ -2207,14 +2298,22 @@ bfad_iocmd_qos(struct bfad_s *bfad, void *cmd, unsigned int v_cmd)
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	if (bfa_ioc_get_type(&bfad->bfa.ioc) == BFA_IOC_TYPE_FC) {
-		if (v_cmd == IOCMD_QOS_ENABLE)
-			fcport->cfg.qos_enabled = BFA_TRUE;
-		else if (v_cmd == IOCMD_QOS_DISABLE)
-			fcport->cfg.qos_enabled = BFA_FALSE;
+		if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+			iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+		else {
+			if (v_cmd == IOCMD_QOS_ENABLE)
+				fcport->cfg.qos_enabled = BFA_TRUE;
+			else if (v_cmd == IOCMD_QOS_DISABLE) {
+				fcport->cfg.qos_enabled = BFA_FALSE;
+				fcport->cfg.qos_bw.high = BFA_QOS_BW_HIGH;
+				fcport->cfg.qos_bw.med = BFA_QOS_BW_MED;
+				fcport->cfg.qos_bw.low = BFA_QOS_BW_LOW;
+			}
+		}
 	}
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
-	iocmd->status = BFA_STATUS_OK;
 	return 0;
 }
 
@@ -2226,11 +2325,21 @@ bfad_iocmd_qos_get_attr(struct bfad_s *bfad, void *cmd)
 	unsigned long	flags;
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
-	iocmd->attr.state = fcport->qos_attr.state;
-	iocmd->attr.total_bb_cr = be32_to_cpu(fcport->qos_attr.total_bb_cr);
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+		iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+	else {
+		iocmd->attr.state = fcport->qos_attr.state;
+		iocmd->attr.total_bb_cr =
+			be32_to_cpu(fcport->qos_attr.total_bb_cr);
+		iocmd->attr.qos_bw.high = fcport->cfg.qos_bw.high;
+		iocmd->attr.qos_bw.med = fcport->cfg.qos_bw.med;
+		iocmd->attr.qos_bw.low = fcport->cfg.qos_bw.low;
+		iocmd->attr.qos_bw_op = fcport->qos_attr.qos_bw_op;
+		iocmd->status = BFA_STATUS_OK;
+	}
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
-	iocmd->status = BFA_STATUS_OK;
 	return 0;
 }
 
@@ -2274,6 +2383,7 @@ bfad_iocmd_qos_get_stats(struct bfad_s *bfad, void *cmd)
 	struct bfad_hal_comp fcomp;
 	unsigned long	flags;
 	struct bfa_cb_pending_q_s cb_qe;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
 
 	init_completion(&fcomp.comp);
 	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
@@ -2281,7 +2391,11 @@ bfad_iocmd_qos_get_stats(struct bfad_s *bfad, void *cmd)
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
-	iocmd->status = bfa_fcport_get_stats(&bfad->bfa, &cb_qe);
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+		iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+	else
+		iocmd->status = bfa_fcport_get_stats(&bfad->bfa, &cb_qe);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 	if (iocmd->status != BFA_STATUS_OK) {
 		bfa_trc(bfad, iocmd->status);
@@ -2300,6 +2414,7 @@ bfad_iocmd_qos_reset_stats(struct bfad_s *bfad, void *cmd)
 	struct bfad_hal_comp fcomp;
 	unsigned long	flags;
 	struct bfa_cb_pending_q_s cb_qe;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
 
 	init_completion(&fcomp.comp);
 	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
@@ -2307,7 +2422,11 @@ bfad_iocmd_qos_reset_stats(struct bfad_s *bfad, void *cmd)
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
-	iocmd->status = bfa_fcport_clear_stats(&bfad->bfa, &cb_qe);
+	if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
+		(fcport->topology == BFA_PORT_TOPOLOGY_LOOP))
+		iocmd->status = BFA_STATUS_TOPOLOGY_LOOP;
+	else
+		iocmd->status = bfa_fcport_clear_stats(&bfad->bfa, &cb_qe);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 	if (iocmd->status != BFA_STATUS_OK) {
 		bfa_trc(bfad, iocmd->status);
@@ -2435,6 +2554,139 @@ bfad_iocmd_fcpim_cfg_lunmask(struct bfad_s *bfad, void *cmd, unsigned int v_cmd)
 	return 0;
 }
 
+int
+bfad_iocmd_fcpim_throttle_query(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_fcpim_throttle_s *iocmd =
+			(struct bfa_bsg_fcpim_throttle_s *)cmd;
+	unsigned long   flags;
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_fcpim_throttle_get(&bfad->bfa,
+				(void *)&iocmd->throttle);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	return 0;
+}
+
+int
+bfad_iocmd_fcpim_throttle_set(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_fcpim_throttle_s *iocmd =
+			(struct bfa_bsg_fcpim_throttle_s *)cmd;
+	unsigned long	flags;
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_fcpim_throttle_set(&bfad->bfa,
+				iocmd->throttle.cfg_value);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	return 0;
+}
+
+int
+bfad_iocmd_tfru_read(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_tfru_s *iocmd =
+			(struct bfa_bsg_tfru_s *)cmd;
+	struct bfad_hal_comp fcomp;
+	unsigned long flags = 0;
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_tfru_read(BFA_FRU(&bfad->bfa),
+				&iocmd->data, iocmd->len, iocmd->offset,
+				bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status == BFA_STATUS_OK) {
+		wait_for_completion(&fcomp.comp);
+		iocmd->status = fcomp.status;
+	}
+
+	return 0;
+}
+
+int
+bfad_iocmd_tfru_write(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_tfru_s *iocmd =
+			(struct bfa_bsg_tfru_s *)cmd;
+	struct bfad_hal_comp fcomp;
+	unsigned long flags = 0;
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_tfru_write(BFA_FRU(&bfad->bfa),
+				&iocmd->data, iocmd->len, iocmd->offset,
+				bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status == BFA_STATUS_OK) {
+		wait_for_completion(&fcomp.comp);
+		iocmd->status = fcomp.status;
+	}
+
+	return 0;
+}
+
+int
+bfad_iocmd_fruvpd_read(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_fruvpd_s *iocmd =
+			(struct bfa_bsg_fruvpd_s *)cmd;
+	struct bfad_hal_comp fcomp;
+	unsigned long flags = 0;
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_fruvpd_read(BFA_FRU(&bfad->bfa),
+				&iocmd->data, iocmd->len, iocmd->offset,
+				bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status == BFA_STATUS_OK) {
+		wait_for_completion(&fcomp.comp);
+		iocmd->status = fcomp.status;
+	}
+
+	return 0;
+}
+
+int
+bfad_iocmd_fruvpd_update(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_fruvpd_s *iocmd =
+			(struct bfa_bsg_fruvpd_s *)cmd;
+	struct bfad_hal_comp fcomp;
+	unsigned long flags = 0;
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_fruvpd_update(BFA_FRU(&bfad->bfa),
+				&iocmd->data, iocmd->len, iocmd->offset,
+				bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status == BFA_STATUS_OK) {
+		wait_for_completion(&fcomp.comp);
+		iocmd->status = fcomp.status;
+	}
+
+	return 0;
+}
+
+int
+bfad_iocmd_fruvpd_get_max_size(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_fruvpd_max_size_s *iocmd =
+			(struct bfa_bsg_fruvpd_max_size_s *)cmd;
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_fruvpd_get_max_size(BFA_FRU(&bfad->bfa),
+						&iocmd->max_size);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+	return 0;
+}
+
 static int
 bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
 		unsigned int payload_len)
@@ -2660,6 +2912,13 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
 	case IOCMD_DIAG_LB_STAT:
 		rc = bfad_iocmd_diag_lb_stat(bfad, iocmd);
 		break;
+	case IOCMD_DIAG_DPORT_ENABLE:
+	case IOCMD_DIAG_DPORT_DISABLE:
+		rc = bfad_iocmd_diag_cfg_dport(bfad, cmd, iocmd);
+		break;
+	case IOCMD_DIAG_DPORT_GET_STATE:
+		rc = bfad_iocmd_diag_dport_get_state(bfad, iocmd);
+		break;
 	case IOCMD_PHY_GET_ATTR:
 		rc = bfad_iocmd_phy_get_attr(bfad, iocmd);
 		break;
@@ -2741,6 +3000,9 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
 	case IOCMD_QOS_RESET_STATS:
 		rc = bfad_iocmd_qos_reset_stats(bfad, iocmd);
 		break;
+	case IOCMD_QOS_SET_BW:
+		rc = bfad_iocmd_qos_set_bw(bfad, iocmd);
+		break;
 	case IOCMD_VF_GET_STATS:
 		rc = bfad_iocmd_vf_get_stats(bfad, iocmd);
 		break;
@@ -2759,6 +3021,29 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
 	case IOCMD_FCPIM_LUNMASK_DELETE:
 		rc = bfad_iocmd_fcpim_cfg_lunmask(bfad, iocmd, cmd);
 		break;
+	case IOCMD_FCPIM_THROTTLE_QUERY:
+		rc = bfad_iocmd_fcpim_throttle_query(bfad, iocmd);
+		break;
+	case IOCMD_FCPIM_THROTTLE_SET:
+		rc = bfad_iocmd_fcpim_throttle_set(bfad, iocmd);
+		break;
+	/* TFRU */
+	case IOCMD_TFRU_READ:
+		rc = bfad_iocmd_tfru_read(bfad, iocmd);
+		break;
+	case IOCMD_TFRU_WRITE:
+		rc = bfad_iocmd_tfru_write(bfad, iocmd);
+		break;
+	/* FRU */
+	case IOCMD_FRUVPD_READ:
+		rc = bfad_iocmd_fruvpd_read(bfad, iocmd);
+		break;
+	case IOCMD_FRUVPD_UPDATE:
+		rc = bfad_iocmd_fruvpd_update(bfad, iocmd);
+		break;
+	case IOCMD_FRUVPD_GET_MAX_SIZE:
+		rc = bfad_iocmd_fruvpd_get_max_size(bfad, iocmd);
+		break;
 	default:
 		rc = -EINVAL;
 		break;
diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h
index 8c569ddb750..15e1fc8e796 100644
--- a/drivers/scsi/bfa/bfad_bsg.h
+++ b/drivers/scsi/bfa/bfad_bsg.h
@@ -141,6 +141,17 @@ enum {
 	IOCMD_FCPIM_LUNMASK_QUERY,
 	IOCMD_FCPIM_LUNMASK_ADD,
 	IOCMD_FCPIM_LUNMASK_DELETE,
+	IOCMD_DIAG_DPORT_ENABLE,
+	IOCMD_DIAG_DPORT_DISABLE,
+	IOCMD_DIAG_DPORT_GET_STATE,
+	IOCMD_QOS_SET_BW,
+	IOCMD_FCPIM_THROTTLE_QUERY,
+	IOCMD_FCPIM_THROTTLE_SET,
+	IOCMD_TFRU_READ,
+	IOCMD_TFRU_WRITE,
+	IOCMD_FRUVPD_READ,
+	IOCMD_FRUVPD_UPDATE,
+	IOCMD_FRUVPD_GET_MAX_SIZE,
 };
 
 struct bfa_bsg_gen_s {
@@ -463,7 +474,8 @@ struct bfa_bsg_pcifn_s {
 	bfa_status_t		status;
 	u16			bfad_num;
 	u16			pcifn_id;
-	u32			bandwidth;
+	u16			bw_min;
+	u16			bw_max;
 	u8			port;
 	enum bfi_pcifn_class	pcifn_class;
 	u8			rsvd[1];
@@ -613,6 +625,13 @@ struct bfa_bsg_diag_lb_stat_s {
 	u16		rsvd;
 };
 
+struct bfa_bsg_diag_dport_get_state_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		rsvd;
+	enum bfa_dport_state state;
+};
+
 struct bfa_bsg_phy_attr_s {
 	bfa_status_t	status;
 	u16	bfad_num;
@@ -694,6 +713,13 @@ struct bfa_bsg_qos_vc_attr_s {
 	struct bfa_qos_vc_attr_s attr;
 };
 
+struct bfa_bsg_qos_bw_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		rsvd;
+	struct bfa_qos_bw_s qos_bw;
+};
+
 struct bfa_bsg_vf_stats_s {
 	bfa_status_t	status;
 	u16		bfad_num;
@@ -722,6 +748,41 @@ struct bfa_bsg_fcpim_lunmask_s {
 	struct scsi_lun	lun;
 };
 
+struct bfa_bsg_fcpim_throttle_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		vf_id;
+	struct bfa_defs_fcpim_throttle_s throttle;
+};
+
+#define BFA_TFRU_DATA_SIZE		64
+#define BFA_MAX_FRUVPD_TRANSFER_SIZE	0x1000
+
+struct bfa_bsg_tfru_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		rsvd;
+	u32		offset;
+	u32		len;
+	u8		data[BFA_TFRU_DATA_SIZE];
+};
+
+struct bfa_bsg_fruvpd_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		rsvd;
+	u32		offset;
+	u32		len;
+	u8		data[BFA_MAX_FRUVPD_TRANSFER_SIZE];
+};
+
+struct bfa_bsg_fruvpd_max_size_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		rsvd;
+	u32		max_size;
+};
+
 struct bfa_bsg_fcpt_s {
 	bfa_status_t    status;
 	u16		vf_id;
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index 1840651ce1d..0c64a04f01f 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -57,7 +57,7 @@
 #ifdef BFA_DRIVER_VERSION
 #define BFAD_DRIVER_VERSION    BFA_DRIVER_VERSION
 #else
-#define BFAD_DRIVER_VERSION    "3.1.2.0"
+#define BFAD_DRIVER_VERSION    "3.1.2.1"
 #endif
 
 #define BFAD_PROTO_NAME FCPI_NAME
diff --git a/drivers/scsi/bfa/bfi.h b/drivers/scsi/bfa/bfi.h
index b2ba0b2e91b..57b146bca18 100644
--- a/drivers/scsi/bfa/bfi.h
+++ b/drivers/scsi/bfa/bfi.h
@@ -210,7 +210,8 @@ enum bfi_mclass {
 	BFI_MC_PORT		= 21,	/*  Physical port		    */
 	BFI_MC_SFP		= 22,	/*  SFP module	*/
 	BFI_MC_PHY		= 25,   /*  External PHY message class	*/
-	BFI_MC_MAX		= 32
+	BFI_MC_FRU		= 34,
+	BFI_MC_MAX		= 35
 };
 
 #define BFI_IOC_MAX_CQS		4
@@ -288,6 +289,9 @@ struct bfi_ioc_attr_s {
 	char		optrom_version[BFA_VERSION_LEN];
 	struct		bfa_mfg_vpd_s	vpd;
 	u32	card_type;	/*  card type			*/
+	u8	mfg_day;	/* manufacturing day */
+	u8	mfg_month;	/* manufacturing month */
+	u16	mfg_year;	/* manufacturing year */
 };
 
 /*
@@ -687,7 +691,8 @@ struct bfi_ablk_h2i_pf_req_s {
 	u8			pcifn;
 	u8			port;
 	u16			pers;
-	u32			bw;
+	u16			bw_min; /* percent BW @ max speed */
+	u16			bw_max; /* percent BW @ max speed */
 };
 
 /* BFI_ABLK_H2I_OPTROM_ENABLE, BFI_ABLK_H2I_OPTROM_DISABLE */
@@ -957,6 +962,7 @@ enum bfi_diag_h2i {
 	BFI_DIAG_H2I_TEMPSENSOR = 4,
 	BFI_DIAG_H2I_LEDTEST = 5,
 	BFI_DIAG_H2I_QTEST      = 6,
+	BFI_DIAG_H2I_DPORT	= 7,
 };
 
 enum bfi_diag_i2h {
@@ -966,6 +972,7 @@ enum bfi_diag_i2h {
 	BFI_DIAG_I2H_TEMPSENSOR = BFA_I2HM(BFI_DIAG_H2I_TEMPSENSOR),
 	BFI_DIAG_I2H_LEDTEST = BFA_I2HM(BFI_DIAG_H2I_LEDTEST),
 	BFI_DIAG_I2H_QTEST      = BFA_I2HM(BFI_DIAG_H2I_QTEST),
+	BFI_DIAG_I2H_DPORT	= BFA_I2HM(BFI_DIAG_H2I_DPORT),
 };
 
 #define BFI_DIAG_MAX_SGES	2
@@ -1052,6 +1059,23 @@ struct bfi_diag_qtest_req_s {
 #define bfi_diag_qtest_rsp_t struct bfi_diag_qtest_req_s
 
 /*
+ *	D-port test
+ */
+enum bfi_dport_req {
+	BFI_DPORT_DISABLE	= 0,	/* disable dport request	*/
+	BFI_DPORT_ENABLE	= 1,	/* enable dport request		*/
+};
+
+struct bfi_diag_dport_req_s {
+	struct bfi_mhdr_s	mh;	/* 4 bytes                      */
+	u8			req;    /* request 1: enable 0: disable */
+	u8			status; /* reply status			*/
+	u8			rsvd[2];
+	u32			msgtag; /* msgtag for reply		*/
+};
+#define bfi_diag_dport_rsp_t struct bfi_diag_dport_req_s
+
+/*
  *	PHY module specific
  */
 enum bfi_phy_h2i_msgs_e {
@@ -1147,6 +1171,50 @@ struct bfi_phy_write_rsp_s {
 	u32			length;
 };
 
+enum bfi_fru_h2i_msgs {
+	BFI_FRUVPD_H2I_WRITE_REQ = 1,
+	BFI_FRUVPD_H2I_READ_REQ = 2,
+	BFI_TFRU_H2I_WRITE_REQ = 3,
+	BFI_TFRU_H2I_READ_REQ = 4,
+};
+
+enum bfi_fru_i2h_msgs {
+	BFI_FRUVPD_I2H_WRITE_RSP = BFA_I2HM(1),
+	BFI_FRUVPD_I2H_READ_RSP = BFA_I2HM(2),
+	BFI_TFRU_I2H_WRITE_RSP = BFA_I2HM(3),
+	BFI_TFRU_I2H_READ_RSP = BFA_I2HM(4),
+};
+
+/*
+ * FRU write request
+ */
+struct bfi_fru_write_req_s {
+	struct bfi_mhdr_s	mh;	/* Common msg header */
+	u8			last;
+	u8			rsv[3];
+	u32			offset;
+	u32			length;
+	struct bfi_alen_s	alen;
+};
+
+/*
+ * FRU read request
+ */
+struct bfi_fru_read_req_s {
+	struct bfi_mhdr_s	mh;	/* Common msg header */
+	u32			offset;
+	u32			length;
+	struct bfi_alen_s	alen;
+};
+
+/*
+ * FRU response
+ */
+struct bfi_fru_rsp_s {
+	struct bfi_mhdr_s	mh;	/* Common msg header */
+	u32			status;
+	u32			length;
+};
 #pragma pack()
 
 #endif /* __BFI_H__ */
diff --git a/drivers/scsi/bfa/bfi_ms.h b/drivers/scsi/bfa/bfi_ms.h
index d4220e13caf..5ae2c167b2c 100644
--- a/drivers/scsi/bfa/bfi_ms.h
+++ b/drivers/scsi/bfa/bfi_ms.h
@@ -426,6 +426,7 @@ struct bfi_lps_login_req_s {
 	u8		auth_en;
 	u8		lps_role;
 	u8		bb_scn;
+	u32		vvl_flag;
 };
 
 struct bfi_lps_login_rsp_s {
@@ -499,6 +500,9 @@ enum bfi_rport_i2h_msgs {
 	BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1),
 	BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2),
 	BFI_RPORT_I2H_QOS_SCN    = BFA_I2HM(3),
+	BFI_RPORT_I2H_LIP_SCN_ONLINE =	BFA_I2HM(4),
+	BFI_RPORT_I2H_LIP_SCN_OFFLINE = BFA_I2HM(5),
+	BFI_RPORT_I2H_NO_DEV	= BFA_I2HM(6),
 };
 
 struct bfi_rport_create_req_s {
@@ -551,6 +555,14 @@ struct bfi_rport_qos_scn_s {
 	struct bfa_rport_qos_attr_s new_qos_attr;  /* New QoS Attributes */
 };
 
+struct bfi_rport_lip_scn_s {
+	struct bfi_mhdr_s  mh;		/*!< common msg header	*/
+	u16	bfa_handle;	/*!< host rport handle	*/
+	u8		status;		/*!< scn online status	*/
+	u8		rsvd;
+	struct bfa_fcport_loop_info_s	loop_info;
+};
+
 union bfi_rport_h2i_msg_u {
 	struct bfi_msg_s		*msg;
 	struct bfi_rport_create_req_s	*create_req;
@@ -563,6 +575,7 @@ union bfi_rport_i2h_msg_u {
 	struct bfi_rport_create_rsp_s	*create_rsp;
 	struct bfi_rport_delete_rsp_s	*delete_rsp;
 	struct bfi_rport_qos_scn_s	*qos_scn_evt;
+	struct bfi_rport_lip_scn_s	*lip_scn;
 };
 
 /*
@@ -828,6 +841,7 @@ enum bfi_tskim_status {
 	 */
 	BFI_TSKIM_STS_TIMEOUT  = 10,	/*  TM request timedout	*/
 	BFI_TSKIM_STS_ABORTED  = 11,	/*  Aborted on host request */
+	BFI_TSKIM_STS_UTAG     = 12,	/*  unknown tag for request */
 };
 
 struct bfi_tskim_rsp_s {
diff --git a/drivers/scsi/bfa/bfi_reg.h b/drivers/scsi/bfa/bfi_reg.h
index ed5f159e186..99133bcf53f 100644
--- a/drivers/scsi/bfa/bfi_reg.h
+++ b/drivers/scsi/bfa/bfi_reg.h
@@ -338,6 +338,7 @@ enum {
 #define __A2T_AHB_LOAD			0x00000800
 #define __WGN_READY			0x00000400
 #define __GLBL_PF_VF_CFG_RDY		0x00000200
+#define CT2_NFC_STS_REG			0x00027410
 #define CT2_NFC_CSR_CLR_REG		0x00027420
 #define CT2_NFC_CSR_SET_REG		0x00027424
 #define __HALT_NFC_CONTROLLER		0x00000002
@@ -355,6 +356,8 @@ enum {
 	(CT2_CSI_MAC0_CONTROL_REG +	\
 	(__n) * (CT2_CSI_MAC1_CONTROL_REG - CT2_CSI_MAC0_CONTROL_REG))
 
+#define CT2_NFC_FLASH_STS_REG		0x00014834
+#define __FLASH_PLL_INIT_AND_RESET_IN_PROGRESS	0x00000020
 /*
  * Name semaphore registers based on usage
  */
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 078d262ac7c..666b7ac4475 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1643,7 +1643,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 	skb_reset_network_header(skb);
 	skb->mac_len = elen;
 	skb->protocol = htons(ETH_P_FCOE);
-	skb->priority = port->priority;
+	skb->priority = fcoe->priority;
 
 	if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
 	    fcoe->realdev->features & NETIF_F_HW_VLAN_TX) {
@@ -1917,7 +1917,6 @@ static int fcoe_dcb_app_notification(struct notifier_block *notifier,
 	struct fcoe_ctlr *ctlr;
 	struct fcoe_interface *fcoe;
 	struct net_device *netdev;
-	struct fcoe_port *port;
 	int prio;
 
 	if (entry->app.selector != DCB_APP_IDTYPE_ETHTYPE)
@@ -1946,10 +1945,8 @@ static int fcoe_dcb_app_notification(struct notifier_block *notifier,
 	    entry->app.protocol == ETH_P_FCOE)
 		ctlr->priority = prio;
 
-	if (entry->app.protocol == ETH_P_FCOE) {
-		port = lport_priv(ctlr->lp);
-		port->priority = prio;
-	}
+	if (entry->app.protocol == ETH_P_FCOE)
+		fcoe->priority = prio;
 
 	return NOTIFY_OK;
 }
@@ -2180,7 +2177,6 @@ static void fcoe_dcb_create(struct fcoe_interface *fcoe)
 	u8 fup, up;
 	struct net_device *netdev = fcoe->realdev;
 	struct fcoe_ctlr *ctlr = fcoe_to_ctlr(fcoe);
-	struct fcoe_port *port = lport_priv(ctlr->lp);
 	struct dcb_app app = {
 				.priority = 0,
 				.protocol = ETH_P_FCOE
@@ -2202,8 +2198,8 @@ static void fcoe_dcb_create(struct fcoe_interface *fcoe)
 			fup = dcb_getapp(netdev, &app);
 		}
 
-		port->priority = ffs(up) ? ffs(up) - 1 : 0;
-		ctlr->priority = ffs(fup) ? ffs(fup) - 1 : port->priority;
+		fcoe->priority = ffs(up) ? ffs(up) - 1 : 0;
+		ctlr->priority = ffs(fup) ? ffs(fup) - 1 : fcoe->priority;
 	}
 #endif
 }
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
index a624add4f8e..b42dc32cb5e 100644
--- a/drivers/scsi/fcoe/fcoe.h
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -71,6 +71,7 @@ do {                                                            	\
  * @oem:	      The offload exchange manager for all local port
  *		      instances associated with this port
  * @removed:	      Indicates fcoe interface removed from net device
+ * @priority:	      Priority for the FCoE packet (DCB)
  * This structure is 1:1 with a net device.
  */
 struct fcoe_interface {
@@ -81,6 +82,7 @@ struct fcoe_interface {
 	struct packet_type fip_packet_type;
 	struct fc_exch_mgr *oem;
 	u8	removed;
+	u8	priority;
 };
 
 #define fcoe_to_ctlr(x)						\
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 14243fa5f8e..fcb9d0b20ee 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -851,7 +851,8 @@ static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 			fc_rp_info = (struct fcp_resp_rsp_info *)(rp_ex + 1);
 			if (flags & FCP_RSP_LEN_VAL) {
 				respl = ntohl(rp_ex->fr_rsp_len);
-				if (respl != sizeof(*fc_rp_info))
+				if ((respl != FCP_RESP_RSP_INFO_LEN4) &&
+				    (respl != FCP_RESP_RSP_INFO_LEN8))
 					goto len_err;
 				if (fsp->wait_for_comp) {
 					/* Abuse cdb_status for rsp code */
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index a184c2443a6..69b59935b53 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -27,6 +27,8 @@
 
 struct lpfc_sli2_slim;
 
+#define ELX_MODEL_NAME_SIZE	80
+
 #define LPFC_PCI_DEV_LP		0x1
 #define LPFC_PCI_DEV_OC		0x2
 
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index b032562aa0d..ad16e54ac38 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -3935,6 +3935,12 @@ MODULE_PARM_DESC(lpfc_fcp_look_ahead, "Look ahead for completions");
 # 	- Only meaningful if BG is turned on (lpfc_enable_bg=1).
 #	- Allows you to ultimately specify which profiles to use
 #	- Default will result in registering capabilities for all profiles.
+#	- SHOST_DIF_TYPE1_PROTECTION	1
+#		HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection
+#	- SHOST_DIX_TYPE0_PROTECTION	8
+#		HBA supports DIX Type 0: Host to HBA protection only
+#	- SHOST_DIX_TYPE1_PROTECTION	16
+#		HBA supports DIX Type 1: Host to HBA  Type 1 protection
 #
 */
 unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION |
@@ -3947,7 +3953,7 @@ MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask");
 /*
 # lpfc_prot_guard: i
 #	- Bit mask of protection guard types to register with the SCSI mid-layer
-# 	- Guard types are currently either 1) IP checksum 2) T10-DIF CRC
+#	- Guard types are currently either 1) T10-DIF CRC 2) IP checksum
 #	- Allows you to ultimately specify which profiles to use
 #	- Default will result in registering capabilities for all guard types
 #
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index e470c489de0..4380a44000b 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -467,3 +467,4 @@ int lpfc_sli4_read_config(struct lpfc_hba *);
 void lpfc_sli4_node_prep(struct lpfc_hba *);
 int lpfc_sli4_xri_sgl_update(struct lpfc_hba *);
 void lpfc_free_sgl_list(struct lpfc_hba *, struct list_head *);
+uint32_t lpfc_sli_port_speed_get(struct lpfc_hba *);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index cfe533bc979..f19e9b6f9f1 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -809,6 +809,8 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	phba->fc_ratov = FF_DEF_RATOV;
 	rc = memcmp(&vport->fc_portname, &sp->portName,
 		    sizeof(vport->fc_portname));
+	memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm));
+
 	if (rc >= 0) {
 		/* This side will initiate the PLOGI */
 		spin_lock_irq(shost->host_lock);
@@ -3160,7 +3162,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 				retry = 1;
 				break;
 			}
-			if (cmd == ELS_CMD_PLOGI) {
+			if ((cmd == ELS_CMD_PLOGI) ||
+			    (cmd == ELS_CMD_PRLI)) {
 				delay = 1000;
 				maxretry = lpfc_max_els_tries + 1;
 				retry = 1;
@@ -3305,7 +3308,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			ndlp->nlp_prev_state = ndlp->nlp_state;
 			if (cmd == ELS_CMD_PRLI)
 				lpfc_nlp_set_state(vport, ndlp,
-					NLP_STE_REG_LOGIN_ISSUE);
+					NLP_STE_PRLI_ISSUE);
 			else
 				lpfc_nlp_set_state(vport, ndlp,
 					NLP_STE_NPR_NODE);
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index e9845d2ecf1..d7096ad94d3 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1506,9 +1506,10 @@ lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
 		}
 	}
 
-	/* If FCF not available return 0 */
+	/* FCF not valid/available or solicitation in progress */
 	if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) ||
-		!bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record))
+	    !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record) ||
+	    bf_get(lpfc_fcf_record_fcf_sol, new_fcf_record))
 		return 0;
 
 	if (!(phba->hba_flag & HBA_FIP_SUPPORT)) {
@@ -1842,6 +1843,7 @@ lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba,
 			"\tFCF_Index     : x%x\n"
 			"\tFCF_Avail     : x%x\n"
 			"\tFCF_Valid     : x%x\n"
+			"\tFCF_SOL       : x%x\n"
 			"\tFIP_Priority  : x%x\n"
 			"\tMAC_Provider  : x%x\n"
 			"\tLowest VLANID : x%x\n"
@@ -1852,6 +1854,7 @@ lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba,
 			bf_get(lpfc_fcf_record_fcf_index, fcf_record),
 			bf_get(lpfc_fcf_record_fcf_avail, fcf_record),
 			bf_get(lpfc_fcf_record_fcf_valid, fcf_record),
+			bf_get(lpfc_fcf_record_fcf_sol, fcf_record),
 			fcf_record->fip_priority,
 			bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record),
 			vlan_id,
@@ -2185,12 +2188,14 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 					       new_fcf_record));
 		lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
 				"2781 FCF (x%x) failed connection "
-				"list check: (x%x/x%x)\n",
+				"list check: (x%x/x%x/%x)\n",
 				bf_get(lpfc_fcf_record_fcf_index,
 				       new_fcf_record),
 				bf_get(lpfc_fcf_record_fcf_avail,
 				       new_fcf_record),
 				bf_get(lpfc_fcf_record_fcf_valid,
+				       new_fcf_record),
+				bf_get(lpfc_fcf_record_fcf_sol,
 				       new_fcf_record));
 		if ((phba->fcf.fcf_flag & FCF_IN_USE) &&
 		    lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec,
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 834b699cac7..2cdeb5434fb 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -1305,6 +1305,11 @@ struct lpfc_mbx_mq_create_ext {
 #define lpfc_mbx_mq_create_ext_async_evt_link_SHIFT	LPFC_TRAILER_CODE_LINK
 #define lpfc_mbx_mq_create_ext_async_evt_link_MASK	0x00000001
 #define lpfc_mbx_mq_create_ext_async_evt_link_WORD	async_evt_bmap
+#define LPFC_EVT_CODE_LINK_NO_LINK	0x0
+#define LPFC_EVT_CODE_LINK_10_MBIT	0x1
+#define LPFC_EVT_CODE_LINK_100_MBIT	0x2
+#define LPFC_EVT_CODE_LINK_1_GBIT	0x3
+#define LPFC_EVT_CODE_LINK_10_GBIT	0x4
 #define lpfc_mbx_mq_create_ext_async_evt_fip_SHIFT	LPFC_TRAILER_CODE_FCOE
 #define lpfc_mbx_mq_create_ext_async_evt_fip_MASK	0x00000001
 #define lpfc_mbx_mq_create_ext_async_evt_fip_WORD	async_evt_bmap
@@ -1314,6 +1319,13 @@ struct lpfc_mbx_mq_create_ext {
 #define lpfc_mbx_mq_create_ext_async_evt_fc_SHIFT	LPFC_TRAILER_CODE_FC
 #define lpfc_mbx_mq_create_ext_async_evt_fc_MASK	0x00000001
 #define lpfc_mbx_mq_create_ext_async_evt_fc_WORD	async_evt_bmap
+#define LPFC_EVT_CODE_FC_NO_LINK	0x0
+#define LPFC_EVT_CODE_FC_1_GBAUD	0x1
+#define LPFC_EVT_CODE_FC_2_GBAUD	0x2
+#define LPFC_EVT_CODE_FC_4_GBAUD	0x4
+#define LPFC_EVT_CODE_FC_8_GBAUD	0x8
+#define LPFC_EVT_CODE_FC_10_GBAUD	0xA
+#define LPFC_EVT_CODE_FC_16_GBAUD	0x10
 #define lpfc_mbx_mq_create_ext_async_evt_sli_SHIFT	LPFC_TRAILER_CODE_SLI
 #define lpfc_mbx_mq_create_ext_async_evt_sli_MASK	0x00000001
 #define lpfc_mbx_mq_create_ext_async_evt_sli_WORD	async_evt_bmap
@@ -1695,8 +1707,14 @@ struct fcf_record {
 #define lpfc_fcf_record_fc_map_2_MASK		0x000000FF
 #define lpfc_fcf_record_fc_map_2_WORD		word7
 #define lpfc_fcf_record_fcf_valid_SHIFT		24
-#define lpfc_fcf_record_fcf_valid_MASK		0x000000FF
+#define lpfc_fcf_record_fcf_valid_MASK		0x00000001
 #define lpfc_fcf_record_fcf_valid_WORD		word7
+#define lpfc_fcf_record_fcf_fc_SHIFT		25
+#define lpfc_fcf_record_fcf_fc_MASK		0x00000001
+#define lpfc_fcf_record_fcf_fc_WORD		word7
+#define lpfc_fcf_record_fcf_sol_SHIFT		31
+#define lpfc_fcf_record_fcf_sol_MASK		0x00000001
+#define lpfc_fcf_record_fcf_sol_WORD		word7
 	uint32_t word8;
 #define lpfc_fcf_record_fcf_index_SHIFT		0
 #define lpfc_fcf_record_fcf_index_MASK		0x0000FFFF
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 8a55a586dd6..7dc4218d9c4 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1892,8 +1892,10 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 		max_speed = 4;
 	else if (phba->lmt & LMT_2Gb)
 		max_speed = 2;
-	else
+	else if (phba->lmt & LMT_1Gb)
 		max_speed = 1;
+	else
+		max_speed = 0;
 
 	vp = &phba->vpd;
 
@@ -2078,9 +2080,13 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 	if (descp && descp[0] == '\0') {
 		if (oneConnect)
 			snprintf(descp, 255,
-				"Emulex OneConnect %s, %s Initiator, Port %s",
+				"Emulex OneConnect %s, %s Initiator %s",
 				m.name, m.function,
 				phba->Port);
+		else if (max_speed == 0)
+			snprintf(descp, 255,
+				"Emulex %s %s %s ",
+				m.name, m.bus, m.function);
 		else
 			snprintf(descp, 255,
 				"Emulex %s %d%s %s %s",
@@ -3502,6 +3508,119 @@ lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
 }
 
 /**
+ * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to get an SLI3 FC port's link speed in Mbps.
+ *
+ * Return: link speed in terms of Mbps.
+ **/
+uint32_t
+lpfc_sli_port_speed_get(struct lpfc_hba *phba)
+{
+	uint32_t link_speed;
+
+	if (!lpfc_is_link_up(phba))
+		return 0;
+
+	switch (phba->fc_linkspeed) {
+	case LPFC_LINK_SPEED_1GHZ:
+		link_speed = 1000;
+		break;
+	case LPFC_LINK_SPEED_2GHZ:
+		link_speed = 2000;
+		break;
+	case LPFC_LINK_SPEED_4GHZ:
+		link_speed = 4000;
+		break;
+	case LPFC_LINK_SPEED_8GHZ:
+		link_speed = 8000;
+		break;
+	case LPFC_LINK_SPEED_10GHZ:
+		link_speed = 10000;
+		break;
+	case LPFC_LINK_SPEED_16GHZ:
+		link_speed = 16000;
+		break;
+	default:
+		link_speed = 0;
+	}
+	return link_speed;
+}
+
+/**
+ * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
+ * @phba: pointer to lpfc hba data structure.
+ * @evt_code: asynchronous event code.
+ * @speed_code: asynchronous event link speed code.
+ *
+ * This routine is to parse the giving SLI4 async event link speed code into
+ * value of Mbps for the link speed.
+ *
+ * Return: link speed in terms of Mbps.
+ **/
+static uint32_t
+lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
+			   uint8_t speed_code)
+{
+	uint32_t port_speed;
+
+	switch (evt_code) {
+	case LPFC_TRAILER_CODE_LINK:
+		switch (speed_code) {
+		case LPFC_EVT_CODE_LINK_NO_LINK:
+			port_speed = 0;
+			break;
+		case LPFC_EVT_CODE_LINK_10_MBIT:
+			port_speed = 10;
+			break;
+		case LPFC_EVT_CODE_LINK_100_MBIT:
+			port_speed = 100;
+			break;
+		case LPFC_EVT_CODE_LINK_1_GBIT:
+			port_speed = 1000;
+			break;
+		case LPFC_EVT_CODE_LINK_10_GBIT:
+			port_speed = 10000;
+			break;
+		default:
+			port_speed = 0;
+		}
+		break;
+	case LPFC_TRAILER_CODE_FC:
+		switch (speed_code) {
+		case LPFC_EVT_CODE_FC_NO_LINK:
+			port_speed = 0;
+			break;
+		case LPFC_EVT_CODE_FC_1_GBAUD:
+			port_speed = 1000;
+			break;
+		case LPFC_EVT_CODE_FC_2_GBAUD:
+			port_speed = 2000;
+			break;
+		case LPFC_EVT_CODE_FC_4_GBAUD:
+			port_speed = 4000;
+			break;
+		case LPFC_EVT_CODE_FC_8_GBAUD:
+			port_speed = 8000;
+			break;
+		case LPFC_EVT_CODE_FC_10_GBAUD:
+			port_speed = 10000;
+			break;
+		case LPFC_EVT_CODE_FC_16_GBAUD:
+			port_speed = 16000;
+			break;
+		default:
+			port_speed = 0;
+		}
+		break;
+	default:
+		port_speed = 0;
+	}
+	return port_speed;
+}
+
+/**
  * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
  * @phba: pointer to lpfc hba data structure.
  * @acqe_link: pointer to the async link completion queue entry.
@@ -3558,7 +3677,8 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
 
 	/* Keep the link status for extra SLI4 state machine reference */
 	phba->sli4_hba.link_state.speed =
-				bf_get(lpfc_acqe_link_speed, acqe_link);
+			lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
+				bf_get(lpfc_acqe_link_speed, acqe_link));
 	phba->sli4_hba.link_state.duplex =
 				bf_get(lpfc_acqe_link_duplex, acqe_link);
 	phba->sli4_hba.link_state.status =
@@ -3570,7 +3690,8 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
 	phba->sli4_hba.link_state.fault =
 				bf_get(lpfc_acqe_link_fault, acqe_link);
 	phba->sli4_hba.link_state.logical_speed =
-			bf_get(lpfc_acqe_logical_link_speed, acqe_link);
+			bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
+
 	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
 			"2900 Async FC/FCoE Link event - Speed:%dGBit "
 			"duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
@@ -3580,7 +3701,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
 			phba->sli4_hba.link_state.status,
 			phba->sli4_hba.link_state.type,
 			phba->sli4_hba.link_state.number,
-			phba->sli4_hba.link_state.logical_speed * 10,
+			phba->sli4_hba.link_state.logical_speed,
 			phba->sli4_hba.link_state.fault);
 	/*
 	 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
@@ -3652,7 +3773,8 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
 	}
 	/* Keep the link status for extra SLI4 state machine reference */
 	phba->sli4_hba.link_state.speed =
-				bf_get(lpfc_acqe_fc_la_speed, acqe_fc);
+			lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
+				bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
 	phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
 	phba->sli4_hba.link_state.topology =
 				bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
@@ -3665,7 +3787,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
 	phba->sli4_hba.link_state.fault =
 				bf_get(lpfc_acqe_link_fault, acqe_fc);
 	phba->sli4_hba.link_state.logical_speed =
-				bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc);
+				bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
 	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
 			"2896 Async FC event - Speed:%dGBaud Topology:x%x "
 			"LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
@@ -3675,7 +3797,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
 			phba->sli4_hba.link_state.status,
 			phba->sli4_hba.link_state.type,
 			phba->sli4_hba.link_state.number,
-			phba->sli4_hba.link_state.logical_speed * 10,
+			phba->sli4_hba.link_state.logical_speed,
 			phba->sli4_hba.link_state.fault);
 	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!pmb) {
@@ -3783,14 +3905,18 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
 	case LPFC_SLI_EVENT_STATUS_VALID:
 		return; /* no message if the sfp is okay */
 	case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
-		sprintf(message, "Not installed");
+		sprintf(message, "Optics faulted/incorrectly installed/not " \
+				"installed - Reseat optics, if issue not "
+				"resolved, replace.");
 		break;
 	case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
 		sprintf(message,
-			"Optics of two types installed");
+			"Optics of two types installed - Remove one optic or " \
+			"install matching pair of optics.");
 		break;
 	case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
-		sprintf(message, "Incompatible optics");
+		sprintf(message, "Incompatible optics - Replace with " \
+				"compatible optics for card to function.");
 		break;
 	default:
 		/* firmware is reporting a status we don't know about */
@@ -4161,11 +4287,11 @@ lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
 	phba->fcoe_eventtag = acqe_grp5->event_tag;
 	prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
 	phba->sli4_hba.link_state.logical_speed =
-		(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5));
+		(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
 	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
 			"2789 GRP5 Async Event: Updating logical link speed "
-			"from %dMbps to %dMbps\n", (prev_ll_spd * 10),
-			(phba->sli4_hba.link_state.logical_speed*10));
+			"from %dMbps to %dMbps\n", prev_ll_spd,
+			phba->sli4_hba.link_state.logical_speed);
 }
 
 /**
@@ -4947,7 +5073,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 	}
 
 	phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
-				      phba->sli4_hba.cfg_eqn), GFP_KERNEL);
+				      phba->cfg_fcp_io_channel), GFP_KERNEL);
 	if (!phba->sli4_hba.msix_entries) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"2573 Failed allocate memory for msi-x "
@@ -6559,7 +6685,8 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba)
 		i++;
 	}
 	if (i < cfg_fcp_io_channel) {
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+		lpfc_printf_log(phba,
+				KERN_ERR, LOG_INIT,
 				"3188 Reducing IO channels to match number of "
 				"CPUs: from %d to %d\n", cfg_fcp_io_channel, i);
 		cfg_fcp_io_channel = i;
@@ -6567,8 +6694,8 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba)
 
 	if (cfg_fcp_io_channel >
 	    phba->sli4_hba.max_cfg_param.max_eq) {
-		cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
-		if (cfg_fcp_io_channel < LPFC_FCP_IO_CHAN_MIN) {
+		if (phba->sli4_hba.max_cfg_param.max_eq <
+		    LPFC_FCP_IO_CHAN_MIN) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 					"2574 Not enough EQs (%d) from the "
 					"pci function for supporting FCP "
@@ -6577,13 +6704,12 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba)
 					phba->cfg_fcp_io_channel);
 			goto out_error;
 		}
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"2575 Not enough EQs (%d) from the pci "
-				"function for supporting the requested "
-				"FCP EQs (%d), the actual FCP EQs can "
-				"be supported: %d\n",
-				phba->sli4_hba.max_cfg_param.max_eq,
-				phba->cfg_fcp_io_channel, cfg_fcp_io_channel);
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2575 Reducing IO channels to match number of "
+				"available EQs: from %d to %d\n",
+				cfg_fcp_io_channel,
+				phba->sli4_hba.max_cfg_param.max_eq);
+		cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
 	}
 
 	/* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
@@ -6592,7 +6718,6 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba)
 	phba->cfg_fcp_eq_count = cfg_fcp_io_channel;
 	phba->cfg_fcp_wq_count = cfg_fcp_io_channel;
 	phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
-	phba->sli4_hba.cfg_eqn = cfg_fcp_io_channel;
 
 	/* Get EQ depth from module parameter, fake the default for now */
 	phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
@@ -8095,11 +8220,11 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
 	int vectors, rc, index;
 
 	/* Set up MSI-X multi-message vectors */
-	for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
+	for (index = 0; index < phba->cfg_fcp_io_channel; index++)
 		phba->sli4_hba.msix_entries[index].entry = index;
 
 	/* Configure MSI-X capability structure */
-	vectors = phba->sli4_hba.cfg_eqn;
+	vectors = phba->cfg_fcp_io_channel;
 enable_msix_vectors:
 	rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
 			     vectors);
@@ -8142,8 +8267,14 @@ enable_msix_vectors:
 			goto cfg_fail_out;
 		}
 	}
-	phba->sli4_hba.msix_vec_nr = vectors;
 
+	if (vectors != phba->cfg_fcp_io_channel) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3238 Reducing IO channels to match number of "
+				"MSI-X vectors, requested %d got %d\n",
+				phba->cfg_fcp_io_channel, vectors);
+		phba->cfg_fcp_io_channel = vectors;
+	}
 	return rc;
 
 cfg_fail_out:
@@ -8171,7 +8302,7 @@ lpfc_sli4_disable_msix(struct lpfc_hba *phba)
 	int index;
 
 	/* Free up MSI-X multi-message vectors */
-	for (index = 0; index < phba->sli4_hba.msix_vec_nr; index++)
+	for (index = 0; index < phba->cfg_fcp_io_channel; index++)
 		free_irq(phba->sli4_hba.msix_entries[index].vector,
 			 &phba->sli4_hba.fcp_eq_hdl[index]);
 
@@ -9304,23 +9435,28 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
 
 /**
  * lpfc_write_firmware - attempt to write a firmware image to the port
- * @phba: pointer to lpfc hba data structure.
  * @fw: pointer to firmware image returned from request_firmware.
+ * @phba: pointer to lpfc hba data structure.
  *
- * returns the number of bytes written if write is successful.
- * returns a negative error value if there were errors.
- * returns 0 if firmware matches currently active firmware on port.
  **/
-int
-lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
+static void
+lpfc_write_firmware(const struct firmware *fw, void *context)
 {
+	struct lpfc_hba *phba = (struct lpfc_hba *)context;
 	char fwrev[FW_REV_STR_SIZE];
-	struct lpfc_grp_hdr *image = (struct lpfc_grp_hdr *)fw->data;
+	struct lpfc_grp_hdr *image;
 	struct list_head dma_buffer_list;
 	int i, rc = 0;
 	struct lpfc_dmabuf *dmabuf, *next;
 	uint32_t offset = 0, temp_offset = 0;
 
+	/* It can be null, sanity check */
+	if (!fw) {
+		rc = -ENXIO;
+		goto out;
+	}
+	image = (struct lpfc_grp_hdr *)fw->data;
+
 	INIT_LIST_HEAD(&dma_buffer_list);
 	if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
 	    (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
@@ -9333,12 +9469,13 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
 				be32_to_cpu(image->magic_number),
 				bf_get_be32(lpfc_grp_hdr_file_type, image),
 				bf_get_be32(lpfc_grp_hdr_id, image));
-		return -EINVAL;
+		rc = -EINVAL;
+		goto release_out;
 	}
 	lpfc_decode_firmware_rev(phba, fwrev, 1);
 	if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"3023 Updating Firmware. Current Version:%s "
+				"3023 Updating Firmware, Current Version:%s "
 				"New Version:%s\n",
 				fwrev, image->revision);
 		for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
@@ -9346,7 +9483,7 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
 					 GFP_KERNEL);
 			if (!dmabuf) {
 				rc = -ENOMEM;
-				goto out;
+				goto release_out;
 			}
 			dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
 							  SLI4_PAGE_SIZE,
@@ -9355,7 +9492,7 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
 			if (!dmabuf->virt) {
 				kfree(dmabuf);
 				rc = -ENOMEM;
-				goto out;
+				goto release_out;
 			}
 			list_add_tail(&dmabuf->list, &dma_buffer_list);
 		}
@@ -9375,23 +9512,24 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
 			}
 			rc = lpfc_wr_object(phba, &dma_buffer_list,
 				    (fw->size - offset), &offset);
-			if (rc) {
-				lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-						"3024 Firmware update failed. "
-						"%d\n", rc);
-				goto out;
-			}
+			if (rc)
+				goto release_out;
 		}
 		rc = offset;
 	}
-out:
+
+release_out:
 	list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
 		list_del(&dmabuf->list);
 		dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
 				  dmabuf->virt, dmabuf->phys);
 		kfree(dmabuf);
 	}
-	return rc;
+	release_firmware(fw);
+out:
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"3024 Firmware update done: %d.", rc);
+	return;
 }
 
 /**
@@ -9418,12 +9556,11 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 	struct lpfc_hba   *phba;
 	struct lpfc_vport *vport = NULL;
 	struct Scsi_Host  *shost = NULL;
-	int error;
+	int error, ret;
 	uint32_t cfg_mode, intr_mode;
 	int mcnt;
 	int adjusted_fcp_io_channel;
-	const struct firmware *fw;
-	uint8_t file_name[16];
+	uint8_t file_name[ELX_MODEL_NAME_SIZE];
 
 	/* Allocate memory for HBA structure */
 	phba = lpfc_hba_alloc(pdev);
@@ -9525,9 +9662,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 		/* Default to single EQ for non-MSI-X */
 		if (phba->intr_type != MSIX)
 			adjusted_fcp_io_channel = 1;
-		else if (phba->sli4_hba.msix_vec_nr <
-					phba->cfg_fcp_io_channel)
-			adjusted_fcp_io_channel = phba->sli4_hba.msix_vec_nr;
 		else
 			adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
 		phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
@@ -9572,12 +9706,12 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 	/* check for firmware upgrade or downgrade (if_type 2 only) */
 	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
 	    LPFC_SLI_INTF_IF_TYPE_2) {
-		snprintf(file_name, 16, "%s.grp", phba->ModelName);
-		error = request_firmware(&fw, file_name, &phba->pcidev->dev);
-		if (!error) {
-			lpfc_write_firmware(phba, fw);
-			release_firmware(fw);
-		}
+		snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp",
+			 phba->ModelName);
+		ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
+					file_name, &phba->pcidev->dev,
+					GFP_KERNEL, (void *)phba,
+					lpfc_write_firmware);
 	}
 
 	/* Check if there are static vports to be created. */
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 64013f3097a..7f45ac9964a 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3829,9 +3829,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	cmd->scsi_done(cmd);
 
 	if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
-		spin_lock_irq(&phba->hbalock);
+		spin_lock_irqsave(&phba->hbalock, flags);
 		lpfc_cmd->pCmd = NULL;
-		spin_unlock_irq(&phba->hbalock);
+		spin_unlock_irqrestore(&phba->hbalock, flags);
 
 		/*
 		 * If there is a thread waiting for command completion
@@ -3871,9 +3871,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 		}
 	}
 
-	spin_lock_irq(&phba->hbalock);
+	spin_lock_irqsave(&phba->hbalock, flags);
 	lpfc_cmd->pCmd = NULL;
-	spin_unlock_irq(&phba->hbalock);
+	spin_unlock_irqrestore(&phba->hbalock, flags);
 
 	/*
 	 * If there is a thread waiting for command completion
@@ -4163,7 +4163,7 @@ lpfc_info(struct Scsi_Host *host)
 {
 	struct lpfc_vport *vport = (struct lpfc_vport *) host->hostdata;
 	struct lpfc_hba   *phba = vport->phba;
-	int len;
+	int len, link_speed = 0;
 	static char  lpfcinfobuf[384];
 
 	memset(lpfcinfobuf,0,384);
@@ -4184,12 +4184,18 @@ lpfc_info(struct Scsi_Host *host)
 				 phba->Port);
 		}
 		len = strlen(lpfcinfobuf);
-		if (phba->sli4_hba.link_state.logical_speed) {
-			snprintf(lpfcinfobuf + len,
-				 384-len,
-				 " Logical Link Speed: %d Mbps",
-				 phba->sli4_hba.link_state.logical_speed * 10);
+		if (phba->sli_rev <= LPFC_SLI_REV3) {
+			link_speed = lpfc_sli_port_speed_get(phba);
+		} else {
+			if (phba->sli4_hba.link_state.logical_speed)
+				link_speed =
+				      phba->sli4_hba.link_state.logical_speed;
+			else
+				link_speed = phba->sli4_hba.link_state.speed;
 		}
+		if (link_speed != 0)
+			snprintf(lpfcinfobuf + len, 384-len,
+				 " Logical Link Speed: %d Mbps", link_speed);
 	}
 	return lpfcinfobuf;
 }
@@ -4398,16 +4404,17 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 	struct lpfc_scsi_buf *lpfc_cmd;
 	IOCB_t *cmd, *icmd;
 	int ret = SUCCESS, status = 0;
+	unsigned long flags;
 	DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq);
 
 	status = fc_block_scsi_eh(cmnd);
 	if (status != 0 && status != SUCCESS)
 		return status;
 
-	spin_lock_irq(&phba->hbalock);
+	spin_lock_irqsave(&phba->hbalock, flags);
 	/* driver queued commands are in process of being flushed */
 	if (phba->hba_flag & HBA_FCP_IOQ_FLUSH) {
-		spin_unlock_irq(&phba->hbalock);
+		spin_unlock_irqrestore(&phba->hbalock, flags);
 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
 			"3168 SCSI Layer abort requested I/O has been "
 			"flushed by LLD.\n");
@@ -4416,7 +4423,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 
 	lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
 	if (!lpfc_cmd || !lpfc_cmd->pCmd) {
-		spin_unlock_irq(&phba->hbalock);
+		spin_unlock_irqrestore(&phba->hbalock, flags);
 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
 			 "2873 SCSI Layer I/O Abort Request IO CMPL Status "
 			 "x%x ID %d LUN %d\n",
@@ -4427,7 +4434,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 	iocb = &lpfc_cmd->cur_iocbq;
 	/* the command is in process of being cancelled */
 	if (!(iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ)) {
-		spin_unlock_irq(&phba->hbalock);
+		spin_unlock_irqrestore(&phba->hbalock, flags);
 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
 			"3169 SCSI Layer abort requested I/O has been "
 			"cancelled by LLD.\n");
@@ -4484,7 +4491,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 	abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl;
 	abtsiocb->vport = vport;
 	/* no longer need the lock after this point */
-	spin_unlock_irq(&phba->hbalock);
+	spin_unlock_irqrestore(&phba->hbalock, flags);
 
 	if (lpfc_sli_issue_iocb(phba, LPFC_FCP_RING, abtsiocb, 0) ==
 	    IOCB_ERROR) {
@@ -4516,7 +4523,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 	goto out;
 
 out_unlock:
-	spin_unlock_irq(&phba->hbalock);
+	spin_unlock_irqrestore(&phba->hbalock, flags);
 out:
 	lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
 			 "0749 SCSI Layer I/O Abort Request Status x%x ID %d "
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 219bf534ef9..d7f3313ef88 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -3964,9 +3964,9 @@ lpfc_sli4_brdreset(struct lpfc_hba *phba)
 	pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value &
 			      ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
 
-	/* Perform FCoE PCI function reset */
-	lpfc_sli4_queue_destroy(phba);
+	/* Perform FCoE PCI function reset before freeing queue memory */
 	rc = lpfc_pci_function_reset(phba);
+	lpfc_sli4_queue_destroy(phba);
 
 	/* Restore PCI cmd register */
 	pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value);
@@ -7072,6 +7072,40 @@ lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready
+ * @phba: Pointer to HBA context object.
+ * @mboxq: Pointer to mailbox object.
+ *
+ * The function waits for the bootstrap mailbox register ready bit from
+ * port for twice the regular mailbox command timeout value.
+ *
+ *      0 - no timeout on waiting for bootstrap mailbox register ready.
+ *      MBXERR_ERROR - wait for bootstrap mailbox register timed out.
+ **/
+static int
+lpfc_sli4_wait_bmbx_ready(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+	uint32_t db_ready;
+	unsigned long timeout;
+	struct lpfc_register bmbx_reg;
+
+	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq)
+				   * 1000) + jiffies;
+
+	do {
+		bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr);
+		db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg);
+		if (!db_ready)
+			msleep(2);
+
+		if (time_after(jiffies, timeout))
+			return MBXERR_ERROR;
+	} while (!db_ready);
+
+	return 0;
+}
+
+/**
  * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox
  * @phba: Pointer to HBA context object.
  * @mboxq: Pointer to mailbox object.
@@ -7092,15 +7126,12 @@ lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
 	int rc = MBX_SUCCESS;
 	unsigned long iflag;
-	uint32_t db_ready;
 	uint32_t mcqe_status;
 	uint32_t mbx_cmnd;
-	unsigned long timeout;
 	struct lpfc_sli *psli = &phba->sli;
 	struct lpfc_mqe *mb = &mboxq->u.mqe;
 	struct lpfc_bmbx_create *mbox_rgn;
 	struct dma_address *dma_address;
-	struct lpfc_register bmbx_reg;
 
 	/*
 	 * Only one mailbox can be active to the bootstrap mailbox region
@@ -7124,6 +7155,11 @@ lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	phba->sli.mbox_active = mboxq;
 	spin_unlock_irqrestore(&phba->hbalock, iflag);
 
+	/* wait for bootstrap mbox register for readyness */
+	rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq);
+	if (rc)
+		goto exit;
+
 	/*
 	 * Initialize the bootstrap memory region to avoid stale data areas
 	 * in the mailbox post.  Then copy the caller's mailbox contents to
@@ -7138,35 +7174,18 @@ lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	dma_address = &phba->sli4_hba.bmbx.dma_address;
 	writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr);
 
-	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq)
-				   * 1000) + jiffies;
-	do {
-		bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr);
-		db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg);
-		if (!db_ready)
-			msleep(2);
-
-		if (time_after(jiffies, timeout)) {
-			rc = MBXERR_ERROR;
-			goto exit;
-		}
-	} while (!db_ready);
+	/* wait for bootstrap mbox register for hi-address write done */
+	rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq);
+	if (rc)
+		goto exit;
 
 	/* Post the low mailbox dma address to the port. */
 	writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr);
-	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq)
-				   * 1000) + jiffies;
-	do {
-		bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr);
-		db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg);
-		if (!db_ready)
-			msleep(2);
 
-		if (time_after(jiffies, timeout)) {
-			rc = MBXERR_ERROR;
-			goto exit;
-		}
-	} while (!db_ready);
+	/* wait for bootstrap mbox register for low address write done */
+	rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq);
+	if (rc)
+		goto exit;
 
 	/*
 	 * Read the CQ to ensure the mailbox has completed.
@@ -8090,6 +8109,8 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
 		bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com,
 		       LPFC_WQE_LENLOC_NONE);
 		bf_set(wqe_ebde_cnt, &wqe->fcp_icmd.wqe_com, 0);
+		bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com,
+		       iocbq->iocb.ulpFCP2Rcvy);
 		break;
 	case CMD_GEN_REQUEST64_CR:
 		/* For this command calculate the xmit length of the
@@ -12099,6 +12120,7 @@ lpfc_modify_fcp_eq_delay(struct lpfc_hba *phba, uint16_t startq)
 	struct lpfc_queue *eq;
 	int cnt, rc, length, status = 0;
 	uint32_t shdr_status, shdr_add_status;
+	uint32_t result;
 	int fcp_eqidx;
 	union lpfc_sli4_cfg_shdr *shdr;
 	uint16_t dmult;
@@ -12117,8 +12139,11 @@ lpfc_modify_fcp_eq_delay(struct lpfc_hba *phba, uint16_t startq)
 	eq_delay = &mbox->u.mqe.un.eq_delay;
 
 	/* Calculate delay multiper from maximum interrupt per second */
-	dmult = phba->cfg_fcp_imax / phba->cfg_fcp_io_channel;
-	dmult = LPFC_DMULT_CONST/dmult - 1;
+	result = phba->cfg_fcp_imax / phba->cfg_fcp_io_channel;
+	if (result > LPFC_DMULT_CONST)
+		dmult = 0;
+	else
+		dmult = LPFC_DMULT_CONST/result - 1;
 
 	cnt = 0;
 	for (fcp_eqidx = startq; fcp_eqidx < phba->cfg_fcp_io_channel;
@@ -12174,7 +12199,7 @@ lpfc_modify_fcp_eq_delay(struct lpfc_hba *phba, uint16_t startq)
  * fails this function will return -ENXIO.
  **/
 uint32_t
-lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint16_t imax)
+lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax)
 {
 	struct lpfc_mbx_eq_create *eq_create;
 	LPFC_MBOXQ_t *mbox;
@@ -12206,7 +12231,10 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint16_t imax)
 	       LPFC_EQE_SIZE);
 	bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1);
 	/* Calculate delay multiper from maximum interrupt per second */
-	dmult = LPFC_DMULT_CONST/imax - 1;
+	if (imax > LPFC_DMULT_CONST)
+		dmult = 0;
+	else
+		dmult = LPFC_DMULT_CONST/imax - 1;
 	bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context,
 	       dmult);
 	switch (eq->entry_count) {
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index bd4bc4342ae..f44a06a4c6e 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -37,7 +37,7 @@
 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
 #define LPFC_FCP_IO_CHAN_DEF       4
 #define LPFC_FCP_IO_CHAN_MIN       1
-#define LPFC_FCP_IO_CHAN_MAX       8
+#define LPFC_FCP_IO_CHAN_MAX       16
 
 /*
  * Provide the default FCF Record attributes used by the driver
@@ -168,7 +168,7 @@ struct lpfc_queue {
 };
 
 struct lpfc_sli4_link {
-	uint8_t speed;
+	uint16_t speed;
 	uint8_t duplex;
 	uint8_t status;
 	uint8_t type;
@@ -490,8 +490,6 @@ struct lpfc_sli4_hba {
 	struct lpfc_pc_sli4_params pc_sli4_params;
 	struct msix_entry *msix_entries;
 	uint8_t handler_name[LPFC_FCP_IO_CHAN_MAX][LPFC_SLI4_HANDLER_NAME_SZ];
-	uint32_t cfg_eqn;
-	uint32_t msix_vec_nr;
 	struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
 
 	/* Pointers to the constructed SLI4 queues */
@@ -626,7 +624,7 @@ void lpfc_sli4_hba_reset(struct lpfc_hba *);
 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 			uint32_t);
 void lpfc_sli4_queue_free(struct lpfc_queue *);
-uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
+uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
 uint32_t lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint16_t);
 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 			struct lpfc_queue *, uint32_t, uint32_t);
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 04265a1c4e5..0c2149189dd 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.3.34"
+#define LPFC_DRIVER_VERSION "8.3.35"
 #define LPFC_DRIVER_NAME		"lpfc"
 
 /* Used for SLI 2/3 */
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index fcb005fa4bd..16b7a72a70c 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1,7 +1,7 @@
 /*
  *  Linux MegaRAID driver for SAS based RAID controllers
  *
- *  Copyright (c) 2009-2011  LSI Corporation.
+ *  Copyright (c) 2003-2012  LSI Corporation.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
@@ -33,9 +33,9 @@
 /*
  * MegaRAID SAS Driver meta data
  */
-#define MEGASAS_VERSION				"00.00.06.18-rc1"
-#define MEGASAS_RELDATE				"Jun. 17, 2012"
-#define MEGASAS_EXT_VERSION			"Tue. Jun. 17 17:00:00 PDT 2012"
+#define MEGASAS_VERSION				"06.504.01.00-rc1"
+#define MEGASAS_RELDATE				"Oct. 1, 2012"
+#define MEGASAS_EXT_VERSION			"Mon. Oct. 1 17:00:00 PDT 2012"
 
 /*
  * Device IDs
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 0393ec478cd..d2c5366aff7 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1,7 +1,7 @@
 /*
  *  Linux MegaRAID driver for SAS based RAID controllers
  *
- *  Copyright (c) 2009-2011  LSI Corporation.
+ *  Copyright (c) 2003-2012  LSI Corporation.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
@@ -18,7 +18,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  *  FILE: megaraid_sas_base.c
- *  Version : v00.00.06.18-rc1
+ *  Version : v06.504.01.00-rc1
  *
  *  Authors: LSI Corporation
  *           Sreenivas Bagalkote
@@ -71,6 +71,10 @@ static int msix_disable;
 module_param(msix_disable, int, S_IRUGO);
 MODULE_PARM_DESC(msix_disable, "Disable MSI-X interrupt handling. Default: 0");
 
+static unsigned int msix_vectors;
+module_param(msix_vectors, int, S_IRUGO);
+MODULE_PARM_DESC(msix_vectors, "MSI-X max vector count. Default: Set by FW");
+
 static int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH;
 module_param(throttlequeuedepth, int, S_IRUGO);
 MODULE_PARM_DESC(throttlequeuedepth,
@@ -3520,6 +3524,10 @@ static int megasas_init_fw(struct megasas_instance *instance)
 			instance->msix_vectors = (readl(&instance->reg_set->
 							outbound_scratch_pad_2
 							  ) & 0x1F) + 1;
+			if (msix_vectors)
+				instance->msix_vectors =
+					min(msix_vectors,
+					    instance->msix_vectors);
 		} else
 			instance->msix_vectors = 1;
 		/* Don't bother allocating more MSI-X vectors than cpus */
@@ -5233,7 +5241,6 @@ megasas_aen_polling(struct work_struct *work)
 
 		case MR_EVT_PD_REMOVED:
 			if (megasas_get_pd_list(instance) == 0) {
-			megasas_get_pd_list(instance);
 			for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
 				for (j = 0;
 				j < MEGASAS_MAX_DEV_PER_CHANNEL;
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index e3d251a2e26..a11df82474e 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -1,7 +1,7 @@
 /*
  *  Linux MegaRAID driver for SAS based RAID controllers
  *
- *  Copyright (c) 2009-2011  LSI Corporation.
+ *  Copyright (c) 2009-2012  LSI Corporation.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index ddf094e7d0a..74030aff69a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1,7 +1,7 @@
 /*
  *  Linux MegaRAID driver for SAS based RAID controllers
  *
- *  Copyright (c) 2009-2011  LSI Corporation.
+ *  Copyright (c) 2009-2012  LSI Corporation.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
@@ -1184,8 +1184,6 @@ megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len,
 		io_request->CDB.EEDP32.PrimaryReferenceTag =
 			cpu_to_be32(ref_tag);
 		io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0xffff;
-
-		io_request->DataLength = num_blocks * 512;
 		io_request->IoFlags = 32; /* Specify 32-byte cdb */
 
 		/* Transfer length */
@@ -1329,7 +1327,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 			  struct megasas_cmd_fusion *cmd)
 {
 	u8 fp_possible;
-	u32 start_lba_lo, start_lba_hi, device_id;
+	u32 start_lba_lo, start_lba_hi, device_id, datalength = 0;
 	struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
 	union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
 	struct IO_REQUEST_INFO io_info;
@@ -1355,7 +1353,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 	 * 6-byte READ(0x08) or WRITE(0x0A) cdb
 	 */
 	if (scp->cmd_len == 6) {
-		io_request->DataLength = (u32) scp->cmnd[4];
+		datalength = (u32) scp->cmnd[4];
 		start_lba_lo = ((u32) scp->cmnd[1] << 16) |
 			((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3];
 
@@ -1366,7 +1364,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 	 * 10-byte READ(0x28) or WRITE(0x2A) cdb
 	 */
 	else if (scp->cmd_len == 10) {
-		io_request->DataLength = (u32) scp->cmnd[8] |
+		datalength = (u32) scp->cmnd[8] |
 			((u32) scp->cmnd[7] << 8);
 		start_lba_lo = ((u32) scp->cmnd[2] << 24) |
 			((u32) scp->cmnd[3] << 16) |
@@ -1377,7 +1375,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 	 * 12-byte READ(0xA8) or WRITE(0xAA) cdb
 	 */
 	else if (scp->cmd_len == 12) {
-		io_request->DataLength = ((u32) scp->cmnd[6] << 24) |
+		datalength = ((u32) scp->cmnd[6] << 24) |
 			((u32) scp->cmnd[7] << 16) |
 			((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9];
 		start_lba_lo = ((u32) scp->cmnd[2] << 24) |
@@ -1389,7 +1387,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 	 * 16-byte READ(0x88) or WRITE(0x8A) cdb
 	 */
 	else if (scp->cmd_len == 16) {
-		io_request->DataLength = ((u32) scp->cmnd[10] << 24) |
+		datalength = ((u32) scp->cmnd[10] << 24) |
 			((u32) scp->cmnd[11] << 16) |
 			((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13];
 		start_lba_lo = ((u32) scp->cmnd[6] << 24) |
@@ -1403,8 +1401,9 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 
 	memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO));
 	io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo;
-	io_info.numBlocks = io_request->DataLength;
+	io_info.numBlocks = datalength;
 	io_info.ldTgtId = device_id;
+	io_request->DataLength = scsi_bufflen(scp);
 
 	if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
 		io_info.isRead = 1;
@@ -1431,7 +1430,6 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 	if (fp_possible) {
 		megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,
 				   local_map_ptr, start_lba_lo);
-		io_request->DataLength = scsi_bufflen(scp);
 		io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
 		cmd->request_desc->SCSIIO.RequestFlags =
 			(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY
@@ -1510,7 +1508,8 @@ megasas_build_dcdb_fusion(struct megasas_instance *instance,
 	local_map_ptr = fusion->ld_map[(instance->map_id & 1)];
 
 	/* Check if this is a system PD I/O */
-	if (instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
+	if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS &&
+	    instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
 		io_request->Function = 0;
 		io_request->DevHandle =
 			local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
@@ -1525,6 +1524,8 @@ megasas_build_dcdb_fusion(struct megasas_instance *instance,
 		cmd->request_desc->SCSIIO.RequestFlags =
 			(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
 			 MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+		cmd->request_desc->SCSIIO.DevHandle =
+			local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
 	} else {
 		io_request->Function  = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
 		io_request->DevHandle = device_id;
@@ -1732,8 +1733,6 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex)
 	if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
 		return IRQ_NONE;
 
-	d_val.word = desc->Words;
-
 	num_completed = 0;
 
 	while ((d_val.u.low != UINT_MAX) && (d_val.u.high != UINT_MAX)) {
@@ -1855,10 +1854,8 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
 	}
 	spin_unlock_irqrestore(&instance->hba_lock, flags);
 
-	spin_lock_irqsave(&instance->completion_lock, flags);
 	for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++)
 		complete_cmd_fusion(instance, MSIxIndex);
-	spin_unlock_irqrestore(&instance->completion_lock, flags);
 }
 
 /**
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index 088c9f91da9..a7c64f05199 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -1,7 +1,7 @@
 /*
  *  Linux MegaRAID driver for SAS based RAID controllers
  *
- *  Copyright (c) 2009-2011  LSI Corporation.
+ *  Copyright (c) 2009-2012  LSI Corporation.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
index 783edc7c6b9..c585a925b3c 100644
--- a/drivers/scsi/mvumi.c
+++ b/drivers/scsi/mvumi.c
@@ -35,10 +35,12 @@
 #include <linux/io.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport.h>
 #include <scsi/scsi_eh.h>
 #include <linux/uaccess.h>
+#include <linux/kthread.h>
 
 #include "mvumi.h"
 
@@ -48,6 +50,7 @@ MODULE_DESCRIPTION("Marvell UMI Driver");
 
 static DEFINE_PCI_DEVICE_TABLE(mvumi_pci_table) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_2, PCI_DEVICE_ID_MARVELL_MV9143) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_2, PCI_DEVICE_ID_MARVELL_MV9580) },
 	{ 0 }
 };
 
@@ -118,7 +121,7 @@ static int mvumi_map_pci_addr(struct pci_dev *dev, void **addr_array)
 static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba,
 				enum resource_type type, unsigned int size)
 {
-	struct mvumi_res *res = kzalloc(sizeof(*res), GFP_KERNEL);
+	struct mvumi_res *res = kzalloc(sizeof(*res), GFP_ATOMIC);
 
 	if (!res) {
 		dev_err(&mhba->pdev->dev,
@@ -128,7 +131,7 @@ static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba,
 
 	switch (type) {
 	case RESOURCE_CACHED_MEMORY:
-		res->virt_addr = kzalloc(size, GFP_KERNEL);
+		res->virt_addr = kzalloc(size, GFP_ATOMIC);
 		if (!res->virt_addr) {
 			dev_err(&mhba->pdev->dev,
 				"unable to allocate memory,size = %d.\n", size);
@@ -222,11 +225,11 @@ static int mvumi_make_sgl(struct mvumi_hba *mhba, struct scsi_cmnd *scmd,
 			m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr));
 			m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr));
 			m_sg->flags = 0;
-			m_sg->size = cpu_to_le32(sg_dma_len(&sg[i]));
+			sgd_setsz(mhba, m_sg, cpu_to_le32(sg_dma_len(&sg[i])));
 			if ((i + 1) == *sg_count)
-				m_sg->flags |= SGD_EOT;
+				m_sg->flags |= 1U << mhba->eot_flag;
 
-			m_sg++;
+			sgd_inc(mhba, m_sg);
 		}
 	} else {
 		scmd->SCp.dma_handle = scsi_bufflen(scmd) ?
@@ -237,8 +240,8 @@ static int mvumi_make_sgl(struct mvumi_hba *mhba, struct scsi_cmnd *scmd,
 		busaddr = scmd->SCp.dma_handle;
 		m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr));
 		m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr));
-		m_sg->flags = SGD_EOT;
-		m_sg->size = cpu_to_le32(scsi_bufflen(scmd));
+		m_sg->flags = 1U << mhba->eot_flag;
+		sgd_setsz(mhba, m_sg, cpu_to_le32(scsi_bufflen(scmd)));
 		*sg_count = 1;
 	}
 
@@ -267,8 +270,8 @@ static int mvumi_internal_cmd_sgl(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
 
 	m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(phy_addr));
 	m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(phy_addr));
-	m_sg->flags = SGD_EOT;
-	m_sg->size = cpu_to_le32(size);
+	m_sg->flags = 1U << mhba->eot_flag;
+	sgd_setsz(mhba, m_sg, cpu_to_le32(size));
 
 	return 0;
 }
@@ -285,7 +288,8 @@ static struct mvumi_cmd *mvumi_create_internal_cmd(struct mvumi_hba *mhba,
 	}
 	INIT_LIST_HEAD(&cmd->queue_pointer);
 
-	cmd->frame = kzalloc(mhba->ib_max_size, GFP_KERNEL);
+	cmd->frame = pci_alloc_consistent(mhba->pdev,
+				mhba->ib_max_size, &cmd->frame_phys);
 	if (!cmd->frame) {
 		dev_err(&mhba->pdev->dev, "failed to allocate memory for FW"
 			" frame,size = %d.\n", mhba->ib_max_size);
@@ -297,7 +301,8 @@ static struct mvumi_cmd *mvumi_create_internal_cmd(struct mvumi_hba *mhba,
 		if (mvumi_internal_cmd_sgl(mhba, cmd, buf_size)) {
 			dev_err(&mhba->pdev->dev, "failed to allocate memory"
 						" for internal frame\n");
-			kfree(cmd->frame);
+			pci_free_consistent(mhba->pdev, mhba->ib_max_size,
+					cmd->frame, cmd->frame_phys);
 			kfree(cmd);
 			return NULL;
 		}
@@ -317,7 +322,7 @@ static void mvumi_delete_internal_cmd(struct mvumi_hba *mhba,
 	if (cmd && cmd->frame) {
 		if (cmd->frame->sg_counts) {
 			m_sg = (struct mvumi_sgl *) &cmd->frame->payload[0];
-			size = m_sg->size;
+			sgd_getsz(mhba, m_sg, size);
 
 			phy_addr = (dma_addr_t) m_sg->baseaddr_l |
 				(dma_addr_t) ((m_sg->baseaddr_h << 16) << 16);
@@ -325,7 +330,8 @@ static void mvumi_delete_internal_cmd(struct mvumi_hba *mhba,
 			pci_free_consistent(mhba->pdev, size, cmd->data_buf,
 								phy_addr);
 		}
-		kfree(cmd->frame);
+		pci_free_consistent(mhba->pdev, mhba->ib_max_size,
+				cmd->frame, cmd->frame_phys);
 		kfree(cmd);
 	}
 }
@@ -374,7 +380,8 @@ static void mvumi_free_cmds(struct mvumi_hba *mhba)
 		cmd = list_first_entry(&mhba->cmd_pool, struct mvumi_cmd,
 							queue_pointer);
 		list_del(&cmd->queue_pointer);
-		kfree(cmd->frame);
+		if (!(mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC))
+			kfree(cmd->frame);
 		kfree(cmd);
 	}
 }
@@ -396,7 +403,12 @@ static int mvumi_alloc_cmds(struct mvumi_hba *mhba)
 
 		INIT_LIST_HEAD(&cmd->queue_pointer);
 		list_add_tail(&cmd->queue_pointer, &mhba->cmd_pool);
-		cmd->frame = kzalloc(mhba->ib_max_size, GFP_KERNEL);
+		if (mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC) {
+			cmd->frame = mhba->ib_frame + i * mhba->ib_max_size;
+			cmd->frame_phys = mhba->ib_frame_phys
+						+ i * mhba->ib_max_size;
+		} else
+			cmd->frame = kzalloc(mhba->ib_max_size, GFP_KERNEL);
 		if (!cmd->frame)
 			goto err_exit;
 	}
@@ -409,48 +421,71 @@ err_exit:
 		cmd = list_first_entry(&mhba->cmd_pool, struct mvumi_cmd,
 						queue_pointer);
 		list_del(&cmd->queue_pointer);
-		kfree(cmd->frame);
+		if (!(mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC))
+			kfree(cmd->frame);
 		kfree(cmd);
 	}
 	return -ENOMEM;
 }
 
-static int mvumi_get_ib_list_entry(struct mvumi_hba *mhba, void **ib_entry)
+static unsigned int mvumi_check_ib_list_9143(struct mvumi_hba *mhba)
 {
-	unsigned int ib_rp_reg, cur_ib_entry;
+	unsigned int ib_rp_reg;
+	struct mvumi_hw_regs *regs = mhba->regs;
+
+	ib_rp_reg = ioread32(mhba->regs->inb_read_pointer);
 
+	if (unlikely(((ib_rp_reg & regs->cl_slot_num_mask) ==
+			(mhba->ib_cur_slot & regs->cl_slot_num_mask)) &&
+			((ib_rp_reg & regs->cl_pointer_toggle)
+			 != (mhba->ib_cur_slot & regs->cl_pointer_toggle)))) {
+		dev_warn(&mhba->pdev->dev, "no free slot to use.\n");
+		return 0;
+	}
 	if (atomic_read(&mhba->fw_outstanding) >= mhba->max_io) {
 		dev_warn(&mhba->pdev->dev, "firmware io overflow.\n");
-		return -1;
+		return 0;
+	} else {
+		return mhba->max_io - atomic_read(&mhba->fw_outstanding);
 	}
-	ib_rp_reg = ioread32(mhba->mmio + CLA_INB_READ_POINTER);
+}
 
-	if (unlikely(((ib_rp_reg & CL_SLOT_NUM_MASK) ==
-			(mhba->ib_cur_slot & CL_SLOT_NUM_MASK)) &&
-			((ib_rp_reg & CL_POINTER_TOGGLE) !=
-			(mhba->ib_cur_slot & CL_POINTER_TOGGLE)))) {
-		dev_warn(&mhba->pdev->dev, "no free slot to use.\n");
-		return -1;
-	}
+static unsigned int mvumi_check_ib_list_9580(struct mvumi_hba *mhba)
+{
+	unsigned int count;
+	if (atomic_read(&mhba->fw_outstanding) >= (mhba->max_io - 1))
+		return 0;
+	count = ioread32(mhba->ib_shadow);
+	if (count == 0xffff)
+		return 0;
+	return count;
+}
+
+static void mvumi_get_ib_list_entry(struct mvumi_hba *mhba, void **ib_entry)
+{
+	unsigned int cur_ib_entry;
 
-	cur_ib_entry = mhba->ib_cur_slot & CL_SLOT_NUM_MASK;
+	cur_ib_entry = mhba->ib_cur_slot & mhba->regs->cl_slot_num_mask;
 	cur_ib_entry++;
 	if (cur_ib_entry >= mhba->list_num_io) {
 		cur_ib_entry -= mhba->list_num_io;
-		mhba->ib_cur_slot ^= CL_POINTER_TOGGLE;
+		mhba->ib_cur_slot ^= mhba->regs->cl_pointer_toggle;
+	}
+	mhba->ib_cur_slot &= ~mhba->regs->cl_slot_num_mask;
+	mhba->ib_cur_slot |= (cur_ib_entry & mhba->regs->cl_slot_num_mask);
+	if (mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC) {
+		*ib_entry = mhba->ib_list + cur_ib_entry *
+				sizeof(struct mvumi_dyn_list_entry);
+	} else {
+		*ib_entry = mhba->ib_list + cur_ib_entry * mhba->ib_max_size;
 	}
-	mhba->ib_cur_slot &= ~CL_SLOT_NUM_MASK;
-	mhba->ib_cur_slot |= (cur_ib_entry & CL_SLOT_NUM_MASK);
-	*ib_entry = mhba->ib_list + cur_ib_entry * mhba->ib_max_size;
 	atomic_inc(&mhba->fw_outstanding);
-
-	return 0;
 }
 
 static void mvumi_send_ib_list_entry(struct mvumi_hba *mhba)
 {
-	iowrite32(0xfff, mhba->ib_shadow);
-	iowrite32(mhba->ib_cur_slot, mhba->mmio + CLA_INB_WRITE_POINTER);
+	iowrite32(0xffff, mhba->ib_shadow);
+	iowrite32(mhba->ib_cur_slot, mhba->regs->inb_write_pointer);
 }
 
 static char mvumi_check_ob_frame(struct mvumi_hba *mhba,
@@ -480,31 +515,59 @@ static char mvumi_check_ob_frame(struct mvumi_hba *mhba,
 	return 0;
 }
 
-static void mvumi_receive_ob_list_entry(struct mvumi_hba *mhba)
+static int mvumi_check_ob_list_9143(struct mvumi_hba *mhba,
+			unsigned int *cur_obf, unsigned int *assign_obf_end)
 {
-	unsigned int ob_write_reg, ob_write_shadow_reg;
-	unsigned int cur_obf, assign_obf_end, i;
-	struct mvumi_ob_data *ob_data;
-	struct mvumi_rsp_frame *p_outb_frame;
+	unsigned int ob_write, ob_write_shadow;
+	struct mvumi_hw_regs *regs = mhba->regs;
 
 	do {
-		ob_write_reg = ioread32(mhba->mmio + CLA_OUTB_COPY_POINTER);
-		ob_write_shadow_reg = ioread32(mhba->ob_shadow);
-	} while ((ob_write_reg & CL_SLOT_NUM_MASK) != ob_write_shadow_reg);
+		ob_write = ioread32(regs->outb_copy_pointer);
+		ob_write_shadow = ioread32(mhba->ob_shadow);
+	} while ((ob_write & regs->cl_slot_num_mask) != ob_write_shadow);
 
-	cur_obf = mhba->ob_cur_slot & CL_SLOT_NUM_MASK;
-	assign_obf_end = ob_write_reg & CL_SLOT_NUM_MASK;
+	*cur_obf = mhba->ob_cur_slot & mhba->regs->cl_slot_num_mask;
+	*assign_obf_end = ob_write & mhba->regs->cl_slot_num_mask;
 
-	if ((ob_write_reg & CL_POINTER_TOGGLE) !=
-				(mhba->ob_cur_slot & CL_POINTER_TOGGLE)) {
-		assign_obf_end += mhba->list_num_io;
+	if ((ob_write & regs->cl_pointer_toggle) !=
+			(mhba->ob_cur_slot & regs->cl_pointer_toggle)) {
+		*assign_obf_end += mhba->list_num_io;
 	}
+	return 0;
+}
+
+static int mvumi_check_ob_list_9580(struct mvumi_hba *mhba,
+			unsigned int *cur_obf, unsigned int *assign_obf_end)
+{
+	unsigned int ob_write;
+	struct mvumi_hw_regs *regs = mhba->regs;
+
+	ob_write = ioread32(regs->outb_read_pointer);
+	ob_write = ioread32(regs->outb_copy_pointer);
+	*cur_obf = mhba->ob_cur_slot & mhba->regs->cl_slot_num_mask;
+	*assign_obf_end = ob_write & mhba->regs->cl_slot_num_mask;
+	if (*assign_obf_end < *cur_obf)
+		*assign_obf_end += mhba->list_num_io;
+	else if (*assign_obf_end == *cur_obf)
+		return -1;
+	return 0;
+}
+
+static void mvumi_receive_ob_list_entry(struct mvumi_hba *mhba)
+{
+	unsigned int cur_obf, assign_obf_end, i;
+	struct mvumi_ob_data *ob_data;
+	struct mvumi_rsp_frame *p_outb_frame;
+	struct mvumi_hw_regs *regs = mhba->regs;
+
+	if (mhba->instancet->check_ob_list(mhba, &cur_obf, &assign_obf_end))
+		return;
 
 	for (i = (assign_obf_end - cur_obf); i != 0; i--) {
 		cur_obf++;
 		if (cur_obf >= mhba->list_num_io) {
 			cur_obf -= mhba->list_num_io;
-			mhba->ob_cur_slot ^= CL_POINTER_TOGGLE;
+			mhba->ob_cur_slot ^= regs->cl_pointer_toggle;
 		}
 
 		p_outb_frame = mhba->ob_list + cur_obf * mhba->ob_max_size;
@@ -528,7 +591,7 @@ static void mvumi_receive_ob_list_entry(struct mvumi_hba *mhba)
 			ob_data = NULL;
 			if (cur_obf == 0) {
 				cur_obf = mhba->list_num_io - 1;
-				mhba->ob_cur_slot ^= CL_POINTER_TOGGLE;
+				mhba->ob_cur_slot ^= regs->cl_pointer_toggle;
 			} else
 				cur_obf -= 1;
 			break;
@@ -539,18 +602,20 @@ static void mvumi_receive_ob_list_entry(struct mvumi_hba *mhba)
 
 		list_add_tail(&ob_data->list, &mhba->free_ob_list);
 	}
-	mhba->ob_cur_slot &= ~CL_SLOT_NUM_MASK;
-	mhba->ob_cur_slot |= (cur_obf & CL_SLOT_NUM_MASK);
-	iowrite32(mhba->ob_cur_slot, mhba->mmio + CLA_OUTB_READ_POINTER);
+	mhba->ob_cur_slot &= ~regs->cl_slot_num_mask;
+	mhba->ob_cur_slot |= (cur_obf & regs->cl_slot_num_mask);
+	iowrite32(mhba->ob_cur_slot, regs->outb_read_pointer);
 }
 
-static void mvumi_reset(void *regs)
+static void mvumi_reset(struct mvumi_hba *mhba)
 {
-	iowrite32(0, regs + CPU_ENPOINTA_MASK_REG);
-	if (ioread32(regs + CPU_ARM_TO_PCIEA_MSG1) != HANDSHAKE_DONESTATE)
+	struct mvumi_hw_regs *regs = mhba->regs;
+
+	iowrite32(0, regs->enpointa_mask_reg);
+	if (ioread32(regs->arm_to_pciea_msg1) != HANDSHAKE_DONESTATE)
 		return;
 
-	iowrite32(DRBL_SOFT_RESET, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+	iowrite32(DRBL_SOFT_RESET, regs->pciea_to_arm_drbl_reg);
 }
 
 static unsigned char mvumi_start(struct mvumi_hba *mhba);
@@ -558,7 +623,7 @@ static unsigned char mvumi_start(struct mvumi_hba *mhba);
 static int mvumi_wait_for_outstanding(struct mvumi_hba *mhba)
 {
 	mhba->fw_state = FW_STATE_ABORT;
-	mvumi_reset(mhba->mmio);
+	mvumi_reset(mhba);
 
 	if (mvumi_start(mhba))
 		return FAILED;
@@ -566,6 +631,98 @@ static int mvumi_wait_for_outstanding(struct mvumi_hba *mhba)
 		return SUCCESS;
 }
 
+static int mvumi_wait_for_fw(struct mvumi_hba *mhba)
+{
+	struct mvumi_hw_regs *regs = mhba->regs;
+	u32 tmp;
+	unsigned long before;
+	before = jiffies;
+
+	iowrite32(0, regs->enpointa_mask_reg);
+	tmp = ioread32(regs->arm_to_pciea_msg1);
+	while (tmp != HANDSHAKE_READYSTATE) {
+		iowrite32(DRBL_MU_RESET, regs->pciea_to_arm_drbl_reg);
+		if (time_after(jiffies, before + FW_MAX_DELAY * HZ)) {
+			dev_err(&mhba->pdev->dev,
+				"FW reset failed [0x%x].\n", tmp);
+			return FAILED;
+		}
+
+		msleep(500);
+		rmb();
+		tmp = ioread32(regs->arm_to_pciea_msg1);
+	}
+
+	return SUCCESS;
+}
+
+static void mvumi_backup_bar_addr(struct mvumi_hba *mhba)
+{
+	unsigned char i;
+
+	for (i = 0; i < MAX_BASE_ADDRESS; i++) {
+		pci_read_config_dword(mhba->pdev, 0x10 + i * 4,
+						&mhba->pci_base[i]);
+	}
+}
+
+static void mvumi_restore_bar_addr(struct mvumi_hba *mhba)
+{
+	unsigned char i;
+
+	for (i = 0; i < MAX_BASE_ADDRESS; i++) {
+		if (mhba->pci_base[i])
+			pci_write_config_dword(mhba->pdev, 0x10 + i * 4,
+						mhba->pci_base[i]);
+	}
+}
+
+static unsigned int mvumi_pci_set_master(struct pci_dev *pdev)
+{
+	unsigned int ret = 0;
+	pci_set_master(pdev);
+
+	if (IS_DMA64) {
+		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
+			ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+	} else
+		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+
+	return ret;
+}
+
+static int mvumi_reset_host_9580(struct mvumi_hba *mhba)
+{
+	mhba->fw_state = FW_STATE_ABORT;
+
+	iowrite32(0, mhba->regs->reset_enable);
+	iowrite32(0xf, mhba->regs->reset_request);
+
+	iowrite32(0x10, mhba->regs->reset_enable);
+	iowrite32(0x10, mhba->regs->reset_request);
+	msleep(100);
+	pci_disable_device(mhba->pdev);
+
+	if (pci_enable_device(mhba->pdev)) {
+		dev_err(&mhba->pdev->dev, "enable device failed\n");
+		return FAILED;
+	}
+	if (mvumi_pci_set_master(mhba->pdev)) {
+		dev_err(&mhba->pdev->dev, "set master failed\n");
+		return FAILED;
+	}
+	mvumi_restore_bar_addr(mhba);
+	if (mvumi_wait_for_fw(mhba) == FAILED)
+		return FAILED;
+
+	return mvumi_wait_for_outstanding(mhba);
+}
+
+static int mvumi_reset_host_9143(struct mvumi_hba *mhba)
+{
+	return mvumi_wait_for_outstanding(mhba);
+}
+
 static int mvumi_host_reset(struct scsi_cmnd *scmd)
 {
 	struct mvumi_hba *mhba;
@@ -575,7 +732,7 @@ static int mvumi_host_reset(struct scsi_cmnd *scmd)
 	scmd_printk(KERN_NOTICE, scmd, "RESET -%ld cmd=%x retries=%x\n",
 			scmd->serial_number, scmd->cmnd[0], scmd->retries);
 
-	return mvumi_wait_for_outstanding(mhba);
+	return mhba->instancet->reset_host(mhba);
 }
 
 static int mvumi_issue_blocked_cmd(struct mvumi_hba *mhba,
@@ -628,7 +785,9 @@ static void mvumi_release_fw(struct mvumi_hba *mhba)
 	mvumi_free_cmds(mhba);
 	mvumi_release_mem_resource(mhba);
 	mvumi_unmap_pci_addr(mhba->pdev, mhba->base_addr);
-	kfree(mhba->handshake_page);
+	pci_free_consistent(mhba->pdev, HSP_MAX_SIZE,
+		mhba->handshake_page, mhba->handshake_page_phys);
+	kfree(mhba->regs);
 	pci_release_regions(mhba->pdev);
 }
 
@@ -665,6 +824,7 @@ get_cmd:	cmd = mvumi_create_internal_cmd(mhba, 0);
 		frame->cdb_length = MAX_COMMAND_SIZE;
 		memset(frame->cdb, 0, MAX_COMMAND_SIZE);
 		frame->cdb[0] = SCSI_CMD_MARVELL_SPECIFIC;
+		frame->cdb[1] = CDB_CORE_MODULE;
 		frame->cdb[2] = CDB_CORE_SHUTDOWN;
 
 		mvumi_issue_blocked_cmd(mhba, cmd);
@@ -695,7 +855,7 @@ mvumi_calculate_checksum(struct mvumi_hs_header *p_header,
 	return ret;
 }
 
-void mvumi_hs_build_page(struct mvumi_hba *mhba,
+static void mvumi_hs_build_page(struct mvumi_hba *mhba,
 				struct mvumi_hs_header *hs_header)
 {
 	struct mvumi_hs_page2 *hs_page2;
@@ -710,6 +870,8 @@ void mvumi_hs_build_page(struct mvumi_hba *mhba,
 		hs_header->frame_length = sizeof(*hs_page2) - 4;
 		memset(hs_header->frame_content, 0, hs_header->frame_length);
 		hs_page2->host_type = 3; /* 3 mean linux*/
+		if (mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC)
+			hs_page2->host_cap = 0x08;/* host dynamic source mode */
 		hs_page2->host_ver.ver_major = VER_MAJOR;
 		hs_page2->host_ver.ver_minor = VER_MINOR;
 		hs_page2->host_ver.ver_oem = VER_OEM;
@@ -745,8 +907,18 @@ void mvumi_hs_build_page(struct mvumi_hba *mhba,
 		hs_page4->ob_baseaddr_h = upper_32_bits(mhba->ob_list_phys);
 		hs_page4->ib_entry_size = mhba->ib_max_size_setting;
 		hs_page4->ob_entry_size = mhba->ob_max_size_setting;
-		hs_page4->ob_depth = mhba->list_num_io;
-		hs_page4->ib_depth = mhba->list_num_io;
+		if (mhba->hba_capability
+			& HS_CAPABILITY_NEW_PAGE_IO_DEPTH_DEF) {
+			hs_page4->ob_depth = find_first_bit((unsigned long *)
+							    &mhba->list_num_io,
+							    BITS_PER_LONG);
+			hs_page4->ib_depth = find_first_bit((unsigned long *)
+							    &mhba->list_num_io,
+							    BITS_PER_LONG);
+		} else {
+			hs_page4->ob_depth = (u8) mhba->list_num_io;
+			hs_page4->ib_depth = (u8) mhba->list_num_io;
+		}
 		hs_header->checksum = mvumi_calculate_checksum(hs_header,
 						hs_header->frame_length);
 		break;
@@ -774,8 +946,11 @@ static int mvumi_init_data(struct mvumi_hba *mhba)
 		return 0;
 
 	tmp_size = mhba->ib_max_size * mhba->max_io;
+	if (mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC)
+		tmp_size += sizeof(struct mvumi_dyn_list_entry) * mhba->max_io;
+
 	tmp_size += 128 + mhba->ob_max_size * mhba->max_io;
-	tmp_size += 8 + sizeof(u32) + 16;
+	tmp_size += 8 + sizeof(u32)*2 + 16;
 
 	res_mgnt = mvumi_alloc_mem_resource(mhba,
 					RESOURCE_UNCACHED_MEMORY, tmp_size);
@@ -793,24 +968,41 @@ static int mvumi_init_data(struct mvumi_hba *mhba)
 	v += offset;
 	mhba->ib_list = v;
 	mhba->ib_list_phys = p;
+	if (mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC) {
+		v += sizeof(struct mvumi_dyn_list_entry) * mhba->max_io;
+		p += sizeof(struct mvumi_dyn_list_entry) * mhba->max_io;
+		mhba->ib_frame = v;
+		mhba->ib_frame_phys = p;
+	}
 	v += mhba->ib_max_size * mhba->max_io;
 	p += mhba->ib_max_size * mhba->max_io;
+
 	/* ib shadow */
 	offset = round_up(p, 8) - p;
 	p += offset;
 	v += offset;
 	mhba->ib_shadow = v;
 	mhba->ib_shadow_phys = p;
-	p += sizeof(u32);
-	v += sizeof(u32);
+	p += sizeof(u32)*2;
+	v += sizeof(u32)*2;
 	/* ob shadow */
-	offset = round_up(p, 8) - p;
-	p += offset;
-	v += offset;
-	mhba->ob_shadow = v;
-	mhba->ob_shadow_phys = p;
-	p += 8;
-	v += 8;
+	if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9580) {
+		offset = round_up(p, 8) - p;
+		p += offset;
+		v += offset;
+		mhba->ob_shadow = v;
+		mhba->ob_shadow_phys = p;
+		p += 8;
+		v += 8;
+	} else {
+		offset = round_up(p, 4) - p;
+		p += offset;
+		v += offset;
+		mhba->ob_shadow = v;
+		mhba->ob_shadow_phys = p;
+		p += 4;
+		v += 4;
+	}
 
 	/* ob list */
 	offset = round_up(p, 128) - p;
@@ -902,6 +1094,12 @@ static int mvumi_hs_process_page(struct mvumi_hba *mhba,
 		dev_dbg(&mhba->pdev->dev, "FW version:%d\n",
 						hs_page1->fw_ver.ver_build);
 
+		if (mhba->hba_capability & HS_CAPABILITY_SUPPORT_COMPACT_SG)
+			mhba->eot_flag = 22;
+		else
+			mhba->eot_flag = 27;
+		if (mhba->hba_capability & HS_CAPABILITY_NEW_PAGE_IO_DEPTH_DEF)
+			mhba->list_num_io = 1 << hs_page1->cl_inout_list_depth;
 		break;
 	default:
 		dev_err(&mhba->pdev->dev, "handshake: page code error\n");
@@ -923,12 +1121,12 @@ static int mvumi_handshake(struct mvumi_hba *mhba)
 {
 	unsigned int hs_state, tmp, hs_fun;
 	struct mvumi_hs_header *hs_header;
-	void *regs = mhba->mmio;
+	struct mvumi_hw_regs *regs = mhba->regs;
 
 	if (mhba->fw_state == FW_STATE_STARTING)
 		hs_state = HS_S_START;
 	else {
-		tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG0);
+		tmp = ioread32(regs->arm_to_pciea_msg0);
 		hs_state = HS_GET_STATE(tmp);
 		dev_dbg(&mhba->pdev->dev, "handshake state[0x%x].\n", hs_state);
 		if (HS_GET_STATUS(tmp) != HS_STATUS_OK) {
@@ -943,21 +1141,20 @@ static int mvumi_handshake(struct mvumi_hba *mhba)
 		mhba->fw_state = FW_STATE_HANDSHAKING;
 		HS_SET_STATUS(hs_fun, HS_STATUS_OK);
 		HS_SET_STATE(hs_fun, HS_S_RESET);
-		iowrite32(HANDSHAKE_SIGNATURE, regs + CPU_PCIEA_TO_ARM_MSG1);
-		iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0);
-		iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+		iowrite32(HANDSHAKE_SIGNATURE, regs->pciea_to_arm_msg1);
+		iowrite32(hs_fun, regs->pciea_to_arm_msg0);
+		iowrite32(DRBL_HANDSHAKE, regs->pciea_to_arm_drbl_reg);
 		break;
 
 	case HS_S_RESET:
 		iowrite32(lower_32_bits(mhba->handshake_page_phys),
-					regs + CPU_PCIEA_TO_ARM_MSG1);
+					regs->pciea_to_arm_msg1);
 		iowrite32(upper_32_bits(mhba->handshake_page_phys),
-					regs + CPU_ARM_TO_PCIEA_MSG1);
+					regs->arm_to_pciea_msg1);
 		HS_SET_STATUS(hs_fun, HS_STATUS_OK);
 		HS_SET_STATE(hs_fun, HS_S_PAGE_ADDR);
-		iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0);
-		iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
-
+		iowrite32(hs_fun, regs->pciea_to_arm_msg0);
+		iowrite32(DRBL_HANDSHAKE, regs->pciea_to_arm_drbl_reg);
 		break;
 
 	case HS_S_PAGE_ADDR:
@@ -997,30 +1194,37 @@ static int mvumi_handshake(struct mvumi_hba *mhba)
 			HS_SET_STATE(hs_fun, HS_S_END);
 
 		HS_SET_STATUS(hs_fun, HS_STATUS_OK);
-		iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0);
-		iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+		iowrite32(hs_fun, regs->pciea_to_arm_msg0);
+		iowrite32(DRBL_HANDSHAKE, regs->pciea_to_arm_drbl_reg);
 		break;
 
 	case HS_S_END:
 		/* Set communication list ISR */
-		tmp = ioread32(regs + CPU_ENPOINTA_MASK_REG);
-		tmp |= INT_MAP_COMAOUT | INT_MAP_COMAERR;
-		iowrite32(tmp, regs + CPU_ENPOINTA_MASK_REG);
+		tmp = ioread32(regs->enpointa_mask_reg);
+		tmp |= regs->int_comaout | regs->int_comaerr;
+		iowrite32(tmp, regs->enpointa_mask_reg);
 		iowrite32(mhba->list_num_io, mhba->ib_shadow);
 		/* Set InBound List Available count shadow */
 		iowrite32(lower_32_bits(mhba->ib_shadow_phys),
-					regs + CLA_INB_AVAL_COUNT_BASEL);
+					regs->inb_aval_count_basel);
 		iowrite32(upper_32_bits(mhba->ib_shadow_phys),
-					regs + CLA_INB_AVAL_COUNT_BASEH);
-
-		/* Set OutBound List Available count shadow */
-		iowrite32((mhba->list_num_io-1) | CL_POINTER_TOGGLE,
-						mhba->ob_shadow);
-		iowrite32(lower_32_bits(mhba->ob_shadow_phys), regs + 0x5B0);
-		iowrite32(upper_32_bits(mhba->ob_shadow_phys), regs + 0x5B4);
+					regs->inb_aval_count_baseh);
+
+		if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9143) {
+			/* Set OutBound List Available count shadow */
+			iowrite32((mhba->list_num_io-1) |
+							regs->cl_pointer_toggle,
+							mhba->ob_shadow);
+			iowrite32(lower_32_bits(mhba->ob_shadow_phys),
+							regs->outb_copy_basel);
+			iowrite32(upper_32_bits(mhba->ob_shadow_phys),
+							regs->outb_copy_baseh);
+		}
 
-		mhba->ib_cur_slot = (mhba->list_num_io - 1) | CL_POINTER_TOGGLE;
-		mhba->ob_cur_slot = (mhba->list_num_io - 1) | CL_POINTER_TOGGLE;
+		mhba->ib_cur_slot = (mhba->list_num_io - 1) |
+							regs->cl_pointer_toggle;
+		mhba->ob_cur_slot = (mhba->list_num_io - 1) |
+							regs->cl_pointer_toggle;
 		mhba->fw_state = FW_STATE_STARTED;
 
 		break;
@@ -1040,7 +1244,7 @@ static unsigned char mvumi_handshake_event(struct mvumi_hba *mhba)
 	before = jiffies;
 	mvumi_handshake(mhba);
 	do {
-		isr_status = mhba->instancet->read_fw_status_reg(mhba->mmio);
+		isr_status = mhba->instancet->read_fw_status_reg(mhba);
 
 		if (mhba->fw_state == FW_STATE_STARTED)
 			return 0;
@@ -1062,16 +1266,15 @@ static unsigned char mvumi_handshake_event(struct mvumi_hba *mhba)
 
 static unsigned char mvumi_check_handshake(struct mvumi_hba *mhba)
 {
-	void *regs = mhba->mmio;
 	unsigned int tmp;
 	unsigned long before;
 
 	before = jiffies;
-	tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG1);
+	tmp = ioread32(mhba->regs->arm_to_pciea_msg1);
 	while ((tmp != HANDSHAKE_READYSTATE) && (tmp != HANDSHAKE_DONESTATE)) {
 		if (tmp != HANDSHAKE_READYSTATE)
 			iowrite32(DRBL_MU_RESET,
-					regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+					mhba->regs->pciea_to_arm_drbl_reg);
 		if (time_after(jiffies, before + FW_MAX_DELAY * HZ)) {
 			dev_err(&mhba->pdev->dev,
 				"invalid signature [0x%x].\n", tmp);
@@ -1079,7 +1282,7 @@ static unsigned char mvumi_check_handshake(struct mvumi_hba *mhba)
 		}
 		usleep_range(1000, 2000);
 		rmb();
-		tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG1);
+		tmp = ioread32(mhba->regs->arm_to_pciea_msg1);
 	}
 
 	mhba->fw_state = FW_STATE_STARTING;
@@ -1100,15 +1303,17 @@ static unsigned char mvumi_check_handshake(struct mvumi_hba *mhba)
 
 static unsigned char mvumi_start(struct mvumi_hba *mhba)
 {
-	void *regs = mhba->mmio;
 	unsigned int tmp;
+	struct mvumi_hw_regs *regs = mhba->regs;
+
 	/* clear Door bell */
-	tmp = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG);
-	iowrite32(tmp, regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+	tmp = ioread32(regs->arm_to_pciea_drbl_reg);
+	iowrite32(tmp, regs->arm_to_pciea_drbl_reg);
 
-	iowrite32(0x3FFFFFFF, regs + CPU_ARM_TO_PCIEA_MASK_REG);
-	tmp = ioread32(regs + CPU_ENPOINTA_MASK_REG) | INT_MAP_DL_CPU2PCIEA;
-	iowrite32(tmp, regs + CPU_ENPOINTA_MASK_REG);
+	iowrite32(regs->int_drbl_int_mask, regs->arm_to_pciea_mask_reg);
+	tmp = ioread32(regs->enpointa_mask_reg) | regs->int_dl_cpu2pciea;
+	iowrite32(tmp, regs->enpointa_mask_reg);
+	msleep(100);
 	if (mvumi_check_handshake(mhba))
 		return -1;
 
@@ -1166,6 +1371,7 @@ static void mvumi_complete_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
 	cmd->scmd->scsi_done(scmd);
 	mvumi_return_cmd(mhba, cmd);
 }
+
 static void mvumi_complete_internal_cmd(struct mvumi_hba *mhba,
 						struct mvumi_cmd *cmd,
 					struct mvumi_rsp_frame *ob_frame)
@@ -1210,6 +1416,304 @@ static void mvumi_show_event(struct mvumi_hba *mhba,
 	}
 }
 
+static int mvumi_handle_hotplug(struct mvumi_hba *mhba, u16 devid, int status)
+{
+	struct scsi_device *sdev;
+	int ret = -1;
+
+	if (status == DEVICE_OFFLINE) {
+		sdev = scsi_device_lookup(mhba->shost, 0, devid, 0);
+		if (sdev) {
+			dev_dbg(&mhba->pdev->dev, "remove disk %d-%d-%d.\n", 0,
+								sdev->id, 0);
+			scsi_remove_device(sdev);
+			scsi_device_put(sdev);
+			ret = 0;
+		} else
+			dev_err(&mhba->pdev->dev, " no disk[%d] to remove\n",
+									devid);
+	} else if (status == DEVICE_ONLINE) {
+		sdev = scsi_device_lookup(mhba->shost, 0, devid, 0);
+		if (!sdev) {
+			scsi_add_device(mhba->shost, 0, devid, 0);
+			dev_dbg(&mhba->pdev->dev, " add disk %d-%d-%d.\n", 0,
+								devid, 0);
+			ret = 0;
+		} else {
+			dev_err(&mhba->pdev->dev, " don't add disk %d-%d-%d.\n",
+								0, devid, 0);
+			scsi_device_put(sdev);
+		}
+	}
+	return ret;
+}
+
+static u64 mvumi_inquiry(struct mvumi_hba *mhba,
+	unsigned int id, struct mvumi_cmd *cmd)
+{
+	struct mvumi_msg_frame *frame;
+	u64 wwid = 0;
+	int cmd_alloc = 0;
+	int data_buf_len = 64;
+
+	if (!cmd) {
+		cmd = mvumi_create_internal_cmd(mhba, data_buf_len);
+		if (cmd)
+			cmd_alloc = 1;
+		else
+			return 0;
+	} else {
+		memset(cmd->data_buf, 0, data_buf_len);
+	}
+	cmd->scmd = NULL;
+	cmd->cmd_status = REQ_STATUS_PENDING;
+	atomic_set(&cmd->sync_cmd, 0);
+	frame = cmd->frame;
+	frame->device_id = (u16) id;
+	frame->cmd_flag = CMD_FLAG_DATA_IN;
+	frame->req_function = CL_FUN_SCSI_CMD;
+	frame->cdb_length = 6;
+	frame->data_transfer_length = MVUMI_INQUIRY_LENGTH;
+	memset(frame->cdb, 0, frame->cdb_length);
+	frame->cdb[0] = INQUIRY;
+	frame->cdb[4] = frame->data_transfer_length;
+
+	mvumi_issue_blocked_cmd(mhba, cmd);
+
+	if (cmd->cmd_status == SAM_STAT_GOOD) {
+		if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9143)
+			wwid = id + 1;
+		else
+			memcpy((void *)&wwid,
+			       (cmd->data_buf + MVUMI_INQUIRY_UUID_OFF),
+			       MVUMI_INQUIRY_UUID_LEN);
+		dev_dbg(&mhba->pdev->dev,
+			"inquiry device(0:%d:0) wwid(%llx)\n", id, wwid);
+	} else {
+		wwid = 0;
+	}
+	if (cmd_alloc)
+		mvumi_delete_internal_cmd(mhba, cmd);
+
+	return wwid;
+}
+
+static void mvumi_detach_devices(struct mvumi_hba *mhba)
+{
+	struct mvumi_device *mv_dev = NULL , *dev_next;
+	struct scsi_device *sdev = NULL;
+
+	mutex_lock(&mhba->device_lock);
+
+	/* detach Hard Disk */
+	list_for_each_entry_safe(mv_dev, dev_next,
+		&mhba->shost_dev_list, list) {
+		mvumi_handle_hotplug(mhba, mv_dev->id, DEVICE_OFFLINE);
+		list_del_init(&mv_dev->list);
+		dev_dbg(&mhba->pdev->dev, "release device(0:%d:0) wwid(%llx)\n",
+			mv_dev->id, mv_dev->wwid);
+		kfree(mv_dev);
+	}
+	list_for_each_entry_safe(mv_dev, dev_next, &mhba->mhba_dev_list, list) {
+		list_del_init(&mv_dev->list);
+		dev_dbg(&mhba->pdev->dev, "release device(0:%d:0) wwid(%llx)\n",
+			mv_dev->id, mv_dev->wwid);
+		kfree(mv_dev);
+	}
+
+	/* detach virtual device */
+	if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9580)
+		sdev = scsi_device_lookup(mhba->shost, 0,
+						mhba->max_target_id - 1, 0);
+
+	if (sdev) {
+		scsi_remove_device(sdev);
+		scsi_device_put(sdev);
+	}
+
+	mutex_unlock(&mhba->device_lock);
+}
+
+static void mvumi_rescan_devices(struct mvumi_hba *mhba, int id)
+{
+	struct scsi_device *sdev;
+
+	sdev = scsi_device_lookup(mhba->shost, 0, id, 0);
+	if (sdev) {
+		scsi_rescan_device(&sdev->sdev_gendev);
+		scsi_device_put(sdev);
+	}
+}
+
+static int mvumi_match_devices(struct mvumi_hba *mhba, int id, u64 wwid)
+{
+	struct mvumi_device *mv_dev = NULL;
+
+	list_for_each_entry(mv_dev, &mhba->shost_dev_list, list) {
+		if (mv_dev->wwid == wwid) {
+			if (mv_dev->id != id) {
+				dev_err(&mhba->pdev->dev,
+					"%s has same wwid[%llx] ,"
+					" but different id[%d %d]\n",
+					__func__, mv_dev->wwid, mv_dev->id, id);
+				return -1;
+			} else {
+				if (mhba->pdev->device ==
+						PCI_DEVICE_ID_MARVELL_MV9143)
+					mvumi_rescan_devices(mhba, id);
+				return 1;
+			}
+		}
+	}
+	return 0;
+}
+
+static void mvumi_remove_devices(struct mvumi_hba *mhba, int id)
+{
+	struct mvumi_device *mv_dev = NULL, *dev_next;
+
+	list_for_each_entry_safe(mv_dev, dev_next,
+				&mhba->shost_dev_list, list) {
+		if (mv_dev->id == id) {
+			dev_dbg(&mhba->pdev->dev,
+				"detach device(0:%d:0) wwid(%llx) from HOST\n",
+				mv_dev->id, mv_dev->wwid);
+			mvumi_handle_hotplug(mhba, mv_dev->id, DEVICE_OFFLINE);
+			list_del_init(&mv_dev->list);
+			kfree(mv_dev);
+		}
+	}
+}
+
+static int mvumi_probe_devices(struct mvumi_hba *mhba)
+{
+	int id, maxid;
+	u64 wwid = 0;
+	struct mvumi_device *mv_dev = NULL;
+	struct mvumi_cmd *cmd = NULL;
+	int found = 0;
+
+	cmd = mvumi_create_internal_cmd(mhba, 64);
+	if (!cmd)
+		return -1;
+
+	if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9143)
+		maxid = mhba->max_target_id;
+	else
+		maxid = mhba->max_target_id - 1;
+
+	for (id = 0; id < maxid; id++) {
+		wwid = mvumi_inquiry(mhba, id, cmd);
+		if (!wwid) {
+			/* device no response, remove it */
+			mvumi_remove_devices(mhba, id);
+		} else {
+			/* device response, add it */
+			found = mvumi_match_devices(mhba, id, wwid);
+			if (!found) {
+				mvumi_remove_devices(mhba, id);
+				mv_dev = kzalloc(sizeof(struct mvumi_device),
+								GFP_KERNEL);
+				if (!mv_dev) {
+					dev_err(&mhba->pdev->dev,
+						"%s alloc mv_dev failed\n",
+						__func__);
+					continue;
+				}
+				mv_dev->id = id;
+				mv_dev->wwid = wwid;
+				mv_dev->sdev = NULL;
+				INIT_LIST_HEAD(&mv_dev->list);
+				list_add_tail(&mv_dev->list,
+					      &mhba->mhba_dev_list);
+				dev_dbg(&mhba->pdev->dev,
+					"probe a new device(0:%d:0)"
+					" wwid(%llx)\n", id, mv_dev->wwid);
+			} else if (found == -1)
+				return -1;
+			else
+				continue;
+		}
+	}
+
+	if (cmd)
+		mvumi_delete_internal_cmd(mhba, cmd);
+
+	return 0;
+}
+
+static int mvumi_rescan_bus(void *data)
+{
+	int ret = 0;
+	struct mvumi_hba *mhba = (struct mvumi_hba *) data;
+	struct mvumi_device *mv_dev = NULL , *dev_next;
+
+	while (!kthread_should_stop()) {
+
+		set_current_state(TASK_INTERRUPTIBLE);
+		if (!atomic_read(&mhba->pnp_count))
+			schedule();
+		msleep(1000);
+		atomic_set(&mhba->pnp_count, 0);
+		__set_current_state(TASK_RUNNING);
+
+		mutex_lock(&mhba->device_lock);
+		ret = mvumi_probe_devices(mhba);
+		if (!ret) {
+			list_for_each_entry_safe(mv_dev, dev_next,
+						 &mhba->mhba_dev_list, list) {
+				if (mvumi_handle_hotplug(mhba, mv_dev->id,
+							 DEVICE_ONLINE)) {
+					dev_err(&mhba->pdev->dev,
+						"%s add device(0:%d:0) failed"
+						"wwid(%llx) has exist\n",
+						__func__,
+						mv_dev->id, mv_dev->wwid);
+					list_del_init(&mv_dev->list);
+					kfree(mv_dev);
+				} else {
+					list_move_tail(&mv_dev->list,
+						       &mhba->shost_dev_list);
+				}
+			}
+		}
+		mutex_unlock(&mhba->device_lock);
+	}
+	return 0;
+}
+
+static void mvumi_proc_msg(struct mvumi_hba *mhba,
+					struct mvumi_hotplug_event *param)
+{
+	u16 size = param->size;
+	const unsigned long *ar_bitmap;
+	const unsigned long *re_bitmap;
+	int index;
+
+	if (mhba->fw_flag & MVUMI_FW_ATTACH) {
+		index = -1;
+		ar_bitmap = (const unsigned long *) param->bitmap;
+		re_bitmap = (const unsigned long *) &param->bitmap[size >> 3];
+
+		mutex_lock(&mhba->sas_discovery_mutex);
+		do {
+			index = find_next_zero_bit(ar_bitmap, size, index + 1);
+			if (index >= size)
+				break;
+			mvumi_handle_hotplug(mhba, index, DEVICE_ONLINE);
+		} while (1);
+
+		index = -1;
+		do {
+			index = find_next_zero_bit(re_bitmap, size, index + 1);
+			if (index >= size)
+				break;
+			mvumi_handle_hotplug(mhba, index, DEVICE_OFFLINE);
+		} while (1);
+		mutex_unlock(&mhba->sas_discovery_mutex);
+	}
+}
+
 static void mvumi_notification(struct mvumi_hba *mhba, u8 msg, void *buffer)
 {
 	if (msg == APICDB1_EVENT_GETEVENT) {
@@ -1227,6 +1731,8 @@ static void mvumi_notification(struct mvumi_hba *mhba, u8 msg, void *buffer)
 			param = &er->events[i];
 			mvumi_show_event(mhba, param);
 		}
+	} else if (msg == APICDB1_HOST_GETEVENT) {
+		mvumi_proc_msg(mhba, buffer);
 	}
 }
 
@@ -1271,17 +1777,27 @@ static void mvumi_scan_events(struct work_struct *work)
 	kfree(mu_ev);
 }
 
-static void mvumi_launch_events(struct mvumi_hba *mhba, u8 msg)
+static void mvumi_launch_events(struct mvumi_hba *mhba, u32 isr_status)
 {
 	struct mvumi_events_wq *mu_ev;
 
-	mu_ev = kzalloc(sizeof(*mu_ev), GFP_ATOMIC);
-	if (mu_ev) {
-		INIT_WORK(&mu_ev->work_q, mvumi_scan_events);
-		mu_ev->mhba = mhba;
-		mu_ev->event = msg;
-		mu_ev->param = NULL;
-		schedule_work(&mu_ev->work_q);
+	while (isr_status & (DRBL_BUS_CHANGE | DRBL_EVENT_NOTIFY)) {
+		if (isr_status & DRBL_BUS_CHANGE) {
+			atomic_inc(&mhba->pnp_count);
+			wake_up_process(mhba->dm_thread);
+			isr_status &= ~(DRBL_BUS_CHANGE);
+			continue;
+		}
+
+		mu_ev = kzalloc(sizeof(*mu_ev), GFP_ATOMIC);
+		if (mu_ev) {
+			INIT_WORK(&mu_ev->work_q, mvumi_scan_events);
+			mu_ev->mhba = mhba;
+			mu_ev->event = APICDB1_EVENT_GETEVENT;
+			isr_status &= ~(DRBL_EVENT_NOTIFY);
+			mu_ev->param = NULL;
+			schedule_work(&mu_ev->work_q);
+		}
 	}
 }
 
@@ -1322,16 +1838,17 @@ static irqreturn_t mvumi_isr_handler(int irq, void *devp)
 		return IRQ_NONE;
 	}
 
-	if (mhba->global_isr & INT_MAP_DL_CPU2PCIEA) {
+	if (mhba->global_isr & mhba->regs->int_dl_cpu2pciea) {
+		if (mhba->isr_status & (DRBL_BUS_CHANGE | DRBL_EVENT_NOTIFY))
+			mvumi_launch_events(mhba, mhba->isr_status);
 		if (mhba->isr_status & DRBL_HANDSHAKE_ISR) {
 			dev_warn(&mhba->pdev->dev, "enter handshake again!\n");
 			mvumi_handshake(mhba);
 		}
-		if (mhba->isr_status & DRBL_EVENT_NOTIFY)
-			mvumi_launch_events(mhba, APICDB1_EVENT_GETEVENT);
+
 	}
 
-	if (mhba->global_isr & INT_MAP_COMAOUT)
+	if (mhba->global_isr & mhba->regs->int_comaout)
 		mvumi_receive_ob_list_entry(mhba);
 
 	mhba->global_isr = 0;
@@ -1358,8 +1875,7 @@ static enum mvumi_qc_result mvumi_send_command(struct mvumi_hba *mhba,
 		dev_dbg(&mhba->pdev->dev, "no free tag.\n");
 		return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE;
 	}
-	if (mvumi_get_ib_list_entry(mhba, &ib_entry))
-		return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE;
+	mvumi_get_ib_list_entry(mhba, &ib_entry);
 
 	cmd->frame->tag = tag_get_one(mhba, &mhba->tag_pool);
 	cmd->frame->request_id = mhba->io_seq++;
@@ -1367,21 +1883,35 @@ static enum mvumi_qc_result mvumi_send_command(struct mvumi_hba *mhba,
 	mhba->tag_cmd[cmd->frame->tag] = cmd;
 	frame_len = sizeof(*ib_frame) - 4 +
 				ib_frame->sg_counts * sizeof(struct mvumi_sgl);
-	memcpy(ib_entry, ib_frame, frame_len);
+	if (mhba->hba_capability & HS_CAPABILITY_SUPPORT_DYN_SRC) {
+		struct mvumi_dyn_list_entry *dle;
+		dle = ib_entry;
+		dle->src_low_addr =
+			cpu_to_le32(lower_32_bits(cmd->frame_phys));
+		dle->src_high_addr =
+			cpu_to_le32(upper_32_bits(cmd->frame_phys));
+		dle->if_length = (frame_len >> 2) & 0xFFF;
+	} else {
+		memcpy(ib_entry, ib_frame, frame_len);
+	}
 	return MV_QUEUE_COMMAND_RESULT_SENT;
 }
 
 static void mvumi_fire_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd)
 {
 	unsigned short num_of_cl_sent = 0;
+	unsigned int count;
 	enum mvumi_qc_result result;
 
 	if (cmd)
 		list_add_tail(&cmd->queue_pointer, &mhba->waiting_req_list);
+	count = mhba->instancet->check_ib_list(mhba);
+	if (list_empty(&mhba->waiting_req_list) || !count)
+		return;
 
-	while (!list_empty(&mhba->waiting_req_list)) {
+	do {
 		cmd = list_first_entry(&mhba->waiting_req_list,
-					 struct mvumi_cmd, queue_pointer);
+				       struct mvumi_cmd, queue_pointer);
 		list_del_init(&cmd->queue_pointer);
 		result = mvumi_send_command(mhba, cmd);
 		switch (result) {
@@ -1395,65 +1925,77 @@ static void mvumi_fire_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd)
 
 			return;
 		}
-	}
+	} while (!list_empty(&mhba->waiting_req_list) && count--);
+
 	if (num_of_cl_sent > 0)
 		mvumi_send_ib_list_entry(mhba);
 }
 
 /**
  * mvumi_enable_intr -	Enables interrupts
- * @regs:			FW register set
+ * @mhba:		Adapter soft state
  */
-static void mvumi_enable_intr(void *regs)
+static void mvumi_enable_intr(struct mvumi_hba *mhba)
 {
 	unsigned int mask;
+	struct mvumi_hw_regs *regs = mhba->regs;
 
-	iowrite32(0x3FFFFFFF, regs + CPU_ARM_TO_PCIEA_MASK_REG);
-	mask = ioread32(regs + CPU_ENPOINTA_MASK_REG);
-	mask |= INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAOUT | INT_MAP_COMAERR;
-	iowrite32(mask, regs + CPU_ENPOINTA_MASK_REG);
+	iowrite32(regs->int_drbl_int_mask, regs->arm_to_pciea_mask_reg);
+	mask = ioread32(regs->enpointa_mask_reg);
+	mask |= regs->int_dl_cpu2pciea | regs->int_comaout | regs->int_comaerr;
+	iowrite32(mask, regs->enpointa_mask_reg);
 }
 
 /**
  * mvumi_disable_intr -Disables interrupt
- * @regs:			FW register set
+ * @mhba:		Adapter soft state
  */
-static void mvumi_disable_intr(void *regs)
+static void mvumi_disable_intr(struct mvumi_hba *mhba)
 {
 	unsigned int mask;
+	struct mvumi_hw_regs *regs = mhba->regs;
 
-	iowrite32(0, regs + CPU_ARM_TO_PCIEA_MASK_REG);
-	mask = ioread32(regs + CPU_ENPOINTA_MASK_REG);
-	mask &= ~(INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAOUT | INT_MAP_COMAERR);
-	iowrite32(mask, regs + CPU_ENPOINTA_MASK_REG);
+	iowrite32(0, regs->arm_to_pciea_mask_reg);
+	mask = ioread32(regs->enpointa_mask_reg);
+	mask &= ~(regs->int_dl_cpu2pciea | regs->int_comaout |
+							regs->int_comaerr);
+	iowrite32(mask, regs->enpointa_mask_reg);
 }
 
 static int mvumi_clear_intr(void *extend)
 {
 	struct mvumi_hba *mhba = (struct mvumi_hba *) extend;
 	unsigned int status, isr_status = 0, tmp = 0;
-	void *regs = mhba->mmio;
+	struct mvumi_hw_regs *regs = mhba->regs;
 
-	status = ioread32(regs + CPU_MAIN_INT_CAUSE_REG);
-	if (!(status & INT_MAP_MU) || status == 0xFFFFFFFF)
+	status = ioread32(regs->main_int_cause_reg);
+	if (!(status & regs->int_mu) || status == 0xFFFFFFFF)
 		return 1;
-	if (unlikely(status & INT_MAP_COMAERR)) {
-		tmp = ioread32(regs + CLA_ISR_CAUSE);
-		if (tmp & (CLIC_IN_ERR_IRQ | CLIC_OUT_ERR_IRQ))
-			iowrite32(tmp & (CLIC_IN_ERR_IRQ | CLIC_OUT_ERR_IRQ),
-					regs + CLA_ISR_CAUSE);
-		status ^= INT_MAP_COMAERR;
+	if (unlikely(status & regs->int_comaerr)) {
+		tmp = ioread32(regs->outb_isr_cause);
+		if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9580) {
+			if (tmp & regs->clic_out_err) {
+				iowrite32(tmp & regs->clic_out_err,
+							regs->outb_isr_cause);
+			}
+		} else {
+			if (tmp & (regs->clic_in_err | regs->clic_out_err))
+				iowrite32(tmp & (regs->clic_in_err |
+						regs->clic_out_err),
+						regs->outb_isr_cause);
+		}
+		status ^= mhba->regs->int_comaerr;
 		/* inbound or outbound parity error, command will timeout */
 	}
-	if (status & INT_MAP_COMAOUT) {
-		tmp = ioread32(regs + CLA_ISR_CAUSE);
-		if (tmp & CLIC_OUT_IRQ)
-			iowrite32(tmp & CLIC_OUT_IRQ, regs + CLA_ISR_CAUSE);
+	if (status & regs->int_comaout) {
+		tmp = ioread32(regs->outb_isr_cause);
+		if (tmp & regs->clic_irq)
+			iowrite32(tmp & regs->clic_irq, regs->outb_isr_cause);
 	}
-	if (status & INT_MAP_DL_CPU2PCIEA) {
-		isr_status = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+	if (status & regs->int_dl_cpu2pciea) {
+		isr_status = ioread32(regs->arm_to_pciea_drbl_reg);
 		if (isr_status)
-			iowrite32(isr_status, regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+			iowrite32(isr_status, regs->arm_to_pciea_drbl_reg);
 	}
 
 	mhba->global_isr = status;
@@ -1464,24 +2006,38 @@ static int mvumi_clear_intr(void *extend)
 
 /**
  * mvumi_read_fw_status_reg - returns the current FW status value
- * @regs:			FW register set
+ * @mhba:		Adapter soft state
  */
-static unsigned int mvumi_read_fw_status_reg(void *regs)
+static unsigned int mvumi_read_fw_status_reg(struct mvumi_hba *mhba)
 {
 	unsigned int status;
 
-	status = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+	status = ioread32(mhba->regs->arm_to_pciea_drbl_reg);
 	if (status)
-		iowrite32(status, regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+		iowrite32(status, mhba->regs->arm_to_pciea_drbl_reg);
 	return status;
 }
 
-static struct mvumi_instance_template mvumi_instance_template = {
+static struct mvumi_instance_template mvumi_instance_9143 = {
 	.fire_cmd = mvumi_fire_cmd,
 	.enable_intr = mvumi_enable_intr,
 	.disable_intr = mvumi_disable_intr,
 	.clear_intr = mvumi_clear_intr,
 	.read_fw_status_reg = mvumi_read_fw_status_reg,
+	.check_ib_list = mvumi_check_ib_list_9143,
+	.check_ob_list = mvumi_check_ob_list_9143,
+	.reset_host = mvumi_reset_host_9143,
+};
+
+static struct mvumi_instance_template mvumi_instance_9580 = {
+	.fire_cmd = mvumi_fire_cmd,
+	.enable_intr = mvumi_enable_intr,
+	.disable_intr = mvumi_disable_intr,
+	.clear_intr = mvumi_clear_intr,
+	.read_fw_status_reg = mvumi_read_fw_status_reg,
+	.check_ib_list = mvumi_check_ib_list_9580,
+	.check_ob_list = mvumi_check_ob_list_9580,
+	.reset_host = mvumi_reset_host_9580,
 };
 
 static int mvumi_slave_configure(struct scsi_device *sdev)
@@ -1681,6 +2237,124 @@ static struct scsi_transport_template mvumi_transport_template = {
 	.eh_timed_out = mvumi_timed_out,
 };
 
+static int mvumi_cfg_hw_reg(struct mvumi_hba *mhba)
+{
+	void *base = NULL;
+	struct mvumi_hw_regs *regs;
+
+	switch (mhba->pdev->device) {
+	case PCI_DEVICE_ID_MARVELL_MV9143:
+		mhba->mmio = mhba->base_addr[0];
+		base = mhba->mmio;
+		if (!mhba->regs) {
+			mhba->regs = kzalloc(sizeof(*regs), GFP_KERNEL);
+			if (mhba->regs == NULL)
+				return -ENOMEM;
+		}
+		regs = mhba->regs;
+
+		/* For Arm */
+		regs->ctrl_sts_reg          = base + 0x20104;
+		regs->rstoutn_mask_reg      = base + 0x20108;
+		regs->sys_soft_rst_reg      = base + 0x2010C;
+		regs->main_int_cause_reg    = base + 0x20200;
+		regs->enpointa_mask_reg     = base + 0x2020C;
+		regs->rstoutn_en_reg        = base + 0xF1400;
+		/* For Doorbell */
+		regs->pciea_to_arm_drbl_reg = base + 0x20400;
+		regs->arm_to_pciea_drbl_reg = base + 0x20408;
+		regs->arm_to_pciea_mask_reg = base + 0x2040C;
+		regs->pciea_to_arm_msg0     = base + 0x20430;
+		regs->pciea_to_arm_msg1     = base + 0x20434;
+		regs->arm_to_pciea_msg0     = base + 0x20438;
+		regs->arm_to_pciea_msg1     = base + 0x2043C;
+
+		/* For Message Unit */
+
+		regs->inb_aval_count_basel  = base + 0x508;
+		regs->inb_aval_count_baseh  = base + 0x50C;
+		regs->inb_write_pointer     = base + 0x518;
+		regs->inb_read_pointer      = base + 0x51C;
+		regs->outb_coal_cfg         = base + 0x568;
+		regs->outb_copy_basel       = base + 0x5B0;
+		regs->outb_copy_baseh       = base + 0x5B4;
+		regs->outb_copy_pointer     = base + 0x544;
+		regs->outb_read_pointer     = base + 0x548;
+		regs->outb_isr_cause        = base + 0x560;
+		regs->outb_coal_cfg         = base + 0x568;
+		/* Bit setting for HW */
+		regs->int_comaout           = 1 << 8;
+		regs->int_comaerr           = 1 << 6;
+		regs->int_dl_cpu2pciea      = 1 << 1;
+		regs->cl_pointer_toggle     = 1 << 12;
+		regs->clic_irq              = 1 << 1;
+		regs->clic_in_err           = 1 << 8;
+		regs->clic_out_err          = 1 << 12;
+		regs->cl_slot_num_mask      = 0xFFF;
+		regs->int_drbl_int_mask     = 0x3FFFFFFF;
+		regs->int_mu = regs->int_dl_cpu2pciea | regs->int_comaout |
+							regs->int_comaerr;
+		break;
+	case PCI_DEVICE_ID_MARVELL_MV9580:
+		mhba->mmio = mhba->base_addr[2];
+		base = mhba->mmio;
+		if (!mhba->regs) {
+			mhba->regs = kzalloc(sizeof(*regs), GFP_KERNEL);
+			if (mhba->regs == NULL)
+				return -ENOMEM;
+		}
+		regs = mhba->regs;
+		/* For Arm */
+		regs->ctrl_sts_reg          = base + 0x20104;
+		regs->rstoutn_mask_reg      = base + 0x1010C;
+		regs->sys_soft_rst_reg      = base + 0x10108;
+		regs->main_int_cause_reg    = base + 0x10200;
+		regs->enpointa_mask_reg     = base + 0x1020C;
+		regs->rstoutn_en_reg        = base + 0xF1400;
+
+		/* For Doorbell */
+		regs->pciea_to_arm_drbl_reg = base + 0x10460;
+		regs->arm_to_pciea_drbl_reg = base + 0x10480;
+		regs->arm_to_pciea_mask_reg = base + 0x10484;
+		regs->pciea_to_arm_msg0     = base + 0x10400;
+		regs->pciea_to_arm_msg1     = base + 0x10404;
+		regs->arm_to_pciea_msg0     = base + 0x10420;
+		regs->arm_to_pciea_msg1     = base + 0x10424;
+
+		/* For reset*/
+		regs->reset_request         = base + 0x10108;
+		regs->reset_enable          = base + 0x1010c;
+
+		/* For Message Unit */
+		regs->inb_aval_count_basel  = base + 0x4008;
+		regs->inb_aval_count_baseh  = base + 0x400C;
+		regs->inb_write_pointer     = base + 0x4018;
+		regs->inb_read_pointer      = base + 0x401C;
+		regs->outb_copy_basel       = base + 0x4058;
+		regs->outb_copy_baseh       = base + 0x405C;
+		regs->outb_copy_pointer     = base + 0x406C;
+		regs->outb_read_pointer     = base + 0x4070;
+		regs->outb_coal_cfg         = base + 0x4080;
+		regs->outb_isr_cause        = base + 0x4088;
+		/* Bit setting for HW */
+		regs->int_comaout           = 1 << 4;
+		regs->int_dl_cpu2pciea      = 1 << 12;
+		regs->int_comaerr           = 1 << 29;
+		regs->cl_pointer_toggle     = 1 << 14;
+		regs->cl_slot_num_mask      = 0x3FFF;
+		regs->clic_irq              = 1 << 0;
+		regs->clic_out_err          = 1 << 1;
+		regs->int_drbl_int_mask     = 0x3FFFFFFF;
+		regs->int_mu = regs->int_dl_cpu2pciea | regs->int_comaout;
+		break;
+	default:
+		return -1;
+		break;
+	}
+
+	return 0;
+}
+
 /**
  * mvumi_init_fw -	Initializes the FW
  * @mhba:		Adapter soft state
@@ -1699,15 +2373,18 @@ static int mvumi_init_fw(struct mvumi_hba *mhba)
 	if (ret)
 		goto fail_ioremap;
 
-	mhba->mmio = mhba->base_addr[0];
-
 	switch (mhba->pdev->device) {
 	case PCI_DEVICE_ID_MARVELL_MV9143:
-		mhba->instancet = &mvumi_instance_template;
+		mhba->instancet = &mvumi_instance_9143;
 		mhba->io_seq = 0;
 		mhba->max_sge = MVUMI_MAX_SG_ENTRY;
 		mhba->request_id_enabled = 1;
 		break;
+	case PCI_DEVICE_ID_MARVELL_MV9580:
+		mhba->instancet = &mvumi_instance_9580;
+		mhba->io_seq = 0;
+		mhba->max_sge = MVUMI_MAX_SG_ENTRY;
+		break;
 	default:
 		dev_err(&mhba->pdev->dev, "device 0x%x not supported!\n",
 							mhba->pdev->device);
@@ -1717,15 +2394,21 @@ static int mvumi_init_fw(struct mvumi_hba *mhba)
 	}
 	dev_dbg(&mhba->pdev->dev, "device id : %04X is found.\n",
 							mhba->pdev->device);
-
-	mhba->handshake_page = kzalloc(HSP_MAX_SIZE, GFP_KERNEL);
+	ret = mvumi_cfg_hw_reg(mhba);
+	if (ret) {
+		dev_err(&mhba->pdev->dev,
+			"failed to allocate memory for reg\n");
+		ret = -ENOMEM;
+		goto fail_alloc_mem;
+	}
+	mhba->handshake_page = pci_alloc_consistent(mhba->pdev, HSP_MAX_SIZE,
+						&mhba->handshake_page_phys);
 	if (!mhba->handshake_page) {
 		dev_err(&mhba->pdev->dev,
 			"failed to allocate memory for handshake\n");
 		ret = -ENOMEM;
-		goto fail_alloc_mem;
+		goto fail_alloc_page;
 	}
-	mhba->handshake_page_phys = virt_to_phys(mhba->handshake_page);
 
 	if (mvumi_start(mhba)) {
 		ret = -EINVAL;
@@ -1739,7 +2422,10 @@ static int mvumi_init_fw(struct mvumi_hba *mhba)
 
 fail_ready_state:
 	mvumi_release_mem_resource(mhba);
-	kfree(mhba->handshake_page);
+	pci_free_consistent(mhba->pdev, HSP_MAX_SIZE,
+		mhba->handshake_page, mhba->handshake_page_phys);
+fail_alloc_page:
+	kfree(mhba->regs);
 fail_alloc_mem:
 	mvumi_unmap_pci_addr(mhba->pdev, mhba->base_addr);
 fail_ioremap:
@@ -1755,6 +2441,7 @@ fail_ioremap:
 static int mvumi_io_attach(struct mvumi_hba *mhba)
 {
 	struct Scsi_Host *host = mhba->shost;
+	struct scsi_device *sdev = NULL;
 	int ret;
 	unsigned int max_sg = (mhba->ib_max_size + 4 -
 		sizeof(struct mvumi_msg_frame)) / sizeof(struct mvumi_sgl);
@@ -1764,7 +2451,7 @@ static int mvumi_io_attach(struct mvumi_hba *mhba)
 	host->can_queue = (mhba->max_io - 1) ? (mhba->max_io - 1) : 1;
 	host->sg_tablesize = mhba->max_sge > max_sg ? max_sg : mhba->max_sge;
 	host->max_sectors = mhba->max_transfer_size / 512;
-	host->cmd_per_lun =  (mhba->max_io - 1) ? (mhba->max_io - 1) : 1;
+	host->cmd_per_lun = (mhba->max_io - 1) ? (mhba->max_io - 1) : 1;
 	host->max_id = mhba->max_target_id;
 	host->max_cmd_len = MAX_COMMAND_SIZE;
 	host->transportt = &mvumi_transport_template;
@@ -1775,9 +2462,43 @@ static int mvumi_io_attach(struct mvumi_hba *mhba)
 		return ret;
 	}
 	mhba->fw_flag |= MVUMI_FW_ATTACH;
-	scsi_scan_host(host);
 
+	mutex_lock(&mhba->sas_discovery_mutex);
+	if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9580)
+		ret = scsi_add_device(host, 0, mhba->max_target_id - 1, 0);
+	else
+		ret = 0;
+	if (ret) {
+		dev_err(&mhba->pdev->dev, "add virtual device failed\n");
+		mutex_unlock(&mhba->sas_discovery_mutex);
+		goto fail_add_device;
+	}
+
+	mhba->dm_thread = kthread_create(mvumi_rescan_bus,
+						mhba, "mvumi_scanthread");
+	if (IS_ERR(mhba->dm_thread)) {
+		dev_err(&mhba->pdev->dev,
+			"failed to create device scan thread\n");
+		mutex_unlock(&mhba->sas_discovery_mutex);
+		goto fail_create_thread;
+	}
+	atomic_set(&mhba->pnp_count, 1);
+	wake_up_process(mhba->dm_thread);
+
+	mutex_unlock(&mhba->sas_discovery_mutex);
 	return 0;
+
+fail_create_thread:
+	if (mhba->pdev->device == PCI_DEVICE_ID_MARVELL_MV9580)
+		sdev = scsi_device_lookup(mhba->shost, 0,
+						mhba->max_target_id - 1, 0);
+	if (sdev) {
+		scsi_remove_device(sdev);
+		scsi_device_put(sdev);
+	}
+fail_add_device:
+	scsi_remove_host(mhba->shost);
+	return ret;
 }
 
 /**
@@ -1828,8 +2549,12 @@ static int __devinit mvumi_probe_one(struct pci_dev *pdev,
 	INIT_LIST_HEAD(&mhba->free_ob_list);
 	INIT_LIST_HEAD(&mhba->res_list);
 	INIT_LIST_HEAD(&mhba->waiting_req_list);
+	mutex_init(&mhba->device_lock);
+	INIT_LIST_HEAD(&mhba->mhba_dev_list);
+	INIT_LIST_HEAD(&mhba->shost_dev_list);
 	atomic_set(&mhba->fw_outstanding, 0);
 	init_waitqueue_head(&mhba->int_cmd_wait_q);
+	mutex_init(&mhba->sas_discovery_mutex);
 
 	mhba->pdev = pdev;
 	mhba->shost = host;
@@ -1845,19 +2570,22 @@ static int __devinit mvumi_probe_one(struct pci_dev *pdev,
 		dev_err(&pdev->dev, "failed to register IRQ\n");
 		goto fail_init_irq;
 	}
-	mhba->instancet->enable_intr(mhba->mmio);
+
+	mhba->instancet->enable_intr(mhba);
 	pci_set_drvdata(pdev, mhba);
 
 	ret = mvumi_io_attach(mhba);
 	if (ret)
 		goto fail_io_attach;
+
+	mvumi_backup_bar_addr(mhba);
 	dev_dbg(&pdev->dev, "probe mvumi driver successfully.\n");
 
 	return 0;
 
 fail_io_attach:
 	pci_set_drvdata(pdev, NULL);
-	mhba->instancet->disable_intr(mhba->mmio);
+	mhba->instancet->disable_intr(mhba);
 	free_irq(mhba->pdev->irq, mhba);
 fail_init_irq:
 	mvumi_release_fw(mhba);
@@ -1877,11 +2605,17 @@ static void mvumi_detach_one(struct pci_dev *pdev)
 	struct mvumi_hba *mhba;
 
 	mhba = pci_get_drvdata(pdev);
+	if (mhba->dm_thread) {
+		kthread_stop(mhba->dm_thread);
+		mhba->dm_thread = NULL;
+	}
+
+	mvumi_detach_devices(mhba);
 	host = mhba->shost;
 	scsi_remove_host(mhba->shost);
 	mvumi_flush_cache(mhba);
 
-	mhba->instancet->disable_intr(mhba->mmio);
+	mhba->instancet->disable_intr(mhba);
 	free_irq(mhba->pdev->irq, mhba);
 	mvumi_release_fw(mhba);
 	scsi_host_put(host);
@@ -1909,7 +2643,7 @@ static int mvumi_suspend(struct pci_dev *pdev, pm_message_t state)
 	mvumi_flush_cache(mhba);
 
 	pci_set_drvdata(pdev, mhba);
-	mhba->instancet->disable_intr(mhba->mmio);
+	mhba->instancet->disable_intr(mhba);
 	free_irq(mhba->pdev->irq, mhba);
 	mvumi_unmap_pci_addr(pdev, mhba->base_addr);
 	pci_release_regions(pdev);
@@ -1956,8 +2690,13 @@ static int mvumi_resume(struct pci_dev *pdev)
 	if (ret)
 		goto release_regions;
 
+	if (mvumi_cfg_hw_reg(mhba)) {
+		ret = -EINVAL;
+		goto unmap_pci_addr;
+	}
+
 	mhba->mmio = mhba->base_addr[0];
-	mvumi_reset(mhba->mmio);
+	mvumi_reset(mhba);
 
 	if (mvumi_start(mhba)) {
 		ret = -EINVAL;
@@ -1970,7 +2709,7 @@ static int mvumi_resume(struct pci_dev *pdev)
 		dev_err(&pdev->dev, "failed to register IRQ\n");
 		goto unmap_pci_addr;
 	}
-	mhba->instancet->enable_intr(mhba->mmio);
+	mhba->instancet->enable_intr(mhba);
 
 	return 0;
 
diff --git a/drivers/scsi/mvumi.h b/drivers/scsi/mvumi.h
index 10b9237566f..e360135fd1b 100644
--- a/drivers/scsi/mvumi.h
+++ b/drivers/scsi/mvumi.h
@@ -34,51 +34,87 @@
 #define MV_DRIVER_NAME			"mvumi"
 #define PCI_VENDOR_ID_MARVELL_2		0x1b4b
 #define PCI_DEVICE_ID_MARVELL_MV9143	0x9143
+#define PCI_DEVICE_ID_MARVELL_MV9580	0x9580
 
 #define MVUMI_INTERNAL_CMD_WAIT_TIME	45
+#define MVUMI_INQUIRY_LENGTH		44
+#define MVUMI_INQUIRY_UUID_OFF		36
+#define MVUMI_INQUIRY_UUID_LEN		8
 
 #define IS_DMA64			(sizeof(dma_addr_t) == 8)
 
 enum mvumi_qc_result {
-	MV_QUEUE_COMMAND_RESULT_SENT	= 0,
+	MV_QUEUE_COMMAND_RESULT_SENT = 0,
 	MV_QUEUE_COMMAND_RESULT_NO_RESOURCE,
 };
 
-enum {
-	/*******************************************/
-
-	/* ARM Mbus Registers Map	*/
-
-	/*******************************************/
-	CPU_MAIN_INT_CAUSE_REG	= 0x20200,
-	CPU_MAIN_IRQ_MASK_REG	= 0x20204,
-	CPU_MAIN_FIQ_MASK_REG	= 0x20208,
-	CPU_ENPOINTA_MASK_REG	= 0x2020C,
-	CPU_ENPOINTB_MASK_REG	= 0x20210,
-
-	INT_MAP_COMAERR		= 1 << 6,
-	INT_MAP_COMAIN		= 1 << 7,
-	INT_MAP_COMAOUT		= 1 << 8,
-	INT_MAP_COMBERR		= 1 << 9,
-	INT_MAP_COMBIN		= 1 << 10,
-	INT_MAP_COMBOUT		= 1 << 11,
-
-	INT_MAP_COMAINT	= (INT_MAP_COMAOUT | INT_MAP_COMAERR),
-	INT_MAP_COMBINT	= (INT_MAP_COMBOUT | INT_MAP_COMBIN | INT_MAP_COMBERR),
-
-	INT_MAP_DL_PCIEA2CPU	= 1 << 0,
-	INT_MAP_DL_CPU2PCIEA	= 1 << 1,
-
-	/***************************************/
+struct mvumi_hw_regs {
+	/* For CPU */
+	void *main_int_cause_reg;
+	void *enpointa_mask_reg;
+	void *enpointb_mask_reg;
+	void *rstoutn_en_reg;
+	void *ctrl_sts_reg;
+	void *rstoutn_mask_reg;
+	void *sys_soft_rst_reg;
+
+	/* For Doorbell */
+	void *pciea_to_arm_drbl_reg;
+	void *arm_to_pciea_drbl_reg;
+	void *arm_to_pciea_mask_reg;
+	void *pciea_to_arm_msg0;
+	void *pciea_to_arm_msg1;
+	void *arm_to_pciea_msg0;
+	void *arm_to_pciea_msg1;
+
+	/* reset register */
+	void *reset_request;
+	void *reset_enable;
+
+	/* For Message Unit */
+	void *inb_list_basel;
+	void *inb_list_baseh;
+	void *inb_aval_count_basel;
+	void *inb_aval_count_baseh;
+	void *inb_write_pointer;
+	void *inb_read_pointer;
+	void *outb_list_basel;
+	void *outb_list_baseh;
+	void *outb_copy_basel;
+	void *outb_copy_baseh;
+	void *outb_copy_pointer;
+	void *outb_read_pointer;
+	void *inb_isr_cause;
+	void *outb_isr_cause;
+	void *outb_coal_cfg;
+	void *outb_coal_timeout;
+
+	/* Bit setting for HW */
+	u32 int_comaout;
+	u32 int_comaerr;
+	u32 int_dl_cpu2pciea;
+	u32 int_mu;
+	u32 int_drbl_int_mask;
+	u32 int_main_int_mask;
+	u32 cl_pointer_toggle;
+	u32 cl_slot_num_mask;
+	u32 clic_irq;
+	u32 clic_in_err;
+	u32 clic_out_err;
+};
 
-	/* ARM Doorbell Registers Map		*/
+struct mvumi_dyn_list_entry {
+	u32 src_low_addr;
+	u32 src_high_addr;
+	u32 if_length;
+	u32 reserve;
+};
 
-	/***************************************/
-	CPU_PCIEA_TO_ARM_DRBL_REG	= 0x20400,
-	CPU_PCIEA_TO_ARM_MASK_REG	= 0x20404,
-	CPU_ARM_TO_PCIEA_DRBL_REG	= 0x20408,
-	CPU_ARM_TO_PCIEA_MASK_REG	= 0x2040C,
+#define SCSI_CMD_MARVELL_SPECIFIC	0xE1
+#define CDB_CORE_MODULE			0x1
+#define CDB_CORE_SHUTDOWN		0xB
 
+enum {
 	DRBL_HANDSHAKE			= 1 << 0,
 	DRBL_SOFT_RESET			= 1 << 1,
 	DRBL_BUS_CHANGE			= 1 << 2,
@@ -86,46 +122,6 @@ enum {
 	DRBL_MU_RESET			= 1 << 4,
 	DRBL_HANDSHAKE_ISR		= DRBL_HANDSHAKE,
 
-	CPU_PCIEA_TO_ARM_MSG0		= 0x20430,
-	CPU_PCIEA_TO_ARM_MSG1		= 0x20434,
-	CPU_ARM_TO_PCIEA_MSG0		= 0x20438,
-	CPU_ARM_TO_PCIEA_MSG1		= 0x2043C,
-
-	/*******************************************/
-
-	/* ARM Communication List Registers Map    */
-
-	/*******************************************/
-	CLA_INB_LIST_BASEL		= 0x500,
-	CLA_INB_LIST_BASEH		= 0x504,
-	CLA_INB_AVAL_COUNT_BASEL	= 0x508,
-	CLA_INB_AVAL_COUNT_BASEH	= 0x50C,
-	CLA_INB_DESTI_LIST_BASEL	= 0x510,
-	CLA_INB_DESTI_LIST_BASEH	= 0x514,
-	CLA_INB_WRITE_POINTER		= 0x518,
-	CLA_INB_READ_POINTER		= 0x51C,
-
-	CLA_OUTB_LIST_BASEL		= 0x530,
-	CLA_OUTB_LIST_BASEH		= 0x534,
-	CLA_OUTB_SOURCE_LIST_BASEL	= 0x538,
-	CLA_OUTB_SOURCE_LIST_BASEH	= 0x53C,
-	CLA_OUTB_COPY_POINTER		= 0x544,
-	CLA_OUTB_READ_POINTER		= 0x548,
-
-	CLA_ISR_CAUSE			= 0x560,
-	CLA_ISR_MASK			= 0x564,
-
-	INT_MAP_MU		= (INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAINT),
-
-	CL_POINTER_TOGGLE		= 1 << 12,
-
-	CLIC_IN_IRQ			= 1 << 0,
-	CLIC_OUT_IRQ			= 1 << 1,
-	CLIC_IN_ERR_IRQ			= 1 << 8,
-	CLIC_OUT_ERR_IRQ		= 1 << 12,
-
-	CL_SLOT_NUM_MASK		= 0xFFF,
-
 	/*
 	* Command flag is the flag for the CDB command itself
 	*/
@@ -137,15 +133,23 @@ enum {
 	CMD_FLAG_DATA_IN		= 1 << 3,
 	/* 1-host write data */
 	CMD_FLAG_DATA_OUT		= 1 << 4,
-
-	SCSI_CMD_MARVELL_SPECIFIC	= 0xE1,
-	CDB_CORE_SHUTDOWN		= 0xB,
+	CMD_FLAG_PRDT_IN_HOST		= 1 << 5,
 };
 
 #define APICDB0_EVENT			0xF4
 #define APICDB1_EVENT_GETEVENT		0
+#define APICDB1_HOST_GETEVENT		1
 #define MAX_EVENTS_RETURNED		6
 
+#define DEVICE_OFFLINE	0
+#define DEVICE_ONLINE	1
+
+struct mvumi_hotplug_event {
+	u16 size;
+	u8 dummy[2];
+	u8 bitmap[0];
+};
+
 struct mvumi_driver_event {
 	u32	time_stamp;
 	u32	sequence_no;
@@ -172,8 +176,14 @@ struct mvumi_events_wq {
 	void *param;
 };
 
+#define HS_CAPABILITY_SUPPORT_COMPACT_SG	(1U << 4)
+#define HS_CAPABILITY_SUPPORT_PRD_HOST		(1U << 5)
+#define HS_CAPABILITY_SUPPORT_DYN_SRC		(1U << 6)
+#define HS_CAPABILITY_NEW_PAGE_IO_DEPTH_DEF	(1U << 14)
+
 #define MVUMI_MAX_SG_ENTRY	32
 #define SGD_EOT			(1L << 27)
+#define SGD_EOT_CP		(1L << 22)
 
 struct mvumi_sgl {
 	u32	baseaddr_l;
@@ -181,6 +191,39 @@ struct mvumi_sgl {
 	u32	flags;
 	u32	size;
 };
+struct mvumi_compact_sgl {
+	u32	baseaddr_l;
+	u32	baseaddr_h;
+	u32	flags;
+};
+
+#define GET_COMPACT_SGD_SIZE(sgd)	\
+	((((struct mvumi_compact_sgl *)(sgd))->flags) & 0x3FFFFFL)
+
+#define SET_COMPACT_SGD_SIZE(sgd, sz) do {			\
+	(((struct mvumi_compact_sgl *)(sgd))->flags) &= ~0x3FFFFFL;	\
+	(((struct mvumi_compact_sgl *)(sgd))->flags) |= (sz);		\
+} while (0)
+#define sgd_getsz(_mhba, sgd, sz) do {				\
+	if (_mhba->hba_capability & HS_CAPABILITY_SUPPORT_COMPACT_SG)	\
+		(sz) = GET_COMPACT_SGD_SIZE(sgd);	\
+	else \
+		(sz) = (sgd)->size;			\
+} while (0)
+
+#define sgd_setsz(_mhba, sgd, sz) do {				\
+	if (_mhba->hba_capability & HS_CAPABILITY_SUPPORT_COMPACT_SG)	\
+		SET_COMPACT_SGD_SIZE(sgd, sz);		\
+	else \
+		(sgd)->size = (sz);			\
+} while (0)
+
+#define sgd_inc(_mhba, sgd) do {	\
+	if (_mhba->hba_capability & HS_CAPABILITY_SUPPORT_COMPACT_SG)	\
+		sgd = (struct mvumi_sgl *)(((unsigned char *) (sgd)) + 12); \
+	else \
+		sgd = (struct mvumi_sgl *)(((unsigned char *) (sgd)) + 16); \
+} while (0)
 
 struct mvumi_res {
 	struct list_head entry;
@@ -197,7 +240,7 @@ enum resource_type {
 };
 
 struct mvumi_sense_data {
-	u8 error_eode:7;
+	u8 error_code:7;
 	u8 valid:1;
 	u8 segment_number;
 	u8 sense_key:4;
@@ -220,6 +263,7 @@ struct mvumi_sense_data {
 struct mvumi_cmd {
 	struct list_head queue_pointer;
 	struct mvumi_msg_frame *frame;
+	dma_addr_t frame_phys;
 	struct scsi_cmnd *scmd;
 	atomic_t sync_cmd;
 	void *data_buf;
@@ -393,7 +437,8 @@ struct mvumi_hs_page2 {
 	u16 frame_length;
 
 	u8 host_type;
-	u8 reserved[3];
+	u8 host_cap;
+	u8 reserved[2];
 	struct version_info host_ver;
 	u32 system_io_bus;
 	u32 slot_number;
@@ -435,8 +480,17 @@ struct mvumi_tag {
 	unsigned short size;
 };
 
+struct mvumi_device {
+	struct list_head list;
+	struct scsi_device *sdev;
+	u64	wwid;
+	u8	dev_type;
+	int	id;
+};
+
 struct mvumi_hba {
 	void *base_addr[MAX_BASE_ADDRESS];
+	u32 pci_base[MAX_BASE_ADDRESS];
 	void *mmio;
 	struct list_head cmd_pool;
 	struct Scsi_Host *shost;
@@ -449,6 +503,9 @@ struct mvumi_hba {
 	void *ib_list;
 	dma_addr_t ib_list_phys;
 
+	void *ib_frame;
+	dma_addr_t ib_frame_phys;
+
 	void *ob_list;
 	dma_addr_t ob_list_phys;
 
@@ -477,12 +534,14 @@ struct mvumi_hba {
 	unsigned char hba_total_pages;
 	unsigned char fw_flag;
 	unsigned char request_id_enabled;
+	unsigned char eot_flag;
 	unsigned short hba_capability;
 	unsigned short io_seq;
 
 	unsigned int ib_cur_slot;
 	unsigned int ob_cur_slot;
 	unsigned int fw_state;
+	struct mutex sas_discovery_mutex;
 
 	struct list_head ob_data_list;
 	struct list_head free_ob_list;
@@ -491,14 +550,24 @@ struct mvumi_hba {
 
 	struct mvumi_tag tag_pool;
 	struct mvumi_cmd **tag_cmd;
+	struct mvumi_hw_regs *regs;
+	struct mutex device_lock;
+	struct list_head mhba_dev_list;
+	struct list_head shost_dev_list;
+	struct task_struct *dm_thread;
+	atomic_t pnp_count;
 };
 
 struct mvumi_instance_template {
-	void (*fire_cmd)(struct mvumi_hba *, struct mvumi_cmd *);
-	void (*enable_intr)(void *) ;
-	void (*disable_intr)(void *);
-	int (*clear_intr)(void *);
-	unsigned int (*read_fw_status_reg)(void *);
+	void (*fire_cmd) (struct mvumi_hba *, struct mvumi_cmd *);
+	void (*enable_intr) (struct mvumi_hba *);
+	void (*disable_intr) (struct mvumi_hba *);
+	int (*clear_intr) (void *);
+	unsigned int (*read_fw_status_reg) (struct mvumi_hba *);
+	unsigned int (*check_ib_list) (struct mvumi_hba *);
+	int (*check_ob_list) (struct mvumi_hba *, unsigned int *,
+			      unsigned int *);
+	int (*reset_host) (struct mvumi_hba *);
 };
 
 extern struct timezone sys_tz;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 799a58bb985..48fca47384b 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2080,6 +2080,7 @@ qla2x00_configure_hba(scsi_qla_host_t *vha)
 	uint8_t       domain;
 	char		connect_type[22];
 	struct qla_hw_data *ha = vha->hw;
+	unsigned long flags;
 
 	/* Get host addresses. */
 	rval = qla2x00_get_adapter_id(vha,
@@ -2154,9 +2155,9 @@ qla2x00_configure_hba(scsi_qla_host_t *vha)
 	vha->d_id.b.area = area;
 	vha->d_id.b.al_pa = al_pa;
 
-	spin_lock(&ha->vport_slock);
+	spin_lock_irqsave(&ha->vport_slock, flags);
 	qlt_update_vp_map(vha, SET_AL_PA);
-	spin_unlock(&ha->vport_slock);
+	spin_unlock_irqrestore(&ha->vport_slock, flags);
 
 	if (!vha->flags.init_done)
 		ql_log(ql_log_info, vha, 0x2010,
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index bd4708a422c..20fd974f903 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -149,6 +149,7 @@ qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha)
 int
 qla24xx_disable_vp(scsi_qla_host_t *vha)
 {
+	unsigned long flags;
 	int ret;
 
 	ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
@@ -156,7 +157,9 @@ qla24xx_disable_vp(scsi_qla_host_t *vha)
 	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 
 	/* Remove port id from vp target map */
+	spin_lock_irqsave(&vha->hw->vport_slock, flags);
 	qlt_update_vp_map(vha, RESET_AL_PA);
+	spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
 
 	qla2x00_mark_vp_devices_dead(vha);
 	atomic_set(&vha->vp_state, VP_FAILED);
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index bddc97c5c8e..62aa5584f64 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -557,6 +557,7 @@ static bool qlt_check_fcport_exist(struct scsi_qla_host *vha,
 	int pmap_len;
 	fc_port_t *fcport;
 	int global_resets;
+	unsigned long flags;
 
 retry:
 	global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
@@ -625,10 +626,10 @@ retry:
 	    sess->s_id.b.area, sess->loop_id, fcport->d_id.b.domain,
 	    fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id);
 
-	sess->s_id = fcport->d_id;
-	sess->loop_id = fcport->loop_id;
-	sess->conf_compl_supported = !!(fcport->flags &
-	    FCF_CONF_COMP_SUPPORTED);
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
+				(fcport->flags & FCF_CONF_COMP_SUPPORTED));
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	res = true;
 
@@ -740,10 +741,9 @@ static struct qla_tgt_sess *qlt_create_sess(
 				qlt_undelete_sess(sess);
 
 			kref_get(&sess->se_sess->sess_kref);
-			sess->s_id = fcport->d_id;
-			sess->loop_id = fcport->loop_id;
-			sess->conf_compl_supported = !!(fcport->flags &
-			    FCF_CONF_COMP_SUPPORTED);
+			ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
+						(fcport->flags & FCF_CONF_COMP_SUPPORTED));
+
 			if (sess->local && !local)
 				sess->local = 0;
 			spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -796,8 +796,7 @@ static struct qla_tgt_sess *qlt_create_sess(
 	 */
 	kref_get(&sess->se_sess->sess_kref);
 
-	sess->conf_compl_supported = !!(fcport->flags &
-	    FCF_CONF_COMP_SUPPORTED);
+	sess->conf_compl_supported = (fcport->flags & FCF_CONF_COMP_SUPPORTED);
 	BUILD_BUG_ON(sizeof(sess->port_name) != sizeof(fcport->port_name));
 	memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name));
 
@@ -869,10 +868,8 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
 			ql_dbg(ql_dbg_tgt_mgt, vha, 0xf007,
 			    "Reappeared sess %p\n", sess);
 		}
-		sess->s_id = fcport->d_id;
-		sess->loop_id = fcport->loop_id;
-		sess->conf_compl_supported = !!(fcport->flags &
-		    FCF_CONF_COMP_SUPPORTED);
+		ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
+					(fcport->flags & FCF_CONF_COMP_SUPPORTED));
 	}
 
 	if (sess && sess->local) {
@@ -1403,7 +1400,7 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha,
 	ctio->u.status1.scsi_status =
 	    __constant_cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID);
 	ctio->u.status1.response_len = __constant_cpu_to_le16(8);
-	((uint32_t *)ctio->u.status1.sense_data)[0] = cpu_to_be32(resp_code);
+	ctio->u.status1.sense_data[0] = resp_code;
 
 	qla2x00_start_iocbs(ha, ha->req);
 }
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 170af157121..bad749561ec 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -648,6 +648,7 @@ struct qla_tgt_func_tmpl {
 
 	int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
 					void *, uint8_t *, uint16_t);
+	void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool);
 	struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *,
 						const uint16_t);
 	struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *,
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 4752f65a927..3d74f2f39ae 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -237,7 +237,7 @@ static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg)
 				struct tcm_qla2xxx_tpg, se_tpg);
 	struct tcm_qla2xxx_lport *lport = tpg->lport;
 
-	return &lport->lport_name[0];
+	return lport->lport_naa_name;
 }
 
 static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg)
@@ -735,17 +735,6 @@ static int tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd)
 	return 0;
 }
 
-static u16 tcm_qla2xxx_get_fabric_sense_len(void)
-{
-	return 0;
-}
-
-static u16 tcm_qla2xxx_set_fabric_sense_len(struct se_cmd *se_cmd,
-					u32 sense_length)
-{
-	return 0;
-}
-
 /* Local pointer to allocated TCM configfs fabric module */
 struct target_fabric_configfs *tcm_qla2xxx_fabric_configfs;
 struct target_fabric_configfs *tcm_qla2xxx_npiv_fabric_configfs;
@@ -1468,6 +1457,78 @@ static int tcm_qla2xxx_check_initiator_node_acl(
 	return 0;
 }
 
+static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id,
+				    uint16_t loop_id, bool conf_compl_supported)
+{
+	struct qla_tgt *tgt = sess->tgt;
+	struct qla_hw_data *ha = tgt->ha;
+	struct tcm_qla2xxx_lport *lport = ha->tgt.target_lport_ptr;
+	struct se_node_acl *se_nacl = sess->se_sess->se_node_acl;
+	struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl,
+			struct tcm_qla2xxx_nacl, se_node_acl);
+	u32 key;
+
+
+	if (sess->loop_id != loop_id || sess->s_id.b24 != s_id.b24)
+		pr_info("Updating session %p from port %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n",
+			sess,
+			sess->port_name[0], sess->port_name[1],
+			sess->port_name[2], sess->port_name[3],
+			sess->port_name[4], sess->port_name[5],
+			sess->port_name[6], sess->port_name[7],
+			sess->loop_id, loop_id,
+			sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa,
+			s_id.b.domain, s_id.b.area, s_id.b.al_pa);
+
+	if (sess->loop_id != loop_id) {
+		/*
+		 * Because we can shuffle loop IDs around and we
+		 * update different sessions non-atomically, we might
+		 * have overwritten this session's old loop ID
+		 * already, and we might end up overwriting some other
+		 * session that will be updated later.  So we have to
+		 * be extra careful and we can't warn about those things...
+		 */
+		if (lport->lport_loopid_map[sess->loop_id].se_nacl == se_nacl)
+			lport->lport_loopid_map[sess->loop_id].se_nacl = NULL;
+
+		lport->lport_loopid_map[loop_id].se_nacl = se_nacl;
+
+		sess->loop_id = loop_id;
+	}
+
+	if (sess->s_id.b24 != s_id.b24) {
+		key = (((u32) sess->s_id.b.domain << 16) |
+		       ((u32) sess->s_id.b.area   <<  8) |
+		       ((u32) sess->s_id.b.al_pa));
+
+		if (btree_lookup32(&lport->lport_fcport_map, key))
+			WARN(btree_remove32(&lport->lport_fcport_map, key) != se_nacl,
+			     "Found wrong se_nacl when updating s_id %x:%x:%x\n",
+			     sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa);
+		else
+			WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n",
+			     sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa);
+
+		key = (((u32) s_id.b.domain << 16) |
+		       ((u32) s_id.b.area   <<  8) |
+		       ((u32) s_id.b.al_pa));
+
+		if (btree_lookup32(&lport->lport_fcport_map, key)) {
+			WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n",
+			     s_id.b.domain, s_id.b.area, s_id.b.al_pa);
+			btree_update32(&lport->lport_fcport_map, key, se_nacl);
+		} else {
+			btree_insert32(&lport->lport_fcport_map, key, se_nacl, GFP_ATOMIC);
+		}
+
+		sess->s_id = s_id;
+		nacl->nport_id = key;
+	}
+
+	sess->conf_compl_supported = conf_compl_supported;
+}
+
 /*
  * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path.
  */
@@ -1478,6 +1539,7 @@ static struct qla_tgt_func_tmpl tcm_qla2xxx_template = {
 	.free_cmd		= tcm_qla2xxx_free_cmd,
 	.free_mcmd		= tcm_qla2xxx_free_mcmd,
 	.free_session		= tcm_qla2xxx_free_session,
+	.update_sess		= tcm_qla2xxx_update_sess,
 	.check_initiator_node_acl = tcm_qla2xxx_check_initiator_node_acl,
 	.find_sess_by_s_id	= tcm_qla2xxx_find_sess_by_s_id,
 	.find_sess_by_loop_id	= tcm_qla2xxx_find_sess_by_loop_id,
@@ -1545,6 +1607,7 @@ static struct se_wwn *tcm_qla2xxx_make_lport(
 	lport->lport_wwpn = wwpn;
 	tcm_qla2xxx_format_wwn(&lport->lport_name[0], TCM_QLA2XXX_NAMELEN,
 				wwpn);
+	sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) wwpn);
 
 	ret = tcm_qla2xxx_init_lport(lport);
 	if (ret != 0)
@@ -1612,6 +1675,7 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
 	lport->lport_npiv_wwnn = npiv_wwnn;
 	tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0],
 			TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn);
+	sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn);
 
 /* FIXME: tcm_qla2xxx_npiv_make_lport */
 	ret = -ENOSYS;
@@ -1691,8 +1755,6 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = {
 	.queue_data_in			= tcm_qla2xxx_queue_data_in,
 	.queue_status			= tcm_qla2xxx_queue_status,
 	.queue_tm_rsp			= tcm_qla2xxx_queue_tm_rsp,
-	.get_fabric_sense_len		= tcm_qla2xxx_get_fabric_sense_len,
-	.set_fabric_sense_len		= tcm_qla2xxx_set_fabric_sense_len,
 	/*
 	 * Setup function pointers for generic logic in
 	 * target_core_fabric_configfs.c
@@ -1740,8 +1802,6 @@ static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
 	.queue_data_in			= tcm_qla2xxx_queue_data_in,
 	.queue_status			= tcm_qla2xxx_queue_status,
 	.queue_tm_rsp			= tcm_qla2xxx_queue_tm_rsp,
-	.get_fabric_sense_len		= tcm_qla2xxx_get_fabric_sense_len,
-	.set_fabric_sense_len		= tcm_qla2xxx_set_fabric_sense_len,
 	/*
 	 * Setup function pointers for generic logic in
 	 * target_core_fabric_configfs.c
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 82549810335..9ba075fe978 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -61,6 +61,8 @@ struct tcm_qla2xxx_lport {
 	u64 lport_npiv_wwnn;
 	/* ASCII formatted WWPN for FC Target Lport */
 	char lport_name[TCM_QLA2XXX_NAMELEN];
+	/* ASCII formatted naa WWPN for VPD page 83 etc */
+	char lport_naa_name[TCM_QLA2XXX_NAMELEN];
 	/* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */
 	char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN];
 	/* map for fc_port pointers in 24-bit FC Port ID space */
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 57fbd5a3d4e..5cda11c07c6 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2055,7 +2055,7 @@ static void unmap_region(sector_t lba, unsigned int len)
 		block = lba + alignment;
 		rem = do_div(block, granularity);
 
-		if (rem == 0 && lba + granularity <= end && block < map_size) {
+		if (rem == 0 && lba + granularity < end && block < map_size) {
 			clear_bit(block, map_storep);
 			if (scsi_debug_lbprz)
 				memset(fake_storep +
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index de2337f255a..c1b05a83d40 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -789,7 +789,6 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
 			     int cmnd_size, int timeout, unsigned sense_bytes)
 {
 	struct scsi_device *sdev = scmd->device;
-	struct scsi_driver *sdrv = scsi_cmd_to_driver(scmd);
 	struct Scsi_Host *shost = sdev->host;
 	DECLARE_COMPLETION_ONSTACK(done);
 	unsigned long timeleft;
@@ -845,8 +844,11 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
 
 	scsi_eh_restore_cmnd(scmd, &ses);
 
-	if (sdrv && sdrv->eh_action)
-		rtn = sdrv->eh_action(scmd, cmnd, cmnd_size, rtn);
+	if (scmd->request->cmd_type != REQ_TYPE_BLOCK_PC) {
+		struct scsi_driver *sdrv = scsi_cmd_to_driver(scmd);
+		if (sdrv->eh_action)
+			rtn = sdrv->eh_action(scmd, cmnd, cmnd_size, rtn);
+	}
 
 	return rtn;
 }
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 528d52beaa1..01440782feb 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1221,7 +1221,12 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
 	/*
 	 * At this point, all outstanding requests in the adapter
 	 * should have been flushed out and return to us
+	 * There is a potential race here where the host may be in
+	 * the process of responding when we return from here.
+	 * Just wait for all in-transit packets to be accounted for
+	 * before we return from here.
 	 */
+	storvsc_wait_to_drain(stor_device);
 
 	return SUCCESS;
 }
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 3e79a2f0004..595af1ae442 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -219,7 +219,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi,
 	struct scatterlist sg;
 	unsigned long flags;
 
-	sg_set_buf(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
+	sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
 
 	spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);
 
@@ -279,6 +279,31 @@ static void virtscsi_handle_transport_reset(struct virtio_scsi *vscsi,
 	}
 }
 
+static void virtscsi_handle_param_change(struct virtio_scsi *vscsi,
+					 struct virtio_scsi_event *event)
+{
+	struct scsi_device *sdev;
+	struct Scsi_Host *shost = virtio_scsi_host(vscsi->vdev);
+	unsigned int target = event->lun[1];
+	unsigned int lun = (event->lun[2] << 8) | event->lun[3];
+	u8 asc = event->reason & 255;
+	u8 ascq = event->reason >> 8;
+
+	sdev = scsi_device_lookup(shost, 0, target, lun);
+	if (!sdev) {
+		pr_err("SCSI device %d 0 %d %d not found\n",
+			shost->host_no, target, lun);
+		return;
+	}
+
+	/* Handle "Parameters changed", "Mode parameters changed", and
+	   "Capacity data has changed".  */
+	if (asc == 0x2a && (ascq == 0x00 || ascq == 0x01 || ascq == 0x09))
+		scsi_rescan_device(&sdev->sdev_gendev);
+
+	scsi_device_put(sdev);
+}
+
 static void virtscsi_handle_event(struct work_struct *work)
 {
 	struct virtio_scsi_event_node *event_node =
@@ -297,6 +322,9 @@ static void virtscsi_handle_event(struct work_struct *work)
 	case VIRTIO_SCSI_T_TRANSPORT_RESET:
 		virtscsi_handle_transport_reset(vscsi, event);
 		break;
+	case VIRTIO_SCSI_T_PARAM_CHANGE:
+		virtscsi_handle_param_change(vscsi, event);
+		break;
 	default:
 		pr_err("Unsupport virtio scsi event %x\n", event->event);
 	}
@@ -677,7 +705,11 @@ static int __devinit virtscsi_probe(struct virtio_device *vdev)
 	cmd_per_lun = virtscsi_config_get(vdev, cmd_per_lun) ?: 1;
 	shost->cmd_per_lun = min_t(u32, cmd_per_lun, shost->can_queue);
 	shost->max_sectors = virtscsi_config_get(vdev, max_sectors) ?: 0xFFFF;
-	shost->max_lun = virtscsi_config_get(vdev, max_lun) + 1;
+
+	/* LUNs > 256 are reported with format 1, so they go in the range
+	 * 16640-32767.
+	 */
+	shost->max_lun = virtscsi_config_get(vdev, max_lun) + 1 + 0x4000;
 	shost->max_id = num_targets;
 	shost->max_channel = 0;
 	shost->max_cmd_len = VIRTIO_SCSI_CDB_SIZE;
@@ -733,7 +765,8 @@ static struct virtio_device_id id_table[] = {
 };
 
 static unsigned int features[] = {
-	VIRTIO_SCSI_F_HOTPLUG
+	VIRTIO_SCSI_F_HOTPLUG,
+	VIRTIO_SCSI_F_CHANGE,
 };
 
 static struct virtio_driver virtio_scsi_driver = {
diff --git a/drivers/sh/intc/access.c b/drivers/sh/intc/access.c
index f892ae1d212..114390f967d 100644
--- a/drivers/sh/intc/access.c
+++ b/drivers/sh/intc/access.c
@@ -75,54 +75,61 @@ unsigned long intc_get_field_from_handle(unsigned int value, unsigned int handle
 static unsigned long test_8(unsigned long addr, unsigned long h,
 			    unsigned long ignore)
 {
-	return intc_get_field_from_handle(__raw_readb(addr), h);
+	void __iomem *ptr = (void __iomem *)addr;
+	return intc_get_field_from_handle(__raw_readb(ptr), h);
 }
 
 static unsigned long test_16(unsigned long addr, unsigned long h,
 			     unsigned long ignore)
 {
-	return intc_get_field_from_handle(__raw_readw(addr), h);
+	void __iomem *ptr = (void __iomem *)addr;
+	return intc_get_field_from_handle(__raw_readw(ptr), h);
 }
 
 static unsigned long test_32(unsigned long addr, unsigned long h,
 			     unsigned long ignore)
 {
-	return intc_get_field_from_handle(__raw_readl(addr), h);
+	void __iomem *ptr = (void __iomem *)addr;
+	return intc_get_field_from_handle(__raw_readl(ptr), h);
 }
 
 static unsigned long write_8(unsigned long addr, unsigned long h,
 			     unsigned long data)
 {
-	__raw_writeb(intc_set_field_from_handle(0, data, h), addr);
-	(void)__raw_readb(addr);	/* Defeat write posting */
+	void __iomem *ptr = (void __iomem *)addr;
+	__raw_writeb(intc_set_field_from_handle(0, data, h), ptr);
+	(void)__raw_readb(ptr);	/* Defeat write posting */
 	return 0;
 }
 
 static unsigned long write_16(unsigned long addr, unsigned long h,
 			      unsigned long data)
 {
-	__raw_writew(intc_set_field_from_handle(0, data, h), addr);
-	(void)__raw_readw(addr);	/* Defeat write posting */
+	void __iomem *ptr = (void __iomem *)addr;
+	__raw_writew(intc_set_field_from_handle(0, data, h), ptr);
+	(void)__raw_readw(ptr);	/* Defeat write posting */
 	return 0;
 }
 
 static unsigned long write_32(unsigned long addr, unsigned long h,
 			      unsigned long data)
 {
-	__raw_writel(intc_set_field_from_handle(0, data, h), addr);
-	(void)__raw_readl(addr);	/* Defeat write posting */
+	void __iomem *ptr = (void __iomem *)addr;
+	__raw_writel(intc_set_field_from_handle(0, data, h), ptr);
+	(void)__raw_readl(ptr);	/* Defeat write posting */
 	return 0;
 }
 
 static unsigned long modify_8(unsigned long addr, unsigned long h,
 			      unsigned long data)
 {
+	void __iomem *ptr = (void __iomem *)addr;
 	unsigned long flags;
 	unsigned int value;
 	local_irq_save(flags);
-	value = intc_set_field_from_handle(__raw_readb(addr), data, h);
-	__raw_writeb(value, addr);
-	(void)__raw_readb(addr);	/* Defeat write posting */
+	value = intc_set_field_from_handle(__raw_readb(ptr), data, h);
+	__raw_writeb(value, ptr);
+	(void)__raw_readb(ptr);	/* Defeat write posting */
 	local_irq_restore(flags);
 	return 0;
 }
@@ -130,12 +137,13 @@ static unsigned long modify_8(unsigned long addr, unsigned long h,
 static unsigned long modify_16(unsigned long addr, unsigned long h,
 			       unsigned long data)
 {
+	void __iomem *ptr = (void __iomem *)addr;
 	unsigned long flags;
 	unsigned int value;
 	local_irq_save(flags);
-	value = intc_set_field_from_handle(__raw_readw(addr), data, h);
-	__raw_writew(value, addr);
-	(void)__raw_readw(addr);	/* Defeat write posting */
+	value = intc_set_field_from_handle(__raw_readw(ptr), data, h);
+	__raw_writew(value, ptr);
+	(void)__raw_readw(ptr);	/* Defeat write posting */
 	local_irq_restore(flags);
 	return 0;
 }
@@ -143,12 +151,13 @@ static unsigned long modify_16(unsigned long addr, unsigned long h,
 static unsigned long modify_32(unsigned long addr, unsigned long h,
 			       unsigned long data)
 {
+	void __iomem *ptr = (void __iomem *)addr;
 	unsigned long flags;
 	unsigned int value;
 	local_irq_save(flags);
-	value = intc_set_field_from_handle(__raw_readl(addr), data, h);
-	__raw_writel(value, addr);
-	(void)__raw_readl(addr);	/* Defeat write posting */
+	value = intc_set_field_from_handle(__raw_readl(ptr), data, h);
+	__raw_writel(value, ptr);
+	(void)__raw_readl(ptr);	/* Defeat write posting */
 	local_irq_restore(flags);
 	return 0;
 }
diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c
index 012df2676a2..46427b48e2f 100644
--- a/drivers/sh/intc/chip.c
+++ b/drivers/sh/intc/chip.c
@@ -83,7 +83,7 @@ static void intc_mask_ack(struct irq_data *data)
 	unsigned int irq = data->irq;
 	struct intc_desc_int *d = get_intc_desc(irq);
 	unsigned long handle = intc_get_ack_handle(irq);
-	unsigned long addr;
+	void __iomem *addr;
 
 	intc_disable(data);
 
@@ -91,7 +91,7 @@ static void intc_mask_ack(struct irq_data *data)
 	if (handle) {
 		unsigned int value;
 
-		addr = INTC_REG(d, _INTC_ADDR_D(handle), 0);
+		addr = (void __iomem *)INTC_REG(d, _INTC_ADDR_D(handle), 0);
 		value = intc_set_field_from_handle(0, 1, handle);
 
 		switch (_INTC_FN(handle)) {
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 8c2ff2490d9..1acae359cab 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -134,6 +134,7 @@ config SPI_DAVINCI
 	tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller"
 	depends on ARCH_DAVINCI
 	select SPI_BITBANG
+	select TI_EDMA
 	help
 	  SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules.
 
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 3afe2f4f5b8..147dfa87a64 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -25,13 +25,14 @@
 #include <linux/platform_device.h>
 #include <linux/err.h>
 #include <linux/clk.h>
+#include <linux/dmaengine.h>
 #include <linux/dma-mapping.h>
+#include <linux/edma.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
 #include <linux/slab.h>
 
 #include <linux/platform_data/spi-davinci.h>
-#include <mach/edma.h>
 
 #define SPI_NO_RESOURCE		((resource_size_t)-1)
 
@@ -113,14 +114,6 @@
 #define SPIDEF		0x4c
 #define SPIFMT0		0x50
 
-/* We have 2 DMA channels per CS, one for RX and one for TX */
-struct davinci_spi_dma {
-	int			tx_channel;
-	int			rx_channel;
-	int			dummy_param_slot;
-	enum dma_event_q	eventq;
-};
-
 /* SPI Controller driver's private data. */
 struct davinci_spi {
 	struct spi_bitbang	bitbang;
@@ -134,11 +127,14 @@ struct davinci_spi {
 
 	const void		*tx;
 	void			*rx;
-#define SPI_TMP_BUFSZ	(SMP_CACHE_BYTES + 1)
-	u8			rx_tmp_buf[SPI_TMP_BUFSZ];
 	int			rcount;
 	int			wcount;
-	struct davinci_spi_dma	dma;
+
+	struct dma_chan		*dma_rx;
+	struct dma_chan		*dma_tx;
+	int			dma_rx_chnum;
+	int			dma_tx_chnum;
+
 	struct davinci_spi_platform_data *pdata;
 
 	void			(*get_rx)(u32 rx_data, struct davinci_spi *);
@@ -496,21 +492,23 @@ out:
 	return errors;
 }
 
-static void davinci_spi_dma_callback(unsigned lch, u16 status, void *data)
+static void davinci_spi_dma_rx_callback(void *data)
 {
-	struct davinci_spi *dspi = data;
-	struct davinci_spi_dma *dma = &dspi->dma;
+	struct davinci_spi *dspi = (struct davinci_spi *)data;
 
-	edma_stop(lch);
+	dspi->rcount = 0;
 
-	if (status == DMA_COMPLETE) {
-		if (lch == dma->rx_channel)
-			dspi->rcount = 0;
-		if (lch == dma->tx_channel)
-			dspi->wcount = 0;
-	}
+	if (!dspi->wcount && !dspi->rcount)
+		complete(&dspi->done);
+}
 
-	if ((!dspi->wcount && !dspi->rcount) || (status != DMA_COMPLETE))
+static void davinci_spi_dma_tx_callback(void *data)
+{
+	struct davinci_spi *dspi = (struct davinci_spi *)data;
+
+	dspi->wcount = 0;
+
+	if (!dspi->wcount && !dspi->rcount)
 		complete(&dspi->done);
 }
 
@@ -526,20 +524,20 @@ static void davinci_spi_dma_callback(unsigned lch, u16 status, void *data)
 static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
 {
 	struct davinci_spi *dspi;
-	int data_type, ret;
+	int data_type, ret = -ENOMEM;
 	u32 tx_data, spidat1;
 	u32 errors = 0;
 	struct davinci_spi_config *spicfg;
 	struct davinci_spi_platform_data *pdata;
 	unsigned uninitialized_var(rx_buf_count);
-	struct device *sdev;
+	void *dummy_buf = NULL;
+	struct scatterlist sg_rx, sg_tx;
 
 	dspi = spi_master_get_devdata(spi->master);
 	pdata = dspi->pdata;
 	spicfg = (struct davinci_spi_config *)spi->controller_data;
 	if (!spicfg)
 		spicfg = &davinci_spi_default_cfg;
-	sdev = dspi->bitbang.master->dev.parent;
 
 	/* convert len to words based on bits_per_word */
 	data_type = dspi->bytes_per_word[spi->chip_select];
@@ -567,112 +565,83 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
 		spidat1 |= tx_data & 0xFFFF;
 		iowrite32(spidat1, dspi->base + SPIDAT1);
 	} else {
-		struct davinci_spi_dma *dma;
-		unsigned long tx_reg, rx_reg;
-		struct edmacc_param param;
-		void *rx_buf;
-		int b, c;
-
-		dma = &dspi->dma;
-
-		tx_reg = (unsigned long)dspi->pbase + SPIDAT1;
-		rx_reg = (unsigned long)dspi->pbase + SPIBUF;
-
-		/*
-		 * Transmit DMA setup
-		 *
-		 * If there is transmit data, map the transmit buffer, set it
-		 * as the source of data and set the source B index to data
-		 * size. If there is no transmit data, set the transmit register
-		 * as the source of data, and set the source B index to zero.
-		 *
-		 * The destination is always the transmit register itself. And
-		 * the destination never increments.
-		 */
-
-		if (t->tx_buf) {
-			t->tx_dma = dma_map_single(&spi->dev, (void *)t->tx_buf,
-						t->len, DMA_TO_DEVICE);
-			if (dma_mapping_error(&spi->dev, t->tx_dma)) {
-				dev_dbg(sdev, "Unable to DMA map %d bytes"
-						"TX buffer\n", t->len);
-				return -ENOMEM;
-			}
-		}
-
-		/*
-		 * If number of words is greater than 65535, then we need
-		 * to configure a 3 dimension transfer.  Use the BCNTRLD
-		 * feature to allow for transfers that aren't even multiples
-		 * of 65535 (or any other possible b size) by first transferring
-		 * the remainder amount then grabbing the next N blocks of
-		 * 65535 words.
-		 */
-
-		c = dspi->wcount / (SZ_64K - 1);	/* N 65535 Blocks */
-		b = dspi->wcount - c * (SZ_64K - 1);	/* Remainder */
-		if (b)
-			c++;
+		struct dma_slave_config dma_rx_conf = {
+			.direction = DMA_DEV_TO_MEM,
+			.src_addr = (unsigned long)dspi->pbase + SPIBUF,
+			.src_addr_width = data_type,
+			.src_maxburst = 1,
+		};
+		struct dma_slave_config dma_tx_conf = {
+			.direction = DMA_MEM_TO_DEV,
+			.dst_addr = (unsigned long)dspi->pbase + SPIDAT1,
+			.dst_addr_width = data_type,
+			.dst_maxburst = 1,
+		};
+		struct dma_async_tx_descriptor *rxdesc;
+		struct dma_async_tx_descriptor *txdesc;
+		void *buf;
+
+		dummy_buf = kzalloc(t->len, GFP_KERNEL);
+		if (!dummy_buf)
+			goto err_alloc_dummy_buf;
+
+		dmaengine_slave_config(dspi->dma_rx, &dma_rx_conf);
+		dmaengine_slave_config(dspi->dma_tx, &dma_tx_conf);
+
+		sg_init_table(&sg_rx, 1);
+		if (!t->rx_buf)
+			buf = dummy_buf;
 		else
-			b = SZ_64K - 1;
-
-		param.opt = TCINTEN | EDMA_TCC(dma->tx_channel);
-		param.src = t->tx_buf ? t->tx_dma : tx_reg;
-		param.a_b_cnt = b << 16 | data_type;
-		param.dst = tx_reg;
-		param.src_dst_bidx = t->tx_buf ? data_type : 0;
-		param.link_bcntrld = 0xffffffff;
-		param.src_dst_cidx = t->tx_buf ? data_type : 0;
-		param.ccnt = c;
-		edma_write_slot(dma->tx_channel, &param);
-		edma_link(dma->tx_channel, dma->dummy_param_slot);
-
-		/*
-		 * Receive DMA setup
-		 *
-		 * If there is receive buffer, use it to receive data. If there
-		 * is none provided, use a temporary receive buffer. Set the
-		 * destination B index to 0 so effectively only one byte is used
-		 * in the temporary buffer (address does not increment).
-		 *
-		 * The source of receive data is the receive data register. The
-		 * source address never increments.
-		 */
-
-		if (t->rx_buf) {
-			rx_buf = t->rx_buf;
-			rx_buf_count = t->len;
-		} else {
-			rx_buf = dspi->rx_tmp_buf;
-			rx_buf_count = sizeof(dspi->rx_tmp_buf);
+			buf = t->rx_buf;
+		t->rx_dma = dma_map_single(&spi->dev, buf,
+				t->len, DMA_FROM_DEVICE);
+		if (!t->rx_dma) {
+			ret = -EFAULT;
+			goto err_rx_map;
 		}
+		sg_dma_address(&sg_rx) = t->rx_dma;
+		sg_dma_len(&sg_rx) = t->len;
 
-		t->rx_dma = dma_map_single(&spi->dev, rx_buf, rx_buf_count,
-							DMA_FROM_DEVICE);
-		if (dma_mapping_error(&spi->dev, t->rx_dma)) {
-			dev_dbg(sdev, "Couldn't DMA map a %d bytes RX buffer\n",
-								rx_buf_count);
-			if (t->tx_buf)
-				dma_unmap_single(&spi->dev, t->tx_dma, t->len,
-								DMA_TO_DEVICE);
-			return -ENOMEM;
+		sg_init_table(&sg_tx, 1);
+		if (!t->tx_buf)
+			buf = dummy_buf;
+		else
+			buf = (void *)t->tx_buf;
+		t->tx_dma = dma_map_single(&spi->dev, buf,
+				t->len, DMA_FROM_DEVICE);
+		if (!t->tx_dma) {
+			ret = -EFAULT;
+			goto err_tx_map;
 		}
-
-		param.opt = TCINTEN | EDMA_TCC(dma->rx_channel);
-		param.src = rx_reg;
-		param.a_b_cnt = b << 16 | data_type;
-		param.dst = t->rx_dma;
-		param.src_dst_bidx = (t->rx_buf ? data_type : 0) << 16;
-		param.link_bcntrld = 0xffffffff;
-		param.src_dst_cidx = (t->rx_buf ? data_type : 0) << 16;
-		param.ccnt = c;
-		edma_write_slot(dma->rx_channel, &param);
+		sg_dma_address(&sg_tx) = t->tx_dma;
+		sg_dma_len(&sg_tx) = t->len;
+
+		rxdesc = dmaengine_prep_slave_sg(dspi->dma_rx,
+				&sg_rx, 1, DMA_DEV_TO_MEM,
+				DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+		if (!rxdesc)
+			goto err_desc;
+
+		txdesc = dmaengine_prep_slave_sg(dspi->dma_tx,
+				&sg_tx, 1, DMA_MEM_TO_DEV,
+				DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+		if (!txdesc)
+			goto err_desc;
+
+		rxdesc->callback = davinci_spi_dma_rx_callback;
+		rxdesc->callback_param = (void *)dspi;
+		txdesc->callback = davinci_spi_dma_tx_callback;
+		txdesc->callback_param = (void *)dspi;
 
 		if (pdata->cshold_bug)
 			iowrite16(spidat1 >> 16, dspi->base + SPIDAT1 + 2);
 
-		edma_start(dma->rx_channel);
-		edma_start(dma->tx_channel);
+		dmaengine_submit(rxdesc);
+		dmaengine_submit(txdesc);
+
+		dma_async_issue_pending(dspi->dma_rx);
+		dma_async_issue_pending(dspi->dma_tx);
+
 		set_io_bits(dspi->base + SPIINT, SPIINT_DMA_REQ_EN);
 	}
 
@@ -690,15 +659,13 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
 
 	clear_io_bits(dspi->base + SPIINT, SPIINT_MASKALL);
 	if (spicfg->io_type == SPI_IO_TYPE_DMA) {
-
-		if (t->tx_buf)
-			dma_unmap_single(&spi->dev, t->tx_dma, t->len,
-								DMA_TO_DEVICE);
-
-		dma_unmap_single(&spi->dev, t->rx_dma, rx_buf_count,
-							DMA_FROM_DEVICE);
-
 		clear_io_bits(dspi->base + SPIINT, SPIINT_DMA_REQ_EN);
+
+		dma_unmap_single(&spi->dev, t->rx_dma,
+				t->len, DMA_FROM_DEVICE);
+		dma_unmap_single(&spi->dev, t->tx_dma,
+				t->len, DMA_TO_DEVICE);
+		kfree(dummy_buf);
 	}
 
 	clear_io_bits(dspi->base + SPIGCR1, SPIGCR1_SPIENA_MASK);
@@ -716,11 +683,20 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
 	}
 
 	if (dspi->rcount != 0 || dspi->wcount != 0) {
-		dev_err(sdev, "SPI data transfer error\n");
+		dev_err(&spi->dev, "SPI data transfer error\n");
 		return -EIO;
 	}
 
 	return t->len;
+
+err_desc:
+	dma_unmap_single(&spi->dev, t->tx_dma, t->len, DMA_TO_DEVICE);
+err_tx_map:
+	dma_unmap_single(&spi->dev, t->rx_dma, t->len, DMA_FROM_DEVICE);
+err_rx_map:
+	kfree(dummy_buf);
+err_alloc_dummy_buf:
+	return ret;
 }
 
 /**
@@ -751,39 +727,33 @@ static irqreturn_t davinci_spi_irq(s32 irq, void *data)
 
 static int davinci_spi_request_dma(struct davinci_spi *dspi)
 {
+	dma_cap_mask_t mask;
+	struct device *sdev = dspi->bitbang.master->dev.parent;
 	int r;
-	struct davinci_spi_dma *dma = &dspi->dma;
 
-	r = edma_alloc_channel(dma->rx_channel, davinci_spi_dma_callback, dspi,
-								dma->eventq);
-	if (r < 0) {
-		pr_err("Unable to request DMA channel for SPI RX\n");
-		r = -EAGAIN;
+	dma_cap_zero(mask);
+	dma_cap_set(DMA_SLAVE, mask);
+
+	dspi->dma_rx = dma_request_channel(mask, edma_filter_fn,
+					   &dspi->dma_rx_chnum);
+	if (!dspi->dma_rx) {
+		dev_err(sdev, "request RX DMA channel failed\n");
+		r = -ENODEV;
 		goto rx_dma_failed;
 	}
 
-	r = edma_alloc_channel(dma->tx_channel, davinci_spi_dma_callback, dspi,
-								dma->eventq);
-	if (r < 0) {
-		pr_err("Unable to request DMA channel for SPI TX\n");
-		r = -EAGAIN;
+	dspi->dma_tx = dma_request_channel(mask, edma_filter_fn,
+					   &dspi->dma_tx_chnum);
+	if (!dspi->dma_tx) {
+		dev_err(sdev, "request TX DMA channel failed\n");
+		r = -ENODEV;
 		goto tx_dma_failed;
 	}
 
-	r = edma_alloc_slot(EDMA_CTLR(dma->tx_channel), EDMA_SLOT_ANY);
-	if (r < 0) {
-		pr_err("Unable to request SPI TX DMA param slot\n");
-		r = -EAGAIN;
-		goto param_failed;
-	}
-	dma->dummy_param_slot = r;
-	edma_link(dma->dummy_param_slot, dma->dummy_param_slot);
-
 	return 0;
-param_failed:
-	edma_free_channel(dma->tx_channel);
+
 tx_dma_failed:
-	edma_free_channel(dma->rx_channel);
+	dma_release_channel(dspi->dma_rx);
 rx_dma_failed:
 	return r;
 }
@@ -898,9 +868,8 @@ static int __devinit davinci_spi_probe(struct platform_device *pdev)
 	dspi->bitbang.txrx_bufs = davinci_spi_bufs;
 	if (dma_rx_chan != SPI_NO_RESOURCE &&
 	    dma_tx_chan != SPI_NO_RESOURCE) {
-		dspi->dma.rx_channel = dma_rx_chan;
-		dspi->dma.tx_channel = dma_tx_chan;
-		dspi->dma.eventq = pdata->dma_event_q;
+		dspi->dma_rx_chnum = dma_rx_chan;
+		dspi->dma_tx_chnum = dma_tx_chan;
 
 		ret = davinci_spi_request_dma(dspi);
 		if (ret)
@@ -955,9 +924,8 @@ static int __devinit davinci_spi_probe(struct platform_device *pdev)
 	return ret;
 
 free_dma:
-	edma_free_channel(dspi->dma.tx_channel);
-	edma_free_channel(dspi->dma.rx_channel);
-	edma_free_slot(dspi->dma.dummy_param_slot);
+	dma_release_channel(dspi->dma_rx);
+	dma_release_channel(dspi->dma_tx);
 free_clk:
 	clk_disable(dspi->clk);
 	clk_put(dspi->clk);
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index edf1360ab09..86dd04d6bc8 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -323,6 +323,7 @@ static int mxs_spi_txrx_dma(struct mxs_spi *spi, int cs,
 	if (!ret) {
 		dev_err(ssp->dev, "DMA transfer timeout\n");
 		ret = -ETIMEDOUT;
+		dmaengine_terminate_all(ssp->dmach);
 		goto err_vmalloc;
 	}
 
@@ -480,7 +481,7 @@ static int mxs_spi_transfer_one(struct spi_master *master,
 		first = last = 0;
 	}
 
-	m->status = 0;
+	m->status = status;
 	spi_finalize_current_message(master);
 
 	return status;
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 919464102d3..a1db91a99b8 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2186,8 +2186,6 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 	printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n",
 	       adev->res.start, pl022->virtbase);
 
-	pm_runtime_resume(dev);
-
 	pl022->clk = devm_clk_get(&adev->dev, NULL);
 	if (IS_ERR(pl022->clk)) {
 		status = PTR_ERR(pl022->clk);
@@ -2292,7 +2290,6 @@ pl022_remove(struct amba_device *adev)
 
 	clk_disable(pl022->clk);
 	clk_unprepare(pl022->clk);
-	pm_runtime_disable(&adev->dev);
 	amba_release_regions(adev);
 	tasklet_disable(&pl022->pump_transfers);
 	spi_unregister_master(pl022->master);
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 4894bde4bbf..30faf6d4ab9 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -147,8 +147,6 @@ struct rspi_data {
 	unsigned char spsr;
 
 	/* for dmaengine */
-	struct sh_dmae_slave dma_tx;
-	struct sh_dmae_slave dma_rx;
 	struct dma_chan *chan_tx;
 	struct dma_chan *chan_rx;
 	int irq;
@@ -663,20 +661,16 @@ static irqreturn_t rspi_irq(int irq, void *_sr)
 	return ret;
 }
 
-static bool rspi_filter(struct dma_chan *chan, void *filter_param)
-{
-	chan->private = filter_param;
-	return true;
-}
-
-static void __devinit rspi_request_dma(struct rspi_data *rspi,
-				       struct platform_device *pdev)
+static int __devinit rspi_request_dma(struct rspi_data *rspi,
+				      struct platform_device *pdev)
 {
 	struct rspi_plat_data *rspi_pd = pdev->dev.platform_data;
 	dma_cap_mask_t mask;
+	struct dma_slave_config cfg;
+	int ret;
 
 	if (!rspi_pd)
-		return;
+		return 0;	/* The driver assumes no error. */
 
 	rspi->dma_width_16bit = rspi_pd->dma_width_16bit;
 
@@ -684,21 +678,35 @@ static void __devinit rspi_request_dma(struct rspi_data *rspi,
 	if (rspi_pd->dma_rx_id && rspi_pd->dma_tx_id) {
 		dma_cap_zero(mask);
 		dma_cap_set(DMA_SLAVE, mask);
-		rspi->dma_rx.slave_id = rspi_pd->dma_rx_id;
-		rspi->chan_rx = dma_request_channel(mask, rspi_filter,
-						    &rspi->dma_rx);
-		if (rspi->chan_rx)
-			dev_info(&pdev->dev, "Use DMA when rx.\n");
+		rspi->chan_rx = dma_request_channel(mask, shdma_chan_filter,
+						    (void *)rspi_pd->dma_rx_id);
+		if (rspi->chan_rx) {
+			cfg.slave_id = rspi_pd->dma_rx_id;
+			cfg.direction = DMA_DEV_TO_MEM;
+			ret = dmaengine_slave_config(rspi->chan_rx, &cfg);
+			if (!ret)
+				dev_info(&pdev->dev, "Use DMA when rx.\n");
+			else
+				return ret;
+		}
 	}
 	if (rspi_pd->dma_tx_id) {
 		dma_cap_zero(mask);
 		dma_cap_set(DMA_SLAVE, mask);
-		rspi->dma_tx.slave_id = rspi_pd->dma_tx_id;
-		rspi->chan_tx = dma_request_channel(mask, rspi_filter,
-						    &rspi->dma_tx);
-		if (rspi->chan_tx)
-			dev_info(&pdev->dev, "Use DMA when tx\n");
+		rspi->chan_tx = dma_request_channel(mask, shdma_chan_filter,
+						    (void *)rspi_pd->dma_tx_id);
+		if (rspi->chan_tx) {
+			cfg.slave_id = rspi_pd->dma_tx_id;
+			cfg.direction = DMA_MEM_TO_DEV;
+			ret = dmaengine_slave_config(rspi->chan_tx, &cfg);
+			if (!ret)
+				dev_info(&pdev->dev, "Use DMA when tx\n");
+			else
+				return ret;
+		}
 	}
+
+	return 0;
 }
 
 static void __devexit rspi_release_dma(struct rspi_data *rspi)
@@ -788,7 +796,11 @@ static int __devinit rspi_probe(struct platform_device *pdev)
 	}
 
 	rspi->irq = irq;
-	rspi_request_dma(rspi, pdev);
+	ret = rspi_request_dma(rspi, pdev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "rspi_request_dma failed.\n");
+		goto error4;
+	}
 
 	ret = spi_register_master(master);
 	if (ret < 0) {
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 1a81c90a4a7..6e7a805d324 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -132,7 +132,7 @@
 
 struct s3c64xx_spi_dma_data {
 	unsigned		ch;
-	enum dma_data_direction direction;
+	enum dma_transfer_direction direction;
 	enum dma_ch	dmach;
 	struct property		*dma_prop;
 };
@@ -1067,11 +1067,11 @@ static int __devinit s3c64xx_spi_get_dmares(
 
 	if (tx) {
 		dma_data = &sdd->tx_dma;
-		dma_data->direction = DMA_TO_DEVICE;
+		dma_data->direction = DMA_MEM_TO_DEV;
 		chan_str = "tx";
 	} else {
 		dma_data = &sdd->rx_dma;
-		dma_data->direction = DMA_FROM_DEVICE;
+		dma_data->direction = DMA_DEV_TO_MEM;
 		chan_str = "rx";
 	}
 
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 7b0ba92e7e4..5d4610babd8 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -567,7 +567,7 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
 		page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE];
 
 		BUG_ON(*page);
-		*page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+		*page = alloc_page(GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO);
 		if (*page == NULL) {
 			pr_err("binder: %d: binder_alloc_buf failed "
 			       "for page at %p\n", proc->pid, page_addr);
@@ -2419,14 +2419,38 @@ static void binder_release_work(struct list_head *list)
 			struct binder_transaction *t;
 
 			t = container_of(w, struct binder_transaction, work);
-			if (t->buffer->target_node && !(t->flags & TF_ONE_WAY))
+			if (t->buffer->target_node &&
+			    !(t->flags & TF_ONE_WAY)) {
 				binder_send_failed_reply(t, BR_DEAD_REPLY);
+			} else {
+				binder_debug(BINDER_DEBUG_DEAD_TRANSACTION,
+					"binder: undelivered transaction %d\n",
+					t->debug_id);
+				t->buffer->transaction = NULL;
+				kfree(t);
+				binder_stats_deleted(BINDER_STAT_TRANSACTION);
+			}
 		} break;
 		case BINDER_WORK_TRANSACTION_COMPLETE: {
+			binder_debug(BINDER_DEBUG_DEAD_TRANSACTION,
+				"binder: undelivered TRANSACTION_COMPLETE\n");
 			kfree(w);
 			binder_stats_deleted(BINDER_STAT_TRANSACTION_COMPLETE);
 		} break;
+		case BINDER_WORK_DEAD_BINDER_AND_CLEAR:
+		case BINDER_WORK_CLEAR_DEATH_NOTIFICATION: {
+			struct binder_ref_death *death;
+
+			death = container_of(w, struct binder_ref_death, work);
+			binder_debug(BINDER_DEBUG_DEAD_TRANSACTION,
+				"binder: undelivered death notification, %p\n",
+				death->cookie);
+			kfree(death);
+			binder_stats_deleted(BINDER_STAT_DEATH);
+		} break;
 		default:
+			pr_err("binder: unexpected work type, %d, not freed\n",
+			       w->type);
 			break;
 		}
 	}
@@ -2899,6 +2923,7 @@ static void binder_deferred_release(struct binder_proc *proc)
 		nodes++;
 		rb_erase(&node->rb_node, &proc->nodes);
 		list_del_init(&node->work.entry);
+		binder_release_work(&node->async_todo);
 		if (hlist_empty(&node->refs)) {
 			kfree(node);
 			binder_stats_deleted(BINDER_STAT_NODE);
@@ -2937,6 +2962,7 @@ static void binder_deferred_release(struct binder_proc *proc)
 		binder_delete_ref(ref);
 	}
 	binder_release_work(&proc->todo);
+	binder_release_work(&proc->delivered_death);
 	buffers = 0;
 
 	while ((n = rb_first(&proc->allocated_buffers))) {
diff --git a/drivers/staging/comedi/drivers/8255_pci.c b/drivers/staging/comedi/drivers/8255_pci.c
index 7dff3c01dc2..d00aff6671d 100644
--- a/drivers/staging/comedi/drivers/8255_pci.c
+++ b/drivers/staging/comedi/drivers/8255_pci.c
@@ -289,6 +289,8 @@ static void pci_8255_detach(struct comedi_device *dev)
 	struct comedi_subdevice *s;
 	int i;
 
+	if (!board || !devpriv)
+		return;
 	if (dev->subdevices) {
 		for (i = 0; i < board->n_8255; i++) {
 			s = &dev->subdevices[i];
diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c
index 08f305210a6..29eb52d11d2 100644
--- a/drivers/staging/comedi/drivers/amplc_dio200.c
+++ b/drivers/staging/comedi/drivers/amplc_dio200.c
@@ -1410,6 +1410,8 @@ static void dio200_detach(struct comedi_device *dev)
 	const struct dio200_layout_struct *layout;
 	unsigned n;
 
+	if (!thisboard)
+		return;
 	if (dev->irq)
 		free_irq(dev->irq, dev);
 	if (dev->subdevices) {
diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c
index eacb5e4735d..4e4f3c15df8 100644
--- a/drivers/staging/comedi/drivers/amplc_pc236.c
+++ b/drivers/staging/comedi/drivers/amplc_pc236.c
@@ -573,9 +573,10 @@ static int __devinit pc236_attach_pci(struct comedi_device *dev,
 static void pc236_detach(struct comedi_device *dev)
 {
 	const struct pc236_board *thisboard = comedi_board(dev);
-	struct pc236_private *devpriv = dev->private;
 
-	if (devpriv)
+	if (!thisboard)
+		return;
+	if (dev->iobase)
 		pc236_intr_disable(dev);
 	if (dev->irq)
 		free_irq(dev->irq, dev);
diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c
index 60830ccfb90..d0a4c441228 100644
--- a/drivers/staging/comedi/drivers/amplc_pc263.c
+++ b/drivers/staging/comedi/drivers/amplc_pc263.c
@@ -323,6 +323,8 @@ static void pc263_detach(struct comedi_device *dev)
 {
 	const struct pc263_board *thisboard = comedi_board(dev);
 
+	if (!thisboard)
+		return;
 	if (is_isa_board(thisboard)) {
 		if (dev->iobase)
 			release_region(dev->iobase, PC263_IO_SIZE);
diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c
index 5fd21fa6c1c..c304528cfb1 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -846,6 +846,8 @@ static void __maybe_unused das08_detach(struct comedi_device *dev)
 {
 	const struct das08_board_struct *thisboard = comedi_board(dev);
 
+	if (!thisboard)
+		return;
 	das08_common_detach(dev);
 	if (is_isa_board(thisboard)) {
 		if (dev->iobase)
diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index 2ba0ade45c6..68d7c6a5db7 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -95,7 +95,7 @@ static int daq700_dio_insn_bits(struct comedi_device *dev,
 	}
 
 	data[1] = s->state & 0xff;
-	data[1] |= inb(dev->iobase + DIO_R);
+	data[1] |= inb(dev->iobase + DIO_R) << 8;
 
 	return insn->n;
 }
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 28b91a6c378..b5a19a0863f 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -772,6 +772,8 @@ void labpc_common_detach(struct comedi_device *dev)
 {
 	struct comedi_subdevice *s;
 
+	if (!thisboard)
+		return;
 	if (dev->subdevices) {
 		s = &dev->subdevices[2];
 		subdev_8255_cleanup(dev, s);
diff --git a/drivers/staging/dgrp/dgrp_mon_ops.c b/drivers/staging/dgrp/dgrp_mon_ops.c
index 268dcb95204..4792d056a36 100644
--- a/drivers/staging/dgrp/dgrp_mon_ops.c
+++ b/drivers/staging/dgrp/dgrp_mon_ops.c
@@ -38,6 +38,7 @@
 #include <linux/sched.h>
 #include <asm/unaligned.h>
 #include <linux/proc_fs.h>
+#include <linux/uaccess.h>
 
 #include "dgrp_common.h"
 
diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c
index 28f5c9ab6b4..24327c3bad8 100644
--- a/drivers/staging/dgrp/dgrp_specproc.c
+++ b/drivers/staging/dgrp/dgrp_specproc.c
@@ -39,6 +39,7 @@
 #include <linux/proc_fs.h>
 #include <linux/ctype.h>
 #include <linux/seq_file.h>
+#include <linux/uaccess.h>
 #include <linux/vmalloc.h>
 
 #include "dgrp_common.h"
@@ -228,6 +229,9 @@ static void register_proc_table(struct dgrp_proc_entry *table,
 	int len;
 	mode_t mode;
 
+	if (table == NULL)
+		return;
+
 	for (; table->id; table++) {
 		/* Can't do anything without a proc name. */
 		if (!table->name)
@@ -296,6 +300,9 @@ static void unregister_proc_table(struct dgrp_proc_entry *table,
 	struct proc_dir_entry *de;
 	struct nd_struct *tmp;
 
+	if (table == NULL)
+		return;
+
 	list_for_each_entry(tmp, &nd_struct_list, list) {
 		if ((table == dgrp_net_table) && (tmp->nd_net_de)) {
 			unregister_dgrp_device(tmp->nd_net_de);
diff --git a/drivers/staging/dgrp/dgrp_tty.c b/drivers/staging/dgrp/dgrp_tty.c
index 7d7de873870..e125b03598d 100644
--- a/drivers/staging/dgrp/dgrp_tty.c
+++ b/drivers/staging/dgrp/dgrp_tty.c
@@ -40,6 +40,7 @@
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
 #include <linux/sched.h>
+#include <linux/uaccess.h>
 
 #include "dgrp_common.h"
 
@@ -3172,6 +3173,9 @@ dgrp_tty_init(struct nd_struct *nd)
 	 */
 
 	nd->nd_serial_ttdriver = alloc_tty_driver(CHAN_MAX);
+	if (!nd->nd_serial_ttdriver)
+		return -ENOMEM;
+
 	sprintf(nd->nd_serial_name,  "tty_dgrp_%s_", id);
 
 	nd->nd_serial_ttdriver->owner = THIS_MODULE;
@@ -3231,6 +3235,9 @@ dgrp_tty_init(struct nd_struct *nd)
 	}
 
 	nd->nd_callout_ttdriver = alloc_tty_driver(CHAN_MAX);
+	if (!nd->nd_callout_ttdriver)
+		return -ENOMEM;
+
 	sprintf(nd->nd_callout_name, "cu_dgrp_%s_",  id);
 
 	nd->nd_callout_ttdriver->owner = THIS_MODULE;
@@ -3268,6 +3275,9 @@ dgrp_tty_init(struct nd_struct *nd)
 
 
 	nd->nd_xprint_ttdriver = alloc_tty_driver(CHAN_MAX);
+	if (!nd->nd_xprint_ttdriver)
+		return -ENOMEM;
+
 	sprintf(nd->nd_xprint_name,  "pr_dgrp_%s_", id);
 
 	nd->nd_xprint_ttdriver->owner = THIS_MODULE;
diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c
index 8e37d6e0427..b12ca68cd9e 100644
--- a/drivers/staging/iio/accel/adis16201_core.c
+++ b/drivers/staging/iio/accel/adis16201_core.c
@@ -310,30 +310,32 @@ static int adis16201_read_raw(struct iio_dev *indio_dev,
 	case IIO_CHAN_INFO_SCALE:
 		switch (chan->type) {
 		case IIO_VOLTAGE:
-			*val = 0;
-			if (chan->channel == 0)
-				*val2 = 1220;
-			else
-				*val2 = 610;
+			if (chan->channel == 0) {
+				*val = 1;
+				*val2 = 220000; /* 1.22 mV */
+			} else {
+				*val = 0;
+				*val2 = 610000; /* 0.610 mV */
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_TEMP:
-			*val = 0;
-			*val2 = -470000;
+			*val = -470; /* 0.47 C */
+			*val2 = 0;
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_ACCEL:
 			*val = 0;
-			*val2 = 462500;
-			return IIO_VAL_INT_PLUS_MICRO;
+			*val2 = IIO_G_TO_M_S_2(462400); /* 0.4624 mg */
+			return IIO_VAL_INT_PLUS_NANO;
 		case IIO_INCLI:
 			*val = 0;
-			*val2 = 100000;
+			*val2 = 100000; /* 0.1 degree */
 			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
 		}
 		break;
 	case IIO_CHAN_INFO_OFFSET:
-		*val = 25;
+		*val = 25000 / -470 - 1278; /* 25 C = 1278 */
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_CALIBBIAS:
 		switch (chan->type) {
diff --git a/drivers/staging/iio/accel/adis16203_core.c b/drivers/staging/iio/accel/adis16203_core.c
index 002fa9dfc37..e7b3441115a 100644
--- a/drivers/staging/iio/accel/adis16203_core.c
+++ b/drivers/staging/iio/accel/adis16203_core.c
@@ -316,25 +316,27 @@ static int adis16203_read_raw(struct iio_dev *indio_dev,
 	case IIO_CHAN_INFO_SCALE:
 		switch (chan->type) {
 		case IIO_VOLTAGE:
-			*val = 0;
-			if (chan->channel == 0)
-				*val2 = 1220;
-			else
-				*val2 = 610;
+			if (chan->channel == 0) {
+				*val = 1;
+				*val2 = 220000; /* 1.22 mV */
+			} else {
+				*val = 0;
+				*val2 = 610000; /* 0.61 mV */
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_TEMP:
-			*val = 0;
-			*val2 = -470000;
+			*val = -470; /* -0.47 C */
+			*val2 = 0;
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_INCLI:
 			*val = 0;
-			*val2 = 25000;
+			*val2 = 25000; /* 0.025 degree */
 			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
 		}
 	case IIO_CHAN_INFO_OFFSET:
-		*val = 25;
+		*val = 25000 / -470 - 1278; /* 25 C = 1278 */
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_CALIBBIAS:
 		bits = 14;
diff --git a/drivers/staging/iio/accel/adis16204_core.c b/drivers/staging/iio/accel/adis16204_core.c
index 05bdb7c2c8e..c6234c2f46a 100644
--- a/drivers/staging/iio/accel/adis16204_core.c
+++ b/drivers/staging/iio/accel/adis16204_core.c
@@ -317,26 +317,28 @@ static int adis16204_read_raw(struct iio_dev *indio_dev,
 	case IIO_CHAN_INFO_SCALE:
 		switch (chan->type) {
 		case IIO_VOLTAGE:
-			*val = 0;
-			if (chan->channel == 0)
-				*val2 = 1220;
-			else
-				*val2 = 610;
+			if (chan->channel == 0) {
+				*val = 1;
+				*val2 = 220000; /* 1.22 mV */
+			} else {
+				*val = 0;
+				*val2 = 610000; /* 0.61 mV */
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_TEMP:
-			*val = 0;
-			*val2 = -470000;
+			*val = -470; /* 0.47 C */
+			*val2 = 0;
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_ACCEL:
 			*val = 0;
 			switch (chan->channel2) {
 			case IIO_MOD_X:
 			case IIO_MOD_ROOT_SUM_SQUARED_X_Y:
-				*val2 = 17125;
+				*val2 = IIO_G_TO_M_S_2(17125); /* 17.125 mg */
 				break;
 			case IIO_MOD_Y:
 			case IIO_MOD_Z:
-				*val2 = 8407;
+				*val2 = IIO_G_TO_M_S_2(8407); /* 8.407 mg */
 				break;
 			}
 			return IIO_VAL_INT_PLUS_MICRO;
@@ -345,7 +347,7 @@ static int adis16204_read_raw(struct iio_dev *indio_dev,
 		}
 		break;
 	case IIO_CHAN_INFO_OFFSET:
-		*val = 25;
+		*val = 25000 / -470 - 1278; /* 25 C = 1278 */
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_CALIBBIAS:
 	case IIO_CHAN_INFO_PEAK:
diff --git a/drivers/staging/iio/accel/adis16209_core.c b/drivers/staging/iio/accel/adis16209_core.c
index b7333bfe0b2..7ee974b45d7 100644
--- a/drivers/staging/iio/accel/adis16209_core.c
+++ b/drivers/staging/iio/accel/adis16209_core.c
@@ -343,28 +343,29 @@ static int adis16209_read_raw(struct iio_dev *indio_dev,
 		case IIO_VOLTAGE:
 			*val = 0;
 			if (chan->channel == 0)
-				*val2 = 305180;
+				*val2 = 305180; /* 0.30518 mV */
 			else
-				*val2 = 610500;
+				*val2 = 610500; /* 0.6105 mV */
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_TEMP:
-			*val = 0;
-			*val2 = -470000;
+			*val = -470; /* -0.47 C */
+			*val2 = 0;
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_ACCEL:
 			*val = 0;
-			*val2 = 2394;
-			return IIO_VAL_INT_PLUS_MICRO;
+			*val2 = IIO_G_TO_M_S_2(244140); /* 0.244140 mg */
+			return IIO_VAL_INT_PLUS_NANO;
 		case IIO_INCLI:
+		case IIO_ROT:
 			*val = 0;
-			*val2 = 436;
+			*val2 = 25000; /* 0.025 degree */
 			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
 		}
 		break;
 	case IIO_CHAN_INFO_OFFSET:
-		*val = 25;
+		*val = 25000 / -470 - 0x4FE; /* 25 C = 0x4FE */
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_CALIBBIAS:
 		switch (chan->type) {
@@ -491,6 +492,7 @@ static const struct iio_chan_spec adis16209_channels[] = {
 		.modified = 1,
 		.channel2 = IIO_MOD_X,
 		.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
+		IIO_CHAN_INFO_SCALE_SHARED_BIT,
 		.address = rot,
 		.scan_index = ADIS16209_SCAN_ROT,
 		.scan_type = {
diff --git a/drivers/staging/iio/accel/adis16220_core.c b/drivers/staging/iio/accel/adis16220_core.c
index c755089c711..eaadd9df3f7 100644
--- a/drivers/staging/iio/accel/adis16220_core.c
+++ b/drivers/staging/iio/accel/adis16220_core.c
@@ -486,7 +486,7 @@ static int adis16220_read_raw(struct iio_dev *indio_dev,
 		break;
 	case IIO_CHAN_INFO_OFFSET:
 		if (chan->type == IIO_TEMP) {
-			*val = 25;
+			*val = 25000 / -470 - 1278; /* 25 C = 1278 */
 			return IIO_VAL_INT;
 		}
 		addrind = 1;
@@ -495,19 +495,22 @@ static int adis16220_read_raw(struct iio_dev *indio_dev,
 		addrind = 2;
 		break;
 	case IIO_CHAN_INFO_SCALE:
-		*val = 0;
 		switch (chan->type) {
 		case IIO_TEMP:
-			*val2 = -470000;
+			*val = -470; /* -0.47 C */
+			*val2 = 0;
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_ACCEL:
-			*val2 = 1887042;
+			*val2 = IIO_G_TO_M_S_2(19073); /* 19.073 g */
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_VOLTAGE:
-			if (chan->channel == 0)
-				*val2 = 0012221;
-			else /* Should really be dependent on VDD */
-				*val2 = 305;
+			if (chan->channel == 0) {
+				*val = 1;
+				*val2 = 220700; /* 1.2207 mV */
+			} else {
+				/* Should really be dependent on VDD */
+				*val2 = 305180; /* 305.18 uV */
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
diff --git a/drivers/staging/iio/accel/adis16240_core.c b/drivers/staging/iio/accel/adis16240_core.c
index 0fc26a49d68..35e093973d5 100644
--- a/drivers/staging/iio/accel/adis16240_core.c
+++ b/drivers/staging/iio/accel/adis16240_core.c
@@ -373,30 +373,31 @@ static int adis16240_read_raw(struct iio_dev *indio_dev,
 	case IIO_CHAN_INFO_SCALE:
 		switch (chan->type) {
 		case IIO_VOLTAGE:
-			*val = 0;
-			if (chan->channel == 0)
-				*val2 = 4880;
-			else
+			if (chan->channel == 0) {
+				*val = 4;
+				*val2 = 880000; /* 4.88 mV */
+				return IIO_VAL_INT_PLUS_MICRO;
+			} else {
 				return -EINVAL;
-			return IIO_VAL_INT_PLUS_MICRO;
+			}
 		case IIO_TEMP:
-			*val = 0;
-			*val2 = 244000;
+			*val = 244; /* 0.244 C */
+			*val2 = 0;
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_ACCEL:
 			*val = 0;
-			*val2 = 504062;
+			*val2 = IIO_G_TO_M_S_2(51400); /* 51.4 mg */
 			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
 		}
 		break;
 	case IIO_CHAN_INFO_PEAK_SCALE:
-		*val = 6;
-		*val2 = 629295;
+		*val = 0;
+		*val2 = IIO_G_TO_M_S_2(51400); /* 51.4 mg */
 		return IIO_VAL_INT_PLUS_MICRO;
 	case IIO_CHAN_INFO_OFFSET:
-		*val = 25;
+		*val = 25000 / 244 - 0x133; /* 25 C = 0x133 */
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_CALIBBIAS:
 		bits = 10;
diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c
index 9571c03aa4c..aa964a2d829 100644
--- a/drivers/staging/iio/gyro/adis16260_core.c
+++ b/drivers/staging/iio/gyro/adis16260_core.c
@@ -498,28 +498,33 @@ static int adis16260_read_raw(struct iio_dev *indio_dev,
 		switch (chan->type) {
 		case IIO_ANGL_VEL:
 			*val = 0;
-			if (spi_get_device_id(st->us)->driver_data)
-				*val2 = 320;
-			else
-				*val2 = 1278;
+			if (spi_get_device_id(st->us)->driver_data) {
+				/* 0.01832 degree / sec */
+				*val2 = IIO_DEGREE_TO_RAD(18320);
+			} else {
+				/* 0.07326 degree / sec */
+				*val2 = IIO_DEGREE_TO_RAD(73260);
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_VOLTAGE:
-			*val = 0;
-			if (chan->channel == 0)
-				*val2 = 18315;
-			else
-				*val2 = 610500;
+			if (chan->channel == 0) {
+				*val = 1;
+				*val2 = 831500; /* 1.8315 mV */
+			} else {
+				*val = 0;
+				*val2 = 610500; /* 610.5 uV */
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_TEMP:
-			*val = 0;
-			*val2 = 145300;
+			*val = 145;
+			*val2 = 300000; /* 0.1453 C */
 			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
 		}
 		break;
 	case IIO_CHAN_INFO_OFFSET:
-		*val = 25;
+		*val = 250000 / 1453; /* 25 C = 0x00 */
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_CALIBBIAS:
 		switch (chan->type) {
diff --git a/drivers/staging/iio/imu/adis16400.h b/drivers/staging/iio/imu/adis16400.h
index d59d7ac856a..77c601da184 100644
--- a/drivers/staging/iio/imu/adis16400.h
+++ b/drivers/staging/iio/imu/adis16400.h
@@ -139,6 +139,8 @@ struct adis16400_chip_info {
 	const long flags;
 	unsigned int gyro_scale_micro;
 	unsigned int accel_scale_micro;
+	int temp_scale_nano;
+	int temp_offset;
 	unsigned long default_scan_mask;
 };
 
diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c
index b302c9ba271..3144a7b1e1c 100644
--- a/drivers/staging/iio/imu/adis16400_core.c
+++ b/drivers/staging/iio/imu/adis16400_core.c
@@ -553,10 +553,13 @@ static int adis16400_read_raw(struct iio_dev *indio_dev,
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_VOLTAGE:
 			*val = 0;
-			if (chan->channel == 0)
-				*val2 = 2418;
-			else
-				*val2 = 806;
+			if (chan->channel == 0) {
+				*val = 2;
+				*val2 = 418000; /* 2.418 mV */
+			} else {
+				*val = 0;
+				*val2 = 805800; /* 805.8 uV */
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_ACCEL:
 			*val = 0;
@@ -564,11 +567,11 @@ static int adis16400_read_raw(struct iio_dev *indio_dev,
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_MAGN:
 			*val = 0;
-			*val2 = 500;
+			*val2 = 500; /* 0.5 mgauss */
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_TEMP:
-			*val = 0;
-			*val2 = 140000;
+			*val = st->variant->temp_scale_nano / 1000000;
+			*val2 = (st->variant->temp_scale_nano % 1000000);
 			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
@@ -586,9 +589,8 @@ static int adis16400_read_raw(struct iio_dev *indio_dev,
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_OFFSET:
 		/* currently only temperature */
-		*val = 198;
-		*val2 = 160000;
-		return IIO_VAL_INT_PLUS_MICRO;
+		*val = st->variant->temp_offset;
+		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
 		mutex_lock(&indio_dev->mlock);
 		/* Need both the number of taps and the sampling frequency */
@@ -1035,7 +1037,7 @@ static const struct iio_chan_spec adis16334_channels[] = {
 		.indexed = 1,
 		.channel = 0,
 		.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
-		IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT |
+		IIO_CHAN_INFO_OFFSET_SEPARATE_BIT |
 		IIO_CHAN_INFO_SCALE_SHARED_BIT,
 		.address = temp0,
 		.scan_index = ADIS16400_SCAN_TEMP,
@@ -1058,8 +1060,10 @@ static struct adis16400_chip_info adis16400_chips[] = {
 	[ADIS16300] = {
 		.channels = adis16300_channels,
 		.num_channels = ARRAY_SIZE(adis16300_channels),
-		.gyro_scale_micro = 873,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */
 		.accel_scale_micro = 5884,
+		.temp_scale_nano = 140000000, /* 0.14 C */
+		.temp_offset = 25000000 / 140000, /* 25 C = 0x00 */
 		.default_scan_mask = (1 << ADIS16400_SCAN_SUPPLY) |
 		(1 << ADIS16400_SCAN_GYRO_X) | (1 << ADIS16400_SCAN_ACC_X) |
 		(1 << ADIS16400_SCAN_ACC_Y) | (1 << ADIS16400_SCAN_ACC_Z) |
@@ -1070,8 +1074,10 @@ static struct adis16400_chip_info adis16400_chips[] = {
 	[ADIS16334] = {
 		.channels = adis16334_channels,
 		.num_channels = ARRAY_SIZE(adis16334_channels),
-		.gyro_scale_micro = 873,
-		.accel_scale_micro = 981,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */
+		.accel_scale_micro = IIO_G_TO_M_S_2(1000), /* 1 mg */
+		.temp_scale_nano = 67850000, /* 0.06785 C */
+		.temp_offset = 25000000 / 67850, /* 25 C = 0x00 */
 		.default_scan_mask = (1 << ADIS16400_SCAN_GYRO_X) |
 		(1 << ADIS16400_SCAN_GYRO_Y) | (1 << ADIS16400_SCAN_GYRO_Z) |
 		(1 << ADIS16400_SCAN_ACC_X) | (1 << ADIS16400_SCAN_ACC_Y) |
@@ -1080,8 +1086,10 @@ static struct adis16400_chip_info adis16400_chips[] = {
 	[ADIS16350] = {
 		.channels = adis16350_channels,
 		.num_channels = ARRAY_SIZE(adis16350_channels),
-		.gyro_scale_micro = 872664,
-		.accel_scale_micro = 24732,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(73260), /* 0.07326 deg/s */
+		.accel_scale_micro = IIO_G_TO_M_S_2(2522), /* 0.002522 g */
+		.temp_scale_nano = 145300000, /* 0.1453 C */
+		.temp_offset = 25000000 / 145300, /* 25 C = 0x00 */
 		.default_scan_mask = 0x7FF,
 		.flags = ADIS16400_NO_BURST,
 	},
@@ -1090,8 +1098,10 @@ static struct adis16400_chip_info adis16400_chips[] = {
 		.num_channels = ARRAY_SIZE(adis16350_channels),
 		.flags = ADIS16400_HAS_PROD_ID,
 		.product_id = 0x3FE8,
-		.gyro_scale_micro = 1279,
-		.accel_scale_micro = 24732,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */
+		.accel_scale_micro = IIO_G_TO_M_S_2(3333), /* 3.333 mg */
+		.temp_scale_nano = 136000000, /* 0.136 C */
+		.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
 		.default_scan_mask = 0x7FF,
 	},
 	[ADIS16362] = {
@@ -1099,8 +1109,10 @@ static struct adis16400_chip_info adis16400_chips[] = {
 		.num_channels = ARRAY_SIZE(adis16350_channels),
 		.flags = ADIS16400_HAS_PROD_ID,
 		.product_id = 0x3FEA,
-		.gyro_scale_micro = 1279,
-		.accel_scale_micro = 24732,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */
+		.accel_scale_micro = IIO_G_TO_M_S_2(333), /* 0.333 mg */
+		.temp_scale_nano = 136000000, /* 0.136 C */
+		.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
 		.default_scan_mask = 0x7FF,
 	},
 	[ADIS16364] = {
@@ -1108,8 +1120,10 @@ static struct adis16400_chip_info adis16400_chips[] = {
 		.num_channels = ARRAY_SIZE(adis16350_channels),
 		.flags = ADIS16400_HAS_PROD_ID,
 		.product_id = 0x3FEC,
-		.gyro_scale_micro = 1279,
-		.accel_scale_micro = 24732,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */
+		.accel_scale_micro = IIO_G_TO_M_S_2(1000), /* 1 mg */
+		.temp_scale_nano = 136000000, /* 0.136 C */
+		.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
 		.default_scan_mask = 0x7FF,
 	},
 	[ADIS16365] = {
@@ -1117,8 +1131,10 @@ static struct adis16400_chip_info adis16400_chips[] = {
 		.num_channels = ARRAY_SIZE(adis16350_channels),
 		.flags = ADIS16400_HAS_PROD_ID,
 		.product_id = 0x3FED,
-		.gyro_scale_micro = 1279,
-		.accel_scale_micro = 24732,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */
+		.accel_scale_micro = IIO_G_TO_M_S_2(1000), /* 1 mg */
+		.temp_scale_nano = 136000000, /* 0.136 C */
+		.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
 		.default_scan_mask = 0x7FF,
 	},
 	[ADIS16400] = {
@@ -1126,9 +1142,11 @@ static struct adis16400_chip_info adis16400_chips[] = {
 		.num_channels = ARRAY_SIZE(adis16400_channels),
 		.flags = ADIS16400_HAS_PROD_ID,
 		.product_id = 0x4015,
-		.gyro_scale_micro = 873,
-		.accel_scale_micro = 32656,
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(50000), /* 0.05 deg/s */
+		.accel_scale_micro = IIO_G_TO_M_S_2(3333), /* 3.333 mg */
 		.default_scan_mask = 0xFFF,
+		.temp_scale_nano = 140000000, /* 0.14 C */
+		.temp_offset = 25000000 / 140000, /* 25 C = 0x00 */
 	}
 };
 
diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index bb8aa70281c..46d6657280b 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include "tpci200.h"
 
 static u16 tpci200_status_timeout[] = {
diff --git a/drivers/staging/omap-thermal/omap-thermal-common.c b/drivers/staging/omap-thermal/omap-thermal-common.c
index 46ee0a9f49d..5c0c203b887 100644
--- a/drivers/staging/omap-thermal/omap-thermal-common.c
+++ b/drivers/staging/omap-thermal/omap-thermal-common.c
@@ -126,7 +126,9 @@ static int omap_thermal_bind(struct thermal_zone_device *thermal,
 
 	/* TODO: bind with min and max states */
 	/* Simple thing, two trips, one passive another critical */
-	return thermal_zone_bind_cooling_device(thermal, 0, cdev);
+	return thermal_zone_bind_cooling_device(thermal, 0, cdev,
+						THERMAL_NO_LIMIT,
+						THERMAL_NO_LIMIT);
 }
 
 /* Unbind callback functions for thermal zone */
@@ -268,7 +270,6 @@ int omap_thermal_expose_sensor(struct omap_bandgap *bg_ptr, int id,
 	/* Create thermal zone */
 	data->omap_thermal = thermal_zone_device_register(domain,
 				OMAP_TRIP_NUMBER, 0, data, &omap_thermal_ops,
-				1, 2, /*TODO: remove this when FW allows */
 				FAST_TEMP_MONITORING_RATE,
 				FAST_TEMP_MONITORING_RATE);
 	if (IS_ERR_OR_NULL(data->omap_thermal)) {
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
index 2ec5264dd00..ebdb0b67673 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -106,7 +106,8 @@ static void dump_video_chains(void)
 	for (i = 0; i < omap_dss_get_num_overlays(); i++) {
 		struct omap_overlay *ovl = omap_dss_get_overlay(i);
 		struct omap_overlay_manager *mgr = ovl->manager;
-		struct omap_dss_device *dssdev = mgr ? mgr->device : NULL;
+		struct omap_dss_device *dssdev = mgr ?
+					mgr->get_device(mgr) : NULL;
 		if (dssdev) {
 			DBG("%d: %s -> %s -> %s", i, ovl->name, mgr->name,
 						dssdev->name);
@@ -185,7 +186,7 @@ static int create_connector(struct drm_device *dev,
 	for (j = 0; j < priv->num_encoders; j++) {
 		struct omap_overlay_manager *mgr =
 			omap_encoder_get_manager(priv->encoders[j]);
-		if (mgr->device == dssdev) {
+		if (mgr->get_device(mgr) == dssdev) {
 			drm_mode_connector_attach_encoder(connector,
 					priv->encoders[j]);
 		}
diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c
index 3434e6ec014..66e2c2f8a23 100644
--- a/drivers/staging/omapdrm/omap_gem.c
+++ b/drivers/staging/omapdrm/omap_gem.c
@@ -246,7 +246,7 @@ static int omap_gem_attach_pages(struct drm_gem_object *obj)
 	 * DSS, GPU, etc. are not cache coherent:
 	 */
 	if (omap_obj->flags & (OMAP_BO_WC|OMAP_BO_UNCACHED)) {
-		addrs = kmalloc(npages * sizeof(addrs), GFP_KERNEL);
+		addrs = kmalloc(npages * sizeof(*addrs), GFP_KERNEL);
 		if (!addrs) {
 			ret = -ENOMEM;
 			goto free_pages;
@@ -257,7 +257,7 @@ static int omap_gem_attach_pages(struct drm_gem_object *obj)
 					0, PAGE_SIZE, DMA_BIDIRECTIONAL);
 		}
 	} else {
-		addrs = kzalloc(npages * sizeof(addrs), GFP_KERNEL);
+		addrs = kzalloc(npages * sizeof(*addrs), GFP_KERNEL);
 		if (!addrs) {
 			ret = -ENOMEM;
 			goto free_pages;
diff --git a/drivers/staging/ramster/Kconfig b/drivers/staging/ramster/Kconfig
index 843c5410143..3abf6619dac 100644
--- a/drivers/staging/ramster/Kconfig
+++ b/drivers/staging/ramster/Kconfig
@@ -18,6 +18,7 @@ config ZCACHE2
 config RAMSTER
 	bool "Cross-machine RAM capacity sharing, aka peer-to-peer tmem"
 	depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE2=y
+	depends on NET
 	# must ensure struct page is 8-byte aligned
 	select HAVE_ALIGNED_STRUCT_PAGE if !64_BIT
 	default n
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index 066a3ceec65..f619fb3c56d 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -126,7 +126,8 @@ static int mem_map_vmalloc(struct bridge_dev_context *dev_context,
 				  u32 ul_num_bytes,
 				  struct hw_mmu_map_attrs_t *hw_attrs);
 
-bool wait_for_start(struct bridge_dev_context *dev_context, u32 dw_sync_addr);
+bool wait_for_start(struct bridge_dev_context *dev_context,
+			void __iomem *sync_addr);
 
 /*  ----------------------------------- Globals */
 
@@ -363,10 +364,11 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 {
 	int status = 0;
 	struct bridge_dev_context *dev_context = dev_ctxt;
-	u32 dw_sync_addr = 0;
+	void __iomem *sync_addr;
 	u32 ul_shm_base;	/* Gpp Phys SM base addr(byte) */
 	u32 ul_shm_base_virt;	/* Dsp Virt SM base addr */
 	u32 ul_tlb_base_virt;	/* Base of MMU TLB entry */
+	u32 shm_sync_pa;
 	/* Offset of shm_base_virt from tlb_base_virt */
 	u32 ul_shm_offset_virt;
 	s32 entry_ndx;
@@ -397,15 +399,22 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 	/* Kernel logical address */
 	ul_shm_base = dev_context->atlb_entry[0].gpp_va + ul_shm_offset_virt;
 
+	/* SHM physical sync address */
+	shm_sync_pa = dev_context->atlb_entry[0].gpp_pa + ul_shm_offset_virt +
+			SHMSYNCOFFSET;
+
 	/* 2nd wd is used as sync field */
-	dw_sync_addr = ul_shm_base + SHMSYNCOFFSET;
+	sync_addr = ioremap(shm_sync_pa, SZ_32);
+	if (!sync_addr)
+		return -ENOMEM;
+
 	/* Write a signature into the shm base + offset; this will
 	 * get cleared when the DSP program starts. */
 	if ((ul_shm_base_virt == 0) || (ul_shm_base == 0)) {
 		pr_err("%s: Illegal SM base\n", __func__);
 		status = -EPERM;
 	} else
-		__raw_writel(0xffffffff, dw_sync_addr);
+		__raw_writel(0xffffffff, sync_addr);
 
 	if (!status) {
 		resources = dev_context->resources;
@@ -419,8 +428,10 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 			 * function is made available.
 			 */
 			void __iomem *ctrl = ioremap(0x48002000, SZ_4K);
-			if (!ctrl)
+			if (!ctrl) {
+				iounmap(sync_addr);
 				return -ENOMEM;
+			}
 
 			(*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK,
 					OMAP3430_RST1_IVA2_MASK, OMAP3430_IVA2_MOD,
@@ -588,15 +599,15 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 		(*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK, 0,
 					OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
 
-		dev_dbg(bridge, "Waiting for Sync @ 0x%x\n", dw_sync_addr);
+		dev_dbg(bridge, "Waiting for Sync @ 0x%x\n", *(u32 *)sync_addr);
 		dev_dbg(bridge, "DSP c_int00 Address =  0x%x\n", dsp_addr);
 		if (dsp_debug)
-			while (__raw_readw(dw_sync_addr))
+			while (__raw_readw(sync_addr))
 				;
 
 		/* Wait for DSP to clear word in shared memory */
 		/* Read the Location */
-		if (!wait_for_start(dev_context, dw_sync_addr))
+		if (!wait_for_start(dev_context, sync_addr))
 			status = -ETIMEDOUT;
 
 		dev_get_symbol(dev_context->dev_obj, "_WDT_enable", &wdt_en);
@@ -612,7 +623,7 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 			/* Write the synchronization bit to indicate the
 			 * completion of OPP table update to DSP
 			 */
-			__raw_writel(0XCAFECAFE, dw_sync_addr);
+			__raw_writel(0XCAFECAFE, sync_addr);
 
 			/* update board state */
 			dev_context->brd_state = BRD_RUNNING;
@@ -621,6 +632,9 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 			dev_context->brd_state = BRD_UNKNOWN;
 		}
 	}
+
+	iounmap(sync_addr);
+
 	return status;
 }
 
@@ -1796,12 +1810,13 @@ static int mem_map_vmalloc(struct bridge_dev_context *dev_context,
  *  ======== wait_for_start ========
  *      Wait for the singal from DSP that it has started, or time out.
  */
-bool wait_for_start(struct bridge_dev_context *dev_context, u32 dw_sync_addr)
+bool wait_for_start(struct bridge_dev_context *dev_context,
+			void __iomem *sync_addr)
 {
 	u16 timeout = TIHELEN_ACKTIMEOUT;
 
 	/*  Wait for response from board */
-	while (__raw_readw(dw_sync_addr) && --timeout)
+	while (__raw_readw(sync_addr) && --timeout)
 		udelay(10);
 
 	/*  If timed out: return false */
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.c b/drivers/staging/tidspbridge/hw/hw_mmu.c
index 71cb8229364..50244a47417 100644
--- a/drivers/staging/tidspbridge/hw/hw_mmu.c
+++ b/drivers/staging/tidspbridge/hw/hw_mmu.c
@@ -48,37 +48,12 @@ enum hw_mmu_page_size_t {
 };
 
 /*
- * FUNCTION	      : mmu_flush_entry
- *
- * INPUTS:
- *
- *       Identifier      : base_address
- *       Type		: const u32
- *       Description     : Base Address of instance of MMU module
- *
- * RETURNS:
- *
- *       Type		: hw_status
- *       Description     : 0		 -- No errors occurred
- *			 RET_BAD_NULL_PARAM     -- A Pointer
- *						Parameter was set to NULL
- *
- * PURPOSE:	      : Flush the TLB entry pointed by the
- *			lock counter register
- *			even if this entry is set protected
- *
- * METHOD:	       : Check the Input parameter and Flush a
- *			 single entry in the TLB.
- */
-static hw_status mmu_flush_entry(const void __iomem *base_address);
-
-/*
  * FUNCTION	      : mmu_set_cam_entry
  *
  * INPUTS:
  *
  *       Identifier      : base_address
- *       TypE		: const u32
+ *       Type		 : void __iomem *
  *       Description     : Base Address of instance of MMU module
  *
  *       Identifier      : page_sz
@@ -112,7 +87,7 @@ static hw_status mmu_flush_entry(const void __iomem *base_address);
  *
  * METHOD:	       	: Check the Input parameters and set the CAM entry.
  */
-static hw_status mmu_set_cam_entry(const void __iomem *base_address,
+static hw_status mmu_set_cam_entry(void __iomem *base_address,
 				   const u32 page_sz,
 				   const u32 preserved_bit,
 				   const u32 valid_bit,
@@ -124,7 +99,7 @@ static hw_status mmu_set_cam_entry(const void __iomem *base_address,
  * INPUTS:
  *
  *       Identifier      : base_address
- *       Type	    	: const u32
+ *       Type		 : void __iomem *
  *       Description     : Base Address of instance of MMU module
  *
  *       Identifier      : physical_addr
@@ -157,7 +132,7 @@ static hw_status mmu_set_cam_entry(const void __iomem *base_address,
  *
  * METHOD:	       : Check the Input parameters and set the RAM entry.
  */
-static hw_status mmu_set_ram_entry(const void __iomem *base_address,
+static hw_status mmu_set_ram_entry(void __iomem *base_address,
 				   const u32 physical_addr,
 				   enum hw_endianism_t endianism,
 				   enum hw_element_size_t element_size,
@@ -165,7 +140,7 @@ static hw_status mmu_set_ram_entry(const void __iomem *base_address,
 
 /* HW FUNCTIONS */
 
-hw_status hw_mmu_enable(const void __iomem *base_address)
+hw_status hw_mmu_enable(void __iomem *base_address)
 {
 	hw_status status = 0;
 
@@ -174,7 +149,7 @@ hw_status hw_mmu_enable(const void __iomem *base_address)
 	return status;
 }
 
-hw_status hw_mmu_disable(const void __iomem *base_address)
+hw_status hw_mmu_disable(void __iomem *base_address)
 {
 	hw_status status = 0;
 
@@ -183,7 +158,7 @@ hw_status hw_mmu_disable(const void __iomem *base_address)
 	return status;
 }
 
-hw_status hw_mmu_num_locked_set(const void __iomem *base_address,
+hw_status hw_mmu_num_locked_set(void __iomem *base_address,
 				u32 num_locked_entries)
 {
 	hw_status status = 0;
@@ -193,7 +168,7 @@ hw_status hw_mmu_num_locked_set(const void __iomem *base_address,
 	return status;
 }
 
-hw_status hw_mmu_victim_num_set(const void __iomem *base_address,
+hw_status hw_mmu_victim_num_set(void __iomem *base_address,
 				u32 victim_entry_num)
 {
 	hw_status status = 0;
@@ -203,7 +178,7 @@ hw_status hw_mmu_victim_num_set(const void __iomem *base_address,
 	return status;
 }
 
-hw_status hw_mmu_event_ack(const void __iomem *base_address, u32 irq_mask)
+hw_status hw_mmu_event_ack(void __iomem *base_address, u32 irq_mask)
 {
 	hw_status status = 0;
 
@@ -212,7 +187,7 @@ hw_status hw_mmu_event_ack(const void __iomem *base_address, u32 irq_mask)
 	return status;
 }
 
-hw_status hw_mmu_event_disable(const void __iomem *base_address, u32 irq_mask)
+hw_status hw_mmu_event_disable(void __iomem *base_address, u32 irq_mask)
 {
 	hw_status status = 0;
 	u32 irq_reg;
@@ -224,7 +199,7 @@ hw_status hw_mmu_event_disable(const void __iomem *base_address, u32 irq_mask)
 	return status;
 }
 
-hw_status hw_mmu_event_enable(const void __iomem *base_address, u32 irq_mask)
+hw_status hw_mmu_event_enable(void __iomem *base_address, u32 irq_mask)
 {
 	hw_status status = 0;
 	u32 irq_reg;
@@ -236,7 +211,7 @@ hw_status hw_mmu_event_enable(const void __iomem *base_address, u32 irq_mask)
 	return status;
 }
 
-hw_status hw_mmu_event_status(const void __iomem *base_address, u32 *irq_mask)
+hw_status hw_mmu_event_status(void __iomem *base_address, u32 *irq_mask)
 {
 	hw_status status = 0;
 
@@ -245,7 +220,7 @@ hw_status hw_mmu_event_status(const void __iomem *base_address, u32 *irq_mask)
 	return status;
 }
 
-hw_status hw_mmu_fault_addr_read(const void __iomem *base_address, u32 *addr)
+hw_status hw_mmu_fault_addr_read(void __iomem *base_address, u32 *addr)
 {
 	hw_status status = 0;
 
@@ -255,7 +230,7 @@ hw_status hw_mmu_fault_addr_read(const void __iomem *base_address, u32 *addr)
 	return status;
 }
 
-hw_status hw_mmu_ttb_set(const void __iomem *base_address, u32 ttb_phys_addr)
+hw_status hw_mmu_ttb_set(void __iomem *base_address, u32 ttb_phys_addr)
 {
 	hw_status status = 0;
 	u32 load_ttb;
@@ -267,7 +242,7 @@ hw_status hw_mmu_ttb_set(const void __iomem *base_address, u32 ttb_phys_addr)
 	return status;
 }
 
-hw_status hw_mmu_twl_enable(const void __iomem *base_address)
+hw_status hw_mmu_twl_enable(void __iomem *base_address)
 {
 	hw_status status = 0;
 
@@ -276,7 +251,7 @@ hw_status hw_mmu_twl_enable(const void __iomem *base_address)
 	return status;
 }
 
-hw_status hw_mmu_twl_disable(const void __iomem *base_address)
+hw_status hw_mmu_twl_disable(void __iomem *base_address)
 {
 	hw_status status = 0;
 
@@ -285,45 +260,7 @@ hw_status hw_mmu_twl_disable(const void __iomem *base_address)
 	return status;
 }
 
-hw_status hw_mmu_tlb_flush(const void __iomem *base_address, u32 virtual_addr,
-			   u32 page_sz)
-{
-	hw_status status = 0;
-	u32 virtual_addr_tag;
-	enum hw_mmu_page_size_t pg_size_bits;
-
-	switch (page_sz) {
-	case HW_PAGE_SIZE4KB:
-		pg_size_bits = HW_MMU_SMALL_PAGE;
-		break;
-
-	case HW_PAGE_SIZE64KB:
-		pg_size_bits = HW_MMU_LARGE_PAGE;
-		break;
-
-	case HW_PAGE_SIZE1MB:
-		pg_size_bits = HW_MMU_SECTION;
-		break;
-
-	case HW_PAGE_SIZE16MB:
-		pg_size_bits = HW_MMU_SUPERSECTION;
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	/* Generate the 20-bit tag from virtual address */
-	virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12);
-
-	mmu_set_cam_entry(base_address, pg_size_bits, 0, 0, virtual_addr_tag);
-
-	mmu_flush_entry(base_address);
-
-	return status;
-}
-
-hw_status hw_mmu_tlb_add(const void __iomem *base_address,
+hw_status hw_mmu_tlb_add(void __iomem *base_address,
 			 u32 physical_addr,
 			 u32 virtual_addr,
 			 u32 page_sz,
@@ -503,20 +440,8 @@ hw_status hw_mmu_pte_clear(const u32 pg_tbl_va, u32 virtual_addr, u32 page_size)
 	return status;
 }
 
-/* mmu_flush_entry */
-static hw_status mmu_flush_entry(const void __iomem *base_address)
-{
-	hw_status status = 0;
-	u32 flush_entry_data = 0x1;
-
-	/* write values to register */
-	MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, flush_entry_data);
-
-	return status;
-}
-
 /* mmu_set_cam_entry */
-static hw_status mmu_set_cam_entry(const void __iomem *base_address,
+static hw_status mmu_set_cam_entry(void __iomem *base_address,
 				   const u32 page_sz,
 				   const u32 preserved_bit,
 				   const u32 valid_bit,
@@ -536,7 +461,7 @@ static hw_status mmu_set_cam_entry(const void __iomem *base_address,
 }
 
 /* mmu_set_ram_entry */
-static hw_status mmu_set_ram_entry(const void __iomem *base_address,
+static hw_status mmu_set_ram_entry(void __iomem *base_address,
 				   const u32 physical_addr,
 				   enum hw_endianism_t endianism,
 				   enum hw_element_size_t element_size,
@@ -556,7 +481,7 @@ static hw_status mmu_set_ram_entry(const void __iomem *base_address,
 
 }
 
-void hw_mmu_tlb_flush_all(const void __iomem *base)
+void hw_mmu_tlb_flush_all(void __iomem *base)
 {
 	__raw_writel(1, base + MMU_GFLUSH);
 }
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.h b/drivers/staging/tidspbridge/hw/hw_mmu.h
index 1458a2c6027..1c50bb36edf 100644
--- a/drivers/staging/tidspbridge/hw/hw_mmu.h
+++ b/drivers/staging/tidspbridge/hw/hw_mmu.h
@@ -42,44 +42,41 @@ struct hw_mmu_map_attrs_t {
 	bool donotlockmpupage;
 };
 
-extern hw_status hw_mmu_enable(const void __iomem *base_address);
+extern hw_status hw_mmu_enable(void __iomem *base_address);
 
-extern hw_status hw_mmu_disable(const void __iomem *base_address);
+extern hw_status hw_mmu_disable(void __iomem *base_address);
 
-extern hw_status hw_mmu_num_locked_set(const void __iomem *base_address,
+extern hw_status hw_mmu_num_locked_set(void __iomem *base_address,
 				       u32 num_locked_entries);
 
-extern hw_status hw_mmu_victim_num_set(const void __iomem *base_address,
+extern hw_status hw_mmu_victim_num_set(void __iomem *base_address,
 				       u32 victim_entry_num);
 
 /* For MMU faults */
-extern hw_status hw_mmu_event_ack(const void __iomem *base_address,
+extern hw_status hw_mmu_event_ack(void __iomem *base_address,
 				  u32 irq_mask);
 
-extern hw_status hw_mmu_event_disable(const void __iomem *base_address,
+extern hw_status hw_mmu_event_disable(void __iomem *base_address,
 				      u32 irq_mask);
 
-extern hw_status hw_mmu_event_enable(const void __iomem *base_address,
+extern hw_status hw_mmu_event_enable(void __iomem *base_address,
 				     u32 irq_mask);
 
-extern hw_status hw_mmu_event_status(const void __iomem *base_address,
+extern hw_status hw_mmu_event_status(void __iomem *base_address,
 				     u32 *irq_mask);
 
-extern hw_status hw_mmu_fault_addr_read(const void __iomem *base_address,
+extern hw_status hw_mmu_fault_addr_read(void __iomem *base_address,
 					u32 *addr);
 
 /* Set the TT base address */
-extern hw_status hw_mmu_ttb_set(const void __iomem *base_address,
+extern hw_status hw_mmu_ttb_set(void __iomem *base_address,
 				u32 ttb_phys_addr);
 
-extern hw_status hw_mmu_twl_enable(const void __iomem *base_address);
+extern hw_status hw_mmu_twl_enable(void __iomem *base_address);
 
-extern hw_status hw_mmu_twl_disable(const void __iomem *base_address);
+extern hw_status hw_mmu_twl_disable(void __iomem *base_address);
 
-extern hw_status hw_mmu_tlb_flush(const void __iomem *base_address,
-				  u32 virtual_addr, u32 page_sz);
-
-extern hw_status hw_mmu_tlb_add(const void __iomem *base_address,
+extern hw_status hw_mmu_tlb_add(void __iomem *base_address,
 				u32 physical_addr,
 				u32 virtual_addr,
 				u32 page_sz,
@@ -97,7 +94,7 @@ extern hw_status hw_mmu_pte_set(const u32 pg_tbl_va,
 extern hw_status hw_mmu_pte_clear(const u32 pg_tbl_va,
 				  u32 virtual_addr, u32 page_size);
 
-void hw_mmu_tlb_flush_all(const void __iomem *base);
+void hw_mmu_tlb_flush_all(void __iomem *base);
 
 static inline u32 hw_mmu_pte_addr_l1(u32 l1_base, u32 va)
 {
diff --git a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
index 60a278136bd..b32c75673ab 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
@@ -53,8 +53,8 @@ struct cfg_hostres {
 	u32 chnl_buf_size;
 	u32 num_chnls;
 	void __iomem *per_base;
-	u32 per_pm_base;
-	u32 core_pm_base;
+	void __iomem *per_pm_base;
+	void __iomem *core_pm_base;
 	void __iomem *dmmu_base;
 };
 
diff --git a/drivers/staging/tidspbridge/include/dspbridge/host_os.h b/drivers/staging/tidspbridge/include/dspbridge/host_os.h
index ed00d3da320..5e2f4d82d92 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/host_os.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/host_os.h
@@ -47,8 +47,8 @@
 #include <asm/cacheflush.h>
 #include <linux/dma-mapping.h>
 
-/* TODO -- Remove, once BP defines them */
-#define INT_DSP_MMU_IRQ        28
+/* TODO -- Remove, once omap-iommu is used */
+#define INT_DSP_MMU_IRQ        (28 + NR_IRQS)
 
 #define PRCM_VDD1 1
 
diff --git a/drivers/staging/tidspbridge/rmgr/drv.c b/drivers/staging/tidspbridge/rmgr/drv.c
index 6795205b015..db1da28cecb 100644
--- a/drivers/staging/tidspbridge/rmgr/drv.c
+++ b/drivers/staging/tidspbridge/rmgr/drv.c
@@ -667,10 +667,10 @@ int drv_request_bridge_res_dsp(void **phost_resources)
 							 OMAP_DSP_MEM3_SIZE);
 		host_res->per_base = ioremap(OMAP_PER_CM_BASE,
 						OMAP_PER_CM_SIZE);
-		host_res->per_pm_base = (u32) ioremap(OMAP_PER_PRM_BASE,
-							 OMAP_PER_PRM_SIZE);
-		host_res->core_pm_base = (u32) ioremap(OMAP_CORE_PRM_BASE,
-							  OMAP_CORE_PRM_SIZE);
+		host_res->per_pm_base = ioremap(OMAP_PER_PRM_BASE,
+						OMAP_PER_PRM_SIZE);
+		host_res->core_pm_base = ioremap(OMAP_CORE_PRM_BASE,
+							OMAP_CORE_PRM_SIZE);
 		host_res->dmmu_base = ioremap(OMAP_DMMU_BASE,
 						 OMAP_DMMU_SIZE);
 
diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c
index c2fc6137c77..294e9b40f51 100644
--- a/drivers/staging/tidspbridge/rmgr/node.c
+++ b/drivers/staging/tidspbridge/rmgr/node.c
@@ -304,8 +304,7 @@ int node_allocate(struct proc_object *hprocessor,
 	u32 pul_value;
 	u32 dynext_base;
 	u32 off_set = 0;
-	u32 ul_stack_seg_addr, ul_stack_seg_val;
-	u32 ul_gpp_mem_base;
+	u32 ul_stack_seg_val;
 	struct cfg_hostres *host_res;
 	struct bridge_dev_context *pbridge_context;
 	u32 mapped_addr = 0;
@@ -581,6 +580,9 @@ func_cont:
 		if (strcmp((char *)
 			   pnode->dcd_props.obj_data.node_obj.ndb_props.
 			   stack_seg_name, STACKSEGLABEL) == 0) {
+			void __iomem *stack_seg;
+			u32 stack_seg_pa;
+
 			status =
 			    hnode_mgr->nldr_fxns.
 			    get_fxn_addr(pnode->nldr_node_obj, "DYNEXT_BEG",
@@ -608,14 +610,21 @@ func_cont:
 				goto func_end;
 			}
 
-			ul_gpp_mem_base = (u32) host_res->mem_base[1];
 			off_set = pul_value - dynext_base;
-			ul_stack_seg_addr = ul_gpp_mem_base + off_set;
-			ul_stack_seg_val = readl(ul_stack_seg_addr);
+			stack_seg_pa = host_res->mem_phys[1] + off_set;
+			stack_seg = ioremap(stack_seg_pa, SZ_32);
+			if (!stack_seg) {
+				status = -ENOMEM;
+				goto func_end;
+			}
+
+			ul_stack_seg_val = readl(stack_seg);
+
+			iounmap(stack_seg);
 
 			dev_dbg(bridge, "%s: StackSegVal = 0x%x, StackSegAddr ="
 				" 0x%x\n", __func__, ul_stack_seg_val,
-				ul_stack_seg_addr);
+				host_res->mem_base[1] + off_set);
 
 			pnode->create_args.asa.task_arg_obj.stack_seg =
 			    ul_stack_seg_val;
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 653b074035f..6edefde2372 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -223,8 +223,13 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
 	cmem = zs_map_object(zram->mem_pool, zram->table[index].handle,
 				ZS_MM_RO);
 
-	ret = lzo1x_decompress_safe(cmem, zram->table[index].size,
+	if (zram->table[index].size == PAGE_SIZE) {
+		memcpy(uncmem, cmem, PAGE_SIZE);
+		ret = LZO_E_OK;
+	} else {
+		ret = lzo1x_decompress_safe(cmem, zram->table[index].size,
 				    uncmem, &clen);
+	}
 
 	if (is_partial_io(bvec)) {
 		memcpy(user_mem + bvec->bv_offset, uncmem + offset,
@@ -342,8 +347,11 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index,
 		goto out;
 	}
 
-	if (unlikely(clen > max_zpage_size))
+	if (unlikely(clen > max_zpage_size)) {
 		zram_stat_inc(&zram->stats.bad_compress);
+		src = uncmem;
+		clen = PAGE_SIZE;
+	}
 
 	handle = zs_malloc(zram->mem_pool, clen);
 	if (!handle) {
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 97c0f78c3c9..035c2c76253 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -427,7 +427,7 @@ int iscsit_reset_np_thread(
 	return 0;
 }
 
-int iscsit_del_np_comm(struct iscsi_np *np)
+static int iscsit_del_np_comm(struct iscsi_np *np)
 {
 	if (np->np_socket)
 		sock_release(np->np_socket);
@@ -785,10 +785,6 @@ static int iscsit_handle_scsi_cmd(
 
 	hdr			= (struct iscsi_scsi_req *) buf;
 	payload_length		= ntoh24(hdr->dlength);
-	hdr->itt		= be32_to_cpu(hdr->itt);
-	hdr->data_length	= be32_to_cpu(hdr->data_length);
-	hdr->cmdsn		= be32_to_cpu(hdr->cmdsn);
-	hdr->exp_statsn		= be32_to_cpu(hdr->exp_statsn);
 
 	/* FIXME; Add checks for AdditionalHeaderSegment */
 
@@ -852,7 +848,7 @@ done:
 				buf, conn);
 	}
 
-	if ((hdr->data_length == payload_length) &&
+	if ((be32_to_cpu(hdr->data_length )== payload_length) &&
 	    (!(hdr->flags & ISCSI_FLAG_CMD_FINAL))) {
 		pr_err("Expected Data Transfer Length and Length of"
 			" Immediate Data are the same, but ISCSI_FLAG_CMD_FINAL"
@@ -861,7 +857,7 @@ done:
 				buf, conn);
 	}
 
-	if (payload_length > hdr->data_length) {
+	if (payload_length > be32_to_cpu(hdr->data_length)) {
 		pr_err("DataSegmentLength: %u is greater than"
 			" EDTL: %u, protocol error.\n", payload_length,
 				hdr->data_length);
@@ -869,10 +865,10 @@ done:
 				buf, conn);
 	}
 
-	if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+	if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
 		pr_err("DataSegmentLength: %u is greater than"
-			" MaxRecvDataSegmentLength: %u, protocol error.\n",
-			payload_length, conn->conn_ops->MaxRecvDataSegmentLength);
+			" MaxXmitDataSegmentLength: %u, protocol error.\n",
+			payload_length, conn->conn_ops->MaxXmitDataSegmentLength);
 		return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
 				buf, conn);
 	}
@@ -932,8 +928,8 @@ done:
 		spin_unlock_bh(&conn->sess->ttt_lock);
 	} else if (hdr->flags & ISCSI_FLAG_CMD_WRITE)
 		cmd->targ_xfer_tag = 0xFFFFFFFF;
-	cmd->cmd_sn		= hdr->cmdsn;
-	cmd->exp_stat_sn	= hdr->exp_statsn;
+	cmd->cmd_sn		= be32_to_cpu(hdr->cmdsn);
+	cmd->exp_stat_sn	= be32_to_cpu(hdr->exp_statsn);
 	cmd->first_burst_len	= payload_length;
 
 	if (cmd->data_direction == DMA_FROM_DEVICE) {
@@ -952,8 +948,9 @@ done:
 	 * Initialize struct se_cmd descriptor from target_core_mod infrastructure
 	 */
 	transport_init_se_cmd(&cmd->se_cmd, &lio_target_fabric_configfs->tf_ops,
-			conn->sess->se_sess, hdr->data_length, cmd->data_direction,
-			sam_task_attr, &cmd->sense_buffer[0]);
+			conn->sess->se_sess, be32_to_cpu(hdr->data_length),
+			cmd->data_direction, sam_task_attr,
+			cmd->sense_buffer + 2);
 
 	pr_debug("Got SCSI Command, ITT: 0x%08x, CmdSN: 0x%08x,"
 		" ExpXferLen: %u, Length: %u, CID: %hu\n", hdr->itt,
@@ -1028,7 +1025,7 @@ attach_cmd:
 				1, 0, buf, cmd);
 	}
 
-	iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+	iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
 
 	/*
 	 * If no Immediate Data is attached, it's OK to return now.
@@ -1194,11 +1191,6 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
 
 	hdr			= (struct iscsi_data *) buf;
 	payload_length		= ntoh24(hdr->dlength);
-	hdr->itt		= be32_to_cpu(hdr->itt);
-	hdr->ttt		= be32_to_cpu(hdr->ttt);
-	hdr->exp_statsn		= be32_to_cpu(hdr->exp_statsn);
-	hdr->datasn		= be32_to_cpu(hdr->datasn);
-	hdr->offset		= be32_to_cpu(hdr->offset);
 
 	if (!payload_length) {
 		pr_err("DataOUT payload is ZERO, protocol error.\n");
@@ -1216,10 +1208,10 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
 	}
 	spin_unlock_bh(&conn->sess->session_stats_lock);
 
-	if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+	if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
 		pr_err("DataSegmentLength: %u is greater than"
-			" MaxRecvDataSegmentLength: %u\n", payload_length,
-			conn->conn_ops->MaxRecvDataSegmentLength);
+			" MaxXmitDataSegmentLength: %u\n", payload_length,
+			conn->conn_ops->MaxXmitDataSegmentLength);
 		return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
 					buf, conn);
 	}
@@ -1250,7 +1242,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
 	se_cmd = &cmd->se_cmd;
 	iscsit_mod_dataout_timer(cmd);
 
-	if ((hdr->offset + payload_length) > cmd->se_cmd.data_length) {
+	if ((be32_to_cpu(hdr->offset) + payload_length) > cmd->se_cmd.data_length) {
 		pr_err("DataOut Offset: %u, Length %u greater than"
 			" iSCSI Command EDTL %u, protocol error.\n",
 			hdr->offset, payload_length, cmd->se_cmd.data_length);
@@ -1333,7 +1325,8 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
 	rx_size += payload_length;
 	iov = &cmd->iov_data[0];
 
-	iov_ret = iscsit_map_iovec(cmd, iov, hdr->offset, payload_length);
+	iov_ret = iscsit_map_iovec(cmd, iov, be32_to_cpu(hdr->offset),
+				   payload_length);
 	if (iov_ret < 0)
 		return -1;
 
@@ -1364,7 +1357,8 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
 		u32 data_crc;
 
 		data_crc = iscsit_do_crypto_hash_sg(&conn->conn_rx_hash, cmd,
-						    hdr->offset, payload_length, padding,
+						    be32_to_cpu(hdr->offset),
+						    payload_length, padding,
 						    cmd->pad_bytes);
 
 		if (checksum != data_crc) {
@@ -1425,30 +1419,26 @@ static int iscsit_handle_nop_out(
 
 	hdr			= (struct iscsi_nopout *) buf;
 	payload_length		= ntoh24(hdr->dlength);
-	hdr->itt		= be32_to_cpu(hdr->itt);
-	hdr->ttt		= be32_to_cpu(hdr->ttt);
-	hdr->cmdsn		= be32_to_cpu(hdr->cmdsn);
-	hdr->exp_statsn		= be32_to_cpu(hdr->exp_statsn);
 
-	if ((hdr->itt == 0xFFFFFFFF) && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) {
+	if (hdr->itt == RESERVED_ITT && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) {
 		pr_err("NOPOUT ITT is reserved, but Immediate Bit is"
 			" not set, protocol error.\n");
 		return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
 					buf, conn);
 	}
 
-	if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+	if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
 		pr_err("NOPOUT Ping Data DataSegmentLength: %u is"
-			" greater than MaxRecvDataSegmentLength: %u, protocol"
+			" greater than MaxXmitDataSegmentLength: %u, protocol"
 			" error.\n", payload_length,
-			conn->conn_ops->MaxRecvDataSegmentLength);
+			conn->conn_ops->MaxXmitDataSegmentLength);
 		return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
 					buf, conn);
 	}
 
 	pr_debug("Got NOPOUT Ping %s ITT: 0x%08x, TTT: 0x%09x,"
 		" CmdSN: 0x%08x, ExpStatSN: 0x%08x, Length: %u\n",
-		(hdr->itt == 0xFFFFFFFF) ? "Response" : "Request",
+		hdr->itt == RESERVED_ITT ? "Response" : "Request",
 		hdr->itt, hdr->ttt, hdr->cmdsn, hdr->exp_statsn,
 		payload_length);
 	/*
@@ -1458,7 +1448,7 @@ static int iscsit_handle_nop_out(
 	 * Either way, make sure we allocate an struct iscsi_cmd, as both
 	 * can contain ping data.
 	 */
-	if (hdr->ttt == 0xFFFFFFFF) {
+	if (hdr->ttt == cpu_to_be32(0xFFFFFFFF)) {
 		cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
 		if (!cmd)
 			return iscsit_add_reject(
@@ -1471,12 +1461,12 @@ static int iscsit_handle_nop_out(
 						1 : 0);
 		conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt;
 		cmd->targ_xfer_tag	= 0xFFFFFFFF;
-		cmd->cmd_sn		= hdr->cmdsn;
-		cmd->exp_stat_sn	= hdr->exp_statsn;
+		cmd->cmd_sn		= be32_to_cpu(hdr->cmdsn);
+		cmd->exp_stat_sn	= be32_to_cpu(hdr->exp_statsn);
 		cmd->data_direction	= DMA_NONE;
 	}
 
-	if (payload_length && (hdr->ttt == 0xFFFFFFFF)) {
+	if (payload_length && hdr->ttt == cpu_to_be32(0xFFFFFFFF)) {
 		rx_size = payload_length;
 		ping_data = kzalloc(payload_length + 1, GFP_KERNEL);
 		if (!ping_data) {
@@ -1556,7 +1546,7 @@ static int iscsit_handle_nop_out(
 		pr_debug("Ping Data: \"%s\"\n", ping_data);
 	}
 
-	if (hdr->itt != 0xFFFFFFFF) {
+	if (hdr->itt != RESERVED_ITT) {
 		if (!cmd) {
 			pr_err("Checking CmdSN for NOPOUT,"
 				" but cmd is NULL!\n");
@@ -1569,7 +1559,7 @@ static int iscsit_handle_nop_out(
 		list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list);
 		spin_unlock_bh(&conn->cmd_lock);
 
-		iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+		iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
 
 		if (hdr->opcode & ISCSI_OP_IMMEDIATE) {
 			iscsit_add_cmd_to_response_queue(cmd, conn,
@@ -1590,11 +1580,11 @@ static int iscsit_handle_nop_out(
 		return 0;
 	}
 
-	if (hdr->ttt != 0xFFFFFFFF) {
+	if (hdr->ttt != cpu_to_be32(0xFFFFFFFF)) {
 		/*
 		 * This was a response to a unsolicited NOPIN ping.
 		 */
-		cmd = iscsit_find_cmd_from_ttt(conn, hdr->ttt);
+		cmd = iscsit_find_cmd_from_ttt(conn, be32_to_cpu(hdr->ttt));
 		if (!cmd)
 			return -1;
 
@@ -1639,12 +1629,6 @@ static int iscsit_handle_task_mgt_cmd(
 	u8 function;
 
 	hdr			= (struct iscsi_tm *) buf;
-	hdr->itt		= be32_to_cpu(hdr->itt);
-	hdr->rtt		= be32_to_cpu(hdr->rtt);
-	hdr->cmdsn		= be32_to_cpu(hdr->cmdsn);
-	hdr->exp_statsn		= be32_to_cpu(hdr->exp_statsn);
-	hdr->refcmdsn		= be32_to_cpu(hdr->refcmdsn);
-	hdr->exp_datasn		= be32_to_cpu(hdr->exp_datasn);
 	hdr->flags &= ~ISCSI_FLAG_CMD_FINAL;
 	function = hdr->flags;
 
@@ -1655,9 +1639,9 @@ static int iscsit_handle_task_mgt_cmd(
 
 	if ((function != ISCSI_TM_FUNC_ABORT_TASK) &&
 	    ((function != ISCSI_TM_FUNC_TASK_REASSIGN) &&
-	     (hdr->rtt != ISCSI_RESERVED_TAG))) {
+	     hdr->rtt != RESERVED_ITT)) {
 		pr_err("RefTaskTag should be set to 0xFFFFFFFF.\n");
-		hdr->rtt = ISCSI_RESERVED_TAG;
+		hdr->rtt = RESERVED_ITT;
 	}
 
 	if ((function == ISCSI_TM_FUNC_TASK_REASSIGN) &&
@@ -1669,8 +1653,8 @@ static int iscsit_handle_task_mgt_cmd(
 					buf, conn);
 	}
 	if ((function != ISCSI_TM_FUNC_ABORT_TASK) &&
-	    (hdr->refcmdsn != ISCSI_RESERVED_TAG))
-		hdr->refcmdsn = ISCSI_RESERVED_TAG;
+	    be32_to_cpu(hdr->refcmdsn) != ISCSI_RESERVED_TAG)
+		hdr->refcmdsn = cpu_to_be32(ISCSI_RESERVED_TAG);
 
 	cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
 	if (!cmd)
@@ -1700,7 +1684,7 @@ static int iscsit_handle_task_mgt_cmd(
 		transport_init_se_cmd(&cmd->se_cmd,
 				      &lio_target_fabric_configfs->tf_ops,
 				      conn->sess->se_sess, 0, DMA_NONE,
-				      MSG_SIMPLE_TAG, &cmd->sense_buffer[0]);
+				      MSG_SIMPLE_TAG, cmd->sense_buffer + 2);
 
 		switch (function) {
 		case ISCSI_TM_FUNC_ABORT_TASK:
@@ -1747,8 +1731,8 @@ static int iscsit_handle_task_mgt_cmd(
 	cmd->immediate_cmd	= ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0);
 	cmd->init_task_tag	= hdr->itt;
 	cmd->targ_xfer_tag	= 0xFFFFFFFF;
-	cmd->cmd_sn		= hdr->cmdsn;
-	cmd->exp_stat_sn	= hdr->exp_statsn;
+	cmd->cmd_sn		= be32_to_cpu(hdr->cmdsn);
+	cmd->exp_stat_sn	= be32_to_cpu(hdr->exp_statsn);
 	se_tmr			= cmd->se_cmd.se_tmr_req;
 	tmr_req			= cmd->tmr_req;
 	/*
@@ -1832,7 +1816,7 @@ attach:
 					ISCSI_REASON_PROTOCOL_ERROR,
 					1, 0, buf, cmd);
 	}
-	iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+	iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
 
 	if (out_of_order_cmdsn || !(hdr->opcode & ISCSI_OP_IMMEDIATE))
 		return 0;
@@ -1869,15 +1853,11 @@ static int iscsit_handle_text_cmd(
 
 	hdr			= (struct iscsi_text *) buf;
 	payload_length		= ntoh24(hdr->dlength);
-	hdr->itt		= be32_to_cpu(hdr->itt);
-	hdr->ttt		= be32_to_cpu(hdr->ttt);
-	hdr->cmdsn		= be32_to_cpu(hdr->cmdsn);
-	hdr->exp_statsn		= be32_to_cpu(hdr->exp_statsn);
 
-	if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+	if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
 		pr_err("Unable to accept text parameter length: %u"
-			"greater than MaxRecvDataSegmentLength %u.\n",
-		       payload_length, conn->conn_ops->MaxRecvDataSegmentLength);
+			"greater than MaxXmitDataSegmentLength %u.\n",
+		       payload_length, conn->conn_ops->MaxXmitDataSegmentLength);
 		return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
 					buf, conn);
 	}
@@ -1989,15 +1969,15 @@ static int iscsit_handle_text_cmd(
 	cmd->immediate_cmd	= ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0);
 	conn->sess->init_task_tag = cmd->init_task_tag	= hdr->itt;
 	cmd->targ_xfer_tag	= 0xFFFFFFFF;
-	cmd->cmd_sn		= hdr->cmdsn;
-	cmd->exp_stat_sn	= hdr->exp_statsn;
+	cmd->cmd_sn		= be32_to_cpu(hdr->cmdsn);
+	cmd->exp_stat_sn	= be32_to_cpu(hdr->exp_statsn);
 	cmd->data_direction	= DMA_NONE;
 
 	spin_lock_bh(&conn->cmd_lock);
 	list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list);
 	spin_unlock_bh(&conn->cmd_lock);
 
-	iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+	iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
 
 	if (!(hdr->opcode & ISCSI_OP_IMMEDIATE)) {
 		cmdsn_ret = iscsit_sequence_cmd(conn, cmd, hdr->cmdsn);
@@ -2131,10 +2111,6 @@ static int iscsit_handle_logout_cmd(
 
 	hdr			= (struct iscsi_logout *) buf;
 	reason_code		= (hdr->flags & 0x7f);
-	hdr->itt		= be32_to_cpu(hdr->itt);
-	hdr->cid		= be16_to_cpu(hdr->cid);
-	hdr->cmdsn		= be32_to_cpu(hdr->cmdsn);
-	hdr->exp_statsn	= be32_to_cpu(hdr->exp_statsn);
 
 	if (tiqn) {
 		spin_lock(&tiqn->logout_stats.lock);
@@ -2166,9 +2142,9 @@ static int iscsit_handle_logout_cmd(
 	cmd->immediate_cmd      = ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0);
 	conn->sess->init_task_tag = cmd->init_task_tag  = hdr->itt;
 	cmd->targ_xfer_tag      = 0xFFFFFFFF;
-	cmd->cmd_sn             = hdr->cmdsn;
-	cmd->exp_stat_sn        = hdr->exp_statsn;
-	cmd->logout_cid         = hdr->cid;
+	cmd->cmd_sn             = be32_to_cpu(hdr->cmdsn);
+	cmd->exp_stat_sn        = be32_to_cpu(hdr->exp_statsn);
+	cmd->logout_cid         = be16_to_cpu(hdr->cid);
 	cmd->logout_reason      = reason_code;
 	cmd->data_direction     = DMA_NONE;
 
@@ -2178,7 +2154,7 @@ static int iscsit_handle_logout_cmd(
 	 */
 	if ((reason_code == ISCSI_LOGOUT_REASON_CLOSE_SESSION) ||
 	   ((reason_code == ISCSI_LOGOUT_REASON_CLOSE_CONNECTION) &&
-	    (hdr->cid == conn->cid)))
+	    be16_to_cpu(hdr->cid) == conn->cid))
 		logout_remove = 1;
 
 	spin_lock_bh(&conn->cmd_lock);
@@ -2186,7 +2162,7 @@ static int iscsit_handle_logout_cmd(
 	spin_unlock_bh(&conn->cmd_lock);
 
 	if (reason_code != ISCSI_LOGOUT_REASON_RECOVERY)
-		iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+		iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
 
 	/*
 	 * Immediate commands are executed, well, immediately.
@@ -2219,11 +2195,6 @@ static int iscsit_handle_snack(
 
 	hdr			= (struct iscsi_snack *) buf;
 	hdr->flags		&= ~ISCSI_FLAG_CMD_FINAL;
-	hdr->itt		= be32_to_cpu(hdr->itt);
-	hdr->ttt		= be32_to_cpu(hdr->ttt);
-	hdr->exp_statsn		= be32_to_cpu(hdr->exp_statsn);
-	hdr->begrun		= be32_to_cpu(hdr->begrun);
-	hdr->runlength		= be32_to_cpu(hdr->runlength);
 
 	pr_debug("Got ISCSI_INIT_SNACK, ITT: 0x%08x, ExpStatSN:"
 		" 0x%08x, Type: 0x%02x, BegRun: 0x%08x, RunLength: 0x%08x,"
@@ -2243,13 +2214,18 @@ static int iscsit_handle_snack(
 	switch (hdr->flags & ISCSI_FLAG_SNACK_TYPE_MASK) {
 	case 0:
 		return iscsit_handle_recovery_datain_or_r2t(conn, buf,
-			hdr->itt, hdr->ttt, hdr->begrun, hdr->runlength);
+			hdr->itt,
+			be32_to_cpu(hdr->ttt),
+			be32_to_cpu(hdr->begrun),
+			be32_to_cpu(hdr->runlength));
 	case ISCSI_FLAG_SNACK_TYPE_STATUS:
-		return iscsit_handle_status_snack(conn, hdr->itt, hdr->ttt,
-			hdr->begrun, hdr->runlength);
+		return iscsit_handle_status_snack(conn, hdr->itt,
+			be32_to_cpu(hdr->ttt),
+			be32_to_cpu(hdr->begrun), be32_to_cpu(hdr->runlength));
 	case ISCSI_FLAG_SNACK_TYPE_DATA_ACK:
-		return iscsit_handle_data_ack(conn, hdr->ttt, hdr->begrun,
-			hdr->runlength);
+		return iscsit_handle_data_ack(conn, be32_to_cpu(hdr->ttt),
+			be32_to_cpu(hdr->begrun),
+			be32_to_cpu(hdr->runlength));
 	case ISCSI_FLAG_SNACK_TYPE_RDATA:
 		/* FIXME: Support R-Data SNACK */
 		pr_err("R-Data SNACK Not Supported.\n");
@@ -2414,7 +2390,7 @@ static int iscsit_send_conn_drop_async_message(
 	hdr			= (struct iscsi_async *) cmd->pdu;
 	hdr->opcode		= ISCSI_OP_ASYNC_EVENT;
 	hdr->flags		= ISCSI_FLAG_CMD_FINAL;
-	cmd->init_task_tag	= 0xFFFFFFFF;
+	cmd->init_task_tag	= RESERVED_ITT;
 	cmd->targ_xfer_tag	= 0xFFFFFFFF;
 	put_unaligned_be64(0xFFFFFFFFFFFFFFFFULL, &hdr->rsvd4[0]);
 	cmd->stat_sn		= conn->stat_sn++;
@@ -2536,12 +2512,17 @@ static int iscsit_send_data_in(
 	else
 		put_unaligned_le64(0xFFFFFFFFFFFFFFFFULL, &hdr->lun);
 
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
-	hdr->ttt		= (hdr->flags & ISCSI_FLAG_DATA_ACK) ?
-				   cpu_to_be32(cmd->targ_xfer_tag) :
-				   0xFFFFFFFF;
-	hdr->statsn		= (set_statsn) ? cpu_to_be32(cmd->stat_sn) :
-						0xFFFFFFFF;
+	hdr->itt		= cmd->init_task_tag;
+
+	if (hdr->flags & ISCSI_FLAG_DATA_ACK)
+		hdr->ttt		= cpu_to_be32(cmd->targ_xfer_tag);
+	else
+		hdr->ttt		= cpu_to_be32(0xFFFFFFFF);
+	if (set_statsn)
+		hdr->statsn		= cpu_to_be32(cmd->stat_sn);
+	else
+		hdr->statsn		= cpu_to_be32(0xFFFFFFFF);
+
 	hdr->exp_cmdsn		= cpu_to_be32(conn->sess->exp_cmd_sn);
 	hdr->max_cmdsn		= cpu_to_be32(conn->sess->max_cmd_sn);
 	hdr->datasn		= cpu_to_be32(datain.data_sn);
@@ -2708,7 +2689,7 @@ static int iscsit_send_logout_response(
 	hdr->opcode		= ISCSI_OP_LOGOUT_RSP;
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
 	hdr->response		= cmd->logout_response;
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
+	hdr->itt		= cmd->init_task_tag;
 	cmd->stat_sn		= conn->stat_sn++;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
 
@@ -2759,7 +2740,7 @@ static int iscsit_send_unsolicited_nopin(
 	memset(hdr, 0, ISCSI_HDR_LEN);
 	hdr->opcode		= ISCSI_OP_NOOP_IN;
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
+	hdr->itt		= cmd->init_task_tag;
 	hdr->ttt		= cpu_to_be32(cmd->targ_xfer_tag);
 	cmd->stat_sn		= conn->stat_sn;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
@@ -2816,7 +2797,7 @@ static int iscsit_send_nopin_response(
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
 	hton24(hdr->dlength, cmd->buf_ptr_size);
 	put_unaligned_le64(0xFFFFFFFFFFFFFFFFULL, &hdr->lun);
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
+	hdr->itt		= cmd->init_task_tag;
 	hdr->ttt		= cpu_to_be32(cmd->targ_xfer_tag);
 	cmd->stat_sn		= conn->stat_sn++;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
@@ -2906,7 +2887,7 @@ static int iscsit_send_r2t(
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
 	int_to_scsilun(cmd->se_cmd.orig_fe_lun,
 			(struct scsi_lun *)&hdr->lun);
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
+	hdr->itt		= cmd->init_task_tag;
 	spin_lock_bh(&conn->sess->ttt_lock);
 	r2t->targ_xfer_tag	= conn->sess->targ_xfer_tag++;
 	if (r2t->targ_xfer_tag == 0xFFFFFFFF)
@@ -3074,7 +3055,7 @@ static int iscsit_send_status(
 	}
 	hdr->response		= cmd->iscsi_response;
 	hdr->cmd_status		= cmd->se_cmd.scsi_status;
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
+	hdr->itt		= cmd->init_task_tag;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
 
 	iscsit_increment_maxcmdsn(cmd, conn->sess);
@@ -3092,15 +3073,18 @@ static int iscsit_send_status(
 	if (cmd->se_cmd.sense_buffer &&
 	   ((cmd->se_cmd.se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) ||
 	    (cmd->se_cmd.se_cmd_flags & SCF_EMULATED_TASK_SENSE))) {
+		put_unaligned_be16(cmd->se_cmd.scsi_sense_length, cmd->sense_buffer);
+		cmd->se_cmd.scsi_sense_length += sizeof (__be16);
+
 		padding		= -(cmd->se_cmd.scsi_sense_length) & 3;
-		hton24(hdr->dlength, cmd->se_cmd.scsi_sense_length);
-		iov[iov_count].iov_base	= cmd->se_cmd.sense_buffer;
+		hton24(hdr->dlength, (u32)cmd->se_cmd.scsi_sense_length);
+		iov[iov_count].iov_base	= cmd->sense_buffer;
 		iov[iov_count++].iov_len =
 				(cmd->se_cmd.scsi_sense_length + padding);
 		tx_size += cmd->se_cmd.scsi_sense_length;
 
 		if (padding) {
-			memset(cmd->se_cmd.sense_buffer +
+			memset(cmd->sense_buffer +
 				cmd->se_cmd.scsi_sense_length, 0, padding);
 			tx_size += padding;
 			pr_debug("Adding %u bytes of padding to"
@@ -3109,7 +3093,7 @@ static int iscsit_send_status(
 
 		if (conn->conn_ops->DataDigest) {
 			iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
-				cmd->se_cmd.sense_buffer,
+				cmd->sense_buffer,
 				(cmd->se_cmd.scsi_sense_length + padding),
 				0, NULL, (u8 *)&cmd->data_crc);
 
@@ -3184,7 +3168,7 @@ static int iscsit_send_task_mgt_rsp(
 	hdr->opcode		= ISCSI_OP_SCSI_TMFUNC_RSP;
 	hdr->flags		= ISCSI_FLAG_CMD_FINAL;
 	hdr->response		= iscsit_convert_tcm_tmr_rsp(se_tmr);
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
+	hdr->itt		= cmd->init_task_tag;
 	cmd->stat_sn		= conn->stat_sn++;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
 
@@ -3236,7 +3220,7 @@ static bool iscsit_check_inaddr_any(struct iscsi_np *np)
 		struct sockaddr_in * sock_in =
 			(struct sockaddr_in *)&np->np_sockaddr;
 
-		if (sock_in->sin_addr.s_addr == INADDR_ANY)
+		if (sock_in->sin_addr.s_addr == htonl(INADDR_ANY))
 			ret = true;
 	}
 
@@ -3271,7 +3255,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
 		len += 1;
 
 		if ((len + payload_len) > buffer_len) {
-			spin_unlock(&tiqn->tiqn_tpg_lock);
 			end_of_buf = 1;
 			goto eob;
 		}
@@ -3358,7 +3341,7 @@ static int iscsit_send_text_rsp(
 	hdr->opcode		= ISCSI_OP_TEXT_RSP;
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
 	hton24(hdr->dlength, text_length);
-	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
+	hdr->itt		= cmd->init_task_tag;
 	hdr->ttt		= cpu_to_be32(cmd->targ_xfer_tag);
 	cmd->stat_sn		= conn->stat_sn++;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
@@ -3424,6 +3407,7 @@ static int iscsit_send_reject(
 	hdr->opcode		= ISCSI_OP_REJECT;
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
 	hton24(hdr->dlength, ISCSI_HDR_LEN);
+	hdr->ffffffff		= cpu_to_be32(0xffffffff);
 	cmd->stat_sn		= conn->stat_sn++;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
 	hdr->exp_cmdsn	= cpu_to_be32(conn->sess->exp_cmd_sn);
@@ -3735,7 +3719,9 @@ restart:
 		 */
 		iscsit_thread_check_cpumask(conn, current, 1);
 
-		schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT);
+		wait_event_interruptible(conn->queues_wq,
+					 !iscsit_conn_all_queues_empty(conn) ||
+					 ts->status == ISCSI_THREAD_SET_RESET);
 
 		if ((ts->status == ISCSI_THREAD_SET_RESET) ||
 		     signal_pending(current))
diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h
index 12abb4c9e34..f1e4f3155ba 100644
--- a/drivers/target/iscsi/iscsi_target.h
+++ b/drivers/target/iscsi/iscsi_target.h
@@ -38,4 +38,9 @@ extern struct kmem_cache *lio_cmd_cache;
 extern struct kmem_cache *lio_qr_cache;
 extern struct kmem_cache *lio_r2t_cache;
 
+extern struct idr sess_idr;
+extern struct mutex auth_id_lock;
+extern spinlock_t sess_idr_lock;
+
+
 #endif   /*** ISCSI_TARGET_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index a7b25e783b5..ff6fd4fb624 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -135,7 +135,7 @@ static struct configfs_attribute *lio_target_portal_attrs[] = {
 
 #define MAX_PORTAL_LEN		256
 
-struct se_tpg_np *lio_target_call_addnptotpg(
+static struct se_tpg_np *lio_target_call_addnptotpg(
 	struct se_portal_group *se_tpg,
 	struct config_group *group,
 	const char *name)
@@ -1034,6 +1034,9 @@ TPG_PARAM_ATTR(ImmediateData, S_IRUGO | S_IWUSR);
 DEF_TPG_PARAM(MaxRecvDataSegmentLength);
 TPG_PARAM_ATTR(MaxRecvDataSegmentLength, S_IRUGO | S_IWUSR);
 
+DEF_TPG_PARAM(MaxXmitDataSegmentLength);
+TPG_PARAM_ATTR(MaxXmitDataSegmentLength, S_IRUGO | S_IWUSR);
+
 DEF_TPG_PARAM(MaxBurstLength);
 TPG_PARAM_ATTR(MaxBurstLength, S_IRUGO | S_IWUSR);
 
@@ -1079,6 +1082,7 @@ static struct configfs_attribute *lio_target_tpg_param_attrs[] = {
 	&iscsi_tpg_param_InitialR2T.attr,
 	&iscsi_tpg_param_ImmediateData.attr,
 	&iscsi_tpg_param_MaxRecvDataSegmentLength.attr,
+	&iscsi_tpg_param_MaxXmitDataSegmentLength.attr,
 	&iscsi_tpg_param_MaxBurstLength.attr,
 	&iscsi_tpg_param_FirstBurstLength.attr,
 	&iscsi_tpg_param_DefaultTime2Wait.attr,
@@ -1166,7 +1170,7 @@ static struct configfs_attribute *lio_target_tpg_attrs[] = {
 
 /* Start items for lio_target_tiqn_cit */
 
-struct se_portal_group *lio_target_tiqn_addtpg(
+static struct se_portal_group *lio_target_tiqn_addtpg(
 	struct se_wwn *wwn,
 	struct config_group *group,
 	const char *name)
@@ -1216,7 +1220,7 @@ out:
 	return NULL;
 }
 
-void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg)
+static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg)
 {
 	struct iscsi_portal_group *tpg;
 	struct iscsi_tiqn *tiqn;
@@ -1248,7 +1252,7 @@ static struct configfs_attribute *lio_target_wwn_attrs[] = {
 	NULL,
 };
 
-struct se_wwn *lio_target_call_coreaddtiqn(
+static struct se_wwn *lio_target_call_coreaddtiqn(
 	struct target_fabric_configfs *tf,
 	struct config_group *group,
 	const char *name)
@@ -1296,7 +1300,7 @@ struct se_wwn *lio_target_call_coreaddtiqn(
 	return &tiqn->tiqn_wwn;
 }
 
-void lio_target_call_coredeltiqn(
+static void lio_target_call_coredeltiqn(
 	struct se_wwn *wwn)
 {
 	struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn);
@@ -1471,7 +1475,8 @@ static u32 iscsi_get_task_tag(struct se_cmd *se_cmd)
 {
 	struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
 
-	return cmd->init_task_tag;
+	/* only used for printks or comparism with ->ref_task_tag */
+	return (__force u32)cmd->init_task_tag;
 }
 
 static int iscsi_get_cmd_state(struct se_cmd *se_cmd)
@@ -1542,29 +1547,6 @@ static int lio_queue_status(struct se_cmd *se_cmd)
 	return 0;
 }
 
-static u16 lio_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
-	unsigned char *buffer = se_cmd->sense_buffer;
-	/*
-	 * From RFC-3720 10.4.7.  Data Segment - Sense and Response Data Segment
-	 * 16-bit SenseLength.
-	 */
-	buffer[0] = ((sense_length >> 8) & 0xff);
-	buffer[1] = (sense_length & 0xff);
-	/*
-	 * Return two byte offset into allocated sense_buffer.
-	 */
-	return 2;
-}
-
-static u16 lio_get_fabric_sense_len(void)
-{
-	/*
-	 * Return two byte offset into allocated sense_buffer.
-	 */
-	return 2;
-}
-
 static int lio_queue_tm_rsp(struct se_cmd *se_cmd)
 {
 	struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
@@ -1748,8 +1730,6 @@ int iscsi_target_register_configfs(void)
 	fabric->tf_ops.queue_data_in = &lio_queue_data_in;
 	fabric->tf_ops.queue_status = &lio_queue_status;
 	fabric->tf_ops.queue_tm_rsp = &lio_queue_tm_rsp;
-	fabric->tf_ops.set_fabric_sense_len = &lio_set_fabric_sense_len;
-	fabric->tf_ops.get_fabric_sense_len = &lio_get_fabric_sense_len;
 	/*
 	 * Setup function pointers for generic logic in target_core_fabric_configfs.c
 	 */
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 8a908b28d8b..21048dbf7d1 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -25,10 +25,10 @@
 #define NA_DATAOUT_TIMEOUT_RETRIES	5
 #define NA_DATAOUT_TIMEOUT_RETRIES_MAX	15
 #define NA_DATAOUT_TIMEOUT_RETRIES_MIN	1
-#define NA_NOPIN_TIMEOUT		5
+#define NA_NOPIN_TIMEOUT		15
 #define NA_NOPIN_TIMEOUT_MAX		60
 #define NA_NOPIN_TIMEOUT_MIN		3
-#define NA_NOPIN_RESPONSE_TIMEOUT	5
+#define NA_NOPIN_RESPONSE_TIMEOUT	30
 #define NA_NOPIN_RESPONSE_TIMEOUT_MAX	60
 #define NA_NOPIN_RESPONSE_TIMEOUT_MIN	3
 #define NA_RANDOM_DATAIN_PDU_OFFSETS	0
@@ -239,6 +239,7 @@ struct iscsi_conn_ops {
 	u8	HeaderDigest;			/* [0,1] == [None,CRC32C] */
 	u8	DataDigest;			/* [0,1] == [None,CRC32C] */
 	u32	MaxRecvDataSegmentLength;	/* [512..2**24-1] */
+	u32	MaxXmitDataSegmentLength;	/* [512..2**24-1] */
 	u8	OFMarker;			/* [0,1] == [No,Yes] */
 	u8	IFMarker;			/* [0,1] == [No,Yes] */
 	u32	OFMarkInt;			/* [1..65535] */
@@ -360,7 +361,7 @@ struct iscsi_cmd {
 	/* Command flags */
 	enum cmd_flags_table	cmd_flags;
 	/* Initiator Task Tag assigned from Initiator */
-	u32			init_task_tag;
+	itt_t			init_task_tag;
 	/* Target Transfer Tag assigned from Target */
 	u32			targ_xfer_tag;
 	/* CmdSN assigned from Initiator */
@@ -478,7 +479,6 @@ struct iscsi_cmd {
 
 struct iscsi_tmr_req {
 	bool			task_reassign:1;
-	u32			ref_cmd_sn;
 	u32			exp_data_sn;
 	struct iscsi_cmd	*ref_cmd;
 	struct iscsi_conn_recovery *conn_recovery;
@@ -486,6 +486,7 @@ struct iscsi_tmr_req {
 };
 
 struct iscsi_conn {
+	wait_queue_head_t	queues_wq;
 	/* Authentication Successful for this connection */
 	u8			auth_complete;
 	/* State connection is currently in */
@@ -505,7 +506,7 @@ struct iscsi_conn {
 	u32			auth_id;
 	u32			conn_flags;
 	/* Used for iscsi_tx_login_rsp() */
-	u32			login_itt;
+	itt_t			login_itt;
 	u32			exp_statsn;
 	/* Per connection status sequence number */
 	u32			stat_sn;
@@ -578,6 +579,7 @@ struct iscsi_conn_recovery {
 	u16			cid;
 	u32			cmd_count;
 	u32			maxrecvdatasegmentlength;
+	u32			maxxmitdatasegmentlength;
 	int			ready_for_reallegiance;
 	struct list_head	conn_recovery_cmd_list;
 	spinlock_t		conn_recovery_cmd_lock;
@@ -597,7 +599,7 @@ struct iscsi_session {
 	/* state session is currently in */
 	u32			session_state;
 	/* session wide counter: initiator assigned task tag */
-	u32			init_task_tag;
+	itt_t			init_task_tag;
 	/* session wide counter: target assigned task tag */
 	u32			targ_xfer_tag;
 	u32			cmdsn_window;
@@ -663,7 +665,7 @@ struct iscsi_login {
 	u8 version_max;
 	char isid[6];
 	u32 cmd_sn;
-	u32 init_task_tag;
+	itt_t init_task_tag;
 	u32 initial_exp_statsn;
 	u32 rsp_length;
 	u16 cid;
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
index 1a02016ecda..8aacf611b86 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.c
+++ b/drivers/target/iscsi/iscsi_target_erl0.c
@@ -48,9 +48,9 @@ void iscsit_set_dataout_sequence_values(
 	if (cmd->unsolicited_data) {
 		cmd->seq_start_offset = cmd->write_data_done;
 		cmd->seq_end_offset = (cmd->write_data_done +
-			(cmd->se_cmd.data_length >
-			 conn->sess->sess_ops->FirstBurstLength) ?
-			conn->sess->sess_ops->FirstBurstLength : cmd->se_cmd.data_length);
+			((cmd->se_cmd.data_length >
+			  conn->sess->sess_ops->FirstBurstLength) ?
+			 conn->sess->sess_ops->FirstBurstLength : cmd->se_cmd.data_length));
 		return;
 	}
 
@@ -95,14 +95,15 @@ static int iscsit_dataout_within_command_recovery_check(
 	 */
 	if (conn->sess->sess_ops->DataSequenceInOrder) {
 		if ((cmd->cmd_flags & ICF_WITHIN_COMMAND_RECOVERY) &&
-		    (cmd->write_data_done != hdr->offset))
+		    cmd->write_data_done != be32_to_cpu(hdr->offset))
 			goto dump;
 
 		cmd->cmd_flags &= ~ICF_WITHIN_COMMAND_RECOVERY;
 	} else {
 		struct iscsi_seq *seq;
 
-		seq = iscsit_get_seq_holder(cmd, hdr->offset, payload_length);
+		seq = iscsit_get_seq_holder(cmd, be32_to_cpu(hdr->offset),
+					    payload_length);
 		if (!seq)
 			return DATAOUT_CANNOT_RECOVER;
 		/*
@@ -111,15 +112,15 @@ static int iscsit_dataout_within_command_recovery_check(
 		cmd->seq_ptr = seq;
 
 		if (conn->sess->sess_ops->DataPDUInOrder) {
-			if ((seq->status ==
-			     DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY) &&
-			   ((seq->offset != hdr->offset) ||
-			    (seq->data_sn != hdr->datasn)))
+			if (seq->status ==
+			    DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY &&
+			   (seq->offset != be32_to_cpu(hdr->offset) ||
+			    seq->data_sn != be32_to_cpu(hdr->datasn)))
 				goto dump;
 		} else {
-			if ((seq->status ==
-			     DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY) &&
-			    (seq->data_sn != hdr->datasn))
+			if (seq->status ==
+			     DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY &&
+			    seq->data_sn != be32_to_cpu(hdr->datasn))
 				goto dump;
 		}
 
@@ -148,12 +149,12 @@ static int iscsit_dataout_check_unsolicited_sequence(
 	u32 payload_length = ntoh24(hdr->dlength);
 
 
-	if ((hdr->offset < cmd->seq_start_offset) ||
-	   ((hdr->offset + payload_length) > cmd->seq_end_offset)) {
+	if ((be32_to_cpu(hdr->offset) < cmd->seq_start_offset) ||
+	   ((be32_to_cpu(hdr->offset) + payload_length) > cmd->seq_end_offset)) {
 		pr_err("Command ITT: 0x%08x with Offset: %u,"
 		" Length: %u outside of Unsolicited Sequence %u:%u while"
 		" DataSequenceInOrder=Yes.\n", cmd->init_task_tag,
-		hdr->offset, payload_length, cmd->seq_start_offset,
+		be32_to_cpu(hdr->offset), payload_length, cmd->seq_start_offset,
 			cmd->seq_end_offset);
 		return DATAOUT_CANNOT_RECOVER;
 	}
@@ -236,12 +237,12 @@ static int iscsit_dataout_check_sequence(
 		 * fullfilling an Recovery R2T, it's best to just dump the
 		 * payload here, instead of erroring out.
 		 */
-		if ((hdr->offset < cmd->seq_start_offset) ||
-		   ((hdr->offset + payload_length) > cmd->seq_end_offset)) {
+		if ((be32_to_cpu(hdr->offset) < cmd->seq_start_offset) ||
+		   ((be32_to_cpu(hdr->offset) + payload_length) > cmd->seq_end_offset)) {
 			pr_err("Command ITT: 0x%08x with Offset: %u,"
 			" Length: %u outside of Sequence %u:%u while"
 			" DataSequenceInOrder=Yes.\n", cmd->init_task_tag,
-			hdr->offset, payload_length, cmd->seq_start_offset,
+			be32_to_cpu(hdr->offset), payload_length, cmd->seq_start_offset,
 				cmd->seq_end_offset);
 
 			if (iscsit_dump_data_payload(conn, payload_length, 1) < 0)
@@ -251,7 +252,8 @@ static int iscsit_dataout_check_sequence(
 
 		next_burst_len = (cmd->next_burst_len + payload_length);
 	} else {
-		seq = iscsit_get_seq_holder(cmd, hdr->offset, payload_length);
+		seq = iscsit_get_seq_holder(cmd, be32_to_cpu(hdr->offset),
+					    payload_length);
 		if (!seq)
 			return DATAOUT_CANNOT_RECOVER;
 		/*
@@ -366,16 +368,16 @@ static int iscsit_dataout_check_datasn(
 		data_sn = seq->data_sn;
 	}
 
-	if (hdr->datasn > data_sn) {
+	if (be32_to_cpu(hdr->datasn) > data_sn) {
 		pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x"
 			" higher than expected 0x%08x.\n", cmd->init_task_tag,
-				hdr->datasn, data_sn);
+				be32_to_cpu(hdr->datasn), data_sn);
 		recovery = 1;
 		goto recover;
-	} else if (hdr->datasn < data_sn) {
+	} else if (be32_to_cpu(hdr->datasn) < data_sn) {
 		pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x"
 			" lower than expected 0x%08x, discarding payload.\n",
-			cmd->init_task_tag, hdr->datasn, data_sn);
+			cmd->init_task_tag, be32_to_cpu(hdr->datasn), data_sn);
 		dump = 1;
 		goto dump;
 	}
@@ -415,26 +417,27 @@ static int iscsit_dataout_pre_datapduinorder_yes(
 	 * error has occured and fail the connection.
 	 */
 	if (conn->sess->sess_ops->DataSequenceInOrder) {
-		if (hdr->offset != cmd->write_data_done) {
+		if (be32_to_cpu(hdr->offset) != cmd->write_data_done) {
 			pr_err("Command ITT: 0x%08x, received offset"
 			" %u different than expected %u.\n", cmd->init_task_tag,
-				hdr->offset, cmd->write_data_done);
+				be32_to_cpu(hdr->offset), cmd->write_data_done);
 			recovery = 1;
 			goto recover;
 		}
 	} else {
 		struct iscsi_seq *seq = cmd->seq_ptr;
 
-		if (hdr->offset > seq->offset) {
+		if (be32_to_cpu(hdr->offset) > seq->offset) {
 			pr_err("Command ITT: 0x%08x, received offset"
 			" %u greater than expected %u.\n", cmd->init_task_tag,
-				hdr->offset, seq->offset);
+				be32_to_cpu(hdr->offset), seq->offset);
 			recovery = 1;
 			goto recover;
-		} else if (hdr->offset < seq->offset) {
+		} else if (be32_to_cpu(hdr->offset) < seq->offset) {
 			pr_err("Command ITT: 0x%08x, received offset"
 			" %u less than expected %u, discarding payload.\n",
-				cmd->init_task_tag, hdr->offset, seq->offset);
+				cmd->init_task_tag, be32_to_cpu(hdr->offset),
+				seq->offset);
 			dump = 1;
 			goto dump;
 		}
@@ -453,7 +456,7 @@ dump:
 		return DATAOUT_CANNOT_RECOVER;
 
 	return (recovery) ? iscsit_recover_dataout_sequence(cmd,
-		hdr->offset, payload_length) :
+		be32_to_cpu(hdr->offset), payload_length) :
 	       (dump) ? DATAOUT_WITHIN_COMMAND_RECOVERY : DATAOUT_NORMAL;
 }
 
@@ -465,7 +468,8 @@ static int iscsit_dataout_pre_datapduinorder_no(
 	struct iscsi_data *hdr = (struct iscsi_data *) buf;
 	u32 payload_length = ntoh24(hdr->dlength);
 
-	pdu = iscsit_get_pdu_holder(cmd, hdr->offset, payload_length);
+	pdu = iscsit_get_pdu_holder(cmd, be32_to_cpu(hdr->offset),
+				    payload_length);
 	if (!pdu)
 		return DATAOUT_CANNOT_RECOVER;
 
@@ -479,7 +483,7 @@ static int iscsit_dataout_pre_datapduinorder_no(
 	case ISCSI_PDU_RECEIVED_OK:
 		pr_err("Command ITT: 0x%08x received already gotten"
 			" Offset: %u, Length: %u\n", cmd->init_task_tag,
-				hdr->offset, payload_length);
+				be32_to_cpu(hdr->offset), payload_length);
 		return iscsit_dump_data_payload(cmd->conn, payload_length, 1);
 	default:
 		return DATAOUT_CANNOT_RECOVER;
@@ -553,7 +557,7 @@ static int iscsit_dataout_post_crc_passed(
 	if (cmd->unsolicited_data) {
 		if ((cmd->first_burst_len + payload_length) ==
 		     conn->sess->sess_ops->FirstBurstLength) {
-			if (iscsit_dataout_update_r2t(cmd, hdr->offset,
+			if (iscsit_dataout_update_r2t(cmd, be32_to_cpu(hdr->offset),
 					payload_length) < 0)
 				return DATAOUT_CANNOT_RECOVER;
 			send_r2t = 1;
@@ -561,7 +565,8 @@ static int iscsit_dataout_post_crc_passed(
 
 		if (!conn->sess->sess_ops->DataPDUInOrder) {
 			ret = iscsit_dataout_update_datapduinorder_no(cmd,
-				hdr->datasn, (hdr->flags & ISCSI_FLAG_CMD_FINAL));
+				be32_to_cpu(hdr->datasn),
+				(hdr->flags & ISCSI_FLAG_CMD_FINAL));
 			if (ret == DATAOUT_CANNOT_RECOVER)
 				return ret;
 		}
@@ -586,7 +591,8 @@ static int iscsit_dataout_post_crc_passed(
 		if (conn->sess->sess_ops->DataSequenceInOrder) {
 			if ((cmd->next_burst_len + payload_length) ==
 			     conn->sess->sess_ops->MaxBurstLength) {
-				if (iscsit_dataout_update_r2t(cmd, hdr->offset,
+				if (iscsit_dataout_update_r2t(cmd,
+						be32_to_cpu(hdr->offset),
 						payload_length) < 0)
 					return DATAOUT_CANNOT_RECOVER;
 				send_r2t = 1;
@@ -594,7 +600,7 @@ static int iscsit_dataout_post_crc_passed(
 
 			if (!conn->sess->sess_ops->DataPDUInOrder) {
 				ret = iscsit_dataout_update_datapduinorder_no(
-						cmd, hdr->datasn,
+						cmd, be32_to_cpu(hdr->datasn),
 						(hdr->flags & ISCSI_FLAG_CMD_FINAL));
 				if (ret == DATAOUT_CANNOT_RECOVER)
 					return ret;
@@ -610,7 +616,8 @@ static int iscsit_dataout_post_crc_passed(
 
 			if ((seq->next_burst_len + payload_length) ==
 			     seq->xfer_len) {
-				if (iscsit_dataout_update_r2t(cmd, hdr->offset,
+				if (iscsit_dataout_update_r2t(cmd,
+						be32_to_cpu(hdr->offset),
 						payload_length) < 0)
 					return DATAOUT_CANNOT_RECOVER;
 				send_r2t = 1;
@@ -618,7 +625,7 @@ static int iscsit_dataout_post_crc_passed(
 
 			if (!conn->sess->sess_ops->DataPDUInOrder) {
 				ret = iscsit_dataout_update_datapduinorder_no(
-						cmd, hdr->datasn,
+						cmd, be32_to_cpu(hdr->datasn),
 						(hdr->flags & ISCSI_FLAG_CMD_FINAL));
 				if (ret == DATAOUT_CANNOT_RECOVER)
 					return ret;
@@ -678,14 +685,15 @@ static int iscsit_dataout_post_crc_failed(
 	}
 
 recover:
-	return iscsit_recover_dataout_sequence(cmd, hdr->offset, payload_length);
+	return iscsit_recover_dataout_sequence(cmd, be32_to_cpu(hdr->offset),
+						payload_length);
 }
 
 /*
  *	Called from iscsit_handle_data_out() before DataOUT Payload is received
  *	and CRC computed.
  */
-extern int iscsit_check_pre_dataout(
+int iscsit_check_pre_dataout(
 	struct iscsi_cmd *cmd,
 	unsigned char *buf)
 {
@@ -789,7 +797,7 @@ static void iscsit_handle_time2retain_timeout(unsigned long data)
 	target_put_session(sess->se_sess);
 }
 
-extern void iscsit_start_time2retain_handler(struct iscsi_session *sess)
+void iscsit_start_time2retain_handler(struct iscsi_session *sess)
 {
 	int tpg_active;
 	/*
@@ -822,7 +830,7 @@ extern void iscsit_start_time2retain_handler(struct iscsi_session *sess)
 /*
  *	Called with spin_lock_bh(&struct se_portal_group->session_lock) held
  */
-extern int iscsit_stop_time2retain_timer(struct iscsi_session *sess)
+int iscsit_stop_time2retain_timer(struct iscsi_session *sess)
 {
 	struct iscsi_portal_group *tpg = ISCSI_TPG_S(sess);
 	struct se_portal_group *se_tpg = &tpg->tpg_se_tpg;
@@ -926,7 +934,7 @@ static void iscsit_handle_connection_cleanup(struct iscsi_conn *conn)
 	}
 }
 
-extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
+void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
 {
 	spin_lock_bh(&conn->state_lock);
 	if (atomic_read(&conn->connection_exit)) {
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index 3df8a2cef86..21f29d91a8c 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -466,7 +466,7 @@ static int iscsit_handle_recovery_datain(
 int iscsit_handle_recovery_datain_or_r2t(
 	struct iscsi_conn *conn,
 	unsigned char *buf,
-	u32 init_task_tag,
+	itt_t init_task_tag,
 	u32 targ_xfer_tag,
 	u32 begrun,
 	u32 runlength)
@@ -498,7 +498,7 @@ int iscsit_handle_recovery_datain_or_r2t(
 /* #warning FIXME: Status SNACK needs to be dependent on OPCODE!!! */
 int iscsit_handle_status_snack(
 	struct iscsi_conn *conn,
-	u32 init_task_tag,
+	itt_t init_task_tag,
 	u32 targ_xfer_tag,
 	u32 begrun,
 	u32 runlength)
diff --git a/drivers/target/iscsi/iscsi_target_erl1.h b/drivers/target/iscsi/iscsi_target_erl1.h
index 85e67e29de6..2a3ebf118a3 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.h
+++ b/drivers/target/iscsi/iscsi_target_erl1.h
@@ -7,8 +7,8 @@ extern int iscsit_create_recovery_datain_values_datasequenceinorder_yes(
 extern int iscsit_create_recovery_datain_values_datasequenceinorder_no(
 			struct iscsi_cmd *, struct iscsi_datain_req *);
 extern int iscsit_handle_recovery_datain_or_r2t(struct iscsi_conn *, unsigned char *,
-			u32, u32, u32, u32);
-extern int iscsit_handle_status_snack(struct iscsi_conn *, u32, u32,
+			itt_t, u32, u32, u32);
+extern int iscsit_handle_status_snack(struct iscsi_conn *, itt_t, u32,
 			u32, u32);
 extern int iscsit_handle_data_ack(struct iscsi_conn *, u32, u32, u32);
 extern int iscsit_dataout_datapduinorder_no_fbit(struct iscsi_cmd *, struct iscsi_pdu *);
diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c
index 65aac14fd83..17d8c20094f 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.c
+++ b/drivers/target/iscsi/iscsi_target_erl2.c
@@ -36,7 +36,7 @@
  */
 void iscsit_create_conn_recovery_datain_values(
 	struct iscsi_cmd *cmd,
-	u32 exp_data_sn)
+	__be32 exp_data_sn)
 {
 	u32 data_sn = 0;
 	struct iscsi_conn *conn = cmd->conn;
@@ -44,7 +44,7 @@ void iscsit_create_conn_recovery_datain_values(
 	cmd->next_burst_len = 0;
 	cmd->read_data_done = 0;
 
-	while (exp_data_sn > data_sn) {
+	while (be32_to_cpu(exp_data_sn) > data_sn) {
 		if ((cmd->next_burst_len +
 		     conn->conn_ops->MaxRecvDataSegmentLength) <
 		     conn->sess->sess_ops->MaxBurstLength) {
@@ -193,15 +193,13 @@ int iscsit_remove_active_connection_recovery_entry(
 	return 0;
 }
 
-int iscsit_remove_inactive_connection_recovery_entry(
+static void iscsit_remove_inactive_connection_recovery_entry(
 	struct iscsi_conn_recovery *cr,
 	struct iscsi_session *sess)
 {
 	spin_lock(&sess->cr_i_lock);
 	list_del(&cr->cr_list);
 	spin_unlock(&sess->cr_i_lock);
-
-	return 0;
 }
 
 /*
@@ -421,6 +419,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
 	cr->cid = conn->cid;
 	cr->cmd_count = cmd_count;
 	cr->maxrecvdatasegmentlength = conn->conn_ops->MaxRecvDataSegmentLength;
+	cr->maxxmitdatasegmentlength = conn->conn_ops->MaxXmitDataSegmentLength;
 	cr->sess = conn->sess;
 
 	iscsit_attach_inactive_connection_recovery_entry(conn->sess, cr);
diff --git a/drivers/target/iscsi/iscsi_target_erl2.h b/drivers/target/iscsi/iscsi_target_erl2.h
index 22f8d24780a..63f2501f3fe 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.h
+++ b/drivers/target/iscsi/iscsi_target_erl2.h
@@ -1,7 +1,7 @@
 #ifndef ISCSI_TARGET_ERL2_H
 #define ISCSI_TARGET_ERL2_H
 
-extern void iscsit_create_conn_recovery_datain_values(struct iscsi_cmd *, u32);
+extern void iscsit_create_conn_recovery_datain_values(struct iscsi_cmd *, __be32);
 extern void iscsit_create_conn_recovery_dataout_values(struct iscsi_cmd *);
 extern struct iscsi_conn_recovery *iscsit_get_inactive_connection_recovery_entry(
 			struct iscsi_session *, u16);
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 6aba4395e8d..f8dbec05d5e 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -39,12 +39,9 @@
 #include "iscsi_target.h"
 #include "iscsi_target_parameters.h"
 
-extern struct idr sess_idr;
-extern struct mutex auth_id_lock;
-extern spinlock_t sess_idr_lock;
-
 static int iscsi_login_init_conn(struct iscsi_conn *conn)
 {
+	init_waitqueue_head(&conn->queues_wq);
 	INIT_LIST_HEAD(&conn->conn_list);
 	INIT_LIST_HEAD(&conn->conn_cmd_list);
 	INIT_LIST_HEAD(&conn->immed_queue_list);
@@ -196,10 +193,10 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
 static void iscsi_login_set_conn_values(
 	struct iscsi_session *sess,
 	struct iscsi_conn *conn,
-	u16 cid)
+	__be16 cid)
 {
 	conn->sess		= sess;
-	conn->cid		= cid;
+	conn->cid		= be16_to_cpu(cid);
 	/*
 	 * Generate a random Status sequence number (statsn) for the new
 	 * iSCSI connection.
@@ -234,7 +231,7 @@ static int iscsi_login_zero_tsih_s1(
 	iscsi_login_set_conn_values(sess, conn, pdu->cid);
 	sess->init_task_tag	= pdu->itt;
 	memcpy(&sess->isid, pdu->isid, 6);
-	sess->exp_cmd_sn	= pdu->cmdsn;
+	sess->exp_cmd_sn	= be32_to_cpu(pdu->cmdsn);
 	INIT_LIST_HEAD(&sess->sess_conn_list);
 	INIT_LIST_HEAD(&sess->sess_ooo_cmdsn_list);
 	INIT_LIST_HEAD(&sess->cr_active_list);
@@ -275,7 +272,7 @@ static int iscsi_login_zero_tsih_s1(
 	 * The FFP CmdSN window values will be allocated from the TPG's
 	 * Initiator Node's ACL once the login has been successfully completed.
 	 */
-	sess->max_cmd_sn	= pdu->cmdsn;
+	sess->max_cmd_sn	= be32_to_cpu(pdu->cmdsn);
 
 	sess->sess_ops = kzalloc(sizeof(struct iscsi_sess_ops), GFP_KERNEL);
 	if (!sess->sess_ops) {
@@ -453,7 +450,7 @@ static int iscsi_login_non_zero_tsih_s2(
 		   (sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED))
 			continue;
 		if (!memcmp(sess_p->isid, pdu->isid, 6) &&
-		     (sess_p->tsih == pdu->tsih)) {
+		     (sess_p->tsih == be16_to_cpu(pdu->tsih))) {
 			iscsit_inc_session_usage_count(sess_p);
 			iscsit_stop_time2retain_timer(sess_p);
 			sess = sess_p;
@@ -955,11 +952,7 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
 	}
 
 	pdu			= (struct iscsi_login_req *) buffer;
-	pdu->cid		= be16_to_cpu(pdu->cid);
-	pdu->tsih		= be16_to_cpu(pdu->tsih);
-	pdu->itt		= be32_to_cpu(pdu->itt);
-	pdu->cmdsn		= be32_to_cpu(pdu->cmdsn);
-	pdu->exp_statsn		= be32_to_cpu(pdu->exp_statsn);
+
 	/*
 	 * Used by iscsit_tx_login_rsp() for Login Resonses PDUs
 	 * when Status-Class != 0.
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 2dba448cac1..e9053a04f24 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -44,7 +44,7 @@ void convert_null_to_semi(char *buf, int len)
 			buf[i] = ';';
 }
 
-int strlen_semi(char *buf)
+static int strlen_semi(char *buf)
 {
 	int i = 0;
 
@@ -339,14 +339,14 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log
 	hton24(login_rsp->dlength, login->rsp_length);
 	memcpy(login_rsp->isid, login->isid, 6);
 	login_rsp->tsih			= cpu_to_be16(login->tsih);
-	login_rsp->itt			= cpu_to_be32(login->init_task_tag);
+	login_rsp->itt			= login->init_task_tag;
 	login_rsp->statsn		= cpu_to_be32(conn->stat_sn++);
 	login_rsp->exp_cmdsn		= cpu_to_be32(conn->sess->exp_cmd_sn);
 	login_rsp->max_cmdsn		= cpu_to_be32(conn->sess->max_cmd_sn);
 
 	pr_debug("Sending Login Response, Flags: 0x%02x, ITT: 0x%08x,"
 		" ExpCmdSN; 0x%08x, MaxCmdSN: 0x%08x, StatSN: 0x%08x, Length:"
-		" %u\n", login_rsp->flags, ntohl(login_rsp->itt),
+		" %u\n", login_rsp->flags, (__force u32)login_rsp->itt,
 		ntohl(login_rsp->exp_cmdsn), ntohl(login_rsp->max_cmdsn),
 		ntohl(login_rsp->statsn), login->rsp_length);
 
@@ -360,12 +360,9 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log
 		return -1;
 
 	login->rsp_length		= 0;
-	login_rsp->tsih			= be16_to_cpu(login_rsp->tsih);
-	login_rsp->itt			= be32_to_cpu(login_rsp->itt);
-	login_rsp->statsn		= be32_to_cpu(login_rsp->statsn);
 	mutex_lock(&sess->cmdsn_mutex);
-	login_rsp->exp_cmdsn		= be32_to_cpu(sess->exp_cmd_sn);
-	login_rsp->max_cmdsn		= be32_to_cpu(sess->max_cmd_sn);
+	login_rsp->exp_cmdsn		= cpu_to_be32(sess->exp_cmd_sn);
+	login_rsp->max_cmdsn		= cpu_to_be32(sess->max_cmd_sn);
 	mutex_unlock(&sess->cmdsn_mutex);
 
 	return 0;
@@ -381,11 +378,6 @@ static int iscsi_target_do_rx_login_io(struct iscsi_conn *conn, struct iscsi_log
 
 	login_req = (struct iscsi_login_req *) login->req;
 	payload_length			= ntoh24(login_req->dlength);
-	login_req->tsih			= be16_to_cpu(login_req->tsih);
-	login_req->itt			= be32_to_cpu(login_req->itt);
-	login_req->cid			= be16_to_cpu(login_req->cid);
-	login_req->cmdsn		= be32_to_cpu(login_req->cmdsn);
-	login_req->exp_statsn		= be32_to_cpu(login_req->exp_statsn);
 
 	pr_debug("Got Login Command, Flags 0x%02x, ITT: 0x%08x,"
 		" CmdSN: 0x%08x, ExpStatSN: 0x%08x, CID: %hu, Length: %u\n",
@@ -550,7 +542,7 @@ static int iscsi_target_handle_csg_zero(
 			SENDER_INITIATOR|SENDER_RECEIVER,
 			login->req_buf,
 			payload_length,
-			conn->param_list);
+			conn);
 	if (ret < 0)
 		return -1;
 
@@ -627,7 +619,7 @@ static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_log
 			SENDER_INITIATOR|SENDER_RECEIVER,
 			login->req_buf,
 			payload_length,
-			conn->param_list);
+			conn);
 	if (ret < 0)
 		return -1;
 
@@ -762,11 +754,11 @@ static int iscsi_target_locate_portal(
 	login->version_min	= login_req->min_version;
 	login->version_max	= login_req->max_version;
 	memcpy(login->isid, login_req->isid, 6);
-	login->cmd_sn		= login_req->cmdsn;
+	login->cmd_sn		= be32_to_cpu(login_req->cmdsn);
 	login->init_task_tag	= login_req->itt;
-	login->initial_exp_statsn = login_req->exp_statsn;
-	login->cid		= login_req->cid;
-	login->tsih		= login_req->tsih;
+	login->initial_exp_statsn = be32_to_cpu(login_req->exp_statsn);
+	login->cid		= be16_to_cpu(login_req->cid);
+	login->tsih		= be16_to_cpu(login_req->tsih);
 
 	if (iscsi_target_get_initial_payload(conn, login) < 0)
 		return -1;
@@ -1000,7 +992,6 @@ struct iscsi_login *iscsi_target_init_negotiation(
 	 *	Locates Target Portal from NP -> Target IQN
 	 */
 	if (iscsi_target_locate_portal(np, conn, login) < 0) {
-		pr_err("iSCSI Login negotiation failed.\n");
 		goto out;
 	}
 
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index 240f7aa76ed..90b740048f2 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -334,6 +334,13 @@ int iscsi_create_default_params(struct iscsi_param_list **param_list_ptr)
 	if (!param)
 		goto out;
 
+	param = iscsi_set_default_param(pl, MAXXMITDATASEGMENTLENGTH,
+			INITIAL_MAXXMITDATASEGMENTLENGTH,
+			PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH,
+			TYPERANGE_512_TO_16777215, USE_ALL);
+	if (!param)
+		goto out;
+
 	param = iscsi_set_default_param(pl, MAXRECVDATASEGMENTLENGTH,
 			INITIAL_MAXRECVDATASEGMENTLENGTH,
 			PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH,
@@ -467,6 +474,8 @@ int iscsi_set_keys_to_negotiate(
 			SET_PSTATE_NEGOTIATE(param);
 		} else if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) {
 			SET_PSTATE_NEGOTIATE(param);
+		} else if (!strcmp(param->name, MAXXMITDATASEGMENTLENGTH)) {
+			continue;
 		} else if (!strcmp(param->name, MAXBURSTLENGTH)) {
 			SET_PSTATE_NEGOTIATE(param);
 		} else if (!strcmp(param->name, FIRSTBURSTLENGTH)) {
@@ -1056,7 +1065,8 @@ out:
 	return proposer_values;
 }
 
-static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value)
+static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value,
+				struct iscsi_conn *conn)
 {
 	u8 acceptor_boolean_value = 0, proposer_boolean_value = 0;
 	char *negoitated_value = NULL;
@@ -1131,8 +1141,35 @@ static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value)
 				return -1;
 		}
 
-		if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH))
-			SET_PSTATE_REPLY_OPTIONAL(param);
+		if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) {
+			struct iscsi_param *param_mxdsl;
+			unsigned long long tmp;
+			int rc;
+
+			rc = strict_strtoull(param->value, 0, &tmp);
+			if (rc < 0)
+				return -1;
+
+			conn->conn_ops->MaxRecvDataSegmentLength = tmp;
+			pr_debug("Saving op->MaxRecvDataSegmentLength from"
+				" original initiator received value: %u\n",
+				conn->conn_ops->MaxRecvDataSegmentLength);
+
+			param_mxdsl = iscsi_find_param_from_key(
+						MAXXMITDATASEGMENTLENGTH,
+						conn->param_list);
+			if (!param_mxdsl)
+				return -1;
+
+			rc = iscsi_update_param_value(param,
+						param_mxdsl->value);
+			if (rc < 0)
+				return -1;
+
+			pr_debug("Updated %s to target MXDSL value: %s\n",
+					param->name, param->value);
+		}
+
 	} else if (IS_TYPE_NUMBER_RANGE(param)) {
 		negoitated_value = iscsi_get_value_from_number_range(
 					param, value);
@@ -1526,8 +1563,9 @@ int iscsi_decode_text_input(
 	u8 sender,
 	char *textbuf,
 	u32 length,
-	struct iscsi_param_list *param_list)
+	struct iscsi_conn *conn)
 {
+	struct iscsi_param_list *param_list = conn->param_list;
 	char *tmpbuf, *start = NULL, *end = NULL;
 
 	tmpbuf = kzalloc(length + 1, GFP_KERNEL);
@@ -1585,7 +1623,7 @@ int iscsi_decode_text_input(
 			}
 			SET_PSTATE_RESPONSE_GOT(param);
 		} else {
-			if (iscsi_check_acceptor_state(param, value) < 0) {
+			if (iscsi_check_acceptor_state(param, value, conn) < 0) {
 				kfree(tmpbuf);
 				return -1;
 			}
@@ -1720,6 +1758,18 @@ void iscsi_set_connection_parameters(
 	pr_debug("---------------------------------------------------"
 			"---------------\n");
 	list_for_each_entry(param, &param_list->param_list, p_list) {
+		/*
+		 * Special case to set MAXXMITDATASEGMENTLENGTH from the
+		 * target requested MaxRecvDataSegmentLength, even though
+		 * this key is not sent over the wire.
+		 */
+		if (!strcmp(param->name, MAXXMITDATASEGMENTLENGTH)) {
+			ops->MaxXmitDataSegmentLength =
+				simple_strtoul(param->value, &tmpptr, 0);
+			pr_debug("MaxXmitDataSegmentLength:     %s\n",
+				param->value);
+		}
+
 		if (!IS_PSTATE_ACCEPTOR(param) && !IS_PSTATE_PROPOSER(param))
 			continue;
 		if (!strcmp(param->name, AUTHMETHOD)) {
@@ -1734,10 +1784,13 @@ void iscsi_set_connection_parameters(
 			pr_debug("DataDigest:                   %s\n",
 				param->value);
 		} else if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) {
-			ops->MaxRecvDataSegmentLength =
-				simple_strtoul(param->value, &tmpptr, 0);
-			pr_debug("MaxRecvDataSegmentLength:     %s\n",
-				param->value);
+			/*
+			 * At this point iscsi_check_acceptor_state() will have
+			 * set ops->MaxRecvDataSegmentLength from the original
+			 * initiator provided value.
+			 */
+			pr_debug("MaxRecvDataSegmentLength:     %u\n",
+				ops->MaxRecvDataSegmentLength);
 		} else if (!strcmp(param->name, OFMARKER)) {
 			ops->OFMarker = !strcmp(param->value, YES);
 			pr_debug("OFMarker:                     %s\n",
diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h
index 6a37fd6f128..1e1b7504a76 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.h
+++ b/drivers/target/iscsi/iscsi_target_parameters.h
@@ -36,7 +36,7 @@ extern void iscsi_release_param_list(struct iscsi_param_list *);
 extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *);
 extern int iscsi_extract_key_value(char *, char **, char **);
 extern int iscsi_update_param_value(struct iscsi_param *, char *);
-extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_param_list *);
+extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *);
 extern int iscsi_encode_text_output(u8, u8, char *, u32 *,
 			struct iscsi_param_list *);
 extern int iscsi_check_negotiated_keys(struct iscsi_param_list *);
@@ -70,6 +70,7 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
 #define INITIALR2T			"InitialR2T"
 #define IMMEDIATEDATA			"ImmediateData"
 #define MAXRECVDATASEGMENTLENGTH	"MaxRecvDataSegmentLength"
+#define MAXXMITDATASEGMENTLENGTH	"MaxXmitDataSegmentLength"
 #define MAXBURSTLENGTH			"MaxBurstLength"
 #define FIRSTBURSTLENGTH		"FirstBurstLength"
 #define DEFAULTTIME2WAIT		"DefaultTime2Wait"
@@ -113,6 +114,10 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
 #define INITIAL_INITIALR2T			YES
 #define INITIAL_IMMEDIATEDATA			YES
 #define INITIAL_MAXRECVDATASEGMENTLENGTH	"8192"
+/*
+ * Match outgoing MXDSL default to incoming Open-iSCSI default
+ */
+#define INITIAL_MAXXMITDATASEGMENTLENGTH	"262144"
 #define INITIAL_MAXBURSTLENGTH			"262144"
 #define INITIAL_FIRSTBURSTLENGTH		"65536"
 #define INITIAL_DEFAULTTIME2WAIT		"2"
diff --git a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
index 85a306e067b..edb592a368e 100644
--- a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
+++ b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
@@ -219,8 +219,14 @@ static void iscsit_determine_counts_for_list(
 	int check_immediate = 0;
 	u32 burstlength = 0, offset = 0;
 	u32 unsolicited_data_length = 0;
+	u32 mdsl;
 	struct iscsi_conn *conn = cmd->conn;
 
+	if (cmd->se_cmd.data_direction == DMA_TO_DEVICE)
+		mdsl = cmd->conn->conn_ops->MaxXmitDataSegmentLength;
+	else
+		mdsl = cmd->conn->conn_ops->MaxRecvDataSegmentLength;
+
 	if ((bl->type == PDULIST_IMMEDIATE) ||
 	    (bl->type == PDULIST_IMMEDIATE_AND_UNSOLICITED))
 		check_immediate = 1;
@@ -243,14 +249,13 @@ static void iscsit_determine_counts_for_list(
 			continue;
 		}
 		if (unsolicited_data_length > 0) {
-			if ((offset + conn->conn_ops->MaxRecvDataSegmentLength)
-					>= cmd->se_cmd.data_length) {
+			if ((offset + mdsl) >= cmd->se_cmd.data_length) {
 				unsolicited_data_length -=
 					(cmd->se_cmd.data_length - offset);
 				offset += (cmd->se_cmd.data_length - offset);
 				continue;
 			}
-			if ((offset + conn->conn_ops->MaxRecvDataSegmentLength)
+			if ((offset + mdsl)
 					>= conn->sess->sess_ops->FirstBurstLength) {
 				unsolicited_data_length -=
 					(conn->sess->sess_ops->FirstBurstLength -
@@ -262,17 +267,15 @@ static void iscsit_determine_counts_for_list(
 				continue;
 			}
 
-			offset += conn->conn_ops->MaxRecvDataSegmentLength;
-			unsolicited_data_length -=
-				conn->conn_ops->MaxRecvDataSegmentLength;
+			offset += mdsl;
+			unsolicited_data_length -= mdsl;
 			continue;
 		}
-		if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >=
-		     cmd->se_cmd.data_length) {
+		if ((offset + mdsl) >= cmd->se_cmd.data_length) {
 			offset += (cmd->se_cmd.data_length - offset);
 			continue;
 		}
-		if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >=
+		if ((burstlength + mdsl) >=
 		     conn->sess->sess_ops->MaxBurstLength) {
 			offset += (conn->sess->sess_ops->MaxBurstLength -
 					burstlength);
@@ -281,8 +284,8 @@ static void iscsit_determine_counts_for_list(
 			continue;
 		}
 
-		burstlength += conn->conn_ops->MaxRecvDataSegmentLength;
-		offset += conn->conn_ops->MaxRecvDataSegmentLength;
+		burstlength += mdsl;
+		offset += mdsl;
 	}
 }
 
@@ -296,12 +299,17 @@ static int iscsit_do_build_pdu_and_seq_lists(
 	struct iscsi_build_list *bl)
 {
 	int check_immediate = 0, datapduinorder, datasequenceinorder;
-	u32 burstlength = 0, offset = 0, i = 0;
+	u32 burstlength = 0, offset = 0, i = 0, mdsl;
 	u32 pdu_count = 0, seq_no = 0, unsolicited_data_length = 0;
 	struct iscsi_conn *conn = cmd->conn;
 	struct iscsi_pdu *pdu = cmd->pdu_list;
 	struct iscsi_seq *seq = cmd->seq_list;
 
+	if (cmd->se_cmd.data_direction == DMA_TO_DEVICE)
+		mdsl = cmd->conn->conn_ops->MaxXmitDataSegmentLength;
+	else
+		mdsl = cmd->conn->conn_ops->MaxRecvDataSegmentLength;
+
 	datapduinorder = conn->sess->sess_ops->DataPDUInOrder;
 	datasequenceinorder = conn->sess->sess_ops->DataSequenceInOrder;
 
@@ -348,9 +356,7 @@ static int iscsit_do_build_pdu_and_seq_lists(
 			continue;
 		}
 		if (unsolicited_data_length > 0) {
-			if ((offset +
-			     conn->conn_ops->MaxRecvDataSegmentLength) >=
-			     cmd->se_cmd.data_length) {
+			if ((offset + mdsl) >= cmd->se_cmd.data_length) {
 				if (!datapduinorder) {
 					pdu[i].type = PDUTYPE_UNSOLICITED;
 					pdu[i].length =
@@ -367,8 +373,7 @@ static int iscsit_do_build_pdu_and_seq_lists(
 				offset += (cmd->se_cmd.data_length - offset);
 				continue;
 			}
-			if ((offset +
-			     conn->conn_ops->MaxRecvDataSegmentLength) >=
+			if ((offset + mdsl) >=
 					conn->sess->sess_ops->FirstBurstLength) {
 				if (!datapduinorder) {
 					pdu[i].type = PDUTYPE_UNSOLICITED;
@@ -396,17 +401,14 @@ static int iscsit_do_build_pdu_and_seq_lists(
 
 			if (!datapduinorder) {
 				pdu[i].type = PDUTYPE_UNSOLICITED;
-				pdu[i++].length =
-				     conn->conn_ops->MaxRecvDataSegmentLength;
+				pdu[i++].length = mdsl;
 			}
-			burstlength += conn->conn_ops->MaxRecvDataSegmentLength;
-			offset += conn->conn_ops->MaxRecvDataSegmentLength;
-			unsolicited_data_length -=
-				conn->conn_ops->MaxRecvDataSegmentLength;
+			burstlength += mdsl;
+			offset += mdsl;
+			unsolicited_data_length -= mdsl;
 			continue;
 		}
-		if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >=
-		     cmd->se_cmd.data_length) {
+		if ((offset + mdsl) >= cmd->se_cmd.data_length) {
 			if (!datapduinorder) {
 				pdu[i].type = PDUTYPE_NORMAL;
 				pdu[i].length = (cmd->se_cmd.data_length - offset);
@@ -420,7 +422,7 @@ static int iscsit_do_build_pdu_and_seq_lists(
 			offset += (cmd->se_cmd.data_length - offset);
 			continue;
 		}
-		if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >=
+		if ((burstlength + mdsl) >=
 		     conn->sess->sess_ops->MaxBurstLength) {
 			if (!datapduinorder) {
 				pdu[i].type = PDUTYPE_NORMAL;
@@ -445,11 +447,10 @@ static int iscsit_do_build_pdu_and_seq_lists(
 
 		if (!datapduinorder) {
 			pdu[i].type = PDUTYPE_NORMAL;
-			pdu[i++].length =
-				conn->conn_ops->MaxRecvDataSegmentLength;
+			pdu[i++].length = mdsl;
 		}
-		burstlength += conn->conn_ops->MaxRecvDataSegmentLength;
-		offset += conn->conn_ops->MaxRecvDataSegmentLength;
+		burstlength += mdsl;
+		offset += mdsl;
 	}
 
 	if (!datasequenceinorder) {
diff --git a/drivers/target/iscsi/iscsi_target_tmr.c b/drivers/target/iscsi/iscsi_target_tmr.c
index f62fe123d90..4a99820d063 100644
--- a/drivers/target/iscsi/iscsi_target_tmr.c
+++ b/drivers/target/iscsi/iscsi_target_tmr.c
@@ -50,21 +50,20 @@ u8 iscsit_tmr_abort_task(
 	if (!ref_cmd) {
 		pr_err("Unable to locate RefTaskTag: 0x%08x on CID:"
 			" %hu.\n", hdr->rtt, conn->cid);
-		return ((hdr->refcmdsn >= conn->sess->exp_cmd_sn) &&
-			(hdr->refcmdsn <= conn->sess->max_cmd_sn)) ?
+		return (be32_to_cpu(hdr->refcmdsn) >= conn->sess->exp_cmd_sn &&
+			be32_to_cpu(hdr->refcmdsn) <= conn->sess->max_cmd_sn) ?
 			ISCSI_TMF_RSP_COMPLETE : ISCSI_TMF_RSP_NO_TASK;
 	}
-	if (ref_cmd->cmd_sn != hdr->refcmdsn) {
+	if (ref_cmd->cmd_sn != be32_to_cpu(hdr->refcmdsn)) {
 		pr_err("RefCmdSN 0x%08x does not equal"
 			" task's CmdSN 0x%08x. Rejecting ABORT_TASK.\n",
 			hdr->refcmdsn, ref_cmd->cmd_sn);
 		return ISCSI_TMF_RSP_REJECTED;
 	}
 
-	se_tmr->ref_task_tag		= hdr->rtt;
+	se_tmr->ref_task_tag		= (__force u32)hdr->rtt;
 	tmr_req->ref_cmd		= ref_cmd;
-	tmr_req->ref_cmd_sn		= hdr->refcmdsn;
-	tmr_req->exp_data_sn		= hdr->exp_datasn;
+	tmr_req->exp_data_sn		= be32_to_cpu(hdr->exp_datasn);
 
 	return ISCSI_TMF_RSP_COMPLETE;
 }
@@ -146,7 +145,7 @@ u8 iscsit_tmr_task_reassign(
 	}
 	/*
 	 * Temporary check to prevent connection recovery for
-	 * connections with a differing MaxRecvDataSegmentLength.
+	 * connections with a differing Max*DataSegmentLength.
 	 */
 	if (cr->maxrecvdatasegmentlength !=
 	    conn->conn_ops->MaxRecvDataSegmentLength) {
@@ -155,6 +154,13 @@ u8 iscsit_tmr_task_reassign(
 			" TMR TASK_REASSIGN.\n");
 		return ISCSI_TMF_RSP_REJECTED;
 	}
+	if (cr->maxxmitdatasegmentlength !=
+	    conn->conn_ops->MaxXmitDataSegmentLength) {
+		pr_err("Unable to perform connection recovery for"
+			" differing MaxXmitDataSegmentLength, rejecting"
+			" TMR TASK_REASSIGN.\n");
+		return ISCSI_TMF_RSP_REJECTED;
+	}
 
 	ref_lun = scsilun_to_int(&hdr->lun);
 	if (ref_lun != ref_cmd->se_cmd.orig_fe_lun) {
@@ -164,10 +170,9 @@ u8 iscsit_tmr_task_reassign(
 		return ISCSI_TMF_RSP_REJECTED;
 	}
 
-	se_tmr->ref_task_tag		= hdr->rtt;
+	se_tmr->ref_task_tag		= (__force u32)hdr->rtt;
 	tmr_req->ref_cmd		= ref_cmd;
-	tmr_req->ref_cmd_sn		= hdr->refcmdsn;
-	tmr_req->exp_data_sn		= hdr->exp_datasn;
+	tmr_req->exp_data_sn		= be32_to_cpu(hdr->exp_datasn);
 	tmr_req->conn_recovery		= cr;
 	tmr_req->task_reassign		= 1;
 	/*
@@ -455,7 +460,7 @@ static int iscsit_task_reassign_complete(
  *	Right now the only one that its really needed for is
  *	connection recovery releated TASK_REASSIGN.
  */
-extern int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
+int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
 {
 	struct iscsi_tmr_req *tmr_req = cmd->tmr_req;
 	struct se_tmr_req *se_tmr = cmd->se_cmd.se_tmr_req;
@@ -470,7 +475,7 @@ extern int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *con
 /*
  *	Nothing to do here, but leave it for good measure. :-)
  */
-int iscsit_task_reassign_prepare_read(
+static int iscsit_task_reassign_prepare_read(
 	struct iscsi_tmr_req *tmr_req,
 	struct iscsi_conn *conn)
 {
@@ -545,7 +550,7 @@ static void iscsit_task_reassign_prepare_unsolicited_dataout(
 	}
 }
 
-int iscsit_task_reassign_prepare_write(
+static int iscsit_task_reassign_prepare_write(
 	struct iscsi_tmr_req *tmr_req,
 	struct iscsi_conn *conn)
 {
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index a38a3f8ab0d..de9ea32b610 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -677,6 +677,12 @@ int iscsit_ta_generate_node_acls(
 	pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
 		tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
 
+	if (flag == 1 && a->cache_dynamic_acls == 0) {
+		pr_debug("Explicitly setting cache_dynamic_acls=1 when "
+			"generate_node_acls=1\n");
+		a->cache_dynamic_acls = 1;
+	}
+
 	return 0;
 }
 
@@ -716,6 +722,12 @@ int iscsit_ta_cache_dynamic_acls(
 		return -EINVAL;
 	}
 
+	if (a->generate_node_acls == 1 && flag == 0) {
+		pr_debug("Skipping cache_dynamic_acls=0 when"
+			" generate_node_acls=1\n");
+		return 0;
+	}
+
 	a->cache_dynamic_acls = flag;
 	pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
 		" ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
diff --git a/drivers/target/iscsi/iscsi_target_tq.c b/drivers/target/iscsi/iscsi_target_tq.c
index 977e1cf90e8..9d881a000e4 100644
--- a/drivers/target/iscsi/iscsi_target_tq.c
+++ b/drivers/target/iscsi/iscsi_target_tq.c
@@ -40,7 +40,7 @@ static void iscsi_add_ts_to_active_list(struct iscsi_thread_set *ts)
 	spin_unlock(&active_ts_lock);
 }
 
-extern void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *ts)
+static void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *ts)
 {
 	spin_lock(&inactive_ts_lock);
 	list_add_tail(&ts->ts_list, &inactive_ts_list);
@@ -76,7 +76,7 @@ static struct iscsi_thread_set *iscsi_get_ts_from_inactive_list(void)
 	return ts;
 }
 
-extern int iscsi_allocate_thread_sets(u32 thread_pair_count)
+int iscsi_allocate_thread_sets(u32 thread_pair_count)
 {
 	int allocated_thread_pair_count = 0, i, thread_id;
 	struct iscsi_thread_set *ts = NULL;
@@ -140,7 +140,7 @@ extern int iscsi_allocate_thread_sets(u32 thread_pair_count)
 	return allocated_thread_pair_count;
 }
 
-extern void iscsi_deallocate_thread_sets(void)
+void iscsi_deallocate_thread_sets(void)
 {
 	u32 released_count = 0;
 	struct iscsi_thread_set *ts = NULL;
diff --git a/drivers/target/iscsi/iscsi_target_tq.h b/drivers/target/iscsi/iscsi_target_tq.h
index 26e6a95ec20..547d1183128 100644
--- a/drivers/target/iscsi/iscsi_target_tq.h
+++ b/drivers/target/iscsi/iscsi_target_tq.h
@@ -5,7 +5,6 @@
  * Defines for thread sets.
  */
 extern int iscsi_thread_set_force_reinstatement(struct iscsi_conn *);
-extern void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *);
 extern int iscsi_allocate_thread_sets(u32);
 extern void iscsi_deallocate_thread_sets(void);
 extern void iscsi_activate_thread_set(struct iscsi_conn *, struct iscsi_thread_set *);
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index b42cdeb153d..1a91195ab61 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -274,14 +274,14 @@ static inline int iscsit_check_received_cmdsn(struct iscsi_session *sess, u32 cm
 int iscsit_sequence_cmd(
 	struct iscsi_conn *conn,
 	struct iscsi_cmd *cmd,
-	u32 cmdsn)
+	__be32 cmdsn)
 {
 	int ret;
 	int cmdsn_ret;
 
 	mutex_lock(&conn->sess->cmdsn_mutex);
 
-	cmdsn_ret = iscsit_check_received_cmdsn(conn->sess, cmdsn);
+	cmdsn_ret = iscsit_check_received_cmdsn(conn->sess, be32_to_cpu(cmdsn));
 	switch (cmdsn_ret) {
 	case CMDSN_NORMAL_OPERATION:
 		ret = iscsit_execute_cmd(cmd, 0);
@@ -289,7 +289,7 @@ int iscsit_sequence_cmd(
 			iscsit_execute_ooo_cmdsns(conn->sess);
 		break;
 	case CMDSN_HIGHER_THAN_EXP:
-		ret = iscsit_handle_ooo_cmdsn(conn->sess, cmd, cmdsn);
+		ret = iscsit_handle_ooo_cmdsn(conn->sess, cmd, be32_to_cpu(cmdsn));
 		break;
 	case CMDSN_LOWER_THAN_EXP:
 		cmd->i_state = ISTATE_REMOVE;
@@ -351,7 +351,7 @@ int iscsit_check_unsolicited_dataout(struct iscsi_cmd *cmd, unsigned char *buf)
 
 struct iscsi_cmd *iscsit_find_cmd_from_itt(
 	struct iscsi_conn *conn,
-	u32 init_task_tag)
+	itt_t init_task_tag)
 {
 	struct iscsi_cmd *cmd;
 
@@ -371,7 +371,7 @@ struct iscsi_cmd *iscsit_find_cmd_from_itt(
 
 struct iscsi_cmd *iscsit_find_cmd_from_itt_or_dump(
 	struct iscsi_conn *conn,
-	u32 init_task_tag,
+	itt_t init_task_tag,
 	u32 length)
 {
 	struct iscsi_cmd *cmd;
@@ -417,7 +417,7 @@ int iscsit_find_cmd_for_recovery(
 	struct iscsi_session *sess,
 	struct iscsi_cmd **cmd_ptr,
 	struct iscsi_conn_recovery **cr_ptr,
-	u32 init_task_tag)
+	itt_t init_task_tag)
 {
 	struct iscsi_cmd *cmd = NULL;
 	struct iscsi_conn_recovery *cr;
@@ -488,7 +488,7 @@ void iscsit_add_cmd_to_immediate_queue(
 	atomic_set(&conn->check_immediate_queue, 1);
 	spin_unlock_bh(&conn->immed_queue_lock);
 
-	wake_up_process(conn->thread_set->tx_thread);
+	wake_up(&conn->queues_wq);
 }
 
 struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *conn)
@@ -562,7 +562,7 @@ void iscsit_add_cmd_to_response_queue(
 	atomic_inc(&cmd->response_queue_count);
 	spin_unlock_bh(&conn->response_queue_lock);
 
-	wake_up_process(conn->thread_set->tx_thread);
+	wake_up(&conn->queues_wq);
 }
 
 struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *conn)
@@ -616,6 +616,24 @@ static void iscsit_remove_cmd_from_response_queue(
 	}
 }
 
+bool iscsit_conn_all_queues_empty(struct iscsi_conn *conn)
+{
+	bool empty;
+
+	spin_lock_bh(&conn->immed_queue_lock);
+	empty = list_empty(&conn->immed_queue_list);
+	spin_unlock_bh(&conn->immed_queue_lock);
+
+	if (!empty)
+		return empty;
+
+	spin_lock_bh(&conn->response_queue_lock);
+	empty = list_empty(&conn->response_queue_list);
+	spin_unlock_bh(&conn->response_queue_lock);
+
+	return empty;
+}
+
 void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn)
 {
 	struct iscsi_queue_req *qr, *qr_tmp;
@@ -855,7 +873,7 @@ static int iscsit_add_nopin(struct iscsi_conn *conn, int want_response)
 	cmd->iscsi_opcode = ISCSI_OP_NOOP_IN;
 	state = (want_response) ? ISTATE_SEND_NOPIN_WANT_RESPONSE :
 				ISTATE_SEND_NOPIN_NO_RESPONSE;
-	cmd->init_task_tag = 0xFFFFFFFF;
+	cmd->init_task_tag = RESERVED_ITT;
 	spin_lock_bh(&conn->sess->ttt_lock);
 	cmd->targ_xfer_tag = (want_response) ? conn->sess->targ_xfer_tag++ :
 			0xFFFFFFFF;
@@ -1222,7 +1240,7 @@ int iscsit_tx_login_rsp(struct iscsi_conn *conn, u8 status_class, u8 status_deta
 	hdr->opcode		= ISCSI_OP_LOGIN_RSP;
 	hdr->status_class	= status_class;
 	hdr->status_detail	= status_detail;
-	hdr->itt		= cpu_to_be32(conn->login_itt);
+	hdr->itt		= conn->login_itt;
 
 	iov.iov_base		= &iscsi_hdr;
 	iov.iov_len		= ISCSI_HDR_LEN;
diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h
index e1c729b8a1c..894d0f83792 100644
--- a/drivers/target/iscsi/iscsi_target_util.h
+++ b/drivers/target/iscsi/iscsi_target_util.h
@@ -12,19 +12,20 @@ extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, gfp_t);
 extern struct iscsi_seq *iscsit_get_seq_holder_for_datain(struct iscsi_cmd *, u32);
 extern struct iscsi_seq *iscsit_get_seq_holder_for_r2t(struct iscsi_cmd *);
 extern struct iscsi_r2t *iscsit_get_holder_for_r2tsn(struct iscsi_cmd *, u32);
-int iscsit_sequence_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, u32 cmdsn);
+int iscsit_sequence_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, __be32 cmdsn);
 extern int iscsit_check_unsolicited_dataout(struct iscsi_cmd *, unsigned char *);
-extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, u32);
+extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t);
 extern struct iscsi_cmd *iscsit_find_cmd_from_itt_or_dump(struct iscsi_conn *,
-			u32, u32);
+			itt_t, u32);
 extern struct iscsi_cmd *iscsit_find_cmd_from_ttt(struct iscsi_conn *, u32);
 extern int iscsit_find_cmd_for_recovery(struct iscsi_session *, struct iscsi_cmd **,
-			struct iscsi_conn_recovery **, u32);
+			struct iscsi_conn_recovery **, itt_t);
 extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *, struct iscsi_conn *, u8);
 extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *);
 extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8);
 extern struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *);
 extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_conn *);
+extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *);
 extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *);
 extern void iscsit_release_cmd(struct iscsi_cmd *);
 extern void iscsit_free_cmd(struct iscsi_cmd *);
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 5491c632a15..2d444b1ccd3 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -166,7 +166,7 @@ static void tcm_loop_submission_work(struct work_struct *work)
 	struct tcm_loop_tpg *tl_tpg;
 	struct scatterlist *sgl_bidi = NULL;
 	u32 sgl_bidi_count = 0;
-	int ret;
+	int rc;
 
 	tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host);
 	tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id];
@@ -187,12 +187,6 @@ static void tcm_loop_submission_work(struct work_struct *work)
 		set_host_byte(sc, DID_ERROR);
 		goto out_done;
 	}
-
-	transport_init_se_cmd(se_cmd, tl_tpg->tl_se_tpg.se_tpg_tfo,
-			tl_nexus->se_sess,
-			scsi_bufflen(sc), sc->sc_data_direction,
-			tcm_loop_sam_attr(sc), &tl_cmd->tl_sense_buf[0]);
-
 	if (scsi_bidi_cmnd(sc)) {
 		struct scsi_data_buffer *sdb = scsi_in(sc);
 
@@ -201,56 +195,16 @@ static void tcm_loop_submission_work(struct work_struct *work)
 		se_cmd->se_cmd_flags |= SCF_BIDI;
 
 	}
-
-	if (transport_lookup_cmd_lun(se_cmd, tl_cmd->sc->device->lun) < 0) {
-		kmem_cache_free(tcm_loop_cmd_cache, tl_cmd);
+	rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd,
+			&tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun,
+			scsi_bufflen(sc), tcm_loop_sam_attr(sc),
+			sc->sc_data_direction, 0,
+			scsi_sglist(sc), scsi_sg_count(sc),
+			sgl_bidi, sgl_bidi_count);
+	if (rc < 0) {
 		set_host_byte(sc, DID_NO_CONNECT);
 		goto out_done;
 	}
-
-	/*
-	 * Because some userspace code via scsi-generic do not memset their
-	 * associated read buffers, go ahead and do that here for type
-	 * non-data CDBs.  Also note that this is currently guaranteed to be a
-	 * single SGL for this case by target core in
-	 * target_setup_cmd_from_cdb() -> transport_generic_cmd_sequencer().
-	 */
-	if (!(se_cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) &&
-	    se_cmd->data_direction == DMA_FROM_DEVICE) {
-		struct scatterlist *sg = scsi_sglist(sc);
-		unsigned char *buf = kmap(sg_page(sg)) + sg->offset;
-
-		if (buf != NULL) {
-			memset(buf, 0, sg->length);
-			kunmap(sg_page(sg));
-		}
-	}
-
-	ret = target_setup_cmd_from_cdb(se_cmd, sc->cmnd);
-	if (ret == -ENOMEM) {
-		transport_send_check_condition_and_sense(se_cmd,
-				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
-		transport_generic_free_cmd(se_cmd, 0);
-		return;
-	} else if (ret < 0) {
-		if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
-			tcm_loop_queue_status(se_cmd);
-		else
-			transport_send_check_condition_and_sense(se_cmd,
-					se_cmd->scsi_sense_reason, 0);
-		transport_generic_free_cmd(se_cmd, 0);
-		return;
-	}
-
-	ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
-			scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
-	if (ret) {
-		transport_send_check_condition_and_sense(se_cmd,
-					se_cmd->scsi_sense_reason, 0);
-		transport_generic_free_cmd(se_cmd, 0);
-		return;
-	}
-	transport_handle_cdb_direct(se_cmd);
 	return;
 
 out_done:
@@ -846,16 +800,6 @@ static int tcm_loop_queue_tm_rsp(struct se_cmd *se_cmd)
 	return 0;
 }
 
-static u16 tcm_loop_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
-	return 0;
-}
-
-static u16 tcm_loop_get_fabric_sense_len(void)
-{
-	return 0;
-}
-
 static char *tcm_loop_dump_proto_id(struct tcm_loop_hba *tl_hba)
 {
 	switch (tl_hba->tl_proto_id) {
@@ -1373,8 +1317,6 @@ static int tcm_loop_register_configfs(void)
 	fabric->tf_ops.queue_data_in = &tcm_loop_queue_data_in;
 	fabric->tf_ops.queue_status = &tcm_loop_queue_status;
 	fabric->tf_ops.queue_tm_rsp = &tcm_loop_queue_tm_rsp;
-	fabric->tf_ops.set_fabric_sense_len = &tcm_loop_set_fabric_sense_len;
-	fabric->tf_ops.get_fabric_sense_len = &tcm_loop_get_fabric_sense_len;
 
 	/*
 	 * Setup function pointers for generic logic in target_core_fabric_configfs.c
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index 39ddba584b3..0d6d7c1f025 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -660,8 +660,7 @@ static void session_reconnect_expired(struct sbp_session *sess)
 	spin_lock_bh(&sess->lock);
 	list_for_each_entry_safe(login, temp, &sess->login_list, link) {
 		login->sess = NULL;
-		list_del(&login->link);
-		list_add_tail(&login->link, &login_list);
+		list_move_tail(&login->link, &login_list);
 	}
 	spin_unlock_bh(&sess->lock);
 
@@ -1847,16 +1846,6 @@ static int sbp_queue_tm_rsp(struct se_cmd *se_cmd)
 	return 0;
 }
 
-static u16 sbp_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
-	return 0;
-}
-
-static u16 sbp_get_fabric_sense_len(void)
-{
-	return 0;
-}
-
 static int sbp_check_stop_free(struct se_cmd *se_cmd)
 {
 	struct sbp_target_request *req = container_of(se_cmd,
@@ -2068,7 +2057,7 @@ static int sbp_update_unit_directory(struct sbp_tport *tport)
 	return ret;
 }
 
-static ssize_t sbp_parse_wwn(const char *name, u64 *wwn, int strict)
+static ssize_t sbp_parse_wwn(const char *name, u64 *wwn)
 {
 	const char *cp;
 	char c, nibble;
@@ -2088,7 +2077,7 @@ static ssize_t sbp_parse_wwn(const char *name, u64 *wwn, int strict)
 		err = 3;
 		if (isdigit(c))
 			nibble = c - '0';
-		else if (isxdigit(c) && (islower(c) || !strict))
+		else if (isxdigit(c))
 			nibble = tolower(c) - 'a' + 10;
 		else
 			goto fail;
@@ -2117,7 +2106,7 @@ static struct se_node_acl *sbp_make_nodeacl(
 	u64 guid = 0;
 	u32 nexus_depth = 1;
 
-	if (sbp_parse_wwn(name, &guid, 1) < 0)
+	if (sbp_parse_wwn(name, &guid) < 0)
 		return ERR_PTR(-EINVAL);
 
 	se_nacl_new = sbp_alloc_fabric_acl(se_tpg);
@@ -2253,7 +2242,7 @@ static struct se_wwn *sbp_make_tport(
 	struct sbp_tport *tport;
 	u64 guid = 0;
 
-	if (sbp_parse_wwn(name, &guid, 1) < 0)
+	if (sbp_parse_wwn(name, &guid) < 0)
 		return ERR_PTR(-EINVAL);
 
 	tport = kzalloc(sizeof(*tport), GFP_KERNEL);
@@ -2534,8 +2523,6 @@ static struct target_core_fabric_ops sbp_ops = {
 	.queue_data_in			= sbp_queue_data_in,
 	.queue_status			= sbp_queue_status,
 	.queue_tm_rsp			= sbp_queue_tm_rsp,
-	.get_fabric_sense_len		= sbp_get_fabric_sense_len,
-	.set_fabric_sense_len		= sbp_set_fabric_sense_len,
 	.check_stop_free		= sbp_check_stop_free,
 
 	.fabric_make_wwn		= sbp_make_tport,
@@ -2556,9 +2543,9 @@ static int sbp_register_configfs(void)
 	int ret;
 
 	fabric = target_fabric_configfs_init(THIS_MODULE, "sbp");
-	if (!fabric) {
+	if (IS_ERR(fabric)) {
 		pr_err("target_fabric_configfs_init() failed\n");
-		return -ENOMEM;
+		return PTR_ERR(fabric);
 	}
 
 	fabric->tf_ops = sbp_ops;
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 41641ba5482..9a5f9a7aecd 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -344,7 +344,7 @@ int target_emulate_set_target_port_groups(struct se_cmd *cmd)
 			 */
 			rtpi = get_unaligned_be16(ptr + 2);
 			/*
-			 * Locate the matching relative target port identifer
+			 * Locate the matching relative target port identifier
 			 * for the struct se_device storage object.
 			 */
 			spin_lock(&dev->se_port_lock);
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 801efa89204..c123327499a 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -457,14 +457,6 @@ static int target_fabric_tf_ops_check(
 		pr_err("Missing tfo->queue_tm_rsp()\n");
 		return -EINVAL;
 	}
-	if (!tfo->set_fabric_sense_len) {
-		pr_err("Missing tfo->set_fabric_sense_len()\n");
-		return -EINVAL;
-	}
-	if (!tfo->get_fabric_sense_len) {
-		pr_err("Missing tfo->get_fabric_sense_len()\n");
-		return -EINVAL;
-	}
 	/*
 	 * We at least require tfo->fabric_make_wwn(), tfo->fabric_drop_wwn()
 	 * tfo->fabric_make_tpg() and tfo->fabric_drop_tpg() in
@@ -1208,7 +1200,7 @@ static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port(
 		" Target Node Endpoint: %s\n", tfo->get_fabric_name(),
 		tfo->tpg_get_wwn(se_tpg));
 	len += sprintf(page+len, "SPC-3 Reservation: Relative Port"
-		" Identifer Tag: %hu %s Portal Group Tag: %hu"
+		" Identifier Tag: %hu %s Portal Group Tag: %hu"
 		" %s Logical Unit: %u\n", lun->lun_sep->sep_rtpi,
 		tfo->get_fabric_name(), tfo->tpg_get_tag(se_tpg),
 		tfo->get_fabric_name(), lun->unpacked_lun);
@@ -3132,6 +3124,7 @@ static int __init target_core_init_configfs(void)
 				GFP_KERNEL);
 	if (!target_cg->default_groups) {
 		pr_err("Unable to allocate target_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 
@@ -3147,6 +3140,7 @@ static int __init target_core_init_configfs(void)
 				GFP_KERNEL);
 	if (!hba_cg->default_groups) {
 		pr_err("Unable to allocate hba_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 	config_group_init_type_name(&alua_group,
@@ -3162,6 +3156,7 @@ static int __init target_core_init_configfs(void)
 			GFP_KERNEL);
 	if (!alua_cg->default_groups) {
 		pr_err("Unable to allocate alua_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 
@@ -3173,14 +3168,17 @@ static int __init target_core_init_configfs(void)
 	 * Add core/alua/lu_gps/default_lu_gp
 	 */
 	lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1);
-	if (IS_ERR(lu_gp))
+	if (IS_ERR(lu_gp)) {
+		ret = -ENOMEM;
 		goto out_global;
+	}
 
 	lu_gp_cg = &alua_lu_gps_group;
 	lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
 			GFP_KERNEL);
 	if (!lu_gp_cg->default_groups) {
 		pr_err("Unable to allocate lu_gp_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 
@@ -3208,7 +3206,8 @@ static int __init target_core_init_configfs(void)
 	if (ret < 0)
 		goto out;
 
-	if (core_dev_setup_virtual_lun0() < 0)
+	ret = core_dev_setup_virtual_lun0();
+	if (ret < 0)
 		goto out;
 
 	return 0;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 9fc9a6006ca..9abef9f8eb7 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -531,7 +531,7 @@ static struct se_port *core_alloc_port(struct se_device *dev)
 	}
 again:
 	/*
-	 * Allocate the next RELATIVE TARGET PORT IDENTIFER for this struct se_device
+	 * Allocate the next RELATIVE TARGET PORT IDENTIFIER for this struct se_device
 	 * Here is the table from spc4r17 section 7.7.3.8.
 	 *
 	 *    Table 473 -- RELATIVE TARGET PORT IDENTIFIER field
@@ -548,7 +548,7 @@ again:
 
 	list_for_each_entry(port_tmp, &dev->dev_sep_list, sep_list) {
 		/*
-		 * Make sure RELATIVE TARGET PORT IDENTIFER is unique
+		 * Make sure RELATIVE TARGET PORT IDENTIFIER is unique
 		 * for 16-bit wrap..
 		 */
 		if (port->sep_rtpi == port_tmp->sep_rtpi)
@@ -595,7 +595,7 @@ static void core_export_port(
 	}
 
 	dev->dev_port_count++;
-	port->sep_index = port->sep_rtpi; /* RELATIVE TARGET PORT IDENTIFER */
+	port->sep_index = port->sep_rtpi; /* RELATIVE TARGET PORT IDENTIFIER */
 }
 
 /*
@@ -850,20 +850,20 @@ int se_dev_check_shutdown(struct se_device *dev)
 
 static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
 {
-	u32 tmp, aligned_max_sectors;
+	u32 aligned_max_sectors;
+	u32 alignment;
 	/*
 	 * Limit max_sectors to a PAGE_SIZE aligned value for modern
 	 * transport_allocate_data_tasks() operation.
 	 */
-	tmp = rounddown((max_sectors * block_size), PAGE_SIZE);
-	aligned_max_sectors = (tmp / block_size);
-	if (max_sectors != aligned_max_sectors) {
-		printk(KERN_INFO "Rounding down aligned max_sectors from %u"
-				" to %u\n", max_sectors, aligned_max_sectors);
-		return aligned_max_sectors;
-	}
+	alignment = max(1ul, PAGE_SIZE / block_size);
+	aligned_max_sectors = rounddown(max_sectors, alignment);
+
+	if (max_sectors != aligned_max_sectors)
+		pr_info("Rounding down aligned max_sectors from %u to %u\n",
+			max_sectors, aligned_max_sectors);
 
-	return max_sectors;
+	return aligned_max_sectors;
 }
 
 void se_dev_set_default_attribs(
@@ -988,8 +988,9 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
 		return -EINVAL;
 	}
 
-	if (flag && dev->transport->fua_write_emulated == 0) {
-		pr_err("fua_write_emulated not supported\n");
+	if (flag &&
+	    dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
+		pr_err("emulate_fua_write not supported for pSCSI\n");
 		return -EINVAL;
 	}
 	dev->se_sub_dev->se_dev_attrib.emulate_fua_write = flag;
@@ -1019,8 +1020,9 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
 		pr_err("Illegal value %d\n", flag);
 		return -EINVAL;
 	}
-	if (flag && dev->transport->write_cache_emulated == 0) {
-		pr_err("write_cache_emulated not supported\n");
+	if (flag &&
+	    dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
+		pr_err("emulate_write_cache not supported for pSCSI\n");
 		return -EINVAL;
 	}
 	dev->se_sub_dev->se_dev_attrib.emulate_write_cache = flag;
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index ea479e54f5f..bca737bb813 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -22,7 +22,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
 #include <linux/utsname.h>
 #include <linux/init.h>
 #include <linux/fs.h>
diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c
index 283a36e464e..e460d6233a0 100644
--- a/drivers/target/target_core_fabric_lib.c
+++ b/drivers/target/target_core_fabric_lib.c
@@ -338,7 +338,7 @@ u32 iscsi_get_pr_transport_id_len(
 	 * 00b: iSCSI Initiator device TransportID format
 	 */
 	if (pr_reg->isid_present_at_reg) {
-		len += 5; /* For ",i,0x" ASCII seperator */
+		len += 5; /* For ",i,0x" ASCII separator */
 		len += 7; /* For iSCSI Initiator Session ID + Null terminator */
 		*format_code = 1;
 	} else
@@ -415,20 +415,20 @@ char *iscsi_parse_pr_out_transport_id(
 			*out_tid_len = (add_len + 4);
 	}
 	/*
-	 * Check for ',i,0x' seperator between iSCSI Name and iSCSI Initiator
+	 * Check for ',i,0x' separator between iSCSI Name and iSCSI Initiator
 	 * Session ID as defined in Table 390 - iSCSI initiator port TransportID
 	 * format.
 	 */
 	if (format_code == 0x40) {
 		p = strstr(&buf[4], ",i,0x");
 		if (!p) {
-			pr_err("Unable to locate \",i,0x\" seperator"
+			pr_err("Unable to locate \",i,0x\" separator"
 				" for Initiator port identifier: %s\n",
 				&buf[4]);
 			return NULL;
 		}
 		*p = '\0'; /* Terminate iSCSI Name */
-		p += 5; /* Skip over ",i,0x" seperator */
+		p += 5; /* Skip over ",i,0x" separator */
 
 		*port_nexus_ptr = p;
 		/*
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index cbb5aaf3e56..0360383dfb9 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -125,6 +125,19 @@ static struct se_device *fd_create_virtdevice(
 	 * of pure timestamp updates.
 	 */
 	flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
+	/*
+	 * Optionally allow fd_buffered_io=1 to be enabled for people
+	 * who want use the fs buffer cache as an WriteCache mechanism.
+	 *
+	 * This means that in event of a hard failure, there is a risk
+	 * of silent data-loss if the SCSI client has *not* performed a
+	 * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE
+	 * to write-out the entire device cache.
+	 */
+	if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+		pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n");
+		flags &= ~O_DSYNC;
+	}
 
 	file = filp_open(fd_dev->fd_dev_name, flags, 0600);
 	if (IS_ERR(file)) {
@@ -188,6 +201,12 @@ static struct se_device *fd_create_virtdevice(
 	if (!dev)
 		goto fail;
 
+	if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+		pr_debug("FILEIO: Forcing setting of emulate_write_cache=1"
+			" with FDBD_HAS_BUFFERED_IO_WCE\n");
+		dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1;
+	}
+
 	fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++;
 	fd_dev->fd_queue_depth = dev->queue_depth;
 
@@ -407,6 +426,7 @@ enum {
 static match_table_t tokens = {
 	{Opt_fd_dev_name, "fd_dev_name=%s"},
 	{Opt_fd_dev_size, "fd_dev_size=%s"},
+	{Opt_fd_buffered_io, "fd_buffered_io=%d"},
 	{Opt_err, NULL}
 };
 
@@ -418,7 +438,7 @@ static ssize_t fd_set_configfs_dev_params(
 	struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
 	char *orig, *ptr, *arg_p, *opts;
 	substring_t args[MAX_OPT_ARGS];
-	int ret = 0, token;
+	int ret = 0, arg, token;
 
 	opts = kstrdup(page, GFP_KERNEL);
 	if (!opts)
@@ -459,6 +479,19 @@ static ssize_t fd_set_configfs_dev_params(
 					" bytes\n", fd_dev->fd_dev_size);
 			fd_dev->fbd_flags |= FBDF_HAS_SIZE;
 			break;
+		case Opt_fd_buffered_io:
+			match_int(args, &arg);
+			if (arg != 1) {
+				pr_err("bogus fd_buffered_io=%d value\n", arg);
+				ret = -EINVAL;
+				goto out;
+			}
+
+			pr_debug("FILEIO: Using buffered I/O"
+				" operations for struct fd_dev\n");
+
+			fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE;
+			break;
 		default:
 			break;
 		}
@@ -490,8 +523,10 @@ static ssize_t fd_show_configfs_dev_params(
 	ssize_t bl = 0;
 
 	bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id);
-	bl += sprintf(b + bl, "        File: %s  Size: %llu  Mode: O_DSYNC\n",
-		fd_dev->fd_dev_name, fd_dev->fd_dev_size);
+	bl += sprintf(b + bl, "        File: %s  Size: %llu  Mode: %s\n",
+		fd_dev->fd_dev_name, fd_dev->fd_dev_size,
+		(fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ?
+		"Buffered-WCE" : "O_DSYNC");
 	return bl;
 }
 
@@ -546,8 +581,6 @@ static struct se_subsystem_api fileio_template = {
 	.name			= "fileio",
 	.owner			= THIS_MODULE,
 	.transport_type		= TRANSPORT_PLUGIN_VHBA_PDEV,
-	.write_cache_emulated	= 1,
-	.fua_write_emulated	= 1,
 	.attach_hba		= fd_attach_hba,
 	.detach_hba		= fd_detach_hba,
 	.allocate_virtdevice	= fd_allocate_virtdevice,
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 70ce7fd7111..876ae53ef5b 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -14,6 +14,7 @@
 
 #define FBDF_HAS_PATH		0x01
 #define FBDF_HAS_SIZE		0x02
+#define FDBD_HAS_BUFFERED_IO_WCE 0x04
 
 struct fd_dev {
 	u32		fbd_flags;
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 9ba495477fd..57d7674c501 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -454,14 +454,11 @@ static ssize_t iblock_set_configfs_dev_params(struct se_hba *hba,
 				ret = -EEXIST;
 				goto out;
 			}
-			arg_p = match_strdup(&args[0]);
-			if (!arg_p) {
-				ret = -ENOMEM;
+			if (match_strlcpy(ib_dev->ibd_udev_path, &args[0],
+				SE_UDEV_PATH_LEN) == 0) {
+				ret = -EINVAL;
 				break;
 			}
-			snprintf(ib_dev->ibd_udev_path, SE_UDEV_PATH_LEN,
-					"%s", arg_p);
-			kfree(arg_p);
 			pr_debug("IBLOCK: Referencing UDEV path: %s\n",
 					ib_dev->ibd_udev_path);
 			ib_dev->ibd_flags |= IBDF_HAS_UDEV_PATH;
@@ -556,14 +553,6 @@ static void iblock_complete_cmd(struct se_cmd *cmd)
 	kfree(ibr);
 }
 
-static void iblock_bio_destructor(struct bio *bio)
-{
-	struct se_cmd *cmd = bio->bi_private;
-	struct iblock_dev *ib_dev = cmd->se_dev->dev_ptr;
-
-	bio_free(bio, ib_dev->ibd_bio_set);
-}
-
 static struct bio *
 iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
 {
@@ -585,7 +574,6 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
 
 	bio->bi_bdev = ib_dev->ibd_bd;
 	bio->bi_private = cmd;
-	bio->bi_destructor = iblock_bio_destructor;
 	bio->bi_end_io = &iblock_bio_done;
 	bio->bi_sector = lba;
 	return bio;
@@ -657,6 +645,12 @@ static int iblock_execute_rw(struct se_cmd *cmd)
 		goto fail;
 	cmd->priv = ibr;
 
+	if (!sgl_nents) {
+		atomic_set(&ibr->pending, 1);
+		iblock_complete_cmd(cmd);
+		return 0;
+	}
+
 	bio = iblock_get_bio(cmd, block_lba, sgl_nents);
 	if (!bio)
 		goto fail_free_ibr;
@@ -769,8 +763,6 @@ static struct se_subsystem_api iblock_template = {
 	.name			= "iblock",
 	.owner			= THIS_MODULE,
 	.transport_type		= TRANSPORT_PLUGIN_VHBA_PDEV,
-	.write_cache_emulated	= 1,
-	.fua_write_emulated	= 1,
 	.attach_hba		= iblock_attach_hba,
 	.detach_hba		= iblock_detach_hba,
 	.allocate_virtdevice	= iblock_allocate_virtdevice,
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 956c84c6b66..8c323a98c4a 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -197,10 +197,10 @@ int target_scsi2_reservation_release(struct se_cmd *cmd)
 {
 	struct se_device *dev = cmd->se_dev;
 	struct se_session *sess = cmd->se_sess;
-	struct se_portal_group *tpg = sess->se_tpg;
+	struct se_portal_group *tpg;
 	int ret = 0, rc;
 
-	if (!sess || !tpg)
+	if (!sess || !sess->se_tpg)
 		goto out;
 	rc = target_check_scsi2_reservation_conflict(cmd);
 	if (rc == 1)
@@ -228,6 +228,7 @@ int target_scsi2_reservation_release(struct se_cmd *cmd)
 		dev->dev_res_bin_isid = 0;
 		dev->dev_flags &= ~DF_SPC2_RESERVATIONS_WITH_ISID;
 	}
+	tpg = sess->se_tpg;
 	pr_debug("SCSI-2 Released reservation for %s LUN: %u ->"
 		" MAPPED LUN: %u for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
 		cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun,
@@ -245,7 +246,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd)
 {
 	struct se_device *dev = cmd->se_dev;
 	struct se_session *sess = cmd->se_sess;
-	struct se_portal_group *tpg = sess->se_tpg;
+	struct se_portal_group *tpg;
 	int ret = 0, rc;
 
 	if ((cmd->t_task_cdb[1] & 0x01) &&
@@ -260,7 +261,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd)
 	 * This is currently the case for target_core_mod passthrough struct se_cmd
 	 * ops
 	 */
-	if (!sess || !tpg)
+	if (!sess || !sess->se_tpg)
 		goto out;
 	rc = target_check_scsi2_reservation_conflict(cmd);
 	if (rc == 1)
@@ -272,6 +273,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd)
 	}
 
 	ret = 0;
+	tpg = sess->se_tpg;
 	spin_lock(&dev->dev_reservation_lock);
 	if (dev->dev_reserved_node_acl &&
 	   (dev->dev_reserved_node_acl != sess->se_node_acl)) {
@@ -1620,7 +1622,7 @@ static int core_scsi3_decode_spec_i_port(
 				goto out;
 			}
 			/*
-			 * Locate the desination initiator ACL to be registered
+			 * Locate the destination initiator ACL to be registered
 			 * from the decoded fabric module specific TransportID
 			 * at *i_str.
 			 */
@@ -4257,7 +4259,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
 			buf[off++] = ((port->sep_rtpi >> 8) & 0xff);
 			buf[off++] = (port->sep_rtpi & 0xff);
 		} else
-			off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFER */
+			off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFIER */
 
 		/*
 		 * Now, have the $FABRIC_MOD fill in the protocol identifier
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 9d7ce3daa26..617c086a8a0 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -264,7 +264,7 @@ pscsi_get_inquiry_vpd_device_ident(struct scsi_device *sdev,
 					" length zero!\n");
 			break;
 		}
-		pr_debug("T10 VPD Identifer Length: %d\n", ident_len);
+		pr_debug("T10 VPD Identifier Length: %d\n", ident_len);
 
 		vpd = kzalloc(sizeof(struct t10_vpd), GFP_KERNEL);
 		if (!vpd) {
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index a9dd9469e3b..a6e27d967c7 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -40,8 +40,9 @@
 static int sbc_emulate_readcapacity(struct se_cmd *cmd)
 {
 	struct se_device *dev = cmd->se_dev;
-	unsigned char *buf;
 	unsigned long long blocks_long = dev->transport->get_blocks(dev);
+	unsigned char *rbuf;
+	unsigned char buf[8];
 	u32 blocks;
 
 	if (blocks_long >= 0x00000000ffffffff)
@@ -49,8 +50,6 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd)
 	else
 		blocks = (u32)blocks_long;
 
-	buf = transport_kmap_data_sg(cmd);
-
 	buf[0] = (blocks >> 24) & 0xff;
 	buf[1] = (blocks >> 16) & 0xff;
 	buf[2] = (blocks >> 8) & 0xff;
@@ -60,7 +59,11 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd)
 	buf[6] = (dev->se_sub_dev->se_dev_attrib.block_size >> 8) & 0xff;
 	buf[7] = dev->se_sub_dev->se_dev_attrib.block_size & 0xff;
 
-	transport_kunmap_data_sg(cmd);
+	rbuf = transport_kmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+		transport_kunmap_data_sg(cmd);
+	}
 
 	target_complete_cmd(cmd, GOOD);
 	return 0;
@@ -69,11 +72,11 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd)
 static int sbc_emulate_readcapacity_16(struct se_cmd *cmd)
 {
 	struct se_device *dev = cmd->se_dev;
-	unsigned char *buf;
+	unsigned char *rbuf;
+	unsigned char buf[32];
 	unsigned long long blocks = dev->transport->get_blocks(dev);
 
-	buf = transport_kmap_data_sg(cmd);
-
+	memset(buf, 0, sizeof(buf));
 	buf[0] = (blocks >> 56) & 0xff;
 	buf[1] = (blocks >> 48) & 0xff;
 	buf[2] = (blocks >> 40) & 0xff;
@@ -93,7 +96,11 @@ static int sbc_emulate_readcapacity_16(struct se_cmd *cmd)
 	if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws)
 		buf[14] = 0x80;
 
-	transport_kunmap_data_sg(cmd);
+	rbuf = transport_kmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+		transport_kunmap_data_sg(cmd);
+	}
 
 	target_complete_cmd(cmd, GOOD);
 	return 0;
@@ -128,6 +135,12 @@ static int sbc_emulate_verify(struct se_cmd *cmd)
 	return 0;
 }
 
+static int sbc_emulate_noop(struct se_cmd *cmd)
+{
+	target_complete_cmd(cmd, GOOD);
+	return 0;
+}
+
 static inline u32 sbc_get_size(struct se_cmd *cmd, u32 sectors)
 {
 	return cmd->se_dev->se_sub_dev->se_dev_attrib.block_size * sectors;
@@ -524,6 +537,18 @@ int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops)
 		size = 0;
 		cmd->execute_cmd = sbc_emulate_verify;
 		break;
+	case REZERO_UNIT:
+	case SEEK_6:
+	case SEEK_10:
+		/*
+		 * There are still clients out there which use these old SCSI-2
+		 * commands. This mainly happens when running VMs with legacy
+		 * guest systems, connected via SCSI command pass-through to
+		 * iSCSI targets. Make them happy and return status GOOD.
+		 */
+		size = 0;
+		cmd->execute_cmd = sbc_emulate_noop;
+		break;
 	default:
 		ret = spc_parse_cdb(cmd, &size);
 		if (ret)
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 388a922c8f6..6fd434d3d7e 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -600,29 +600,12 @@ static int spc_emulate_inquiry(struct se_cmd *cmd)
 {
 	struct se_device *dev = cmd->se_dev;
 	struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg;
-	unsigned char *buf, *map_buf;
+	unsigned char *rbuf;
 	unsigned char *cdb = cmd->t_task_cdb;
+	unsigned char buf[SE_INQUIRY_BUF];
 	int p, ret;
 
-	map_buf = transport_kmap_data_sg(cmd);
-	/*
-	 * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we
-	 * know we actually allocated a full page.  Otherwise, if the
-	 * data buffer is too small, allocate a temporary buffer so we
-	 * don't have to worry about overruns in all our INQUIRY
-	 * emulation handling.
-	 */
-	if (cmd->data_length < SE_INQUIRY_BUF &&
-	    (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) {
-		buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL);
-		if (!buf) {
-			transport_kunmap_data_sg(cmd);
-			cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-			return -ENOMEM;
-		}
-	} else {
-		buf = map_buf;
-	}
+	memset(buf, 0, SE_INQUIRY_BUF);
 
 	if (dev == tpg->tpg_virt_lun0.lun_se_dev)
 		buf[0] = 0x3f; /* Not connected */
@@ -655,11 +638,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd)
 	ret = -EINVAL;
 
 out:
-	if (buf != map_buf) {
-		memcpy(map_buf, buf, cmd->data_length);
-		kfree(buf);
+	rbuf = transport_kmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+		transport_kunmap_data_sg(cmd);
 	}
-	transport_kunmap_data_sg(cmd);
 
 	if (!ret)
 		target_complete_cmd(cmd, GOOD);
@@ -803,7 +786,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
 	unsigned char *rbuf;
 	int type = dev->transport->get_device_type(dev);
 	int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10);
-	int offset = ten ? 8 : 4;
+	u32 offset = ten ? 8 : 4;
 	int length = 0;
 	unsigned char buf[SE_MODE_PAGE_BUF];
 
@@ -836,6 +819,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
 		offset -= 2;
 		buf[0] = (offset >> 8) & 0xff;
 		buf[1] = offset & 0xff;
+		offset += 2;
 
 		if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) ||
 		    (cmd->se_deve &&
@@ -845,13 +829,10 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
 		if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
 		    (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
 			spc_modesense_dpofua(&buf[3], type);
-
-		if ((offset + 2) > cmd->data_length)
-			offset = cmd->data_length;
-
 	} else {
 		offset -= 1;
 		buf[0] = offset & 0xff;
+		offset += 1;
 
 		if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) ||
 		    (cmd->se_deve &&
@@ -861,14 +842,13 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
 		if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
 		    (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
 			spc_modesense_dpofua(&buf[2], type);
-
-		if ((offset + 1) > cmd->data_length)
-			offset = cmd->data_length;
 	}
 
 	rbuf = transport_kmap_data_sg(cmd);
-	memcpy(rbuf, buf, offset);
-	transport_kunmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min(offset, cmd->data_length));
+		transport_kunmap_data_sg(cmd);
+	}
 
 	target_complete_cmd(cmd, GOOD);
 	return 0;
diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c
index 3d44beb0cf1..cb6b0036ae9 100644
--- a/drivers/target/target_core_stat.c
+++ b/drivers/target/target_core_stat.c
@@ -32,7 +32,6 @@
 #include <linux/delay.h>
 #include <linux/timer.h>
 #include <linux/string.h>
-#include <generated/utsrelease.h>
 #include <linux/utsname.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index 1c59a3c23b2..be75c4331a9 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -140,15 +140,15 @@ void core_tmr_abort_task(
 		printk("ABORT_TASK: Found referenced %s task_tag: %u\n",
 			se_cmd->se_tfo->get_fabric_name(), ref_tag);
 
-		spin_lock_irq(&se_cmd->t_state_lock);
+		spin_lock(&se_cmd->t_state_lock);
 		if (se_cmd->transport_state & CMD_T_COMPLETE) {
 			printk("ABORT_TASK: ref_tag: %u already complete, skipping\n", ref_tag);
-			spin_unlock_irq(&se_cmd->t_state_lock);
+			spin_unlock(&se_cmd->t_state_lock);
 			spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
 			goto out;
 		}
 		se_cmd->transport_state |= CMD_T_ABORTED;
-		spin_unlock_irq(&se_cmd->t_state_lock);
+		spin_unlock(&se_cmd->t_state_lock);
 
 		list_del_init(&se_cmd->se_cmd_list);
 		kref_get(&se_cmd->cmd_kref);
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index b8628a5014b..a531fe282b1 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -303,7 +303,7 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
 	}
 	/*
 	 * Here we only create demo-mode MappedLUNs from the active
-	 * TPG LUNs if the fabric is not explictly asking for
+	 * TPG LUNs if the fabric is not explicitly asking for
 	 * tpg_check_demo_mode_login_only() == 1.
 	 */
 	if ((tpg->se_tpg_tfo->tpg_check_demo_mode_login_only == NULL) ||
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 269f5448839..9097155e9eb 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -55,8 +55,6 @@
 #include "target_core_pr.h"
 #include "target_core_ua.h"
 
-static int sub_api_initialized;
-
 static struct workqueue_struct *target_completion_wq;
 static struct kmem_cache *se_sess_cache;
 struct kmem_cache *se_ua_cache;
@@ -195,6 +193,7 @@ u32 scsi_get_new_index(scsi_index_t type)
 void transport_subsystem_check_init(void)
 {
 	int ret;
+	static int sub_api_initialized;
 
 	if (sub_api_initialized)
 		return;
@@ -211,12 +210,7 @@ void transport_subsystem_check_init(void)
 	if (ret != 0)
 		pr_err("Unable to load target_core_pscsi\n");
 
-	ret = request_module("target_core_stgt");
-	if (ret != 0)
-		pr_err("Unable to load target_core_stgt\n");
-
 	sub_api_initialized = 1;
-	return;
 }
 
 struct se_session *transport_init_session(void)
@@ -573,9 +567,7 @@ static void target_complete_failure_work(struct work_struct *work)
  */
 static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd)
 {
-	unsigned char *buffer = cmd->sense_buffer;
 	struct se_device *dev = cmd->se_dev;
-	u32 offset = 0;
 
 	WARN_ON(!cmd->se_lun);
 
@@ -585,14 +577,11 @@ static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd)
 	if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION)
 		return NULL;
 
-	offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER);
-
-	/* Automatically padded */
-	cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset;
+	cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER;
 
 	pr_debug("HBA_[%u]_PLUG[%s]: Requesting sense for SAM STATUS: 0x%02x\n",
 		dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status);
-	return &buffer[offset];
+	return cmd->sense_buffer;
 }
 
 void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
@@ -969,7 +958,7 @@ int
 transport_set_vpd_ident(struct t10_vpd *vpd, unsigned char *page_83)
 {
 	static const char hex_str[] = "0123456789abcdef";
-	int j = 0, i = 4; /* offset to start of the identifer */
+	int j = 0, i = 4; /* offset to start of the identifier */
 
 	/*
 	 * The VPD Code Set (encoding)
@@ -1466,8 +1455,9 @@ int transport_handle_cdb_direct(
 }
 EXPORT_SYMBOL(transport_handle_cdb_direct);
 
-/**
- * target_submit_cmd - lookup unpacked lun and submit uninitialized se_cmd
+/*
+ * target_submit_cmd_map_sgls - lookup unpacked lun and submit uninitialized
+ * 			 se_cmd + use pre-allocated SGL memory.
  *
  * @se_cmd: command descriptor to submit
  * @se_sess: associated se_sess for endpoint
@@ -1478,6 +1468,10 @@ EXPORT_SYMBOL(transport_handle_cdb_direct);
  * @task_addr: SAM task attribute
  * @data_dir: DMA data direction
  * @flags: flags for command submission from target_sc_flags_tables
+ * @sgl: struct scatterlist memory for unidirectional mapping
+ * @sgl_count: scatterlist count for unidirectional mapping
+ * @sgl_bidi: struct scatterlist memory for bidirectional READ mapping
+ * @sgl_bidi_count: scatterlist count for bidirectional READ mapping
  *
  * Returns non zero to signal active I/O shutdown failure.  All other
  * setup exceptions will be returned as a SCSI CHECK_CONDITION response,
@@ -1485,10 +1479,12 @@ EXPORT_SYMBOL(transport_handle_cdb_direct);
  *
  * This may only be called from process context, and also currently
  * assumes internal allocation of fabric payload buffer by target-core.
- **/
-int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
+ */
+int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess,
 		unsigned char *cdb, unsigned char *sense, u32 unpacked_lun,
-		u32 data_length, int task_attr, int data_dir, int flags)
+		u32 data_length, int task_attr, int data_dir, int flags,
+		struct scatterlist *sgl, u32 sgl_count,
+		struct scatterlist *sgl_bidi, u32 sgl_bidi_count)
 {
 	struct se_portal_group *se_tpg;
 	int rc;
@@ -1535,7 +1531,42 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
 		transport_generic_request_failure(se_cmd);
 		return 0;
 	}
+	/*
+	 * When a non zero sgl_count has been passed perform SGL passthrough
+	 * mapping for pre-allocated fabric memory instead of having target
+	 * core perform an internal SGL allocation..
+	 */
+	if (sgl_count != 0) {
+		BUG_ON(!sgl);
+
+		/*
+		 * A work-around for tcm_loop as some userspace code via
+		 * scsi-generic do not memset their associated read buffers,
+		 * so go ahead and do that here for type non-data CDBs.  Also
+		 * note that this is currently guaranteed to be a single SGL
+		 * for this case by target core in target_setup_cmd_from_cdb()
+		 * -> transport_generic_cmd_sequencer().
+		 */
+		if (!(se_cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) &&
+		     se_cmd->data_direction == DMA_FROM_DEVICE) {
+			unsigned char *buf = NULL;
+
+			if (sgl)
+				buf = kmap(sg_page(sgl)) + sgl->offset;
+
+			if (buf) {
+				memset(buf, 0, sgl->length);
+				kunmap(sg_page(sgl));
+			}
+		}
 
+		rc = transport_generic_map_mem_to_cmd(se_cmd, sgl, sgl_count,
+				sgl_bidi, sgl_bidi_count);
+		if (rc != 0) {
+			transport_generic_request_failure(se_cmd);
+			return 0;
+		}
+	}
 	/*
 	 * Check if we need to delay processing because of ALUA
 	 * Active/NonOptimized primary access state..
@@ -1545,6 +1576,38 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
 	transport_handle_cdb_direct(se_cmd);
 	return 0;
 }
+EXPORT_SYMBOL(target_submit_cmd_map_sgls);
+
+/*
+ * target_submit_cmd - lookup unpacked lun and submit uninitialized se_cmd
+ *
+ * @se_cmd: command descriptor to submit
+ * @se_sess: associated se_sess for endpoint
+ * @cdb: pointer to SCSI CDB
+ * @sense: pointer to SCSI sense buffer
+ * @unpacked_lun: unpacked LUN to reference for struct se_lun
+ * @data_length: fabric expected data transfer length
+ * @task_addr: SAM task attribute
+ * @data_dir: DMA data direction
+ * @flags: flags for command submission from target_sc_flags_tables
+ *
+ * Returns non zero to signal active I/O shutdown failure.  All other
+ * setup exceptions will be returned as a SCSI CHECK_CONDITION response,
+ * but still return zero here.
+ *
+ * This may only be called from process context, and also currently
+ * assumes internal allocation of fabric payload buffer by target-core.
+ *
+ * It also assumes interal target core SGL memory allocation.
+ */
+int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
+		unsigned char *cdb, unsigned char *sense, u32 unpacked_lun,
+		u32 data_length, int task_attr, int data_dir, int flags)
+{
+	return target_submit_cmd_map_sgls(se_cmd, se_sess, cdb, sense,
+			unpacked_lun, data_length, task_attr, data_dir,
+			flags, NULL, 0, NULL, 0);
+}
 EXPORT_SYMBOL(target_submit_cmd);
 
 static void target_complete_tmr_failure(struct work_struct *work)
@@ -1553,7 +1616,6 @@ static void target_complete_tmr_failure(struct work_struct *work)
 
 	se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
 	se_cmd->se_tfo->queue_tm_rsp(se_cmd);
-	transport_generic_free_cmd(se_cmd, 0);
 }
 
 /**
@@ -2300,23 +2362,6 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
 		if (ret < 0)
 			goto out_fail;
 	}
-	/*
-	 * If this command doesn't have any payload and we don't have to call
-	 * into the fabric for data transfers, go ahead and complete it right
-	 * away.
-	 */
-	if (!cmd->data_length &&
-	    cmd->t_task_cdb[0] != REQUEST_SENSE &&
-	    cmd->se_dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
-		spin_lock_irq(&cmd->t_state_lock);
-		cmd->t_state = TRANSPORT_COMPLETE;
-		cmd->transport_state |= CMD_T_ACTIVE;
-		spin_unlock_irq(&cmd->t_state_lock);
-
-		INIT_WORK(&cmd->work, target_complete_ok_work);
-		queue_work(target_completion_wq, &cmd->work);
-		return 0;
-	}
 
 	atomic_inc(&cmd->t_fe_count);
 
@@ -2771,7 +2816,7 @@ bool transport_wait_for_tasks(struct se_cmd *cmd)
 	spin_lock_irqsave(&cmd->t_state_lock, flags);
 	cmd->transport_state &= ~(CMD_T_ACTIVE | CMD_T_STOP);
 
-	pr_debug("wait_for_tasks: Stopped wait_for_compltion("
+	pr_debug("wait_for_tasks: Stopped wait_for_completion("
 		"&cmd->t_transport_stop_comp) for ITT: 0x%08x\n",
 		cmd->se_tfo->get_task_tag(cmd));
 
@@ -2810,7 +2855,6 @@ int transport_send_check_condition_and_sense(
 {
 	unsigned char *buffer = cmd->sense_buffer;
 	unsigned long flags;
-	int offset;
 	u8 asc = 0, ascq = 0;
 
 	spin_lock_irqsave(&cmd->t_state_lock, flags);
@@ -2826,14 +2870,7 @@ int transport_send_check_condition_and_sense(
 
 	if (!from_transport)
 		cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE;
-	/*
-	 * Data Segment and SenseLength of the fabric response PDU.
-	 *
-	 * TRANSPORT_SENSE_BUFFER is now set to SCSI_SENSE_BUFFERSIZE
-	 * from include/scsi/scsi_cmnd.h
-	 */
-	offset = cmd->se_tfo->set_fabric_sense_len(cmd,
-				TRANSPORT_SENSE_BUFFER);
+
 	/*
 	 * Actual SENSE DATA, see SPC-3 7.23.2  SPC_SENSE_KEY_OFFSET uses
 	 * SENSE KEY values from include/scsi/scsi.h
@@ -2841,151 +2878,151 @@ int transport_send_check_condition_and_sense(
 	switch (reason) {
 	case TCM_NON_EXISTENT_LUN:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ILLEGAL REQUEST */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* LOGICAL UNIT NOT SUPPORTED */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x25;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x25;
 		break;
 	case TCM_UNSUPPORTED_SCSI_OPCODE:
 	case TCM_SECTOR_COUNT_TOO_MANY:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ILLEGAL REQUEST */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID COMMAND OPERATION CODE */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x20;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x20;
 		break;
 	case TCM_UNKNOWN_MODE_PAGE:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ILLEGAL REQUEST */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID FIELD IN CDB */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x24;
 		break;
 	case TCM_CHECK_CONDITION_ABORT_CMD:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ABORTED COMMAND */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
 		/* BUS DEVICE RESET FUNCTION OCCURRED */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x29;
-		buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x03;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x29;
+		buffer[SPC_ASCQ_KEY_OFFSET] = 0x03;
 		break;
 	case TCM_INCORRECT_AMOUNT_OF_DATA:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ABORTED COMMAND */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
 		/* WRITE ERROR */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x0c;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
 		/* NOT ENOUGH UNSOLICITED DATA */
-		buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x0d;
+		buffer[SPC_ASCQ_KEY_OFFSET] = 0x0d;
 		break;
 	case TCM_INVALID_CDB_FIELD:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ILLEGAL REQUEST */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID FIELD IN CDB */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x24;
 		break;
 	case TCM_INVALID_PARAMETER_LIST:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ILLEGAL REQUEST */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* INVALID FIELD IN PARAMETER LIST */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x26;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x26;
 		break;
 	case TCM_UNEXPECTED_UNSOLICITED_DATA:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ABORTED COMMAND */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
 		/* WRITE ERROR */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x0c;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
 		/* UNEXPECTED_UNSOLICITED_DATA */
-		buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x0c;
+		buffer[SPC_ASCQ_KEY_OFFSET] = 0x0c;
 		break;
 	case TCM_SERVICE_CRC_ERROR:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ABORTED COMMAND */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
 		/* PROTOCOL SERVICE CRC ERROR */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x47;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x47;
 		/* N/A */
-		buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x05;
+		buffer[SPC_ASCQ_KEY_OFFSET] = 0x05;
 		break;
 	case TCM_SNACK_REJECTED:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ABORTED COMMAND */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+		buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
 		/* READ ERROR */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x11;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x11;
 		/* FAILED RETRANSMISSION REQUEST */
-		buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x13;
+		buffer[SPC_ASCQ_KEY_OFFSET] = 0x13;
 		break;
 	case TCM_WRITE_PROTECTED:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* DATA PROTECT */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = DATA_PROTECT;
+		buffer[SPC_SENSE_KEY_OFFSET] = DATA_PROTECT;
 		/* WRITE PROTECTED */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x27;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x27;
 		break;
 	case TCM_ADDRESS_OUT_OF_RANGE:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ILLEGAL REQUEST */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* LOGICAL BLOCK ADDRESS OUT OF RANGE */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x21;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x21;
 		break;
 	case TCM_CHECK_CONDITION_UNIT_ATTENTION:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* UNIT ATTENTION */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
+		buffer[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
 		core_scsi3_ua_for_check_condition(cmd, &asc, &ascq);
-		buffer[offset+SPC_ASC_KEY_OFFSET] = asc;
-		buffer[offset+SPC_ASCQ_KEY_OFFSET] = ascq;
+		buffer[SPC_ASC_KEY_OFFSET] = asc;
+		buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
 		break;
 	case TCM_CHECK_CONDITION_NOT_READY:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* Not Ready */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = NOT_READY;
+		buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
 		transport_get_sense_codes(cmd, &asc, &ascq);
-		buffer[offset+SPC_ASC_KEY_OFFSET] = asc;
-		buffer[offset+SPC_ASCQ_KEY_OFFSET] = ascq;
+		buffer[SPC_ASC_KEY_OFFSET] = asc;
+		buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
 		break;
 	case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
 	default:
 		/* CURRENT ERROR */
-		buffer[offset] = 0x70;
-		buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+		buffer[0] = 0x70;
+		buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
 		/* ILLEGAL REQUEST */
-		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+		buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* LOGICAL UNIT COMMUNICATION FAILURE */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x80;
+		buffer[SPC_ASC_KEY_OFFSET] = 0x80;
 		break;
 	}
 	/*
@@ -2996,7 +3033,7 @@ int transport_send_check_condition_and_sense(
 	 * Automatically padded, this value is encoded in the fabric's
 	 * data_length response PDU containing the SCSI defined sense data.
 	 */
-	cmd->scsi_sense_length  = TRANSPORT_SENSE_BUFFER + offset;
+	cmd->scsi_sense_length  = TRANSPORT_SENSE_BUFFER;
 
 after_reason:
 	return cmd->se_tfo->queue_status(cmd);
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 823e6922249..b406f178ff3 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -19,7 +19,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
 #include <linux/utsname.h>
 #include <linux/init.h>
 #include <linux/slab.h>
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 9501844fae2..b74feb0d513 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -495,16 +495,6 @@ static void ft_set_default_node_attr(struct se_node_acl *se_nacl)
 {
 }
 
-static u16 ft_get_fabric_sense_len(void)
-{
-	return 0;
-}
-
-static u16 ft_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_len)
-{
-	return 0;
-}
-
 static u32 ft_tpg_get_inst_index(struct se_portal_group *se_tpg)
 {
 	struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
@@ -542,8 +532,6 @@ static struct target_core_fabric_ops ft_fabric_ops = {
 	.queue_data_in =		ft_queue_data_in,
 	.queue_status =			ft_queue_status,
 	.queue_tm_rsp =			ft_queue_tm_resp,
-	.get_fabric_sense_len =		ft_get_fabric_sense_len,
-	.set_fabric_sense_len =		ft_set_fabric_sense_len,
 	/*
 	 * Setup function pointers for generic logic in
 	 * target_core_fabric_configfs.c
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index ad36ede1a1e..b6fd4cf4284 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -28,7 +28,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
 #include <linux/utsname.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -328,11 +327,12 @@ drop:
  */
 void ft_invl_hw_context(struct ft_cmd *cmd)
 {
-	struct fc_seq *seq = cmd->seq;
+	struct fc_seq *seq;
 	struct fc_exch *ep = NULL;
 	struct fc_lport *lport = NULL;
 
 	BUG_ON(!cmd);
+	seq = cmd->seq;
 
 	/* Cleanup the DDP context in HW if DDP was setup */
 	if (cmd->was_ddp_setup && seq) {
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index 3c9e5b57caa..9585010964e 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -19,7 +19,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
 #include <linux/utsname.h>
 #include <linux/init.h>
 #include <linux/slab.h>
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 3ab2bd540b5..e1cb6bd75f6 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -19,6 +19,18 @@ config THERMAL_HWMON
 	depends on HWMON=y || HWMON=THERMAL
 	default y
 
+config CPU_THERMAL
+	bool "generic cpu cooling support"
+	depends on THERMAL && CPU_FREQ
+	select CPU_FREQ_TABLE
+	help
+	  This implements the generic cpu cooling mechanism through frequency
+	  reduction, cpu hotplug and any other ways of reducing temperature. An
+	  ACPI version of this already exists(drivers/acpi/processor_thermal.c).
+	  This will be useful for platforms using the generic thermal interface
+	  and not the ACPI interface.
+	  If you want this support, you should say Y here.
+
 config SPEAR_THERMAL
 	bool "SPEAr thermal sensor driver"
 	depends on THERMAL
@@ -27,3 +39,19 @@ config SPEAR_THERMAL
 	help
 	  Enable this to plug the SPEAr thermal sensor driver into the Linux
 	  thermal framework
+
+config RCAR_THERMAL
+	tristate "Renesas R-Car thermal driver"
+	depends on THERMAL
+	depends on ARCH_SHMOBILE
+	help
+	  Enable this to plug the R-Car thermal sensor driver into the Linux
+	  thermal framework
+
+config EXYNOS_THERMAL
+	tristate "Temperature sensor on Samsung EXYNOS"
+	depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5) && THERMAL
+	select CPU_FREQ_TABLE
+	help
+	  If you say yes here you get support for TMU (Thermal Managment
+	  Unit) on SAMSUNG EXYNOS series of SoC.
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index a9fff0bf4b1..885550dc64b 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -3,4 +3,7 @@
 #
 
 obj-$(CONFIG_THERMAL)		+= thermal_sys.o
-obj-$(CONFIG_SPEAR_THERMAL)		+= spear_thermal.o
\ No newline at end of file
+obj-$(CONFIG_CPU_THERMAL)		+= cpu_cooling.o
+obj-$(CONFIG_SPEAR_THERMAL)		+= spear_thermal.o
+obj-$(CONFIG_RCAR_THERMAL)	+= rcar_thermal.o
+obj-$(CONFIG_EXYNOS_THERMAL)		+= exynos_thermal.o
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
new file mode 100644
index 00000000000..cc1c930a90e
--- /dev/null
+++ b/drivers/thermal/cpu_cooling.c
@@ -0,0 +1,449 @@
+/*
+ *  linux/drivers/thermal/cpu_cooling.c
+ *
+ *  Copyright (C) 2012	Samsung Electronics Co., Ltd(http://www.samsung.com)
+ *  Copyright (C) 2012  Amit Daniel <amit.kachhap@linaro.org>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/thermal.h>
+#include <linux/platform_device.h>
+#include <linux/cpufreq.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/cpu.h>
+#include <linux/cpu_cooling.h>
+
+/**
+ * struct cpufreq_cooling_device
+ * @id: unique integer value corresponding to each cpufreq_cooling_device
+ *	registered.
+ * @cool_dev: thermal_cooling_device pointer to keep track of the the
+ *	egistered cooling device.
+ * @cpufreq_state: integer value representing the current state of cpufreq
+ *	cooling	devices.
+ * @cpufreq_val: integer value representing the absolute value of the clipped
+ *	frequency.
+ * @allowed_cpus: all the cpus involved for this cpufreq_cooling_device.
+ * @node: list_head to link all cpufreq_cooling_device together.
+ *
+ * This structure is required for keeping information of each
+ * cpufreq_cooling_device registered as a list whose head is represented by
+ * cooling_cpufreq_list. In order to prevent corruption of this list a
+ * mutex lock cooling_cpufreq_lock is used.
+ */
+struct cpufreq_cooling_device {
+	int id;
+	struct thermal_cooling_device *cool_dev;
+	unsigned int cpufreq_state;
+	unsigned int cpufreq_val;
+	struct cpumask allowed_cpus;
+	struct list_head node;
+};
+static LIST_HEAD(cooling_cpufreq_list);
+static DEFINE_IDR(cpufreq_idr);
+
+static struct mutex cooling_cpufreq_lock;
+
+/* notify_table passes value to the CPUFREQ_ADJUST callback function. */
+#define NOTIFY_INVALID NULL
+struct cpufreq_cooling_device *notify_device;
+
+/**
+ * get_idr - function to get a unique id.
+ * @idr: struct idr * handle used to create a id.
+ * @id: int * value generated by this function.
+ */
+static int get_idr(struct idr *idr, int *id)
+{
+	int err;
+again:
+	if (unlikely(idr_pre_get(idr, GFP_KERNEL) == 0))
+		return -ENOMEM;
+
+	mutex_lock(&cooling_cpufreq_lock);
+	err = idr_get_new(idr, NULL, id);
+	mutex_unlock(&cooling_cpufreq_lock);
+
+	if (unlikely(err == -EAGAIN))
+		goto again;
+	else if (unlikely(err))
+		return err;
+
+	*id = *id & MAX_IDR_MASK;
+	return 0;
+}
+
+/**
+ * release_idr - function to free the unique id.
+ * @idr: struct idr * handle used for creating the id.
+ * @id: int value representing the unique id.
+ */
+static void release_idr(struct idr *idr, int id)
+{
+	mutex_lock(&cooling_cpufreq_lock);
+	idr_remove(idr, id);
+	mutex_unlock(&cooling_cpufreq_lock);
+}
+
+/* Below code defines functions to be used for cpufreq as cooling device */
+
+/**
+ * is_cpufreq_valid - function to check if a cpu has frequency transition policy.
+ * @cpu: cpu for which check is needed.
+ */
+static int is_cpufreq_valid(int cpu)
+{
+	struct cpufreq_policy policy;
+	return !cpufreq_get_policy(&policy, cpu);
+}
+
+/**
+ * get_cpu_frequency - get the absolute value of frequency from level.
+ * @cpu: cpu for which frequency is fetched.
+ * @level: level of frequency of the CPU
+ *	e.g level=1 --> 1st MAX FREQ, LEVEL=2 ---> 2nd MAX FREQ, .... etc
+ */
+static unsigned int get_cpu_frequency(unsigned int cpu, unsigned long level)
+{
+	int ret = 0, i = 0;
+	unsigned long level_index;
+	bool descend = false;
+	struct cpufreq_frequency_table *table =
+					cpufreq_frequency_get_table(cpu);
+	if (!table)
+		return ret;
+
+	while (table[i].frequency != CPUFREQ_TABLE_END) {
+		if (table[i].frequency == CPUFREQ_ENTRY_INVALID)
+			continue;
+
+		/*check if table in ascending or descending order*/
+		if ((table[i + 1].frequency != CPUFREQ_TABLE_END) &&
+			(table[i + 1].frequency < table[i].frequency)
+			&& !descend) {
+			descend = true;
+		}
+
+		/*return if level matched and table in descending order*/
+		if (descend && i == level)
+			return table[i].frequency;
+		i++;
+	}
+	i--;
+
+	if (level > i || descend)
+		return ret;
+	level_index = i - level;
+
+	/*Scan the table in reverse order and match the level*/
+	while (i >= 0) {
+		if (table[i].frequency == CPUFREQ_ENTRY_INVALID)
+			continue;
+		/*return if level matched*/
+		if (i == level_index)
+			return table[i].frequency;
+		i--;
+	}
+	return ret;
+}
+
+/**
+ * cpufreq_apply_cooling - function to apply frequency clipping.
+ * @cpufreq_device: cpufreq_cooling_device pointer containing frequency
+ *	clipping data.
+ * @cooling_state: value of the cooling state.
+ */
+static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
+				unsigned long cooling_state)
+{
+	unsigned int cpuid, clip_freq;
+	struct cpumask *maskPtr = &cpufreq_device->allowed_cpus;
+	unsigned int cpu = cpumask_any(maskPtr);
+
+
+	/* Check if the old cooling action is same as new cooling action */
+	if (cpufreq_device->cpufreq_state == cooling_state)
+		return 0;
+
+	clip_freq = get_cpu_frequency(cpu, cooling_state);
+	if (!clip_freq)
+		return -EINVAL;
+
+	cpufreq_device->cpufreq_state = cooling_state;
+	cpufreq_device->cpufreq_val = clip_freq;
+	notify_device = cpufreq_device;
+
+	for_each_cpu(cpuid, maskPtr) {
+		if (is_cpufreq_valid(cpuid))
+			cpufreq_update_policy(cpuid);
+	}
+
+	notify_device = NOTIFY_INVALID;
+
+	return 0;
+}
+
+/**
+ * cpufreq_thermal_notifier - notifier callback for cpufreq policy change.
+ * @nb:	struct notifier_block * with callback info.
+ * @event: value showing cpufreq event for which this function invoked.
+ * @data: callback-specific data
+ */
+static int cpufreq_thermal_notifier(struct notifier_block *nb,
+					unsigned long event, void *data)
+{
+	struct cpufreq_policy *policy = data;
+	unsigned long max_freq = 0;
+
+	if (event != CPUFREQ_ADJUST || notify_device == NOTIFY_INVALID)
+		return 0;
+
+	if (cpumask_test_cpu(policy->cpu, &notify_device->allowed_cpus))
+		max_freq = notify_device->cpufreq_val;
+
+	/* Never exceed user_policy.max*/
+	if (max_freq > policy->user_policy.max)
+		max_freq = policy->user_policy.max;
+
+	if (policy->max != max_freq)
+		cpufreq_verify_within_limits(policy, 0, max_freq);
+
+	return 0;
+}
+
+/*
+ * cpufreq cooling device callback functions are defined below
+ */
+
+/**
+ * cpufreq_get_max_state - callback function to get the max cooling state.
+ * @cdev: thermal cooling device pointer.
+ * @state: fill this variable with the max cooling state.
+ */
+static int cpufreq_get_max_state(struct thermal_cooling_device *cdev,
+				 unsigned long *state)
+{
+	int ret = -EINVAL, i = 0;
+	struct cpufreq_cooling_device *cpufreq_device;
+	struct cpumask *maskPtr;
+	unsigned int cpu;
+	struct cpufreq_frequency_table *table;
+
+	mutex_lock(&cooling_cpufreq_lock);
+	list_for_each_entry(cpufreq_device, &cooling_cpufreq_list, node) {
+		if (cpufreq_device && cpufreq_device->cool_dev == cdev)
+			break;
+	}
+	if (cpufreq_device == NULL)
+		goto return_get_max_state;
+
+	maskPtr = &cpufreq_device->allowed_cpus;
+	cpu = cpumask_any(maskPtr);
+	table = cpufreq_frequency_get_table(cpu);
+	if (!table) {
+		*state = 0;
+		ret = 0;
+		goto return_get_max_state;
+	}
+
+	while (table[i].frequency != CPUFREQ_TABLE_END) {
+		if (table[i].frequency == CPUFREQ_ENTRY_INVALID)
+			continue;
+		i++;
+	}
+	if (i > 0) {
+		*state = --i;
+		ret = 0;
+	}
+
+return_get_max_state:
+	mutex_unlock(&cooling_cpufreq_lock);
+	return ret;
+}
+
+/**
+ * cpufreq_get_cur_state - callback function to get the current cooling state.
+ * @cdev: thermal cooling device pointer.
+ * @state: fill this variable with the current cooling state.
+ */
+static int cpufreq_get_cur_state(struct thermal_cooling_device *cdev,
+				 unsigned long *state)
+{
+	int ret = -EINVAL;
+	struct cpufreq_cooling_device *cpufreq_device;
+
+	mutex_lock(&cooling_cpufreq_lock);
+	list_for_each_entry(cpufreq_device, &cooling_cpufreq_list, node) {
+		if (cpufreq_device && cpufreq_device->cool_dev == cdev) {
+			*state = cpufreq_device->cpufreq_state;
+			ret = 0;
+			break;
+		}
+	}
+	mutex_unlock(&cooling_cpufreq_lock);
+
+	return ret;
+}
+
+/**
+ * cpufreq_set_cur_state - callback function to set the current cooling state.
+ * @cdev: thermal cooling device pointer.
+ * @state: set this variable to the current cooling state.
+ */
+static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
+				 unsigned long state)
+{
+	int ret = -EINVAL;
+	struct cpufreq_cooling_device *cpufreq_device;
+
+	mutex_lock(&cooling_cpufreq_lock);
+	list_for_each_entry(cpufreq_device, &cooling_cpufreq_list, node) {
+		if (cpufreq_device && cpufreq_device->cool_dev == cdev) {
+			ret = 0;
+			break;
+		}
+	}
+	if (!ret)
+		ret = cpufreq_apply_cooling(cpufreq_device, state);
+
+	mutex_unlock(&cooling_cpufreq_lock);
+
+	return ret;
+}
+
+/* Bind cpufreq callbacks to thermal cooling device ops */
+static struct thermal_cooling_device_ops const cpufreq_cooling_ops = {
+	.get_max_state = cpufreq_get_max_state,
+	.get_cur_state = cpufreq_get_cur_state,
+	.set_cur_state = cpufreq_set_cur_state,
+};
+
+/* Notifier for cpufreq policy change */
+static struct notifier_block thermal_cpufreq_notifier_block = {
+	.notifier_call = cpufreq_thermal_notifier,
+};
+
+/**
+ * cpufreq_cooling_register - function to create cpufreq cooling device.
+ * @clip_cpus: cpumask of cpus where the frequency constraints will happen.
+ */
+struct thermal_cooling_device *cpufreq_cooling_register(
+	struct cpumask *clip_cpus)
+{
+	struct thermal_cooling_device *cool_dev;
+	struct cpufreq_cooling_device *cpufreq_dev = NULL;
+	unsigned int cpufreq_dev_count = 0, min = 0, max = 0;
+	char dev_name[THERMAL_NAME_LENGTH];
+	int ret = 0, i;
+	struct cpufreq_policy policy;
+
+	list_for_each_entry(cpufreq_dev, &cooling_cpufreq_list, node)
+		cpufreq_dev_count++;
+
+	/*Verify that all the clip cpus have same freq_min, freq_max limit*/
+	for_each_cpu(i, clip_cpus) {
+		/*continue if cpufreq policy not found and not return error*/
+		if (!cpufreq_get_policy(&policy, i))
+			continue;
+		if (min == 0 && max == 0) {
+			min = policy.cpuinfo.min_freq;
+			max = policy.cpuinfo.max_freq;
+		} else {
+			if (min != policy.cpuinfo.min_freq ||
+				max != policy.cpuinfo.max_freq)
+				return ERR_PTR(-EINVAL);
+}
+	}
+	cpufreq_dev = kzalloc(sizeof(struct cpufreq_cooling_device),
+			GFP_KERNEL);
+	if (!cpufreq_dev)
+		return ERR_PTR(-ENOMEM);
+
+	cpumask_copy(&cpufreq_dev->allowed_cpus, clip_cpus);
+
+	if (cpufreq_dev_count == 0)
+		mutex_init(&cooling_cpufreq_lock);
+
+	ret = get_idr(&cpufreq_idr, &cpufreq_dev->id);
+	if (ret) {
+		kfree(cpufreq_dev);
+		return ERR_PTR(-EINVAL);
+	}
+
+	sprintf(dev_name, "thermal-cpufreq-%d", cpufreq_dev->id);
+
+	cool_dev = thermal_cooling_device_register(dev_name, cpufreq_dev,
+						&cpufreq_cooling_ops);
+	if (!cool_dev) {
+		release_idr(&cpufreq_idr, cpufreq_dev->id);
+		kfree(cpufreq_dev);
+		return ERR_PTR(-EINVAL);
+	}
+	cpufreq_dev->cool_dev = cool_dev;
+	cpufreq_dev->cpufreq_state = 0;
+	mutex_lock(&cooling_cpufreq_lock);
+	list_add_tail(&cpufreq_dev->node, &cooling_cpufreq_list);
+
+	/* Register the notifier for first cpufreq cooling device */
+	if (cpufreq_dev_count == 0)
+		cpufreq_register_notifier(&thermal_cpufreq_notifier_block,
+						CPUFREQ_POLICY_NOTIFIER);
+
+	mutex_unlock(&cooling_cpufreq_lock);
+	return cool_dev;
+}
+EXPORT_SYMBOL(cpufreq_cooling_register);
+
+/**
+ * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
+ * @cdev: thermal cooling device pointer.
+ */
+void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
+{
+	struct cpufreq_cooling_device *cpufreq_dev = NULL;
+	unsigned int cpufreq_dev_count = 0;
+
+	mutex_lock(&cooling_cpufreq_lock);
+	list_for_each_entry(cpufreq_dev, &cooling_cpufreq_list, node) {
+		if (cpufreq_dev && cpufreq_dev->cool_dev == cdev)
+			break;
+		cpufreq_dev_count++;
+	}
+
+	if (!cpufreq_dev || cpufreq_dev->cool_dev != cdev) {
+		mutex_unlock(&cooling_cpufreq_lock);
+		return;
+	}
+
+	list_del(&cpufreq_dev->node);
+
+	/* Unregister the notifier for the last cpufreq cooling device */
+	if (cpufreq_dev_count == 1) {
+		cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block,
+					CPUFREQ_POLICY_NOTIFIER);
+	}
+	mutex_unlock(&cooling_cpufreq_lock);
+	thermal_cooling_device_unregister(cpufreq_dev->cool_dev);
+	release_idr(&cpufreq_idr, cpufreq_dev->id);
+	if (cpufreq_dev_count == 1)
+		mutex_destroy(&cooling_cpufreq_lock);
+	kfree(cpufreq_dev);
+}
+EXPORT_SYMBOL(cpufreq_cooling_unregister);
diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
new file mode 100644
index 00000000000..6dd29e4ce36
--- /dev/null
+++ b/drivers/thermal/exynos_thermal.c
@@ -0,0 +1,997 @@
+/*
+ * exynos_thermal.c - Samsung EXYNOS TMU (Thermal Management Unit)
+ *
+ *  Copyright (C) 2011 Samsung Electronics
+ *  Donggeun Kim <dg77.kim@samsung.com>
+ *  Amit Daniel Kachhap <amit.kachhap@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/workqueue.h>
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+#include <linux/platform_data/exynos_thermal.h>
+#include <linux/thermal.h>
+#include <linux/cpufreq.h>
+#include <linux/cpu_cooling.h>
+#include <linux/of.h>
+
+#include <plat/cpu.h>
+
+/* Exynos generic registers */
+#define EXYNOS_TMU_REG_TRIMINFO		0x0
+#define EXYNOS_TMU_REG_CONTROL		0x20
+#define EXYNOS_TMU_REG_STATUS		0x28
+#define EXYNOS_TMU_REG_CURRENT_TEMP	0x40
+#define EXYNOS_TMU_REG_INTEN		0x70
+#define EXYNOS_TMU_REG_INTSTAT		0x74
+#define EXYNOS_TMU_REG_INTCLEAR		0x78
+
+#define EXYNOS_TMU_TRIM_TEMP_MASK	0xff
+#define EXYNOS_TMU_GAIN_SHIFT		8
+#define EXYNOS_TMU_REF_VOLTAGE_SHIFT	24
+#define EXYNOS_TMU_CORE_ON		3
+#define EXYNOS_TMU_CORE_OFF		2
+#define EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET	50
+
+/* Exynos4210 specific registers */
+#define EXYNOS4210_TMU_REG_THRESHOLD_TEMP	0x44
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL0	0x50
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL1	0x54
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL2	0x58
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL3	0x5C
+#define EXYNOS4210_TMU_REG_PAST_TEMP0	0x60
+#define EXYNOS4210_TMU_REG_PAST_TEMP1	0x64
+#define EXYNOS4210_TMU_REG_PAST_TEMP2	0x68
+#define EXYNOS4210_TMU_REG_PAST_TEMP3	0x6C
+
+#define EXYNOS4210_TMU_TRIG_LEVEL0_MASK	0x1
+#define EXYNOS4210_TMU_TRIG_LEVEL1_MASK	0x10
+#define EXYNOS4210_TMU_TRIG_LEVEL2_MASK	0x100
+#define EXYNOS4210_TMU_TRIG_LEVEL3_MASK	0x1000
+#define EXYNOS4210_TMU_INTCLEAR_VAL	0x1111
+
+/* Exynos5250 and Exynos4412 specific registers */
+#define EXYNOS_TMU_TRIMINFO_CON	0x14
+#define EXYNOS_THD_TEMP_RISE		0x50
+#define EXYNOS_THD_TEMP_FALL		0x54
+#define EXYNOS_EMUL_CON		0x80
+
+#define EXYNOS_TRIMINFO_RELOAD		0x1
+#define EXYNOS_TMU_CLEAR_RISE_INT	0x111
+#define EXYNOS_TMU_CLEAR_FALL_INT	(0x111 << 16)
+#define EXYNOS_MUX_ADDR_VALUE		6
+#define EXYNOS_MUX_ADDR_SHIFT		20
+#define EXYNOS_TMU_TRIP_MODE_SHIFT	13
+
+#define EFUSE_MIN_VALUE 40
+#define EFUSE_MAX_VALUE 100
+
+/* In-kernel thermal framework related macros & definations */
+#define SENSOR_NAME_LEN	16
+#define MAX_TRIP_COUNT	8
+#define MAX_COOLING_DEVICE 4
+
+#define ACTIVE_INTERVAL 500
+#define IDLE_INTERVAL 10000
+#define MCELSIUS	1000
+
+/* CPU Zone information */
+#define PANIC_ZONE      4
+#define WARN_ZONE       3
+#define MONITOR_ZONE    2
+#define SAFE_ZONE       1
+
+#define GET_ZONE(trip) (trip + 2)
+#define GET_TRIP(zone) (zone - 2)
+
+#define EXYNOS_ZONE_COUNT	3
+
+struct exynos_tmu_data {
+	struct exynos_tmu_platform_data *pdata;
+	struct resource *mem;
+	void __iomem *base;
+	int irq;
+	enum soc_type soc;
+	struct work_struct irq_work;
+	struct mutex lock;
+	struct clk *clk;
+	u8 temp_error1, temp_error2;
+};
+
+struct	thermal_trip_point_conf {
+	int trip_val[MAX_TRIP_COUNT];
+	int trip_count;
+};
+
+struct	thermal_cooling_conf {
+	struct freq_clip_table freq_data[MAX_TRIP_COUNT];
+	int freq_clip_count;
+};
+
+struct thermal_sensor_conf {
+	char name[SENSOR_NAME_LEN];
+	int (*read_temperature)(void *data);
+	struct thermal_trip_point_conf trip_data;
+	struct thermal_cooling_conf cooling_data;
+	void *private_data;
+};
+
+struct exynos_thermal_zone {
+	enum thermal_device_mode mode;
+	struct thermal_zone_device *therm_dev;
+	struct thermal_cooling_device *cool_dev[MAX_COOLING_DEVICE];
+	unsigned int cool_dev_size;
+	struct platform_device *exynos4_dev;
+	struct thermal_sensor_conf *sensor_conf;
+	bool bind;
+};
+
+static struct exynos_thermal_zone *th_zone;
+static void exynos_unregister_thermal(void);
+static int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf);
+
+/* Get mode callback functions for thermal zone */
+static int exynos_get_mode(struct thermal_zone_device *thermal,
+			enum thermal_device_mode *mode)
+{
+	if (th_zone)
+		*mode = th_zone->mode;
+	return 0;
+}
+
+/* Set mode callback functions for thermal zone */
+static int exynos_set_mode(struct thermal_zone_device *thermal,
+			enum thermal_device_mode mode)
+{
+	if (!th_zone->therm_dev) {
+		pr_notice("thermal zone not registered\n");
+		return 0;
+	}
+
+	mutex_lock(&th_zone->therm_dev->lock);
+
+	if (mode == THERMAL_DEVICE_ENABLED)
+		th_zone->therm_dev->polling_delay = IDLE_INTERVAL;
+	else
+		th_zone->therm_dev->polling_delay = 0;
+
+	mutex_unlock(&th_zone->therm_dev->lock);
+
+	th_zone->mode = mode;
+	thermal_zone_device_update(th_zone->therm_dev);
+	pr_info("thermal polling set for duration=%d msec\n",
+				th_zone->therm_dev->polling_delay);
+	return 0;
+}
+
+
+/* Get trip type callback functions for thermal zone */
+static int exynos_get_trip_type(struct thermal_zone_device *thermal, int trip,
+				 enum thermal_trip_type *type)
+{
+	switch (GET_ZONE(trip)) {
+	case MONITOR_ZONE:
+	case WARN_ZONE:
+		*type = THERMAL_TRIP_ACTIVE;
+		break;
+	case PANIC_ZONE:
+		*type = THERMAL_TRIP_CRITICAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+/* Get trip temperature callback functions for thermal zone */
+static int exynos_get_trip_temp(struct thermal_zone_device *thermal, int trip,
+				unsigned long *temp)
+{
+	if (trip < GET_TRIP(MONITOR_ZONE) || trip > GET_TRIP(PANIC_ZONE))
+		return -EINVAL;
+
+	*temp = th_zone->sensor_conf->trip_data.trip_val[trip];
+	/* convert the temperature into millicelsius */
+	*temp = *temp * MCELSIUS;
+
+	return 0;
+}
+
+/* Get critical temperature callback functions for thermal zone */
+static int exynos_get_crit_temp(struct thermal_zone_device *thermal,
+				unsigned long *temp)
+{
+	int ret;
+	/* Panic zone */
+	ret = exynos_get_trip_temp(thermal, GET_TRIP(PANIC_ZONE), temp);
+	return ret;
+}
+
+static int exynos_get_frequency_level(unsigned int cpu, unsigned int freq)
+{
+	int i = 0, ret = -EINVAL;
+	struct cpufreq_frequency_table *table = NULL;
+#ifdef CONFIG_CPU_FREQ
+	table = cpufreq_frequency_get_table(cpu);
+#endif
+	if (!table)
+		return ret;
+
+	while (table[i].frequency != CPUFREQ_TABLE_END) {
+		if (table[i].frequency == CPUFREQ_ENTRY_INVALID)
+			continue;
+		if (table[i].frequency == freq)
+			return i;
+		i++;
+	}
+	return ret;
+}
+
+/* Bind callback functions for thermal zone */
+static int exynos_bind(struct thermal_zone_device *thermal,
+			struct thermal_cooling_device *cdev)
+{
+	int ret = 0, i, tab_size, level;
+	struct freq_clip_table *tab_ptr, *clip_data;
+	struct thermal_sensor_conf *data = th_zone->sensor_conf;
+
+	tab_ptr = (struct freq_clip_table *)data->cooling_data.freq_data;
+	tab_size = data->cooling_data.freq_clip_count;
+
+	if (tab_ptr == NULL || tab_size == 0)
+		return -EINVAL;
+
+	/* find the cooling device registered*/
+	for (i = 0; i < th_zone->cool_dev_size; i++)
+		if (cdev == th_zone->cool_dev[i])
+			break;
+
+	/* No matching cooling device */
+	if (i == th_zone->cool_dev_size)
+		return 0;
+
+	/* Bind the thermal zone to the cpufreq cooling device */
+	for (i = 0; i < tab_size; i++) {
+		clip_data = (struct freq_clip_table *)&(tab_ptr[i]);
+		level = exynos_get_frequency_level(0, clip_data->freq_clip_max);
+		if (level < 0)
+			return 0;
+		switch (GET_ZONE(i)) {
+		case MONITOR_ZONE:
+		case WARN_ZONE:
+			if (thermal_zone_bind_cooling_device(thermal, i, cdev,
+								level, level)) {
+				pr_err("error binding cdev inst %d\n", i);
+				ret = -EINVAL;
+			}
+			th_zone->bind = true;
+			break;
+		default:
+			ret = -EINVAL;
+		}
+	}
+
+	return ret;
+}
+
+/* Unbind callback functions for thermal zone */
+static int exynos_unbind(struct thermal_zone_device *thermal,
+			struct thermal_cooling_device *cdev)
+{
+	int ret = 0, i, tab_size;
+	struct thermal_sensor_conf *data = th_zone->sensor_conf;
+
+	if (th_zone->bind == false)
+		return 0;
+
+	tab_size = data->cooling_data.freq_clip_count;
+
+	if (tab_size == 0)
+		return -EINVAL;
+
+	/* find the cooling device registered*/
+	for (i = 0; i < th_zone->cool_dev_size; i++)
+		if (cdev == th_zone->cool_dev[i])
+			break;
+
+	/* No matching cooling device */
+	if (i == th_zone->cool_dev_size)
+		return 0;
+
+	/* Bind the thermal zone to the cpufreq cooling device */
+	for (i = 0; i < tab_size; i++) {
+		switch (GET_ZONE(i)) {
+		case MONITOR_ZONE:
+		case WARN_ZONE:
+			if (thermal_zone_unbind_cooling_device(thermal, i,
+								cdev)) {
+				pr_err("error unbinding cdev inst=%d\n", i);
+				ret = -EINVAL;
+			}
+			th_zone->bind = false;
+			break;
+		default:
+			ret = -EINVAL;
+		}
+	}
+	return ret;
+}
+
+/* Get temperature callback functions for thermal zone */
+static int exynos_get_temp(struct thermal_zone_device *thermal,
+			unsigned long *temp)
+{
+	void *data;
+
+	if (!th_zone->sensor_conf) {
+		pr_info("Temperature sensor not initialised\n");
+		return -EINVAL;
+	}
+	data = th_zone->sensor_conf->private_data;
+	*temp = th_zone->sensor_conf->read_temperature(data);
+	/* convert the temperature into millicelsius */
+	*temp = *temp * MCELSIUS;
+	return 0;
+}
+
+/* Get the temperature trend */
+static int exynos_get_trend(struct thermal_zone_device *thermal,
+			int trip, enum thermal_trend *trend)
+{
+	if (thermal->temperature >= trip)
+		*trend = THERMAL_TREND_RAISING;
+	else
+		*trend = THERMAL_TREND_DROPPING;
+
+	return 0;
+}
+/* Operation callback functions for thermal zone */
+static struct thermal_zone_device_ops const exynos_dev_ops = {
+	.bind = exynos_bind,
+	.unbind = exynos_unbind,
+	.get_temp = exynos_get_temp,
+	.get_trend = exynos_get_trend,
+	.get_mode = exynos_get_mode,
+	.set_mode = exynos_set_mode,
+	.get_trip_type = exynos_get_trip_type,
+	.get_trip_temp = exynos_get_trip_temp,
+	.get_crit_temp = exynos_get_crit_temp,
+};
+
+/*
+ * This function may be called from interrupt based temperature sensor
+ * when threshold is changed.
+ */
+static void exynos_report_trigger(void)
+{
+	unsigned int i;
+	char data[10];
+	char *envp[] = { data, NULL };
+
+	if (!th_zone || !th_zone->therm_dev)
+		return;
+	if (th_zone->bind == false) {
+		for (i = 0; i < th_zone->cool_dev_size; i++) {
+			if (!th_zone->cool_dev[i])
+				continue;
+			exynos_bind(th_zone->therm_dev,
+					th_zone->cool_dev[i]);
+		}
+	}
+
+	thermal_zone_device_update(th_zone->therm_dev);
+
+	mutex_lock(&th_zone->therm_dev->lock);
+	/* Find the level for which trip happened */
+	for (i = 0; i < th_zone->sensor_conf->trip_data.trip_count; i++) {
+		if (th_zone->therm_dev->last_temperature <
+			th_zone->sensor_conf->trip_data.trip_val[i] * MCELSIUS)
+			break;
+	}
+
+	if (th_zone->mode == THERMAL_DEVICE_ENABLED) {
+		if (i > 0)
+			th_zone->therm_dev->polling_delay = ACTIVE_INTERVAL;
+		else
+			th_zone->therm_dev->polling_delay = IDLE_INTERVAL;
+	}
+
+	snprintf(data, sizeof(data), "%u", i);
+	kobject_uevent_env(&th_zone->therm_dev->device.kobj, KOBJ_CHANGE, envp);
+	mutex_unlock(&th_zone->therm_dev->lock);
+}
+
+/* Register with the in-kernel thermal management */
+static int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf)
+{
+	int ret;
+	struct cpumask mask_val;
+
+	if (!sensor_conf || !sensor_conf->read_temperature) {
+		pr_err("Temperature sensor not initialised\n");
+		return -EINVAL;
+	}
+
+	th_zone = kzalloc(sizeof(struct exynos_thermal_zone), GFP_KERNEL);
+	if (!th_zone)
+		return -ENOMEM;
+
+	th_zone->sensor_conf = sensor_conf;
+	cpumask_set_cpu(0, &mask_val);
+	th_zone->cool_dev[0] = cpufreq_cooling_register(&mask_val);
+	if (IS_ERR(th_zone->cool_dev[0])) {
+		pr_err("Failed to register cpufreq cooling device\n");
+		ret = -EINVAL;
+		goto err_unregister;
+	}
+	th_zone->cool_dev_size++;
+
+	th_zone->therm_dev = thermal_zone_device_register(sensor_conf->name,
+			EXYNOS_ZONE_COUNT, 0, NULL, &exynos_dev_ops, 0,
+			IDLE_INTERVAL);
+
+	if (IS_ERR(th_zone->therm_dev)) {
+		pr_err("Failed to register thermal zone device\n");
+		ret = -EINVAL;
+		goto err_unregister;
+	}
+	th_zone->mode = THERMAL_DEVICE_ENABLED;
+
+	pr_info("Exynos: Kernel Thermal management registered\n");
+
+	return 0;
+
+err_unregister:
+	exynos_unregister_thermal();
+	return ret;
+}
+
+/* Un-Register with the in-kernel thermal management */
+static void exynos_unregister_thermal(void)
+{
+	int i;
+
+	if (!th_zone)
+		return;
+
+	if (th_zone->therm_dev)
+		thermal_zone_device_unregister(th_zone->therm_dev);
+
+	for (i = 0; i < th_zone->cool_dev_size; i++) {
+		if (th_zone->cool_dev[i])
+			cpufreq_cooling_unregister(th_zone->cool_dev[i]);
+	}
+
+	kfree(th_zone);
+	pr_info("Exynos: Kernel Thermal management unregistered\n");
+}
+
+/*
+ * TMU treats temperature as a mapped temperature code.
+ * The temperature is converted differently depending on the calibration type.
+ */
+static int temp_to_code(struct exynos_tmu_data *data, u8 temp)
+{
+	struct exynos_tmu_platform_data *pdata = data->pdata;
+	int temp_code;
+
+	if (data->soc == SOC_ARCH_EXYNOS4210)
+		/* temp should range between 25 and 125 */
+		if (temp < 25 || temp > 125) {
+			temp_code = -EINVAL;
+			goto out;
+		}
+
+	switch (pdata->cal_type) {
+	case TYPE_TWO_POINT_TRIMMING:
+		temp_code = (temp - 25) *
+		    (data->temp_error2 - data->temp_error1) /
+		    (85 - 25) + data->temp_error1;
+		break;
+	case TYPE_ONE_POINT_TRIMMING:
+		temp_code = temp + data->temp_error1 - 25;
+		break;
+	default:
+		temp_code = temp + EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET;
+		break;
+	}
+out:
+	return temp_code;
+}
+
+/*
+ * Calculate a temperature value from a temperature code.
+ * The unit of the temperature is degree Celsius.
+ */
+static int code_to_temp(struct exynos_tmu_data *data, u8 temp_code)
+{
+	struct exynos_tmu_platform_data *pdata = data->pdata;
+	int temp;
+
+	if (data->soc == SOC_ARCH_EXYNOS4210)
+		/* temp_code should range between 75 and 175 */
+		if (temp_code < 75 || temp_code > 175) {
+			temp = -ENODATA;
+			goto out;
+		}
+
+	switch (pdata->cal_type) {
+	case TYPE_TWO_POINT_TRIMMING:
+		temp = (temp_code - data->temp_error1) * (85 - 25) /
+		    (data->temp_error2 - data->temp_error1) + 25;
+		break;
+	case TYPE_ONE_POINT_TRIMMING:
+		temp = temp_code - data->temp_error1 + 25;
+		break;
+	default:
+		temp = temp_code - EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET;
+		break;
+	}
+out:
+	return temp;
+}
+
+static int exynos_tmu_initialize(struct platform_device *pdev)
+{
+	struct exynos_tmu_data *data = platform_get_drvdata(pdev);
+	struct exynos_tmu_platform_data *pdata = data->pdata;
+	unsigned int status, trim_info, rising_threshold;
+	int ret = 0, threshold_code;
+
+	mutex_lock(&data->lock);
+	clk_enable(data->clk);
+
+	status = readb(data->base + EXYNOS_TMU_REG_STATUS);
+	if (!status) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	if (data->soc == SOC_ARCH_EXYNOS) {
+		__raw_writel(EXYNOS_TRIMINFO_RELOAD,
+				data->base + EXYNOS_TMU_TRIMINFO_CON);
+	}
+	/* Save trimming info in order to perform calibration */
+	trim_info = readl(data->base + EXYNOS_TMU_REG_TRIMINFO);
+	data->temp_error1 = trim_info & EXYNOS_TMU_TRIM_TEMP_MASK;
+	data->temp_error2 = ((trim_info >> 8) & EXYNOS_TMU_TRIM_TEMP_MASK);
+
+	if ((EFUSE_MIN_VALUE > data->temp_error1) ||
+			(data->temp_error1 > EFUSE_MAX_VALUE) ||
+			(data->temp_error2 != 0))
+		data->temp_error1 = pdata->efuse_value;
+
+	if (data->soc == SOC_ARCH_EXYNOS4210) {
+		/* Write temperature code for threshold */
+		threshold_code = temp_to_code(data, pdata->threshold);
+		if (threshold_code < 0) {
+			ret = threshold_code;
+			goto out;
+		}
+		writeb(threshold_code,
+			data->base + EXYNOS4210_TMU_REG_THRESHOLD_TEMP);
+
+		writeb(pdata->trigger_levels[0],
+			data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL0);
+		writeb(pdata->trigger_levels[1],
+			data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL1);
+		writeb(pdata->trigger_levels[2],
+			data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL2);
+		writeb(pdata->trigger_levels[3],
+			data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL3);
+
+		writel(EXYNOS4210_TMU_INTCLEAR_VAL,
+			data->base + EXYNOS_TMU_REG_INTCLEAR);
+	} else if (data->soc == SOC_ARCH_EXYNOS) {
+		/* Write temperature code for threshold */
+		threshold_code = temp_to_code(data, pdata->trigger_levels[0]);
+		if (threshold_code < 0) {
+			ret = threshold_code;
+			goto out;
+		}
+		rising_threshold = threshold_code;
+		threshold_code = temp_to_code(data, pdata->trigger_levels[1]);
+		if (threshold_code < 0) {
+			ret = threshold_code;
+			goto out;
+		}
+		rising_threshold |= (threshold_code << 8);
+		threshold_code = temp_to_code(data, pdata->trigger_levels[2]);
+		if (threshold_code < 0) {
+			ret = threshold_code;
+			goto out;
+		}
+		rising_threshold |= (threshold_code << 16);
+
+		writel(rising_threshold,
+				data->base + EXYNOS_THD_TEMP_RISE);
+		writel(0, data->base + EXYNOS_THD_TEMP_FALL);
+
+		writel(EXYNOS_TMU_CLEAR_RISE_INT|EXYNOS_TMU_CLEAR_FALL_INT,
+				data->base + EXYNOS_TMU_REG_INTCLEAR);
+	}
+out:
+	clk_disable(data->clk);
+	mutex_unlock(&data->lock);
+
+	return ret;
+}
+
+static void exynos_tmu_control(struct platform_device *pdev, bool on)
+{
+	struct exynos_tmu_data *data = platform_get_drvdata(pdev);
+	struct exynos_tmu_platform_data *pdata = data->pdata;
+	unsigned int con, interrupt_en;
+
+	mutex_lock(&data->lock);
+	clk_enable(data->clk);
+
+	con = pdata->reference_voltage << EXYNOS_TMU_REF_VOLTAGE_SHIFT |
+		pdata->gain << EXYNOS_TMU_GAIN_SHIFT;
+
+	if (data->soc == SOC_ARCH_EXYNOS) {
+		con |= pdata->noise_cancel_mode << EXYNOS_TMU_TRIP_MODE_SHIFT;
+		con |= (EXYNOS_MUX_ADDR_VALUE << EXYNOS_MUX_ADDR_SHIFT);
+	}
+
+	if (on) {
+		con |= EXYNOS_TMU_CORE_ON;
+		interrupt_en = pdata->trigger_level3_en << 12 |
+			pdata->trigger_level2_en << 8 |
+			pdata->trigger_level1_en << 4 |
+			pdata->trigger_level0_en;
+	} else {
+		con |= EXYNOS_TMU_CORE_OFF;
+		interrupt_en = 0; /* Disable all interrupts */
+	}
+	writel(interrupt_en, data->base + EXYNOS_TMU_REG_INTEN);
+	writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
+
+	clk_disable(data->clk);
+	mutex_unlock(&data->lock);
+}
+
+static int exynos_tmu_read(struct exynos_tmu_data *data)
+{
+	u8 temp_code;
+	int temp;
+
+	mutex_lock(&data->lock);
+	clk_enable(data->clk);
+
+	temp_code = readb(data->base + EXYNOS_TMU_REG_CURRENT_TEMP);
+	temp = code_to_temp(data, temp_code);
+
+	clk_disable(data->clk);
+	mutex_unlock(&data->lock);
+
+	return temp;
+}
+
+static void exynos_tmu_work(struct work_struct *work)
+{
+	struct exynos_tmu_data *data = container_of(work,
+			struct exynos_tmu_data, irq_work);
+
+	mutex_lock(&data->lock);
+	clk_enable(data->clk);
+
+
+	if (data->soc == SOC_ARCH_EXYNOS)
+		writel(EXYNOS_TMU_CLEAR_RISE_INT,
+				data->base + EXYNOS_TMU_REG_INTCLEAR);
+	else
+		writel(EXYNOS4210_TMU_INTCLEAR_VAL,
+				data->base + EXYNOS_TMU_REG_INTCLEAR);
+
+	clk_disable(data->clk);
+	mutex_unlock(&data->lock);
+	exynos_report_trigger();
+	enable_irq(data->irq);
+}
+
+static irqreturn_t exynos_tmu_irq(int irq, void *id)
+{
+	struct exynos_tmu_data *data = id;
+
+	disable_irq_nosync(irq);
+	schedule_work(&data->irq_work);
+
+	return IRQ_HANDLED;
+}
+static struct thermal_sensor_conf exynos_sensor_conf = {
+	.name			= "exynos-therm",
+	.read_temperature	= (int (*)(void *))exynos_tmu_read,
+};
+
+#if defined(CONFIG_CPU_EXYNOS4210)
+static struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
+	.threshold = 80,
+	.trigger_levels[0] = 5,
+	.trigger_levels[1] = 20,
+	.trigger_levels[2] = 30,
+	.trigger_level0_en = 1,
+	.trigger_level1_en = 1,
+	.trigger_level2_en = 1,
+	.trigger_level3_en = 0,
+	.gain = 15,
+	.reference_voltage = 7,
+	.cal_type = TYPE_ONE_POINT_TRIMMING,
+	.freq_tab[0] = {
+		.freq_clip_max = 800 * 1000,
+		.temp_level = 85,
+	},
+	.freq_tab[1] = {
+		.freq_clip_max = 200 * 1000,
+		.temp_level = 100,
+	},
+	.freq_tab_count = 2,
+	.type = SOC_ARCH_EXYNOS4210,
+};
+#define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data)
+#else
+#define EXYNOS4210_TMU_DRV_DATA (NULL)
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412)
+static struct exynos_tmu_platform_data const exynos_default_tmu_data = {
+	.trigger_levels[0] = 85,
+	.trigger_levels[1] = 103,
+	.trigger_levels[2] = 110,
+	.trigger_level0_en = 1,
+	.trigger_level1_en = 1,
+	.trigger_level2_en = 1,
+	.trigger_level3_en = 0,
+	.gain = 8,
+	.reference_voltage = 16,
+	.noise_cancel_mode = 4,
+	.cal_type = TYPE_ONE_POINT_TRIMMING,
+	.efuse_value = 55,
+	.freq_tab[0] = {
+		.freq_clip_max = 800 * 1000,
+		.temp_level = 85,
+	},
+	.freq_tab[1] = {
+		.freq_clip_max = 200 * 1000,
+		.temp_level = 103,
+	},
+	.freq_tab_count = 2,
+	.type = SOC_ARCH_EXYNOS,
+};
+#define EXYNOS_TMU_DRV_DATA (&exynos_default_tmu_data)
+#else
+#define EXYNOS_TMU_DRV_DATA (NULL)
+#endif
+
+#ifdef CONFIG_OF
+static const struct of_device_id exynos_tmu_match[] = {
+	{
+		.compatible = "samsung,exynos4210-tmu",
+		.data = (void *)EXYNOS4210_TMU_DRV_DATA,
+	},
+	{
+		.compatible = "samsung,exynos5250-tmu",
+		.data = (void *)EXYNOS_TMU_DRV_DATA,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, exynos_tmu_match);
+#else
+#define  exynos_tmu_match NULL
+#endif
+
+static struct platform_device_id exynos_tmu_driver_ids[] = {
+	{
+		.name		= "exynos4210-tmu",
+		.driver_data    = (kernel_ulong_t)EXYNOS4210_TMU_DRV_DATA,
+	},
+	{
+		.name		= "exynos5250-tmu",
+		.driver_data    = (kernel_ulong_t)EXYNOS_TMU_DRV_DATA,
+	},
+	{ },
+};
+MODULE_DEVICE_TABLE(platform, exynos_tmu_driver_ids);
+
+static inline struct  exynos_tmu_platform_data *exynos_get_driver_data(
+			struct platform_device *pdev)
+{
+#ifdef CONFIG_OF
+	if (pdev->dev.of_node) {
+		const struct of_device_id *match;
+		match = of_match_node(exynos_tmu_match, pdev->dev.of_node);
+		if (!match)
+			return NULL;
+		return (struct exynos_tmu_platform_data *) match->data;
+	}
+#endif
+	return (struct exynos_tmu_platform_data *)
+			platform_get_device_id(pdev)->driver_data;
+}
+static int __devinit exynos_tmu_probe(struct platform_device *pdev)
+{
+	struct exynos_tmu_data *data;
+	struct exynos_tmu_platform_data *pdata = pdev->dev.platform_data;
+	int ret, i;
+
+	if (!pdata)
+		pdata = exynos_get_driver_data(pdev);
+
+	if (!pdata) {
+		dev_err(&pdev->dev, "No platform init data supplied.\n");
+		return -ENODEV;
+	}
+	data = devm_kzalloc(&pdev->dev, sizeof(struct exynos_tmu_data),
+					GFP_KERNEL);
+	if (!data) {
+		dev_err(&pdev->dev, "Failed to allocate driver structure\n");
+		return -ENOMEM;
+	}
+
+	data->irq = platform_get_irq(pdev, 0);
+	if (data->irq < 0) {
+		dev_err(&pdev->dev, "Failed to get platform irq\n");
+		return data->irq;
+	}
+
+	INIT_WORK(&data->irq_work, exynos_tmu_work);
+
+	data->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!data->mem) {
+		dev_err(&pdev->dev, "Failed to get platform resource\n");
+		return -ENOENT;
+	}
+
+	data->base = devm_request_and_ioremap(&pdev->dev, data->mem);
+	if (!data->base) {
+		dev_err(&pdev->dev, "Failed to ioremap memory\n");
+		return -ENODEV;
+	}
+
+	ret = devm_request_irq(&pdev->dev, data->irq, exynos_tmu_irq,
+		IRQF_TRIGGER_RISING, "exynos-tmu", data);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to request irq: %d\n", data->irq);
+		return ret;
+	}
+
+	data->clk = clk_get(NULL, "tmu_apbif");
+	if (IS_ERR(data->clk)) {
+		dev_err(&pdev->dev, "Failed to get clock\n");
+		return  PTR_ERR(data->clk);
+	}
+
+	if (pdata->type == SOC_ARCH_EXYNOS ||
+				pdata->type == SOC_ARCH_EXYNOS4210)
+		data->soc = pdata->type;
+	else {
+		ret = -EINVAL;
+		dev_err(&pdev->dev, "Platform not supported\n");
+		goto err_clk;
+	}
+
+	data->pdata = pdata;
+	platform_set_drvdata(pdev, data);
+	mutex_init(&data->lock);
+
+	ret = exynos_tmu_initialize(pdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to initialize TMU\n");
+		goto err_clk;
+	}
+
+	exynos_tmu_control(pdev, true);
+
+	/* Register the sensor with thermal management interface */
+	(&exynos_sensor_conf)->private_data = data;
+	exynos_sensor_conf.trip_data.trip_count = pdata->trigger_level0_en +
+			pdata->trigger_level1_en + pdata->trigger_level2_en +
+			pdata->trigger_level3_en;
+
+	for (i = 0; i < exynos_sensor_conf.trip_data.trip_count; i++)
+		exynos_sensor_conf.trip_data.trip_val[i] =
+			pdata->threshold + pdata->trigger_levels[i];
+
+	exynos_sensor_conf.cooling_data.freq_clip_count =
+						pdata->freq_tab_count;
+	for (i = 0; i < pdata->freq_tab_count; i++) {
+		exynos_sensor_conf.cooling_data.freq_data[i].freq_clip_max =
+					pdata->freq_tab[i].freq_clip_max;
+		exynos_sensor_conf.cooling_data.freq_data[i].temp_level =
+					pdata->freq_tab[i].temp_level;
+	}
+
+	ret = exynos_register_thermal(&exynos_sensor_conf);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register thermal interface\n");
+		goto err_clk;
+	}
+	return 0;
+err_clk:
+	platform_set_drvdata(pdev, NULL);
+	clk_put(data->clk);
+	return ret;
+}
+
+static int __devexit exynos_tmu_remove(struct platform_device *pdev)
+{
+	struct exynos_tmu_data *data = platform_get_drvdata(pdev);
+
+	exynos_tmu_control(pdev, false);
+
+	exynos_unregister_thermal();
+
+	clk_put(data->clk);
+
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int exynos_tmu_suspend(struct device *dev)
+{
+	exynos_tmu_control(to_platform_device(dev), false);
+
+	return 0;
+}
+
+static int exynos_tmu_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	exynos_tmu_initialize(pdev);
+	exynos_tmu_control(pdev, true);
+
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(exynos_tmu_pm,
+			 exynos_tmu_suspend, exynos_tmu_resume);
+#define EXYNOS_TMU_PM	(&exynos_tmu_pm)
+#else
+#define EXYNOS_TMU_PM	NULL
+#endif
+
+static struct platform_driver exynos_tmu_driver = {
+	.driver = {
+		.name   = "exynos-tmu",
+		.owner  = THIS_MODULE,
+		.pm     = EXYNOS_TMU_PM,
+		.of_match_table = exynos_tmu_match,
+	},
+	.probe = exynos_tmu_probe,
+	.remove	= __devexit_p(exynos_tmu_remove),
+	.id_table = exynos_tmu_driver_ids,
+};
+
+module_platform_driver(exynos_tmu_driver);
+
+MODULE_DESCRIPTION("EXYNOS TMU Driver");
+MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:exynos-tmu");
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
new file mode 100644
index 00000000000..f7a1b574a30
--- /dev/null
+++ b/drivers/thermal/rcar_thermal.c
@@ -0,0 +1,260 @@
+/*
+ *  R-Car THS/TSC thermal sensor driver
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/thermal.h>
+
+#define THSCR	0x2c
+#define THSSR	0x30
+
+/* THSCR */
+#define CPTAP	0xf
+
+/* THSSR */
+#define CTEMP	0x3f
+
+
+struct rcar_thermal_priv {
+	void __iomem *base;
+	struct device *dev;
+	spinlock_t lock;
+	u32 comp;
+};
+
+/*
+ *		basic functions
+ */
+static u32 rcar_thermal_read(struct rcar_thermal_priv *priv, u32 reg)
+{
+	unsigned long flags;
+	u32 ret;
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	ret = ioread32(priv->base + reg);
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	return ret;
+}
+
+#if 0 /* no user at this point */
+static void rcar_thermal_write(struct rcar_thermal_priv *priv,
+			       u32 reg, u32 data)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	iowrite32(data, priv->base + reg);
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+#endif
+
+static void rcar_thermal_bset(struct rcar_thermal_priv *priv, u32 reg,
+			      u32 mask, u32 data)
+{
+	unsigned long flags;
+	u32 val;
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	val = ioread32(priv->base + reg);
+	val &= ~mask;
+	val |= (data & mask);
+	iowrite32(val, priv->base + reg);
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+/*
+ *		zone device functions
+ */
+static int rcar_thermal_get_temp(struct thermal_zone_device *zone,
+			   unsigned long *temp)
+{
+	struct rcar_thermal_priv *priv = zone->devdata;
+	int val, min, max, tmp;
+
+	tmp = -200; /* default */
+	while (1) {
+		if (priv->comp < 1 || priv->comp > 12) {
+			dev_err(priv->dev,
+				"THSSR invalid data (%d)\n", priv->comp);
+			priv->comp = 4; /* for next thermal */
+			return -EINVAL;
+		}
+
+		/*
+		 * THS comparator offset and the reference temperature
+		 *
+		 * Comparator	| reference	| Temperature field
+		 * offset	| temperature	| measurement
+		 *		| (degrees C)	| (degrees C)
+		 * -------------+---------------+-------------------
+		 *  1		|  -45		|  -45 to  -30
+		 *  2		|  -30		|  -30 to  -15
+		 *  3		|  -15		|  -15 to    0
+		 *  4		|    0		|    0 to  +15
+		 *  5		|  +15		|  +15 to  +30
+		 *  6		|  +30		|  +30 to  +45
+		 *  7		|  +45		|  +45 to  +60
+		 *  8		|  +60		|  +60 to  +75
+		 *  9		|  +75		|  +75 to  +90
+		 * 10		|  +90		|  +90 to +105
+		 * 11		| +105		| +105 to +120
+		 * 12		| +120		| +120 to +135
+		 */
+
+		/* calculate thermal limitation */
+		min = (priv->comp * 15) - 60;
+		max = min + 15;
+
+		/*
+		 * we need to wait 300us after changing comparator offset
+		 * to get stable temperature.
+		 * see "Usage Notes" on datasheet
+		 */
+		rcar_thermal_bset(priv, THSCR, CPTAP, priv->comp);
+		udelay(300);
+
+		/* calculate current temperature */
+		val = rcar_thermal_read(priv, THSSR) & CTEMP;
+		val = (val * 5) - 65;
+
+		dev_dbg(priv->dev, "comp/min/max/val = %d/%d/%d/%d\n",
+			priv->comp, min, max, val);
+
+		/*
+		 * If val is same as min/max, then,
+		 * it should try again on next comparator.
+		 * But the val might be correct temperature.
+		 * Keep it on "tmp" and compare with next val.
+		 */
+		if (tmp == val)
+			break;
+
+		if (val <= min) {
+			tmp = min;
+			priv->comp--; /* try again */
+		} else if (val >= max) {
+			tmp = max;
+			priv->comp++; /* try again */
+		} else {
+			tmp = val;
+			break;
+		}
+	}
+
+	*temp = tmp;
+	return 0;
+}
+
+static struct thermal_zone_device_ops rcar_thermal_zone_ops = {
+	.get_temp = rcar_thermal_get_temp,
+};
+
+/*
+ *		platform functions
+ */
+static int rcar_thermal_probe(struct platform_device *pdev)
+{
+	struct thermal_zone_device *zone;
+	struct rcar_thermal_priv *priv;
+	struct resource *res;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "Could not get platform resource\n");
+		return -ENODEV;
+	}
+
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv) {
+		dev_err(&pdev->dev, "Could not allocate priv\n");
+		return -ENOMEM;
+	}
+
+	priv->comp = 4; /* basic setup */
+	priv->dev = &pdev->dev;
+	spin_lock_init(&priv->lock);
+	priv->base = devm_ioremap_nocache(&pdev->dev,
+					  res->start, resource_size(res));
+	if (!priv->base) {
+		dev_err(&pdev->dev, "Unable to ioremap thermal register\n");
+		ret = -ENOMEM;
+		goto error_free_priv;
+	}
+
+	zone = thermal_zone_device_register("rcar_thermal", 0, 0, priv,
+					    &rcar_thermal_zone_ops, 0, 0);
+	if (IS_ERR(zone)) {
+		dev_err(&pdev->dev, "thermal zone device is NULL\n");
+		ret = PTR_ERR(zone);
+		goto error_iounmap;
+	}
+
+	platform_set_drvdata(pdev, zone);
+
+	dev_info(&pdev->dev, "proved\n");
+
+	return 0;
+
+error_iounmap:
+	devm_iounmap(&pdev->dev, priv->base);
+error_free_priv:
+	devm_kfree(&pdev->dev, priv);
+
+	return ret;
+}
+
+static int rcar_thermal_remove(struct platform_device *pdev)
+{
+	struct thermal_zone_device *zone = platform_get_drvdata(pdev);
+	struct rcar_thermal_priv *priv = zone->devdata;
+
+	thermal_zone_device_unregister(zone);
+	platform_set_drvdata(pdev, NULL);
+
+	devm_iounmap(&pdev->dev, priv->base);
+	devm_kfree(&pdev->dev, priv);
+
+	return 0;
+}
+
+static struct platform_driver rcar_thermal_driver = {
+	.driver	= {
+		.name	= "rcar_thermal",
+	},
+	.probe		= rcar_thermal_probe,
+	.remove		= rcar_thermal_remove,
+};
+module_platform_driver(rcar_thermal_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("R-Car THS/TSC thermal sensor driver");
+MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
index 5f8ee39f200..9bc969261d0 100644
--- a/drivers/thermal/spear_thermal.c
+++ b/drivers/thermal/spear_thermal.c
@@ -147,7 +147,7 @@ static int spear_thermal_probe(struct platform_device *pdev)
 	writel_relaxed(stdev->flags, stdev->thermal_base);
 
 	spear_thermal = thermal_zone_device_register("spear_thermal", 0, 0,
-				stdev, &ops, 0, 0, 0, 0);
+				stdev, &ops, 0, 0);
 	if (IS_ERR(spear_thermal)) {
 		dev_err(&pdev->dev, "thermal zone device is NULL\n");
 		ret = PTR_ERR(spear_thermal);
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index efd81bb25e0..9ee42ca4d28 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -41,15 +41,25 @@ MODULE_AUTHOR("Zhang Rui");
 MODULE_DESCRIPTION("Generic thermal management sysfs support");
 MODULE_LICENSE("GPL");
 
-struct thermal_cooling_device_instance {
+#define THERMAL_NO_TARGET -1UL
+/*
+ * This structure is used to describe the behavior of
+ * a certain cooling device on a certain trip point
+ * in a certain thermal zone
+ */
+struct thermal_instance {
 	int id;
 	char name[THERMAL_NAME_LENGTH];
 	struct thermal_zone_device *tz;
 	struct thermal_cooling_device *cdev;
 	int trip;
+	unsigned long upper;	/* Highest cooling state for this trip point */
+	unsigned long lower;	/* Lowest cooling state for this trip point */
+	unsigned long target;	/* expected cooling state */
 	char attr_name[THERMAL_NAME_LENGTH];
 	struct device_attribute attr;
-	struct list_head node;
+	struct list_head tz_node; /* node in tz->thermal_instances */
+	struct list_head cdev_node; /* node in cdev->thermal_instances */
 };
 
 static DEFINE_IDR(thermal_tz_idr);
@@ -308,8 +318,9 @@ passive_store(struct device *dev, struct device_attribute *attr,
 			if (!strncmp("Processor", cdev->type,
 				     sizeof("Processor")))
 				thermal_zone_bind_cooling_device(tz,
-								 THERMAL_TRIPS_NONE,
-								 cdev);
+						THERMAL_TRIPS_NONE, cdev,
+						THERMAL_NO_LIMIT,
+						THERMAL_NO_LIMIT);
 		}
 		mutex_unlock(&thermal_list_lock);
 		if (!tz->passive_delay)
@@ -327,9 +338,6 @@ passive_store(struct device *dev, struct device_attribute *attr,
 		tz->passive_delay = 0;
 	}
 
-	tz->tc1 = 1;
-	tz->tc2 = 1;
-
 	tz->forced_passive = state;
 
 	thermal_zone_device_update(tz);
@@ -425,10 +433,10 @@ static ssize_t
 thermal_cooling_device_trip_point_show(struct device *dev,
 				       struct device_attribute *attr, char *buf)
 {
-	struct thermal_cooling_device_instance *instance;
+	struct thermal_instance *instance;
 
 	instance =
-	    container_of(attr, struct thermal_cooling_device_instance, attr);
+	    container_of(attr, struct thermal_instance, attr);
 
 	if (instance->trip == THERMAL_TRIPS_NONE)
 		return sprintf(buf, "-1\n");
@@ -590,7 +598,7 @@ thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
 	temp->tz = tz;
 	hwmon->count++;
 
-	snprintf(temp->temp_input.name, THERMAL_NAME_LENGTH,
+	snprintf(temp->temp_input.name, sizeof(temp->temp_input.name),
 		 "temp%d_input", hwmon->count);
 	temp->temp_input.attr.attr.name = temp->temp_input.name;
 	temp->temp_input.attr.attr.mode = 0444;
@@ -603,7 +611,8 @@ thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
 	if (tz->ops->get_crit_temp) {
 		unsigned long temperature;
 		if (!tz->ops->get_crit_temp(tz, &temperature)) {
-			snprintf(temp->temp_crit.name, THERMAL_NAME_LENGTH,
+			snprintf(temp->temp_crit.name,
+				 sizeof(temp->temp_crit.name),
 				"temp%d_crit", hwmon->count);
 			temp->temp_crit.attr.attr.name = temp->temp_crit.name;
 			temp->temp_crit.attr.attr.mode = 0444;
@@ -704,74 +713,6 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz,
 		cancel_delayed_work(&tz->poll_queue);
 }
 
-static void thermal_zone_device_passive(struct thermal_zone_device *tz,
-					int temp, int trip_temp, int trip)
-{
-	int trend = 0;
-	struct thermal_cooling_device_instance *instance;
-	struct thermal_cooling_device *cdev;
-	long state, max_state;
-
-	/*
-	 * Above Trip?
-	 * -----------
-	 * Calculate the thermal trend (using the passive cooling equation)
-	 * and modify the performance limit for all passive cooling devices
-	 * accordingly.  Note that we assume symmetry.
-	 */
-	if (temp >= trip_temp) {
-		tz->passive = true;
-
-		trend = (tz->tc1 * (temp - tz->last_temperature)) +
-			(tz->tc2 * (temp - trip_temp));
-
-		/* Heating up? */
-		if (trend > 0) {
-			list_for_each_entry(instance, &tz->cooling_devices,
-					    node) {
-				if (instance->trip != trip)
-					continue;
-				cdev = instance->cdev;
-				cdev->ops->get_cur_state(cdev, &state);
-				cdev->ops->get_max_state(cdev, &max_state);
-				if (state++ < max_state)
-					cdev->ops->set_cur_state(cdev, state);
-			}
-		} else if (trend < 0) { /* Cooling off? */
-			list_for_each_entry(instance, &tz->cooling_devices,
-					    node) {
-				if (instance->trip != trip)
-					continue;
-				cdev = instance->cdev;
-				cdev->ops->get_cur_state(cdev, &state);
-				cdev->ops->get_max_state(cdev, &max_state);
-				if (state > 0)
-					cdev->ops->set_cur_state(cdev, --state);
-			}
-		}
-		return;
-	}
-
-	/*
-	 * Below Trip?
-	 * -----------
-	 * Implement passive cooling hysteresis to slowly increase performance
-	 * and avoid thrashing around the passive trip point.  Note that we
-	 * assume symmetry.
-	 */
-	list_for_each_entry(instance, &tz->cooling_devices, node) {
-		if (instance->trip != trip)
-			continue;
-		cdev = instance->cdev;
-		cdev->ops->get_cur_state(cdev, &state);
-		cdev->ops->get_max_state(cdev, &max_state);
-		if (state > 0)
-			cdev->ops->set_cur_state(cdev, --state);
-		if (state == 0)
-			tz->passive = false;
-	}
-}
-
 static void thermal_zone_device_check(struct work_struct *work)
 {
 	struct thermal_zone_device *tz = container_of(work, struct
@@ -791,12 +732,14 @@ static void thermal_zone_device_check(struct work_struct *work)
  */
 int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
 				     int trip,
-				     struct thermal_cooling_device *cdev)
+				     struct thermal_cooling_device *cdev,
+				     unsigned long upper, unsigned long lower)
 {
-	struct thermal_cooling_device_instance *dev;
-	struct thermal_cooling_device_instance *pos;
+	struct thermal_instance *dev;
+	struct thermal_instance *pos;
 	struct thermal_zone_device *pos1;
 	struct thermal_cooling_device *pos2;
+	unsigned long max_state;
 	int result;
 
 	if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE))
@@ -814,13 +757,26 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
 	if (tz != pos1 || cdev != pos2)
 		return -EINVAL;
 
+	cdev->ops->get_max_state(cdev, &max_state);
+
+	/* lower default 0, upper default max_state */
+	lower = lower == THERMAL_NO_LIMIT ? 0 : lower;
+	upper = upper == THERMAL_NO_LIMIT ? max_state : upper;
+
+	if (lower > upper || upper > max_state)
+		return -EINVAL;
+
 	dev =
-	    kzalloc(sizeof(struct thermal_cooling_device_instance), GFP_KERNEL);
+	    kzalloc(sizeof(struct thermal_instance), GFP_KERNEL);
 	if (!dev)
 		return -ENOMEM;
 	dev->tz = tz;
 	dev->cdev = cdev;
 	dev->trip = trip;
+	dev->upper = upper;
+	dev->lower = lower;
+	dev->target = THERMAL_NO_TARGET;
+
 	result = get_idr(&tz->idr, &tz->lock, &dev->id);
 	if (result)
 		goto free_mem;
@@ -841,13 +797,17 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
 		goto remove_symbol_link;
 
 	mutex_lock(&tz->lock);
-	list_for_each_entry(pos, &tz->cooling_devices, node)
+	mutex_lock(&cdev->lock);
+	list_for_each_entry(pos, &tz->thermal_instances, tz_node)
 	    if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev) {
 		result = -EEXIST;
 		break;
 	}
-	if (!result)
-		list_add_tail(&dev->node, &tz->cooling_devices);
+	if (!result) {
+		list_add_tail(&dev->tz_node, &tz->thermal_instances);
+		list_add_tail(&dev->cdev_node, &cdev->thermal_instances);
+	}
+	mutex_unlock(&cdev->lock);
 	mutex_unlock(&tz->lock);
 
 	if (!result)
@@ -877,16 +837,20 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz,
 				       int trip,
 				       struct thermal_cooling_device *cdev)
 {
-	struct thermal_cooling_device_instance *pos, *next;
+	struct thermal_instance *pos, *next;
 
 	mutex_lock(&tz->lock);
-	list_for_each_entry_safe(pos, next, &tz->cooling_devices, node) {
+	mutex_lock(&cdev->lock);
+	list_for_each_entry_safe(pos, next, &tz->thermal_instances, tz_node) {
 		if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev) {
-			list_del(&pos->node);
+			list_del(&pos->tz_node);
+			list_del(&pos->cdev_node);
+			mutex_unlock(&cdev->lock);
 			mutex_unlock(&tz->lock);
 			goto unbind;
 		}
 	}
+	mutex_unlock(&cdev->lock);
 	mutex_unlock(&tz->lock);
 
 	return -ENODEV;
@@ -934,7 +898,7 @@ thermal_cooling_device_register(char *type, void *devdata,
 	struct thermal_zone_device *pos;
 	int result;
 
-	if (strlen(type) >= THERMAL_NAME_LENGTH)
+	if (type && strlen(type) >= THERMAL_NAME_LENGTH)
 		return ERR_PTR(-EINVAL);
 
 	if (!ops || !ops->get_max_state || !ops->get_cur_state ||
@@ -951,8 +915,11 @@ thermal_cooling_device_register(char *type, void *devdata,
 		return ERR_PTR(result);
 	}
 
-	strcpy(cdev->type, type);
+	strcpy(cdev->type, type ? : "");
+	mutex_init(&cdev->lock);
+	INIT_LIST_HEAD(&cdev->thermal_instances);
 	cdev->ops = ops;
+	cdev->updated = true;
 	cdev->device.class = &thermal_class;
 	cdev->devdata = devdata;
 	dev_set_name(&cdev->device, "cooling_device%d", cdev->id);
@@ -1044,6 +1011,136 @@ void thermal_cooling_device_unregister(struct
 }
 EXPORT_SYMBOL(thermal_cooling_device_unregister);
 
+static void thermal_cdev_do_update(struct thermal_cooling_device *cdev)
+{
+	struct thermal_instance *instance;
+	unsigned long target = 0;
+
+	/* cooling device is updated*/
+	if (cdev->updated)
+		return;
+
+	mutex_lock(&cdev->lock);
+	/* Make sure cdev enters the deepest cooling state */
+	list_for_each_entry(instance, &cdev->thermal_instances, cdev_node) {
+		if (instance->target == THERMAL_NO_TARGET)
+			continue;
+		if (instance->target > target)
+			target = instance->target;
+	}
+	mutex_unlock(&cdev->lock);
+	cdev->ops->set_cur_state(cdev, target);
+	cdev->updated = true;
+}
+
+static void thermal_zone_do_update(struct thermal_zone_device *tz)
+{
+	struct thermal_instance *instance;
+
+	list_for_each_entry(instance, &tz->thermal_instances, tz_node)
+		thermal_cdev_do_update(instance->cdev);
+}
+
+/*
+ * Cooling algorithm for both active and passive cooling
+ *
+ * 1. if the temperature is higher than a trip point,
+ *    a. if the trend is THERMAL_TREND_RAISING, use higher cooling
+ *       state for this trip point
+ *    b. if the trend is THERMAL_TREND_DROPPING, use lower cooling
+ *       state for this trip point
+ *
+ * 2. if the temperature is lower than a trip point, use lower
+ *    cooling state for this trip point
+ *
+ * Note that this behaves the same as the previous passive cooling
+ * algorithm.
+ */
+
+static void thermal_zone_trip_update(struct thermal_zone_device *tz,
+				     int trip, long temp)
+{
+	struct thermal_instance *instance;
+	struct thermal_cooling_device *cdev = NULL;
+	unsigned long cur_state, max_state;
+	long trip_temp;
+	enum thermal_trip_type trip_type;
+	enum thermal_trend trend;
+
+	if (trip == THERMAL_TRIPS_NONE) {
+		trip_temp = tz->forced_passive;
+		trip_type = THERMAL_TRIPS_NONE;
+	} else {
+		tz->ops->get_trip_temp(tz, trip, &trip_temp);
+		tz->ops->get_trip_type(tz, trip, &trip_type);
+	}
+
+	if (!tz->ops->get_trend || tz->ops->get_trend(tz, trip, &trend)) {
+		/*
+		 * compare the current temperature and previous temperature
+		 * to get the thermal trend, if no special requirement
+		 */
+		if (tz->temperature > tz->last_temperature)
+			trend = THERMAL_TREND_RAISING;
+		else if (tz->temperature < tz->last_temperature)
+			trend = THERMAL_TREND_DROPPING;
+		else
+			trend = THERMAL_TREND_STABLE;
+	}
+
+	if (temp >= trip_temp) {
+		list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+			if (instance->trip != trip)
+				continue;
+
+			cdev = instance->cdev;
+
+			cdev->ops->get_cur_state(cdev, &cur_state);
+			cdev->ops->get_max_state(cdev, &max_state);
+
+			if (trend == THERMAL_TREND_RAISING) {
+				cur_state = cur_state < instance->upper ?
+					    (cur_state + 1) : instance->upper;
+			} else if (trend == THERMAL_TREND_DROPPING) {
+				cur_state = cur_state > instance->lower ?
+				    (cur_state - 1) : instance->lower;
+			}
+
+			/* activate a passive thermal instance */
+			if ((trip_type == THERMAL_TRIP_PASSIVE ||
+			     trip_type == THERMAL_TRIPS_NONE) &&
+			     instance->target == THERMAL_NO_TARGET)
+				tz->passive++;
+
+			instance->target = cur_state;
+			cdev->updated = false; /* cooling device needs update */
+		}
+	} else {	/* below trip */
+		list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+			if (instance->trip != trip)
+				continue;
+
+			/* Do not use the inactive thermal instance */
+			if (instance->target == THERMAL_NO_TARGET)
+				continue;
+			cdev = instance->cdev;
+			cdev->ops->get_cur_state(cdev, &cur_state);
+
+			cur_state = cur_state > instance->lower ?
+				    (cur_state - 1) : THERMAL_NO_TARGET;
+
+			/* deactivate a passive thermal instance */
+			if ((trip_type == THERMAL_TRIP_PASSIVE ||
+			     trip_type == THERMAL_TRIPS_NONE) &&
+			     cur_state == THERMAL_NO_TARGET)
+				tz->passive--;
+			instance->target = cur_state;
+			cdev->updated = false; /* cooling device needs update */
+		}
+	}
+
+	return;
+}
 /**
  * thermal_zone_device_update - force an update of a thermal zone's state
  * @ttz:	the thermal zone to update
@@ -1054,8 +1151,6 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
 	int count, ret = 0;
 	long temp, trip_temp;
 	enum thermal_trip_type trip_type;
-	struct thermal_cooling_device_instance *instance;
-	struct thermal_cooling_device *cdev;
 
 	mutex_lock(&tz->lock);
 
@@ -1065,6 +1160,9 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
 		goto leave;
 	}
 
+	tz->last_temperature = tz->temperature;
+	tz->temperature = temp;
+
 	for (count = 0; count < tz->trips; count++) {
 		tz->ops->get_trip_type(tz, count, &trip_type);
 		tz->ops->get_trip_temp(tz, count, &trip_temp);
@@ -1088,32 +1186,18 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
 					tz->ops->notify(tz, count, trip_type);
 			break;
 		case THERMAL_TRIP_ACTIVE:
-			list_for_each_entry(instance, &tz->cooling_devices,
-					    node) {
-				if (instance->trip != count)
-					continue;
-
-				cdev = instance->cdev;
-
-				if (temp >= trip_temp)
-					cdev->ops->set_cur_state(cdev, 1);
-				else
-					cdev->ops->set_cur_state(cdev, 0);
-			}
+			thermal_zone_trip_update(tz, count, temp);
 			break;
 		case THERMAL_TRIP_PASSIVE:
 			if (temp >= trip_temp || tz->passive)
-				thermal_zone_device_passive(tz, temp,
-							    trip_temp, count);
+				thermal_zone_trip_update(tz, count, temp);
 			break;
 		}
 	}
 
 	if (tz->forced_passive)
-		thermal_zone_device_passive(tz, temp, tz->forced_passive,
-					    THERMAL_TRIPS_NONE);
-
-	tz->last_temperature = temp;
+		thermal_zone_trip_update(tz, THERMAL_TRIPS_NONE, temp);
+	thermal_zone_do_update(tz);
 
 leave:
 	if (tz->passive)
@@ -1236,8 +1320,6 @@ static void remove_trip_attrs(struct thermal_zone_device *tz)
  * @mask:	a bit string indicating the writeablility of trip points
  * @devdata:	private device data
  * @ops:	standard thermal zone device callbacks
- * @tc1:	thermal coefficient 1 for passive calculations
- * @tc2:	thermal coefficient 2 for passive calculations
  * @passive_delay: number of milliseconds to wait between polls when
  *		   performing passive cooling
  * @polling_delay: number of milliseconds to wait between polls when checking
@@ -1245,13 +1327,12 @@ static void remove_trip_attrs(struct thermal_zone_device *tz)
  *		   driven systems)
  *
  * thermal_zone_device_unregister() must be called when the device is no
- * longer needed. The passive cooling formula uses tc1 and tc2 as described in
- * section 11.1.5.1 of the ACPI specification 3.0.
+ * longer needed. The passive cooling depends on the .get_trend() return value.
  */
 struct thermal_zone_device *thermal_zone_device_register(const char *type,
 	int trips, int mask, void *devdata,
 	const struct thermal_zone_device_ops *ops,
-	int tc1, int tc2, int passive_delay, int polling_delay)
+	int passive_delay, int polling_delay)
 {
 	struct thermal_zone_device *tz;
 	struct thermal_cooling_device *pos;
@@ -1260,7 +1341,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
 	int count;
 	int passive = 0;
 
-	if (strlen(type) >= THERMAL_NAME_LENGTH)
+	if (type && strlen(type) >= THERMAL_NAME_LENGTH)
 		return ERR_PTR(-EINVAL);
 
 	if (trips > THERMAL_MAX_TRIPS || trips < 0 || mask >> trips)
@@ -1273,7 +1354,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
 	if (!tz)
 		return ERR_PTR(-ENOMEM);
 
-	INIT_LIST_HEAD(&tz->cooling_devices);
+	INIT_LIST_HEAD(&tz->thermal_instances);
 	idr_init(&tz->idr);
 	mutex_init(&tz->lock);
 	result = get_idr(&thermal_tz_idr, &thermal_idr_lock, &tz->id);
@@ -1282,13 +1363,11 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
 		return ERR_PTR(result);
 	}
 
-	strcpy(tz->type, type);
+	strcpy(tz->type, type ? : "");
 	tz->ops = ops;
 	tz->device.class = &thermal_class;
 	tz->devdata = devdata;
 	tz->trips = trips;
-	tz->tc1 = tc1;
-	tz->tc2 = tc2;
 	tz->passive_delay = passive_delay;
 	tz->polling_delay = polling_delay;
 
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 2944ff88fdc..f4abfe238f9 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -478,7 +478,6 @@ static void xencons_backend_changed(struct xenbus_device *dev,
 	case XenbusStateInitialising:
 	case XenbusStateInitialised:
 	case XenbusStateUnknown:
-	case XenbusStateClosed:
 		break;
 
 	case XenbusStateInitWait:
@@ -488,6 +487,10 @@ static void xencons_backend_changed(struct xenbus_device *dev,
 		xenbus_switch_state(dev, XenbusStateConnected);
 		break;
 
+	case XenbusStateClosed:
+		if (dev->state == XenbusStateClosed)
+			break;
+		/* Missed the backend's CLOSING state -- fallthrough */
 	case XenbusStateClosing:
 		xenbus_frontend_closed(dev);
 		break;
diff --git a/drivers/tty/serial/8250/8250_hp300.c b/drivers/tty/serial/8250/8250_hp300.c
index 8f1dd2cc00a..f3d0edf4664 100644
--- a/drivers/tty/serial/8250/8250_hp300.c
+++ b/drivers/tty/serial/8250/8250_hp300.c
@@ -162,7 +162,7 @@ int __init hp300_setup_serial_console(void)
 static int __devinit hpdca_init_one(struct dio_dev *d,
 				const struct dio_device_id *ent)
 {
-	struct uart_port port;
+	struct uart_8250_port uart;
 	int line;
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
@@ -174,19 +174,19 @@ static int __devinit hpdca_init_one(struct dio_dev *d,
 	memset(&uart, 0, sizeof(uart));
 
 	/* Memory mapped I/O */
-	port.iotype = UPIO_MEM;
-	port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
-	port.irq = d->ipl;
-	port.uartclk = HPDCA_BAUD_BASE * 16;
-	port.mapbase = (d->resource.start + UART_OFFSET);
-	port.membase = (char *)(port.mapbase + DIO_VIRADDRBASE);
-	port.regshift = 1;
-	port.dev = &d->dev;
+	uart.port.iotype = UPIO_MEM;
+	uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;
+	uart.port.irq = d->ipl;
+	uart.port.uartclk = HPDCA_BAUD_BASE * 16;
+	uart.port.mapbase = (d->resource.start + UART_OFFSET);
+	uart.port.membase = (char *)(uart.port.mapbase + DIO_VIRADDRBASE);
+	uart.port.regshift = 1;
+	uart.port.dev = &d->dev;
 	line = serial8250_register_8250_port(&uart);
 
 	if (line < 0) {
 		printk(KERN_NOTICE "8250_hp300: register_serial() DCA scode %d"
-		       " irq %d failed\n", d->scode, port.irq);
+		       " irq %d failed\n", d->scode, uart.port.irq);
 		return -ENOMEM;
 	}
 
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 233fbaaf255..2a53be5f010 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1150,7 +1150,7 @@ config SERIAL_SC26XX_CONSOLE
 	  Support for Console on SC2681/SC2692 serial ports.
 
 config SERIAL_SCCNXP
-	bool "SCCNXP serial port support"
+	tristate "SCCNXP serial port support"
 	depends on !SERIAL_SC26XX
 	select SERIAL_CORE
 	default n
@@ -1162,7 +1162,7 @@ config SERIAL_SCCNXP
 
 config SERIAL_SCCNXP_CONSOLE
 	bool "Console on SCCNXP serial port"
-	depends on SERIAL_SCCNXP
+	depends on SERIAL_SCCNXP=y
 	select SERIAL_CORE_CONSOLE
 	help
 	  Support for console on SCCNXP serial ports.
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index c0b334327d9..10020547c60 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -97,7 +97,8 @@ static void kgdboc_restore_input(void)
 
 static int kgdboc_register_kbd(char **cptr)
 {
-	if (strncmp(*cptr, "kbd", 3) == 0) {
+	if (strncmp(*cptr, "kbd", 3) == 0 ||
+		strncmp(*cptr, "kdb", 3) == 0) {
 		if (kdb_poll_idx < KDB_POLL_FUNC_MAX) {
 			kdb_poll_funcs[kdb_poll_idx] = kdb_get_kbd_char;
 			kdb_poll_idx++;
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 6ede6fd92b4..6d3d26a607b 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -671,19 +671,19 @@ serial_omap_configure_xonxoff
 
 	/*
 	 * IXON Flag:
-	 * Flow control for OMAP.TX
-	 * OMAP.RX should listen for XON/XOFF
+	 * Enable XON/XOFF flow control on output.
+	 * Transmit XON1, XOFF1
 	 */
 	if (termios->c_iflag & IXON)
-		up->efr |= OMAP_UART_SW_RX;
+		up->efr |= OMAP_UART_SW_TX;
 
 	/*
 	 * IXOFF Flag:
-	 * Flow control for OMAP.RX
-	 * OMAP.TX should send XON/XOFF
+	 * Enable XON/XOFF flow control on input.
+	 * Receiver compares XON1, XOFF1.
 	 */
 	if (termios->c_iflag & IXOFF)
-		up->efr |= OMAP_UART_SW_TX;
+		up->efr |= OMAP_UART_SW_RX;
 
 	serial_out(up, UART_EFR, up->efr | UART_EFR_ECB);
 	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A);
diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
index b7086d004f5..e821068cd95 100644
--- a/drivers/tty/serial/sccnxp.c
+++ b/drivers/tty/serial/sccnxp.c
@@ -971,6 +971,7 @@ static const struct platform_device_id sccnxp_id_table[] = {
 	{ "sc28202",	SCCNXP_TYPE_SC28202 },
 	{ "sc68681",	SCCNXP_TYPE_SC68681 },
 	{ "sc68692",	SCCNXP_TYPE_SC68692 },
+	{ },
 };
 MODULE_DEVICE_TABLE(platform, sccnxp_id_table);
 
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 9be296cf729..6ee59001d61 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -530,7 +530,8 @@ static inline int sci_rxd_in(struct uart_port *port)
 	if (s->cfg->port_reg <= 0)
 		return 1;
 
-	return !!__raw_readb(s->cfg->port_reg);
+	/* Cast for ARM damage */
+	return !!__raw_readb((void __iomem *)s->cfg->port_reg);
 }
 
 /* ********************************************************************** *
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 05728894a88..16ee6cee07d 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -452,6 +452,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
 	NULL,				/* v */
 	&sysrq_showstate_blocked_op,	/* w */
 	/* x: May be registered on ppc/powerpc for xmon */
+	/* x: May be registered on sparc64 for global PMU dump */
 	NULL,				/* x */
 	/* y: May be registered on sparc64 for global register dump */
 	NULL,				/* y */
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 999ca63afde..f87d7e8964b 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3442,6 +3442,19 @@ int con_debug_enter(struct vc_data *vc)
 			kdb_set(2, setargs);
 		}
 	}
+	if (vc->vc_cols < 999) {
+		int colcount;
+		char cols[4];
+		const char *setargs[3] = {
+			"set",
+			"COLUMNS",
+			cols,
+		};
+		if (kdbgetintenv(setargs[0], &colcount)) {
+			snprintf(cols, 4, "%i", vc->vc_cols);
+			kdb_set(2, setargs);
+		}
+	}
 #endif /* CONFIG_KGDB_KDB */
 	return ret;
 }
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 36f2be4def2..6e49ec6f3ad 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -817,10 +817,6 @@ static const __u32 acm_tty_speed[] = {
 	2500000, 3000000, 3500000, 4000000
 };
 
-static const __u8 acm_tty_size[] = {
-	5, 6, 7, 8
-};
-
 static void acm_tty_set_termios(struct tty_struct *tty,
 						struct ktermios *termios_old)
 {
@@ -834,7 +830,21 @@ static void acm_tty_set_termios(struct tty_struct *tty,
 	newline.bParityType = termios->c_cflag & PARENB ?
 				(termios->c_cflag & PARODD ? 1 : 2) +
 				(termios->c_cflag & CMSPAR ? 2 : 0) : 0;
-	newline.bDataBits = acm_tty_size[(termios->c_cflag & CSIZE) >> 4];
+	switch (termios->c_cflag & CSIZE) {
+	case CS5:
+		newline.bDataBits = 5;
+		break;
+	case CS6:
+		newline.bDataBits = 6;
+		break;
+	case CS7:
+		newline.bDataBits = 7;
+		break;
+	case CS8:
+	default:
+		newline.bDataBits = 8;
+		break;
+	}
 	/* FIXME: Needs to clear unsupported bits in the termios */
 	acm->clocal = ((termios->c_cflag & CLOCAL) != 0);
 
@@ -1233,7 +1243,7 @@ made_compressed_probe:
 
 		if (usb_endpoint_xfer_int(epwrite))
 			usb_fill_int_urb(snd->urb, usb_dev,
-				usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
+				usb_sndintpipe(usb_dev, epwrite->bEndpointAddress),
 				NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval);
 		else
 			usb_fill_bulk_urb(snd->urb, usb_dev,
@@ -1551,6 +1561,9 @@ static const struct usb_device_id acm_ids[] = {
 					   Maybe we should define a new
 					   quirk for this. */
 	},
+	{ USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */
+	.driver_info = NO_UNION_NORMAL,
+	},
 	{ USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */
 	.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
 	},
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index e0356cb859b..b78fbe222b7 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1348,6 +1348,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 					ret = -EFAULT;
 					goto error;
 				}
+				uurb->buffer += u;
 			}
 			totlen -= u;
 		}
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index ddd820d2528..6056db7af41 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -367,6 +367,10 @@ static int usb_probe_interface(struct device *dev)
 	intf->condition = USB_INTERFACE_UNBOUND;
 	usb_cancel_queued_reset(intf);
 
+	/* If the LPM disable succeeded, balance the ref counts. */
+	if (!lpm_disable_error)
+		usb_unlocked_enable_lpm(udev);
+
 	/* Unbound interfaces are always runtime-PM-disabled and -suspended */
 	if (driver->supports_autosuspend)
 		pm_runtime_disable(dev);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 673ee469626..1af04bdeaf0 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -739,13 +739,16 @@ static void hub_tt_work(struct work_struct *work)
 	int			limit = 100;
 
 	spin_lock_irqsave (&hub->tt.lock, flags);
-	while (--limit && !list_empty (&hub->tt.clear_list)) {
+	while (!list_empty(&hub->tt.clear_list)) {
 		struct list_head	*next;
 		struct usb_tt_clear	*clear;
 		struct usb_device	*hdev = hub->hdev;
 		const struct hc_driver	*drv;
 		int			status;
 
+		if (!hub->quiescing && --limit < 0)
+			break;
+
 		next = hub->tt.clear_list.next;
 		clear = list_entry (next, struct usb_tt_clear, clear_list);
 		list_del (&clear->clear_list);
@@ -1210,7 +1213,7 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
 	if (hub->has_indicators)
 		cancel_delayed_work_sync(&hub->leds);
 	if (hub->tt.hub)
-		cancel_work_sync(&hub->tt.clear_work);
+		flush_work(&hub->tt.clear_work);
 }
 
 /* caller has locked the hub device */
@@ -3241,8 +3244,7 @@ static int usb_req_set_sel(struct usb_device *udev, enum usb3_link_state state)
 			(state == USB3_LPM_U2 &&
 			 (u2_sel > USB3_LPM_MAX_U2_SEL_PEL ||
 			  u2_pel > USB3_LPM_MAX_U2_SEL_PEL))) {
-		dev_dbg(&udev->dev, "Device-initiated %s disabled due "
-				"to long SEL %llu ms or PEL %llu ms\n",
+		dev_dbg(&udev->dev, "Device-initiated %s disabled due to long SEL %llu us or PEL %llu us\n",
 				usb3_lpm_names[state], u1_sel, u1_pel);
 		return -EINVAL;
 	}
@@ -3320,16 +3322,6 @@ static int usb_set_device_initiated_lpm(struct usb_device *udev,
 
 	if (enable) {
 		/*
-		 * First, let the device know about the exit latencies
-		 * associated with the link state we're about to enable.
-		 */
-		ret = usb_req_set_sel(udev, state);
-		if (ret < 0) {
-			dev_warn(&udev->dev, "Set SEL for device-initiated "
-					"%s failed.\n", usb3_lpm_names[state]);
-			return -EBUSY;
-		}
-		/*
 		 * Now send the control transfer to enable device-initiated LPM
 		 * for either U1 or U2.
 		 */
@@ -3414,7 +3406,28 @@ static int usb_set_lpm_timeout(struct usb_device *udev,
 static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
 		enum usb3_link_state state)
 {
-	int timeout;
+	int timeout, ret;
+	__u8 u1_mel = udev->bos->ss_cap->bU1devExitLat;
+	__le16 u2_mel = udev->bos->ss_cap->bU2DevExitLat;
+
+	/* If the device says it doesn't have *any* exit latency to come out of
+	 * U1 or U2, it's probably lying.  Assume it doesn't implement that link
+	 * state.
+	 */
+	if ((state == USB3_LPM_U1 && u1_mel == 0) ||
+			(state == USB3_LPM_U2 && u2_mel == 0))
+		return;
+
+	/*
+	 * First, let the device know about the exit latencies
+	 * associated with the link state we're about to enable.
+	 */
+	ret = usb_req_set_sel(udev, state);
+	if (ret < 0) {
+		dev_warn(&udev->dev, "Set SEL for device-initiated %s failed.\n",
+				usb3_lpm_names[state]);
+		return;
+	}
 
 	/* We allow the host controller to set the U1/U2 timeout internally
 	 * first, so that it can change its schedule to account for the
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index b415c0c859d..c14ebc975ba 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -409,6 +409,10 @@ static void dwc3_core_exit(struct dwc3 *dwc)
 {
 	dwc3_event_buffers_cleanup(dwc);
 	dwc3_free_event_buffers(dwc);
+
+	usb_phy_shutdown(dwc->usb2_phy);
+	usb_phy_shutdown(dwc->usb3_phy);
+
 }
 
 #define DWC3_ALIGN_MASK		(16 - 1)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c9e729a4bf6..7b7deddf6a5 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1904,7 +1904,7 @@ static void dwc3_stop_active_transfer(struct dwc3 *dwc, u32 epnum)
 	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
 	WARN_ON_ONCE(ret);
 	dep->resource_index = 0;
-
+	dep->flags &= ~DWC3_EP_BUSY;
 	udelay(100);
 }
 
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index dfb51a45496..e0ff51b8952 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -952,6 +952,7 @@ endif
 config USB_G_WEBCAM
 	tristate "USB Webcam Gadget"
 	depends on VIDEO_DEV
+	select USB_LIBCOMPOSITE
 	help
 	  The Webcam Gadget acts as a composite USB Audio and Video Class
 	  device. It provides a userspace API to process UVC control requests
diff --git a/drivers/usb/gadget/lpc32xx_udc.c b/drivers/usb/gadget/lpc32xx_udc.c
index f696fb9b136..21a9861dabf 100644
--- a/drivers/usb/gadget/lpc32xx_udc.c
+++ b/drivers/usb/gadget/lpc32xx_udc.c
@@ -2930,10 +2930,10 @@ static void vbus_work(struct work_struct *work)
 
 		/* Get the VBUS status from the transceiver */
 		value = i2c_smbus_read_byte_data(udc->isp1301_i2c_client,
-						 ISP1301_I2C_OTG_CONTROL_2);
+						 ISP1301_I2C_INTERRUPT_SOURCE);
 
 		/* VBUS on or off? */
-		if (value & OTG_B_SESS_VLD)
+		if (value & INT_SESS_VLD)
 			udc->vbus = 1;
 		else
 			udc->vbus = 0;
diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c
index 43ac7482fa9..c009263a47e 100644
--- a/drivers/usb/gadget/net2272.c
+++ b/drivers/usb/gadget/net2272.c
@@ -2069,8 +2069,10 @@ static irqreturn_t net2272_irq(int irq, void *_dev)
 #if defined(PLX_PCI_RDK2)
 	/* see if PCI int for us by checking irqstat */
 	intcsr = readl(dev->rdk2.fpga_base_addr + RDK2_IRQSTAT);
-	if (!intcsr & (1 << NET2272_PCI_IRQ))
+	if (!intcsr & (1 << NET2272_PCI_IRQ)) {
+		spin_unlock(&dev->lock);
 		return IRQ_NONE;
+	}
 	/* check dma interrupts */
 #endif
 	/* Platform/devcice interrupt handler */
diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c
index eaa1005377f..97e68b38cfd 100644
--- a/drivers/usb/gadget/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/tcm_usb_gadget.c
@@ -1472,16 +1472,6 @@ static int usbg_queue_tm_rsp(struct se_cmd *se_cmd)
 	return 0;
 }
 
-static u16 usbg_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
-	return 0;
-}
-
-static u16 usbg_get_fabric_sense_len(void)
-{
-	return 0;
-}
-
 static const char *usbg_check_wwn(const char *name)
 {
 	const char *n;
@@ -1822,7 +1812,7 @@ static ssize_t tcm_usbg_tpg_store_nexus(
 		ret = tcm_usbg_drop_nexus(tpg);
 		return (!ret) ? count : ret;
 	}
-	if (strlen(page) > USBG_NAMELEN) {
+	if (strlen(page) >= USBG_NAMELEN) {
 		pr_err("Emulated NAA Sas Address: %s, exceeds"
 				" max: %d\n", page, USBG_NAMELEN);
 		return -EINVAL;
@@ -1907,8 +1897,6 @@ static struct target_core_fabric_ops usbg_ops = {
 	.queue_data_in			= usbg_send_read_response,
 	.queue_status			= usbg_send_status_response,
 	.queue_tm_rsp			= usbg_queue_tm_rsp,
-	.get_fabric_sense_len		= usbg_get_fabric_sense_len,
-	.set_fabric_sense_len		= usbg_set_fabric_sense_len,
 	.check_stop_free		= usbg_check_stop_free,
 
 	.fabric_make_wwn		= usbg_make_tport,
@@ -1968,7 +1956,6 @@ static void usbg_deregister_configfs(void)
 static struct usb_interface_descriptor bot_intf_desc = {
 	.bLength =              sizeof(bot_intf_desc),
 	.bDescriptorType =      USB_DT_INTERFACE,
-	.bAlternateSetting =	0,
 	.bNumEndpoints =        2,
 	.bAlternateSetting =	USB_G_ALT_INT_BBB,
 	.bInterfaceClass =      USB_CLASS_MASS_STORAGE,
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 9bfde82078e..0d2f35ca93f 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -222,7 +222,7 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
 
 	if (pdata->controller_ver < 0) {
 		dev_warn(hcd->self.controller, "Could not get controller version\n");
-		return;
+		return -ENODEV;
 	}
 
 	portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]);
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 8e7eca62f16..9c2717d6673 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -160,7 +160,7 @@ static const struct hc_driver ehci_orion_hc_driver = {
 	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
 };
 
-static void __init
+static void __devinit
 ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
 			     const struct mbus_dram_target_info *dram)
 {
diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c
index 96722bfebc8..d3c9a3e397b 100644
--- a/drivers/usb/host/ehci-vt8500.c
+++ b/drivers/usb/host/ehci-vt8500.c
@@ -85,6 +85,8 @@ static const struct hc_driver vt8500_ehci_hc_driver = {
 	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
 };
 
+static u64 vt8500_ehci_dma_mask = DMA_BIT_MASK(32);
+
 static int vt8500_ehci_drv_probe(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd;
@@ -95,6 +97,14 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev)
 	if (usb_disabled())
 		return -ENODEV;
 
+	/*
+	 * Right now device-tree probed devices don't get dma_mask set.
+	 * Since shared usb code relies on it, set it here for now.
+	 * Once we have dma capability bindings this can go away.
+	 */
+	if (!pdev->dev.dma_mask)
+		pdev->dev.dma_mask = &vt8500_ehci_dma_mask;
+
 	if (pdev->resource[1].flags != IORESOURCE_IRQ) {
 		pr_debug("resource[1] is not IORESOURCE_IRQ");
 		return -ENOMEM;
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 966d1484ee7..39f9e4a9a2d 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -545,7 +545,14 @@ static const struct dmi_system_id __devinitconst ehci_dmi_nohandoff_table[] = {
 		/*  Pegatron Lucid (Ordissimo AIRIS) */
 		.matches = {
 			DMI_MATCH(DMI_BOARD_NAME, "M11JB"),
-			DMI_MATCH(DMI_BIOS_VERSION, "Lucid-GE-133"),
+			DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"),
+		},
+	},
+	{
+		/*  Pegatron Lucid (Ordissimo) */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "Ordissimo"),
+			DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"),
 		},
 	},
 	{ }
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c
index e4780491df4..68ebf20e151 100644
--- a/drivers/usb/host/uhci-platform.c
+++ b/drivers/usb/host/uhci-platform.c
@@ -60,6 +60,7 @@ static const struct hc_driver uhci_platform_hc_driver = {
 	.hub_control =		uhci_hub_control,
 };
 
+static u64 platform_uhci_dma_mask = DMA_BIT_MASK(32);
 
 static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
 {
@@ -71,6 +72,14 @@ static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
 	if (usb_disabled())
 		return -ENODEV;
 
+	/*
+	 * Right now device-tree probed devices don't get dma_mask set.
+	 * Since shared usb code relies on it, set it here for now.
+	 * Once we have dma capability bindings this can go away.
+	 */
+	if (!pdev->dev.dma_mask)
+		pdev->dev.dma_mask = &platform_uhci_dma_mask;
+
 	hcd = usb_create_hcd(&uhci_platform_hc_driver, &pdev->dev,
 			pdev->name);
 	if (!hcd)
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index 4b436f5a417..5f3a7c74aa8 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -544,7 +544,6 @@ void xhci_dbg_ctx(struct xhci_hcd *xhci,
 	int i;
 	/* Fields are 32 bits wide, DMA addresses are in bytes */
 	int field_size = 32 / 8;
-	struct xhci_slot_ctx *slot_ctx;
 	dma_addr_t dma = ctx->dma;
 	int csz = HCC_64BYTE_CONTEXT(xhci->hcc_params);
 
@@ -570,7 +569,6 @@ void xhci_dbg_ctx(struct xhci_hcd *xhci,
 			dbg_rsvd64(xhci, (u64 *)ctrl_ctx, dma);
 	}
 
-	slot_ctx = xhci_get_slot_ctx(xhci, ctx);
 	xhci_dbg_slot_ctx(xhci, ctx);
 	xhci_dbg_ep_ctx(xhci, ctx, last_ep);
 }
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index aa90ad4d4fd..a686cf4905b 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -151,9 +151,8 @@ static void xhci_usb3_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci,
 		if (portsc & PORT_DEV_REMOVE)
 			port_removable |= 1 << (i + 1);
 	}
-	memset(&desc->u.ss.DeviceRemovable,
-			(__force __u16) cpu_to_le16(port_removable),
-			sizeof(__u16));
+
+	desc->u.ss.DeviceRemovable = cpu_to_le16(port_removable);
 }
 
 static void xhci_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci,
@@ -809,11 +808,13 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			temp = xhci_readl(xhci, port_array[wIndex]);
 			xhci_dbg(xhci, "set port power, actual port %d status  = 0x%x\n", wIndex, temp);
 
+			spin_unlock_irqrestore(&xhci->lock, flags);
 			temp = usb_acpi_power_manageable(hcd->self.root_hub,
 					wIndex);
 			if (temp)
 				usb_acpi_set_power_state(hcd->self.root_hub,
 						wIndex, true);
+			spin_lock_irqsave(&xhci->lock, flags);
 			break;
 		case USB_PORT_FEAT_RESET:
 			temp = (temp | PORT_RESET);
@@ -917,11 +918,13 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			xhci_writel(xhci, temp & ~PORT_POWER,
 				port_array[wIndex]);
 
+			spin_unlock_irqrestore(&xhci->lock, flags);
 			temp = usb_acpi_power_manageable(hcd->self.root_hub,
 					wIndex);
 			if (temp)
 				usb_acpi_set_power_state(hcd->self.root_hub,
 						wIndex, false);
+			spin_lock_irqsave(&xhci->lock, flags);
 			break;
 		default:
 			goto error;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index c6ebb176dc4..4e1a8946b8d 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1228,6 +1228,17 @@ static void xhci_cmd_to_noop(struct xhci_hcd *xhci, struct xhci_cd *cur_cd)
 	cur_seg = find_trb_seg(xhci->cmd_ring->first_seg,
 			xhci->cmd_ring->dequeue, &cycle_state);
 
+	if (!cur_seg) {
+		xhci_warn(xhci, "Command ring mismatch, dequeue = %p %llx (dma)\n",
+				xhci->cmd_ring->dequeue,
+				(unsigned long long)
+				xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg,
+					xhci->cmd_ring->dequeue));
+		xhci_debug_ring(xhci, xhci->cmd_ring);
+		xhci_dbg_ring_ptrs(xhci, xhci->cmd_ring);
+		return;
+	}
+
 	/* find the command trb matched by cd from command ring */
 	for (cmd_trb = xhci->cmd_ring->dequeue;
 			cmd_trb != xhci->cmd_ring->enqueue;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8d7fcbbe6ad..c9e419f29b7 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -479,7 +479,8 @@ static bool compliance_mode_recovery_timer_quirk_check(void)
 
 	if (strstr(dmi_product_name, "Z420") ||
 			strstr(dmi_product_name, "Z620") ||
-			strstr(dmi_product_name, "Z820"))
+			strstr(dmi_product_name, "Z820") ||
+			strstr(dmi_product_name, "Z1"))
 		return true;
 
 	return false;
@@ -1626,7 +1627,6 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
 	struct xhci_hcd *xhci;
 	struct xhci_container_ctx *in_ctx, *out_ctx;
 	unsigned int ep_index;
-	struct xhci_ep_ctx *ep_ctx;
 	struct xhci_slot_ctx *slot_ctx;
 	struct xhci_input_control_ctx *ctrl_ctx;
 	u32 added_ctxs;
@@ -1662,7 +1662,6 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
 	out_ctx = virt_dev->out_ctx;
 	ctrl_ctx = xhci_get_input_control_ctx(xhci, in_ctx);
 	ep_index = xhci_get_endpoint_index(&ep->desc);
-	ep_ctx = xhci_get_ep_ctx(xhci, out_ctx, ep_index);
 
 	/* If this endpoint is already in use, and the upper layers are trying
 	 * to add it again without dropping it, reject the addition.
@@ -1816,6 +1815,8 @@ static int xhci_evaluate_context_result(struct xhci_hcd *xhci,
 	case COMP_EBADSLT:
 		dev_warn(&udev->dev, "WARN: slot not enabled for"
 				"evaluate context command.\n");
+		ret = -EINVAL;
+		break;
 	case COMP_CTX_STATE:
 		dev_warn(&udev->dev, "WARN: invalid context state for "
 				"evaluate context command.\n");
@@ -4020,7 +4021,7 @@ int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
 static unsigned long long xhci_service_interval_to_ns(
 		struct usb_endpoint_descriptor *desc)
 {
-	return (1 << (desc->bInterval - 1)) * 125 * 1000;
+	return (1ULL << (desc->bInterval - 1)) * 125 * 1000;
 }
 
 static u16 xhci_get_timeout_no_hub_lpm(struct usb_device *udev,
@@ -4141,7 +4142,7 @@ static u16 xhci_calculate_intel_u2_timeout(struct usb_device *udev,
 			(xhci_service_interval_to_ns(desc) > timeout_ns))
 		timeout_ns = xhci_service_interval_to_ns(desc);
 
-	u2_del_ns = udev->bos->ss_cap->bU2DevExitLat * 1000;
+	u2_del_ns = le16_to_cpu(udev->bos->ss_cap->bU2DevExitLat) * 1000ULL;
 	if (u2_del_ns > timeout_ns)
 		timeout_ns = u2_del_ns;
 
diff --git a/drivers/usb/misc/ezusb.c b/drivers/usb/misc/ezusb.c
index 4223d761223..6589268a651 100644
--- a/drivers/usb/misc/ezusb.c
+++ b/drivers/usb/misc/ezusb.c
@@ -158,3 +158,4 @@ int ezusb_fx2_ihex_firmware_download(struct usb_device *dev,
 }
 EXPORT_SYMBOL_GPL(ezusb_fx2_ihex_firmware_download);
 
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 457f25e62c5..c964d6af178 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -305,6 +305,12 @@ static irqreturn_t am35x_musb_interrupt(int irq, void *hci)
 		ret = IRQ_HANDLED;
 	}
 
+	/* Drop spurious RX and TX if device is disconnected */
+	if (musb->int_usb & MUSB_INTR_DISCONNECT) {
+		musb->int_tx = 0;
+		musb->int_rx = 0;
+	}
+
 	if (musb->int_tx || musb->int_rx || musb->int_usb)
 		ret |= musb_interrupt(musb);
 
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 444346e1e10..ff5f112053d 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -458,11 +458,11 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id)
 	struct platform_device	*musb;
 	struct resource *res;
 	struct resource	resources[2];
-	char res_name[10];
+	char res_name[11];
 	int ret, musbid;
 
 	/* get memory resource */
-	sprintf(res_name, "musb%d", id);
+	snprintf(res_name, sizeof(res_name), "musb%d", id);
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, res_name);
 	if (!res) {
 		dev_err(dev, "%s get mem resource failed\n", res_name);
@@ -473,7 +473,7 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id)
 	resources[0] = *res;
 
 	/* get irq resource */
-	sprintf(res_name, "musb%d-irq", id);
+	snprintf(res_name, sizeof(res_name), "musb%d-irq", id);
 	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, res_name);
 	if (!res) {
 		dev_err(dev, "%s get irq resource failed\n", res_name);
@@ -530,7 +530,7 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id)
 
 		of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps);
 		of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits);
-		sprintf(res_name, "port%d-mode", id);
+		snprintf(res_name, sizeof(res_name), "port%d-mode", id);
 		of_property_read_u32(np, res_name, (u32 *)&pdata->mode);
 		of_property_read_u32(np, "power", (u32 *)&pdata->power);
 		config->multipoint = of_property_read_bool(np, "multipoint");
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 143c4e9e1be..c021b202c0f 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -795,6 +795,7 @@ static void xfer_work(struct work_struct *work)
 	dev_dbg(dev, "  %s %d (%d/ %d)\n",
 		fifo->name, usbhs_pipe_number(pipe), pkt->length, pkt->zero);
 
+	usbhs_pipe_enable(pipe);
 	usbhsf_dma_start(pipe, fifo);
 	dma_async_issue_pending(chan);
 }
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 35c5208f324..61933a90e5b 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -273,9 +273,9 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
 	usbhs_write(priv, INTSTS0, ~irq_state.intsts0 & INTSTS0_MAGIC);
 	usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
 
-	usbhs_write(priv, BRDYSTS, 0);
-	usbhs_write(priv, NRDYSTS, 0);
-	usbhs_write(priv, BEMPSTS, 0);
+	usbhs_write(priv, BRDYSTS, ~irq_state.brdysts);
+	usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts);
+	usbhs_write(priv, BEMPSTS, ~irq_state.bempsts);
 
 	/*
 	 * call irq callback functions
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 9b69a132329..069cd765400 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -334,6 +334,11 @@ static void usbhsh_pipe_detach(struct usbhsh_hpriv *hpriv,
 	struct device *dev = usbhs_priv_to_dev(priv);
 	unsigned long flags;
 
+	if (unlikely(!uep)) {
+		dev_err(dev, "no uep\n");
+		return;
+	}
+
 	/********************  spin lock ********************/
 	usbhs_lock(priv, flags);
 
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index 08786c06dcf..3d80c7b1fd1 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -54,7 +54,7 @@ struct usbhs_pipe_info {
  * pipe list
  */
 #define __usbhs_for_each_pipe(start, pos, info, i)	\
-	for (i = start, pos = (info)->pipe;		\
+	for (i = start, pos = (info)->pipe + i;		\
 	     i < (info)->size;				\
 	     i++, pos = (info)->pipe + i)
 
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index cf2522c397d..bd50a8a41a0 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -125,9 +125,6 @@ static inline int calc_divisor(int bps)
 
 static int ark3116_attach(struct usb_serial *serial)
 {
-	struct usb_serial_port *port = serial->port[0];
-	struct ark3116_private *priv;
-
 	/* make sure we have our end-points */
 	if ((serial->num_bulk_in == 0) ||
 	    (serial->num_bulk_out == 0) ||
@@ -142,8 +139,15 @@ static int ark3116_attach(struct usb_serial *serial)
 		return -EINVAL;
 	}
 
-	priv = kzalloc(sizeof(struct ark3116_private),
-		       GFP_KERNEL);
+	return 0;
+}
+
+static int ark3116_port_probe(struct usb_serial_port *port)
+{
+	struct usb_serial *serial = port->serial;
+	struct ark3116_private *priv;
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
@@ -198,18 +202,15 @@ static int ark3116_attach(struct usb_serial *serial)
 	return 0;
 }
 
-static void ark3116_release(struct usb_serial *serial)
+static int ark3116_port_remove(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct ark3116_private *priv = usb_get_serial_port_data(port);
 
 	/* device is closed, so URBs and DMA should be down */
-
-	usb_set_serial_port_data(port, NULL);
-
 	mutex_destroy(&priv->hw_lock);
-
 	kfree(priv);
+
+	return 0;
 }
 
 static void ark3116_init_termios(struct tty_struct *tty)
@@ -723,7 +724,8 @@ static struct usb_serial_driver ark3116_device = {
 	.id_table =		id_table,
 	.num_ports =		1,
 	.attach =		ark3116_attach,
-	.release =		ark3116_release,
+	.port_probe =		ark3116_port_probe,
+	.port_remove =		ark3116_port_remove,
 	.set_termios =		ark3116_set_termios,
 	.init_termios =		ark3116_init_termios,
 	.ioctl =		ark3116_ioctl,
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 99449424193..ea29556f0d7 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -45,8 +45,8 @@
 #define DRIVER_DESC "USB Belkin Serial converter driver"
 
 /* function prototypes for a Belkin USB Serial Adapter F5U103 */
-static int  belkin_sa_startup(struct usb_serial *serial);
-static void belkin_sa_release(struct usb_serial *serial);
+static int belkin_sa_port_probe(struct usb_serial_port *port);
+static int belkin_sa_port_remove(struct usb_serial_port *port);
 static int  belkin_sa_open(struct tty_struct *tty,
 			struct usb_serial_port *port);
 static void belkin_sa_close(struct usb_serial_port *port);
@@ -88,8 +88,8 @@ static struct usb_serial_driver belkin_device = {
 	.break_ctl =		belkin_sa_break_ctl,
 	.tiocmget =		belkin_sa_tiocmget,
 	.tiocmset =		belkin_sa_tiocmset,
-	.attach =		belkin_sa_startup,
-	.release =		belkin_sa_release,
+	.port_probe =		belkin_sa_port_probe,
+	.port_remove =		belkin_sa_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
@@ -118,17 +118,15 @@ struct belkin_sa_private {
 					    (c), BELKIN_SA_SET_REQUEST_TYPE, \
 					    (v), 0, NULL, 0, WDR_TIMEOUT)
 
-/* do some startup allocations not currently performed by usb_serial_probe() */
-static int belkin_sa_startup(struct usb_serial *serial)
+static int belkin_sa_port_probe(struct usb_serial_port *port)
 {
-	struct usb_device *dev = serial->dev;
+	struct usb_device *dev = port->serial->dev;
 	struct belkin_sa_private *priv;
 
-	/* allocate the private data structure */
 	priv = kmalloc(sizeof(struct belkin_sa_private), GFP_KERNEL);
 	if (!priv)
-		return -1; /* error */
-	/* set initial values for control structures */
+		return -ENOMEM;
+
 	spin_lock_init(&priv->lock);
 	priv->control_state = 0;
 	priv->last_lsr = 0;
@@ -140,18 +138,19 @@ static int belkin_sa_startup(struct usb_serial *serial)
 					le16_to_cpu(dev->descriptor.bcdDevice),
 					priv->bad_flow_control);
 
-	init_waitqueue_head(&serial->port[0]->write_wait);
-	usb_set_serial_port_data(serial->port[0], priv);
+	usb_set_serial_port_data(port, priv);
 
 	return 0;
 }
 
-static void belkin_sa_release(struct usb_serial *serial)
+static int belkin_sa_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct belkin_sa_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int belkin_sa_open(struct tty_struct *tty,
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index e9c7046ae35..d255f66e708 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -242,13 +242,11 @@ out:	kfree(buffer);
 	return r;
 }
 
-/* allocate private data */
-static int ch341_attach(struct usb_serial *serial)
+static int ch341_port_probe(struct usb_serial_port *port)
 {
 	struct ch341_private *priv;
 	int r;
 
-	/* private data */
 	priv = kzalloc(sizeof(struct ch341_private), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
@@ -258,17 +256,27 @@ static int ch341_attach(struct usb_serial *serial)
 	priv->baud_rate = DEFAULT_BAUD_RATE;
 	priv->line_control = CH341_BIT_RTS | CH341_BIT_DTR;
 
-	r = ch341_configure(serial->dev, priv);
+	r = ch341_configure(port->serial->dev, priv);
 	if (r < 0)
 		goto error;
 
-	usb_set_serial_port_data(serial->port[0], priv);
+	usb_set_serial_port_data(port, priv);
 	return 0;
 
 error:	kfree(priv);
 	return r;
 }
 
+static int ch341_port_remove(struct usb_serial_port *port)
+{
+	struct ch341_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
+}
+
 static int ch341_carrier_raised(struct usb_serial_port *port)
 {
 	struct ch341_private *priv = usb_get_serial_port_data(port);
@@ -304,7 +312,7 @@ static void ch341_close(struct usb_serial_port *port)
 static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
 	struct usb_serial *serial = port->serial;
-	struct ch341_private *priv = usb_get_serial_port_data(serial->port[0]);
+	struct ch341_private *priv = usb_get_serial_port_data(port);
 	int r;
 
 	priv->baud_rate = DEFAULT_BAUD_RATE;
@@ -608,7 +616,8 @@ static struct usb_serial_driver ch341_device = {
 	.tiocmget          = ch341_tiocmget,
 	.tiocmset          = ch341_tiocmset,
 	.read_int_callback = ch341_read_int_callback,
-	.attach            = ch341_attach,
+	.port_probe        = ch341_port_probe,
+	.port_remove       = ch341_port_remove,
 	.reset_resume      = ch341_reset_resume,
 };
 
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 28af5acc336..eb033fc92a1 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -162,7 +162,7 @@ static const struct usb_device_id id_table[] = {
 
 MODULE_DEVICE_TABLE(usb, id_table);
 
-struct cp210x_port_private {
+struct cp210x_serial_private {
 	__u8			bInterfaceNumber;
 };
 
@@ -276,7 +276,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
 		unsigned int *data, int size)
 {
 	struct usb_serial *serial = port->serial;
-	struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
+	struct cp210x_serial_private *spriv = usb_get_serial_data(serial);
 	__le32 *buf;
 	int result, i, length;
 
@@ -292,7 +292,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
 	/* Issue the request, attempting to read 'size' bytes */
 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 				request, REQTYPE_INTERFACE_TO_HOST, 0x0000,
-				port_priv->bInterfaceNumber, buf, size,
+				spriv->bInterfaceNumber, buf, size,
 				USB_CTRL_GET_TIMEOUT);
 
 	/* Convert data into an array of integers */
@@ -323,7 +323,7 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		unsigned int *data, int size)
 {
 	struct usb_serial *serial = port->serial;
-	struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
+	struct cp210x_serial_private *spriv = usb_get_serial_data(serial);
 	__le32 *buf;
 	int result, i, length;
 
@@ -345,13 +345,13 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		result = usb_control_msg(serial->dev,
 				usb_sndctrlpipe(serial->dev, 0),
 				request, REQTYPE_HOST_TO_INTERFACE, 0x0000,
-				port_priv->bInterfaceNumber, buf, size,
+				spriv->bInterfaceNumber, buf, size,
 				USB_CTRL_SET_TIMEOUT);
 	} else {
 		result = usb_control_msg(serial->dev,
 				usb_sndctrlpipe(serial->dev, 0),
 				request, REQTYPE_HOST_TO_INTERFACE, data[0],
-				port_priv->bInterfaceNumber, NULL, 0,
+				spriv->bInterfaceNumber, NULL, 0,
 				USB_CTRL_SET_TIMEOUT);
 	}
 
@@ -845,36 +845,30 @@ static void cp210x_break_ctl (struct tty_struct *tty, int break_state)
 
 static int cp210x_startup(struct usb_serial *serial)
 {
-	struct cp210x_port_private *port_priv;
-	int i;
+	struct usb_host_interface *cur_altsetting;
+	struct cp210x_serial_private *spriv;
 
 	/* cp210x buffers behave strangely unless device is reset */
 	usb_reset_device(serial->dev);
 
-	for (i = 0; i < serial->num_ports; i++) {
-		port_priv = kzalloc(sizeof(*port_priv), GFP_KERNEL);
-		if (!port_priv)
-			return -ENOMEM;
+	spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
+	if (!spriv)
+		return -ENOMEM;
 
-		port_priv->bInterfaceNumber =
-		    serial->interface->cur_altsetting->desc.bInterfaceNumber;
+	cur_altsetting = serial->interface->cur_altsetting;
+	spriv->bInterfaceNumber = cur_altsetting->desc.bInterfaceNumber;
 
-		usb_set_serial_port_data(serial->port[i], port_priv);
-	}
+	usb_set_serial_data(serial, spriv);
 
 	return 0;
 }
 
 static void cp210x_release(struct usb_serial *serial)
 {
-	struct cp210x_port_private *port_priv;
-	int i;
+	struct cp210x_serial_private *spriv;
 
-	for (i = 0; i < serial->num_ports; i++) {
-		port_priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(port_priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
+	spriv = usb_get_serial_data(serial);
+	kfree(spriv);
 }
 
 module_usb_serial_driver(serial_drivers, id_table);
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 2a7aecc7223..4ee77dcbe69 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -55,9 +55,9 @@
 #define CYBERJACK_PRODUCT_ID	0x0100
 
 /* Function prototypes */
-static int cyberjack_startup(struct usb_serial *serial);
 static void cyberjack_disconnect(struct usb_serial *serial);
-static void cyberjack_release(struct usb_serial *serial);
+static int cyberjack_port_probe(struct usb_serial_port *port);
+static int cyberjack_port_remove(struct usb_serial_port *port);
 static int  cyberjack_open(struct tty_struct *tty,
 	struct usb_serial_port *port);
 static void cyberjack_close(struct usb_serial_port *port);
@@ -83,9 +83,9 @@ static struct usb_serial_driver cyberjack_device = {
 	.description =		"Reiner SCT Cyberjack USB card reader",
 	.id_table =		id_table,
 	.num_ports =		1,
-	.attach =		cyberjack_startup,
 	.disconnect =		cyberjack_disconnect,
-	.release =		cyberjack_release,
+	.port_probe =		cyberjack_port_probe,
+	.port_remove =		cyberjack_port_remove,
 	.open =			cyberjack_open,
 	.close =		cyberjack_close,
 	.write =		cyberjack_write,
@@ -107,56 +107,45 @@ struct cyberjack_private {
 	short		wrsent;		/* Data already sent */
 };
 
-/* do some startup allocations not currently performed by usb_serial_probe() */
-static int cyberjack_startup(struct usb_serial *serial)
+static int cyberjack_port_probe(struct usb_serial_port *port)
 {
 	struct cyberjack_private *priv;
-	int i;
+	int result;
 
-	/* allocate the private data structure */
 	priv = kmalloc(sizeof(struct cyberjack_private), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	/* set initial values */
 	spin_lock_init(&priv->lock);
 	priv->rdtodo = 0;
 	priv->wrfilled = 0;
 	priv->wrsent = 0;
-	usb_set_serial_port_data(serial->port[0], priv);
 
-	init_waitqueue_head(&serial->port[0]->write_wait);
+	usb_set_serial_port_data(port, priv);
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		int result;
-		result = usb_submit_urb(serial->port[i]->interrupt_in_urb,
-					GFP_KERNEL);
-		if (result)
-			dev_err(&serial->dev->dev,
-				"usb_submit_urb(read int) failed\n");
-		dev_dbg(&serial->dev->dev, "%s - usb_submit_urb(int urb)\n",
-			__func__);
-	}
+	result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+	if (result)
+		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
 
 	return 0;
 }
 
-static void cyberjack_disconnect(struct usb_serial *serial)
+static int cyberjack_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct cyberjack_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i)
-		usb_kill_urb(serial->port[i]->interrupt_in_urb);
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
-static void cyberjack_release(struct usb_serial *serial)
+static void cyberjack_disconnect(struct usb_serial *serial)
 {
 	int i;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		/* My special items, the standard routines free my urbs */
-		kfree(usb_get_serial_port_data(serial->port[i]));
-	}
+	for (i = 0; i < serial->num_ports; ++i)
+		usb_kill_urb(serial->port[i]->interrupt_in_urb);
 }
 
 static int  cyberjack_open(struct tty_struct *tty,
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 1befce21e17..f0da1279c11 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -123,10 +123,10 @@ struct cypress_private {
 };
 
 /* function prototypes for the Cypress USB to serial device */
-static int  cypress_earthmate_startup(struct usb_serial *serial);
-static int  cypress_hidcom_startup(struct usb_serial *serial);
-static int  cypress_ca42v2_startup(struct usb_serial *serial);
-static void cypress_release(struct usb_serial *serial);
+static int  cypress_earthmate_port_probe(struct usb_serial_port *port);
+static int  cypress_hidcom_port_probe(struct usb_serial_port *port);
+static int  cypress_ca42v2_port_probe(struct usb_serial_port *port);
+static int  cypress_port_remove(struct usb_serial_port *port);
 static int  cypress_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void cypress_close(struct usb_serial_port *port);
 static void cypress_dtr_rts(struct usb_serial_port *port, int on);
@@ -156,8 +156,8 @@ static struct usb_serial_driver cypress_earthmate_device = {
 	.description =			"DeLorme Earthmate USB",
 	.id_table =			id_table_earthmate,
 	.num_ports =			1,
-	.attach =			cypress_earthmate_startup,
-	.release =			cypress_release,
+	.port_probe =			cypress_earthmate_port_probe,
+	.port_remove =			cypress_port_remove,
 	.open =				cypress_open,
 	.close =			cypress_close,
 	.dtr_rts =			cypress_dtr_rts,
@@ -182,8 +182,8 @@ static struct usb_serial_driver cypress_hidcom_device = {
 	.description =			"HID->COM RS232 Adapter",
 	.id_table =			id_table_cyphidcomrs232,
 	.num_ports =			1,
-	.attach =			cypress_hidcom_startup,
-	.release =			cypress_release,
+	.port_probe =			cypress_hidcom_port_probe,
+	.port_remove =			cypress_port_remove,
 	.open =				cypress_open,
 	.close =			cypress_close,
 	.dtr_rts =			cypress_dtr_rts,
@@ -208,8 +208,8 @@ static struct usb_serial_driver cypress_ca42v2_device = {
 	.description =			"Nokia CA-42 V2 Adapter",
 	.id_table =			id_table_nokiaca42v2,
 	.num_ports =			1,
-	.attach =			cypress_ca42v2_startup,
-	.release =			cypress_release,
+	.port_probe =			cypress_ca42v2_port_probe,
+	.port_remove =			cypress_port_remove,
 	.open =				cypress_open,
 	.close =			cypress_close,
 	.dtr_rts =			cypress_dtr_rts,
@@ -438,10 +438,10 @@ static void cypress_set_dead(struct usb_serial_port *port)
  *****************************************************************************/
 
 
-static int generic_startup(struct usb_serial *serial)
+static int cypress_generic_port_probe(struct usb_serial_port *port)
 {
+	struct usb_serial *serial = port->serial;
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
 
 	priv = kzalloc(sizeof(struct cypress_private), GFP_KERNEL);
 	if (!priv)
@@ -490,14 +490,16 @@ static int generic_startup(struct usb_serial *serial)
 }
 
 
-static int cypress_earthmate_startup(struct usb_serial *serial)
+static int cypress_earthmate_port_probe(struct usb_serial_port *port)
 {
+	struct usb_serial *serial = port->serial;
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
+	int ret;
 
-	if (generic_startup(serial)) {
+	ret = cypress_generic_port_probe(port);
+	if (ret) {
 		dev_dbg(&port->dev, "%s - Failed setting up port\n", __func__);
-		return 1;
+		return ret;
 	}
 
 	priv = usb_get_serial_port_data(port);
@@ -518,56 +520,53 @@ static int cypress_earthmate_startup(struct usb_serial *serial)
 	}
 
 	return 0;
-} /* cypress_earthmate_startup */
-
+}
 
-static int cypress_hidcom_startup(struct usb_serial *serial)
+static int cypress_hidcom_port_probe(struct usb_serial_port *port)
 {
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
+	int ret;
 
-	if (generic_startup(serial)) {
+	ret = cypress_generic_port_probe(port);
+	if (ret) {
 		dev_dbg(&port->dev, "%s - Failed setting up port\n", __func__);
-		return 1;
+		return ret;
 	}
 
 	priv = usb_get_serial_port_data(port);
 	priv->chiptype = CT_CYPHIDCOM;
 
 	return 0;
-} /* cypress_hidcom_startup */
-
+}
 
-static int cypress_ca42v2_startup(struct usb_serial *serial)
+static int cypress_ca42v2_port_probe(struct usb_serial_port *port)
 {
 	struct cypress_private *priv;
-	struct usb_serial_port *port = serial->port[0];
+	int ret;
 
-	if (generic_startup(serial)) {
+	ret = cypress_generic_port_probe(port);
+	if (ret) {
 		dev_dbg(&port->dev, "%s - Failed setting up port\n", __func__);
-		return 1;
+		return ret;
 	}
 
 	priv = usb_get_serial_port_data(port);
 	priv->chiptype = CT_CA42V2;
 
 	return 0;
-} /* cypress_ca42v2_startup */
-
+}
 
-static void cypress_release(struct usb_serial *serial)
+static int cypress_port_remove(struct usb_serial_port *port)
 {
 	struct cypress_private *priv;
 
-	/* all open ports are closed at this point */
-	priv = usb_get_serial_port_data(serial->port[0]);
+	priv = usb_get_serial_port_data(port);
 
-	if (priv) {
-		kfifo_free(&priv->write_fifo);
-		kfree(priv);
-	}
-}
+	kfifo_free(&priv->write_fifo);
+	kfree(priv);
 
+	return 0;
+}
 
 static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index c86f68c6b07..b50fa1c6d88 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -244,6 +244,8 @@ static int digi_startup_device(struct usb_serial *serial);
 static int digi_startup(struct usb_serial *serial);
 static void digi_disconnect(struct usb_serial *serial);
 static void digi_release(struct usb_serial *serial);
+static int digi_port_probe(struct usb_serial_port *port);
+static int digi_port_remove(struct usb_serial_port *port);
 static void digi_read_bulk_callback(struct urb *urb);
 static int digi_read_inb_callback(struct urb *urb);
 static int digi_read_oob_callback(struct urb *urb);
@@ -294,6 +296,8 @@ static struct usb_serial_driver digi_acceleport_2_device = {
 	.attach =			digi_startup,
 	.disconnect =			digi_disconnect,
 	.release =			digi_release,
+	.port_probe =			digi_port_probe,
+	.port_remove =			digi_port_remove,
 };
 
 static struct usb_serial_driver digi_acceleport_4_device = {
@@ -320,6 +324,8 @@ static struct usb_serial_driver digi_acceleport_4_device = {
 	.attach =			digi_startup,
 	.disconnect =			digi_disconnect,
 	.release =			digi_release,
+	.port_probe =			digi_port_probe,
+	.port_remove =			digi_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
@@ -1240,59 +1246,50 @@ static int digi_startup_device(struct usb_serial *serial)
 	return ret;
 }
 
-
-static int digi_startup(struct usb_serial *serial)
+static int digi_port_init(struct usb_serial_port *port, unsigned port_num)
 {
-
-	int i;
 	struct digi_port *priv;
-	struct digi_serial *serial_priv;
 
-	/* allocate the private data structures for all ports */
-	/* number of regular ports + 1 for the out-of-band port */
-	for (i = 0; i < serial->type->num_ports + 1; i++) {
-		/* allocate port private structure */
-		priv = kmalloc(sizeof(struct digi_port), GFP_KERNEL);
-		if (priv == NULL) {
-			while (--i >= 0)
-				kfree(usb_get_serial_port_data(serial->port[i]));
-			return 1;			/* error */
-		}
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
-		/* initialize port private structure */
-		spin_lock_init(&priv->dp_port_lock);
-		priv->dp_port_num = i;
-		priv->dp_out_buf_len = 0;
-		priv->dp_write_urb_in_use = 0;
-		priv->dp_modem_signals = 0;
-		init_waitqueue_head(&priv->dp_modem_change_wait);
-		priv->dp_transmit_idle = 0;
-		init_waitqueue_head(&priv->dp_transmit_idle_wait);
-		priv->dp_throttled = 0;
-		priv->dp_throttle_restart = 0;
-		init_waitqueue_head(&priv->dp_flush_wait);
-		init_waitqueue_head(&priv->dp_close_wait);
-		INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock);
-		priv->dp_port = serial->port[i];
-		/* initialize write wait queue for this port */
-		init_waitqueue_head(&serial->port[i]->write_wait);
-
-		usb_set_serial_port_data(serial->port[i], priv);
-	}
+	spin_lock_init(&priv->dp_port_lock);
+	priv->dp_port_num = port_num;
+	init_waitqueue_head(&priv->dp_modem_change_wait);
+	init_waitqueue_head(&priv->dp_transmit_idle_wait);
+	init_waitqueue_head(&priv->dp_flush_wait);
+	init_waitqueue_head(&priv->dp_close_wait);
+	INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock);
+	priv->dp_port = port;
 
-	/* allocate serial private structure */
-	serial_priv = kmalloc(sizeof(struct digi_serial), GFP_KERNEL);
-	if (serial_priv == NULL) {
-		for (i = 0; i < serial->type->num_ports + 1; i++)
-			kfree(usb_get_serial_port_data(serial->port[i]));
-		return 1;			/* error */
-	}
+	init_waitqueue_head(&port->write_wait);
+
+	usb_set_serial_port_data(port, priv);
+
+	return 0;
+}
+
+static int digi_startup(struct usb_serial *serial)
+{
+	struct digi_serial *serial_priv;
+	int ret;
+
+	serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL);
+	if (!serial_priv)
+		return -ENOMEM;
 
-	/* initialize serial private structure */
 	spin_lock_init(&serial_priv->ds_serial_lock);
 	serial_priv->ds_oob_port_num = serial->type->num_ports;
 	serial_priv->ds_oob_port = serial->port[serial_priv->ds_oob_port_num];
-	serial_priv->ds_device_started = 0;
+
+	ret = digi_port_init(serial_priv->ds_oob_port,
+						serial_priv->ds_oob_port_num);
+	if (ret) {
+		kfree(serial_priv);
+		return ret;
+	}
+
 	usb_set_serial_data(serial, serial_priv);
 
 	return 0;
@@ -1313,15 +1310,35 @@ static void digi_disconnect(struct usb_serial *serial)
 
 static void digi_release(struct usb_serial *serial)
 {
-	int i;
+	struct digi_serial *serial_priv;
+	struct digi_port *priv;
+
+	serial_priv = usb_get_serial_data(serial);
+
+	priv = usb_get_serial_port_data(serial_priv->ds_oob_port);
+	kfree(priv);
 
-	/* free the private data structures for all ports */
-	/* number of regular ports + 1 for the out-of-band port */
-	for (i = 0; i < serial->type->num_ports + 1; i++)
-		kfree(usb_get_serial_port_data(serial->port[i]));
-	kfree(usb_get_serial_data(serial));
+	kfree(serial_priv);
 }
 
+static int digi_port_probe(struct usb_serial_port *port)
+{
+	unsigned port_num;
+
+	port_num = port->number - port->serial->minor;
+
+	return digi_port_init(port, port_num);
+}
+
+static int digi_port_remove(struct usb_serial_port *port)
+{
+	struct digi_port *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
+}
 
 static void digi_read_bulk_callback(struct urb *urb)
 {
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index 244477107e2..6e4eb57d017 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -318,39 +318,30 @@ static int f81232_ioctl(struct tty_struct *tty,
 	return -ENOIOCTLCMD;
 }
 
-static int f81232_startup(struct usb_serial *serial)
+static int f81232_port_probe(struct usb_serial_port *port)
 {
 	struct f81232_private *priv;
-	int i;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct f81232_private), GFP_KERNEL);
-		if (!priv)
-			goto cleanup;
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
-		usb_set_serial_port_data(serial->port[i], priv);
-	}
-	return 0;
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
-cleanup:
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->delta_msr_wait);
+
+	usb_set_serial_port_data(port, priv);
+
+	return 0;
 }
 
-static void f81232_release(struct usb_serial *serial)
+static int f81232_port_remove(struct usb_serial_port *port)
 {
-	int i;
 	struct f81232_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-	}
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static struct usb_serial_driver f81232_device = {
@@ -373,8 +364,8 @@ static struct usb_serial_driver f81232_device = {
 	.tiocmset =		f81232_tiocmset,
 	.process_read_urb =	f81232_process_read_urb,
 	.read_int_callback =	f81232_read_int_callback,
-	.attach =		f81232_startup,
-	.release =		f81232_release,
+	.port_probe =		f81232_port_probe,
+	.port_remove =		f81232_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 3ee92648c02..203358d7e7b 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1405,11 +1405,10 @@ static void timeout_handler(unsigned long data)
 
 
 
-static int garmin_attach(struct usb_serial *serial)
+static int garmin_port_probe(struct usb_serial_port *port)
 {
-	int status = 0;
-	struct usb_serial_port *port = serial->port[0];
-	struct garmin_data *garmin_data_p = NULL;
+	int status;
+	struct garmin_data *garmin_data_p;
 
 	garmin_data_p = kzalloc(sizeof(struct garmin_data), GFP_KERNEL);
 	if (garmin_data_p == NULL) {
@@ -1434,22 +1433,14 @@ static int garmin_attach(struct usb_serial *serial)
 }
 
 
-static void garmin_disconnect(struct usb_serial *serial)
+static int garmin_port_remove(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct garmin_data *garmin_data_p = usb_get_serial_port_data(port);
 
 	usb_kill_urb(port->interrupt_in_urb);
 	del_timer_sync(&garmin_data_p->timer);
-}
-
-
-static void garmin_release(struct usb_serial *serial)
-{
-	struct usb_serial_port *port = serial->port[0];
-	struct garmin_data *garmin_data_p = usb_get_serial_port_data(port);
-
 	kfree(garmin_data_p);
+	return 0;
 }
 
 
@@ -1466,9 +1457,8 @@ static struct usb_serial_driver garmin_device = {
 	.close               = garmin_close,
 	.throttle            = garmin_throttle,
 	.unthrottle          = garmin_unthrottle,
-	.attach              = garmin_attach,
-	.disconnect          = garmin_disconnect,
-	.release             = garmin_release,
+	.port_probe		= garmin_port_probe,
+	.port_remove		= garmin_port_remove,
 	.write               = garmin_write,
 	.write_room          = garmin_write_room,
 	.write_bulk_callback = garmin_write_bulk_callback,
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 8e6faaf3580..5acc0d13864 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -225,6 +225,8 @@ static int  edge_get_icount(struct tty_struct *tty,
 static int  edge_startup(struct usb_serial *serial);
 static void edge_disconnect(struct usb_serial *serial);
 static void edge_release(struct usb_serial *serial);
+static int edge_port_probe(struct usb_serial_port *port);
+static int edge_port_remove(struct usb_serial_port *port);
 
 #include "io_tables.h"	/* all of the devices that this driver supports */
 
@@ -2875,10 +2877,9 @@ static void load_application_firmware(struct edgeport_serial *edge_serial)
 static int edge_startup(struct usb_serial *serial)
 {
 	struct edgeport_serial *edge_serial;
-	struct edgeport_port *edge_port;
 	struct usb_device *dev;
 	struct device *ddev = &serial->dev->dev;
-	int i, j;
+	int i;
 	int response;
 	bool interrupt_in_found;
 	bool bulk_in_found;
@@ -2961,25 +2962,6 @@ static int edge_startup(struct usb_serial *serial)
 	/* we set up the pointers to the endpoints in the edge_open function,
 	 * as the structures aren't created yet. */
 
-	/* set up our port private structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL);
-		if (edge_port == NULL) {
-			dev_err(ddev, "%s - Out of memory\n", __func__);
-			for (j = 0; j < i; ++j) {
-				kfree(usb_get_serial_port_data(serial->port[j]));
-				usb_set_serial_port_data(serial->port[j],
-									NULL);
-			}
-			usb_set_serial_data(serial, NULL);
-			kfree(edge_serial);
-			return -ENOMEM;
-		}
-		spin_lock_init(&edge_port->ep_lock);
-		edge_port->port = serial->port[i];
-		usb_set_serial_port_data(serial->port[i], edge_port);
-	}
-
 	response = 0;
 
 	if (edge_serial->is_epic) {
@@ -3120,14 +3102,36 @@ static void edge_disconnect(struct usb_serial *serial)
 static void edge_release(struct usb_serial *serial)
 {
 	struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
-	int i;
-
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
 
 	kfree(edge_serial);
 }
 
+static int edge_port_probe(struct usb_serial_port *port)
+{
+	struct edgeport_port *edge_port;
+
+	edge_port = kzalloc(sizeof(*edge_port), GFP_KERNEL);
+	if (!edge_port)
+		return -ENOMEM;
+
+	spin_lock_init(&edge_port->ep_lock);
+	edge_port->port = port;
+
+	usb_set_serial_port_data(port, edge_port);
+
+	return 0;
+}
+
+static int edge_port_remove(struct usb_serial_port *port)
+{
+	struct edgeport_port *edge_port;
+
+	edge_port = usb_get_serial_port_data(port);
+	kfree(edge_port);
+
+	return 0;
+}
+
 module_usb_serial_driver(serial_drivers, id_table_combined);
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
diff --git a/drivers/usb/serial/io_tables.h b/drivers/usb/serial/io_tables.h
index 350afddb55b..1511dd0ad32 100644
--- a/drivers/usb/serial/io_tables.h
+++ b/drivers/usb/serial/io_tables.h
@@ -110,6 +110,8 @@ static struct usb_serial_driver edgeport_2port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -139,6 +141,8 @@ static struct usb_serial_driver edgeport_4port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -168,6 +172,8 @@ static struct usb_serial_driver edgeport_8port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -197,6 +203,8 @@ static struct usb_serial_driver epic_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index a2209cd4509..60023c2d2a3 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2532,12 +2532,7 @@ static void edge_break(struct tty_struct *tty, int break_state)
 static int edge_startup(struct usb_serial *serial)
 {
 	struct edgeport_serial *edge_serial;
-	struct edgeport_port *edge_port;
-	struct usb_device *dev;
 	int status;
-	int i;
-
-	dev = serial->dev;
 
 	/* create our private serial structure */
 	edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);
@@ -2555,40 +2550,7 @@ static int edge_startup(struct usb_serial *serial)
 		return status;
 	}
 
-	/* set up our port private structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL);
-		if (edge_port == NULL) {
-			dev_err(&serial->dev->dev, "%s - Out of memory\n",
-								__func__);
-			goto cleanup;
-		}
-		spin_lock_init(&edge_port->ep_lock);
-		if (kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE,
-								GFP_KERNEL)) {
-			dev_err(&serial->dev->dev, "%s - Out of memory\n",
-								__func__);
-			kfree(edge_port);
-			goto cleanup;
-		}
-		edge_port->port = serial->port[i];
-		edge_port->edge_serial = edge_serial;
-		usb_set_serial_port_data(serial->port[i], edge_port);
-		edge_port->bUartMode = default_uart_mode;
-	}
-
 	return 0;
-
-cleanup:
-	for (--i; i >= 0; --i) {
-		edge_port = usb_get_serial_port_data(serial->port[i]);
-		kfifo_free(&edge_port->write_fifo);
-		kfree(edge_port);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	kfree(edge_serial);
-	usb_set_serial_data(serial, NULL);
-	return -ENOMEM;
 }
 
 static void edge_disconnect(struct usb_serial *serial)
@@ -2597,17 +2559,54 @@ static void edge_disconnect(struct usb_serial *serial)
 
 static void edge_release(struct usb_serial *serial)
 {
-	int i;
+	kfree(usb_get_serial_data(serial));
+}
+
+static int edge_port_probe(struct usb_serial_port *port)
+{
 	struct edgeport_port *edge_port;
+	int ret;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = usb_get_serial_port_data(serial->port[i]);
+	edge_port = kzalloc(sizeof(*edge_port), GFP_KERNEL);
+	if (!edge_port)
+		return -ENOMEM;
+
+	ret = kfifo_alloc(&edge_port->write_fifo, EDGE_OUT_BUF_SIZE,
+								GFP_KERNEL);
+	if (ret) {
+		kfree(edge_port);
+		return -ENOMEM;
+	}
+
+	spin_lock_init(&edge_port->ep_lock);
+	edge_port->port = port;
+	edge_port->edge_serial = usb_get_serial_data(port->serial);
+	edge_port->bUartMode = default_uart_mode;
+
+	usb_set_serial_port_data(port, edge_port);
+
+	ret = edge_create_sysfs_attrs(port);
+	if (ret) {
 		kfifo_free(&edge_port->write_fifo);
 		kfree(edge_port);
+		return ret;
 	}
-	kfree(usb_get_serial_data(serial));
+
+	return 0;
 }
 
+static int edge_port_remove(struct usb_serial_port *port)
+{
+	struct edgeport_port *edge_port;
+
+	edge_port = usb_get_serial_port_data(port);
+
+	edge_remove_sysfs_attrs(port);
+	kfifo_free(&edge_port->write_fifo);
+	kfree(edge_port);
+
+	return 0;
+}
 
 /* Sysfs Attributes */
 
@@ -2667,8 +2666,8 @@ static struct usb_serial_driver edgeport_1port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
-	.port_probe		= edge_create_sysfs_attrs,
-	.port_remove		= edge_remove_sysfs_attrs,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -2698,8 +2697,8 @@ static struct usb_serial_driver edgeport_2port_device = {
 	.attach			= edge_startup,
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
-	.port_probe		= edge_create_sysfs_attrs,
-	.port_remove		= edge_remove_sysfs_attrs,
+	.port_probe		= edge_port_probe,
+	.port_remove		= edge_port_remove,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 20a132ec39e..4264821a3b3 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -203,8 +203,7 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
 	return 0;
 }
 
-/* fake probe - only to allocate data structures */
-static int ipw_probe(struct usb_serial *serial, const struct usb_device_id *id)
+static int ipw_attach(struct usb_serial *serial)
 {
 	struct usb_wwan_intf_private *data;
 
@@ -303,9 +302,9 @@ static struct usb_serial_driver ipw_device = {
 	.num_ports =		1,
 	.open =			ipw_open,
 	.close =		ipw_close,
-	.probe =		ipw_probe,
-	.attach =		usb_wwan_startup,
+	.attach =		ipw_attach,
 	.release =		ipw_release,
+	.port_probe =		usb_wwan_port_probe,
 	.port_remove =		usb_wwan_port_remove,
 	.dtr_rts =		ipw_dtr_rts,
 	.write =		usb_wwan_write,
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 01da3ea36e8..cd5533e81de 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -53,6 +53,8 @@ static int iuu_cardout;
 static bool xmas;
 static int vcc_default = 5;
 
+static int iuu_create_sysfs_attrs(struct usb_serial_port *port);
+static int iuu_remove_sysfs_attrs(struct usb_serial_port *port);
 static void read_rxcmd_callback(struct urb *urb);
 
 struct iuu_private {
@@ -72,63 +74,55 @@ struct iuu_private {
 	u32 clk;
 };
 
-
-static void iuu_free_buf(struct iuu_private *priv)
-{
-	kfree(priv->buf);
-	kfree(priv->writebuf);
-}
-
-static int iuu_alloc_buf(struct usb_serial *serial, struct iuu_private *priv)
-{
-	priv->buf = kzalloc(256, GFP_KERNEL);
-	priv->writebuf = kzalloc(256, GFP_KERNEL);
-	if (!priv->buf || !priv->writebuf) {
-		iuu_free_buf(priv);
-		dev_dbg(&serial->dev->dev, "%s problem allocation buffer\n", __func__);
-		return -ENOMEM;
-	}
-	dev_dbg(&serial->dev->dev, "%s - Privates buffers allocation success\n", __func__);
-	return 0;
-}
-
-static int iuu_startup(struct usb_serial *serial)
+static int iuu_port_probe(struct usb_serial_port *port)
 {
 	struct iuu_private *priv;
+	int ret;
 
 	priv = kzalloc(sizeof(struct iuu_private), GFP_KERNEL);
-	dev_dbg(&serial->dev->dev, "%s- priv allocation success\n", __func__);
 	if (!priv)
 		return -ENOMEM;
-	if (iuu_alloc_buf(serial, priv)) {
+
+	priv->buf = kzalloc(256, GFP_KERNEL);
+	if (!priv->buf) {
+		kfree(priv);
+		return -ENOMEM;
+	}
+
+	priv->writebuf = kzalloc(256, GFP_KERNEL);
+	if (!priv->writebuf) {
+		kfree(priv->buf);
 		kfree(priv);
 		return -ENOMEM;
 	}
+
 	priv->vcc = vcc_default;
 	spin_lock_init(&priv->lock);
 	init_waitqueue_head(&priv->delta_msr_wait);
-	usb_set_serial_port_data(serial->port[0], priv);
+
+	usb_set_serial_port_data(port, priv);
+
+	ret = iuu_create_sysfs_attrs(port);
+	if (ret) {
+		kfree(priv->writebuf);
+		kfree(priv->buf);
+		kfree(priv);
+		return ret;
+	}
+
 	return 0;
 }
 
-/* Release function */
-static void iuu_release(struct usb_serial *serial)
+static int iuu_port_remove(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct iuu_private *priv = usb_get_serial_port_data(port);
-	if (!port)
-		return;
 
-	if (priv) {
-		iuu_free_buf(priv);
-		dev_dbg(&port->dev, "%s - I will free all\n", __func__);
-		usb_set_serial_port_data(port, NULL);
-
-		dev_dbg(&port->dev, "%s - priv is not anymore in port structure\n", __func__);
-		kfree(priv);
+	iuu_remove_sysfs_attrs(port);
+	kfree(priv->writebuf);
+	kfree(priv->buf);
+	kfree(priv);
 
-		dev_dbg(&port->dev, "%s priv is now kfree\n", __func__);
-	}
+	return 0;
 }
 
 static int iuu_tiocmset(struct tty_struct *tty,
@@ -1215,8 +1209,6 @@ static struct usb_serial_driver iuu_device = {
 	.num_ports = 1,
 	.bulk_in_size = 512,
 	.bulk_out_size = 512,
-	.port_probe = iuu_create_sysfs_attrs,
-	.port_remove = iuu_remove_sysfs_attrs,
 	.open = iuu_open,
 	.close = iuu_close,
 	.write = iuu_uart_write,
@@ -1225,8 +1217,8 @@ static struct usb_serial_driver iuu_device = {
 	.tiocmset = iuu_tiocmset,
 	.set_termios = iuu_set_termios,
 	.init_termios = iuu_init_termios,
-	.attach = iuu_startup,
-	.release = iuu_release,
+	.port_probe = iuu_port_probe,
+	.port_remove = iuu_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 29c943d737d..7179b0c5f81 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1374,13 +1374,9 @@ static struct callbacks {
 	   data in device_details */
 static void keyspan_setup_urbs(struct usb_serial *serial)
 {
-	int				i, j;
 	struct keyspan_serial_private 	*s_priv;
 	const struct keyspan_device_details	*d_details;
-	struct usb_serial_port		*port;
-	struct keyspan_port_private	*p_priv;
 	struct callbacks		*cback;
-	int				endp;
 
 	s_priv = usb_get_serial_data(serial);
 	d_details = s_priv->device_details;
@@ -1404,45 +1400,6 @@ static void keyspan_setup_urbs(struct usb_serial *serial)
 		(serial, d_details->glocont_endpoint, USB_DIR_OUT,
 		 serial, s_priv->glocont_buf, GLOCONT_BUFLEN,
 		 cback->glocont_callback);
-
-	/* Setup endpoints for each port specific thing */
-	for (i = 0; i < d_details->num_ports; i++) {
-		port = serial->port[i];
-		p_priv = usb_get_serial_port_data(port);
-
-		/* Do indat endpoints first, once for each flip */
-		endp = d_details->indat_endpoints[i];
-		for (j = 0; j <= d_details->indat_endp_flip; ++j, ++endp) {
-			p_priv->in_urbs[j] = keyspan_setup_urb
-				(serial, endp, USB_DIR_IN, port,
-				 p_priv->in_buffer[j], 64,
-				 cback->indat_callback);
-		}
-		for (; j < 2; ++j)
-			p_priv->in_urbs[j] = NULL;
-
-		/* outdat endpoints also have flip */
-		endp = d_details->outdat_endpoints[i];
-		for (j = 0; j <= d_details->outdat_endp_flip; ++j, ++endp) {
-			p_priv->out_urbs[j] = keyspan_setup_urb
-				(serial, endp, USB_DIR_OUT, port,
-				 p_priv->out_buffer[j], 64,
-				 cback->outdat_callback);
-		}
-		for (; j < 2; ++j)
-			p_priv->out_urbs[j] = NULL;
-
-		/* inack endpoint */
-		p_priv->inack_urb = keyspan_setup_urb
-			(serial, d_details->inack_endpoints[i], USB_DIR_IN,
-			 port, p_priv->inack_buffer, 1, cback->inack_callback);
-
-		/* outcont endpoint */
-		p_priv->outcont_urb = keyspan_setup_urb
-			(serial, d_details->outcont_endpoints[i], USB_DIR_OUT,
-			 port, p_priv->outcont_buffer, 64,
-			 cback->outcont_callback);
-	}
 }
 
 /* usa19 function doesn't require prescaler */
@@ -2407,9 +2364,7 @@ static void keyspan_send_setup(struct usb_serial_port *port, int reset_port)
 static int keyspan_startup(struct usb_serial *serial)
 {
 	int				i, err;
-	struct usb_serial_port		*port;
 	struct keyspan_serial_private 	*s_priv;
-	struct keyspan_port_private	*p_priv;
 	const struct keyspan_device_details	*d_details;
 
 	for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i)
@@ -2432,19 +2387,6 @@ static int keyspan_startup(struct usb_serial *serial)
 	s_priv->device_details = d_details;
 	usb_set_serial_data(serial, s_priv);
 
-	/* Now setup per port private data */
-	for (i = 0; i < serial->num_ports; i++) {
-		port = serial->port[i];
-		p_priv = kzalloc(sizeof(struct keyspan_port_private),
-								GFP_KERNEL);
-		if (!p_priv) {
-			dev_dbg(&port->dev, "%s - kmalloc for keyspan_port_private (%d) failed!.\n", __func__, i);
-			return 1;
-		}
-		p_priv->device_details = d_details;
-		usb_set_serial_port_data(port, p_priv);
-	}
-
 	keyspan_setup_urbs(serial);
 
 	if (s_priv->instat_urb != NULL) {
@@ -2463,59 +2405,112 @@ static int keyspan_startup(struct usb_serial *serial)
 
 static void keyspan_disconnect(struct usb_serial *serial)
 {
-	int				i, j;
-	struct usb_serial_port		*port;
-	struct keyspan_serial_private 	*s_priv;
-	struct keyspan_port_private	*p_priv;
+	struct keyspan_serial_private *s_priv;
 
 	s_priv = usb_get_serial_data(serial);
 
-	/* Stop reading/writing urbs */
 	stop_urb(s_priv->instat_urb);
 	stop_urb(s_priv->glocont_urb);
 	stop_urb(s_priv->indat_urb);
-	for (i = 0; i < serial->num_ports; ++i) {
-		port = serial->port[i];
-		p_priv = usb_get_serial_port_data(port);
-		stop_urb(p_priv->inack_urb);
-		stop_urb(p_priv->outcont_urb);
-		for (j = 0; j < 2; j++) {
-			stop_urb(p_priv->in_urbs[j]);
-			stop_urb(p_priv->out_urbs[j]);
-		}
-	}
+}
+
+static void keyspan_release(struct usb_serial *serial)
+{
+	struct keyspan_serial_private *s_priv;
+
+	s_priv = usb_get_serial_data(serial);
 
-	/* Now free them */
 	usb_free_urb(s_priv->instat_urb);
 	usb_free_urb(s_priv->indat_urb);
 	usb_free_urb(s_priv->glocont_urb);
-	for (i = 0; i < serial->num_ports; ++i) {
-		port = serial->port[i];
-		p_priv = usb_get_serial_port_data(port);
-		usb_free_urb(p_priv->inack_urb);
-		usb_free_urb(p_priv->outcont_urb);
-		for (j = 0; j < 2; j++) {
-			usb_free_urb(p_priv->in_urbs[j]);
-			usb_free_urb(p_priv->out_urbs[j]);
-		}
-	}
+
+	kfree(s_priv);
 }
 
-static void keyspan_release(struct usb_serial *serial)
+static int keyspan_port_probe(struct usb_serial_port *port)
 {
-	int				i;
-	struct usb_serial_port		*port;
-	struct keyspan_serial_private 	*s_priv;
+	struct usb_serial *serial = port->serial;
+	struct keyspan_port_private *s_priv;
+	struct keyspan_port_private *p_priv;
+	const struct keyspan_device_details *d_details;
+	struct callbacks *cback;
+	int endp;
+	int port_num;
+	int i;
 
 	s_priv = usb_get_serial_data(serial);
+	d_details = s_priv->device_details;
 
-	kfree(s_priv);
+	p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL);
+	if (!p_priv)
+		return -ENOMEM;
 
-	/* Now free per port private data */
-	for (i = 0; i < serial->num_ports; i++) {
-		port = serial->port[i];
-		kfree(usb_get_serial_port_data(port));
+	s_priv = usb_get_serial_data(port->serial);
+	p_priv->device_details = d_details;
+
+	/* Setup values for the various callback routines */
+	cback = &keyspan_callbacks[d_details->msg_format];
+
+	port_num = port->number - port->serial->minor;
+
+	/* Do indat endpoints first, once for each flip */
+	endp = d_details->indat_endpoints[port_num];
+	for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) {
+		p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp,
+						USB_DIR_IN, port,
+						p_priv->in_buffer[i], 64,
+						cback->indat_callback);
+	}
+	/* outdat endpoints also have flip */
+	endp = d_details->outdat_endpoints[port_num];
+	for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) {
+		p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp,
+						USB_DIR_OUT, port,
+						p_priv->out_buffer[i], 64,
+						cback->outdat_callback);
+	}
+	/* inack endpoint */
+	p_priv->inack_urb = keyspan_setup_urb(serial,
+					d_details->inack_endpoints[port_num],
+					USB_DIR_IN, port,
+					p_priv->inack_buffer, 1,
+					cback->inack_callback);
+	/* outcont endpoint */
+	p_priv->outcont_urb = keyspan_setup_urb(serial,
+					d_details->outcont_endpoints[port_num],
+					USB_DIR_OUT, port,
+					p_priv->outcont_buffer, 64,
+					 cback->outcont_callback);
+
+	usb_set_serial_port_data(port, p_priv);
+
+	return 0;
+}
+
+static int keyspan_port_remove(struct usb_serial_port *port)
+{
+	struct keyspan_port_private *p_priv;
+	int i;
+
+	p_priv = usb_get_serial_port_data(port);
+
+	stop_urb(p_priv->inack_urb);
+	stop_urb(p_priv->outcont_urb);
+	for (i = 0; i < 2; i++) {
+		stop_urb(p_priv->in_urbs[i]);
+		stop_urb(p_priv->out_urbs[i]);
+	}
+
+	usb_free_urb(p_priv->inack_urb);
+	usb_free_urb(p_priv->outcont_urb);
+	for (i = 0; i < 2; i++) {
+		usb_free_urb(p_priv->in_urbs[i]);
+		usb_free_urb(p_priv->out_urbs[i]);
 	}
+
+	kfree(p_priv);
+
+	return 0;
 }
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h
index 0a8a40b5711..0273dda303a 100644
--- a/drivers/usb/serial/keyspan.h
+++ b/drivers/usb/serial/keyspan.h
@@ -42,6 +42,8 @@ static void keyspan_dtr_rts		(struct usb_serial_port *port, int on);
 static int  keyspan_startup		(struct usb_serial *serial);
 static void keyspan_disconnect		(struct usb_serial *serial);
 static void keyspan_release		(struct usb_serial *serial);
+static int keyspan_port_probe(struct usb_serial_port *port);
+static int keyspan_port_remove(struct usb_serial_port *port);
 static int  keyspan_write_room		(struct tty_struct *tty);
 
 static int  keyspan_write		(struct tty_struct *tty,
@@ -567,6 +569,8 @@ static struct usb_serial_driver keyspan_1port_device = {
 	.attach			= keyspan_startup,
 	.disconnect		= keyspan_disconnect,
 	.release		= keyspan_release,
+	.port_probe		= keyspan_port_probe,
+	.port_remove		= keyspan_port_remove,
 };
 
 static struct usb_serial_driver keyspan_2port_device = {
@@ -589,6 +593,8 @@ static struct usb_serial_driver keyspan_2port_device = {
 	.attach			= keyspan_startup,
 	.disconnect		= keyspan_disconnect,
 	.release		= keyspan_release,
+	.port_probe		= keyspan_port_probe,
+	.port_remove		= keyspan_port_remove,
 };
 
 static struct usb_serial_driver keyspan_4port_device = {
@@ -611,6 +617,8 @@ static struct usb_serial_driver keyspan_4port_device = {
 	.attach			= keyspan_startup,
 	.disconnect		= keyspan_disconnect,
 	.release		= keyspan_release,
+	.port_probe		= keyspan_port_probe,
+	.port_remove		= keyspan_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index ca43ecb4a2b..bb87e29c4ac 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -713,29 +713,33 @@ MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw");
 MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw");
 #endif
 
-static int keyspan_pda_startup(struct usb_serial *serial)
+static int keyspan_pda_port_probe(struct usb_serial_port *port)
 {
 
 	struct keyspan_pda_private *priv;
 
-	/* allocate the private data structures for all ports. Well, for all
-	   one ports. */
-
 	priv = kmalloc(sizeof(struct keyspan_pda_private), GFP_KERNEL);
 	if (!priv)
-		return 1; /* error */
-	usb_set_serial_port_data(serial->port[0], priv);
-	init_waitqueue_head(&serial->port[0]->write_wait);
+		return -ENOMEM;
+
 	INIT_WORK(&priv->wakeup_work, keyspan_pda_wakeup_write);
 	INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle);
-	priv->serial = serial;
-	priv->port = serial->port[0];
+	priv->serial = port->serial;
+	priv->port = port;
+
+	usb_set_serial_port_data(port, priv);
+
 	return 0;
 }
 
-static void keyspan_pda_release(struct usb_serial *serial)
+static int keyspan_pda_port_remove(struct usb_serial_port *port)
 {
-	kfree(usb_get_serial_port_data(serial->port[0]));
+	struct keyspan_pda_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 #ifdef KEYSPAN
@@ -786,8 +790,8 @@ static struct usb_serial_driver keyspan_pda_device = {
 	.break_ctl =		keyspan_pda_break_ctl,
 	.tiocmget =		keyspan_pda_tiocmget,
 	.tiocmset =		keyspan_pda_tiocmset,
-	.attach =		keyspan_pda_startup,
-	.release =		keyspan_pda_release,
+	.port_probe =		keyspan_pda_port_probe,
+	.port_remove =		keyspan_pda_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 3f6d7376c02..1f4517864cd 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -60,8 +60,8 @@
 /*
  * Function prototypes
  */
-static int  klsi_105_startup(struct usb_serial *serial);
-static void klsi_105_release(struct usb_serial *serial);
+static int klsi_105_port_probe(struct usb_serial_port *port);
+static int klsi_105_port_remove(struct usb_serial_port *port);
 static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void klsi_105_close(struct usb_serial_port *port);
 static void klsi_105_set_termios(struct tty_struct *tty,
@@ -99,8 +99,8 @@ static struct usb_serial_driver kl5kusb105d_device = {
 	/*.break_ctl =		klsi_105_break_ctl,*/
 	.tiocmget =		klsi_105_tiocmget,
 	.tiocmset =		klsi_105_tiocmset,
-	.attach =		klsi_105_startup,
-	.release =		klsi_105_release,
+	.port_probe =		klsi_105_port_probe,
+	.port_remove =		klsi_105_port_remove,
 	.throttle =		usb_serial_generic_throttle,
 	.unthrottle =		usb_serial_generic_unthrottle,
 	.process_read_urb =	klsi_105_process_read_urb,
@@ -223,60 +223,40 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
  * Driver's tty interface functions
  */
 
-static int klsi_105_startup(struct usb_serial *serial)
+static int klsi_105_port_probe(struct usb_serial_port *port)
 {
 	struct klsi_105_private *priv;
-	int i;
 
-	/* check if we support the product id (see keyspan.c)
-	 * FIXME
-	 */
+	priv = kmalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
-	/* allocate the private data structure */
-	for (i = 0; i < serial->num_ports; i++) {
-		priv = kmalloc(sizeof(struct klsi_105_private),
-						   GFP_KERNEL);
-		if (!priv) {
-			dev_dbg(&serial->interface->dev,
-				"%s - kmalloc for klsi_105_private failed.\n",
-				__func__);
-			i--;
-			goto err_cleanup;
-		}
-		/* set initial values for control structures */
-		priv->cfg.pktlen    = 5;
-		priv->cfg.baudrate  = kl5kusb105a_sio_b9600;
-		priv->cfg.databits  = kl5kusb105a_dtb_8;
-		priv->cfg.unknown1  = 0;
-		priv->cfg.unknown2  = 1;
+	/* set initial values for control structures */
+	priv->cfg.pktlen    = 5;
+	priv->cfg.baudrate  = kl5kusb105a_sio_b9600;
+	priv->cfg.databits  = kl5kusb105a_dtb_8;
+	priv->cfg.unknown1  = 0;
+	priv->cfg.unknown2  = 1;
 
-		priv->line_state    = 0;
+	priv->line_state    = 0;
 
-		usb_set_serial_port_data(serial->port[i], priv);
+	spin_lock_init(&priv->lock);
 
-		spin_lock_init(&priv->lock);
+	/* priv->termios is left uninitialized until port opening */
 
-		/* priv->termios is left uninitialized until port opening */
-		init_waitqueue_head(&serial->port[i]->write_wait);
-	}
+	usb_set_serial_port_data(port, priv);
 
 	return 0;
-
-err_cleanup:
-	for (; i >= 0; i--) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
 }
 
-static void klsi_105_release(struct usb_serial *serial)
+static int klsi_105_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct klsi_105_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
 
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	return 0;
 }
 
 static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 5c4d2fbd4e1..c9ca7a5b12e 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -54,8 +54,8 @@
 
 
 /* Function prototypes */
-static int  kobil_startup(struct usb_serial *serial);
-static void kobil_release(struct usb_serial *serial);
+static int kobil_port_probe(struct usb_serial_port *probe);
+static int kobil_port_remove(struct usb_serial_port *probe);
 static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void kobil_close(struct usb_serial_port *port);
 static int  kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -89,8 +89,8 @@ static struct usb_serial_driver kobil_device = {
 	.description =		"KOBIL USB smart card terminal",
 	.id_table =		id_table,
 	.num_ports =		1,
-	.attach =		kobil_startup,
-	.release =		kobil_release,
+	.port_probe =		kobil_port_probe,
+	.port_remove =		kobil_port_remove,
 	.ioctl =		kobil_ioctl,
 	.set_termios =		kobil_set_termios,
 	.init_termios =		kobil_init_termios,
@@ -117,9 +117,10 @@ struct kobil_private {
 };
 
 
-static int kobil_startup(struct usb_serial *serial)
+static int kobil_port_probe(struct usb_serial_port *port)
 {
 	int i;
+	struct usb_serial *serial = port->serial;
 	struct kobil_private *priv;
 	struct usb_device *pdev;
 	struct usb_host_config *actconfig;
@@ -149,7 +150,7 @@ static int kobil_startup(struct usb_serial *serial)
 		dev_dbg(&serial->dev->dev, "KOBIL KAAN SIM detected\n");
 		break;
 	}
-	usb_set_serial_port_data(serial->port[0], priv);
+	usb_set_serial_port_data(port, priv);
 
 	/* search for the necessary endpoints */
 	pdev = serial->dev;
@@ -179,12 +180,14 @@ static int kobil_startup(struct usb_serial *serial)
 }
 
 
-static void kobil_release(struct usb_serial *serial)
+static int kobil_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct kobil_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static void kobil_init_termios(struct tty_struct *tty)
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index f3947712e13..8a208100410 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -49,7 +49,8 @@
  * Function prototypes
  */
 static int  mct_u232_startup(struct usb_serial *serial);
-static void mct_u232_release(struct usb_serial *serial);
+static int  mct_u232_port_probe(struct usb_serial_port *port);
+static int  mct_u232_port_remove(struct usb_serial_port *remove);
 static int  mct_u232_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void mct_u232_close(struct usb_serial_port *port);
 static void mct_u232_dtr_rts(struct usb_serial_port *port, int on);
@@ -99,7 +100,8 @@ static struct usb_serial_driver mct_u232_device = {
 	.tiocmget =	     mct_u232_tiocmget,
 	.tiocmset =	     mct_u232_tiocmset,
 	.attach =	     mct_u232_startup,
-	.release =	     mct_u232_release,
+	.port_probe =        mct_u232_port_probe,
+	.port_remove =       mct_u232_port_remove,
 	.ioctl =             mct_u232_ioctl,
 	.get_icount =        mct_u232_get_icount,
 };
@@ -388,18 +390,8 @@ static void mct_u232_msr_to_state(struct usb_serial_port *port,
 
 static int mct_u232_startup(struct usb_serial *serial)
 {
-	struct mct_u232_private *priv;
 	struct usb_serial_port *port, *rport;
 
-	priv = kzalloc(sizeof(struct mct_u232_private), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-	spin_lock_init(&priv->lock);
-	init_waitqueue_head(&priv->msr_wait);
-	usb_set_serial_port_data(serial->port[0], priv);
-
-	init_waitqueue_head(&serial->port[0]->write_wait);
-
 	/* Puh, that's dirty */
 	port = serial->port[0];
 	rport = serial->port[1];
@@ -412,18 +404,31 @@ static int mct_u232_startup(struct usb_serial *serial)
 	return 0;
 } /* mct_u232_startup */
 
+static int mct_u232_port_probe(struct usb_serial_port *port)
+{
+	struct mct_u232_private *priv;
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->msr_wait);
+
+	usb_set_serial_port_data(port, priv);
 
-static void mct_u232_release(struct usb_serial *serial)
+	return 0;
+}
+
+static int mct_u232_port_remove(struct usb_serial_port *port)
 {
 	struct mct_u232_private *priv;
-	int i;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		/* My special items, the standard routines free my urbs */
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-	}
-} /* mct_u232_release */
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
+}
 
 static int  mct_u232_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
@@ -515,12 +520,14 @@ static void mct_u232_dtr_rts(struct usb_serial_port *port, int on)
 
 static void mct_u232_close(struct usb_serial_port *port)
 {
-	if (port->serial->dev) {
-		/* shutdown our urbs */
-		usb_kill_urb(port->write_urb);
-		usb_kill_urb(port->read_urb);
-		usb_kill_urb(port->interrupt_in_urb);
-	}
+	/*
+	 * Must kill the read urb as it is actually an interrupt urb, which
+	 * generic close thus fails to kill.
+	 */
+	usb_kill_urb(port->read_urb);
+	usb_kill_urb(port->interrupt_in_urb);
+
+	usb_serial_generic_close(port);
 } /* mct_u232_close */
 
 
diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c
index 0b257ddffbd..6f29c74eb76 100644
--- a/drivers/usb/serial/metro-usb.c
+++ b/drivers/usb/serial/metro-usb.c
@@ -179,16 +179,13 @@ static void metrousb_cleanup(struct usb_serial_port *port)
 {
 	dev_dbg(&port->dev, "%s\n", __func__);
 
-	if (port->serial->dev) {
-		/* Shutdown any interrupt in urbs. */
-		if (port->interrupt_in_urb) {
-			usb_unlink_urb(port->interrupt_in_urb);
-			usb_kill_urb(port->interrupt_in_urb);
-		}
-
-		/* Send deactivate cmd to device */
+	usb_unlink_urb(port->interrupt_in_urb);
+	usb_kill_urb(port->interrupt_in_urb);
+
+	mutex_lock(&port->serial->disc_mutex);
+	if (!port->serial->disconnected)
 		metrousb_send_unidirectional_cmd(UNI_CMD_CLOSE, port);
-	}
+	mutex_unlock(&port->serial->disc_mutex);
 }
 
 static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port)
@@ -271,51 +268,27 @@ static int metrousb_set_modem_ctrl(struct usb_serial *serial, unsigned int contr
 	return retval;
 }
 
-static void metrousb_shutdown(struct usb_serial *serial)
+static int metrousb_port_probe(struct usb_serial_port *port)
 {
-	int i = 0;
+	struct metrousb_private *metro_priv;
 
-	dev_dbg(&serial->dev->dev, "%s\n", __func__);
+	metro_priv = kzalloc(sizeof(*metro_priv), GFP_KERNEL);
+	if (!metro_priv)
+		return -ENOMEM;
 
-	/* Stop reading and writing on all ports. */
-	for (i = 0; i < serial->num_ports; ++i) {
-		/* Close any open urbs. */
-		metrousb_cleanup(serial->port[i]);
+	spin_lock_init(&metro_priv->lock);
 
-		/* Free memory. */
-		kfree(usb_get_serial_port_data(serial->port[i]));
-		usb_set_serial_port_data(serial->port[i], NULL);
+	usb_set_serial_port_data(port, metro_priv);
 
-		dev_dbg(&serial->dev->dev, "%s - freed port number=%d\n",
-			__func__, serial->port[i]->number);
-	}
+	return 0;
 }
 
-static int metrousb_startup(struct usb_serial *serial)
+static int metrousb_port_remove(struct usb_serial_port *port)
 {
 	struct metrousb_private *metro_priv;
-	struct usb_serial_port *port;
-	int i = 0;
 
-	dev_dbg(&serial->dev->dev, "%s\n", __func__);
-
-	/* Loop through the serial ports setting up the private structures.
-	 * Currently we only use one port. */
-	for (i = 0; i < serial->num_ports; ++i) {
-		port = serial->port[i];
-
-		/* Declare memory. */
-		metro_priv = kzalloc(sizeof(struct metrousb_private), GFP_KERNEL);
-		if (!metro_priv)
-			return -ENOMEM;
-
-		/* Initialize memory. */
-		spin_lock_init(&metro_priv->lock);
-		usb_set_serial_port_data(port, metro_priv);
-
-		dev_dbg(&serial->dev->dev, "%s - port number=%d\n ",
-			__func__, port->number);
-	}
+	metro_priv = usb_get_serial_port_data(port);
+	kfree(metro_priv);
 
 	return 0;
 }
@@ -414,8 +387,8 @@ static struct usb_serial_driver metrousb_device = {
 	.close			= metrousb_cleanup,
 	.read_int_callback	= metrousb_read_int_callback,
 	.write_int_callback	= metrousb_write_int_callback,
-	.attach			= metrousb_startup,
-	.release		= metrousb_shutdown,
+	.port_probe		= metrousb_port_probe,
+	.port_remove		= metrousb_port_remove,
 	.throttle		= metrousb_throttle,
 	.unthrottle		= metrousb_unthrottle,
 	.tiocmget		= metrousb_tiocmget,
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 1bf1ad06666..75267421aad 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1966,9 +1966,7 @@ static int mos7720_ioctl(struct tty_struct *tty,
 
 static int mos7720_startup(struct usb_serial *serial)
 {
-	struct moschip_port *mos7720_port;
 	struct usb_device *dev;
-	int i;
 	char data;
 	u16 product;
 	int ret_val;
@@ -1999,29 +1997,6 @@ static int mos7720_startup(struct usb_serial *serial)
 		serial->port[1]->interrupt_in_buffer = NULL;
 	}
 
-
-	/* set up serial port private structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		mos7720_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
-		if (mos7720_port == NULL) {
-			dev_err(&dev->dev, "%s - Out of memory\n", __func__);
-			return -ENOMEM;
-		}
-
-		/* Initialize all port interrupt end point to port 0 int
-		 * endpoint.  Our device has only one interrupt endpoint
-		 * common to all ports */
-		serial->port[i]->interrupt_in_endpointAddress =
-				serial->port[0]->interrupt_in_endpointAddress;
-
-		mos7720_port->port = serial->port[i];
-		usb_set_serial_port_data(serial->port[i], mos7720_port);
-
-		dev_dbg(&dev->dev, "port number is %d\n", serial->port[i]->number);
-		dev_dbg(&dev->dev, "serial number is %d\n", serial->minor);
-	}
-
-
 	/* setting configuration feature to one */
 	usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
 			(__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5*HZ);
@@ -2049,8 +2024,6 @@ static int mos7720_startup(struct usb_serial *serial)
 
 static void mos7720_release(struct usb_serial *serial)
 {
-	int i;
-
 #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT
 	/* close the parallel port */
 
@@ -2089,9 +2062,36 @@ static void mos7720_release(struct usb_serial *serial)
 		kref_put(&mos_parport->ref_count, destroy_mos_parport);
 	}
 #endif
-	/* free private structure allocated for serial port */
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+}
+
+static int mos7720_port_probe(struct usb_serial_port *port)
+{
+	struct moschip_port *mos7720_port;
+
+	mos7720_port = kzalloc(sizeof(*mos7720_port), GFP_KERNEL);
+	if (!mos7720_port)
+		return -ENOMEM;
+
+	/* Initialize all port interrupt end point to port 0 int endpoint.
+	 * Our device has only one interrupt endpoint common to all ports.
+	 */
+	port->interrupt_in_endpointAddress =
+		port->serial->port[0]->interrupt_in_endpointAddress;
+	mos7720_port->port = port;
+
+	usb_set_serial_port_data(port, mos7720_port);
+
+	return 0;
+}
+
+static int mos7720_port_remove(struct usb_serial_port *port)
+{
+	struct moschip_port *mos7720_port;
+
+	mos7720_port = usb_get_serial_port_data(port);
+	kfree(mos7720_port);
+
+	return 0;
 }
 
 static struct usb_serial_driver moschip7720_2port_driver = {
@@ -2109,6 +2109,8 @@ static struct usb_serial_driver moschip7720_2port_driver = {
 	.probe			= mos77xx_probe,
 	.attach			= mos7720_startup,
 	.release		= mos7720_release,
+	.port_probe		= mos7720_port_probe,
+	.port_remove		= mos7720_port_remove,
 	.ioctl			= mos7720_ioctl,
 	.tiocmget		= mos7720_tiocmget,
 	.tiocmset		= mos7720_tiocmset,
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index d6d4eeca8c6..1cf3375ec1a 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -218,12 +218,10 @@ struct moschip_port {
 	int port_num;		/*Actual port number in the device(1,2,etc) */
 	struct urb *write_urb;	/* write URB for this port */
 	struct urb *read_urb;	/* read URB for this port */
-	struct urb *int_urb;
 	__u8 shadowLCR;		/* last LCR value received */
 	__u8 shadowMCR;		/* last MCR value received */
 	char open;
 	char open_ports;
-	char zombie;
 	wait_queue_head_t wait_chase;	/* for handling sleeping while waiting for chase to finish */
 	wait_queue_head_t delta_msr_wait;	/* for handling sleeping while waiting for msr change to happen */
 	int delta_msr_cond;
@@ -478,7 +476,6 @@ static void mos7840_control_callback(struct urb *urb)
 	struct moschip_port *mos7840_port;
 	struct device *dev = &urb->dev->dev;
 	__u8 regval = 0x0;
-	int result = 0;
 	int status = urb->status;
 
 	mos7840_port = urb->context;
@@ -495,7 +492,7 @@ static void mos7840_control_callback(struct urb *urb)
 		return;
 	default:
 		dev_dbg(dev, "%s - nonzero urb status received: %d\n", __func__, status);
-		goto exit;
+		return;
 	}
 
 	dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length);
@@ -508,16 +505,6 @@ static void mos7840_control_callback(struct urb *urb)
 		mos7840_handle_new_msr(mos7840_port, regval);
 	else if (mos7840_port->MsrLsr == 1)
 		mos7840_handle_new_lsr(mos7840_port, regval);
-
-exit:
-	spin_lock(&mos7840_port->pool_lock);
-	if (!mos7840_port->zombie)
-		result = usb_submit_urb(mos7840_port->int_urb, GFP_ATOMIC);
-	spin_unlock(&mos7840_port->pool_lock);
-	if (result) {
-		dev_err(dev, "%s - Error %d submitting interrupt urb\n",
-			__func__, result);
-	}
 }
 
 static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg,
@@ -686,14 +673,7 @@ static void mos7840_interrupt_callback(struct urb *urb)
 					wreg = MODEM_STATUS_REGISTER;
 					break;
 				}
-				spin_lock(&mos7840_port->pool_lock);
-				if (!mos7840_port->zombie) {
-					rv = mos7840_get_reg(mos7840_port, wval, wreg, &Data);
-				} else {
-					spin_unlock(&mos7840_port->pool_lock);
-					return;
-				}
-				spin_unlock(&mos7840_port->pool_lock);
+				rv = mos7840_get_reg(mos7840_port, wval, wreg, &Data);
 			}
 		}
 	}
@@ -2347,309 +2327,249 @@ static int mos7840_calc_num_ports(struct usb_serial *serial)
 	return mos7840_num_ports;
 }
 
-/****************************************************************************
- * mos7840_startup
- ****************************************************************************/
-
-static int mos7840_startup(struct usb_serial *serial)
+static int mos7840_port_probe(struct usb_serial_port *port)
 {
+	struct usb_serial *serial = port->serial;
 	struct moschip_port *mos7840_port;
-	struct usb_device *dev;
-	int i, status;
+	int status;
+	int pnum;
 	__u16 Data;
 
-	dev = serial->dev;
-
 	/* we set up the pointers to the endpoints in the mos7840_open *
 	 * function, as the structures aren't created yet.             */
 
-	/* set up port private structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		dev_dbg(&dev->dev, "mos7840_startup: configuring port %d............\n", i);
-		mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
-		if (mos7840_port == NULL) {
-			dev_err(&dev->dev, "%s - Out of memory\n", __func__);
-			status = -ENOMEM;
-			i--; /* don't follow NULL pointer cleaning up */
-			goto error;
-		}
-
-		/* Initialize all port interrupt end point to port 0 int
-		 * endpoint. Our device has only one interrupt end point
-		 * common to all port */
-
-		mos7840_port->port = serial->port[i];
-		mos7840_set_port_private(serial->port[i], mos7840_port);
-		spin_lock_init(&mos7840_port->pool_lock);
-
-		/* minor is not initialised until later by
-		 * usb-serial.c:get_free_serial() and cannot therefore be used
-		 * to index device instances */
-		mos7840_port->port_num = i + 1;
-		dev_dbg(&dev->dev, "serial->port[i]->number = %d\n", serial->port[i]->number);
-		dev_dbg(&dev->dev, "serial->port[i]->serial->minor = %d\n", serial->port[i]->serial->minor);
-		dev_dbg(&dev->dev, "mos7840_port->port_num = %d\n", mos7840_port->port_num);
-		dev_dbg(&dev->dev, "serial->minor = %d\n", serial->minor);
-
-		if (mos7840_port->port_num == 1) {
-			mos7840_port->SpRegOffset = 0x0;
-			mos7840_port->ControlRegOffset = 0x1;
-			mos7840_port->DcrRegOffset = 0x4;
-		} else if ((mos7840_port->port_num == 2)
-			   && (serial->num_ports == 4)) {
-			mos7840_port->SpRegOffset = 0x8;
-			mos7840_port->ControlRegOffset = 0x9;
-			mos7840_port->DcrRegOffset = 0x16;
-		} else if ((mos7840_port->port_num == 2)
-			   && (serial->num_ports == 2)) {
-			mos7840_port->SpRegOffset = 0xa;
-			mos7840_port->ControlRegOffset = 0xb;
-			mos7840_port->DcrRegOffset = 0x19;
-		} else if ((mos7840_port->port_num == 3)
-			   && (serial->num_ports == 4)) {
-			mos7840_port->SpRegOffset = 0xa;
-			mos7840_port->ControlRegOffset = 0xb;
-			mos7840_port->DcrRegOffset = 0x19;
-		} else if ((mos7840_port->port_num == 4)
-			   && (serial->num_ports == 4)) {
-			mos7840_port->SpRegOffset = 0xc;
-			mos7840_port->ControlRegOffset = 0xd;
-			mos7840_port->DcrRegOffset = 0x1c;
-		}
-		mos7840_dump_serial_port(serial->port[i], mos7840_port);
-		mos7840_set_port_private(serial->port[i], mos7840_port);
+	pnum = port->number - serial->minor;
 
-		/* enable rx_disable bit in control register */
-		status = mos7840_get_reg_sync(serial->port[i],
-				 mos7840_port->ControlRegOffset, &Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Reading ControlReg failed status-0x%x\n", status);
-			break;
-		} else
-			dev_dbg(&dev->dev, "ControlReg Reading success val is %x, status%d\n", Data, status);
-		Data |= 0x08;	/* setting driver done bit */
-		Data |= 0x04;	/* sp1_bit to have cts change reflect in
-				   modem status reg */
-
-		/* Data |= 0x20; //rx_disable bit */
-		status = mos7840_set_reg_sync(serial->port[i],
-					 mos7840_port->ControlRegOffset, Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Writing ControlReg failed(rx_disable) status-0x%x\n", status);
-			break;
-		} else
-			dev_dbg(&dev->dev, "ControlReg Writing success(rx_disable) status%d\n", status);
+	dev_dbg(&port->dev, "mos7840_startup: configuring port %d\n", pnum);
+	mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
+	if (mos7840_port == NULL) {
+		dev_err(&port->dev, "%s - Out of memory\n", __func__);
+		return -ENOMEM;
+	}
 
-		/* Write default values in DCR (i.e 0x01 in DCR0, 0x05 in DCR2
-		   and 0x24 in DCR3 */
-		Data = 0x01;
-		status = mos7840_set_reg_sync(serial->port[i],
-			 (__u16) (mos7840_port->DcrRegOffset + 0), Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Writing DCR0 failed status-0x%x\n", status);
-			break;
-		} else
-			dev_dbg(&dev->dev, "DCR0 Writing success status%d\n", status);
+	/* Initialize all port interrupt end point to port 0 int
+	 * endpoint. Our device has only one interrupt end point
+	 * common to all port */
+
+	mos7840_port->port = port;
+	mos7840_set_port_private(port, mos7840_port);
+	spin_lock_init(&mos7840_port->pool_lock);
+
+	/* minor is not initialised until later by
+	 * usb-serial.c:get_free_serial() and cannot therefore be used
+	 * to index device instances */
+	mos7840_port->port_num = pnum + 1;
+	dev_dbg(&port->dev, "port->number = %d\n", port->number);
+	dev_dbg(&port->dev, "port->serial->minor = %d\n", port->serial->minor);
+	dev_dbg(&port->dev, "mos7840_port->port_num = %d\n", mos7840_port->port_num);
+	dev_dbg(&port->dev, "serial->minor = %d\n", serial->minor);
+
+	if (mos7840_port->port_num == 1) {
+		mos7840_port->SpRegOffset = 0x0;
+		mos7840_port->ControlRegOffset = 0x1;
+		mos7840_port->DcrRegOffset = 0x4;
+	} else if ((mos7840_port->port_num == 2) && (serial->num_ports == 4)) {
+		mos7840_port->SpRegOffset = 0x8;
+		mos7840_port->ControlRegOffset = 0x9;
+		mos7840_port->DcrRegOffset = 0x16;
+	} else if ((mos7840_port->port_num == 2) && (serial->num_ports == 2)) {
+		mos7840_port->SpRegOffset = 0xa;
+		mos7840_port->ControlRegOffset = 0xb;
+		mos7840_port->DcrRegOffset = 0x19;
+	} else if ((mos7840_port->port_num == 3) && (serial->num_ports == 4)) {
+		mos7840_port->SpRegOffset = 0xa;
+		mos7840_port->ControlRegOffset = 0xb;
+		mos7840_port->DcrRegOffset = 0x19;
+	} else if ((mos7840_port->port_num == 4) && (serial->num_ports == 4)) {
+		mos7840_port->SpRegOffset = 0xc;
+		mos7840_port->ControlRegOffset = 0xd;
+		mos7840_port->DcrRegOffset = 0x1c;
+	}
+	mos7840_dump_serial_port(port, mos7840_port);
+	mos7840_set_port_private(port, mos7840_port);
+
+	/* enable rx_disable bit in control register */
+	status = mos7840_get_reg_sync(port,
+			mos7840_port->ControlRegOffset, &Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Reading ControlReg failed status-0x%x\n", status);
+		goto out;
+	} else
+		dev_dbg(&port->dev, "ControlReg Reading success val is %x, status%d\n", Data, status);
+	Data |= 0x08;	/* setting driver done bit */
+	Data |= 0x04;	/* sp1_bit to have cts change reflect in
+			   modem status reg */
 
-		Data = 0x05;
-		status = mos7840_set_reg_sync(serial->port[i],
-			 (__u16) (mos7840_port->DcrRegOffset + 1), Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Writing DCR1 failed status-0x%x\n", status);
-			break;
-		} else
-			dev_dbg(&dev->dev, "DCR1 Writing success status%d\n", status);
+	/* Data |= 0x20; //rx_disable bit */
+	status = mos7840_set_reg_sync(port,
+			mos7840_port->ControlRegOffset, Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Writing ControlReg failed(rx_disable) status-0x%x\n", status);
+		goto out;
+	} else
+		dev_dbg(&port->dev, "ControlReg Writing success(rx_disable) status%d\n", status);
 
-		Data = 0x24;
-		status = mos7840_set_reg_sync(serial->port[i],
-			 (__u16) (mos7840_port->DcrRegOffset + 2), Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Writing DCR2 failed status-0x%x\n", status);
-			break;
-		} else
-			dev_dbg(&dev->dev, "DCR2 Writing success status%d\n", status);
+	/* Write default values in DCR (i.e 0x01 in DCR0, 0x05 in DCR2
+	   and 0x24 in DCR3 */
+	Data = 0x01;
+	status = mos7840_set_reg_sync(port,
+			(__u16) (mos7840_port->DcrRegOffset + 0), Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Writing DCR0 failed status-0x%x\n", status);
+		goto out;
+	} else
+		dev_dbg(&port->dev, "DCR0 Writing success status%d\n", status);
 
-		/* write values in clkstart0x0 and clkmulti 0x20 */
-		Data = 0x0;
-		status = mos7840_set_reg_sync(serial->port[i],
-					 CLK_START_VALUE_REGISTER, Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Writing CLK_START_VALUE_REGISTER failed status-0x%x\n", status);
-			break;
-		} else
-			dev_dbg(&dev->dev, "CLK_START_VALUE_REGISTER Writing success status%d\n", status);
+	Data = 0x05;
+	status = mos7840_set_reg_sync(port,
+			(__u16) (mos7840_port->DcrRegOffset + 1), Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Writing DCR1 failed status-0x%x\n", status);
+		goto out;
+	} else
+		dev_dbg(&port->dev, "DCR1 Writing success status%d\n", status);
 
-		Data = 0x20;
-		status = mos7840_set_reg_sync(serial->port[i],
-					CLK_MULTI_REGISTER, Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Writing CLK_MULTI_REGISTER failed status-0x%x\n", status);
-			goto error;
-		} else
-			dev_dbg(&dev->dev, "CLK_MULTI_REGISTER Writing success status%d\n", status);
+	Data = 0x24;
+	status = mos7840_set_reg_sync(port,
+			(__u16) (mos7840_port->DcrRegOffset + 2), Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Writing DCR2 failed status-0x%x\n", status);
+		goto out;
+	} else
+		dev_dbg(&port->dev, "DCR2 Writing success status%d\n", status);
 
-		/* write value 0x0 to scratchpad register */
-		Data = 0x00;
-		status = mos7840_set_uart_reg(serial->port[i],
-						SCRATCH_PAD_REGISTER, Data);
-		if (status < 0) {
-			dev_dbg(&dev->dev, "Writing SCRATCH_PAD_REGISTER failed status-0x%x\n", status);
-			break;
-		} else
-			dev_dbg(&dev->dev, "SCRATCH_PAD_REGISTER Writing success status%d\n", status);
+	/* write values in clkstart0x0 and clkmulti 0x20 */
+	Data = 0x0;
+	status = mos7840_set_reg_sync(port, CLK_START_VALUE_REGISTER, Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Writing CLK_START_VALUE_REGISTER failed status-0x%x\n", status);
+		goto out;
+	} else
+		dev_dbg(&port->dev, "CLK_START_VALUE_REGISTER Writing success status%d\n", status);
 
-		/* Zero Length flag register */
-		if ((mos7840_port->port_num != 1)
-		    && (serial->num_ports == 2)) {
+	Data = 0x20;
+	status = mos7840_set_reg_sync(port, CLK_MULTI_REGISTER, Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Writing CLK_MULTI_REGISTER failed status-0x%x\n", status);
+		goto error;
+	} else
+		dev_dbg(&port->dev, "CLK_MULTI_REGISTER Writing success status%d\n", status);
 
-			Data = 0xff;
-			status = mos7840_set_reg_sync(serial->port[i],
-				      (__u16) (ZLP_REG1 +
-				      ((__u16)mos7840_port->port_num)), Data);
-			dev_dbg(&dev->dev, "ZLIP offset %x\n",
+	/* write value 0x0 to scratchpad register */
+	Data = 0x00;
+	status = mos7840_set_uart_reg(port, SCRATCH_PAD_REGISTER, Data);
+	if (status < 0) {
+		dev_dbg(&port->dev, "Writing SCRATCH_PAD_REGISTER failed status-0x%x\n", status);
+		goto out;
+	} else
+		dev_dbg(&port->dev, "SCRATCH_PAD_REGISTER Writing success status%d\n", status);
+
+	/* Zero Length flag register */
+	if ((mos7840_port->port_num != 1) && (serial->num_ports == 2)) {
+		Data = 0xff;
+		status = mos7840_set_reg_sync(port,
+				(__u16) (ZLP_REG1 +
+					((__u16)mos7840_port->port_num)), Data);
+		dev_dbg(&port->dev, "ZLIP offset %x\n",
 				(__u16)(ZLP_REG1 + ((__u16) mos7840_port->port_num)));
-			if (status < 0) {
-				dev_dbg(&dev->dev, "Writing ZLP_REG%d failed status-0x%x\n", i + 2, status);
-				break;
-			} else
-				dev_dbg(&dev->dev, "ZLP_REG%d Writing success status%d\n", i + 2, status);
-		} else {
-			Data = 0xff;
-			status = mos7840_set_reg_sync(serial->port[i],
-			      (__u16) (ZLP_REG1 +
-			      ((__u16)mos7840_port->port_num) - 0x1), Data);
-			dev_dbg(&dev->dev, "ZLIP offset %x\n",
+		if (status < 0) {
+			dev_dbg(&port->dev, "Writing ZLP_REG%d failed status-0x%x\n", pnum + 2, status);
+			goto out;
+		} else
+			dev_dbg(&port->dev, "ZLP_REG%d Writing success status%d\n", pnum + 2, status);
+	} else {
+		Data = 0xff;
+		status = mos7840_set_reg_sync(port,
+				(__u16) (ZLP_REG1 +
+					((__u16)mos7840_port->port_num) - 0x1), Data);
+		dev_dbg(&port->dev, "ZLIP offset %x\n",
 				(__u16)(ZLP_REG1 + ((__u16) mos7840_port->port_num) - 0x1));
-			if (status < 0) {
-				dev_dbg(&dev->dev, "Writing ZLP_REG%d failed status-0x%x\n", i + 1, status);
-				break;
-			} else
-				dev_dbg(&dev->dev, "ZLP_REG%d Writing success status%d\n", i + 1, status);
+		if (status < 0) {
+			dev_dbg(&port->dev, "Writing ZLP_REG%d failed status-0x%x\n", pnum + 1, status);
+			goto out;
+		} else
+			dev_dbg(&port->dev, "ZLP_REG%d Writing success status%d\n", pnum + 1, status);
 
-		}
-		mos7840_port->control_urb = usb_alloc_urb(0, GFP_KERNEL);
-		mos7840_port->ctrl_buf = kmalloc(16, GFP_KERNEL);
-		mos7840_port->dr = kmalloc(sizeof(struct usb_ctrlrequest),
-								GFP_KERNEL);
-		if (!mos7840_port->control_urb || !mos7840_port->ctrl_buf ||
-							!mos7840_port->dr) {
-			status = -ENOMEM;
-			goto error;
-		}
+	}
+	mos7840_port->control_urb = usb_alloc_urb(0, GFP_KERNEL);
+	mos7840_port->ctrl_buf = kmalloc(16, GFP_KERNEL);
+	mos7840_port->dr = kmalloc(sizeof(struct usb_ctrlrequest),
+			GFP_KERNEL);
+	if (!mos7840_port->control_urb || !mos7840_port->ctrl_buf ||
+			!mos7840_port->dr) {
+		status = -ENOMEM;
+		goto error;
+	}
 
-		mos7840_port->has_led = false;
+	mos7840_port->has_led = false;
 
-		/* Initialize LED timers */
-		if (device_type == MOSCHIP_DEVICE_ID_7810) {
-			mos7840_port->has_led = true;
+	/* Initialize LED timers */
+	if (device_type == MOSCHIP_DEVICE_ID_7810) {
+		mos7840_port->has_led = true;
 
-			init_timer(&mos7840_port->led_timer1);
-			mos7840_port->led_timer1.function = mos7840_led_off;
-			mos7840_port->led_timer1.expires =
-					jiffies + msecs_to_jiffies(LED_ON_MS);
-			mos7840_port->led_timer1.data =
-						(unsigned long)mos7840_port;
+		init_timer(&mos7840_port->led_timer1);
+		mos7840_port->led_timer1.function = mos7840_led_off;
+		mos7840_port->led_timer1.expires =
+			jiffies + msecs_to_jiffies(LED_ON_MS);
+		mos7840_port->led_timer1.data = (unsigned long)mos7840_port;
 
-			init_timer(&mos7840_port->led_timer2);
-			mos7840_port->led_timer2.function =
-						mos7840_led_flag_off;
-			mos7840_port->led_timer2.expires =
-					jiffies + msecs_to_jiffies(LED_OFF_MS);
-			mos7840_port->led_timer2.data =
-						(unsigned long)mos7840_port;
+		init_timer(&mos7840_port->led_timer2);
+		mos7840_port->led_timer2.function = mos7840_led_flag_off;
+		mos7840_port->led_timer2.expires =
+			jiffies + msecs_to_jiffies(LED_OFF_MS);
+		mos7840_port->led_timer2.data = (unsigned long)mos7840_port;
 
-			mos7840_port->led_flag = false;
+		mos7840_port->led_flag = false;
 
-			/* Turn off LED */
-			mos7840_set_led_sync(serial->port[i],
-						MODEM_CONTROL_REGISTER, 0x0300);
-		}
+		/* Turn off LED */
+		mos7840_set_led_sync(port, MODEM_CONTROL_REGISTER, 0x0300);
 	}
+out:
+	if (pnum == serial->num_ports - 1) {
+		/* Zero Length flag enable */
+		Data = 0x0f;
+		status = mos7840_set_reg_sync(serial->port[0], ZLP_REG5, Data);
+		if (status < 0) {
+			dev_dbg(&port->dev, "Writing ZLP_REG5 failed status-0x%x\n", status);
+			goto error;
+		} else
+			dev_dbg(&port->dev, "ZLP_REG5 Writing success status%d\n", status);
 
-	/* Zero Length flag enable */
-	Data = 0x0f;
-	status = mos7840_set_reg_sync(serial->port[0], ZLP_REG5, Data);
-	if (status < 0) {
-		dev_dbg(&dev->dev, "Writing ZLP_REG5 failed status-0x%x\n", status);
-		goto error;
-	} else
-		dev_dbg(&dev->dev, "ZLP_REG5 Writing success status%d\n", status);
-
-	/* setting configuration feature to one */
-	usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
-			(__u8) 0x03, 0x00, 0x01, 0x00, NULL, 0x00, MOS_WDR_TIMEOUT);
+		/* setting configuration feature to one */
+		usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+				0x03, 0x00, 0x01, 0x00, NULL, 0x00,
+				MOS_WDR_TIMEOUT);
+	}
 	return 0;
 error:
-	for (/* nothing */; i >= 0; i--) {
-		mos7840_port = mos7840_get_port_private(serial->port[i]);
+	kfree(mos7840_port->dr);
+	kfree(mos7840_port->ctrl_buf);
+	usb_free_urb(mos7840_port->control_urb);
+	kfree(mos7840_port);
 
-		kfree(mos7840_port->dr);
-		kfree(mos7840_port->ctrl_buf);
-		usb_free_urb(mos7840_port->control_urb);
-		kfree(mos7840_port);
-		serial->port[i] = NULL;
-	}
 	return status;
 }
 
-/****************************************************************************
- * mos7840_disconnect
- *	This function is called whenever the device is removed from the usb bus.
- ****************************************************************************/
-
-static void mos7840_disconnect(struct usb_serial *serial)
+static int mos7840_port_remove(struct usb_serial_port *port)
 {
-	int i;
-	unsigned long flags;
 	struct moschip_port *mos7840_port;
 
-	/* check for the ports to be closed,close the ports and disconnect */
+	mos7840_port = mos7840_get_port_private(port);
 
-	/* free private structure allocated for serial port  *
-	 * stop reads and writes on all ports                */
+	if (mos7840_port->has_led) {
+		/* Turn off LED */
+		mos7840_set_led_sync(port, MODEM_CONTROL_REGISTER, 0x0300);
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		mos7840_port = mos7840_get_port_private(serial->port[i]);
-		if (mos7840_port) {
-			spin_lock_irqsave(&mos7840_port->pool_lock, flags);
-			mos7840_port->zombie = 1;
-			spin_unlock_irqrestore(&mos7840_port->pool_lock, flags);
-			usb_kill_urb(mos7840_port->control_urb);
-		}
+		del_timer_sync(&mos7840_port->led_timer1);
+		del_timer_sync(&mos7840_port->led_timer2);
 	}
-}
-
-/****************************************************************************
- * mos7840_release
- *	This function is called when the usb_serial structure is freed.
- ****************************************************************************/
-
-static void mos7840_release(struct usb_serial *serial)
-{
-	int i;
-	struct moschip_port *mos7840_port;
-
-	/* check for the ports to be closed,close the ports and disconnect */
+	usb_kill_urb(mos7840_port->control_urb);
+	usb_free_urb(mos7840_port->control_urb);
+	kfree(mos7840_port->ctrl_buf);
+	kfree(mos7840_port->dr);
+	kfree(mos7840_port);
 
-	/* free private structure allocated for serial port  *
-	 * stop reads and writes on all ports                */
-
-	for (i = 0; i < serial->num_ports; ++i) {
-		mos7840_port = mos7840_get_port_private(serial->port[i]);
-		if (mos7840_port) {
-			if (mos7840_port->has_led) {
-				/* Turn off LED */
-				mos7840_set_led_sync(mos7840_port->port,
-						MODEM_CONTROL_REGISTER, 0x0300);
-
-				del_timer_sync(&mos7840_port->led_timer1);
-				del_timer_sync(&mos7840_port->led_timer2);
-			}
-			kfree(mos7840_port->ctrl_buf);
-			kfree(mos7840_port->dr);
-			kfree(mos7840_port);
-		}
-	}
+	return 0;
 }
 
 static struct usb_serial_driver moschip7840_4port_device = {
@@ -2677,9 +2597,8 @@ static struct usb_serial_driver moschip7840_4port_device = {
 	.tiocmget = mos7840_tiocmget,
 	.tiocmset = mos7840_tiocmset,
 	.get_icount = mos7840_get_icount,
-	.attach = mos7840_startup,
-	.disconnect = mos7840_disconnect,
-	.release = mos7840_release,
+	.port_probe = mos7840_port_probe,
+	.port_remove = mos7840_port_remove,
 	.read_bulk_callback = mos7840_bulk_in_callback,
 	.read_int_callback = mos7840_interrupt_callback,
 };
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 6def58b7938..9ab73d29577 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -44,8 +44,8 @@ static int  omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
 				const unsigned char *buf, int count);
 static int  omninet_write_room(struct tty_struct *tty);
 static void omninet_disconnect(struct usb_serial *serial);
-static void omninet_release(struct usb_serial *serial);
-static int omninet_attach(struct usb_serial *serial);
+static int omninet_port_probe(struct usb_serial_port *port);
+static int omninet_port_remove(struct usb_serial_port *port);
 
 static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(ZYXEL_VENDOR_ID, ZYXEL_OMNINET_ID) },
@@ -62,7 +62,8 @@ static struct usb_serial_driver zyxel_omninet_device = {
 	.description =		"ZyXEL - omni.net lcd plus usb",
 	.id_table =		id_table,
 	.num_ports =		1,
-	.attach =		omninet_attach,
+	.port_probe =		omninet_port_probe,
+	.port_remove =		omninet_port_remove,
 	.open =			omninet_open,
 	.close =		omninet_close,
 	.write =		omninet_write,
@@ -70,7 +71,6 @@ static struct usb_serial_driver zyxel_omninet_device = {
 	.read_bulk_callback =	omninet_read_bulk_callback,
 	.write_bulk_callback =	omninet_write_bulk_callback,
 	.disconnect =		omninet_disconnect,
-	.release =		omninet_release,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
@@ -112,18 +112,26 @@ struct omninet_data {
 	__u8	od_outseq;	/* Sequence number for bulk_out URBs */
 };
 
-static int omninet_attach(struct usb_serial *serial)
+static int omninet_port_probe(struct usb_serial_port *port)
 {
 	struct omninet_data *od;
-	struct usb_serial_port *port = serial->port[0];
 
 	od = kmalloc(sizeof(struct omninet_data), GFP_KERNEL);
-	if (!od) {
-		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n",
-			__func__, sizeof(struct omninet_data));
+	if (!od)
 		return -ENOMEM;
-	}
+
 	usb_set_serial_port_data(port, od);
+
+	return 0;
+}
+
+static int omninet_port_remove(struct usb_serial_port *port)
+{
+	struct omninet_data *od;
+
+	od = usb_get_serial_port_data(port);
+	kfree(od);
+
 	return 0;
 }
 
@@ -279,14 +287,6 @@ static void omninet_disconnect(struct usb_serial *serial)
 	usb_kill_urb(wport->write_urb);
 }
 
-
-static void omninet_release(struct usb_serial *serial)
-{
-	struct usb_serial_port *port = serial->port[0];
-
-	kfree(usb_get_serial_port_data(port));
-}
-
 module_usb_serial_driver(serial_drivers, id_table);
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 41b1647306e..6aba731d486 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -155,7 +155,11 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype,
 {
 	struct usb_serial *serial = port->serial;
 	int retval;
-	u8 buffer[2];
+	u8 *buffer;
+
+	buffer = kzalloc(1, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
 
 	buffer[0] = val;
 	/* Send the message to the vendor control endpoint
@@ -164,6 +168,7 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype,
 				requesttype,
 				USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
 				0, 0, buffer, 1, 0);
+	kfree(buffer);
 
 	return retval;
 }
@@ -281,7 +286,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
 	if (!dr) {
 		dev_err(&port->dev, "out of memory\n");
 		count = -ENOMEM;
-		goto error;
+		goto error_no_dr;
 	}
 
 	dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT;
@@ -311,6 +316,8 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	return count;
 error:
+	kfree(dr);
+error_no_dr:
 	usb_free_urb(urb);
 error_no_urb:
 	kfree(buffer);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 30cff03e9f0..5dee7d61241 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -47,6 +47,7 @@
 /* Function prototypes */
 static int  option_probe(struct usb_serial *serial,
 			const struct usb_device_id *id);
+static int option_attach(struct usb_serial *serial);
 static void option_release(struct usb_serial *serial);
 static int option_send_setup(struct usb_serial_port *port);
 static void option_instat_callback(struct urb *urb);
@@ -503,11 +504,19 @@ static const struct option_blacklist_info net_intf5_blacklist = {
 	.reserved = BIT(5),
 };
 
+static const struct option_blacklist_info net_intf6_blacklist = {
+	.reserved = BIT(6),
+};
+
 static const struct option_blacklist_info zte_mf626_blacklist = {
 	.sendsetup = BIT(0) | BIT(1),
 	.reserved = BIT(4),
 };
 
+static const struct option_blacklist_info zte_1255_blacklist = {
+	.reserved = BIT(3) | BIT(4),
+};
+
 static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -853,13 +862,19 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0113, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0117, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0118, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0121, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0118, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0121, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0122, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0123, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0124, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0125, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0126, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0123, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0124, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0125, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0126, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0128, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0142, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0143, 0xff, 0xff, 0xff) },
@@ -872,7 +887,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0159, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0162, 0xff, 0xff, 0xff) },
@@ -880,13 +896,22 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0167, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0191, 0xff, 0xff, 0xff), /* ZTE EuFi890 */
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0199, 0xff, 0xff, 0xff), /* ZTE MF820S */
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */
+	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0326, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1021, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1057, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1058, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1059, 0xff, 0xff, 0xff) },
@@ -1002,18 +1027,24 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1169, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1170, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1244, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1245, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1245, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1246, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1247, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1247, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1248, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1249, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1250, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1251, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1252, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1252, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1253, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1254, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1255, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1256, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1254, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1255, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&zte_1255_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1256, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1257, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1258, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1259, 0xff, 0xff, 0xff) },
@@ -1058,8 +1089,16 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1298, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1299, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1300, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1401, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1402, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1424, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1425, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff),  /* ZTE MF91 */
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff,
 	  0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_k3765_z_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
@@ -1071,15 +1110,21 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0141, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0141, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0147, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0152, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0168, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0168, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0170, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0176, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0176, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
 
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
@@ -1244,8 +1289,9 @@ static struct usb_serial_driver option_1port_device = {
 	.tiocmget          = usb_wwan_tiocmget,
 	.tiocmset          = usb_wwan_tiocmset,
 	.ioctl             = usb_wwan_ioctl,
-	.attach            = usb_wwan_startup,
+	.attach            = option_attach,
 	.release           = option_release,
+	.port_probe        = usb_wwan_port_probe,
 	.port_remove	   = usb_wwan_port_remove,
 	.read_int_callback = option_instat_callback,
 #ifdef CONFIG_PM
@@ -1291,8 +1337,6 @@ static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason,
 static int option_probe(struct usb_serial *serial,
 			const struct usb_device_id *id)
 {
-	struct usb_wwan_intf_private *data;
-	struct option_private *priv;
 	struct usb_interface_descriptor *iface_desc =
 				&serial->interface->cur_altsetting->desc;
 	struct usb_device_descriptor *dev_desc = &serial->dev->descriptor;
@@ -1330,6 +1374,19 @@ static int option_probe(struct usb_serial *serial,
 		iface_desc->bInterfaceClass != USB_CLASS_CDC_DATA)
 		return -ENODEV;
 
+	/* Store device id so we can use it during attach. */
+	usb_set_serial_data(serial, (void *)id);
+
+	return 0;
+}
+
+static int option_attach(struct usb_serial *serial)
+{
+	struct usb_interface_descriptor *iface_desc;
+	const struct usb_device_id *id;
+	struct usb_wwan_intf_private *data;
+	struct option_private *priv;
+
 	data = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
@@ -1340,6 +1397,10 @@ static int option_probe(struct usb_serial *serial,
 		return -ENOMEM;
 	}
 
+	/* Retrieve device id stored at probe. */
+	id = usb_get_serial_data(serial);
+	iface_desc = &serial->interface->cur_altsetting->desc;
+
 	priv->bInterfaceNumber = iface_desc->bInterfaceNumber;
 	data->private = priv;
 
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 933241f03fd..cee9a52ca89 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -137,8 +137,8 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty);
 static int oti6858_tiocmget(struct tty_struct *tty);
 static int oti6858_tiocmset(struct tty_struct *tty,
 				unsigned int set, unsigned int clear);
-static int oti6858_startup(struct usb_serial *serial);
-static void oti6858_release(struct usb_serial *serial);
+static int oti6858_port_probe(struct usb_serial_port *port);
+static int oti6858_port_remove(struct usb_serial_port *port);
 
 /* device info */
 static struct usb_serial_driver oti6858_device = {
@@ -161,8 +161,8 @@ static struct usb_serial_driver oti6858_device = {
 	.write_bulk_callback =	oti6858_write_bulk_callback,
 	.write_room =		oti6858_write_room,
 	.chars_in_buffer =	oti6858_chars_in_buffer,
-	.attach =		oti6858_startup,
-	.release =		oti6858_release,
+	.port_probe =		oti6858_port_probe,
+	.port_remove =		oti6858_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
@@ -331,36 +331,33 @@ static void send_data(struct work_struct *work)
 	usb_serial_port_softint(port);
 }
 
-static int oti6858_startup(struct usb_serial *serial)
+static int oti6858_port_probe(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct oti6858_private *priv;
-	int i;
-
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct oti6858_private), GFP_KERNEL);
-		if (!priv)
-			break;
-
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->intr_wait);
-/*		INIT_WORK(&priv->setup_work, setup_line, serial->port[i]); */
-/*		INIT_WORK(&priv->write_work, send_data, serial->port[i]); */
-		priv->port = port;
-		INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
-		INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
-
-		usb_set_serial_port_data(serial->port[i], priv);
-	}
-	if (i == serial->num_ports)
-		return 0;
 
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->intr_wait);
+	priv->port = port;
+	INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
+	INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
+
+	usb_set_serial_port_data(port, priv);
+
+	return 0;
+}
+
+static int oti6858_port_remove(struct usb_serial_port *port)
+{
+	struct oti6858_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -709,15 +706,6 @@ static int oti6858_ioctl(struct tty_struct *tty,
 	return -ENOIOCTLCMD;
 }
 
-
-static void oti6858_release(struct usb_serial *serial)
-{
-	int i;
-
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
-}
-
 static void oti6858_read_int_callback(struct urb *urb)
 {
 	struct usb_serial_port *port =  urb->context;
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 892ebdc7a36..60024190136 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -133,12 +133,15 @@ enum pl2303_type {
 	HX,		/* HX version of the pl2303 chip */
 };
 
+struct pl2303_serial_private {
+	enum pl2303_type type;
+};
+
 struct pl2303_private {
 	spinlock_t lock;
 	wait_queue_head_t delta_msr_wait;
 	u8 line_control;
 	u8 line_status;
-	enum pl2303_type type;
 };
 
 static int pl2303_vendor_read(__u16 value, __u16 index,
@@ -167,14 +170,19 @@ static int pl2303_vendor_write(__u16 value, __u16 index,
 
 static int pl2303_startup(struct usb_serial *serial)
 {
-	struct pl2303_private *priv;
+	struct pl2303_serial_private *spriv;
 	enum pl2303_type type = type_0;
 	unsigned char *buf;
-	int i;
+
+	spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
+	if (!spriv)
+		return -ENOMEM;
 
 	buf = kmalloc(10, GFP_KERNEL);
-	if (buf == NULL)
+	if (!buf) {
+		kfree(spriv);
 		return -ENOMEM;
+	}
 
 	if (serial->dev->descriptor.bDeviceClass == 0x02)
 		type = type_0;
@@ -186,15 +194,8 @@ static int pl2303_startup(struct usb_serial *serial)
 		type = type_1;
 	dev_dbg(&serial->interface->dev, "device type: %d\n", type);
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct pl2303_private), GFP_KERNEL);
-		if (!priv)
-			goto cleanup;
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
-		priv->type = type;
-		usb_set_serial_port_data(serial->port[i], priv);
-	}
+	spriv->type = type;
+	usb_set_serial_data(serial, spriv);
 
 	pl2303_vendor_read(0x8484, 0, serial, buf);
 	pl2303_vendor_write(0x0404, 0, serial);
@@ -213,15 +214,40 @@ static int pl2303_startup(struct usb_serial *serial)
 
 	kfree(buf);
 	return 0;
+}
 
-cleanup:
-	kfree(buf);
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
-	return -ENOMEM;
+static void pl2303_release(struct usb_serial *serial)
+{
+	struct pl2303_serial_private *spriv;
+
+	spriv = usb_get_serial_data(serial);
+	kfree(spriv);
+}
+
+static int pl2303_port_probe(struct usb_serial_port *port)
+{
+	struct pl2303_private *priv;
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->delta_msr_wait);
+
+	usb_set_serial_port_data(port, priv);
+
+	return 0;
+}
+
+static int pl2303_port_remove(struct usb_serial_port *port)
+{
+	struct pl2303_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int set_control_lines(struct usb_device *dev, u8 value)
@@ -240,6 +266,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
 		struct usb_serial_port *port, struct ktermios *old_termios)
 {
 	struct usb_serial *serial = port->serial;
+	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
 	struct pl2303_private *priv = usb_get_serial_port_data(port);
 	unsigned long flags;
 	unsigned int cflag;
@@ -323,7 +350,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
 		}
 		if (baud > 1228800) {
 			/* type_0, type_1 only support up to 1228800 baud */
-			if (priv->type != HX)
+			if (spriv->type != HX)
 				baud = 1228800;
 			else if (baud > 6000000)
 				baud = 6000000;
@@ -426,7 +453,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
 	     buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
 
 	if (cflag & CRTSCTS) {
-		if (priv->type == HX)
+		if (spriv->type == HX)
 			pl2303_vendor_write(0x0, 0x61, serial);
 		else
 			pl2303_vendor_write(0x0, 0x41, serial);
@@ -468,10 +495,10 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
 	struct ktermios tmp_termios;
 	struct usb_serial *serial = port->serial;
-	struct pl2303_private *priv = usb_get_serial_port_data(port);
+	struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
 	int result;
 
-	if (priv->type != HX) {
+	if (spriv->type != HX) {
 		usb_clear_halt(serial->dev, port->write_urb->pipe);
 		usb_clear_halt(serial->dev, port->read_urb->pipe);
 	} else {
@@ -655,17 +682,6 @@ static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
 		dev_err(&port->dev, "error sending break = %d\n", result);
 }
 
-static void pl2303_release(struct usb_serial *serial)
-{
-	int i;
-	struct pl2303_private *priv;
-
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-	}
-}
-
 static void pl2303_update_line_status(struct usb_serial_port *port,
 				      unsigned char *data,
 				      unsigned int actual_length)
@@ -827,6 +843,8 @@ static struct usb_serial_driver pl2303_device = {
 	.read_int_callback =	pl2303_read_int_callback,
 	.attach =		pl2303_startup,
 	.release =		pl2303_release,
+	.port_probe =		pl2303_port_probe,
+	.port_remove =		pl2303_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index c3ddb65c05f..aa148c21ea4 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -138,7 +138,6 @@ MODULE_DEVICE_TABLE(usb, id_table);
 
 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 {
-	struct usb_wwan_intf_private *data;
 	struct usb_host_interface *intf = serial->interface->cur_altsetting;
 	struct device *dev = &serial->dev->dev;
 	int retval = -ENODEV;
@@ -154,13 +153,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 	ifnum = intf->desc.bInterfaceNumber;
 	dev_dbg(dev, "This Interface = %d\n", ifnum);
 
-	data = kzalloc(sizeof(struct usb_wwan_intf_private),
-					 GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	spin_lock_init(&data->susp_lock);
-
 	if (nintf == 1) {
 		/* QDL mode */
 		/* Gobi 2000 has a single altsetting, older ones have two */
@@ -253,20 +245,28 @@ done:
 		}
 	}
 
-	/* Set serial->private if not returning error */
-	if (retval == 0)
-		usb_set_serial_data(serial, data);
-	else
-		kfree(data);
-
 	return retval;
 }
 
+static int qc_attach(struct usb_serial *serial)
+{
+	struct usb_wwan_intf_private *data;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	spin_lock_init(&data->susp_lock);
+
+	usb_set_serial_data(serial, data);
+
+	return 0;
+}
+
 static void qc_release(struct usb_serial *serial)
 {
 	struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
 
-	/* Free the private data allocated in qcprobe */
 	usb_set_serial_data(serial, NULL);
 	kfree(priv);
 }
@@ -285,8 +285,9 @@ static struct usb_serial_driver qcdevice = {
 	.write		     = usb_wwan_write,
 	.write_room	     = usb_wwan_write_room,
 	.chars_in_buffer     = usb_wwan_chars_in_buffer,
-	.attach		     = usb_wwan_startup,
+	.attach              = qc_attach,
 	.release	     = qc_release,
+	.port_probe          = usb_wwan_port_probe,
 	.port_remove	     = usb_wwan_port_remove,
 #ifdef CONFIG_PM
 	.suspend	     = usb_wwan_suspend,
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 2cdfdcc90b3..ffcfc962ab1 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -143,12 +143,12 @@ static void qt2_read_bulk_callback(struct urb *urb);
 
 static void qt2_release(struct usb_serial *serial)
 {
-	int i;
+	struct qt2_serial_private *serial_priv;
 
-	kfree(usb_get_serial_data(serial));
+	serial_priv = usb_get_serial_data(serial);
 
-	for (i = 0; i < serial->num_ports; i++)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	usb_free_urb(serial_priv->read_urb);
+	kfree(serial_priv);
 }
 
 static inline int calc_baud_divisor(int baudrate)
@@ -423,11 +423,16 @@ static void qt2_close(struct usb_serial_port *port)
 	port_priv->is_open = false;
 
 	spin_lock_irqsave(&port_priv->urb_lock, flags);
-	if (port_priv->write_urb->status == -EINPROGRESS)
-		usb_kill_urb(port_priv->write_urb);
+	usb_kill_urb(port_priv->write_urb);
 	port_priv->urb_in_use = false;
 	spin_unlock_irqrestore(&port_priv->urb_lock, flags);
 
+	mutex_lock(&port->serial->disc_mutex);
+	if (port->serial->disconnected) {
+		mutex_unlock(&port->serial->disc_mutex);
+		return;
+	}
+
 	/* flush the port transmit buffer */
 	i = usb_control_msg(serial->dev,
 			    usb_rcvctrlpipe(serial->dev, 0),
@@ -459,26 +464,14 @@ static void qt2_close(struct usb_serial_port *port)
 		dev_err(&port->dev, "%s - close port failed %i\n",
 			__func__, i);
 
+	mutex_unlock(&port->serial->disc_mutex);
 }
 
 static void qt2_disconnect(struct usb_serial *serial)
 {
 	struct qt2_serial_private *serial_priv = usb_get_serial_data(serial);
-	struct qt2_port_private *port_priv;
-	int i;
-
-	if (serial_priv->read_urb->status == -EINPROGRESS)
-		usb_kill_urb(serial_priv->read_urb);
-
-	usb_free_urb(serial_priv->read_urb);
 
-	for (i = 0; i < serial->num_ports; i++) {
-		port_priv = usb_get_serial_port_data(serial->port[i]);
-
-		if (port_priv->write_urb->status == -EINPROGRESS)
-			usb_kill_urb(port_priv->write_urb);
-		usb_free_urb(port_priv->write_urb);
-	}
+	usb_kill_urb(serial_priv->read_urb);
 }
 
 static int get_serial_info(struct usb_serial_port *port,
@@ -773,11 +766,9 @@ static void qt2_read_bulk_callback(struct urb *urb)
 
 static int qt2_setup_urbs(struct usb_serial *serial)
 {
-	struct usb_serial_port *port;
 	struct usb_serial_port *port0;
 	struct qt2_serial_private *serial_priv;
-	struct qt2_port_private *port_priv;
-	int pcount, status;
+	int status;
 
 	port0 = serial->port[0];
 
@@ -795,46 +786,21 @@ static int qt2_setup_urbs(struct usb_serial *serial)
 			  sizeof(serial_priv->read_buffer),
 			  qt2_read_bulk_callback, serial);
 
-	/* setup write_urb for each port */
-	for (pcount = 0; pcount < serial->num_ports; pcount++) {
-
-		port = serial->port[pcount];
-		port_priv = usb_get_serial_port_data(port);
-
-		port_priv->write_urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!port_priv->write_urb) {
-			dev_err(&serial->dev->dev,
-				"failed to alloc write_urb for port %i\n",
-				pcount);
-			return -ENOMEM;
-		}
-
-		usb_fill_bulk_urb(port_priv->write_urb,
-				  serial->dev,
-				  usb_sndbulkpipe(serial->dev,
-						  port0->
-						  bulk_out_endpointAddress),
-				  port_priv->write_buffer,
-				  sizeof(port_priv->write_buffer),
-				  qt2_write_bulk_callback, port);
-	}
-
 	status = usb_submit_urb(serial_priv->read_urb, GFP_KERNEL);
 	if (status != 0) {
 		dev_err(&serial->dev->dev,
 			"%s - submit read urb failed %i\n", __func__, status);
+		usb_free_urb(serial_priv->read_urb);
 		return status;
 	}
 
 	return 0;
-
 }
 
 static int qt2_attach(struct usb_serial *serial)
 {
 	struct qt2_serial_private *serial_priv;
-	struct qt2_port_private *port_priv;
-	int status, pcount;
+	int status;
 
 	/* power on unit */
 	status = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
@@ -854,26 +820,6 @@ static int qt2_attach(struct usb_serial *serial)
 
 	usb_set_serial_data(serial, serial_priv);
 
-	for (pcount = 0; pcount < serial->num_ports; pcount++) {
-		port_priv = kzalloc(sizeof(*port_priv), GFP_KERNEL);
-		if (!port_priv) {
-			dev_err(&serial->dev->dev,
-				"%s- kmalloc(%Zd) failed.\n", __func__,
-				sizeof(*port_priv));
-			pcount--;
-			status = -ENOMEM;
-			goto attach_failed;
-		}
-
-		spin_lock_init(&port_priv->lock);
-		spin_lock_init(&port_priv->urb_lock);
-		init_waitqueue_head(&port_priv->delta_msr_wait);
-
-		port_priv->port = serial->port[pcount];
-
-		usb_set_serial_port_data(serial->port[pcount], port_priv);
-	}
-
 	status = qt2_setup_urbs(serial);
 	if (status != 0)
 		goto attach_failed;
@@ -881,14 +827,53 @@ static int qt2_attach(struct usb_serial *serial)
 	return 0;
 
 attach_failed:
-	for (/* empty */; pcount >= 0; pcount--) {
-		port_priv = usb_get_serial_port_data(serial->port[pcount]);
-		kfree(port_priv);
-	}
 	kfree(serial_priv);
 	return status;
 }
 
+static int qt2_port_probe(struct usb_serial_port *port)
+{
+	struct usb_serial *serial = port->serial;
+	struct qt2_port_private *port_priv;
+	u8 bEndpointAddress;
+
+	port_priv = kzalloc(sizeof(*port_priv), GFP_KERNEL);
+	if (!port_priv)
+		return -ENOMEM;
+
+	spin_lock_init(&port_priv->lock);
+	spin_lock_init(&port_priv->urb_lock);
+	init_waitqueue_head(&port_priv->delta_msr_wait);
+	port_priv->port = port;
+
+	port_priv->write_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!port_priv->write_urb) {
+		kfree(port_priv);
+		return -ENOMEM;
+	}
+	bEndpointAddress = serial->port[0]->bulk_out_endpointAddress;
+	usb_fill_bulk_urb(port_priv->write_urb, serial->dev,
+				usb_sndbulkpipe(serial->dev, bEndpointAddress),
+				port_priv->write_buffer,
+				sizeof(port_priv->write_buffer),
+				qt2_write_bulk_callback, port);
+
+	usb_set_serial_port_data(port, port_priv);
+
+	return 0;
+}
+
+static int qt2_port_remove(struct usb_serial_port *port)
+{
+	struct qt2_port_private *port_priv;
+
+	port_priv = usb_get_serial_port_data(port);
+	usb_free_urb(port_priv->write_urb);
+	kfree(port_priv);
+
+	return 0;
+}
+
 static int qt2_tiocmget(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
@@ -1127,6 +1112,8 @@ static struct usb_serial_driver qt2_device = {
 	.attach              = qt2_attach,
 	.release             = qt2_release,
 	.disconnect          = qt2_disconnect,
+	.port_probe          = qt2_port_probe,
+	.port_remove         = qt2_port_remove,
 	.dtr_rts             = qt2_dtr_rts,
 	.break_ctl           = qt2_break_ctl,
 	.tiocmget            = qt2_tiocmget,
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 01d882cf377..270860f6bb2 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -161,7 +161,6 @@ static int sierra_probe(struct usb_serial *serial,
 {
 	int result = 0;
 	struct usb_device *udev;
-	struct sierra_intf_private *data;
 	u8 ifnum;
 
 	udev = serial->dev;
@@ -188,11 +187,6 @@ static int sierra_probe(struct usb_serial *serial,
 		return -ENODEV;
 	}
 
-	data = serial->private = kzalloc(sizeof(struct sierra_intf_private), GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-	spin_lock_init(&data->susp_lock);
-
 	return result;
 }
 
@@ -884,11 +878,15 @@ static void sierra_dtr_rts(struct usb_serial_port *port, int on)
 
 static int sierra_startup(struct usb_serial *serial)
 {
-	struct usb_serial_port *port;
-	struct sierra_port_private *portdata;
-	struct sierra_iface_info *himemoryp = NULL;
-	int i;
-	u8 ifnum;
+	struct sierra_intf_private *intfdata;
+
+	intfdata = kzalloc(sizeof(*intfdata), GFP_KERNEL);
+	if (!intfdata)
+		return -ENOMEM;
+
+	spin_lock_init(&intfdata->susp_lock);
+
+	usb_set_serial_data(serial, intfdata);
 
 	/* Set Device mode to D0 */
 	sierra_set_power_state(serial->dev, 0x0000);
@@ -897,68 +895,71 @@ static int sierra_startup(struct usb_serial *serial)
 	if (nmea)
 		sierra_vsc_set_nmea(serial->dev, 1);
 
-	/* Now setup per port private data */
-	for (i = 0; i < serial->num_ports; i++) {
-		port = serial->port[i];
-		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
-		if (!portdata) {
-			dev_dbg(&port->dev, "%s: kmalloc for "
-				"sierra_port_private (%d) failed!\n",
-				__func__, i);
-			return -ENOMEM;
-		}
-		spin_lock_init(&portdata->lock);
-		init_usb_anchor(&portdata->active);
-		init_usb_anchor(&portdata->delayed);
-		ifnum = i;
-		/* Assume low memory requirements */
-		portdata->num_out_urbs = N_OUT_URB;
-		portdata->num_in_urbs  = N_IN_URB;
-
-		/* Determine actual memory requirements */
-		if (serial->num_ports == 1) {
-			/* Get interface number for composite device */
-			ifnum = sierra_calc_interface(serial);
-			himemoryp =
-			    (struct sierra_iface_info *)&typeB_interface_list;
-			if (is_himemory(ifnum, himemoryp)) {
-				portdata->num_out_urbs = N_OUT_URB_HM;
-				portdata->num_in_urbs  = N_IN_URB_HM;
-			}
-		}
-		else {
-			himemoryp =
-			    (struct sierra_iface_info *)&typeA_interface_list;
-			if (is_himemory(i, himemoryp)) {
-				portdata->num_out_urbs = N_OUT_URB_HM;
-				portdata->num_in_urbs  = N_IN_URB_HM;
-			}
-		}
-		dev_dbg(&serial->dev->dev,
-			"Memory usage (urbs) interface #%d, in=%d, out=%d\n",
-			ifnum,portdata->num_in_urbs, portdata->num_out_urbs );
-		/* Set the port private data pointer */
-		usb_set_serial_port_data(port, portdata);
-	}
-
 	return 0;
 }
 
 static void sierra_release(struct usb_serial *serial)
 {
-	int i;
-	struct usb_serial_port *port;
+	struct sierra_intf_private *intfdata;
+
+	intfdata = usb_get_serial_data(serial);
+	kfree(intfdata);
+}
+
+static int sierra_port_probe(struct usb_serial_port *port)
+{
+	struct usb_serial *serial = port->serial;
 	struct sierra_port_private *portdata;
+	const struct sierra_iface_info *himemoryp;
+	u8 ifnum;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		port = serial->port[i];
-		if (!port)
-			continue;
-		portdata = usb_get_serial_port_data(port);
-		if (!portdata)
-			continue;
-		kfree(portdata);
+	portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
+	if (!portdata)
+		return -ENOMEM;
+
+	spin_lock_init(&portdata->lock);
+	init_usb_anchor(&portdata->active);
+	init_usb_anchor(&portdata->delayed);
+
+	/* Assume low memory requirements */
+	portdata->num_out_urbs = N_OUT_URB;
+	portdata->num_in_urbs  = N_IN_URB;
+
+	/* Determine actual memory requirements */
+	if (serial->num_ports == 1) {
+		/* Get interface number for composite device */
+		ifnum = sierra_calc_interface(serial);
+		himemoryp = &typeB_interface_list;
+	} else {
+		/* This is really the usb-serial port number of the interface
+		 * rather than the interface number.
+		 */
+		ifnum = port->number - serial->minor;
+		himemoryp = &typeA_interface_list;
 	}
+
+	if (is_himemory(ifnum, himemoryp)) {
+		portdata->num_out_urbs = N_OUT_URB_HM;
+		portdata->num_in_urbs  = N_IN_URB_HM;
+	}
+
+	dev_dbg(&port->dev,
+			"Memory usage (urbs) interface #%d, in=%d, out=%d\n",
+			ifnum, portdata->num_in_urbs, portdata->num_out_urbs);
+
+	usb_set_serial_port_data(port, portdata);
+
+	return 0;
+}
+
+static int sierra_port_remove(struct usb_serial_port *port)
+{
+	struct sierra_port_private *portdata;
+
+	portdata = usb_get_serial_port_data(port);
+	kfree(portdata);
+
+	return 0;
 }
 
 #ifdef CONFIG_PM
@@ -1062,6 +1063,8 @@ static struct usb_serial_driver sierra_device = {
 	.tiocmset          = sierra_tiocmset,
 	.attach            = sierra_startup,
 	.release           = sierra_release,
+	.port_probe        = sierra_port_probe,
+	.port_remove       = sierra_port_remove,
 	.suspend	   = sierra_suspend,
 	.resume		   = sierra_resume,
 	.read_int_callback = sierra_instat_callback,
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 9716efe9295..769c137f897 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -157,13 +157,10 @@ struct spcp8x5_private {
 	u8 			line_status;
 };
 
-/* desc : when device plug in,this function would be called.
- * thanks to usb_serial subsystem,then do almost every things for us. And what
- * we should do just alloc the buffer */
-static int spcp8x5_startup(struct usb_serial *serial)
+static int spcp8x5_port_probe(struct usb_serial_port *port)
 {
+	struct usb_serial *serial = port->serial;
 	struct spcp8x5_private *priv;
-	int i;
 	enum spcp8x5_type type = SPCP825_007_TYPE;
 	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
 
@@ -180,34 +177,27 @@ static int spcp8x5_startup(struct usb_serial *serial)
 		type = SPCP825_PHILIP_TYPE;
 	dev_dbg(&serial->dev->dev, "device type = %d\n", (int)type);
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kzalloc(sizeof(struct spcp8x5_private), GFP_KERNEL);
-		if (!priv)
-			goto cleanup;
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
-		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
-		priv->type = type;
-		usb_set_serial_port_data(serial->port[i] , priv);
-	}
+	spin_lock_init(&priv->lock);
+	init_waitqueue_head(&priv->delta_msr_wait);
+	priv->type = type;
+
+	usb_set_serial_port_data(port , priv);
 
 	return 0;
-cleanup:
-	for (--i; i >= 0; --i) {
-		priv = usb_get_serial_port_data(serial->port[i]);
-		kfree(priv);
-		usb_set_serial_port_data(serial->port[i] , NULL);
-	}
-	return -ENOMEM;
 }
 
-/* call when the device plug out. free all the memory alloced by probe */
-static void spcp8x5_release(struct usb_serial *serial)
+static int spcp8x5_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct spcp8x5_private *priv;
 
-	for (i = 0; i < serial->num_ports; i++)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 /* set the modem control line of the device.
@@ -649,8 +639,8 @@ static struct usb_serial_driver spcp8x5_device = {
 	.ioctl 			= spcp8x5_ioctl,
 	.tiocmget 		= spcp8x5_tiocmget,
 	.tiocmset 		= spcp8x5_tiocmset,
-	.attach 		= spcp8x5_startup,
-	.release 		= spcp8x5_release,
+	.port_probe		= spcp8x5_port_probe,
+	.port_remove		= spcp8x5_port_remove,
 	.process_read_urb	= spcp8x5_process_read_urb,
 };
 
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 015810b3785..868d1e6852e 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -67,13 +67,6 @@ struct ssu100_port_private {
 	struct async_icount icount;
 };
 
-static void ssu100_release(struct usb_serial *serial)
-{
-	struct ssu100_port_private *priv = usb_get_serial_port_data(*serial->port);
-
-	kfree(priv);
-}
-
 static inline int ssu100_control_msg(struct usb_device *dev,
 				     u8 request, u16 data, u16 index)
 {
@@ -442,21 +435,33 @@ static int ssu100_ioctl(struct tty_struct *tty,
 
 static int ssu100_attach(struct usb_serial *serial)
 {
+	return ssu100_initdevice(serial->dev);
+}
+
+static int ssu100_port_probe(struct usb_serial_port *port)
+{
 	struct ssu100_port_private *priv;
-	struct usb_serial_port *port = *serial->port;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv) {
-		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
-			sizeof(*priv));
+	if (!priv)
 		return -ENOMEM;
-	}
 
 	spin_lock_init(&priv->status_lock);
 	init_waitqueue_head(&priv->delta_msr_wait);
+
 	usb_set_serial_port_data(port, priv);
 
-	return ssu100_initdevice(serial->dev);
+	return 0;
+}
+
+static int ssu100_port_remove(struct usb_serial_port *port)
+{
+	struct ssu100_port_private *priv;
+
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int ssu100_tiocmget(struct tty_struct *tty)
@@ -647,7 +652,8 @@ static struct usb_serial_driver ssu100_device = {
 	.open		     = ssu100_open,
 	.close		     = ssu100_close,
 	.attach              = ssu100_attach,
-	.release             = ssu100_release,
+	.port_probe          = ssu100_port_probe,
+	.port_remove         = ssu100_port_remove,
 	.dtr_rts             = ssu100_dtr_rts,
 	.process_read_urb    = ssu100_process_read_urb,
 	.tiocmget            = ssu100_tiocmget,
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 6f49392cda5..f2530d2ef3c 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -97,6 +97,8 @@ struct ti_device {
 
 static int ti_startup(struct usb_serial *serial);
 static void ti_release(struct usb_serial *serial);
+static int ti_port_probe(struct usb_serial_port *port);
+static int ti_port_remove(struct usb_serial_port *port);
 static int ti_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void ti_close(struct usb_serial_port *port);
 static int ti_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -221,6 +223,8 @@ static struct usb_serial_driver ti_1port_device = {
 	.num_ports		= 1,
 	.attach			= ti_startup,
 	.release		= ti_release,
+	.port_probe		= ti_port_probe,
+	.port_remove		= ti_port_remove,
 	.open			= ti_open,
 	.close			= ti_close,
 	.write			= ti_write,
@@ -249,6 +253,8 @@ static struct usb_serial_driver ti_2port_device = {
 	.num_ports		= 2,
 	.attach			= ti_startup,
 	.release		= ti_release,
+	.port_probe		= ti_port_probe,
+	.port_remove		= ti_port_remove,
 	.open			= ti_open,
 	.close			= ti_close,
 	.write			= ti_write,
@@ -347,11 +353,8 @@ module_exit(ti_exit);
 static int ti_startup(struct usb_serial *serial)
 {
 	struct ti_device *tdev;
-	struct ti_port *tport;
 	struct usb_device *dev = serial->dev;
 	int status;
-	int i;
-
 
 	dev_dbg(&dev->dev,
 		"%s - product 0x%4X, num configurations %d, configuration value %d",
@@ -399,42 +402,8 @@ static int ti_startup(struct usb_serial *serial)
 		goto free_tdev;
 	}
 
-	/* set up port structures */
-	for (i = 0; i < serial->num_ports; ++i) {
-		tport = kzalloc(sizeof(struct ti_port), GFP_KERNEL);
-		if (tport == NULL) {
-			dev_err(&dev->dev, "%s - out of memory\n", __func__);
-			status = -ENOMEM;
-			goto free_tports;
-		}
-		spin_lock_init(&tport->tp_lock);
-		tport->tp_uart_base_addr = (i == 0 ?
-				TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR);
-		tport->tp_closing_wait = closing_wait;
-		init_waitqueue_head(&tport->tp_msr_wait);
-		init_waitqueue_head(&tport->tp_write_wait);
-		if (kfifo_alloc(&tport->write_fifo, TI_WRITE_BUF_SIZE,
-								GFP_KERNEL)) {
-			dev_err(&dev->dev, "%s - out of memory\n", __func__);
-			kfree(tport);
-			status = -ENOMEM;
-			goto free_tports;
-		}
-		tport->tp_port = serial->port[i];
-		tport->tp_tdev = tdev;
-		usb_set_serial_port_data(serial->port[i], tport);
-		tport->tp_uart_mode = 0;	/* default is RS232 */
-	}
-
 	return 0;
 
-free_tports:
-	for (--i; i >= 0; --i) {
-		tport = usb_get_serial_port_data(serial->port[i]);
-		kfifo_free(&tport->write_fifo);
-		kfree(tport);
-		usb_set_serial_port_data(serial->port[i], NULL);
-	}
 free_tdev:
 	kfree(tdev);
 	usb_set_serial_data(serial, NULL);
@@ -444,21 +413,50 @@ free_tdev:
 
 static void ti_release(struct usb_serial *serial)
 {
-	int i;
 	struct ti_device *tdev = usb_get_serial_data(serial);
+
+	kfree(tdev);
+}
+
+static int ti_port_probe(struct usb_serial_port *port)
+{
 	struct ti_port *tport;
 
-	for (i = 0; i < serial->num_ports; ++i) {
-		tport = usb_get_serial_port_data(serial->port[i]);
-		if (tport) {
-			kfifo_free(&tport->write_fifo);
-			kfree(tport);
-		}
+	tport = kzalloc(sizeof(*tport), GFP_KERNEL);
+	if (!tport)
+		return -ENOMEM;
+
+	spin_lock_init(&tport->tp_lock);
+	if (port == port->serial->port[0])
+		tport->tp_uart_base_addr = TI_UART1_BASE_ADDR;
+	else
+		tport->tp_uart_base_addr = TI_UART2_BASE_ADDR;
+	tport->tp_closing_wait = closing_wait;
+	init_waitqueue_head(&tport->tp_msr_wait);
+	init_waitqueue_head(&tport->tp_write_wait);
+	if (kfifo_alloc(&tport->write_fifo, TI_WRITE_BUF_SIZE, GFP_KERNEL)) {
+		kfree(tport);
+		return -ENOMEM;
 	}
+	tport->tp_port = port;
+	tport->tp_tdev = usb_get_serial_data(port->serial);
+	tport->tp_uart_mode = 0;	/* default is RS232 */
 
-	kfree(tdev);
+	usb_set_serial_port_data(port, tport);
+
+	return 0;
 }
 
+static int ti_port_remove(struct usb_serial_port *port)
+{
+	struct ti_port *tport;
+
+	tport = usb_get_serial_port_data(port);
+	kfifo_free(&tport->write_fifo);
+	kfree(tport);
+
+	return 0;
+}
 
 static int ti_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h
index 1f034d2397c..684739b8efd 100644
--- a/drivers/usb/serial/usb-wwan.h
+++ b/drivers/usb/serial/usb-wwan.h
@@ -8,7 +8,7 @@
 extern void usb_wwan_dtr_rts(struct usb_serial_port *port, int on);
 extern int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port);
 extern void usb_wwan_close(struct usb_serial_port *port);
-extern int usb_wwan_startup(struct usb_serial *serial);
+extern int usb_wwan_port_probe(struct usb_serial_port *port);
 extern int usb_wwan_port_remove(struct usb_serial_port *port);
 extern int usb_wwan_write_room(struct tty_struct *tty);
 extern void usb_wwan_set_termios(struct tty_struct *tty,
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index e42aa398ed3..61a73ad1a18 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -447,10 +447,12 @@ void usb_wwan_close(struct usb_serial_port *port)
 EXPORT_SYMBOL(usb_wwan_close);
 
 /* Helper functions used by usb_wwan_setup_urbs */
-static struct urb *usb_wwan_setup_urb(struct usb_serial *serial, int endpoint,
+static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port,
+				      int endpoint,
 				      int dir, void *ctx, char *buf, int len,
 				      void (*callback) (struct urb *))
 {
+	struct usb_serial *serial = port->serial;
 	struct urb *urb;
 
 	if (endpoint == -1)
@@ -472,101 +474,75 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial *serial, int endpoint,
 	return urb;
 }
 
-/* Setup urbs */
-static void usb_wwan_setup_urbs(struct usb_serial *serial)
+int usb_wwan_port_probe(struct usb_serial_port *port)
 {
-	int i, j;
-	struct usb_serial_port *port;
 	struct usb_wwan_port_private *portdata;
+	struct urb *urb;
+	u8 *buffer;
+	int err;
+	int i;
 
-	for (i = 0; i < serial->num_ports; i++) {
-		port = serial->port[i];
-		portdata = usb_get_serial_port_data(port);
+	portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
+	if (!portdata)
+		return -ENOMEM;
 
-		/* Do indat endpoints first */
-		for (j = 0; j < N_IN_URB; ++j) {
-			portdata->in_urbs[j] = usb_wwan_setup_urb(serial,
-								  port->
-								  bulk_in_endpointAddress,
-								  USB_DIR_IN,
-								  port,
-								  portdata->
-								  in_buffer[j],
-								  IN_BUFLEN,
-								  usb_wwan_indat_callback);
-		}
+	init_usb_anchor(&portdata->delayed);
 
-		/* outdat endpoints */
-		for (j = 0; j < N_OUT_URB; ++j) {
-			portdata->out_urbs[j] = usb_wwan_setup_urb(serial,
-								   port->
-								   bulk_out_endpointAddress,
-								   USB_DIR_OUT,
-								   port,
-								   portdata->
-								   out_buffer
-								   [j],
-								   OUT_BUFLEN,
-								   usb_wwan_outdat_callback);
-		}
+	for (i = 0; i < N_IN_URB; i++) {
+		buffer = (u8 *)__get_free_page(GFP_KERNEL);
+		if (!buffer)
+			goto bail_out_error;
+		portdata->in_buffer[i] = buffer;
+
+		urb = usb_wwan_setup_urb(port, port->bulk_in_endpointAddress,
+						USB_DIR_IN, port,
+						buffer, IN_BUFLEN,
+						usb_wwan_indat_callback);
+		portdata->in_urbs[i] = urb;
 	}
-}
-
-int usb_wwan_startup(struct usb_serial *serial)
-{
-	int i, j, err;
-	struct usb_serial_port *port;
-	struct usb_wwan_port_private *portdata;
-	u8 *buffer;
 
-	/* Now setup per port private data */
-	for (i = 0; i < serial->num_ports; i++) {
-		port = serial->port[i];
-		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
-		if (!portdata) {
-			dev_dbg(&port->dev, "%s: kmalloc for usb_wwan_port_private (%d) failed!.\n",
-				__func__, i);
-			return 1;
-		}
-		init_usb_anchor(&portdata->delayed);
+	for (i = 0; i < N_OUT_URB; i++) {
+		if (port->bulk_out_endpointAddress == -1)
+			continue;
 
-		for (j = 0; j < N_IN_URB; j++) {
-			buffer = (u8 *) __get_free_page(GFP_KERNEL);
-			if (!buffer)
-				goto bail_out_error;
-			portdata->in_buffer[j] = buffer;
-		}
+		buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
+		if (!buffer)
+			goto bail_out_error2;
+		portdata->out_buffer[i] = buffer;
 
-		for (j = 0; j < N_OUT_URB; j++) {
-			buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
-			if (!buffer)
-				goto bail_out_error2;
-			portdata->out_buffer[j] = buffer;
-		}
+		urb = usb_wwan_setup_urb(port, port->bulk_out_endpointAddress,
+						USB_DIR_OUT, port,
+						buffer, OUT_BUFLEN,
+						usb_wwan_outdat_callback);
+		portdata->out_urbs[i] = urb;
+	}
 
-		usb_set_serial_port_data(port, portdata);
+	usb_set_serial_port_data(port, portdata);
 
-		if (!port->interrupt_in_urb)
-			continue;
+	if (port->interrupt_in_urb) {
 		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 		if (err)
 			dev_dbg(&port->dev, "%s: submit irq_in urb failed %d\n",
 				__func__, err);
 	}
-	usb_wwan_setup_urbs(serial);
+
 	return 0;
 
 bail_out_error2:
-	for (j = 0; j < N_OUT_URB; j++)
-		kfree(portdata->out_buffer[j]);
+	for (i = 0; i < N_OUT_URB; i++) {
+		usb_free_urb(portdata->out_urbs[i]);
+		kfree(portdata->out_buffer[i]);
+	}
 bail_out_error:
-	for (j = 0; j < N_IN_URB; j++)
-		if (portdata->in_buffer[j])
-			free_page((unsigned long)portdata->in_buffer[j]);
+	for (i = 0; i < N_IN_URB; i++) {
+		usb_free_urb(portdata->in_urbs[i]);
+		free_page((unsigned long)portdata->in_buffer[i]);
+	}
 	kfree(portdata);
-	return 1;
+
+	return -ENOMEM;
 }
-EXPORT_SYMBOL(usb_wwan_startup);
+EXPORT_SYMBOL_GPL(usb_wwan_port_probe);
 
 int usb_wwan_port_remove(struct usb_serial_port *port)
 {
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 346c7efc20b..b9fca3586d7 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -83,6 +83,8 @@ static int  whiteheat_firmware_attach(struct usb_serial *serial);
 /* function prototypes for the Connect Tech WhiteHEAT serial converter */
 static int  whiteheat_attach(struct usb_serial *serial);
 static void whiteheat_release(struct usb_serial *serial);
+static int  whiteheat_port_probe(struct usb_serial_port *port);
+static int  whiteheat_port_remove(struct usb_serial_port *port);
 static int  whiteheat_open(struct tty_struct *tty,
 			struct usb_serial_port *port);
 static void whiteheat_close(struct usb_serial_port *port);
@@ -117,6 +119,8 @@ static struct usb_serial_driver whiteheat_device = {
 	.num_ports =		4,
 	.attach =		whiteheat_attach,
 	.release =		whiteheat_release,
+	.port_probe =		whiteheat_port_probe,
+	.port_remove =		whiteheat_port_remove,
 	.open =			whiteheat_open,
 	.close =		whiteheat_close,
 	.ioctl =		whiteheat_ioctl,
@@ -218,15 +222,12 @@ static int whiteheat_attach(struct usb_serial *serial)
 {
 	struct usb_serial_port *command_port;
 	struct whiteheat_command_private *command_info;
-	struct usb_serial_port *port;
-	struct whiteheat_private *info;
 	struct whiteheat_hw_info *hw_info;
 	int pipe;
 	int ret;
 	int alen;
 	__u8 *command;
 	__u8 *result;
-	int i;
 
 	command_port = serial->port[COMMAND_PORT];
 
@@ -285,22 +286,6 @@ static int whiteheat_attach(struct usb_serial *serial)
 		 serial->type->description,
 		 hw_info->sw_major_rev, hw_info->sw_minor_rev);
 
-	for (i = 0; i < serial->num_ports; i++) {
-		port = serial->port[i];
-
-		info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL);
-		if (info == NULL) {
-			dev_err(&port->dev,
-				"%s: Out of memory for port structures\n",
-				serial->type->description);
-			goto no_private;
-		}
-
-		info->mcr = 0;
-
-		usb_set_serial_port_data(port, info);
-	}
-
 	command_info = kmalloc(sizeof(struct whiteheat_command_private),
 								GFP_KERNEL);
 	if (command_info == NULL) {
@@ -333,16 +318,10 @@ no_firmware:
 		"%s: please contact support@connecttech.com\n",
 		serial->type->description);
 	kfree(result);
+	kfree(command);
 	return -ENODEV;
 
 no_command_private:
-	for (i = serial->num_ports - 1; i >= 0; i--) {
-		port = serial->port[i];
-		info = usb_get_serial_port_data(port);
-		kfree(info);
-no_private:
-		;
-	}
 	kfree(result);
 no_result_buffer:
 	kfree(command);
@@ -350,21 +329,36 @@ no_command_buffer:
 	return -ENOMEM;
 }
 
-
 static void whiteheat_release(struct usb_serial *serial)
 {
 	struct usb_serial_port *command_port;
-	struct whiteheat_private *info;
-	int i;
 
 	/* free up our private data for our command port */
 	command_port = serial->port[COMMAND_PORT];
 	kfree(usb_get_serial_port_data(command_port));
+}
 
-	for (i = 0; i < serial->num_ports; i++) {
-		info = usb_get_serial_port_data(serial->port[i]);
-		kfree(info);
-	}
+static int whiteheat_port_probe(struct usb_serial_port *port)
+{
+	struct whiteheat_private *info;
+
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	usb_set_serial_port_data(port, info);
+
+	return 0;
+}
+
+static int whiteheat_port_remove(struct usb_serial_port *port)
+{
+	struct whiteheat_private *info;
+
+	info = usb_get_serial_port_data(port);
+	kfree(info);
+
+	return 0;
 }
 
 static int whiteheat_open(struct tty_struct *tty, struct usb_serial_port *port)
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 779cd954abc..d305a5aa3a5 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1004,6 +1004,12 @@ UNUSUAL_DEV( 0x07cf, 0x1001, 0x1000, 0x9999,
 		USB_SC_8070, USB_PR_CB, NULL,
 		US_FL_NEED_OVERRIDE | US_FL_FIX_INQUIRY ),
 
+/* Submitted by Oleksandr Chumachenko <ledest@gmail.com> */
+UNUSUAL_DEV( 0x07cf, 0x1167, 0x0100, 0x0100,
+		"Casio",
+		"EX-N1 DigitalCamera",
+		USB_SC_8070, USB_PR_DEVICE, NULL, 0),
+
 /* Submitted by Hartmut Wahl <hwahl@hwahl.de>*/
 UNUSUAL_DEV( 0x0839, 0x000a, 0x0001, 0x0001,
 		"Samsung",
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 6d369fe9d30..6c119944bbb 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -408,7 +408,7 @@ static int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma)
 	struct vfio_pci_device *vdev = device_data;
 	struct pci_dev *pdev = vdev->pdev;
 	unsigned int index;
-	u64 phys_len, req_len, pgoff, req_start, phys;
+	u64 phys_len, req_len, pgoff, req_start;
 	int ret;
 
 	index = vma->vm_pgoff >> (VFIO_PCI_OFFSET_SHIFT - PAGE_SHIFT);
@@ -463,10 +463,9 @@ static int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma)
 	vma->vm_private_data = vdev;
 	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+	vma->vm_pgoff = (pci_resource_start(pdev, index) >> PAGE_SHIFT) + pgoff;
 
-	phys = (pci_resource_start(pdev, index) >> PAGE_SHIFT) + pgoff;
-
-	return remap_pfn_range(vma, vma->vm_start, phys,
+	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
 			       req_len, vma->vm_page_prot);
 }
 
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index d8dedc7d391..3639371fa69 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -366,6 +366,17 @@ static int vfio_intx_enable(struct vfio_pci_device *vdev)
 		return -ENOMEM;
 
 	vdev->num_ctx = 1;
+
+	/*
+	 * If the virtual interrupt is masked, restore it.  Devices
+	 * supporting DisINTx can be masked at the hardware level
+	 * here, non-PCI-2.3 devices will have to wait until the
+	 * interrupt is enabled.
+	 */
+	vdev->ctx[0].masked = vdev->virq_disabled;
+	if (vdev->pci_2_3)
+		pci_intx(vdev->pdev, !vdev->ctx[0].masked);
+
 	vdev->irq_type = VFIO_PCI_INTX_IRQ_INDEX;
 
 	return 0;
@@ -400,25 +411,26 @@ static int vfio_intx_set_signal(struct vfio_pci_device *vdev, int fd)
 		return PTR_ERR(trigger);
 	}
 
+	vdev->ctx[0].trigger = trigger;
+
 	if (!vdev->pci_2_3)
 		irqflags = 0;
 
 	ret = request_irq(pdev->irq, vfio_intx_handler,
 			  irqflags, vdev->ctx[0].name, vdev);
 	if (ret) {
+		vdev->ctx[0].trigger = NULL;
 		kfree(vdev->ctx[0].name);
 		eventfd_ctx_put(trigger);
 		return ret;
 	}
 
-	vdev->ctx[0].trigger = trigger;
-
 	/*
 	 * INTx disable will stick across the new irq setup,
 	 * disable_irq won't.
 	 */
 	spin_lock_irqsave(&vdev->irqlock, flags);
-	if (!vdev->pci_2_3 && (vdev->ctx[0].masked || vdev->virq_disabled))
+	if (!vdev->pci_2_3 && vdev->ctx[0].masked)
 		disable_irq_nosync(pdev->irq);
 	spin_unlock_irqrestore(&vdev->irqlock, flags);
 
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 072cbbadbc3..7f93f34b7f9 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -379,7 +379,8 @@ static void handle_rx(struct vhost_net *net)
 		.hdr.gso_type = VIRTIO_NET_HDR_GSO_NONE
 	};
 	size_t total_len = 0;
-	int err, headcount, mergeable;
+	int err, mergeable;
+	s16 headcount;
 	size_t vhost_hlen, sock_hlen;
 	size_t vhost_len, sock_len;
 	/* TODO: check that we are running from vhost_worker? */
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index ed8e2e6c8df..aa31692064d 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -330,17 +330,6 @@ static int tcm_vhost_queue_tm_rsp(struct se_cmd *se_cmd)
 	return 0;
 }
 
-static u16 tcm_vhost_set_fabric_sense_len(struct se_cmd *se_cmd,
-	u32 sense_length)
-{
-	return 0;
-}
-
-static u16 tcm_vhost_get_fabric_sense_len(void)
-{
-	return 0;
-}
-
 static void vhost_scsi_free_cmd(struct tcm_vhost_cmd *tv_cmd)
 {
 	struct se_cmd *se_cmd = &tv_cmd->tvc_se_cmd;
@@ -426,10 +415,7 @@ static struct tcm_vhost_cmd *vhost_scsi_allocate_cmd(
 {
 	struct tcm_vhost_cmd *tv_cmd;
 	struct tcm_vhost_nexus *tv_nexus;
-	struct se_portal_group *se_tpg = &tv_tpg->se_tpg;
 	struct se_session *se_sess;
-	struct se_cmd *se_cmd;
-	int sam_task_attr;
 
 	tv_nexus = tv_tpg->tpg_nexus;
 	if (!tv_nexus) {
@@ -445,23 +431,11 @@ static struct tcm_vhost_cmd *vhost_scsi_allocate_cmd(
 	}
 	INIT_LIST_HEAD(&tv_cmd->tvc_completion_list);
 	tv_cmd->tvc_tag = v_req->tag;
+	tv_cmd->tvc_task_attr = v_req->task_attr;
+	tv_cmd->tvc_exp_data_len = exp_data_len;
+	tv_cmd->tvc_data_direction = data_direction;
+	tv_cmd->tvc_nexus = tv_nexus;
 
-	se_cmd = &tv_cmd->tvc_se_cmd;
-	/*
-	 * Locate the SAM Task Attr from virtio_scsi_cmd_req
-	 */
-	sam_task_attr = v_req->task_attr;
-	/*
-	 * Initialize struct se_cmd descriptor from TCM infrastructure
-	 */
-	transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess, exp_data_len,
-				data_direction, sam_task_attr,
-				&tv_cmd->tvc_sense_buf[0]);
-
-#if 0	/* FIXME: vhost_scsi_allocate_cmd() BIDI operation */
-	if (bidi)
-		se_cmd->se_cmd_flags |= SCF_BIDI;
-#endif
 	return tv_cmd;
 }
 
@@ -560,37 +534,10 @@ static void tcm_vhost_submission_work(struct work_struct *work)
 {
 	struct tcm_vhost_cmd *tv_cmd =
 		container_of(work, struct tcm_vhost_cmd, work);
+	struct tcm_vhost_nexus *tv_nexus;
 	struct se_cmd *se_cmd = &tv_cmd->tvc_se_cmd;
 	struct scatterlist *sg_ptr, *sg_bidi_ptr = NULL;
 	int rc, sg_no_bidi = 0;
-	/*
-	 * Locate the struct se_lun pointer based on v_req->lun, and
-	 * attach it to struct se_cmd
-	 */
-	rc = transport_lookup_cmd_lun(&tv_cmd->tvc_se_cmd, tv_cmd->tvc_lun);
-	if (rc < 0) {
-		pr_err("Failed to look up lun: %d\n", tv_cmd->tvc_lun);
-		transport_send_check_condition_and_sense(&tv_cmd->tvc_se_cmd,
-			tv_cmd->tvc_se_cmd.scsi_sense_reason, 0);
-		transport_generic_free_cmd(se_cmd, 0);
-		return;
-	}
-
-	rc = target_setup_cmd_from_cdb(se_cmd, tv_cmd->tvc_cdb);
-	if (rc == -ENOMEM) {
-		transport_send_check_condition_and_sense(se_cmd,
-				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
-		transport_generic_free_cmd(se_cmd, 0);
-		return;
-	} else if (rc < 0) {
-		if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
-			tcm_vhost_queue_status(se_cmd);
-		else
-			transport_send_check_condition_and_sense(se_cmd,
-					se_cmd->scsi_sense_reason, 0);
-		transport_generic_free_cmd(se_cmd, 0);
-		return;
-	}
 
 	if (tv_cmd->tvc_sgl_count) {
 		sg_ptr = tv_cmd->tvc_sgl;
@@ -608,17 +555,19 @@ static void tcm_vhost_submission_work(struct work_struct *work)
 	} else {
 		sg_ptr = NULL;
 	}
-
-	rc = transport_generic_map_mem_to_cmd(se_cmd, sg_ptr,
-				tv_cmd->tvc_sgl_count, sg_bidi_ptr,
-				sg_no_bidi);
+	tv_nexus = tv_cmd->tvc_nexus;
+
+	rc = target_submit_cmd_map_sgls(se_cmd, tv_nexus->tvn_se_sess,
+			tv_cmd->tvc_cdb, &tv_cmd->tvc_sense_buf[0],
+			tv_cmd->tvc_lun, tv_cmd->tvc_exp_data_len,
+			tv_cmd->tvc_task_attr, tv_cmd->tvc_data_direction,
+			0, sg_ptr, tv_cmd->tvc_sgl_count,
+			sg_bidi_ptr, sg_no_bidi);
 	if (rc < 0) {
 		transport_send_check_condition_and_sense(se_cmd,
-				se_cmd->scsi_sense_reason, 0);
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
 		transport_generic_free_cmd(se_cmd, 0);
-		return;
 	}
-	transport_handle_cdb_direct(se_cmd);
 }
 
 static void vhost_scsi_handle_vq(struct vhost_scsi *vs)
@@ -1531,8 +1480,6 @@ static struct target_core_fabric_ops tcm_vhost_ops = {
 	.queue_data_in			= tcm_vhost_queue_data_in,
 	.queue_status			= tcm_vhost_queue_status,
 	.queue_tm_rsp			= tcm_vhost_queue_tm_rsp,
-	.get_fabric_sense_len		= tcm_vhost_get_fabric_sense_len,
-	.set_fabric_sense_len		= tcm_vhost_set_fabric_sense_len,
 	/*
 	 * Setup callers for generic logic in target_core_fabric_configfs.c
 	 */
diff --git a/drivers/vhost/tcm_vhost.h b/drivers/vhost/tcm_vhost.h
index d9e93557d66..7e87c63ecbc 100644
--- a/drivers/vhost/tcm_vhost.h
+++ b/drivers/vhost/tcm_vhost.h
@@ -5,6 +5,12 @@
 struct tcm_vhost_cmd {
 	/* Descriptor from vhost_get_vq_desc() for virt_queue segment */
 	int tvc_vq_desc;
+	/* virtio-scsi initiator task attribute */
+	int tvc_task_attr;
+	/* virtio-scsi initiator data direction */
+	enum dma_data_direction tvc_data_direction;
+	/* Expected data transfer length from virtio-scsi header */
+	u32 tvc_exp_data_len;
 	/* The Tag from include/linux/virtio_scsi.h:struct virtio_scsi_cmd_req */
 	u64 tvc_tag;
 	/* The number of scatterlists associated with this cmd */
@@ -17,6 +23,8 @@ struct tcm_vhost_cmd {
 	struct virtio_scsi_cmd_resp __user *tvc_resp;
 	/* Pointer to vhost_scsi for our device */
 	struct vhost_scsi *tvc_vhost;
+	/* Pointer to vhost nexus memory */
+	struct tcm_vhost_nexus *tvc_nexus;
 	/* The TCM I/O descriptor that is accessed via container_of() */
 	struct se_cmd tvc_se_cmd;
 	/* work item used for cmwq dispatch to tcm_vhost_submission_work() */
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 20c33c42600..d08d7998a4a 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2139,21 +2139,6 @@ config FB_UDL
 	  mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices.
 	  To compile as a module, choose M here: the module name is udlfb.
 
-config FB_PNX4008_DUM
-	tristate "Display Update Module support on Philips PNX4008 board"
-	depends on FB && ARCH_PNX4008
-	---help---
-	  Say Y here to enable support for PNX4008 Display Update Module (DUM)
-
-config FB_PNX4008_DUM_RGB
-	tristate "RGB Framebuffer support on Philips PNX4008 board"
-	depends on FB_PNX4008_DUM
-	select FB_CFB_FILLRECT
-	select FB_CFB_COPYAREA
-	select FB_CFB_IMAGEBLIT
-	---help---
-	  Say Y here to enable support for PNX4008 RGB Framebuffer
-
 config FB_IBM_GXT4500
 	tristate "Framebuffer support for IBM GXT4500P adaptor"
 	depends on FB && PPC
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 194035986af..23e948ebfab 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -127,8 +127,6 @@ obj-$(CONFIG_FB_S3C)		  += s3c-fb.o
 obj-$(CONFIG_FB_S3C2410)	  += s3c2410fb.o
 obj-$(CONFIG_FB_FSL_DIU)	  += fsl-diu-fb.o
 obj-$(CONFIG_FB_COBALT)           += cobalt_lcdfb.o
-obj-$(CONFIG_FB_PNX4008_DUM)	  += pnx4008/
-obj-$(CONFIG_FB_PNX4008_DUM_RGB)  += pnx4008/
 obj-$(CONFIG_FB_IBM_GXT4500)	  += gxt4500.o
 obj-$(CONFIG_FB_PS3)		  += ps3fb.o
 obj-$(CONFIG_FB_SM501)            += sm501fb.o
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index 887df9d8142..7fa1bf82372 100644
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -949,7 +949,6 @@ static int round_down_bpp = 1;	/* for mode probing */
 
 
 static int amifb_ilbm = 0;	/* interleaved or normal bitplanes */
-static int amifb_inverse = 0;
 
 static u32 amifb_hfmin __initdata;	/* monitor hfreq lower limit (Hz) */
 static u32 amifb_hfmax __initdata;	/* monitor hfreq upper limit (Hz) */
@@ -2355,7 +2354,6 @@ static int __init amifb_setup(char *options)
 		if (!*this_opt)
 			continue;
 		if (!strcmp(this_opt, "inverse")) {
-			amifb_inverse = 1;
 			fb_invert_cmaps();
 		} else if (!strcmp(this_opt, "ilbm"))
 			amifb_ilbm = 1;
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index a1d58e9d307..4659d5da6ff 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -552,6 +552,7 @@ static int __devinit arcfb_probe(struct platform_device *dev)
 				"arcfb", info)) {
 			printk(KERN_INFO
 				"arcfb: Failed req IRQ %d\n", par->irq);
+			retval = -EBUSY;
 			goto err1;
 		}
 	}
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 15055395cd9..94cac9f9919 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -931,8 +931,10 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
 		}
 
 		info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len);
-		if (!info->screen_base)
+		if (!info->screen_base) {
+			ret = -ENOMEM;
 			goto release_intmem;
+		}
 
 		/*
 		 * Don't clear the framebuffer -- someone may have set
@@ -960,6 +962,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
 	sinfo->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len);
 	if (!sinfo->mmio) {
 		dev_err(dev, "cannot map LCDC registers\n");
+		ret = -ENOMEM;
 		goto release_mem;
 	}
 
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index c101697a4ba..765a945f8ea 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -60,7 +60,8 @@ config LCD_LTV350QV
 	  The LTV350QV panel is present on all ATSTK1000 boards.
 
 config LCD_ILI9320
-	tristate
+	tristate "ILI Technology ILI9320 controller support"
+	depends on SPI
 	help
 	  If you have a panel based on the ILI9320 controller chip
 	  then say y to include a power driver for it.
diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index c6915c6c3cd..585949b5705 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/drivers/video/backlight/lm3639_bl.c
@@ -206,11 +206,11 @@ static ssize_t lm3639_bled_mode_store(struct device *dev,
 
 out:
 	dev_err(pchip->dev, "%s:i2c access fail to register\n", __func__);
-	return size;
+	return ret;
 
 out_input:
 	dev_err(pchip->dev, "%s:input conversion fail\n", __func__);
-	return size;
+	return ret;
 
 }
 
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 995f0164c9b..069983ca49f 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -213,7 +213,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 	pb->exit = data->exit;
 	pb->dev = &pdev->dev;
 
-	pb->pwm = pwm_get(&pdev->dev, NULL);
+	pb->pwm = devm_pwm_get(&pdev->dev, NULL);
 	if (IS_ERR(pb->pwm)) {
 		dev_err(&pdev->dev, "unable to request PWM, trying legacy API\n");
 
@@ -246,7 +246,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 	if (IS_ERR(bl)) {
 		dev_err(&pdev->dev, "failed to register backlight\n");
 		ret = PTR_ERR(bl);
-		goto err_bl;
+		goto err_alloc;
 	}
 
 	bl->props.brightness = data->dft_brightness;
@@ -255,8 +255,6 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, bl);
 	return 0;
 
-err_bl:
-	pwm_put(pb->pwm);
 err_alloc:
 	if (data->exit)
 		data->exit(&pdev->dev);
@@ -271,7 +269,6 @@ static int pwm_backlight_remove(struct platform_device *pdev)
 	backlight_device_unregister(bl);
 	pwm_config(pb->pwm, 0, pb->period);
 	pwm_disable(pb->pwm);
-	pwm_put(pb->pwm);
 	if (pb->exit)
 		pb->exit(&pdev->dev);
 	return 0;
diff --git a/drivers/video/bf537-lq035.c b/drivers/video/bf537-lq035.c
index befbc80d11f..7347aa1e5e4 100644
--- a/drivers/video/bf537-lq035.c
+++ b/drivers/video/bf537-lq035.c
@@ -760,18 +760,20 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 	bfin_lq035_fb.flags = FBINFO_DEFAULT;
 
 
-	bfin_lq035_fb.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
+	bfin_lq035_fb.pseudo_palette = devm_kzalloc(&pdev->dev,
+						    sizeof(u32) * 16,
+						    GFP_KERNEL);
 	if (bfin_lq035_fb.pseudo_palette == NULL) {
 		pr_err("failed to allocate pseudo_palette\n");
 		ret = -ENOMEM;
-		goto out_palette;
+		goto out_table;
 	}
 
 	if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) {
 		pr_err("failed to allocate colormap (%d entries)\n",
 			NBR_PALETTE);
 		ret = -EFAULT;
-		goto out_cmap;
+		goto out_table;
 	}
 
 	if (register_framebuffer(&bfin_lq035_fb) < 0) {
@@ -804,9 +806,6 @@ out_lcd:
 	unregister_framebuffer(&bfin_lq035_fb);
 out_reg:
 	fb_dealloc_cmap(&bfin_lq035_fb.cmap);
-out_cmap:
-	kfree(bfin_lq035_fb.pseudo_palette);
-out_palette:
 out_table:
 	dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
 	fb_buffer = NULL;
@@ -834,7 +833,6 @@ static int __devexit bfin_lq035_remove(struct platform_device *pdev)
 	free_dma(CH_PPI);
 
 
-	kfree(bfin_lq035_fb.pseudo_palette);
 	fb_dealloc_cmap(&bfin_lq035_fb.cmap);
 
 
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index dc2f0047769..ff5663f5c64 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -525,6 +525,7 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 	info = fbinfo->par;
 	info->fb = fbinfo;
 	info->dev = &pdev->dev;
+	spin_lock_init(&info->lock);
 
 	platform_set_drvdata(pdev, fbinfo);
 
@@ -601,7 +602,8 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 
 	fbinfo->fbops = &bfin_bf54x_fb_ops;
 
-	fbinfo->pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
+	fbinfo->pseudo_palette = devm_kzalloc(&pdev->dev, sizeof(u32) * 16,
+					      GFP_KERNEL);
 	if (!fbinfo->pseudo_palette) {
 		printk(KERN_ERR DRIVER_NAME
 		       "Fail to allocate pseudo_palette\n");
@@ -616,7 +618,7 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 		       "Fail to allocate colormap (%d entries)\n",
 		       BFIN_LCD_NBR_PALETTE_ENTRIES);
 		ret = -EFAULT;
-		goto out5;
+		goto out4;
 	}
 
 	if (request_ports(info)) {
@@ -671,8 +673,6 @@ out7:
 	free_ports(info);
 out6:
 	fb_dealloc_cmap(&fbinfo->cmap);
-out5:
-	kfree(fbinfo->pseudo_palette);
 out4:
 	dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
 			  info->dma_handle);
@@ -699,7 +699,6 @@ static int __devexit bfin_bf54x_remove(struct platform_device *pdev)
 		dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
 				  info->dma_handle);
 
-	kfree(fbinfo->pseudo_palette);
 	fb_dealloc_cmap(&fbinfo->cmap);
 
 #ifndef NO_BL_SUPPORT
diff --git a/drivers/video/bfin-lq035q1-fb.c b/drivers/video/bfin-lq035q1-fb.c
index 353c02fe8a9..6fbc75c2f0a 100644
--- a/drivers/video/bfin-lq035q1-fb.c
+++ b/drivers/video/bfin-lq035q1-fb.c
@@ -577,6 +577,7 @@ static int __devinit bfin_lq035q1_probe(struct platform_device *pdev)
 	info = fbinfo->par;
 	info->fb = fbinfo;
 	info->dev = &pdev->dev;
+	spin_lock_init(&info->lock);
 
 	info->disp_info = pdev->dev.platform_data;
 
@@ -853,17 +854,7 @@ static struct platform_driver bfin_lq035q1_driver = {
 	},
 };
 
-static int __init bfin_lq035q1_driver_init(void)
-{
-	return platform_driver_register(&bfin_lq035q1_driver);
-}
-module_init(bfin_lq035q1_driver_init);
-
-static void __exit bfin_lq035q1_driver_cleanup(void)
-{
-	platform_driver_unregister(&bfin_lq035q1_driver);
-}
-module_exit(bfin_lq035q1_driver_cleanup);
+module_platform_driver(bfin_lq035q1_driver);
 
 MODULE_DESCRIPTION("Blackfin TFT LCD Driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 7a0c05f3537..ae0fb24b8b4 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -447,6 +447,7 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 	info = fbinfo->par;
 	info->fb = fbinfo;
 	info->dev = &pdev->dev;
+	spin_lock_init(&info->lock);
 
 	platform_set_drvdata(pdev, fbinfo);
 
diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index 7ba74cd4be6..6bea9a93679 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -319,8 +319,10 @@ static int __devinit bw2_probe(struct platform_device *op)
 
 	info->screen_base = of_ioremap(&op->resource[0], 0,
 				       info->fix.smem_len, "bw2 ram");
-	if (!info->screen_base)
+	if (!info->screen_base) {
+		err = -ENOMEM;
 		goto out_unmap_regs;
+	}
 
 	bw2_blank(FB_BLANK_UNBLANK, info);
 
diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c
index f927a7b1a8d..c5e7612ff87 100644
--- a/drivers/video/cg3.c
+++ b/drivers/video/cg3.c
@@ -398,7 +398,8 @@ static int __devinit cg3_probe(struct platform_device *op)
 			goto out_unmap_screen;
 	}
 
-	if (fb_alloc_cmap(&info->cmap, 256, 0))
+	err = fb_alloc_cmap(&info->cmap, 256, 0);
+	if (err)
 		goto out_unmap_screen;
 
 	fb_set_cmap(&info->cmap, info);
diff --git a/drivers/video/cobalt_lcdfb.c b/drivers/video/cobalt_lcdfb.c
index eae46f6457e..01a4ee7cc6b 100644
--- a/drivers/video/cobalt_lcdfb.c
+++ b/drivers/video/cobalt_lcdfb.c
@@ -348,7 +348,8 @@ static int __devinit cobalt_lcdfb_probe(struct platform_device *dev)
 	}
 
 	info->screen_size = resource_size(res);
-	info->screen_base = ioremap(res->start, info->screen_size);
+	info->screen_base = devm_ioremap(&dev->dev, res->start,
+					 info->screen_size);
 	info->fbops = &cobalt_lcd_fbops;
 	info->fix = cobalt_lcdfb_fix;
 	info->fix.smem_start = res->start;
@@ -359,7 +360,6 @@ static int __devinit cobalt_lcdfb_probe(struct platform_device *dev)
 
 	retval = register_framebuffer(info);
 	if (retval < 0) {
-		iounmap(info->screen_base);
 		framebuffer_release(info);
 		return retval;
 	}
@@ -380,7 +380,6 @@ static int __devexit cobalt_lcdfb_remove(struct platform_device *dev)
 
 	info = platform_get_drvdata(dev);
 	if (info) {
-		iounmap(info->screen_base);
 		unregister_framebuffer(info);
 		framebuffer_release(info);
 	}
diff --git a/drivers/video/console/font_mini_4x6.c b/drivers/video/console/font_mini_4x6.c
index fa6e698e63c..838caa1cfef 100644
--- a/drivers/video/console/font_mini_4x6.c
+++ b/drivers/video/console/font_mini_4x6.c
@@ -1092,7 +1092,7 @@ static const unsigned char fontdata_mini_4x6[FONTDATAMAX] = {
 	/*{*/ 	/*   Char 124: '|' */
 	0x44,	/*=   [ *  ]        */
 	0x44,	/*=   [ *  ]        */
-	0x00,	/*=   [    ]        */
+	0x44,	/*=   [ *  ]        */
 	0x44,	/*=   [ *  ]        */
 	0x44,	/*=   [ *  ]        */
 	0x00,	/*=   [    ]        */
diff --git a/drivers/video/console/font_sun8x16.c b/drivers/video/console/font_sun8x16.c
index 5abf290c6eb..268151325b8 100644
--- a/drivers/video/console/font_sun8x16.c
+++ b/drivers/video/console/font_sun8x16.c
@@ -127,7 +127,7 @@ static const unsigned char fontdata_sun8x16[FONTDATAMAX] = {
 /*y*/ 0x00,0x00,0x00,0x00,0x00,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0x7e,0x06,0x0c,0xf8,0x00,
 /*z*/ 0x00,0x00,0x00,0x00,0x00,0xfe,0xcc,0x18,0x30,0x60,0xc6,0xfe,0x00,0x00,0x00,0x00,
 /*{*/ 0x00,0x00,0x0e,0x18,0x18,0x18,0x70,0x18,0x18,0x18,0x18,0x0e,0x00,0x00,0x00,0x00,
-/*|*/ 0x00,0x00,0x18,0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,
+/*|*/ 0x00,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,
 /*}*/ 0x00,0x00,0x70,0x18,0x18,0x18,0x0e,0x18,0x18,0x18,0x18,0x70,0x00,0x00,0x00,0x00,
 /*~*/ 0x00,0x00,0x76,0xdc,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 /* */ 0x00,0x00,0x00,0x00,0x10,0x38,0x6c,0xc6,0xc6,0xc6,0xfe,0x00,0x00,0x00,0x00,0x00,
diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c
index c1527f5b47e..e40125cb313 100644
--- a/drivers/video/cyber2000fb.c
+++ b/drivers/video/cyber2000fb.c
@@ -1804,8 +1804,10 @@ cyberpro_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 
 	cfb->irq = dev->irq;
 	cfb->region = pci_ioremap_bar(dev, 0);
-	if (!cfb->region)
+	if (!cfb->region) {
+		err = -ENOMEM;
 		goto failed_ioremap;
+	}
 
 	cfb->regs = cfb->region + MMIO_OFFSET;
 	cfb->fb.device = &dev->dev;
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 113d43a16f5..80665f66ac1 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -26,7 +26,9 @@
 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/uaccess.h>
+#include <linux/pm_runtime.h>
 #include <linux/interrupt.h>
+#include <linux/wait.h>
 #include <linux/clk.h>
 #include <linux/cpufreq.h>
 #include <linux/console.h>
@@ -48,6 +50,7 @@
 #define LCD_PL_LOAD_DONE		BIT(6)
 #define LCD_FIFO_UNDERFLOW		BIT(5)
 #define LCD_SYNC_LOST			BIT(2)
+#define LCD_FRAME_DONE			BIT(0)
 
 /* LCD DMA Control Register */
 #define LCD_DMA_BURST_SIZE(x)		((x) << 4)
@@ -86,6 +89,8 @@
 #define LCD_V2_LIDD_CLK_EN		BIT(1)
 #define LCD_V2_CORE_CLK_EN		BIT(0)
 #define LCD_V2_LPP_B10			26
+#define LCD_V2_TFT_24BPP_MODE		BIT(25)
+#define LCD_V2_TFT_24BPP_UNPACK		BIT(26)
 
 /* LCD Raster Timing 2 Register */
 #define LCD_AC_BIAS_TRANSITIONS_PER_INT(x)	((x) << 16)
@@ -135,6 +140,8 @@ static void __iomem *da8xx_fb_reg_base;
 static struct resource *lcdc_regs;
 static unsigned int lcd_revision;
 static irq_handler_t lcdc_irq_handler;
+static wait_queue_head_t frame_done_wq;
+static int frame_done_flag;
 
 static inline unsigned int lcdc_read(unsigned int addr)
 {
@@ -156,7 +163,6 @@ struct da8xx_fb_par {
 	unsigned int		dma_end;
 	struct clk *lcdc_clk;
 	int irq;
-	unsigned short pseudo_palette[16];
 	unsigned int palette_sz;
 	unsigned int pxl_clk;
 	int blank;
@@ -175,6 +181,7 @@ struct da8xx_fb_par {
 	unsigned int		lcd_fck_rate;
 #endif
 	void (*panel_power_ctrl)(int);
+	u32 pseudo_palette[16];
 };
 
 /* Variable Screen Information */
@@ -288,13 +295,26 @@ static inline void lcd_enable_raster(void)
 }
 
 /* Disable the Raster Engine of the LCD Controller */
-static inline void lcd_disable_raster(void)
+static inline void lcd_disable_raster(bool wait_for_frame_done)
 {
 	u32 reg;
+	int ret;
 
 	reg = lcdc_read(LCD_RASTER_CTRL_REG);
 	if (reg & LCD_RASTER_ENABLE)
 		lcdc_write(reg & ~LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
+	else
+		/* return if already disabled */
+		return;
+
+	if ((wait_for_frame_done == true) && (lcd_revision == LCD_VERSION_2)) {
+		frame_done_flag = 0;
+		ret = wait_event_interruptible_timeout(frame_done_wq,
+				frame_done_flag != 0,
+				msecs_to_jiffies(50));
+		if (ret == 0)
+			pr_err("LCD Controller timed out\n");
+	}
 }
 
 static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
@@ -321,7 +341,8 @@ static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
 		} else {
 			reg_int = lcdc_read(LCD_INT_ENABLE_SET_REG) |
 				LCD_V2_END_OF_FRAME0_INT_ENA |
-				LCD_V2_END_OF_FRAME1_INT_ENA;
+				LCD_V2_END_OF_FRAME1_INT_ENA |
+				LCD_FRAME_DONE;
 			lcdc_write(reg_int, LCD_INT_ENABLE_SET_REG);
 		}
 		reg_dma |= LCD_DUAL_FRAME_BUFFER_ENABLE;
@@ -499,6 +520,9 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height,
 {
 	u32 reg;
 
+	if (bpp > 16 && lcd_revision == LCD_VERSION_1)
+		return -EINVAL;
+
 	/* Set the Panel Width */
 	/* Pixels per line = (PPL + 1)*16 */
 	if (lcd_revision == LCD_VERSION_1) {
@@ -542,14 +566,19 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height,
 	reg = lcdc_read(LCD_RASTER_CTRL_REG) & ~(1 << 8);
 	if (raster_order)
 		reg |= LCD_RASTER_ORDER;
-	lcdc_write(reg, LCD_RASTER_CTRL_REG);
+
+	par->palette_sz = 16 * 2;
 
 	switch (bpp) {
 	case 1:
 	case 2:
 	case 4:
 	case 16:
-		par->palette_sz = 16 * 2;
+		break;
+	case 24:
+		reg |= LCD_V2_TFT_24BPP_MODE;
+	case 32:
+		reg |= LCD_V2_TFT_24BPP_UNPACK;
 		break;
 
 	case 8:
@@ -560,9 +589,12 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height,
 		return -EINVAL;
 	}
 
+	lcdc_write(reg, LCD_RASTER_CTRL_REG);
+
 	return 0;
 }
 
+#define CNVT_TOHW(val, width) ((((val) << (width)) + 0x7FFF - (val)) >> 16)
 static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 			      unsigned blue, unsigned transp,
 			      struct fb_info *info)
@@ -578,13 +610,38 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 	if (info->fix.visual == FB_VISUAL_DIRECTCOLOR)
 		return 1;
 
-	if (info->var.bits_per_pixel == 4) {
-		if (regno > 15)
-			return 1;
+	if (info->var.bits_per_pixel > 16 && lcd_revision == LCD_VERSION_1)
+		return -EINVAL;
 
-		if (info->var.grayscale) {
-			pal = regno;
-		} else {
+	switch (info->fix.visual) {
+	case FB_VISUAL_TRUECOLOR:
+		red = CNVT_TOHW(red, info->var.red.length);
+		green = CNVT_TOHW(green, info->var.green.length);
+		blue = CNVT_TOHW(blue, info->var.blue.length);
+		break;
+	case FB_VISUAL_PSEUDOCOLOR:
+		switch (info->var.bits_per_pixel) {
+		case 4:
+			if (regno > 15)
+				return -EINVAL;
+
+			if (info->var.grayscale) {
+				pal = regno;
+			} else {
+				red >>= 4;
+				green >>= 8;
+				blue >>= 12;
+
+				pal = red & 0x0f00;
+				pal |= green & 0x00f0;
+				pal |= blue & 0x000f;
+			}
+			if (regno == 0)
+				pal |= 0x2000;
+			palette[regno] = pal;
+			break;
+
+		case 8:
 			red >>= 4;
 			green >>= 8;
 			blue >>= 12;
@@ -592,36 +649,36 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 			pal = (red & 0x0f00);
 			pal |= (green & 0x00f0);
 			pal |= (blue & 0x000f);
-		}
-		if (regno == 0)
-			pal |= 0x2000;
-		palette[regno] = pal;
-
-	} else if (info->var.bits_per_pixel == 8) {
-		red >>= 4;
-		green >>= 8;
-		blue >>= 12;
-
-		pal = (red & 0x0f00);
-		pal |= (green & 0x00f0);
-		pal |= (blue & 0x000f);
 
-		if (palette[regno] != pal) {
-			update_hw = 1;
-			palette[regno] = pal;
+			if (palette[regno] != pal) {
+				update_hw = 1;
+				palette[regno] = pal;
+			}
+			break;
 		}
-	} else if ((info->var.bits_per_pixel == 16) && regno < 16) {
-		red >>= (16 - info->var.red.length);
-		red <<= info->var.red.offset;
+		break;
+	}
 
-		green >>= (16 - info->var.green.length);
-		green <<= info->var.green.offset;
+	/* Truecolor has hardware independent palette */
+	if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
+		u32 v;
 
-		blue >>= (16 - info->var.blue.length);
-		blue <<= info->var.blue.offset;
+		if (regno > 15)
+			return -EINVAL;
 
-		par->pseudo_palette[regno] = red | green | blue;
+		v = (red << info->var.red.offset) |
+			(green << info->var.green.offset) |
+			(blue << info->var.blue.offset);
 
+		switch (info->var.bits_per_pixel) {
+		case 16:
+			((u16 *) (info->pseudo_palette))[regno] = v;
+			break;
+		case 24:
+		case 32:
+			((u32 *) (info->pseudo_palette))[regno] = v;
+			break;
+		}
 		if (palette[0] != 0x4000) {
 			update_hw = 1;
 			palette[0] = 0x4000;
@@ -634,11 +691,12 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 
 	return 0;
 }
+#undef CNVT_TOHW
 
 static void lcd_reset(struct da8xx_fb_par *par)
 {
 	/* Disable the Raster if previously Enabled */
-	lcd_disable_raster();
+	lcd_disable_raster(false);
 
 	/* DMA has to be disabled */
 	lcdc_write(0, LCD_DMA_CTRL_REG);
@@ -734,7 +792,7 @@ static irqreturn_t lcdc_irq_handler_rev02(int irq, void *arg)
 	u32 stat = lcdc_read(LCD_MASKED_STAT_REG);
 
 	if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) {
-		lcd_disable_raster();
+		lcd_disable_raster(false);
 		lcdc_write(stat, LCD_MASKED_STAT_REG);
 		lcd_enable_raster();
 	} else if (stat & LCD_PL_LOAD_DONE) {
@@ -744,7 +802,7 @@ static irqreturn_t lcdc_irq_handler_rev02(int irq, void *arg)
 		 * interrupt via the following write to the status register. If
 		 * this is done after then one gets multiple PL done interrupts.
 		 */
-		lcd_disable_raster();
+		lcd_disable_raster(false);
 
 		lcdc_write(stat, LCD_MASKED_STAT_REG);
 
@@ -775,6 +833,14 @@ static irqreturn_t lcdc_irq_handler_rev02(int irq, void *arg)
 			par->vsync_flag = 1;
 			wake_up_interruptible(&par->vsync_wait);
 		}
+
+		/* Set only when controller is disabled and at the end of
+		 * active frame
+		 */
+		if (stat & BIT(0)) {
+			frame_done_flag = 1;
+			wake_up_interruptible(&frame_done_wq);
+		}
 	}
 
 	lcdc_write(0, LCD_END_OF_INT_IND_REG);
@@ -789,7 +855,7 @@ static irqreturn_t lcdc_irq_handler_rev01(int irq, void *arg)
 	u32 reg_ras;
 
 	if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) {
-		lcd_disable_raster();
+		lcd_disable_raster(false);
 		lcdc_write(stat, LCD_STAT_REG);
 		lcd_enable_raster();
 	} else if (stat & LCD_PL_LOAD_DONE) {
@@ -799,7 +865,7 @@ static irqreturn_t lcdc_irq_handler_rev01(int irq, void *arg)
 		 * interrupt via the following write to the status register. If
 		 * this is done after then one gets multiple PL done interrupts.
 		 */
-		lcd_disable_raster();
+		lcd_disable_raster(false);
 
 		lcdc_write(stat, LCD_STAT_REG);
 
@@ -842,6 +908,9 @@ static int fb_check_var(struct fb_var_screeninfo *var,
 {
 	int err = 0;
 
+	if (var->bits_per_pixel > 16 && lcd_revision == LCD_VERSION_1)
+		return -EINVAL;
+
 	switch (var->bits_per_pixel) {
 	case 1:
 	case 8:
@@ -877,6 +946,26 @@ static int fb_check_var(struct fb_var_screeninfo *var,
 		var->transp.length = 0;
 		var->nonstd = 0;
 		break;
+	case 24:
+		var->red.offset = 16;
+		var->red.length = 8;
+		var->green.offset = 8;
+		var->green.length = 8;
+		var->blue.offset = 0;
+		var->blue.length = 8;
+		var->nonstd = 0;
+		break;
+	case 32:
+		var->transp.offset = 24;
+		var->transp.length = 8;
+		var->red.offset = 16;
+		var->red.length = 8;
+		var->green.offset = 8;
+		var->green.length = 8;
+		var->blue.offset = 0;
+		var->blue.length = 8;
+		var->nonstd = 0;
+		break;
 	default:
 		err = -EINVAL;
 	}
@@ -898,9 +987,10 @@ static int lcd_da8xx_cpufreq_transition(struct notifier_block *nb,
 	if (val == CPUFREQ_POSTCHANGE) {
 		if (par->lcd_fck_rate != clk_get_rate(par->lcdc_clk)) {
 			par->lcd_fck_rate = clk_get_rate(par->lcdc_clk);
-			lcd_disable_raster();
+			lcd_disable_raster(true);
 			lcd_calc_clk_divider(par);
-			lcd_enable_raster();
+			if (par->blank == FB_BLANK_UNBLANK)
+				lcd_enable_raster();
 		}
 	}
 
@@ -935,7 +1025,7 @@ static int __devexit fb_remove(struct platform_device *dev)
 		if (par->panel_power_ctrl)
 			par->panel_power_ctrl(0);
 
-		lcd_disable_raster();
+		lcd_disable_raster(true);
 		lcdc_write(0, LCD_RASTER_CTRL_REG);
 
 		/* disable DMA  */
@@ -948,8 +1038,8 @@ static int __devexit fb_remove(struct platform_device *dev)
 		dma_free_coherent(NULL, par->vram_size, par->vram_virt,
 				  par->vram_phys);
 		free_irq(par->irq, par);
-		clk_disable(par->lcdc_clk);
-		clk_put(par->lcdc_clk);
+		pm_runtime_put_sync(&dev->dev);
+		pm_runtime_disable(&dev->dev);
 		framebuffer_release(info);
 		iounmap(da8xx_fb_reg_base);
 		release_mem_region(lcdc_regs->start, resource_size(lcdc_regs));
@@ -1051,7 +1141,7 @@ static int cfb_blank(int blank, struct fb_info *info)
 		if (par->panel_power_ctrl)
 			par->panel_power_ctrl(0);
 
-		lcd_disable_raster();
+		lcd_disable_raster(true);
 		break;
 	default:
 		ret = -EINVAL;
@@ -1183,9 +1273,9 @@ static int __devinit fb_probe(struct platform_device *device)
 		ret = -ENODEV;
 		goto err_ioremap;
 	}
-	ret = clk_enable(fb_clk);
-	if (ret)
-		goto err_clk_put;
+
+	pm_runtime_enable(&device->dev);
+	pm_runtime_get_sync(&device->dev);
 
 	/* Determine LCD IP Version */
 	switch (lcdc_read(LCD_PID_REG)) {
@@ -1213,7 +1303,7 @@ static int __devinit fb_probe(struct platform_device *device)
 	if (i == ARRAY_SIZE(known_lcd_panels)) {
 		dev_err(&device->dev, "GLCD: No valid panel found\n");
 		ret = -ENODEV;
-		goto err_clk_disable;
+		goto err_pm_runtime_disable;
 	} else
 		dev_info(&device->dev, "GLCD: Found %s panel\n",
 					fb_pdata->type);
@@ -1225,7 +1315,7 @@ static int __devinit fb_probe(struct platform_device *device)
 	if (!da8xx_fb_info) {
 		dev_dbg(&device->dev, "Memory allocation failed for fb_info\n");
 		ret = -ENOMEM;
-		goto err_clk_disable;
+		goto err_pm_runtime_disable;
 	}
 
 	par = da8xx_fb_info->par;
@@ -1356,8 +1446,10 @@ static int __devinit fb_probe(struct platform_device *device)
 
 	if (lcd_revision == LCD_VERSION_1)
 		lcdc_irq_handler = lcdc_irq_handler_rev01;
-	else
+	else {
+		init_waitqueue_head(&frame_done_wq);
 		lcdc_irq_handler = lcdc_irq_handler_rev02;
+	}
 
 	ret = request_irq(par->irq, lcdc_irq_handler, 0,
 			DRIVER_NAME, par);
@@ -1385,11 +1477,9 @@ err_release_fb_mem:
 err_release_fb:
 	framebuffer_release(da8xx_fb_info);
 
-err_clk_disable:
-	clk_disable(fb_clk);
-
-err_clk_put:
-	clk_put(fb_clk);
+err_pm_runtime_disable:
+	pm_runtime_put_sync(&device->dev);
+	pm_runtime_disable(&device->dev);
 
 err_ioremap:
 	iounmap(da8xx_fb_reg_base);
@@ -1401,6 +1491,69 @@ err_request_mem:
 }
 
 #ifdef CONFIG_PM
+struct lcdc_context {
+	u32 clk_enable;
+	u32 ctrl;
+	u32 dma_ctrl;
+	u32 raster_timing_0;
+	u32 raster_timing_1;
+	u32 raster_timing_2;
+	u32 int_enable_set;
+	u32 dma_frm_buf_base_addr_0;
+	u32 dma_frm_buf_ceiling_addr_0;
+	u32 dma_frm_buf_base_addr_1;
+	u32 dma_frm_buf_ceiling_addr_1;
+	u32 raster_ctrl;
+} reg_context;
+
+static void lcd_context_save(void)
+{
+	if (lcd_revision == LCD_VERSION_2) {
+		reg_context.clk_enable = lcdc_read(LCD_CLK_ENABLE_REG);
+		reg_context.int_enable_set = lcdc_read(LCD_INT_ENABLE_SET_REG);
+	}
+
+	reg_context.ctrl = lcdc_read(LCD_CTRL_REG);
+	reg_context.dma_ctrl = lcdc_read(LCD_DMA_CTRL_REG);
+	reg_context.raster_timing_0 = lcdc_read(LCD_RASTER_TIMING_0_REG);
+	reg_context.raster_timing_1 = lcdc_read(LCD_RASTER_TIMING_1_REG);
+	reg_context.raster_timing_2 = lcdc_read(LCD_RASTER_TIMING_2_REG);
+	reg_context.dma_frm_buf_base_addr_0 =
+		lcdc_read(LCD_DMA_FRM_BUF_BASE_ADDR_0_REG);
+	reg_context.dma_frm_buf_ceiling_addr_0 =
+		lcdc_read(LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG);
+	reg_context.dma_frm_buf_base_addr_1 =
+		lcdc_read(LCD_DMA_FRM_BUF_BASE_ADDR_1_REG);
+	reg_context.dma_frm_buf_ceiling_addr_1 =
+		lcdc_read(LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG);
+	reg_context.raster_ctrl = lcdc_read(LCD_RASTER_CTRL_REG);
+	return;
+}
+
+static void lcd_context_restore(void)
+{
+	if (lcd_revision == LCD_VERSION_2) {
+		lcdc_write(reg_context.clk_enable, LCD_CLK_ENABLE_REG);
+		lcdc_write(reg_context.int_enable_set, LCD_INT_ENABLE_SET_REG);
+	}
+
+	lcdc_write(reg_context.ctrl, LCD_CTRL_REG);
+	lcdc_write(reg_context.dma_ctrl, LCD_DMA_CTRL_REG);
+	lcdc_write(reg_context.raster_timing_0, LCD_RASTER_TIMING_0_REG);
+	lcdc_write(reg_context.raster_timing_1, LCD_RASTER_TIMING_1_REG);
+	lcdc_write(reg_context.raster_timing_2, LCD_RASTER_TIMING_2_REG);
+	lcdc_write(reg_context.dma_frm_buf_base_addr_0,
+			LCD_DMA_FRM_BUF_BASE_ADDR_0_REG);
+	lcdc_write(reg_context.dma_frm_buf_ceiling_addr_0,
+			LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG);
+	lcdc_write(reg_context.dma_frm_buf_base_addr_1,
+			LCD_DMA_FRM_BUF_BASE_ADDR_1_REG);
+	lcdc_write(reg_context.dma_frm_buf_ceiling_addr_1,
+			LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG);
+	lcdc_write(reg_context.raster_ctrl, LCD_RASTER_CTRL_REG);
+	return;
+}
+
 static int fb_suspend(struct platform_device *dev, pm_message_t state)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
@@ -1411,8 +1564,9 @@ static int fb_suspend(struct platform_device *dev, pm_message_t state)
 		par->panel_power_ctrl(0);
 
 	fb_set_suspend(info, 1);
-	lcd_disable_raster();
-	clk_disable(par->lcdc_clk);
+	lcd_disable_raster(true);
+	lcd_context_save();
+	pm_runtime_put_sync(&dev->dev);
 	console_unlock();
 
 	return 0;
@@ -1423,11 +1577,14 @@ static int fb_resume(struct platform_device *dev)
 	struct da8xx_fb_par *par = info->par;
 
 	console_lock();
-	clk_enable(par->lcdc_clk);
-	lcd_enable_raster();
+	pm_runtime_get_sync(&dev->dev);
+	lcd_context_restore();
+	if (par->blank == FB_BLANK_UNBLANK) {
+		lcd_enable_raster();
 
-	if (par->panel_power_ctrl)
-		par->panel_power_ctrl(1);
+		if (par->panel_power_ctrl)
+			par->panel_power_ctrl(1);
+	}
 
 	fb_set_suspend(info, 0);
 	console_unlock();
diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c
index f2c092da84b..755ef3e65ca 100644
--- a/drivers/video/ep93xx-fb.c
+++ b/drivers/video/ep93xx-fb.c
@@ -529,7 +529,8 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev)
 	 * any of the framebuffer registers.
 	 */
 	fbi->res = res;
-	fbi->mmio_base = ioremap(res->start, resource_size(res));
+	fbi->mmio_base = devm_ioremap(&pdev->dev, res->start,
+				      resource_size(res));
 	if (!fbi->mmio_base) {
 		err = -ENXIO;
 		goto failed_resource;
@@ -553,20 +554,20 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev)
 	if (err == 0) {
 		dev_err(info->dev, "No suitable video mode found\n");
 		err = -EINVAL;
-		goto failed_mode;
+		goto failed_resource;
 	}
 
 	if (mach_info->setup) {
 		err = mach_info->setup(pdev);
 		if (err)
-			goto failed_mode;
+			goto failed_resource;
 	}
 
 	err = ep93xxfb_check_var(&info->var, info);
 	if (err)
 		goto failed_check;
 
-	fbi->clk = clk_get(info->dev, NULL);
+	fbi->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(fbi->clk)) {
 		err = PTR_ERR(fbi->clk);
 		fbi->clk = NULL;
@@ -578,19 +579,15 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev)
 
 	err = register_framebuffer(info);
 	if (err)
-		goto failed;
+		goto failed_check;
 
 	dev_info(info->dev, "registered. Mode = %dx%d-%d\n",
 		 info->var.xres, info->var.yres, info->var.bits_per_pixel);
 	return 0;
 
-failed:
-	clk_put(fbi->clk);
 failed_check:
 	if (fbi->mach_info->teardown)
 		fbi->mach_info->teardown(pdev);
-failed_mode:
-	iounmap(fbi->mmio_base);
 failed_resource:
 	ep93xxfb_dealloc_videomem(info);
 failed_videomem:
@@ -609,8 +606,6 @@ static int __devexit ep93xxfb_remove(struct platform_device *pdev)
 
 	unregister_framebuffer(info);
 	clk_disable(fbi->clk);
-	clk_put(fbi->clk);
-	iounmap(fbi->mmio_base);
 	ep93xxfb_dealloc_videomem(info);
 	fb_dealloc_cmap(&info->cmap);
 
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index c6c016a506c..d55470e7541 100644
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/video/exynos/exynos_dp_core.c
@@ -29,6 +29,9 @@ static int exynos_dp_init_dp(struct exynos_dp_device *dp)
 
 	exynos_dp_swreset(dp);
 
+	exynos_dp_init_analog_param(dp);
+	exynos_dp_init_interrupt(dp);
+
 	/* SW defined function Normal operation */
 	exynos_dp_enable_sw_function(dp);
 
@@ -260,7 +263,7 @@ static void exynos_dp_set_lane_lane_pre_emphasis(struct exynos_dp_device *dp,
 
 static void exynos_dp_link_start(struct exynos_dp_device *dp)
 {
-	u8 buf[5];
+	u8 buf[4];
 	int lane;
 	int lane_count;
 
@@ -295,10 +298,10 @@ static void exynos_dp_link_start(struct exynos_dp_device *dp)
 	exynos_dp_set_training_pattern(dp, TRAINING_PTN1);
 
 	/* Set RX training pattern */
-	buf[0] = DPCD_SCRAMBLING_DISABLED |
-		 DPCD_TRAINING_PATTERN_1;
 	exynos_dp_write_byte_to_dpcd(dp,
-		DPCD_ADDR_TRAINING_PATTERN_SET, buf[0]);
+		DPCD_ADDR_TRAINING_PATTERN_SET,
+		DPCD_SCRAMBLING_DISABLED |
+		DPCD_TRAINING_PATTERN_1);
 
 	for (lane = 0; lane < lane_count; lane++)
 		buf[lane] = DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 |
@@ -308,7 +311,7 @@ static void exynos_dp_link_start(struct exynos_dp_device *dp)
 		lane_count, buf);
 }
 
-static unsigned char exynos_dp_get_lane_status(u8 link_status[6], int lane)
+static unsigned char exynos_dp_get_lane_status(u8 link_status[2], int lane)
 {
 	int shift = (lane & 1) * 4;
 	u8 link_value = link_status[lane>>1];
@@ -316,7 +319,7 @@ static unsigned char exynos_dp_get_lane_status(u8 link_status[6], int lane)
 	return (link_value >> shift) & 0xf;
 }
 
-static int exynos_dp_clock_recovery_ok(u8 link_status[6], int lane_count)
+static int exynos_dp_clock_recovery_ok(u8 link_status[2], int lane_count)
 {
 	int lane;
 	u8 lane_status;
@@ -329,22 +332,23 @@ static int exynos_dp_clock_recovery_ok(u8 link_status[6], int lane_count)
 	return 0;
 }
 
-static int exynos_dp_channel_eq_ok(u8 link_status[6], int lane_count)
+static int exynos_dp_channel_eq_ok(u8 link_align[3], int lane_count)
 {
 	int lane;
 	u8 lane_align;
 	u8 lane_status;
 
-	lane_align = link_status[2];
+	lane_align = link_align[2];
 	if ((lane_align & DPCD_INTERLANE_ALIGN_DONE) == 0)
 		return -EINVAL;
 
 	for (lane = 0; lane < lane_count; lane++) {
-		lane_status = exynos_dp_get_lane_status(link_status, lane);
+		lane_status = exynos_dp_get_lane_status(link_align, lane);
 		lane_status &= DPCD_CHANNEL_EQ_BITS;
 		if (lane_status != DPCD_CHANNEL_EQ_BITS)
 			return -EINVAL;
 	}
+
 	return 0;
 }
 
@@ -417,69 +421,17 @@ static unsigned int exynos_dp_get_lane_link_training(
 
 static void exynos_dp_reduce_link_rate(struct exynos_dp_device *dp)
 {
-	if (dp->link_train.link_rate == LINK_RATE_2_70GBPS) {
-		/* set to reduced bit rate */
-		dp->link_train.link_rate = LINK_RATE_1_62GBPS;
-		dev_err(dp->dev, "set to bandwidth %.2x\n",
-			dp->link_train.link_rate);
-		dp->link_train.lt_state = START;
-	} else {
-		exynos_dp_training_pattern_dis(dp);
-		/* set enhanced mode if available */
-		exynos_dp_set_enhanced_mode(dp);
-		dp->link_train.lt_state = FAILED;
-	}
-}
+	exynos_dp_training_pattern_dis(dp);
+	exynos_dp_set_enhanced_mode(dp);
 
-static void exynos_dp_get_adjust_train(struct exynos_dp_device *dp,
-				u8 adjust_request[2])
-{
-	int lane;
-	int lane_count;
-	u8 voltage_swing;
-	u8 pre_emphasis;
-	u8 training_lane;
-
-	lane_count = dp->link_train.lane_count;
-	for (lane = 0; lane < lane_count; lane++) {
-		voltage_swing = exynos_dp_get_adjust_request_voltage(
-						adjust_request, lane);
-		pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
-						adjust_request, lane);
-		training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) |
-				DPCD_PRE_EMPHASIS_SET(pre_emphasis);
-
-		if (voltage_swing == VOLTAGE_LEVEL_3 ||
-		   pre_emphasis == PRE_EMPHASIS_LEVEL_3) {
-			training_lane |= DPCD_MAX_SWING_REACHED;
-			training_lane |= DPCD_MAX_PRE_EMPHASIS_REACHED;
-		}
-		dp->link_train.training_lane[lane] = training_lane;
-	}
-}
-
-static int exynos_dp_check_max_cr_loop(struct exynos_dp_device *dp,
-					u8 voltage_swing)
-{
-	int lane;
-	int lane_count;
-
-	lane_count = dp->link_train.lane_count;
-	for (lane = 0; lane < lane_count; lane++) {
-		if (voltage_swing == VOLTAGE_LEVEL_3 ||
-			dp->link_train.cr_loop[lane] == MAX_CR_LOOP)
-			return -EINVAL;
-	}
-	return 0;
+	dp->link_train.lt_state = FAILED;
 }
 
 static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp)
 {
-	u8 data;
-	u8 link_status[6];
+	u8 link_status[2];
 	int lane;
 	int lane_count;
-	u8 buf[5];
 
 	u8 adjust_request[2];
 	u8 voltage_swing;
@@ -488,100 +440,154 @@ static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp)
 
 	usleep_range(100, 101);
 
-	exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_LANE0_1_STATUS,
-				6, link_status);
 	lane_count = dp->link_train.lane_count;
 
+	exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_LANE0_1_STATUS,
+				2, link_status);
+
 	if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) {
 		/* set training pattern 2 for EQ */
 		exynos_dp_set_training_pattern(dp, TRAINING_PTN2);
 
-		adjust_request[0] = link_status[4];
-		adjust_request[1] = link_status[5];
+		for (lane = 0; lane < lane_count; lane++) {
+			exynos_dp_read_bytes_from_dpcd(dp,
+					DPCD_ADDR_ADJUST_REQUEST_LANE0_1,
+					2, adjust_request);
+			voltage_swing = exynos_dp_get_adjust_request_voltage(
+							adjust_request, lane);
+			pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
+							adjust_request, lane);
+			training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) |
+					DPCD_PRE_EMPHASIS_SET(pre_emphasis);
 
-		exynos_dp_get_adjust_train(dp, adjust_request);
+			if (voltage_swing == VOLTAGE_LEVEL_3)
+				training_lane |= DPCD_MAX_SWING_REACHED;
+			if (pre_emphasis == PRE_EMPHASIS_LEVEL_3)
+				training_lane |= DPCD_MAX_PRE_EMPHASIS_REACHED;
 
-		buf[0] = DPCD_SCRAMBLING_DISABLED |
-			 DPCD_TRAINING_PATTERN_2;
-		exynos_dp_write_byte_to_dpcd(dp,
-			DPCD_ADDR_TRAINING_PATTERN_SET,
-			buf[0]);
+			dp->link_train.training_lane[lane] = training_lane;
 
-		for (lane = 0; lane < lane_count; lane++) {
 			exynos_dp_set_lane_link_training(dp,
 				dp->link_train.training_lane[lane],
 				lane);
-			buf[lane] = dp->link_train.training_lane[lane];
-			exynos_dp_write_byte_to_dpcd(dp,
-				DPCD_ADDR_TRAINING_LANE0_SET + lane,
-				buf[lane]);
 		}
-		dp->link_train.lt_state = EQUALIZER_TRAINING;
-	} else {
-		exynos_dp_read_byte_from_dpcd(dp,
-			DPCD_ADDR_ADJUST_REQUEST_LANE0_1,
-			&data);
-		adjust_request[0] = data;
 
-		exynos_dp_read_byte_from_dpcd(dp,
-			DPCD_ADDR_ADJUST_REQUEST_LANE2_3,
-			&data);
-		adjust_request[1] = data;
+		exynos_dp_write_byte_to_dpcd(dp,
+			DPCD_ADDR_TRAINING_PATTERN_SET,
+			DPCD_SCRAMBLING_DISABLED |
+			DPCD_TRAINING_PATTERN_2);
+
+		exynos_dp_write_bytes_to_dpcd(dp,
+			DPCD_ADDR_TRAINING_LANE0_SET,
+			lane_count,
+			dp->link_train.training_lane);
 
+		dev_info(dp->dev, "Link Training Clock Recovery success\n");
+		dp->link_train.lt_state = EQUALIZER_TRAINING;
+	} else {
 		for (lane = 0; lane < lane_count; lane++) {
 			training_lane = exynos_dp_get_lane_link_training(
 							dp, lane);
+			exynos_dp_read_bytes_from_dpcd(dp,
+					DPCD_ADDR_ADJUST_REQUEST_LANE0_1,
+					2, adjust_request);
 			voltage_swing = exynos_dp_get_adjust_request_voltage(
 							adjust_request, lane);
 			pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
 							adjust_request, lane);
-			if ((DPCD_VOLTAGE_SWING_GET(training_lane) == voltage_swing) &&
-			    (DPCD_PRE_EMPHASIS_GET(training_lane) == pre_emphasis))
-				dp->link_train.cr_loop[lane]++;
-			dp->link_train.training_lane[lane] = training_lane;
-		}
 
-		if (exynos_dp_check_max_cr_loop(dp, voltage_swing) != 0) {
-			exynos_dp_reduce_link_rate(dp);
-		} else {
-			exynos_dp_get_adjust_train(dp, adjust_request);
+			if (voltage_swing == VOLTAGE_LEVEL_3 ||
+			    pre_emphasis == PRE_EMPHASIS_LEVEL_3) {
+				dev_err(dp->dev, "voltage or pre emphasis reached max level\n");
+				goto reduce_link_rate;
+			}
 
-			for (lane = 0; lane < lane_count; lane++) {
-				exynos_dp_set_lane_link_training(dp,
-					dp->link_train.training_lane[lane],
-					lane);
-				buf[lane] = dp->link_train.training_lane[lane];
-				exynos_dp_write_byte_to_dpcd(dp,
-					DPCD_ADDR_TRAINING_LANE0_SET + lane,
-					buf[lane]);
+			if ((DPCD_VOLTAGE_SWING_GET(training_lane) ==
+					voltage_swing) &&
+			   (DPCD_PRE_EMPHASIS_GET(training_lane) ==
+					pre_emphasis)) {
+				dp->link_train.cr_loop[lane]++;
+				if (dp->link_train.cr_loop[lane] == MAX_CR_LOOP) {
+					dev_err(dp->dev, "CR Max loop\n");
+					goto reduce_link_rate;
+				}
 			}
+
+			training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) |
+					DPCD_PRE_EMPHASIS_SET(pre_emphasis);
+
+			if (voltage_swing == VOLTAGE_LEVEL_3)
+				training_lane |= DPCD_MAX_SWING_REACHED;
+			if (pre_emphasis == PRE_EMPHASIS_LEVEL_3)
+				training_lane |= DPCD_MAX_PRE_EMPHASIS_REACHED;
+
+			dp->link_train.training_lane[lane] = training_lane;
+
+			exynos_dp_set_lane_link_training(dp,
+				dp->link_train.training_lane[lane], lane);
 		}
+
+		exynos_dp_write_bytes_to_dpcd(dp,
+			DPCD_ADDR_TRAINING_LANE0_SET,
+			lane_count,
+			dp->link_train.training_lane);
 	}
 
 	return 0;
+
+reduce_link_rate:
+	exynos_dp_reduce_link_rate(dp);
+	return -EIO;
 }
 
 static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp)
 {
-	u8 link_status[6];
+	u8 link_status[2];
+	u8 link_align[3];
 	int lane;
 	int lane_count;
-	u8 buf[5];
 	u32 reg;
 
 	u8 adjust_request[2];
+	u8 voltage_swing;
+	u8 pre_emphasis;
+	u8 training_lane;
 
 	usleep_range(400, 401);
 
-	exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_LANE0_1_STATUS,
-				6, link_status);
 	lane_count = dp->link_train.lane_count;
 
+	exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_LANE0_1_STATUS,
+				2, link_status);
+
 	if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) {
-		adjust_request[0] = link_status[4];
-		adjust_request[1] = link_status[5];
+		link_align[0] = link_status[0];
+		link_align[1] = link_status[1];
 
-		if (exynos_dp_channel_eq_ok(link_status, lane_count) == 0) {
+		exynos_dp_read_byte_from_dpcd(dp,
+			DPCD_ADDR_LANE_ALIGN_STATUS_UPDATED,
+			&link_align[2]);
+
+		for (lane = 0; lane < lane_count; lane++) {
+			exynos_dp_read_bytes_from_dpcd(dp,
+					DPCD_ADDR_ADJUST_REQUEST_LANE0_1,
+					2, adjust_request);
+			voltage_swing = exynos_dp_get_adjust_request_voltage(
+							adjust_request, lane);
+			pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
+							adjust_request, lane);
+			training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) |
+					DPCD_PRE_EMPHASIS_SET(pre_emphasis);
+
+			if (voltage_swing == VOLTAGE_LEVEL_3)
+				training_lane |= DPCD_MAX_SWING_REACHED;
+			if (pre_emphasis == PRE_EMPHASIS_LEVEL_3)
+				training_lane |= DPCD_MAX_PRE_EMPHASIS_REACHED;
+
+			dp->link_train.training_lane[lane] = training_lane;
+		}
+
+		if (exynos_dp_channel_eq_ok(link_align, lane_count) == 0) {
 			/* traing pattern Set to Normal */
 			exynos_dp_training_pattern_dis(dp);
 
@@ -596,39 +602,42 @@ static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp)
 			dp->link_train.lane_count = reg;
 			dev_dbg(dp->dev, "final lane count = %.2x\n",
 				dp->link_train.lane_count);
+
 			/* set enhanced mode if available */
 			exynos_dp_set_enhanced_mode(dp);
-
 			dp->link_train.lt_state = FINISHED;
 		} else {
 			/* not all locked */
 			dp->link_train.eq_loop++;
 
 			if (dp->link_train.eq_loop > MAX_EQ_LOOP) {
-				exynos_dp_reduce_link_rate(dp);
-			} else {
-				exynos_dp_get_adjust_train(dp, adjust_request);
-
-				for (lane = 0; lane < lane_count; lane++) {
-					exynos_dp_set_lane_link_training(dp,
-						dp->link_train.training_lane[lane],
-						lane);
-					buf[lane] = dp->link_train.training_lane[lane];
-					exynos_dp_write_byte_to_dpcd(dp,
-						DPCD_ADDR_TRAINING_LANE0_SET + lane,
-						buf[lane]);
-				}
+				dev_err(dp->dev, "EQ Max loop\n");
+				goto reduce_link_rate;
 			}
+
+			for (lane = 0; lane < lane_count; lane++)
+				exynos_dp_set_lane_link_training(dp,
+					dp->link_train.training_lane[lane],
+					lane);
+
+			exynos_dp_write_bytes_to_dpcd(dp,
+				DPCD_ADDR_TRAINING_LANE0_SET,
+				lane_count,
+				dp->link_train.training_lane);
 		}
 	} else {
-		exynos_dp_reduce_link_rate(dp);
+		goto reduce_link_rate;
 	}
 
 	return 0;
+
+reduce_link_rate:
+	exynos_dp_reduce_link_rate(dp);
+	return -EIO;
 }
 
 static void exynos_dp_get_max_rx_bandwidth(struct exynos_dp_device *dp,
-			u8 *bandwidth)
+					u8 *bandwidth)
 {
 	u8 data;
 
@@ -641,7 +650,7 @@ static void exynos_dp_get_max_rx_bandwidth(struct exynos_dp_device *dp,
 }
 
 static void exynos_dp_get_max_rx_lane_count(struct exynos_dp_device *dp,
-			u8 *lane_count)
+					u8 *lane_count)
 {
 	u8 data;
 
@@ -693,13 +702,7 @@ static void exynos_dp_init_training(struct exynos_dp_device *dp,
 static int exynos_dp_sw_link_training(struct exynos_dp_device *dp)
 {
 	int retval = 0;
-	int training_finished;
-
-	/* Turn off unnecessary lane */
-	if (dp->link_train.lane_count == 1)
-		exynos_dp_set_analog_power_down(dp, CH1_BLOCK, 1);
-
-	training_finished = 0;
+	int training_finished = 0;
 
 	dp->link_train.lt_state = START;
 
@@ -710,10 +713,14 @@ static int exynos_dp_sw_link_training(struct exynos_dp_device *dp)
 			exynos_dp_link_start(dp);
 			break;
 		case CLOCK_RECOVERY:
-			exynos_dp_process_clock_recovery(dp);
+			retval = exynos_dp_process_clock_recovery(dp);
+			if (retval)
+				dev_err(dp->dev, "LT CR failed!\n");
 			break;
 		case EQUALIZER_TRAINING:
-			exynos_dp_process_equalizer_training(dp);
+			retval = exynos_dp_process_equalizer_training(dp);
+			if (retval)
+				dev_err(dp->dev, "LT EQ failed!\n");
 			break;
 		case FINISHED:
 			training_finished = 1;
@@ -872,40 +879,33 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev)
 
 	dp->dev = &pdev->dev;
 
-	dp->clock = clk_get(&pdev->dev, "dp");
+	dp->clock = devm_clk_get(&pdev->dev, "dp");
 	if (IS_ERR(dp->clock)) {
 		dev_err(&pdev->dev, "failed to get clock\n");
 		return PTR_ERR(dp->clock);
 	}
 
-	clk_enable(dp->clock);
+	clk_prepare_enable(dp->clock);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "failed to get registers\n");
-		ret = -EINVAL;
-		goto err_clock;
-	}
 
 	dp->reg_base = devm_request_and_ioremap(&pdev->dev, res);
 	if (!dp->reg_base) {
 		dev_err(&pdev->dev, "failed to ioremap\n");
-		ret = -ENOMEM;
-		goto err_clock;
+		return -ENOMEM;
 	}
 
 	dp->irq = platform_get_irq(pdev, 0);
 	if (!dp->irq) {
 		dev_err(&pdev->dev, "failed to get irq\n");
-		ret = -ENODEV;
-		goto err_clock;
+		return -ENODEV;
 	}
 
 	ret = devm_request_irq(&pdev->dev, dp->irq, exynos_dp_irq_handler, 0,
 				"exynos-dp", dp);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to request irq\n");
-		goto err_clock;
+		return ret;
 	}
 
 	dp->video_info = pdata->video_info;
@@ -917,7 +917,7 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev)
 	ret = exynos_dp_detect_hpd(dp);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to detect hpd\n");
-		goto err_clock;
+		return ret;
 	}
 
 	exynos_dp_handle_edid(dp);
@@ -926,7 +926,7 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev)
 				dp->video_info->link_rate);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to do link train\n");
-		goto err_clock;
+		return ret;
 	}
 
 	exynos_dp_enable_scramble(dp, 1);
@@ -940,17 +940,12 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev)
 	ret = exynos_dp_config_video(dp, dp->video_info);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to config video\n");
-		goto err_clock;
+		return ret;
 	}
 
 	platform_set_drvdata(pdev, dp);
 
 	return 0;
-
-err_clock:
-	clk_put(dp->clock);
-
-	return ret;
 }
 
 static int __devexit exynos_dp_remove(struct platform_device *pdev)
@@ -961,8 +956,7 @@ static int __devexit exynos_dp_remove(struct platform_device *pdev)
 	if (pdata && pdata->phy_exit)
 		pdata->phy_exit();
 
-	clk_disable(dp->clock);
-	clk_put(dp->clock);
+	clk_disable_unprepare(dp->clock);
 
 	return 0;
 }
@@ -977,7 +971,7 @@ static int exynos_dp_suspend(struct device *dev)
 	if (pdata && pdata->phy_exit)
 		pdata->phy_exit();
 
-	clk_disable(dp->clock);
+	clk_disable_unprepare(dp->clock);
 
 	return 0;
 }
@@ -991,7 +985,7 @@ static int exynos_dp_resume(struct device *dev)
 	if (pdata && pdata->phy_init)
 		pdata->phy_init();
 
-	clk_enable(dp->clock);
+	clk_prepare_enable(dp->clock);
 
 	exynos_dp_init_dp(dp);
 
diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h
index 8526e548c38..57b8a6531c0 100644
--- a/drivers/video/exynos/exynos_dp_core.h
+++ b/drivers/video/exynos/exynos_dp_core.h
@@ -43,7 +43,7 @@ void exynos_dp_init_interrupt(struct exynos_dp_device *dp);
 void exynos_dp_reset(struct exynos_dp_device *dp);
 void exynos_dp_swreset(struct exynos_dp_device *dp);
 void exynos_dp_config_interrupt(struct exynos_dp_device *dp);
-u32 exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp);
+enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp);
 void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable);
 void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp,
 				enum analog_power_block block,
@@ -105,7 +105,7 @@ u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp);
 u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp);
 u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp);
 void exynos_dp_reset_macro(struct exynos_dp_device *dp);
-int exynos_dp_init_video(struct exynos_dp_device *dp);
+void exynos_dp_init_video(struct exynos_dp_device *dp);
 
 void exynos_dp_set_video_color_format(struct exynos_dp_device *dp,
 				u32 color_depth,
@@ -144,7 +144,7 @@ void exynos_dp_disable_scrambling(struct exynos_dp_device *dp);
 #define DPCD_ADDR_TRAINING_PATTERN_SET		0x0102
 #define DPCD_ADDR_TRAINING_LANE0_SET		0x0103
 #define DPCD_ADDR_LANE0_1_STATUS		0x0202
-#define DPCD_ADDR_LANE_ALIGN__STATUS_UPDATED	0x0204
+#define DPCD_ADDR_LANE_ALIGN_STATUS_UPDATED	0x0204
 #define DPCD_ADDR_ADJUST_REQUEST_LANE0_1	0x0206
 #define DPCD_ADDR_ADJUST_REQUEST_LANE2_3	0x0207
 #define DPCD_ADDR_TEST_REQUEST			0x0218
diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c
index 2db5b9aa250..3f5ca8a0d5e 100644
--- a/drivers/video/exynos/exynos_dp_reg.c
+++ b/drivers/video/exynos/exynos_dp_reg.c
@@ -77,7 +77,7 @@ void exynos_dp_init_analog_param(struct exynos_dp_device *dp)
 	writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_3);
 
 	reg = PD_RING_OSC | AUX_TERMINAL_CTRL_50_OHM |
-		TX_CUR1_2X | TX_CUR_8_MA;
+		TX_CUR1_2X | TX_CUR_16_MA;
 	writel(reg, dp->reg_base + EXYNOS_DP_PLL_FILTER_CTL_1);
 
 	reg = CH3_AMP_400_MV | CH2_AMP_400_MV |
@@ -148,9 +148,6 @@ void exynos_dp_reset(struct exynos_dp_device *dp)
 	writel(0x2, dp->reg_base + EXYNOS_DP_M_AUD_GEN_FILTER_TH);
 
 	writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-
-	exynos_dp_init_analog_param(dp);
-	exynos_dp_init_interrupt(dp);
 }
 
 void exynos_dp_swreset(struct exynos_dp_device *dp)
@@ -179,7 +176,7 @@ void exynos_dp_config_interrupt(struct exynos_dp_device *dp)
 	writel(reg, dp->reg_base + EXYNOS_DP_INT_STA_MASK);
 }
 
-u32 exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp)
+enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp)
 {
 	u32 reg;
 
@@ -401,6 +398,7 @@ int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp)
 {
 	int reg;
 	int retval = 0;
+	int timeout_loop = 0;
 
 	/* Enable AUX CH operation */
 	reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
@@ -409,8 +407,15 @@ int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp)
 
 	/* Is AUX CH command reply received? */
 	reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
-	while (!(reg & RPLY_RECEIV))
+	while (!(reg & RPLY_RECEIV)) {
+		timeout_loop++;
+		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
+			dev_err(dp->dev, "AUX CH command reply failed!\n");
+			return -ETIMEDOUT;
+		}
 		reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
+		usleep_range(10, 11);
+	}
 
 	/* Clear interrupt source for AUX CH command reply */
 	writel(RPLY_RECEIV, dp->reg_base + EXYNOS_DP_INT_STA);
@@ -471,7 +476,8 @@ int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
 		if (retval == 0)
 			break;
 		else
-			dev_err(dp->dev, "Aux Transaction fail!\n");
+			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+				__func__);
 	}
 
 	return retval;
@@ -511,7 +517,8 @@ int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
 		if (retval == 0)
 			break;
 		else
-			dev_err(dp->dev, "Aux Transaction fail!\n");
+			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+				__func__);
 	}
 
 	/* Read data buffer */
@@ -575,7 +582,8 @@ int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
 			if (retval == 0)
 				break;
 			else
-				dev_err(dp->dev, "Aux Transaction fail!\n");
+				dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+					__func__);
 		}
 
 		start_offset += cur_data_count;
@@ -632,7 +640,8 @@ int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
 			if (retval == 0)
 				break;
 			else
-				dev_err(dp->dev, "Aux Transaction fail!\n");
+				dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+					__func__);
 		}
 
 		for (cur_data_idx = 0; cur_data_idx < cur_data_count;
@@ -677,7 +686,7 @@ int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
 	/* Start AUX transaction */
 	retval = exynos_dp_start_aux_transaction(dp);
 	if (retval != 0)
-		dev_err(dp->dev, "Aux Transaction fail!\n");
+		dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
 
 	return retval;
 }
@@ -717,7 +726,8 @@ int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
 		if (retval == 0)
 			break;
 		else
-			dev_err(dp->dev, "Aux Transaction fail!\n");
+			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+				__func__);
 	}
 
 	/* Read data */
@@ -777,7 +787,9 @@ int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
 				if (retval == 0)
 					break;
 				else
-					dev_err(dp->dev, "Aux Transaction fail!\n");
+					dev_dbg(dp->dev,
+						"%s: Aux Transaction fail!\n",
+						__func__);
 			}
 			/* Check if Rx sends defer */
 			reg = readl(dp->reg_base + EXYNOS_DP_AUX_RX_COMM);
@@ -883,7 +895,9 @@ void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level)
 {
 	u32 reg;
 
-	reg = level << PRE_EMPHASIS_SET_SHIFT;
+	reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
+	reg &= ~PRE_EMPHASIS_SET_MASK;
+	reg |= level << PRE_EMPHASIS_SET_SHIFT;
 	writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
 }
 
@@ -891,7 +905,9 @@ void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level)
 {
 	u32 reg;
 
-	reg = level << PRE_EMPHASIS_SET_SHIFT;
+	reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
+	reg &= ~PRE_EMPHASIS_SET_MASK;
+	reg |= level << PRE_EMPHASIS_SET_SHIFT;
 	writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
 }
 
@@ -899,7 +915,9 @@ void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level)
 {
 	u32 reg;
 
-	reg = level << PRE_EMPHASIS_SET_SHIFT;
+	reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
+	reg &= ~PRE_EMPHASIS_SET_MASK;
+	reg |= level << PRE_EMPHASIS_SET_SHIFT;
 	writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
 }
 
@@ -907,7 +925,9 @@ void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level)
 {
 	u32 reg;
 
-	reg = level << PRE_EMPHASIS_SET_SHIFT;
+	reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
+	reg &= ~PRE_EMPHASIS_SET_MASK;
+	reg |= level << PRE_EMPHASIS_SET_SHIFT;
 	writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
 }
 
@@ -994,7 +1014,7 @@ void exynos_dp_reset_macro(struct exynos_dp_device *dp)
 	writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
 }
 
-int exynos_dp_init_video(struct exynos_dp_device *dp)
+void exynos_dp_init_video(struct exynos_dp_device *dp)
 {
 	u32 reg;
 
@@ -1012,8 +1032,6 @@ int exynos_dp_init_video(struct exynos_dp_device *dp)
 
 	reg = VID_HRES_TH(2) | VID_VRES_TH(0);
 	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_8);
-
-	return 0;
 }
 
 void exynos_dp_set_video_color_format(struct exynos_dp_device *dp,
diff --git a/drivers/video/exynos/exynos_dp_reg.h b/drivers/video/exynos/exynos_dp_reg.h
index 125b27cd57a..1f2f014cfe8 100644
--- a/drivers/video/exynos/exynos_dp_reg.h
+++ b/drivers/video/exynos/exynos_dp_reg.h
@@ -187,7 +187,7 @@
 #define PD_RING_OSC				(0x1 << 6)
 #define AUX_TERMINAL_CTRL_50_OHM		(0x2 << 4)
 #define TX_CUR1_2X				(0x1 << 2)
-#define TX_CUR_8_MA				(0x2 << 0)
+#define TX_CUR_16_MA				(0x3 << 0)
 
 /* EXYNOS_DP_TX_AMP_TUNING_CTL */
 #define CH3_AMP_400_MV				(0x0 << 24)
@@ -285,6 +285,7 @@
 #define SW_TRAINING_PATTERN_SET_NORMAL		(0x0 << 0)
 
 /* EXYNOS_DP_LN0_LINK_TRAINING_CTL */
+#define PRE_EMPHASIS_SET_MASK			(0x3 << 3)
 #define PRE_EMPHASIS_SET_SHIFT			(3)
 
 /* EXYNOS_DP_DEBUG_CTL */
diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c
index 663c308d0e7..07d70a3a628 100644
--- a/drivers/video/exynos/exynos_mipi_dsi.c
+++ b/drivers/video/exynos/exynos_mipi_dsi.c
@@ -205,7 +205,8 @@ int exynos_mipi_dsi_register_lcd_device(struct mipi_dsim_lcd_device *lcd_dev)
 	return 0;
 }
 
-struct mipi_dsim_ddi *exynos_mipi_dsi_find_lcd_device(struct mipi_dsim_lcd_driver *lcd_drv)
+static struct mipi_dsim_ddi *exynos_mipi_dsi_find_lcd_device(
+					struct mipi_dsim_lcd_driver *lcd_drv)
 {
 	struct mipi_dsim_ddi *dsim_ddi, *next;
 	struct mipi_dsim_lcd_device *lcd_dev;
@@ -265,7 +266,8 @@ int exynos_mipi_dsi_register_lcd_driver(struct mipi_dsim_lcd_driver *lcd_drv)
 
 }
 
-struct mipi_dsim_ddi *exynos_mipi_dsi_bind_lcd_ddi(struct mipi_dsim_device *dsim,
+static struct mipi_dsim_ddi *exynos_mipi_dsi_bind_lcd_ddi(
+						struct mipi_dsim_device *dsim,
 						const char *name)
 {
 	struct mipi_dsim_ddi *dsim_ddi, *next;
@@ -373,6 +375,7 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev)
 	dsim->clock = clk_get(&pdev->dev, "dsim0");
 	if (IS_ERR(dsim->clock)) {
 		dev_err(&pdev->dev, "failed to get dsim clock source\n");
+		ret = -ENODEV;
 		goto err_clock_get;
 	}
 
@@ -381,6 +384,7 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		dev_err(&pdev->dev, "failed to get io memory region\n");
+		ret = -ENODEV;
 		goto err_platform_get;
 	}
 
@@ -405,6 +409,7 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev)
 	dsim_ddi = exynos_mipi_dsi_bind_lcd_ddi(dsim, dsim_pd->lcd_panel_name);
 	if (!dsim_ddi) {
 		dev_err(&pdev->dev, "mipi_dsim_ddi object not found.\n");
+		ret = -EINVAL;
 		goto err_bind;
 	}
 
diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c b/drivers/video/exynos/exynos_mipi_dsi_common.c
index 47b533a183b..3cd29a4fc10 100644
--- a/drivers/video/exynos/exynos_mipi_dsi_common.c
+++ b/drivers/video/exynos/exynos_mipi_dsi_common.c
@@ -79,11 +79,6 @@ irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id)
 	struct mipi_dsim_device *dsim = dev_id;
 	unsigned int intsrc, intmsk;
 
-	if (dsim == NULL) {
-		dev_err(dsim->dev, "%s: wrong parameter\n", __func__);
-		return IRQ_NONE;
-	}
-
 	intsrc = exynos_mipi_dsi_read_interrupt(dsim);
 	intmsk = exynos_mipi_dsi_read_interrupt_mask(dsim);
 	intmsk = ~intmsk & intsrc;
@@ -288,9 +283,6 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
 		mutex_unlock(&dsim->lock);
 		return -EINVAL;
 	}
-
-	mutex_unlock(&dsim->lock);
-	return 0;
 }
 
 static unsigned int exynos_mipi_dsi_long_data_rd(struct mipi_dsim_device *dsim,
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 458c00664ad..ede9e55413f 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -1501,8 +1501,8 @@ static int __devinit fsl_diu_probe(struct platform_device *pdev)
 	unsigned int i;
 	int ret;
 
-	data = dma_alloc_coherent(&pdev->dev, sizeof(struct fsl_diu_data),
-				  &dma_addr, GFP_DMA | __GFP_ZERO);
+	data = dmam_alloc_coherent(&pdev->dev, sizeof(struct fsl_diu_data),
+				   &dma_addr, GFP_DMA | __GFP_ZERO);
 	if (!data)
 		return -ENOMEM;
 	data->dma_addr = dma_addr;
@@ -1628,9 +1628,6 @@ error:
 
 	iounmap(data->diu_reg);
 
-	dma_free_coherent(&pdev->dev, sizeof(struct fsl_diu_data), data,
-			  data->dma_addr);
-
 	return ret;
 }
 
@@ -1648,9 +1645,6 @@ static int fsl_diu_remove(struct platform_device *pdev)
 
 	iounmap(data->diu_reg);
 
-	dma_free_coherent(&pdev->dev, sizeof(struct fsl_diu_data), data,
-			  data->dma_addr);
-
 	return 0;
 }
 
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index 05e2a8a99d8..3dad31975db 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -20,6 +20,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/io.h>
 
 #ifdef CONFIG_X86
 #include <asm/mtrr.h>
@@ -28,7 +29,6 @@
 #include <asm/addrspace.h>
 #endif
 #include <asm/byteorder.h>
-#include <asm/io.h>
 #include <asm/tlbflush.h>
 
 #include <video/gbe.h>
@@ -1156,7 +1156,8 @@ static int __devinit gbefb_probe(struct platform_device *p_dev)
 		goto out_release_framebuffer;
 	}
 
-	gbe = (struct sgi_gbe *) ioremap(GBE_BASE, sizeof(struct sgi_gbe));
+	gbe = (struct sgi_gbe *) devm_ioremap(&p_dev->dev, GBE_BASE,
+					      sizeof(struct sgi_gbe));
 	if (!gbe) {
 		printk(KERN_ERR "gbefb: couldn't map mmio region\n");
 		ret = -ENXIO;
@@ -1170,12 +1171,13 @@ static int __devinit gbefb_probe(struct platform_device *p_dev)
 	if (!gbe_tiles.cpu) {
 		printk(KERN_ERR "gbefb: couldn't allocate tiles table\n");
 		ret = -ENOMEM;
-		goto out_unmap;
+		goto out_release_mem_region;
 	}
 
 	if (gbe_mem_phys) {
 		/* memory was allocated at boot time */
-		gbe_mem = ioremap_nocache(gbe_mem_phys, gbe_mem_size);
+		gbe_mem = devm_ioremap_nocache(&p_dev->dev, gbe_mem_phys,
+					       gbe_mem_size);
 		if (!gbe_mem) {
 			printk(KERN_ERR "gbefb: couldn't map framebuffer\n");
 			ret = -ENOMEM;
@@ -1241,13 +1243,9 @@ static int __devinit gbefb_probe(struct platform_device *p_dev)
 out_gbe_unmap:
 	if (gbe_dma_addr)
 		dma_free_coherent(NULL, gbe_mem_size, gbe_mem, gbe_mem_phys);
-	else
-		iounmap(gbe_mem);
 out_tiles_free:
 	dma_free_coherent(NULL, GBE_TLB_SIZE * sizeof(uint16_t),
 			  (void *)gbe_tiles.cpu, gbe_tiles.dma);
-out_unmap:
-	iounmap(gbe);
 out_release_mem_region:
 	release_mem_region(GBE_BASE, sizeof(struct sgi_gbe));
 out_release_framebuffer:
@@ -1264,12 +1262,9 @@ static int __devexit gbefb_remove(struct platform_device* p_dev)
 	gbe_turn_off();
 	if (gbe_dma_addr)
 		dma_free_coherent(NULL, gbe_mem_size, gbe_mem, gbe_mem_phys);
-	else
-		iounmap(gbe_mem);
 	dma_free_coherent(NULL, GBE_TLB_SIZE * sizeof(uint16_t),
 			  (void *)gbe_tiles.cpu, gbe_tiles.dma);
 	release_mem_region(GBE_BASE, sizeof(struct sgi_gbe));
-	iounmap(gbe);
 	gbefb_remove_sysfs(&p_dev->dev);
 	framebuffer_release(info);
 
diff --git a/drivers/video/hpfb.c b/drivers/video/hpfb.c
index ebf8495ff19..7324865f965 100644
--- a/drivers/video/hpfb.c
+++ b/drivers/video/hpfb.c
@@ -210,6 +210,7 @@ static int __devinit hpfb_init_one(unsigned long phys_base,
 				   unsigned long virt_base)
 {
 	unsigned long fboff, fb_width, fb_height, fb_start;
+	int ret;
 
 	fb_regs = virt_base;
 	fboff = (in_8(fb_regs + HPFB_FBOMSB) << 8) | in_8(fb_regs + HPFB_FBOLSB);
@@ -290,19 +291,29 @@ static int __devinit hpfb_init_one(unsigned long phys_base,
 	fb_info.var   = hpfb_defined;
 	fb_info.screen_base = (char *)fb_start;
 
-	fb_alloc_cmap(&fb_info.cmap, 1 << hpfb_defined.bits_per_pixel, 0);
+	ret = fb_alloc_cmap(&fb_info.cmap, 1 << hpfb_defined.bits_per_pixel, 0);
+	if (ret < 0)
+		goto unmap_screen_base;
 
-	if (register_framebuffer(&fb_info) < 0) {
-		fb_dealloc_cmap(&fb_info.cmap);
-		iounmap(fb_info.screen_base);
-		fb_info.screen_base = NULL;
-		return 1;
-	}
+	ret = register_framebuffer(&fb_info);
+	if (ret < 0)
+		goto dealloc_cmap;
 
 	printk(KERN_INFO "fb%d: %s frame buffer device\n",
 	       fb_info.node, fb_info.fix.id);
 
 	return 0;
+
+dealloc_cmap:
+	fb_dealloc_cmap(&fb_info.cmap);
+
+unmap_screen_base:
+	if (fb_info.screen_base) {
+		iounmap(fb_info.screen_base);
+		fb_info.screen_base = NULL;
+	}
+
+	return ret;
 }
 
 /* 
@@ -345,6 +356,9 @@ static void __devexit hpfb_remove_one(struct dio_dev *d)
 	if (d->scode >= DIOII_SCBASE)
 		iounmap((void *)fb_regs);
 	release_mem_region(d->resource.start, resource_size(&d->resource));
+	fb_dealloc_cmap(&fb_info.cmap);
+	if (fb_info.screen_base)
+		iounmap(fb_info.screen_base);
 }
 
 static struct dio_device_id hpfb_dio_tbl[] = {
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 53ffdfc82a7..cf2688de083 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -803,6 +803,7 @@ static int __init imxfb_probe(struct platform_device *pdev)
 	fbi->regs = ioremap(res->start, resource_size(res));
 	if (fbi->regs == NULL) {
 		dev_err(&pdev->dev, "Cannot map frame buffer registers\n");
+		ret = -ENOMEM;
 		goto failed_ioremap;
 	}
 
diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c
index 3c63fc24bb1..4d25711b998 100644
--- a/drivers/video/jz4740_fb.c
+++ b/drivers/video/jz4740_fb.c
@@ -632,23 +632,10 @@ static int __devinit jzfb_probe(struct platform_device *pdev)
 		return -ENXIO;
 	}
 
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem) {
-		dev_err(&pdev->dev, "Failed to get register memory resource\n");
-		return -ENXIO;
-	}
-
-	mem = request_mem_region(mem->start, resource_size(mem), pdev->name);
-	if (!mem) {
-		dev_err(&pdev->dev, "Failed to request register memory region\n");
-		return -EBUSY;
-	}
-
 	fb = framebuffer_alloc(sizeof(struct jzfb), &pdev->dev);
 	if (!fb) {
 		dev_err(&pdev->dev, "Failed to allocate framebuffer device\n");
-		ret = -ENOMEM;
-		goto err_release_mem_region;
+		return -ENOMEM;
 	}
 
 	fb->fbops = &jzfb_ops;
@@ -657,27 +644,26 @@ static int __devinit jzfb_probe(struct platform_device *pdev)
 	jzfb = fb->par;
 	jzfb->pdev = pdev;
 	jzfb->pdata = pdata;
-	jzfb->mem = mem;
 
-	jzfb->ldclk = clk_get(&pdev->dev, "lcd");
+	jzfb->ldclk = devm_clk_get(&pdev->dev, "lcd");
 	if (IS_ERR(jzfb->ldclk)) {
 		ret = PTR_ERR(jzfb->ldclk);
 		dev_err(&pdev->dev, "Failed to get lcd clock: %d\n", ret);
 		goto err_framebuffer_release;
 	}
 
-	jzfb->lpclk = clk_get(&pdev->dev, "lcd_pclk");
+	jzfb->lpclk = devm_clk_get(&pdev->dev, "lcd_pclk");
 	if (IS_ERR(jzfb->lpclk)) {
 		ret = PTR_ERR(jzfb->lpclk);
 		dev_err(&pdev->dev, "Failed to get lcd pixel clock: %d\n", ret);
-		goto err_put_ldclk;
+		goto err_framebuffer_release;
 	}
 
-	jzfb->base = ioremap(mem->start, resource_size(mem));
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	jzfb->base = devm_request_and_ioremap(&pdev->dev, mem);
 	if (!jzfb->base) {
-		dev_err(&pdev->dev, "Failed to ioremap register memory region\n");
 		ret = -EBUSY;
-		goto err_put_lpclk;
+		goto err_framebuffer_release;
 	}
 
 	platform_set_drvdata(pdev, jzfb);
@@ -693,7 +679,7 @@ static int __devinit jzfb_probe(struct platform_device *pdev)
 	ret = jzfb_alloc_devmem(jzfb);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to allocate video memory\n");
-		goto err_iounmap;
+		goto err_framebuffer_release;
 	}
 
 	fb->fix = jzfb_fix;
@@ -734,16 +720,8 @@ err_free_devmem:
 
 	fb_dealloc_cmap(&fb->cmap);
 	jzfb_free_devmem(jzfb);
-err_iounmap:
-	iounmap(jzfb->base);
-err_put_lpclk:
-	clk_put(jzfb->lpclk);
-err_put_ldclk:
-	clk_put(jzfb->ldclk);
 err_framebuffer_release:
 	framebuffer_release(fb);
-err_release_mem_region:
-	release_mem_region(mem->start, resource_size(mem));
 	return ret;
 }
 
@@ -756,17 +734,11 @@ static int __devexit jzfb_remove(struct platform_device *pdev)
 	jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb));
 	jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb));
 
-	iounmap(jzfb->base);
-	release_mem_region(jzfb->mem->start, resource_size(jzfb->mem));
-
 	fb_dealloc_cmap(&jzfb->fb->cmap);
 	jzfb_free_devmem(jzfb);
 
 	platform_set_drvdata(pdev, NULL);
 
-	clk_put(jzfb->lpclk);
-	clk_put(jzfb->ldclk);
-
 	framebuffer_release(jzfb->fb);
 
 	return 0;
diff --git a/drivers/video/mb862xx/mb862xxfbdrv.c b/drivers/video/mb862xx/mb862xxfbdrv.c
index 57d940be5f3..d68e332aa21 100644
--- a/drivers/video/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/mb862xx/mb862xxfbdrv.c
@@ -1052,12 +1052,14 @@ static int __devinit mb862xx_pci_probe(struct pci_dev *pdev,
 		break;
 	default:
 		/* should never occur */
+		ret = -EIO;
 		goto rel_reg;
 	}
 
 	par->fb_base = ioremap(par->fb_base_phys, par->mapped_vram);
 	if (par->fb_base == NULL) {
 		dev_err(dev, "Cannot map framebuffer\n");
+		ret = -EIO;
 		goto rel_reg;
 	}
 
@@ -1073,11 +1075,13 @@ static int __devinit mb862xx_pci_probe(struct pci_dev *pdev,
 	dev_dbg(dev, "mmio phys 0x%llx 0x%lx\n",
 		(unsigned long long)par->mmio_base_phys, (ulong)par->mmio_len);
 
-	if (mb862xx_pci_gdc_init(par))
+	ret = mb862xx_pci_gdc_init(par);
+	if (ret)
 		goto io_unmap;
 
-	if (request_irq(par->irq, mb862xx_intr, IRQF_SHARED,
-			DRV_NAME, (void *)par)) {
+	ret = request_irq(par->irq, mb862xx_intr, IRQF_SHARED,
+			  DRV_NAME, (void *)par);
+	if (ret) {
 		dev_err(dev, "Cannot request irq\n");
 		goto io_unmap;
 	}
diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c
index 85e4f44bfa6..6563e50413c 100644
--- a/drivers/video/mbx/mbxfb.c
+++ b/drivers/video/mbx/mbxfb.c
@@ -26,8 +26,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/uaccess.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include <video/mbxfb.h>
 
@@ -939,8 +938,9 @@ static int __devinit mbxfb_probe(struct platform_device *dev)
 	}
 	mfbi->reg_phys_addr = mfbi->reg_res->start;
 
-	mfbi->reg_virt_addr = ioremap_nocache(mfbi->reg_phys_addr,
-					      res_size(mfbi->reg_req));
+	mfbi->reg_virt_addr = devm_ioremap_nocache(&dev->dev,
+						   mfbi->reg_phys_addr,
+						   res_size(mfbi->reg_req));
 	if (!mfbi->reg_virt_addr) {
 		dev_err(&dev->dev, "failed to ioremap Marathon registers\n");
 		ret = -EINVAL;
@@ -948,12 +948,12 @@ static int __devinit mbxfb_probe(struct platform_device *dev)
 	}
 	virt_base_2700 = mfbi->reg_virt_addr;
 
-	mfbi->fb_virt_addr = ioremap_nocache(mfbi->fb_phys_addr,
-					     res_size(mfbi->fb_req));
+	mfbi->fb_virt_addr = devm_ioremap_nocache(&dev->dev, mfbi->fb_phys_addr,
+						  res_size(mfbi->fb_req));
 	if (!mfbi->fb_virt_addr) {
 		dev_err(&dev->dev, "failed to ioremap frame buffer\n");
 		ret = -EINVAL;
-		goto err4;
+		goto err3;
 	}
 
 	fbi->screen_base = (char __iomem *)(mfbi->fb_virt_addr + 0x60000);
@@ -971,7 +971,7 @@ static int __devinit mbxfb_probe(struct platform_device *dev)
 	if (ret < 0) {
 		dev_err(&dev->dev, "fb_alloc_cmap failed\n");
 		ret = -EINVAL;
-		goto err5;
+		goto err3;
 	}
 
 	platform_set_drvdata(dev, fbi);
@@ -996,10 +996,6 @@ static int __devinit mbxfb_probe(struct platform_device *dev)
 
 err6:
 	fb_dealloc_cmap(&fbi->cmap);
-err5:
-	iounmap(mfbi->fb_virt_addr);
-err4:
-	iounmap(mfbi->reg_virt_addr);
 err3:
 	release_mem_region(mfbi->reg_res->start, res_size(mfbi->reg_res));
 err2:
@@ -1026,10 +1022,7 @@ static int __devexit mbxfb_remove(struct platform_device *dev)
 			if (mfbi->platform_remove)
 				mfbi->platform_remove(fbi);
 
-			if (mfbi->fb_virt_addr)
-				iounmap(mfbi->fb_virt_addr);
-			if (mfbi->reg_virt_addr)
-				iounmap(mfbi->reg_virt_addr);
+
 			if (mfbi->reg_req)
 				release_mem_region(mfbi->reg_req->start,
 						   res_size(mfbi->reg_req));
diff --git a/drivers/video/msm/mddi.c b/drivers/video/msm/mddi.c
index bf73f048006..35ac9e8bee6 100644
--- a/drivers/video/msm/mddi.c
+++ b/drivers/video/msm/mddi.c
@@ -26,9 +26,6 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/sched.h>
-#include <mach/msm_iomap.h>
-#include <mach/irqs.h>
-#include <mach/board.h>
 #include <linux/platform_data/video-msm_fb.h>
 #include "mddi_hw.h"
 
diff --git a/drivers/video/msm/mddi_client_nt35399.c b/drivers/video/msm/mddi_client_nt35399.c
index d7a5bf84fb2..f96df32e550 100644
--- a/drivers/video/msm/mddi_client_nt35399.c
+++ b/drivers/video/msm/mddi_client_nt35399.c
@@ -189,8 +189,9 @@ static int mddi_nt35399_probe(struct platform_device *pdev)
 
 	int ret;
 
-	struct panel_info *panel = kzalloc(sizeof(struct panel_info),
-					   GFP_KERNEL);
+	struct panel_info *panel = devm_kzalloc(&pdev->dev,
+						sizeof(struct panel_info),
+						GFP_KERNEL);
 
 	printk(KERN_DEBUG "%s: enter.\n", __func__);
 
@@ -233,7 +234,6 @@ static int mddi_nt35399_remove(struct platform_device *pdev)
 	struct panel_info *panel = platform_get_drvdata(pdev);
 
 	setup_vsync(panel, 0);
-	kfree(panel);
 	return 0;
 }
 
diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c
index 2e0f3bab611..f2566c19e71 100644
--- a/drivers/video/msm/mdp.c
+++ b/drivers/video/msm/mdp.c
@@ -25,7 +25,6 @@
 #include <linux/major.h>
 #include <linux/slab.h>
 
-#include <mach/msm_iomap.h>
 #include <linux/platform_data/video-msm_fb.h>
 #include <linux/platform_device.h>
 #include <linux/export.h>
diff --git a/drivers/video/msm/mdp_hw.h b/drivers/video/msm/mdp_hw.h
index a0bacf581b3..35848d74100 100644
--- a/drivers/video/msm/mdp_hw.h
+++ b/drivers/video/msm/mdp_hw.h
@@ -15,7 +15,6 @@
 #ifndef _MDP_HW_H_
 #define _MDP_HW_H_
 
-#include <mach/msm_iomap.h>
 #include <linux/platform_data/video-msm_fb.h>
 
 struct mdp_info {
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index d7381088a18..ce1d452464e 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -1568,7 +1568,8 @@ static int mx3fb_remove(struct platform_device *dev)
 
 static struct platform_driver mx3fb_driver = {
 	.driver = {
-		   .name = MX3FB_NAME,
+		.name = MX3FB_NAME,
+		.owner = THIS_MODULE,
 	},
 	.probe = mx3fb_probe,
 	.remove = mx3fb_remove,
diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
index 93387555337..475dfee82c4 100644
--- a/drivers/video/nuc900fb.c
+++ b/drivers/video/nuc900fb.c
@@ -387,7 +387,7 @@ static int nuc900fb_init_registers(struct fb_info *info)
  *    The buffer should be a non-cached, non-buffered, memory region
  *    to allow palette and pixel writes without flushing the cache.
  */
-static int __init nuc900fb_map_video_memory(struct fb_info *info)
+static int __devinit nuc900fb_map_video_memory(struct fb_info *info)
 {
 	struct nuc900fb_info *fbi = info->par;
 	dma_addr_t map_dma;
diff --git a/drivers/video/omap/hwa742.c b/drivers/video/omap/hwa742.c
index 9f1d23c319c..f349ee6f0ce 100644
--- a/drivers/video/omap/hwa742.c
+++ b/drivers/video/omap/hwa742.c
@@ -27,7 +27,6 @@
 #include <linux/clk.h>
 #include <linux/interrupt.h>
 
-#include <plat/dma.h>
 #include "omapfb.h"
 
 #define HWA742_REV_CODE_REG       0x0
diff --git a/drivers/video/omap/lcd_palmte.c b/drivers/video/omap/lcd_palmte.c
index 88c31eb0cd6..ff4fb624b90 100644
--- a/drivers/video/omap/lcd_palmte.c
+++ b/drivers/video/omap/lcd_palmte.c
@@ -23,7 +23,6 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 
-#include <plat/fpga.h>
 #include "omapfb.h"
 
 static int palmte_panel_init(struct lcd_panel *panel,
diff --git a/drivers/video/omap/omapfb_main.c b/drivers/video/omap/omapfb_main.c
index f54b463709e..4351c438b76 100644
--- a/drivers/video/omap/omapfb_main.c
+++ b/drivers/video/omap/omapfb_main.c
@@ -131,15 +131,6 @@ static void omapfb_rqueue_unlock(struct omapfb_device *fbdev)
  * LCD controller and LCD DMA
  * ---------------------------------------------------------------------------
  */
-/* Lookup table to map elem size to elem type. */
-static const int dma_elem_type[] = {
-	0,
-	OMAP_DMA_DATA_TYPE_S8,
-	OMAP_DMA_DATA_TYPE_S16,
-	0,
-	OMAP_DMA_DATA_TYPE_S32,
-};
-
 /*
  * Allocate resources needed for LCD controller and LCD DMA operations. Video
  * memory is allocated from system memory according to the virtual display
diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
index eaeed4340e0..c835aa70f96 100644
--- a/drivers/video/omap2/displays/panel-acx565akm.c
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -600,6 +600,9 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
 
 	mutex_lock(&md->mutex);
 
+	omapdss_sdi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_sdi_set_datapairs(dssdev, dssdev->phy.sdi.datapairs);
+
 	r = omapdss_sdi_display_enable(dssdev);
 	if (r) {
 		pr_err("%s sdi enable failed\n", __func__);
@@ -731,18 +734,9 @@ static int acx_panel_resume(struct omap_dss_device *dssdev)
 static void acx_panel_set_timings(struct omap_dss_device *dssdev,
 		struct omap_video_timings *timings)
 {
-	int r;
-
-	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
-		omapdss_sdi_display_disable(dssdev);
+	omapdss_sdi_set_timings(dssdev, timings);
 
 	dssdev->panel.timings = *timings;
-
-	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
-		r = omapdss_sdi_display_enable(dssdev);
-		if (r)
-			dev_err(&dssdev->dev, "%s enable failed\n", __func__);
-	}
 }
 
 static int acx_panel_check_timings(struct omap_dss_device *dssdev,
diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c
index bc5af2500eb..88295c52681 100644
--- a/drivers/video/omap2/displays/panel-generic-dpi.c
+++ b/drivers/video/omap2/displays/panel-generic-dpi.c
@@ -545,6 +545,8 @@ struct panel_drv_data {
 	struct omap_dss_device *dssdev;
 
 	struct panel_config *panel_config;
+
+	struct mutex lock;
 };
 
 static inline struct panel_generic_dpi_data
@@ -563,6 +565,9 @@ static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev)
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
 
+	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
+
 	r = omapdss_dpi_display_enable(dssdev);
 	if (r)
 		goto err0;
@@ -634,6 +639,8 @@ static int generic_dpi_panel_probe(struct omap_dss_device *dssdev)
 	drv_data->dssdev = dssdev;
 	drv_data->panel_config = panel_config;
 
+	mutex_init(&drv_data->lock);
+
 	dev_set_drvdata(&dssdev->dev, drv_data);
 
 	return 0;
@@ -652,56 +659,108 @@ static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev)
 
 static int generic_dpi_panel_enable(struct omap_dss_device *dssdev)
 {
-	int r = 0;
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&drv_data->lock);
 
 	r = generic_dpi_panel_power_on(dssdev);
 	if (r)
-		return r;
+		goto err;
 
 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+err:
+	mutex_unlock(&drv_data->lock);
 
-	return 0;
+	return r;
 }
 
 static void generic_dpi_panel_disable(struct omap_dss_device *dssdev)
 {
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&drv_data->lock);
+
 	generic_dpi_panel_power_off(dssdev);
 
 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+	mutex_unlock(&drv_data->lock);
 }
 
 static int generic_dpi_panel_suspend(struct omap_dss_device *dssdev)
 {
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&drv_data->lock);
+
 	generic_dpi_panel_power_off(dssdev);
 
 	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
 
+	mutex_unlock(&drv_data->lock);
+
 	return 0;
 }
 
 static int generic_dpi_panel_resume(struct omap_dss_device *dssdev)
 {
-	int r = 0;
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&drv_data->lock);
 
 	r = generic_dpi_panel_power_on(dssdev);
 	if (r)
-		return r;
+		goto err;
 
 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
 
-	return 0;
+err:
+	mutex_unlock(&drv_data->lock);
+
+	return r;
 }
 
 static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev,
 		struct omap_video_timings *timings)
 {
-	dpi_set_timings(dssdev, timings);
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&drv_data->lock);
+
+	omapdss_dpi_set_timings(dssdev, timings);
+
+	dssdev->panel.timings = *timings;
+
+	mutex_unlock(&drv_data->lock);
+}
+
+static void generic_dpi_panel_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+
+	mutex_lock(&drv_data->lock);
+
+	*timings = dssdev->panel.timings;
+
+	mutex_unlock(&drv_data->lock);
 }
 
 static int generic_dpi_panel_check_timings(struct omap_dss_device *dssdev,
 		struct omap_video_timings *timings)
 {
-	return dpi_check_timings(dssdev, timings);
+	struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
+	int r;
+
+	mutex_lock(&drv_data->lock);
+
+	r = dpi_check_timings(dssdev, timings);
+
+	mutex_unlock(&drv_data->lock);
+
+	return r;
 }
 
 static struct omap_dss_driver dpi_driver = {
@@ -714,6 +773,7 @@ static struct omap_dss_driver dpi_driver = {
 	.resume		= generic_dpi_panel_resume,
 
 	.set_timings	= generic_dpi_panel_set_timings,
+	.get_timings	= generic_dpi_panel_get_timings,
 	.check_timings	= generic_dpi_panel_check_timings,
 
 	.driver         = {
diff --git a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
index 80280779884..90c1cabf244 100644
--- a/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
+++ b/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
@@ -55,6 +55,9 @@ static int lb035q02_panel_power_on(struct omap_dss_device *dssdev)
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
 
+	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
+
 	r = omapdss_dpi_display_enable(dssdev);
 	if (r)
 		goto err0;
diff --git a/drivers/video/omap2/displays/panel-n8x0.c b/drivers/video/omap2/displays/panel-n8x0.c
index e6c115373c0..3fc5ad081a2 100644
--- a/drivers/video/omap2/displays/panel-n8x0.c
+++ b/drivers/video/omap2/displays/panel-n8x0.c
@@ -150,11 +150,17 @@ static void blizzard_ctrl_setup_update(struct omap_dss_device *dssdev,
 			BLIZZARD_SRC_WRITE_LCD :
 			BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE;
 
-	omap_rfbi_configure(dssdev, 16, 8);
+	omapdss_rfbi_set_pixel_size(dssdev, 16);
+	omapdss_rfbi_set_data_lines(dssdev, 8);
+
+	omap_rfbi_configure(dssdev);
 
 	blizzard_write(BLIZZARD_INPUT_WIN_X_START_0, tmp, 18);
 
-	omap_rfbi_configure(dssdev, 16, 16);
+	omapdss_rfbi_set_pixel_size(dssdev, 16);
+	omapdss_rfbi_set_data_lines(dssdev, 16);
+
+	omap_rfbi_configure(dssdev);
 }
 
 static void mipid_transfer(struct spi_device *spi, int cmd, const u8 *wbuf,
@@ -297,6 +303,12 @@ static int n8x0_panel_power_on(struct omap_dss_device *dssdev)
 			goto err_plat_en;
 	}
 
+	omapdss_rfbi_set_size(dssdev, dssdev->panel.timings.x_res,
+		dssdev->panel.timings.y_res);
+	omapdss_rfbi_set_pixel_size(dssdev, dssdev->ctrl.pixel_size);
+	omapdss_rfbi_set_data_lines(dssdev, dssdev->phy.rfbi.data_lines);
+	omapdss_rfbi_set_interface_timings(dssdev, &dssdev->ctrl.rfbi_timings);
+
 	r = omapdss_rfbi_display_enable(dssdev);
 	if (r)
 		goto err_rfbi_en;
@@ -477,6 +489,7 @@ static int n8x0_panel_probe(struct omap_dss_device *dssdev)
 	dssdev->panel.timings.y_res = 480;
 	dssdev->ctrl.pixel_size = 16;
 	dssdev->ctrl.rfbi_timings = n8x0_panel_timings;
+	dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
 
 	memset(&props, 0, sizeof(props));
 	props.max_brightness = 127;
@@ -625,17 +638,25 @@ static int n8x0_panel_update(struct omap_dss_device *dssdev,
 		u16 x, u16 y, u16 w, u16 h)
 {
 	struct panel_drv_data *ddata = get_drv_data(dssdev);
+	u16 dw, dh;
 
 	dev_dbg(&dssdev->dev, "update\n");
 
+	dw = dssdev->panel.timings.x_res;
+	dh = dssdev->panel.timings.y_res;
+
+	if (x != 0 || y != 0 || w != dw || h != dh) {
+		dev_err(&dssdev->dev, "invaid update region %d, %d, %d, %d\n",
+			x, y, w, h);
+		return -EINVAL;
+	}
+
 	mutex_lock(&ddata->lock);
 	rfbi_bus_lock();
 
-	omap_rfbi_prepare_update(dssdev, &x, &y, &w, &h);
-
 	blizzard_ctrl_setup_update(dssdev, x, y, w, h);
 
-	omap_rfbi_update(dssdev, x, y, w, h, update_done, NULL);
+	omap_rfbi_update(dssdev, update_done, NULL);
 
 	mutex_unlock(&ddata->lock);
 
diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
index b122b0f31c4..908fd268f3d 100644
--- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
+++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
@@ -175,6 +175,9 @@ static int nec_8048_panel_power_on(struct omap_dss_device *dssdev)
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
 
+	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
+
 	r = omapdss_dpi_display_enable(dssdev);
 	if (r)
 		goto err0;
diff --git a/drivers/video/omap2/displays/panel-picodlp.c b/drivers/video/omap2/displays/panel-picodlp.c
index 2d35bd38886..9df87640ddd 100644
--- a/drivers/video/omap2/displays/panel-picodlp.c
+++ b/drivers/video/omap2/displays/panel-picodlp.c
@@ -377,6 +377,10 @@ static int picodlp_panel_power_on(struct omap_dss_device *dssdev)
 	 * then only i2c commands can be successfully sent to dpp2600
 	 */
 	msleep(1000);
+
+	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
+
 	r = omapdss_dpi_display_enable(dssdev);
 	if (r) {
 		dev_err(&dssdev->dev, "failed to enable DPI\n");
diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
index bd86ba9ccf7..1ec3b277ff1 100644
--- a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
@@ -142,6 +142,9 @@ static int sharp_ls_power_on(struct omap_dss_device *dssdev)
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
 
+	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
+
 	r = omapdss_dpi_display_enable(dssdev);
 	if (r)
 		goto err0;
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 6b5e6e0e202..f2f644680ca 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -121,6 +121,18 @@ struct taal_data {
 
 	struct omap_dss_device *dssdev;
 
+	/* panel specific HW info */
+	struct panel_config *panel_config;
+
+	/* panel HW configuration from DT or platform data */
+	int reset_gpio;
+	int ext_te_gpio;
+
+	bool use_dsi_backlight;
+
+	struct omap_dsi_pin_config pin_config;
+
+	/* runtime variables */
 	bool enabled;
 	u8 rotate;
 	bool mirror;
@@ -145,16 +157,8 @@ struct taal_data {
 	bool ulps_enabled;
 	unsigned ulps_timeout;
 	struct delayed_work ulps_work;
-
-	struct panel_config *panel_config;
 };
 
-static inline struct nokia_dsi_panel_data
-*get_panel_data(const struct omap_dss_device *dssdev)
-{
-	return (struct nokia_dsi_panel_data *) dssdev->data;
-}
-
 static void taal_esd_work(struct work_struct *work);
 static void taal_ulps_work(struct work_struct *work);
 
@@ -371,7 +375,6 @@ static void taal_cancel_ulps_work(struct omap_dss_device *dssdev)
 static int taal_enter_ulps(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 	int r;
 
 	if (td->ulps_enabled)
@@ -383,7 +386,8 @@ static int taal_enter_ulps(struct omap_dss_device *dssdev)
 	if (r)
 		goto err;
 
-	disable_irq(gpio_to_irq(panel_data->ext_te_gpio));
+	if (gpio_is_valid(td->ext_te_gpio))
+		disable_irq(gpio_to_irq(td->ext_te_gpio));
 
 	omapdss_dsi_display_disable(dssdev, false, true);
 
@@ -405,7 +409,6 @@ err:
 static int taal_exit_ulps(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 	int r;
 
 	if (!td->ulps_enabled)
@@ -425,7 +428,8 @@ static int taal_exit_ulps(struct omap_dss_device *dssdev)
 		goto err2;
 	}
 
-	enable_irq(gpio_to_irq(panel_data->ext_te_gpio));
+	if (gpio_is_valid(td->ext_te_gpio))
+		enable_irq(gpio_to_irq(td->ext_te_gpio));
 
 	taal_queue_ulps_work(dssdev);
 
@@ -438,7 +442,8 @@ err2:
 
 	r = taal_panel_reset(dssdev);
 	if (!r) {
-		enable_irq(gpio_to_irq(panel_data->ext_te_gpio));
+		if (gpio_is_valid(td->ext_te_gpio))
+			enable_irq(gpio_to_irq(td->ext_te_gpio));
 		td->ulps_enabled = false;
 	}
 err1:
@@ -835,94 +840,135 @@ static struct attribute_group taal_attr_group = {
 static void taal_hw_reset(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 
-	if (panel_data->reset_gpio == -1)
+	if (!gpio_is_valid(td->reset_gpio))
 		return;
 
-	gpio_set_value(panel_data->reset_gpio, 1);
+	gpio_set_value(td->reset_gpio, 1);
 	if (td->panel_config->reset_sequence.high)
 		udelay(td->panel_config->reset_sequence.high);
 	/* reset the panel */
-	gpio_set_value(panel_data->reset_gpio, 0);
+	gpio_set_value(td->reset_gpio, 0);
 	/* assert reset */
 	if (td->panel_config->reset_sequence.low)
 		udelay(td->panel_config->reset_sequence.low);
-	gpio_set_value(panel_data->reset_gpio, 1);
+	gpio_set_value(td->reset_gpio, 1);
 	/* wait after releasing reset */
 	if (td->panel_config->sleep.hw_reset)
 		msleep(td->panel_config->sleep.hw_reset);
 }
 
+static void taal_probe_pdata(struct taal_data *td,
+		const struct nokia_dsi_panel_data *pdata)
+{
+	td->reset_gpio = pdata->reset_gpio;
+
+	if (pdata->use_ext_te)
+		td->ext_te_gpio = pdata->ext_te_gpio;
+	else
+		td->ext_te_gpio = -1;
+
+	td->esd_interval = pdata->esd_interval;
+	td->ulps_timeout = pdata->ulps_timeout;
+
+	td->use_dsi_backlight = pdata->use_dsi_backlight;
+
+	td->pin_config = pdata->pin_config;
+}
+
 static int taal_probe(struct omap_dss_device *dssdev)
 {
 	struct backlight_properties props;
 	struct taal_data *td;
 	struct backlight_device *bldev = NULL;
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
-	struct panel_config *panel_config = NULL;
 	int r, i;
+	const char *panel_name;
 
 	dev_dbg(&dssdev->dev, "probe\n");
 
-	if (!panel_data || !panel_data->name) {
-		r = -EINVAL;
-		goto err;
+	td = devm_kzalloc(&dssdev->dev, sizeof(*td), GFP_KERNEL);
+	if (!td)
+		return -ENOMEM;
+
+	dev_set_drvdata(&dssdev->dev, td);
+	td->dssdev = dssdev;
+
+	if (dssdev->data) {
+		const struct nokia_dsi_panel_data *pdata = dssdev->data;
+
+		taal_probe_pdata(td, pdata);
+
+		panel_name = pdata->name;
+	} else {
+		return -ENODEV;
 	}
 
+	if (panel_name == NULL)
+		return -EINVAL;
+
 	for (i = 0; i < ARRAY_SIZE(panel_configs); i++) {
-		if (strcmp(panel_data->name, panel_configs[i].name) == 0) {
-			panel_config = &panel_configs[i];
+		if (strcmp(panel_name, panel_configs[i].name) == 0) {
+			td->panel_config = &panel_configs[i];
 			break;
 		}
 	}
 
-	if (!panel_config) {
-		r = -EINVAL;
-		goto err;
-	}
+	if (!td->panel_config)
+		return -EINVAL;
 
-	dssdev->panel.timings = panel_config->timings;
+	dssdev->panel.timings = td->panel_config->timings;
 	dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888;
-
-	td = kzalloc(sizeof(*td), GFP_KERNEL);
-	if (!td) {
-		r = -ENOMEM;
-		goto err;
-	}
-	td->dssdev = dssdev;
-	td->panel_config = panel_config;
-	td->esd_interval = panel_data->esd_interval;
-	td->ulps_enabled = false;
-	td->ulps_timeout = panel_data->ulps_timeout;
+	dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE |
+		OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;
 
 	mutex_init(&td->lock);
 
 	atomic_set(&td->do_update, 0);
 
-	td->workqueue = create_singlethread_workqueue("taal_esd");
-	if (td->workqueue == NULL) {
-		dev_err(&dssdev->dev, "can't create ESD workqueue\n");
-		r = -ENOMEM;
-		goto err_wq;
+	if (gpio_is_valid(td->reset_gpio)) {
+		r = devm_gpio_request_one(&dssdev->dev, td->reset_gpio,
+				GPIOF_OUT_INIT_LOW, "taal rst");
+		if (r) {
+			dev_err(&dssdev->dev, "failed to request reset gpio\n");
+			return r;
+		}
 	}
-	INIT_DEFERRABLE_WORK(&td->esd_work, taal_esd_work);
-	INIT_DELAYED_WORK(&td->ulps_work, taal_ulps_work);
 
-	dev_set_drvdata(&dssdev->dev, td);
+	if (gpio_is_valid(td->ext_te_gpio)) {
+		r = devm_gpio_request_one(&dssdev->dev, td->ext_te_gpio,
+				GPIOF_IN, "taal irq");
+		if (r) {
+			dev_err(&dssdev->dev, "GPIO request failed\n");
+			return r;
+		}
+
+		r = devm_request_irq(&dssdev->dev, gpio_to_irq(td->ext_te_gpio),
+				taal_te_isr,
+				IRQF_TRIGGER_RISING,
+				"taal vsync", dssdev);
 
-	if (gpio_is_valid(panel_data->reset_gpio)) {
-		r = gpio_request_one(panel_data->reset_gpio, GPIOF_OUT_INIT_LOW,
-				"taal rst");
 		if (r) {
-			dev_err(&dssdev->dev, "failed to request reset gpio\n");
-			goto err_rst_gpio;
+			dev_err(&dssdev->dev, "IRQ request failed\n");
+			return r;
 		}
+
+		INIT_DEFERRABLE_WORK(&td->te_timeout_work,
+					taal_te_timeout_work_callback);
+
+		dev_dbg(&dssdev->dev, "Using GPIO TE\n");
 	}
 
+	td->workqueue = create_singlethread_workqueue("taal_esd");
+	if (td->workqueue == NULL) {
+		dev_err(&dssdev->dev, "can't create ESD workqueue\n");
+		return -ENOMEM;
+	}
+	INIT_DEFERRABLE_WORK(&td->esd_work, taal_esd_work);
+	INIT_DELAYED_WORK(&td->ulps_work, taal_ulps_work);
+
 	taal_hw_reset(dssdev);
 
-	if (panel_data->use_dsi_backlight) {
+	if (td->use_dsi_backlight) {
 		memset(&props, 0, sizeof(struct backlight_properties));
 		props.max_brightness = 255;
 
@@ -943,31 +989,6 @@ static int taal_probe(struct omap_dss_device *dssdev)
 		taal_bl_update_status(bldev);
 	}
 
-	if (panel_data->use_ext_te) {
-		int gpio = panel_data->ext_te_gpio;
-
-		r = gpio_request_one(gpio, GPIOF_IN, "taal irq");
-		if (r) {
-			dev_err(&dssdev->dev, "GPIO request failed\n");
-			goto err_gpio;
-		}
-
-		r = request_irq(gpio_to_irq(gpio), taal_te_isr,
-				IRQF_TRIGGER_RISING,
-				"taal vsync", dssdev);
-
-		if (r) {
-			dev_err(&dssdev->dev, "IRQ request failed\n");
-			gpio_free(gpio);
-			goto err_irq;
-		}
-
-		INIT_DEFERRABLE_WORK(&td->te_timeout_work,
-				     taal_te_timeout_work_callback);
-
-		dev_dbg(&dssdev->dev, "Using GPIO TE\n");
-	}
-
 	r = omap_dsi_request_vc(dssdev, &td->channel);
 	if (r) {
 		dev_err(&dssdev->dev, "failed to get virtual channel\n");
@@ -991,29 +1012,16 @@ static int taal_probe(struct omap_dss_device *dssdev)
 err_vc_id:
 	omap_dsi_release_vc(dssdev, td->channel);
 err_req_vc:
-	if (panel_data->use_ext_te)
-		free_irq(gpio_to_irq(panel_data->ext_te_gpio), dssdev);
-err_irq:
-	if (panel_data->use_ext_te)
-		gpio_free(panel_data->ext_te_gpio);
-err_gpio:
 	if (bldev != NULL)
 		backlight_device_unregister(bldev);
 err_bl:
-	if (gpio_is_valid(panel_data->reset_gpio))
-		gpio_free(panel_data->reset_gpio);
-err_rst_gpio:
 	destroy_workqueue(td->workqueue);
-err_wq:
-	kfree(td);
-err:
 	return r;
 }
 
 static void __exit taal_remove(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 	struct backlight_device *bldev;
 
 	dev_dbg(&dssdev->dev, "remove\n");
@@ -1021,12 +1029,6 @@ static void __exit taal_remove(struct omap_dss_device *dssdev)
 	sysfs_remove_group(&dssdev->dev.kobj, &taal_attr_group);
 	omap_dsi_release_vc(dssdev, td->channel);
 
-	if (panel_data->use_ext_te) {
-		int gpio = panel_data->ext_te_gpio;
-		free_irq(gpio_to_irq(gpio), dssdev);
-		gpio_free(gpio);
-	}
-
 	bldev = td->bldev;
 	if (bldev != NULL) {
 		bldev->props.power = FB_BLANK_POWERDOWN;
@@ -1040,26 +1042,31 @@ static void __exit taal_remove(struct omap_dss_device *dssdev)
 
 	/* reset, to be sure that the panel is in a valid state */
 	taal_hw_reset(dssdev);
-
-	if (gpio_is_valid(panel_data->reset_gpio))
-		gpio_free(panel_data->reset_gpio);
-
-	kfree(td);
 }
 
 static int taal_power_on(struct omap_dss_device *dssdev)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 	u8 id1, id2, id3;
 	int r;
 
-	r = omapdss_dsi_configure_pins(dssdev, &panel_data->pin_config);
+	r = omapdss_dsi_configure_pins(dssdev, &td->pin_config);
 	if (r) {
 		dev_err(&dssdev->dev, "failed to configure DSI pins\n");
 		goto err0;
 	};
 
+	omapdss_dsi_set_size(dssdev, dssdev->panel.timings.x_res,
+		dssdev->panel.timings.y_res);
+	omapdss_dsi_set_pixel_format(dssdev, OMAP_DSS_DSI_FMT_RGB888);
+	omapdss_dsi_set_operation_mode(dssdev, OMAP_DSS_DSI_CMD_MODE);
+
+	r = omapdss_dsi_set_clocks(dssdev, 216000000, 10000000);
+	if (r) {
+		dev_err(&dssdev->dev, "failed to set HS and LP clocks\n");
+		goto err0;
+	}
+
 	r = omapdss_dsi_display_enable(dssdev);
 	if (r) {
 		dev_err(&dssdev->dev, "failed to enable DSI\n");
@@ -1356,7 +1363,6 @@ static int taal_update(struct omap_dss_device *dssdev,
 				    u16 x, u16 y, u16 w, u16 h)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 	int r;
 
 	dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
@@ -1380,7 +1386,7 @@ static int taal_update(struct omap_dss_device *dssdev,
 	if (r)
 		goto err;
 
-	if (td->te_enabled && panel_data->use_ext_te) {
+	if (td->te_enabled && gpio_is_valid(td->ext_te_gpio)) {
 		schedule_delayed_work(&td->te_timeout_work,
 				msecs_to_jiffies(250));
 		atomic_set(&td->do_update, 1);
@@ -1419,7 +1425,6 @@ static int taal_sync(struct omap_dss_device *dssdev)
 static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 	int r;
 
 	if (enable)
@@ -1427,7 +1432,7 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
 	else
 		r = taal_dcs_write_0(td, MIPI_DCS_SET_TEAR_OFF);
 
-	if (!panel_data->use_ext_te)
+	if (!gpio_is_valid(td->ext_te_gpio))
 		omapdss_dsi_enable_te(dssdev, enable);
 
 	if (td->panel_config->sleep.enable_te)
@@ -1487,6 +1492,7 @@ static int taal_get_te(struct omap_dss_device *dssdev)
 static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
 {
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+	u16 dw, dh;
 	int r;
 
 	dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
@@ -1508,6 +1514,16 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
 			goto err;
 	}
 
+	if (rotate == 0 || rotate == 2) {
+		dw = dssdev->panel.timings.x_res;
+		dh = dssdev->panel.timings.y_res;
+	} else {
+		dw = dssdev->panel.timings.y_res;
+		dh = dssdev->panel.timings.x_res;
+	}
+
+	omapdss_dsi_set_size(dssdev, dw, dh);
+
 	td->rotate = rotate;
 
 	dsi_bus_unlock(dssdev);
@@ -1726,7 +1742,6 @@ static void taal_esd_work(struct work_struct *work)
 	struct taal_data *td = container_of(work, struct taal_data,
 			esd_work.work);
 	struct omap_dss_device *dssdev = td->dssdev;
-	struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
 	u8 state1, state2;
 	int r;
 
@@ -1773,7 +1788,7 @@ static void taal_esd_work(struct work_struct *work)
 	}
 	/* Self-diagnostics result is also shown on TE GPIO line. We need
 	 * to re-enable TE after self diagnostics */
-	if (td->te_enabled && panel_data->use_ext_te) {
+	if (td->te_enabled && gpio_is_valid(td->ext_te_gpio)) {
 		r = taal_dcs_write_1(td, MIPI_DCS_SET_TEAR_ON, 0);
 		if (r)
 			goto err;
diff --git a/drivers/video/omap2/displays/panel-tfp410.c b/drivers/video/omap2/displays/panel-tfp410.c
index 40cc0cfa5d1..383811cf864 100644
--- a/drivers/video/omap2/displays/panel-tfp410.c
+++ b/drivers/video/omap2/displays/panel-tfp410.c
@@ -65,6 +65,9 @@ static int tfp410_power_on(struct omap_dss_device *dssdev)
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
 
+	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
+
 	r = omapdss_dpi_display_enable(dssdev);
 	if (r)
 		goto err0;
@@ -116,8 +119,8 @@ static int tfp410_probe(struct omap_dss_device *dssdev)
 	}
 
 	if (gpio_is_valid(ddata->pd_gpio)) {
-		r = gpio_request_one(ddata->pd_gpio, GPIOF_OUT_INIT_LOW,
-				"tfp410 pd");
+		r = devm_gpio_request_one(&dssdev->dev, ddata->pd_gpio,
+				GPIOF_OUT_INIT_LOW, "tfp410 pd");
 		if (r) {
 			dev_err(&dssdev->dev, "Failed to request PD GPIO %d\n",
 					ddata->pd_gpio);
@@ -132,8 +135,7 @@ static int tfp410_probe(struct omap_dss_device *dssdev)
 		if (!adapter) {
 			dev_err(&dssdev->dev, "Failed to get I2C adapter, bus %d\n",
 					i2c_bus_num);
-			r = -EINVAL;
-			goto err_i2c;
+			return -EINVAL;
 		}
 
 		ddata->i2c_adapter = adapter;
@@ -142,10 +144,6 @@ static int tfp410_probe(struct omap_dss_device *dssdev)
 	dev_set_drvdata(&dssdev->dev, ddata);
 
 	return 0;
-err_i2c:
-	if (gpio_is_valid(ddata->pd_gpio))
-		gpio_free(ddata->pd_gpio);
-	return r;
 }
 
 static void __exit tfp410_remove(struct omap_dss_device *dssdev)
@@ -157,9 +155,6 @@ static void __exit tfp410_remove(struct omap_dss_device *dssdev)
 	if (ddata->i2c_adapter)
 		i2c_put_adapter(ddata->i2c_adapter);
 
-	if (gpio_is_valid(ddata->pd_gpio))
-		gpio_free(ddata->pd_gpio);
-
 	dev_set_drvdata(&dssdev->dev, NULL);
 
 	mutex_unlock(&ddata->lock);
@@ -231,7 +226,8 @@ static void tfp410_set_timings(struct omap_dss_device *dssdev,
 	struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
 
 	mutex_lock(&ddata->lock);
-	dpi_set_timings(dssdev, timings);
+	omapdss_dpi_set_timings(dssdev, timings);
+	dssdev->panel.timings = *timings;
 	mutex_unlock(&ddata->lock);
 }
 
diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
index fa7baa650ae..b5e6dbc59f0 100644
--- a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
+++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
@@ -337,6 +337,9 @@ static int tpo_td043_enable_dss(struct omap_dss_device *dssdev)
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
 
+	omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
+
 	r = omapdss_dpi_display_enable(dssdev);
 	if (r)
 		goto err0;
@@ -480,7 +483,9 @@ static void tpo_td043_remove(struct omap_dss_device *dssdev)
 static void tpo_td043_set_timings(struct omap_dss_device *dssdev,
 		struct omap_video_timings *timings)
 {
-	dpi_set_timings(dssdev, timings);
+	omapdss_dpi_set_timings(dssdev, timings);
+
+	dssdev->panel.timings = *timings;
 }
 
 static int tpo_td043_check_timings(struct omap_dss_device *dssdev,
diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index b337a8469fd..80f5390aa13 100644
--- a/drivers/video/omap2/dss/Kconfig
+++ b/drivers/video/omap2/dss/Kconfig
@@ -84,7 +84,7 @@ config OMAP2_DSS_SDI
 
 config OMAP2_DSS_DSI
 	bool "DSI support"
-	depends on ARCH_OMAP3 || ARCH_OMAP4
+	depends on ARCH_OMAP3 || ARCH_OMAP4 || ARCH_OMAP5
         default n
 	help
 	  MIPI DSI (Display Serial Interface) support.
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index 5c450b0f94d..4549869bfe1 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -1,9 +1,9 @@
 obj-$(CONFIG_OMAP2_DSS) += omapdss.o
 omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \
-	manager.o overlay.o apply.o
+	manager.o manager-sysfs.o overlay.o overlay-sysfs.o output.o apply.o
 omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
 omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
-omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
+omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o venc_panel.o
 omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
 omapdss-$(CONFIG_OMAP2_DSS_DSI) += dsi.o
 omapdss-$(CONFIG_OMAP4_DSS_HDMI) += hdmi.o \
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 0fefc68372b..19d66f471b4 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -111,9 +111,6 @@ static struct {
 	struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS];
 	struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS];
 
-	bool fifo_merge_dirty;
-	bool fifo_merge;
-
 	bool irq_enabled;
 } dss_data;
 
@@ -424,17 +421,25 @@ static void wait_pending_extra_info_updates(void)
 int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
 {
 	unsigned long timeout = msecs_to_jiffies(500);
-	struct mgr_priv_data *mp;
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 	u32 irq;
+	unsigned long flags;
 	int r;
 	int i;
-	struct omap_dss_device *dssdev = mgr->device;
 
-	if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (mgr_manual_update(mgr)) {
+		spin_unlock_irqrestore(&data_lock, flags);
 		return 0;
+	}
 
-	if (mgr_manual_update(mgr))
+	if (!mp->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
 		return 0;
+	}
+
+	spin_unlock_irqrestore(&data_lock, flags);
 
 	r = dispc_runtime_get();
 	if (r)
@@ -442,10 +447,8 @@ int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
 
 	irq = dispc_mgr_get_vsync_irq(mgr->id);
 
-	mp = get_mgr_priv(mgr);
 	i = 0;
 	while (1) {
-		unsigned long flags;
 		bool shadow_dirty, dirty;
 
 		spin_lock_irqsave(&data_lock, flags);
@@ -489,21 +492,30 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
 {
 	unsigned long timeout = msecs_to_jiffies(500);
 	struct ovl_priv_data *op;
-	struct omap_dss_device *dssdev;
+	struct mgr_priv_data *mp;
 	u32 irq;
+	unsigned long flags;
 	int r;
 	int i;
 
 	if (!ovl->manager)
 		return 0;
 
-	dssdev = ovl->manager->device;
+	mp = get_mgr_priv(ovl->manager);
+
+	spin_lock_irqsave(&data_lock, flags);
 
-	if (!dssdev || dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+	if (ovl_manual_update(ovl)) {
+		spin_unlock_irqrestore(&data_lock, flags);
 		return 0;
+	}
 
-	if (ovl_manual_update(ovl))
+	if (!mp->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
 		return 0;
+	}
+
+	spin_unlock_irqrestore(&data_lock, flags);
 
 	r = dispc_runtime_get();
 	if (r)
@@ -514,7 +526,6 @@ int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
 	op = get_ovl_priv(ovl);
 	i = 0;
 	while (1) {
-		unsigned long flags;
 		bool shadow_dirty, dirty;
 
 		spin_lock_irqsave(&data_lock, flags);
@@ -573,7 +584,7 @@ static void dss_ovl_write_regs(struct omap_overlay *ovl)
 
 	replication = dss_ovl_use_replication(mp->lcd_config, oi->color_mode);
 
-	r = dispc_ovl_setup(ovl->id, oi, replication, &mp->timings);
+	r = dispc_ovl_setup(ovl->id, oi, replication, &mp->timings, false);
 	if (r) {
 		/*
 		 * We can't do much here, as this function can be called from
@@ -677,40 +688,11 @@ static void dss_mgr_write_regs_extra(struct omap_overlay_manager *mgr)
 		mp->shadow_extra_info_dirty = true;
 }
 
-static void dss_write_regs_common(void)
-{
-	const int num_mgrs = omap_dss_get_num_overlay_managers();
-	int i;
-
-	if (!dss_data.fifo_merge_dirty)
-		return;
-
-	for (i = 0; i < num_mgrs; ++i) {
-		struct omap_overlay_manager *mgr;
-		struct mgr_priv_data *mp;
-
-		mgr = omap_dss_get_overlay_manager(i);
-		mp = get_mgr_priv(mgr);
-
-		if (mp->enabled) {
-			if (dss_data.fifo_merge_dirty) {
-				dispc_enable_fifomerge(dss_data.fifo_merge);
-				dss_data.fifo_merge_dirty = false;
-			}
-
-			if (mp->updating)
-				mp->shadow_info_dirty = true;
-		}
-	}
-}
-
 static void dss_write_regs(void)
 {
 	const int num_mgrs = omap_dss_get_num_overlay_managers();
 	int i;
 
-	dss_write_regs_common();
-
 	for (i = 0; i < num_mgrs; ++i) {
 		struct omap_overlay_manager *mgr;
 		struct mgr_priv_data *mp;
@@ -799,8 +781,6 @@ void dss_mgr_start_update(struct omap_overlay_manager *mgr)
 	dss_mgr_write_regs(mgr);
 	dss_mgr_write_regs_extra(mgr);
 
-	dss_write_regs_common();
-
 	mp->updating = true;
 
 	if (!dss_data.irq_enabled && need_isr())
@@ -984,20 +964,11 @@ static void dss_apply_ovl_fifo_thresholds(struct omap_overlay *ovl,
 	op->extra_info_dirty = true;
 }
 
-static void dss_apply_fifo_merge(bool use_fifo_merge)
-{
-	if (dss_data.fifo_merge == use_fifo_merge)
-		return;
-
-	dss_data.fifo_merge = use_fifo_merge;
-	dss_data.fifo_merge_dirty = true;
-}
-
-static void dss_ovl_setup_fifo(struct omap_overlay *ovl,
-		bool use_fifo_merge)
+static void dss_ovl_setup_fifo(struct omap_overlay *ovl)
 {
 	struct ovl_priv_data *op = get_ovl_priv(ovl);
 	u32 fifo_low, fifo_high;
+	bool use_fifo_merge = false;
 
 	if (!op->enabled && !op->enabling)
 		return;
@@ -1008,8 +979,7 @@ static void dss_ovl_setup_fifo(struct omap_overlay *ovl,
 	dss_apply_ovl_fifo_thresholds(ovl, fifo_low, fifo_high);
 }
 
-static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr,
-		bool use_fifo_merge)
+static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr)
 {
 	struct omap_overlay *ovl;
 	struct mgr_priv_data *mp;
@@ -1020,94 +990,19 @@ static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr,
 		return;
 
 	list_for_each_entry(ovl, &mgr->overlays, list)
-		dss_ovl_setup_fifo(ovl, use_fifo_merge);
-}
-
-static void dss_setup_fifos(bool use_fifo_merge)
-{
-	const int num_mgrs = omap_dss_get_num_overlay_managers();
-	struct omap_overlay_manager *mgr;
-	int i;
-
-	for (i = 0; i < num_mgrs; ++i) {
-		mgr = omap_dss_get_overlay_manager(i);
-		dss_mgr_setup_fifos(mgr, use_fifo_merge);
-	}
+		dss_ovl_setup_fifo(ovl);
 }
 
-static int get_num_used_managers(void)
+static void dss_setup_fifos(void)
 {
 	const int num_mgrs = omap_dss_get_num_overlay_managers();
 	struct omap_overlay_manager *mgr;
-	struct mgr_priv_data *mp;
 	int i;
-	int enabled_mgrs;
-
-	enabled_mgrs = 0;
 
 	for (i = 0; i < num_mgrs; ++i) {
 		mgr = omap_dss_get_overlay_manager(i);
-		mp = get_mgr_priv(mgr);
-
-		if (!mp->enabled)
-			continue;
-
-		enabled_mgrs++;
+		dss_mgr_setup_fifos(mgr);
 	}
-
-	return enabled_mgrs;
-}
-
-static int get_num_used_overlays(void)
-{
-	const int num_ovls = omap_dss_get_num_overlays();
-	struct omap_overlay *ovl;
-	struct ovl_priv_data *op;
-	struct mgr_priv_data *mp;
-	int i;
-	int enabled_ovls;
-
-	enabled_ovls = 0;
-
-	for (i = 0; i < num_ovls; ++i) {
-		ovl = omap_dss_get_overlay(i);
-		op = get_ovl_priv(ovl);
-
-		if (!op->enabled && !op->enabling)
-			continue;
-
-		mp = get_mgr_priv(ovl->manager);
-
-		if (!mp->enabled)
-			continue;
-
-		enabled_ovls++;
-	}
-
-	return enabled_ovls;
-}
-
-static bool get_use_fifo_merge(void)
-{
-	int enabled_mgrs = get_num_used_managers();
-	int enabled_ovls = get_num_used_overlays();
-
-	if (!dss_has_feature(FEAT_FIFO_MERGE))
-		return false;
-
-	/*
-	 * In theory the only requirement for fifomerge is enabled_ovls <= 1.
-	 * However, if we have two managers enabled and set/unset the fifomerge,
-	 * we need to set the GO bits in particular sequence for the managers,
-	 * and wait in between.
-	 *
-	 * This is rather difficult as new apply calls can happen at any time,
-	 * so we simplify the problem by requiring also that enabled_mgrs <= 1.
-	 * In practice this shouldn't matter, because when only one overlay is
-	 * enabled, most likely only one output is enabled.
-	 */
-
-	return enabled_mgrs <= 1 && enabled_ovls <= 1;
 }
 
 int dss_mgr_enable(struct omap_overlay_manager *mgr)
@@ -1115,7 +1010,6 @@ int dss_mgr_enable(struct omap_overlay_manager *mgr)
 	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 	unsigned long flags;
 	int r;
-	bool fifo_merge;
 
 	mutex_lock(&apply_lock);
 
@@ -1133,23 +1027,11 @@ int dss_mgr_enable(struct omap_overlay_manager *mgr)
 		goto err;
 	}
 
-	/* step 1: setup fifos/fifomerge before enabling the manager */
-
-	fifo_merge = get_use_fifo_merge();
-	dss_setup_fifos(fifo_merge);
-	dss_apply_fifo_merge(fifo_merge);
+	dss_setup_fifos();
 
 	dss_write_regs();
 	dss_set_go_bits();
 
-	spin_unlock_irqrestore(&data_lock, flags);
-
-	/* wait until fifo config is in */
-	wait_pending_extra_info_updates();
-
-	/* step 2: enable the manager */
-	spin_lock_irqsave(&data_lock, flags);
-
 	if (!mgr_manual_update(mgr))
 		mp->updating = true;
 
@@ -1174,7 +1056,6 @@ void dss_mgr_disable(struct omap_overlay_manager *mgr)
 {
 	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 	unsigned long flags;
-	bool fifo_merge;
 
 	mutex_lock(&apply_lock);
 
@@ -1189,16 +1070,8 @@ void dss_mgr_disable(struct omap_overlay_manager *mgr)
 	mp->updating = false;
 	mp->enabled = false;
 
-	fifo_merge = get_use_fifo_merge();
-	dss_setup_fifos(fifo_merge);
-	dss_apply_fifo_merge(fifo_merge);
-
-	dss_write_regs();
-	dss_set_go_bits();
-
 	spin_unlock_irqrestore(&data_lock, flags);
 
-	wait_pending_extra_info_updates();
 out:
 	mutex_unlock(&apply_lock);
 }
@@ -1237,29 +1110,29 @@ void dss_mgr_get_info(struct omap_overlay_manager *mgr,
 	spin_unlock_irqrestore(&data_lock, flags);
 }
 
-int dss_mgr_set_device(struct omap_overlay_manager *mgr,
-		struct omap_dss_device *dssdev)
+int dss_mgr_set_output(struct omap_overlay_manager *mgr,
+		struct omap_dss_output *output)
 {
 	int r;
 
 	mutex_lock(&apply_lock);
 
-	if (dssdev->manager) {
-		DSSERR("display '%s' already has a manager '%s'\n",
-			       dssdev->name, dssdev->manager->name);
+	if (mgr->output) {
+		DSSERR("manager %s is already connected to an output\n",
+			mgr->name);
 		r = -EINVAL;
 		goto err;
 	}
 
-	if ((mgr->supported_displays & dssdev->type) == 0) {
-		DSSERR("display '%s' does not support manager '%s'\n",
-			       dssdev->name, mgr->name);
+	if ((mgr->supported_outputs & output->id) == 0) {
+		DSSERR("output does not support manager %s\n",
+			mgr->name);
 		r = -EINVAL;
 		goto err;
 	}
 
-	dssdev->manager = mgr;
-	mgr->device = dssdev;
+	output->manager = mgr;
+	mgr->output = output;
 
 	mutex_unlock(&apply_lock);
 
@@ -1269,40 +1142,46 @@ err:
 	return r;
 }
 
-int dss_mgr_unset_device(struct omap_overlay_manager *mgr)
+int dss_mgr_unset_output(struct omap_overlay_manager *mgr)
 {
 	int r;
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
 
 	mutex_lock(&apply_lock);
 
-	if (!mgr->device) {
-		DSSERR("failed to unset display, display not set.\n");
+	if (!mgr->output) {
+		DSSERR("failed to unset output, output not set\n");
 		r = -EINVAL;
 		goto err;
 	}
 
-	/*
-	 * Don't allow currently enabled displays to have the overlay manager
-	 * pulled out from underneath them
-	 */
-	if (mgr->device->state != OMAP_DSS_DISPLAY_DISABLED) {
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (mp->enabled) {
+		DSSERR("output can't be unset when manager is enabled\n");
 		r = -EINVAL;
-		goto err;
+		goto err1;
 	}
 
-	mgr->device->manager = NULL;
-	mgr->device = NULL;
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	mgr->output->manager = NULL;
+	mgr->output = NULL;
 
 	mutex_unlock(&apply_lock);
 
 	return 0;
+err1:
+	spin_unlock_irqrestore(&data_lock, flags);
 err:
 	mutex_unlock(&apply_lock);
+
 	return r;
 }
 
 static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr,
-		struct omap_video_timings *timings)
+		const struct omap_video_timings *timings)
 {
 	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 
@@ -1311,24 +1190,22 @@ static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr,
 }
 
 void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
-		struct omap_video_timings *timings)
+		const struct omap_video_timings *timings)
 {
 	unsigned long flags;
-
-	mutex_lock(&apply_lock);
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 
 	spin_lock_irqsave(&data_lock, flags);
 
-	dss_apply_mgr_timings(mgr, timings);
-
-	dss_write_regs();
-	dss_set_go_bits();
+	if (mp->updating) {
+		DSSERR("cannot set timings for %s: manager needs to be disabled\n",
+			mgr->name);
+		goto out;
+	}
 
+	dss_apply_mgr_timings(mgr, timings);
+out:
 	spin_unlock_irqrestore(&data_lock, flags);
-
-	wait_pending_extra_info_updates();
-
-	mutex_unlock(&apply_lock);
 }
 
 static void dss_apply_mgr_lcd_config(struct omap_overlay_manager *mgr,
@@ -1346,7 +1223,7 @@ void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
 	unsigned long flags;
 	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 
-	mutex_lock(&apply_lock);
+	spin_lock_irqsave(&data_lock, flags);
 
 	if (mp->enabled) {
 		DSSERR("cannot apply lcd config for %s: manager needs to be disabled\n",
@@ -1354,19 +1231,9 @@ void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
 		goto out;
 	}
 
-	spin_lock_irqsave(&data_lock, flags);
-
 	dss_apply_mgr_lcd_config(mgr, config);
-
-	dss_write_regs();
-	dss_set_go_bits();
-
-	spin_unlock_irqrestore(&data_lock, flags);
-
-	wait_pending_extra_info_updates();
-
 out:
-	mutex_unlock(&apply_lock);
+	spin_unlock_irqrestore(&data_lock, flags);
 }
 
 int dss_ovl_set_info(struct omap_overlay *ovl,
@@ -1483,6 +1350,13 @@ int dss_ovl_unset_manager(struct omap_overlay *ovl)
 		goto err;
 	}
 
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* wait for pending extra_info updates to ensure the ovl is disabled */
+	wait_pending_extra_info_updates();
+
+	spin_lock_irqsave(&data_lock, flags);
+
 	op->channel = -1;
 
 	ovl->manager = NULL;
@@ -1517,7 +1391,6 @@ int dss_ovl_enable(struct omap_overlay *ovl)
 {
 	struct ovl_priv_data *op = get_ovl_priv(ovl);
 	unsigned long flags;
-	bool fifo_merge;
 	int r;
 
 	mutex_lock(&apply_lock);
@@ -1527,7 +1400,7 @@ int dss_ovl_enable(struct omap_overlay *ovl)
 		goto err1;
 	}
 
-	if (ovl->manager == NULL || ovl->manager->device == NULL) {
+	if (ovl->manager == NULL || ovl->manager->output == NULL) {
 		r = -EINVAL;
 		goto err1;
 	}
@@ -1543,22 +1416,7 @@ int dss_ovl_enable(struct omap_overlay *ovl)
 		goto err2;
 	}
 
-	/* step 1: configure fifos/fifomerge for currently enabled ovls */
-
-	fifo_merge = get_use_fifo_merge();
-	dss_setup_fifos(fifo_merge);
-	dss_apply_fifo_merge(fifo_merge);
-
-	dss_write_regs();
-	dss_set_go_bits();
-
-	spin_unlock_irqrestore(&data_lock, flags);
-
-	/* wait for fifo configs to go in */
-	wait_pending_extra_info_updates();
-
-	/* step 2: enable the overlay */
-	spin_lock_irqsave(&data_lock, flags);
+	dss_setup_fifos();
 
 	op->enabling = false;
 	dss_apply_ovl_enable(ovl, true);
@@ -1568,9 +1426,6 @@ int dss_ovl_enable(struct omap_overlay *ovl)
 
 	spin_unlock_irqrestore(&data_lock, flags);
 
-	/* wait for overlay to be enabled */
-	wait_pending_extra_info_updates();
-
 	mutex_unlock(&apply_lock);
 
 	return 0;
@@ -1586,7 +1441,6 @@ int dss_ovl_disable(struct omap_overlay *ovl)
 {
 	struct ovl_priv_data *op = get_ovl_priv(ovl);
 	unsigned long flags;
-	bool fifo_merge;
 	int r;
 
 	mutex_lock(&apply_lock);
@@ -1596,39 +1450,19 @@ int dss_ovl_disable(struct omap_overlay *ovl)
 		goto err;
 	}
 
-	if (ovl->manager == NULL || ovl->manager->device == NULL) {
+	if (ovl->manager == NULL || ovl->manager->output == NULL) {
 		r = -EINVAL;
 		goto err;
 	}
 
-	/* step 1: disable the overlay */
 	spin_lock_irqsave(&data_lock, flags);
 
 	dss_apply_ovl_enable(ovl, false);
-
 	dss_write_regs();
 	dss_set_go_bits();
 
 	spin_unlock_irqrestore(&data_lock, flags);
 
-	/* wait for the overlay to be disabled */
-	wait_pending_extra_info_updates();
-
-	/* step 2: configure fifos/fifomerge */
-	spin_lock_irqsave(&data_lock, flags);
-
-	fifo_merge = get_use_fifo_merge();
-	dss_setup_fifos(fifo_merge);
-	dss_apply_fifo_merge(fifo_merge);
-
-	dss_write_regs();
-	dss_set_go_bits();
-
-	spin_unlock_irqrestore(&data_lock, flags);
-
-	/* wait for fifo config to go in */
-	wait_pending_extra_info_updates();
-
 	mutex_unlock(&apply_lock);
 
 	return 0;
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 58bd9c27369..b2af72dc20b 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -33,6 +33,7 @@
 #include <linux/device.h>
 #include <linux/regulator/consumer.h>
 #include <linux/suspend.h>
+#include <linux/slab.h>
 
 #include <video/omapdss.h>
 
@@ -57,6 +58,11 @@ bool dss_debug;
 module_param_named(debug, dss_debug, bool, 0644);
 #endif
 
+const char *dss_get_default_display_name(void)
+{
+	return core.default_display_name;
+}
+
 /* REGULATORS */
 
 struct regulator *dss_get_vdds_dsi(void)
@@ -347,17 +353,14 @@ static int dss_driver_probe(struct device *dev)
 	int r;
 	struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
 	struct omap_dss_device *dssdev = to_dss_device(dev);
-	bool force;
 
 	DSSDBG("driver_probe: dev %s/%s, drv %s\n",
 				dev_name(dev), dssdev->driver_name,
 				dssdrv->driver.name);
 
-	dss_init_device(core.pdev, dssdev);
-
-	force = core.default_display_name &&
-		strcmp(core.default_display_name, dssdev->name) == 0;
-	dss_recheck_connections(dssdev, force);
+	r = dss_init_device(core.pdev, dssdev);
+	if (r)
+		return r;
 
 	r = dssdrv->probe(dssdev);
 
@@ -416,54 +419,44 @@ void omap_dss_unregister_driver(struct omap_dss_driver *dssdriver)
 EXPORT_SYMBOL(omap_dss_unregister_driver);
 
 /* DEVICE */
-static void reset_device(struct device *dev, int check)
-{
-	u8 *dev_p = (u8 *)dev;
-	u8 *dev_end = dev_p + sizeof(*dev);
-	void *saved_pdata;
-
-	saved_pdata = dev->platform_data;
-	if (check) {
-		/*
-		 * Check if there is any other setting than platform_data
-		 * in struct device; warn that these will be reset by our
-		 * init.
-		 */
-		dev->platform_data = NULL;
-		while (dev_p < dev_end) {
-			if (*dev_p) {
-				WARN("%s: struct device fields will be "
-						"discarded\n",
-				     __func__);
-				break;
-			}
-			dev_p++;
-		}
-	}
-	memset(dev, 0, sizeof(*dev));
-	dev->platform_data = saved_pdata;
-}
-
 
 static void omap_dss_dev_release(struct device *dev)
 {
-	reset_device(dev, 0);
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	kfree(dssdev);
 }
 
-int omap_dss_register_device(struct omap_dss_device *dssdev,
-		struct device *parent, int disp_num)
+static int disp_num_counter;
+
+struct omap_dss_device *dss_alloc_and_init_device(struct device *parent)
 {
-	WARN_ON(!dssdev->driver_name);
+	struct omap_dss_device *dssdev;
+
+	dssdev = kzalloc(sizeof(*dssdev), GFP_KERNEL);
+	if (!dssdev)
+		return NULL;
 
-	reset_device(&dssdev->dev, 1);
 	dssdev->dev.bus = &dss_bus_type;
 	dssdev->dev.parent = parent;
 	dssdev->dev.release = omap_dss_dev_release;
-	dev_set_name(&dssdev->dev, "display%d", disp_num);
-	return device_register(&dssdev->dev);
+	dev_set_name(&dssdev->dev, "display%d", disp_num_counter++);
+
+	device_initialize(&dssdev->dev);
+
+	return dssdev;
+}
+
+int dss_add_device(struct omap_dss_device *dssdev)
+{
+	return device_add(&dssdev->dev);
+}
+
+void dss_put_device(struct omap_dss_device *dssdev)
+{
+	put_device(&dssdev->dev);
 }
 
-void omap_dss_unregister_device(struct omap_dss_device *dssdev)
+void dss_unregister_device(struct omap_dss_device *dssdev)
 {
 	device_unregister(&dssdev->dev);
 }
@@ -471,15 +464,25 @@ void omap_dss_unregister_device(struct omap_dss_device *dssdev)
 static int dss_unregister_dss_dev(struct device *dev, void *data)
 {
 	struct omap_dss_device *dssdev = to_dss_device(dev);
-	omap_dss_unregister_device(dssdev);
+	dss_unregister_device(dssdev);
 	return 0;
 }
 
-void omap_dss_unregister_child_devices(struct device *parent)
+void dss_unregister_child_devices(struct device *parent)
 {
 	device_for_each_child(parent, NULL, dss_unregister_dss_dev);
 }
 
+void dss_copy_device_pdata(struct omap_dss_device *dst,
+		const struct omap_dss_device *src)
+{
+	u8 *d = (u8 *)dst;
+	u8 *s = (u8 *)src;
+	size_t dsize = sizeof(struct device);
+
+	memcpy(d + dsize, s + dsize, sizeof(struct omap_dss_device) - dsize);
+}
+
 /* BUS */
 static int __init omap_dss_bus_register(void)
 {
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index ee9e29639dc..b43477a5fae 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -38,7 +38,6 @@
 #include <linux/pm_runtime.h>
 
 #include <plat/cpu.h>
-#include <plat/clock.h>
 
 #include <video/omapdss.h>
 
@@ -82,6 +81,30 @@ struct dispc_irq_stats {
 	unsigned irqs[32];
 };
 
+struct dispc_features {
+	u8 sw_start;
+	u8 fp_start;
+	u8 bp_start;
+	u16 sw_max;
+	u16 vp_max;
+	u16 hp_max;
+	int (*calc_scaling) (enum omap_plane plane,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem);
+	unsigned long (*calc_core_clk) (enum omap_plane plane,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		bool mem_to_mem);
+	u8 num_fifos;
+
+	/* swap GFX & WB fifos */
+	bool gfx_fifo_workaround:1;
+};
+
+#define DISPC_MAX_NR_FIFOS 5
+
 static struct {
 	struct platform_device *pdev;
 	void __iomem    *base;
@@ -91,7 +114,9 @@ static struct {
 	int irq;
 	struct clk *dss_clk;
 
-	u32	fifo_size[MAX_DSS_OVERLAYS];
+	u32 fifo_size[DISPC_MAX_NR_FIFOS];
+	/* maps which plane is using a fifo. fifo-id -> plane-id */
+	int fifo_assignment[DISPC_MAX_NR_FIFOS];
 
 	spinlock_t irq_lock;
 	u32 irq_error_mask;
@@ -102,6 +127,8 @@ static struct {
 	bool		ctx_valid;
 	u32		ctx[DISPC_SZ_REGS / sizeof(u32)];
 
+	const struct dispc_features *feat;
+
 #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
 	spinlock_t irq_stats_lock;
 	struct dispc_irq_stats irq_stats;
@@ -211,7 +238,14 @@ static const struct {
 	},
 };
 
+struct color_conv_coef {
+	int ry, rcr, rcb, gy, gcr, gcb, by, bcr, bcb;
+	int full_range;
+};
+
 static void _omap_dispc_set_irqs(void);
+static unsigned long dispc_plane_pclk_rate(enum omap_plane plane);
+static unsigned long dispc_plane_lclk_rate(enum omap_plane plane);
 
 static inline void dispc_write_reg(const u16 idx, u32 val)
 {
@@ -509,6 +543,11 @@ u32 dispc_mgr_get_framedone_irq(enum omap_channel channel)
 	return mgr_desc[channel].framedone_irq;
 }
 
+u32 dispc_wb_get_framedone_irq(void)
+{
+	return DISPC_IRQ_FRAMEDONEWB;
+}
+
 bool dispc_mgr_go_busy(enum omap_channel channel)
 {
 	return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
@@ -536,6 +575,30 @@ void dispc_mgr_go(enum omap_channel channel)
 	mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1);
 }
 
+bool dispc_wb_go_busy(void)
+{
+	return REG_GET(DISPC_CONTROL2, 6, 6) == 1;
+}
+
+void dispc_wb_go(void)
+{
+	enum omap_plane plane = OMAP_DSS_WB;
+	bool enable, go;
+
+	enable = REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1;
+
+	if (!enable)
+		return;
+
+	go = REG_GET(DISPC_CONTROL2, 6, 6) == 1;
+	if (go) {
+		DSSERR("GO bit not down for WB\n");
+		return;
+	}
+
+	REG_FLD_MOD(DISPC_CONTROL2, 1, 6, 6);
+}
+
 static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value)
 {
 	dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value);
@@ -618,41 +681,41 @@ static void dispc_ovl_set_scale_coef(enum omap_plane plane, int fir_hinc,
 	}
 }
 
-static void _dispc_setup_color_conv_coef(void)
-{
-	int i;
-	const struct color_conv_coef {
-		int  ry,  rcr,  rcb,   gy,  gcr,  gcb,   by,  bcr,  bcb;
-		int  full_range;
-	}  ctbl_bt601_5 = {
-		298,  409,    0,  298, -208, -100,  298,    0,  517, 0,
-	};
-
-	const struct color_conv_coef *ct;
 
+static void dispc_ovl_write_color_conv_coef(enum omap_plane plane,
+		const struct color_conv_coef *ct)
+{
 #define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0))
 
-	ct = &ctbl_bt601_5;
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 0), CVAL(ct->rcr, ct->ry));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 1), CVAL(ct->gy,  ct->rcb));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 2), CVAL(ct->gcb, ct->gcr));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 3), CVAL(ct->bcr, ct->by));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 4), CVAL(0, ct->bcb));
 
-	for (i = 1; i < dss_feat_get_num_ovls(); i++) {
-		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 0),
-			CVAL(ct->rcr, ct->ry));
-		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 1),
-			CVAL(ct->gy,  ct->rcb));
-		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 2),
-			CVAL(ct->gcb, ct->gcr));
-		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 3),
-			CVAL(ct->bcr, ct->by));
-		dispc_write_reg(DISPC_OVL_CONV_COEF(i, 4),
-			CVAL(0, ct->bcb));
-
-		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), ct->full_range,
-			11, 11);
-	}
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), ct->full_range, 11, 11);
 
 #undef CVAL
 }
 
+static void dispc_setup_color_conv_coef(void)
+{
+	int i;
+	int num_ovl = dss_feat_get_num_ovls();
+	int num_wb = dss_feat_get_num_wbs();
+	const struct color_conv_coef ctbl_bt601_5_ovl = {
+		298, 409, 0, 298, -208, -100, 298, 0, 517, 0,
+	};
+	const struct color_conv_coef ctbl_bt601_5_wb = {
+		66, 112, -38, 129, -94, -74, 25, -18, 112, 0,
+	};
+
+	for (i = 1; i < num_ovl; i++)
+		dispc_ovl_write_color_conv_coef(i, &ctbl_bt601_5_ovl);
+
+	for (; i < num_wb; i++)
+		dispc_ovl_write_color_conv_coef(i, &ctbl_bt601_5_wb);
+}
 
 static void dispc_ovl_set_ba0(enum omap_plane plane, u32 paddr)
 {
@@ -674,24 +737,32 @@ static void dispc_ovl_set_ba1_uv(enum omap_plane plane, u32 paddr)
 	dispc_write_reg(DISPC_OVL_BA1_UV(plane), paddr);
 }
 
-static void dispc_ovl_set_pos(enum omap_plane plane, int x, int y)
+static void dispc_ovl_set_pos(enum omap_plane plane,
+		enum omap_overlay_caps caps, int x, int y)
 {
-	u32 val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0);
+	u32 val;
+
+	if ((caps & OMAP_DSS_OVL_CAP_POS) == 0)
+		return;
+
+	val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0);
 
 	dispc_write_reg(DISPC_OVL_POSITION(plane), val);
 }
 
-static void dispc_ovl_set_pic_size(enum omap_plane plane, int width, int height)
+static void dispc_ovl_set_input_size(enum omap_plane plane, int width,
+		int height)
 {
 	u32 val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
 
-	if (plane == OMAP_DSS_GFX)
+	if (plane == OMAP_DSS_GFX || plane == OMAP_DSS_WB)
 		dispc_write_reg(DISPC_OVL_SIZE(plane), val);
 	else
 		dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val);
 }
 
-static void dispc_ovl_set_vid_size(enum omap_plane plane, int width, int height)
+static void dispc_ovl_set_output_size(enum omap_plane plane, int width,
+		int height)
 {
 	u32 val;
 
@@ -699,14 +770,16 @@ static void dispc_ovl_set_vid_size(enum omap_plane plane, int width, int height)
 
 	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
 
-	dispc_write_reg(DISPC_OVL_SIZE(plane), val);
+	if (plane == OMAP_DSS_WB)
+		dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val);
+	else
+		dispc_write_reg(DISPC_OVL_SIZE(plane), val);
 }
 
-static void dispc_ovl_set_zorder(enum omap_plane plane, u8 zorder)
+static void dispc_ovl_set_zorder(enum omap_plane plane,
+		enum omap_overlay_caps caps, u8 zorder)
 {
-	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
-
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
+	if ((caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
 		return;
 
 	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), zorder, 27, 26);
@@ -723,23 +796,22 @@ static void dispc_ovl_enable_zorder_planes(void)
 		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), 1, 25, 25);
 }
 
-static void dispc_ovl_set_pre_mult_alpha(enum omap_plane plane, bool enable)
+static void dispc_ovl_set_pre_mult_alpha(enum omap_plane plane,
+		enum omap_overlay_caps caps, bool enable)
 {
-	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
-
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
+	if ((caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
 		return;
 
 	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 28, 28);
 }
 
-static void dispc_ovl_setup_global_alpha(enum omap_plane plane, u8 global_alpha)
+static void dispc_ovl_setup_global_alpha(enum omap_plane plane,
+		enum omap_overlay_caps caps, u8 global_alpha)
 {
 	static const unsigned shifts[] = { 0, 8, 16, 24, };
 	int shift;
-	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
 
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
+	if ((caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
 		return;
 
 	shift = shifts[plane];
@@ -947,10 +1019,17 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
 	return channel;
 }
 
+void dispc_wb_set_channel_in(enum dss_writeback_channel channel)
+{
+	enum omap_plane plane = OMAP_DSS_WB;
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16);
+}
+
 static void dispc_ovl_set_burst_size(enum omap_plane plane,
 		enum omap_burst_size burst_size)
 {
-	static const unsigned shifts[] = { 6, 14, 14, 14, };
+	static const unsigned shifts[] = { 6, 14, 14, 14, 14, };
 	int shift;
 
 	shift = shifts[plane];
@@ -1027,11 +1106,15 @@ static void dispc_ovl_set_vid_color_conv(enum omap_plane plane, bool enable)
 	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
 }
 
-static void dispc_ovl_enable_replication(enum omap_plane plane, bool enable)
+static void dispc_ovl_enable_replication(enum omap_plane plane,
+		enum omap_overlay_caps caps, bool enable)
 {
 	static const unsigned shifts[] = { 5, 10, 10, 10 };
 	int shift;
 
+	if ((caps & OMAP_DSS_OVL_CAP_REPLICATION) == 0)
+		return;
+
 	shift = shifts[plane];
 	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, shift, shift);
 }
@@ -1045,10 +1128,10 @@ static void dispc_mgr_set_size(enum omap_channel channel, u16 width,
 	dispc_write_reg(DISPC_SIZE_MGR(channel), val);
 }
 
-static void dispc_read_plane_fifo_sizes(void)
+static void dispc_init_fifos(void)
 {
 	u32 size;
-	int plane;
+	int fifo;
 	u8 start, end;
 	u32 unit;
 
@@ -1056,16 +1139,53 @@ static void dispc_read_plane_fifo_sizes(void)
 
 	dss_feat_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end);
 
-	for (plane = 0; plane < dss_feat_get_num_ovls(); ++plane) {
-		size = REG_GET(DISPC_OVL_FIFO_SIZE_STATUS(plane), start, end);
+	for (fifo = 0; fifo < dispc.feat->num_fifos; ++fifo) {
+		size = REG_GET(DISPC_OVL_FIFO_SIZE_STATUS(fifo), start, end);
 		size *= unit;
-		dispc.fifo_size[plane] = size;
+		dispc.fifo_size[fifo] = size;
+
+		/*
+		 * By default fifos are mapped directly to overlays, fifo 0 to
+		 * ovl 0, fifo 1 to ovl 1, etc.
+		 */
+		dispc.fifo_assignment[fifo] = fifo;
+	}
+
+	/*
+	 * The GFX fifo on OMAP4 is smaller than the other fifos. The small fifo
+	 * causes problems with certain use cases, like using the tiler in 2D
+	 * mode. The below hack swaps the fifos of GFX and WB planes, thus
+	 * giving GFX plane a larger fifo. WB but should work fine with a
+	 * smaller fifo.
+	 */
+	if (dispc.feat->gfx_fifo_workaround) {
+		u32 v;
+
+		v = dispc_read_reg(DISPC_GLOBAL_BUFFER);
+
+		v = FLD_MOD(v, 4, 2, 0); /* GFX BUF top to WB */
+		v = FLD_MOD(v, 4, 5, 3); /* GFX BUF bottom to WB */
+		v = FLD_MOD(v, 0, 26, 24); /* WB BUF top to GFX */
+		v = FLD_MOD(v, 0, 29, 27); /* WB BUF bottom to GFX */
+
+		dispc_write_reg(DISPC_GLOBAL_BUFFER, v);
+
+		dispc.fifo_assignment[OMAP_DSS_GFX] = OMAP_DSS_WB;
+		dispc.fifo_assignment[OMAP_DSS_WB] = OMAP_DSS_GFX;
 	}
 }
 
 static u32 dispc_ovl_get_fifo_size(enum omap_plane plane)
 {
-	return dispc.fifo_size[plane];
+	int fifo;
+	u32 size = 0;
+
+	for (fifo = 0; fifo < dispc.feat->num_fifos; ++fifo) {
+		if (dispc.fifo_assignment[fifo] == plane)
+			size += dispc.fifo_size[fifo];
+	}
+
+	return size;
 }
 
 void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high)
@@ -1141,6 +1261,14 @@ void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
 	if (manual_update && dss_has_feature(FEAT_OMAP3_DSI_FIFO_BUG)) {
 		*fifo_low = ovl_fifo_size - burst_size * 2;
 		*fifo_high = total_fifo_size - burst_size;
+	} else if (plane == OMAP_DSS_WB) {
+		/*
+		 * Most optimal configuration for writeback is to push out data
+		 * to the interconnect the moment writeback pushes enough pixels
+		 * in the FIFO to form a burst
+		 */
+		*fifo_low = 0;
+		*fifo_high = burst_size;
 	} else {
 		*fifo_low = ovl_fifo_size - burst_size;
 		*fifo_high = total_fifo_size - buf_unit;
@@ -1383,6 +1511,7 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane plane,
 {
 	int scale_x = out_width != orig_width;
 	int scale_y = out_height != orig_height;
+	bool chroma_upscale = plane != OMAP_DSS_WB ? true : false;
 
 	if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE))
 		return;
@@ -1390,7 +1519,8 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane plane,
 			color_mode != OMAP_DSS_COLOR_UYVY &&
 			color_mode != OMAP_DSS_COLOR_NV12)) {
 		/* reset chroma resampling for RGB formats  */
-		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8);
+		if (plane != OMAP_DSS_WB)
+			REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8);
 		return;
 	}
 
@@ -1399,23 +1529,34 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane plane,
 
 	switch (color_mode) {
 	case OMAP_DSS_COLOR_NV12:
-		/* UV is subsampled by 2 vertically*/
-		orig_height >>= 1;
-		/* UV is subsampled by 2 horz.*/
-		orig_width >>= 1;
+		if (chroma_upscale) {
+			/* UV is subsampled by 2 horizontally and vertically */
+			orig_height >>= 1;
+			orig_width >>= 1;
+		} else {
+			/* UV is downsampled by 2 horizontally and vertically */
+			orig_height <<= 1;
+			orig_width <<= 1;
+		}
+
 		break;
 	case OMAP_DSS_COLOR_YUV2:
 	case OMAP_DSS_COLOR_UYVY:
-		/*For YUV422 with 90/270 rotation,
-		 *we don't upsample chroma
-		 */
+		/* For YUV422 with 90/270 rotation, we don't upsample chroma */
 		if (rotation == OMAP_DSS_ROT_0 ||
-			rotation == OMAP_DSS_ROT_180)
-			/* UV is subsampled by 2 hrz*/
-			orig_width >>= 1;
+				rotation == OMAP_DSS_ROT_180) {
+			if (chroma_upscale)
+				/* UV is subsampled by 2 horizontally */
+				orig_width >>= 1;
+			else
+				/* UV is downsampled by 2 horizontally */
+				orig_width <<= 1;
+		}
+
 		/* must use FIR for YUV422 if rotated */
 		if (rotation != OMAP_DSS_ROT_0)
 			scale_x = scale_y = true;
+
 		break;
 	default:
 		BUG();
@@ -1431,8 +1572,10 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane plane,
 			out_width, out_height, five_taps,
 				rotation, DISPC_COLOR_COMPONENT_UV);
 
-	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane),
-		(scale_x || scale_y) ? 1 : 0, 8, 8);
+	if (plane != OMAP_DSS_WB)
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane),
+			(scale_x || scale_y) ? 1 : 0, 8, 8);
+
 	/* set H scaling */
 	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_x ? 1 : 0, 5, 5);
 	/* set V scaling */
@@ -1848,22 +1991,19 @@ static void calc_tiler_rotation_offset(u16 screen_width, u16 width,
  * This function is used to avoid synclosts in OMAP3, because of some
  * undocumented horizontal position and timing related limitations.
  */
-static int check_horiz_timing_omap3(enum omap_channel channel,
+static int check_horiz_timing_omap3(enum omap_plane plane,
 		const struct omap_video_timings *t, u16 pos_x,
 		u16 width, u16 height, u16 out_width, u16 out_height)
 {
 	int DS = DIV_ROUND_UP(height, out_height);
-	unsigned long nonactive, lclk, pclk;
+	unsigned long nonactive;
 	static const u8 limits[3] = { 8, 10, 20 };
 	u64 val, blank;
+	unsigned long pclk = dispc_plane_pclk_rate(plane);
+	unsigned long lclk = dispc_plane_lclk_rate(plane);
 	int i;
 
 	nonactive = t->x_res + t->hfp + t->hsw + t->hbp - out_width;
-	pclk = dispc_mgr_pclk_rate(channel);
-	if (dss_mgr_is_lcd(channel))
-		lclk = dispc_mgr_lclk_rate(channel);
-	else
-		lclk = dispc_fclk_rate();
 
 	i = 0;
 	if (out_height < height)
@@ -1900,13 +2040,14 @@ static int check_horiz_timing_omap3(enum omap_channel channel,
 	return 0;
 }
 
-static unsigned long calc_core_clk_five_taps(enum omap_channel channel,
+static unsigned long calc_core_clk_five_taps(enum omap_plane plane,
 		const struct omap_video_timings *mgr_timings, u16 width,
 		u16 height, u16 out_width, u16 out_height,
 		enum omap_color_mode color_mode)
 {
 	u32 core_clk = 0;
-	u64 tmp, pclk = dispc_mgr_pclk_rate(channel);
+	u64 tmp;
+	unsigned long pclk = dispc_plane_pclk_rate(plane);
 
 	if (height <= out_height && width <= out_width)
 		return (unsigned long) pclk;
@@ -1940,11 +2081,22 @@ static unsigned long calc_core_clk_five_taps(enum omap_channel channel,
 	return core_clk;
 }
 
-static unsigned long calc_core_clk(enum omap_channel channel, u16 width,
-		u16 height, u16 out_width, u16 out_height)
+static unsigned long calc_core_clk_24xx(enum omap_plane plane, u16 width,
+		u16 height, u16 out_width, u16 out_height, bool mem_to_mem)
+{
+	unsigned long pclk = dispc_plane_pclk_rate(plane);
+
+	if (height > out_height && width > out_width)
+		return pclk * 4;
+	else
+		return pclk * 2;
+}
+
+static unsigned long calc_core_clk_34xx(enum omap_plane plane, u16 width,
+		u16 height, u16 out_width, u16 out_height, bool mem_to_mem)
 {
 	unsigned int hf, vf;
-	unsigned long pclk = dispc_mgr_pclk_rate(channel);
+	unsigned long pclk = dispc_plane_pclk_rate(plane);
 
 	/*
 	 * FIXME how to determine the 'A' factor
@@ -1959,51 +2111,207 @@ static unsigned long calc_core_clk(enum omap_channel channel, u16 width,
 		hf = 2;
 	else
 		hf = 1;
-
 	if (height > out_height)
 		vf = 2;
 	else
 		vf = 1;
 
-	if (cpu_is_omap24xx()) {
-		if (vf > 1 && hf > 1)
-			return pclk * 4;
-		else
-			return pclk * 2;
-	} else if (cpu_is_omap34xx()) {
-		return pclk * vf * hf;
-	} else {
-		if (hf > 1)
-			return DIV_ROUND_UP(pclk, out_width) * width;
-		else
-			return pclk;
+	return pclk * vf * hf;
+}
+
+static unsigned long calc_core_clk_44xx(enum omap_plane plane, u16 width,
+		u16 height, u16 out_width, u16 out_height, bool mem_to_mem)
+{
+	unsigned long pclk;
+
+	/*
+	 * If the overlay/writeback is in mem to mem mode, there are no
+	 * downscaling limitations with respect to pixel clock, return 1 as
+	 * required core clock to represent that we have sufficient enough
+	 * core clock to do maximum downscaling
+	 */
+	if (mem_to_mem)
+		return 1;
+
+	pclk = dispc_plane_pclk_rate(plane);
+
+	if (width > out_width)
+		return DIV_ROUND_UP(pclk, out_width) * width;
+	else
+		return pclk;
+}
+
+static int dispc_ovl_calc_scaling_24xx(enum omap_plane plane,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+{
+	int error;
+	u16 in_width, in_height;
+	int min_factor = min(*decim_x, *decim_y);
+	const int maxsinglelinewidth =
+			dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+
+	*five_taps = false;
+
+	do {
+		in_height = DIV_ROUND_UP(height, *decim_y);
+		in_width = DIV_ROUND_UP(width, *decim_x);
+		*core_clk = dispc.feat->calc_core_clk(plane, in_width,
+				in_height, out_width, out_height, mem_to_mem);
+		error = (in_width > maxsinglelinewidth || !*core_clk ||
+			*core_clk > dispc_core_clk_rate());
+		if (error) {
+			if (*decim_x == *decim_y) {
+				*decim_x = min_factor;
+				++*decim_y;
+			} else {
+				swap(*decim_x, *decim_y);
+				if (*decim_x < *decim_y)
+					++*decim_x;
+			}
+		}
+	} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
+
+	if (in_width > maxsinglelinewidth) {
+		DSSERR("Cannot scale max input width exceeded");
+		return -EINVAL;
 	}
+	return 0;
 }
 
-static int dispc_ovl_calc_scaling(enum omap_plane plane,
-		enum omap_channel channel,
+static int dispc_ovl_calc_scaling_34xx(enum omap_plane plane,
 		const struct omap_video_timings *mgr_timings,
 		u16 width, u16 height, u16 out_width, u16 out_height,
 		enum omap_color_mode color_mode, bool *five_taps,
-		int *x_predecim, int *y_predecim, u16 pos_x)
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
 {
-	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
-	const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
+	int error;
+	u16 in_width, in_height;
+	int min_factor = min(*decim_x, *decim_y);
+	const int maxsinglelinewidth =
+			dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+
+	do {
+		in_height = DIV_ROUND_UP(height, *decim_y);
+		in_width = DIV_ROUND_UP(width, *decim_x);
+		*core_clk = calc_core_clk_five_taps(plane, mgr_timings,
+			in_width, in_height, out_width, out_height, color_mode);
+
+		error = check_horiz_timing_omap3(plane, mgr_timings,
+				pos_x, in_width, in_height, out_width,
+				out_height);
+
+		if (in_width > maxsinglelinewidth)
+			if (in_height > out_height &&
+						in_height < out_height * 2)
+				*five_taps = false;
+		if (!*five_taps)
+			*core_clk = dispc.feat->calc_core_clk(plane, in_width,
+					in_height, out_width, out_height,
+					mem_to_mem);
+
+		error = (error || in_width > maxsinglelinewidth * 2 ||
+			(in_width > maxsinglelinewidth && *five_taps) ||
+			!*core_clk || *core_clk > dispc_core_clk_rate());
+		if (error) {
+			if (*decim_x == *decim_y) {
+				*decim_x = min_factor;
+				++*decim_y;
+			} else {
+				swap(*decim_x, *decim_y);
+				if (*decim_x < *decim_y)
+					++*decim_x;
+			}
+		}
+	} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
+
+	if (check_horiz_timing_omap3(plane, mgr_timings, pos_x, width, height,
+		out_width, out_height)){
+			DSSERR("horizontal timing too tight\n");
+			return -EINVAL;
+	}
+
+	if (in_width > (maxsinglelinewidth * 2)) {
+		DSSERR("Cannot setup scaling");
+		DSSERR("width exceeds maximum width possible");
+		return -EINVAL;
+	}
+
+	if (in_width > maxsinglelinewidth && *five_taps) {
+		DSSERR("cannot setup scaling with five taps");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int dispc_ovl_calc_scaling_44xx(enum omap_plane plane,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+{
+	u16 in_width, in_width_max;
+	int decim_x_min = *decim_x;
+	u16 in_height = DIV_ROUND_UP(height, *decim_y);
 	const int maxsinglelinewidth =
 				dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+	unsigned long pclk = dispc_plane_pclk_rate(plane);
+	const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
+
+	if (mem_to_mem)
+		in_width_max = DIV_ROUND_UP(out_width, maxdownscale);
+	else
+		in_width_max = dispc_core_clk_rate() /
+					DIV_ROUND_UP(pclk, out_width);
+
+	*decim_x = DIV_ROUND_UP(width, in_width_max);
+
+	*decim_x = *decim_x > decim_x_min ? *decim_x : decim_x_min;
+	if (*decim_x > *x_predecim)
+		return -EINVAL;
+
+	do {
+		in_width = DIV_ROUND_UP(width, *decim_x);
+	} while (*decim_x <= *x_predecim &&
+			in_width > maxsinglelinewidth && ++*decim_x);
+
+	if (in_width > maxsinglelinewidth) {
+		DSSERR("Cannot scale width exceeds max line width");
+		return -EINVAL;
+	}
+
+	*core_clk = dispc.feat->calc_core_clk(plane, in_width, in_height,
+				out_width, out_height, mem_to_mem);
+	return 0;
+}
+
+static int dispc_ovl_calc_scaling(enum omap_plane plane,
+		enum omap_overlay_caps caps,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, u16 pos_x,
+		enum omap_dss_rotation_type rotation_type, bool mem_to_mem)
+{
+	const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
 	const int max_decim_limit = 16;
 	unsigned long core_clk = 0;
-	int decim_x, decim_y, error, min_factor;
-	u16 in_width, in_height, in_width_max = 0;
+	int decim_x, decim_y, ret;
 
 	if (width == out_width && height == out_height)
 		return 0;
 
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0)
+	if ((caps & OMAP_DSS_OVL_CAP_SCALE) == 0)
 		return -EINVAL;
 
 	*x_predecim = max_decim_limit;
-	*y_predecim = max_decim_limit;
+	*y_predecim = (rotation_type == OMAP_DSS_ROT_TILER &&
+			dss_has_feature(FEAT_BURST_2D)) ? 2 : max_decim_limit;
 
 	if (color_mode == OMAP_DSS_COLOR_CLUT1 ||
 	    color_mode == OMAP_DSS_COLOR_CLUT2 ||
@@ -2018,118 +2326,18 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
 	decim_x = DIV_ROUND_UP(DIV_ROUND_UP(width, out_width), maxdownscale);
 	decim_y = DIV_ROUND_UP(DIV_ROUND_UP(height, out_height), maxdownscale);
 
-	min_factor = min(decim_x, decim_y);
-
 	if (decim_x > *x_predecim || out_width > width * 8)
 		return -EINVAL;
 
 	if (decim_y > *y_predecim || out_height > height * 8)
 		return -EINVAL;
 
-	if (cpu_is_omap24xx()) {
-		*five_taps = false;
-
-		do {
-			in_height = DIV_ROUND_UP(height, decim_y);
-			in_width = DIV_ROUND_UP(width, decim_x);
-			core_clk = calc_core_clk(channel, in_width, in_height,
-					out_width, out_height);
-			error = (in_width > maxsinglelinewidth || !core_clk ||
-				core_clk > dispc_core_clk_rate());
-			if (error) {
-				if (decim_x == decim_y) {
-					decim_x = min_factor;
-					decim_y++;
-				} else {
-					swap(decim_x, decim_y);
-					if (decim_x < decim_y)
-						decim_x++;
-				}
-			}
-		} while (decim_x <= *x_predecim && decim_y <= *y_predecim &&
-				error);
-
-		if (in_width > maxsinglelinewidth) {
-			DSSERR("Cannot scale max input width exceeded");
-			return -EINVAL;
-		}
-	} else if (cpu_is_omap34xx()) {
-
-		do {
-			in_height = DIV_ROUND_UP(height, decim_y);
-			in_width = DIV_ROUND_UP(width, decim_x);
-			core_clk = calc_core_clk_five_taps(channel, mgr_timings,
-				in_width, in_height, out_width, out_height,
-				color_mode);
-
-			error = check_horiz_timing_omap3(channel, mgr_timings,
-				pos_x, in_width, in_height, out_width,
-				out_height);
-
-			if (in_width > maxsinglelinewidth)
-				if (in_height > out_height &&
-					in_height < out_height * 2)
-					*five_taps = false;
-			if (!*five_taps)
-				core_clk = calc_core_clk(channel, in_width,
-					in_height, out_width, out_height);
-			error = (error || in_width > maxsinglelinewidth * 2 ||
-				(in_width > maxsinglelinewidth && *five_taps) ||
-				!core_clk || core_clk > dispc_core_clk_rate());
-			if (error) {
-				if (decim_x == decim_y) {
-					decim_x = min_factor;
-					decim_y++;
-				} else {
-					swap(decim_x, decim_y);
-					if (decim_x < decim_y)
-						decim_x++;
-				}
-			}
-		} while (decim_x <= *x_predecim && decim_y <= *y_predecim
-			&& error);
-
-		if (check_horiz_timing_omap3(channel, mgr_timings, pos_x, width,
-			height, out_width, out_height)){
-				DSSERR("horizontal timing too tight\n");
-				return -EINVAL;
-		}
-
-		if (in_width > (maxsinglelinewidth * 2)) {
-			DSSERR("Cannot setup scaling");
-			DSSERR("width exceeds maximum width possible");
-			return -EINVAL;
-		}
-
-		if (in_width > maxsinglelinewidth && *five_taps) {
-			DSSERR("cannot setup scaling with five taps");
-			return -EINVAL;
-		}
-	} else {
-		int decim_x_min = decim_x;
-		in_height = DIV_ROUND_UP(height, decim_y);
-		in_width_max = dispc_core_clk_rate() /
-				DIV_ROUND_UP(dispc_mgr_pclk_rate(channel),
-						out_width);
-		decim_x = DIV_ROUND_UP(width, in_width_max);
-
-		decim_x = decim_x > decim_x_min ? decim_x : decim_x_min;
-		if (decim_x > *x_predecim)
-			return -EINVAL;
-
-		do {
-			in_width = DIV_ROUND_UP(width, decim_x);
-		} while (decim_x <= *x_predecim &&
-				in_width > maxsinglelinewidth && decim_x++);
-
-		if (in_width > maxsinglelinewidth) {
-			DSSERR("Cannot scale width exceeds max line width");
-			return -EINVAL;
-		}
-
-		core_clk = calc_core_clk(channel, in_width, in_height,
-				out_width, out_height);
-	}
+	ret = dispc.feat->calc_scaling(plane, mgr_timings, width, height,
+		out_width, out_height, color_mode, five_taps,
+		x_predecim, y_predecim, &decim_x, &decim_y, pos_x, &core_clk,
+		mem_to_mem);
+	if (ret)
+		return ret;
 
 	DSSDBG("required core clk rate = %lu Hz\n", core_clk);
 	DSSDBG("current core clk rate = %lu Hz\n", dispc_core_clk_rate());
@@ -2147,69 +2355,64 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
 	return 0;
 }
 
-int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
-		bool replication, const struct omap_video_timings *mgr_timings)
+static int dispc_ovl_setup_common(enum omap_plane plane,
+		enum omap_overlay_caps caps, u32 paddr, u32 p_uv_addr,
+		u16 screen_width, int pos_x, int pos_y, u16 width, u16 height,
+		u16 out_width, u16 out_height, enum omap_color_mode color_mode,
+		u8 rotation, bool mirror, u8 zorder, u8 pre_mult_alpha,
+		u8 global_alpha, enum omap_dss_rotation_type rotation_type,
+		bool replication, const struct omap_video_timings *mgr_timings,
+		bool mem_to_mem)
 {
-	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
 	bool five_taps = true;
 	bool fieldmode = 0;
 	int r, cconv = 0;
 	unsigned offset0, offset1;
 	s32 row_inc;
 	s32 pix_inc;
-	u16 frame_height = oi->height;
+	u16 frame_height = height;
 	unsigned int field_offset = 0;
-	u16 in_height = oi->height;
-	u16 in_width = oi->width;
-	u16 out_width, out_height;
-	enum omap_channel channel;
+	u16 in_height = height;
+	u16 in_width = width;
 	int x_predecim = 1, y_predecim = 1;
 	bool ilace = mgr_timings->interlace;
 
-	channel = dispc_ovl_get_channel_out(plane);
-
-	DSSDBG("dispc_ovl_setup %d, pa %x, pa_uv %x, sw %d, %d,%d, %dx%d -> "
-		"%dx%d, cmode %x, rot %d, mir %d, ilace %d chan %d repl %d\n",
-		plane, oi->paddr, oi->p_uv_addr,
-		oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height,
-		oi->out_width, oi->out_height, oi->color_mode, oi->rotation,
-		oi->mirror, ilace, channel, replication);
-
-	if (oi->paddr == 0)
+	if (paddr == 0)
 		return -EINVAL;
 
-	out_width = oi->out_width == 0 ? oi->width : oi->out_width;
-	out_height = oi->out_height == 0 ? oi->height : oi->out_height;
+	out_width = out_width == 0 ? width : out_width;
+	out_height = out_height == 0 ? height : out_height;
 
-	if (ilace && oi->height == out_height)
+	if (ilace && height == out_height)
 		fieldmode = 1;
 
 	if (ilace) {
 		if (fieldmode)
 			in_height /= 2;
-		oi->pos_y /= 2;
+		pos_y /= 2;
 		out_height /= 2;
 
 		DSSDBG("adjusting for ilace: height %d, pos_y %d, "
-				"out_height %d\n",
-				in_height, oi->pos_y, out_height);
+			"out_height %d\n", in_height, pos_y,
+			out_height);
 	}
 
-	if (!dss_feat_color_mode_supported(plane, oi->color_mode))
+	if (!dss_feat_color_mode_supported(plane, color_mode))
 		return -EINVAL;
 
-	r = dispc_ovl_calc_scaling(plane, channel, mgr_timings, in_width,
-			in_height, out_width, out_height, oi->color_mode,
-			&five_taps, &x_predecim, &y_predecim, oi->pos_x);
+	r = dispc_ovl_calc_scaling(plane, caps, mgr_timings, in_width,
+			in_height, out_width, out_height, color_mode,
+			&five_taps, &x_predecim, &y_predecim, pos_x,
+			rotation_type, mem_to_mem);
 	if (r)
 		return r;
 
 	in_width = DIV_ROUND_UP(in_width, x_predecim);
 	in_height = DIV_ROUND_UP(in_height, y_predecim);
 
-	if (oi->color_mode == OMAP_DSS_COLOR_YUV2 ||
-			oi->color_mode == OMAP_DSS_COLOR_UYVY ||
-			oi->color_mode == OMAP_DSS_COLOR_NV12)
+	if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY ||
+			color_mode == OMAP_DSS_COLOR_NV12)
 		cconv = 1;
 
 	if (ilace && !fieldmode) {
@@ -2235,70 +2438,144 @@ int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
 	row_inc = 0;
 	pix_inc = 0;
 
-	if (oi->rotation_type == OMAP_DSS_ROT_TILER)
-		calc_tiler_rotation_offset(oi->screen_width, in_width,
-				oi->color_mode, fieldmode, field_offset,
+	if (rotation_type == OMAP_DSS_ROT_TILER)
+		calc_tiler_rotation_offset(screen_width, in_width,
+				color_mode, fieldmode, field_offset,
 				&offset0, &offset1, &row_inc, &pix_inc,
 				x_predecim, y_predecim);
-	else if (oi->rotation_type == OMAP_DSS_ROT_DMA)
-		calc_dma_rotation_offset(oi->rotation, oi->mirror,
-				oi->screen_width, in_width, frame_height,
-				oi->color_mode, fieldmode, field_offset,
+	else if (rotation_type == OMAP_DSS_ROT_DMA)
+		calc_dma_rotation_offset(rotation, mirror,
+				screen_width, in_width, frame_height,
+				color_mode, fieldmode, field_offset,
 				&offset0, &offset1, &row_inc, &pix_inc,
 				x_predecim, y_predecim);
 	else
-		calc_vrfb_rotation_offset(oi->rotation, oi->mirror,
-				oi->screen_width, in_width, frame_height,
-				oi->color_mode, fieldmode, field_offset,
+		calc_vrfb_rotation_offset(rotation, mirror,
+				screen_width, in_width, frame_height,
+				color_mode, fieldmode, field_offset,
 				&offset0, &offset1, &row_inc, &pix_inc,
 				x_predecim, y_predecim);
 
 	DSSDBG("offset0 %u, offset1 %u, row_inc %d, pix_inc %d\n",
 			offset0, offset1, row_inc, pix_inc);
 
-	dispc_ovl_set_color_mode(plane, oi->color_mode);
+	dispc_ovl_set_color_mode(plane, color_mode);
 
-	dispc_ovl_configure_burst_type(plane, oi->rotation_type);
+	dispc_ovl_configure_burst_type(plane, rotation_type);
 
-	dispc_ovl_set_ba0(plane, oi->paddr + offset0);
-	dispc_ovl_set_ba1(plane, oi->paddr + offset1);
+	dispc_ovl_set_ba0(plane, paddr + offset0);
+	dispc_ovl_set_ba1(plane, paddr + offset1);
 
-	if (OMAP_DSS_COLOR_NV12 == oi->color_mode) {
-		dispc_ovl_set_ba0_uv(plane, oi->p_uv_addr + offset0);
-		dispc_ovl_set_ba1_uv(plane, oi->p_uv_addr + offset1);
+	if (OMAP_DSS_COLOR_NV12 == color_mode) {
+		dispc_ovl_set_ba0_uv(plane, p_uv_addr + offset0);
+		dispc_ovl_set_ba1_uv(plane, p_uv_addr + offset1);
 	}
 
-
 	dispc_ovl_set_row_inc(plane, row_inc);
 	dispc_ovl_set_pix_inc(plane, pix_inc);
 
-	DSSDBG("%d,%d %dx%d -> %dx%d\n", oi->pos_x, oi->pos_y, in_width,
+	DSSDBG("%d,%d %dx%d -> %dx%d\n", pos_x, pos_y, in_width,
 			in_height, out_width, out_height);
 
-	dispc_ovl_set_pos(plane, oi->pos_x, oi->pos_y);
+	dispc_ovl_set_pos(plane, caps, pos_x, pos_y);
 
-	dispc_ovl_set_pic_size(plane, in_width, in_height);
+	dispc_ovl_set_input_size(plane, in_width, in_height);
 
-	if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) {
+	if (caps & OMAP_DSS_OVL_CAP_SCALE) {
 		dispc_ovl_set_scaling(plane, in_width, in_height, out_width,
 				   out_height, ilace, five_taps, fieldmode,
-				   oi->color_mode, oi->rotation);
-		dispc_ovl_set_vid_size(plane, out_width, out_height);
+				   color_mode, rotation);
+		dispc_ovl_set_output_size(plane, out_width, out_height);
 		dispc_ovl_set_vid_color_conv(plane, cconv);
 	}
 
-	dispc_ovl_set_rotation_attrs(plane, oi->rotation, oi->mirror,
-			oi->color_mode);
+	dispc_ovl_set_rotation_attrs(plane, rotation, mirror, color_mode);
 
-	dispc_ovl_set_zorder(plane, oi->zorder);
-	dispc_ovl_set_pre_mult_alpha(plane, oi->pre_mult_alpha);
-	dispc_ovl_setup_global_alpha(plane, oi->global_alpha);
+	dispc_ovl_set_zorder(plane, caps, zorder);
+	dispc_ovl_set_pre_mult_alpha(plane, caps, pre_mult_alpha);
+	dispc_ovl_setup_global_alpha(plane, caps, global_alpha);
 
-	dispc_ovl_enable_replication(plane, replication);
+	dispc_ovl_enable_replication(plane, caps, replication);
 
 	return 0;
 }
 
+int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
+		bool replication, const struct omap_video_timings *mgr_timings,
+		bool mem_to_mem)
+{
+	int r;
+	struct omap_overlay *ovl = omap_dss_get_overlay(plane);
+	enum omap_channel channel;
+
+	channel = dispc_ovl_get_channel_out(plane);
+
+	DSSDBG("dispc_ovl_setup %d, pa %x, pa_uv %x, sw %d, %d,%d, %dx%d -> "
+		"%dx%d, cmode %x, rot %d, mir %d, chan %d repl %d\n",
+		plane, oi->paddr, oi->p_uv_addr, oi->screen_width, oi->pos_x,
+		oi->pos_y, oi->width, oi->height, oi->out_width, oi->out_height,
+		oi->color_mode, oi->rotation, oi->mirror, channel, replication);
+
+	r = dispc_ovl_setup_common(plane, ovl->caps, oi->paddr, oi->p_uv_addr,
+		oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height,
+		oi->out_width, oi->out_height, oi->color_mode, oi->rotation,
+		oi->mirror, oi->zorder, oi->pre_mult_alpha, oi->global_alpha,
+		oi->rotation_type, replication, mgr_timings, mem_to_mem);
+
+	return r;
+}
+
+int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
+		bool mem_to_mem, const struct omap_video_timings *mgr_timings)
+{
+	int r;
+	u32 l;
+	enum omap_plane plane = OMAP_DSS_WB;
+	const int pos_x = 0, pos_y = 0;
+	const u8 zorder = 0, global_alpha = 0;
+	const bool replication = false;
+	bool truncation;
+	int in_width = mgr_timings->x_res;
+	int in_height = mgr_timings->y_res;
+	enum omap_overlay_caps caps =
+		OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA;
+
+	DSSDBG("dispc_wb_setup, pa %x, pa_uv %x, %d,%d -> %dx%d, cmode %x, "
+		"rot %d, mir %d\n", wi->paddr, wi->p_uv_addr, in_width,
+		in_height, wi->width, wi->height, wi->color_mode, wi->rotation,
+		wi->mirror);
+
+	r = dispc_ovl_setup_common(plane, caps, wi->paddr, wi->p_uv_addr,
+		wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width,
+		wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder,
+		wi->pre_mult_alpha, global_alpha, wi->rotation_type,
+		replication, mgr_timings, mem_to_mem);
+
+	switch (wi->color_mode) {
+	case OMAP_DSS_COLOR_RGB16:
+	case OMAP_DSS_COLOR_RGB24P:
+	case OMAP_DSS_COLOR_ARGB16:
+	case OMAP_DSS_COLOR_RGBA16:
+	case OMAP_DSS_COLOR_RGB12U:
+	case OMAP_DSS_COLOR_ARGB16_1555:
+	case OMAP_DSS_COLOR_XRGB16_1555:
+	case OMAP_DSS_COLOR_RGBX16:
+		truncation = true;
+		break;
+	default:
+		truncation = false;
+		break;
+	}
+
+	/* setup extra DISPC_WB_ATTRIBUTES */
+	l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+	l = FLD_MOD(l, truncation, 10, 10);	/* TRUNCATIONENABLE */
+	l = FLD_MOD(l, mem_to_mem, 19, 19);	/* WRITEBACKMODE */
+	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
+
+	return r;
+}
+
 int dispc_ovl_enable(enum omap_plane plane, bool enable)
 {
 	DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
@@ -2451,6 +2728,47 @@ void dispc_mgr_enable(enum omap_channel channel, bool enable)
 		BUG();
 }
 
+void dispc_wb_enable(bool enable)
+{
+	enum omap_plane plane = OMAP_DSS_WB;
+	struct completion frame_done_completion;
+	bool is_on;
+	int r;
+	u32 irq;
+
+	is_on = REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0);
+	irq = DISPC_IRQ_FRAMEDONEWB;
+
+	if (!enable && is_on) {
+		init_completion(&frame_done_completion);
+
+		r = omap_dispc_register_isr(dispc_disable_isr,
+				&frame_done_completion, irq);
+		if (r)
+			DSSERR("failed to register FRAMEDONEWB isr\n");
+	}
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 0, 0);
+
+	if (!enable && is_on) {
+		if (!wait_for_completion_timeout(&frame_done_completion,
+					msecs_to_jiffies(100)))
+			DSSERR("timeout waiting for FRAMEDONEWB\n");
+
+		r = omap_dispc_unregister_isr(dispc_disable_isr,
+				&frame_done_completion, irq);
+		if (r)
+			DSSERR("failed to unregister FRAMEDONEWB isr\n");
+	}
+}
+
+bool dispc_wb_is_enabled(void)
+{
+	enum omap_plane plane = OMAP_DSS_WB;
+
+	return REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0);
+}
+
 void dispc_lcd_enable_signal_polarity(bool act_high)
 {
 	if (!dss_has_feature(FEAT_LCDENABLEPOL))
@@ -2605,24 +2923,13 @@ static bool _dispc_mgr_size_ok(u16 width, u16 height)
 static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp,
 		int vsw, int vfp, int vbp)
 {
-	if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) {
-		if (hsw < 1 || hsw > 64 ||
-				hfp < 1 || hfp > 256 ||
-				hbp < 1 || hbp > 256 ||
-				vsw < 1 || vsw > 64 ||
-				vfp < 0 || vfp > 255 ||
-				vbp < 0 || vbp > 255)
-			return false;
-	} else {
-		if (hsw < 1 || hsw > 256 ||
-				hfp < 1 || hfp > 4096 ||
-				hbp < 1 || hbp > 4096 ||
-				vsw < 1 || vsw > 256 ||
-				vfp < 0 || vfp > 4095 ||
-				vbp < 0 || vbp > 4095)
-			return false;
-	}
-
+	if (hsw < 1 || hsw > dispc.feat->sw_max ||
+			hfp < 1 || hfp > dispc.feat->hp_max ||
+			hbp < 1 || hbp > dispc.feat->hp_max ||
+			vsw < 1 || vsw > dispc.feat->sw_max ||
+			vfp < 0 || vfp > dispc.feat->vp_max ||
+			vbp < 0 || vbp > dispc.feat->vp_max)
+		return false;
 	return true;
 }
 
@@ -2654,19 +2961,12 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw,
 	u32 timing_h, timing_v, l;
 	bool onoff, rf, ipc;
 
-	if (cpu_is_omap24xx() || omap_rev() < OMAP3430_REV_ES3_0) {
-		timing_h = FLD_VAL(hsw-1, 5, 0) | FLD_VAL(hfp-1, 15, 8) |
-			FLD_VAL(hbp-1, 27, 20);
-
-		timing_v = FLD_VAL(vsw-1, 5, 0) | FLD_VAL(vfp, 15, 8) |
-			FLD_VAL(vbp, 27, 20);
-	} else {
-		timing_h = FLD_VAL(hsw-1, 7, 0) | FLD_VAL(hfp-1, 19, 8) |
-			FLD_VAL(hbp-1, 31, 20);
-
-		timing_v = FLD_VAL(vsw-1, 7, 0) | FLD_VAL(vfp, 19, 8) |
-			FLD_VAL(vbp, 31, 20);
-	}
+	timing_h = FLD_VAL(hsw-1, dispc.feat->sw_start, 0) |
+			FLD_VAL(hfp-1, dispc.feat->fp_start, 8) |
+			FLD_VAL(hbp-1, dispc.feat->bp_start, 20);
+	timing_v = FLD_VAL(vsw-1, dispc.feat->sw_start, 0) |
+			FLD_VAL(vfp, dispc.feat->fp_start, 8) |
+			FLD_VAL(vbp, dispc.feat->bp_start, 20);
 
 	dispc_write_reg(DISPC_TIMING_H(channel), timing_h);
 	dispc_write_reg(DISPC_TIMING_V(channel), timing_v);
@@ -2872,6 +3172,23 @@ unsigned long dispc_core_clk_rate(void)
 	return fclk / lcd;
 }
 
+static unsigned long dispc_plane_pclk_rate(enum omap_plane plane)
+{
+	enum omap_channel channel = dispc_ovl_get_channel_out(plane);
+
+	return dispc_mgr_pclk_rate(channel);
+}
+
+static unsigned long dispc_plane_lclk_rate(enum omap_plane plane)
+{
+	enum omap_channel channel = dispc_ovl_get_channel_out(plane);
+
+	if (dss_mgr_is_lcd(channel))
+		return dispc_mgr_lclk_rate(channel);
+	else
+		return dispc_fclk_rate();
+
+}
 static void dispc_dump_clocks_channel(struct seq_file *s, enum omap_channel channel)
 {
 	int lcd, pcd;
@@ -3492,7 +3809,7 @@ static void dispc_error_worker(struct work_struct *work)
 					ovl->name);
 			dispc_ovl_enable(ovl->id, false);
 			dispc_mgr_go(ovl->manager->id);
-			mdelay(50);
+			msleep(50);
 		}
 	}
 
@@ -3504,7 +3821,7 @@ static void dispc_error_worker(struct work_struct *work)
 		bit = mgr_desc[i].sync_lost_irq;
 
 		if (bit & errors) {
-			struct omap_dss_device *dssdev = mgr->device;
+			struct omap_dss_device *dssdev = mgr->get_device(mgr);
 			bool enable;
 
 			DSSERR("SYNC_LOST on channel %s, restarting the output "
@@ -3524,7 +3841,7 @@ static void dispc_error_worker(struct work_struct *work)
 			}
 
 			dispc_mgr_go(mgr->id);
-			mdelay(50);
+			msleep(50);
 
 			if (enable)
 				dssdev->driver->enable(dssdev);
@@ -3535,9 +3852,13 @@ static void dispc_error_worker(struct work_struct *work)
 		DSSERR("OCP_ERR\n");
 		for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
 			struct omap_overlay_manager *mgr;
+			struct omap_dss_device *dssdev;
+
 			mgr = omap_dss_get_overlay_manager(i);
-			if (mgr->device && mgr->device->driver)
-				mgr->device->driver->disable(mgr->device);
+			dssdev = mgr->get_device(mgr);
+
+			if (dssdev && dssdev->driver)
+				dssdev->driver->disable(dssdev);
 		}
 	}
 
@@ -3661,17 +3982,98 @@ static void _omap_dispc_initial_config(void)
 	if (dss_has_feature(FEAT_FUNCGATED))
 		REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9);
 
-	_dispc_setup_color_conv_coef();
+	dispc_setup_color_conv_coef();
 
 	dispc_set_loadmode(OMAP_DSS_LOAD_FRAME_ONLY);
 
-	dispc_read_plane_fifo_sizes();
+	dispc_init_fifos();
 
 	dispc_configure_burst_sizes();
 
 	dispc_ovl_enable_zorder_planes();
 }
 
+static const struct dispc_features omap24xx_dispc_feats __initconst = {
+	.sw_start		=	5,
+	.fp_start		=	15,
+	.bp_start		=	27,
+	.sw_max			=	64,
+	.vp_max			=	255,
+	.hp_max			=	256,
+	.calc_scaling		=	dispc_ovl_calc_scaling_24xx,
+	.calc_core_clk		=	calc_core_clk_24xx,
+	.num_fifos		=	3,
+};
+
+static const struct dispc_features omap34xx_rev1_0_dispc_feats __initconst = {
+	.sw_start		=	5,
+	.fp_start		=	15,
+	.bp_start		=	27,
+	.sw_max			=	64,
+	.vp_max			=	255,
+	.hp_max			=	256,
+	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
+	.calc_core_clk		=	calc_core_clk_34xx,
+	.num_fifos		=	3,
+};
+
+static const struct dispc_features omap34xx_rev3_0_dispc_feats __initconst = {
+	.sw_start		=	7,
+	.fp_start		=	19,
+	.bp_start		=	31,
+	.sw_max			=	256,
+	.vp_max			=	4095,
+	.hp_max			=	4096,
+	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
+	.calc_core_clk		=	calc_core_clk_34xx,
+	.num_fifos		=	3,
+};
+
+static const struct dispc_features omap44xx_dispc_feats __initconst = {
+	.sw_start		=	7,
+	.fp_start		=	19,
+	.bp_start		=	31,
+	.sw_max			=	256,
+	.vp_max			=	4095,
+	.hp_max			=	4096,
+	.calc_scaling		=	dispc_ovl_calc_scaling_44xx,
+	.calc_core_clk		=	calc_core_clk_44xx,
+	.num_fifos		=	5,
+	.gfx_fifo_workaround	=	true,
+};
+
+static int __init dispc_init_features(struct device *dev)
+{
+	const struct dispc_features *src;
+	struct dispc_features *dst;
+
+	dst = devm_kzalloc(dev, sizeof(*dst), GFP_KERNEL);
+	if (!dst) {
+		dev_err(dev, "Failed to allocate DISPC Features\n");
+		return -ENOMEM;
+	}
+
+	if (cpu_is_omap24xx()) {
+		src = &omap24xx_dispc_feats;
+	} else if (cpu_is_omap34xx()) {
+		if (omap_rev() < OMAP3430_REV_ES3_0)
+			src = &omap34xx_rev1_0_dispc_feats;
+		else
+			src = &omap34xx_rev3_0_dispc_feats;
+	} else if (cpu_is_omap44xx()) {
+		src = &omap44xx_dispc_feats;
+	} else if (soc_is_omap54xx()) {
+		src = &omap44xx_dispc_feats;
+	} else {
+		return -ENODEV;
+	}
+
+	memcpy(dst, src, sizeof(*dst));
+	dispc.feat = dst;
+
+	return 0;
+}
+
 /* DISPC HW IP initialisation */
 static int __init omap_dispchw_probe(struct platform_device *pdev)
 {
@@ -3682,6 +4084,10 @@ static int __init omap_dispchw_probe(struct platform_device *pdev)
 
 	dispc.pdev = pdev;
 
+	r = dispc_init_features(&dispc.pdev->dev);
+	if (r)
+		return r;
+
 	spin_lock_init(&dispc.irq_lock);
 
 #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
diff --git a/drivers/video/omap2/dss/dispc.h b/drivers/video/omap2/dss/dispc.h
index 92d8a9be86f..222363c6e62 100644
--- a/drivers/video/omap2/dss/dispc.h
+++ b/drivers/video/omap2/dss/dispc.h
@@ -36,6 +36,7 @@
 #define DISPC_CONTROL2			0x0238
 #define DISPC_CONFIG2			0x0620
 #define DISPC_DIVISOR			0x0804
+#define DISPC_GLOBAL_BUFFER		0x0800
 #define DISPC_CONTROL3                  0x0848
 #define DISPC_CONFIG3                   0x084C
 
@@ -355,6 +356,8 @@ static inline u16 DISPC_OVL_BASE(enum omap_plane plane)
 		return 0x014C;
 	case OMAP_DSS_VIDEO3:
 		return 0x0300;
+	case OMAP_DSS_WB:
+		return 0x0500;
 	default:
 		BUG();
 		return 0;
@@ -370,6 +373,7 @@ static inline u16 DISPC_BA0_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0000;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0008;
 	default:
 		BUG();
@@ -385,6 +389,7 @@ static inline u16 DISPC_BA1_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0004;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x000C;
 	default:
 		BUG();
@@ -404,6 +409,8 @@ static inline u16 DISPC_BA0_UV_OFFSET(enum omap_plane plane)
 		return 0x04BC;
 	case OMAP_DSS_VIDEO3:
 		return 0x0310;
+	case OMAP_DSS_WB:
+		return 0x0118;
 	default:
 		BUG();
 		return 0;
@@ -422,6 +429,8 @@ static inline u16 DISPC_BA1_UV_OFFSET(enum omap_plane plane)
 		return 0x04C0;
 	case OMAP_DSS_VIDEO3:
 		return 0x0314;
+	case OMAP_DSS_WB:
+		return 0x011C;
 	default:
 		BUG();
 		return 0;
@@ -451,6 +460,7 @@ static inline u16 DISPC_SIZE_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x000C;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x00A8;
 	default:
 		BUG();
@@ -467,6 +477,7 @@ static inline u16 DISPC_ATTR_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0010;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0070;
 	default:
 		BUG();
@@ -486,6 +497,8 @@ static inline u16 DISPC_ATTR2_OFFSET(enum omap_plane plane)
 		return 0x04DC;
 	case OMAP_DSS_VIDEO3:
 		return 0x032C;
+	case OMAP_DSS_WB:
+		return 0x0310;
 	default:
 		BUG();
 		return 0;
@@ -501,6 +514,7 @@ static inline u16 DISPC_FIFO_THRESH_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0014;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x008C;
 	default:
 		BUG();
@@ -517,6 +531,7 @@ static inline u16 DISPC_FIFO_SIZE_STATUS_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0018;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0088;
 	default:
 		BUG();
@@ -533,6 +548,7 @@ static inline u16 DISPC_ROW_INC_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x001C;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x00A4;
 	default:
 		BUG();
@@ -549,6 +565,7 @@ static inline u16 DISPC_PIX_INC_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0020;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0098;
 	default:
 		BUG();
@@ -598,6 +615,7 @@ static inline u16 DISPC_FIR_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0024;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0090;
 	default:
 		BUG();
@@ -617,6 +635,8 @@ static inline u16 DISPC_FIR2_OFFSET(enum omap_plane plane)
 		return 0x055C;
 	case OMAP_DSS_VIDEO3:
 		return 0x0424;
+	case OMAP_DSS_WB:
+		return 0x290;
 	default:
 		BUG();
 		return 0;
@@ -633,6 +653,7 @@ static inline u16 DISPC_PIC_SIZE_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0028;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0094;
 	default:
 		BUG();
@@ -651,6 +672,7 @@ static inline u16 DISPC_ACCU0_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x002C;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0000;
 	default:
 		BUG();
@@ -670,6 +692,8 @@ static inline u16 DISPC_ACCU2_0_OFFSET(enum omap_plane plane)
 		return 0x0560;
 	case OMAP_DSS_VIDEO3:
 		return 0x0428;
+	case OMAP_DSS_WB:
+		return 0x0294;
 	default:
 		BUG();
 		return 0;
@@ -686,6 +710,7 @@ static inline u16 DISPC_ACCU1_OFFSET(enum omap_plane plane)
 	case OMAP_DSS_VIDEO2:
 		return 0x0030;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0004;
 	default:
 		BUG();
@@ -705,6 +730,8 @@ static inline u16 DISPC_ACCU2_1_OFFSET(enum omap_plane plane)
 		return 0x0564;
 	case OMAP_DSS_VIDEO3:
 		return 0x042C;
+	case OMAP_DSS_WB:
+		return 0x0298;
 	default:
 		BUG();
 		return 0;
@@ -722,6 +749,7 @@ static inline u16 DISPC_FIR_COEF_H_OFFSET(enum omap_plane plane, u16 i)
 	case OMAP_DSS_VIDEO2:
 		return 0x0034 + i * 0x8;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0010 + i * 0x8;
 	default:
 		BUG();
@@ -742,6 +770,8 @@ static inline u16 DISPC_FIR_COEF_H2_OFFSET(enum omap_plane plane, u16 i)
 		return 0x0568 + i * 0x8;
 	case OMAP_DSS_VIDEO3:
 		return 0x0430 + i * 0x8;
+	case OMAP_DSS_WB:
+		return 0x02A0 + i * 0x8;
 	default:
 		BUG();
 		return 0;
@@ -759,6 +789,7 @@ static inline u16 DISPC_FIR_COEF_HV_OFFSET(enum omap_plane plane, u16 i)
 	case OMAP_DSS_VIDEO2:
 		return 0x0038 + i * 0x8;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0014 + i * 0x8;
 	default:
 		BUG();
@@ -779,6 +810,8 @@ static inline u16 DISPC_FIR_COEF_HV2_OFFSET(enum omap_plane plane, u16 i)
 		return 0x056C + i * 0x8;
 	case OMAP_DSS_VIDEO3:
 		return 0x0434 + i * 0x8;
+	case OMAP_DSS_WB:
+		return 0x02A4 + i * 0x8;
 	default:
 		BUG();
 		return 0;
@@ -795,6 +828,7 @@ static inline u16 DISPC_CONV_COEF_OFFSET(enum omap_plane plane, u16 i)
 	case OMAP_DSS_VIDEO1:
 	case OMAP_DSS_VIDEO2:
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0074 + i * 0x4;
 	default:
 		BUG();
@@ -814,6 +848,7 @@ static inline u16 DISPC_FIR_COEF_V_OFFSET(enum omap_plane plane, u16 i)
 	case OMAP_DSS_VIDEO2:
 		return 0x00B4 + i * 0x4;
 	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
 		return 0x0050 + i * 0x4;
 	default:
 		BUG();
@@ -834,6 +869,8 @@ static inline u16 DISPC_FIR_COEF_V2_OFFSET(enum omap_plane plane, u16 i)
 		return 0x05A8 + i * 0x4;
 	case OMAP_DSS_VIDEO3:
 		return 0x0470 + i * 0x4;
+	case OMAP_DSS_WB:
+		return 0x02E0 + i * 0x4;
 	default:
 		BUG();
 		return 0;
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index 5bd957e8550..ccf8550fafd 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -142,7 +142,11 @@ static ssize_t display_timings_store(struct device *dev,
 	if (r)
 		return r;
 
+	dssdev->driver->disable(dssdev);
 	dssdev->driver->set_timings(dssdev, &t);
+	r = dssdev->driver->enable(dssdev);
+	if (r)
+		return r;
 
 	return size;
 }
@@ -316,26 +320,117 @@ void omapdss_default_get_timings(struct omap_dss_device *dssdev,
 }
 EXPORT_SYMBOL(omapdss_default_get_timings);
 
-void dss_init_device(struct platform_device *pdev,
+/*
+ * Connect dssdev to a manager if the manager is free or if force is specified.
+ * Connect all overlays to that manager if they are free or if force is
+ * specified.
+ */
+static int dss_init_connections(struct omap_dss_device *dssdev, bool force)
+{
+	struct omap_dss_output *out;
+	struct omap_overlay_manager *mgr;
+	int i, r;
+
+	out = omapdss_get_output_from_dssdev(dssdev);
+
+	WARN_ON(dssdev->output);
+	WARN_ON(out->device);
+
+	r = omapdss_output_set_device(out, dssdev);
+	if (r) {
+		DSSERR("failed to connect output to new device\n");
+		return r;
+	}
+
+	mgr = omap_dss_get_overlay_manager(dssdev->channel);
+
+	if (mgr->output && !force)
+		return 0;
+
+	if (mgr->output)
+		mgr->unset_output(mgr);
+
+	r = mgr->set_output(mgr, out);
+	if (r) {
+		DSSERR("failed to connect manager to output of new device\n");
+
+		/* remove the output-device connection we just made */
+		omapdss_output_unset_device(out);
+		return r;
+	}
+
+	for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+		struct omap_overlay *ovl = omap_dss_get_overlay(i);
+
+		if (!ovl->manager || force) {
+			if (ovl->manager)
+				ovl->unset_manager(ovl);
+
+			r = ovl->set_manager(ovl, mgr);
+			if (r) {
+				DSSERR("failed to set initial overlay\n");
+				return r;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static void dss_uninit_connections(struct omap_dss_device *dssdev)
+{
+	if (dssdev->output) {
+		struct omap_overlay_manager *mgr = dssdev->output->manager;
+
+		if (mgr)
+			mgr->unset_output(mgr);
+
+		omapdss_output_unset_device(dssdev->output);
+	}
+}
+
+int dss_init_device(struct platform_device *pdev,
 		struct omap_dss_device *dssdev)
 {
 	struct device_attribute *attr;
-	int i;
-	int r;
+	int i, r;
+	const char *def_disp_name = dss_get_default_display_name();
+	bool force;
+
+	force = def_disp_name && strcmp(def_disp_name, dssdev->name) == 0;
+	dss_init_connections(dssdev, force);
 
 	/* create device sysfs files */
 	i = 0;
 	while ((attr = display_sysfs_attrs[i++]) != NULL) {
 		r = device_create_file(&dssdev->dev, attr);
-		if (r)
+		if (r) {
+			for (i = i - 2; i >= 0; i--) {
+				attr = display_sysfs_attrs[i];
+				device_remove_file(&dssdev->dev, attr);
+			}
+
+			dss_uninit_connections(dssdev);
+
 			DSSERR("failed to create sysfs file\n");
+			return r;
+		}
 	}
 
 	/* create display? sysfs links */
 	r = sysfs_create_link(&pdev->dev.kobj, &dssdev->dev.kobj,
 			dev_name(&dssdev->dev));
-	if (r)
+	if (r) {
+		while ((attr = display_sysfs_attrs[i++]) != NULL)
+			device_remove_file(&dssdev->dev, attr);
+
+		dss_uninit_connections(dssdev);
+
 		DSSERR("failed to create sysfs display link\n");
+		return r;
+	}
+
+	return 0;
 }
 
 void dss_uninit_device(struct platform_device *pdev,
@@ -349,8 +444,7 @@ void dss_uninit_device(struct platform_device *pdev,
 	while ((attr = display_sysfs_attrs[i++]) != NULL)
 		device_remove_file(&dssdev->dev, attr);
 
-	if (dssdev->manager)
-		dssdev->manager->unset_device(dssdev->manager);
+	dss_uninit_connections(dssdev);
 }
 
 static int dss_suspend_device(struct device *dev, void *data)
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 3266be23fc0..56748cf8760 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -29,17 +29,24 @@
 #include <linux/errno.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
+#include <linux/string.h>
 
 #include <video/omapdss.h>
-#include <plat/cpu.h>
 
 #include "dss.h"
+#include "dss_features.h"
 
 static struct {
 	struct regulator *vdds_dsi_reg;
 	struct platform_device *dsidev;
 
+	struct mutex lock;
+
+	struct omap_video_timings timings;
 	struct dss_lcd_mgr_config mgr_config;
+	int data_lines;
+
+	struct omap_dss_output output;
 } dpi;
 
 static struct platform_device *dpi_get_dsidev(enum omap_dss_clk_source clk)
@@ -121,7 +128,8 @@ static int dpi_set_dispc_clk(struct omap_dss_device *dssdev,
 
 static int dpi_set_mode(struct omap_dss_device *dssdev)
 {
-	struct omap_video_timings *t = &dssdev->panel.timings;
+	struct omap_video_timings *t = &dpi.timings;
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	int lck_div = 0, pck_div = 0;
 	unsigned long fck = 0;
 	unsigned long pck;
@@ -146,37 +154,44 @@ static int dpi_set_mode(struct omap_dss_device *dssdev)
 		t->pixel_clock = pck;
 	}
 
-	dss_mgr_set_timings(dssdev->manager, t);
+	dss_mgr_set_timings(mgr, t);
 
 	return 0;
 }
 
 static void dpi_config_lcd_manager(struct omap_dss_device *dssdev)
 {
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+
 	dpi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
 
 	dpi.mgr_config.stallmode = false;
 	dpi.mgr_config.fifohandcheck = false;
 
-	dpi.mgr_config.video_port_width = dssdev->phy.dpi.data_lines;
+	dpi.mgr_config.video_port_width = dpi.data_lines;
 
 	dpi.mgr_config.lcden_sig_polarity = 0;
 
-	dss_mgr_set_lcd_config(dssdev->manager, &dpi.mgr_config);
+	dss_mgr_set_lcd_config(mgr, &dpi.mgr_config);
 }
 
 int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 {
+	struct omap_dss_output *out = dssdev->output;
 	int r;
 
-	if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
+	mutex_lock(&dpi.lock);
+
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) && !dpi.vdds_dsi_reg) {
 		DSSERR("no VDSS_DSI regulator\n");
-		return -ENODEV;
+		r = -ENODEV;
+		goto err_no_reg;
 	}
 
-	if (dssdev->manager == NULL) {
-		DSSERR("failed to enable display: no manager\n");
-		return -ENODEV;
+	if (out == NULL || out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
+		r = -ENODEV;
+		goto err_no_out_mgr;
 	}
 
 	r = omap_dss_start_device(dssdev);
@@ -185,7 +200,7 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 		goto err_start_dev;
 	}
 
-	if (cpu_is_omap34xx()) {
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI)) {
 		r = regulator_enable(dpi.vdds_dsi_reg);
 		if (r)
 			goto err_reg_enable;
@@ -195,6 +210,10 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 	if (r)
 		goto err_get_dispc;
 
+	r = dss_dpi_select_source(dssdev->channel);
+	if (r)
+		goto err_src_sel;
+
 	if (dpi_use_dsi_pll(dssdev)) {
 		r = dsi_runtime_get(dpi.dsidev);
 		if (r)
@@ -213,10 +232,12 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 
 	mdelay(2);
 
-	r = dss_mgr_enable(dssdev->manager);
+	r = dss_mgr_enable(out->manager);
 	if (r)
 		goto err_mgr_enable;
 
+	mutex_unlock(&dpi.lock);
+
 	return 0;
 
 err_mgr_enable:
@@ -227,20 +248,28 @@ err_dsi_pll_init:
 	if (dpi_use_dsi_pll(dssdev))
 		dsi_runtime_put(dpi.dsidev);
 err_get_dsi:
+err_src_sel:
 	dispc_runtime_put();
 err_get_dispc:
-	if (cpu_is_omap34xx())
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
 		regulator_disable(dpi.vdds_dsi_reg);
 err_reg_enable:
 	omap_dss_stop_device(dssdev);
 err_start_dev:
+err_no_out_mgr:
+err_no_reg:
+	mutex_unlock(&dpi.lock);
 	return r;
 }
 EXPORT_SYMBOL(omapdss_dpi_display_enable);
 
 void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
 {
-	dss_mgr_disable(dssdev->manager);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+
+	mutex_lock(&dpi.lock);
+
+	dss_mgr_disable(mgr);
 
 	if (dpi_use_dsi_pll(dssdev)) {
 		dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
@@ -250,44 +279,39 @@ void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
 
 	dispc_runtime_put();
 
-	if (cpu_is_omap34xx())
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
 		regulator_disable(dpi.vdds_dsi_reg);
 
 	omap_dss_stop_device(dssdev);
+
+	mutex_unlock(&dpi.lock);
 }
 EXPORT_SYMBOL(omapdss_dpi_display_disable);
 
-void dpi_set_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
+void omapdss_dpi_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
 {
-	int r;
-
 	DSSDBG("dpi_set_timings\n");
-	dssdev->panel.timings = *timings;
-	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
-		r = dispc_runtime_get();
-		if (r)
-			return;
 
-		dpi_set_mode(dssdev);
+	mutex_lock(&dpi.lock);
 
-		dispc_runtime_put();
-	} else {
-		dss_mgr_set_timings(dssdev->manager, timings);
-	}
+	dpi.timings = *timings;
+
+	mutex_unlock(&dpi.lock);
 }
-EXPORT_SYMBOL(dpi_set_timings);
+EXPORT_SYMBOL(omapdss_dpi_set_timings);
 
 int dpi_check_timings(struct omap_dss_device *dssdev,
 			struct omap_video_timings *timings)
 {
 	int r;
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	int lck_div, pck_div;
 	unsigned long fck;
 	unsigned long pck;
 	struct dispc_clock_info dispc_cinfo;
 
-	if (dss_mgr_check_timings(dssdev->manager, timings))
+	if (dss_mgr_check_timings(mgr, timings))
 		return -EINVAL;
 
 	if (timings->pixel_clock == 0)
@@ -325,11 +349,22 @@ int dpi_check_timings(struct omap_dss_device *dssdev,
 }
 EXPORT_SYMBOL(dpi_check_timings);
 
+void omapdss_dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
+{
+	mutex_lock(&dpi.lock);
+
+	dpi.data_lines = data_lines;
+
+	mutex_unlock(&dpi.lock);
+}
+EXPORT_SYMBOL(omapdss_dpi_set_data_lines);
+
 static int __init dpi_init_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("init_display\n");
 
-	if (cpu_is_omap34xx() && dpi.vdds_dsi_reg == NULL) {
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) &&
+					dpi.vdds_dsi_reg == NULL) {
 		struct regulator *vdds_dsi;
 
 		vdds_dsi = dss_get_vdds_dsi();
@@ -351,10 +386,14 @@ static int __init dpi_init_display(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static void __init dpi_probe_pdata(struct platform_device *pdev)
+static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
-	int i, r;
+	const char *def_disp_name = dss_get_default_display_name();
+	struct omap_dss_device *def_dssdev;
+	int i;
+
+	def_dssdev = NULL;
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
@@ -362,21 +401,75 @@ static void __init dpi_probe_pdata(struct platform_device *pdev)
 		if (dssdev->type != OMAP_DISPLAY_TYPE_DPI)
 			continue;
 
-		r = dpi_init_display(dssdev);
-		if (r) {
-			DSSERR("device %s init failed: %d\n", dssdev->name, r);
-			continue;
+		if (def_dssdev == NULL)
+			def_dssdev = dssdev;
+
+		if (def_disp_name != NULL &&
+				strcmp(dssdev->name, def_disp_name) == 0) {
+			def_dssdev = dssdev;
+			break;
 		}
+	}
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
-		if (r)
-			DSSERR("device %s register failed: %d\n",
-					dssdev->name, r);
+	return def_dssdev;
+}
+
+static void __init dpi_probe_pdata(struct platform_device *dpidev)
+{
+	struct omap_dss_device *plat_dssdev;
+	struct omap_dss_device *dssdev;
+	int r;
+
+	plat_dssdev = dpi_find_dssdev(dpidev);
+
+	if (!plat_dssdev)
+		return;
+
+	dssdev = dss_alloc_and_init_device(&dpidev->dev);
+	if (!dssdev)
+		return;
+
+	dss_copy_device_pdata(dssdev, plat_dssdev);
+
+	r = dpi_init_display(dssdev);
+	if (r) {
+		DSSERR("device %s init failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
+	}
+
+	r = dss_add_device(dssdev);
+	if (r) {
+		DSSERR("device %s register failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
 	}
 }
 
+static void __init dpi_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &dpi.output;
+
+	out->pdev = pdev;
+	out->id = OMAP_DSS_OUTPUT_DPI;
+	out->type = OMAP_DISPLAY_TYPE_DPI;
+
+	dss_register_output(out);
+}
+
+static void __exit dpi_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &dpi.output;
+
+	dss_unregister_output(out);
+}
+
 static int __init omap_dpi_probe(struct platform_device *pdev)
 {
+	mutex_init(&dpi.lock);
+
+	dpi_init_output(pdev);
+
 	dpi_probe_pdata(pdev);
 
 	return 0;
@@ -384,7 +477,9 @@ static int __init omap_dpi_probe(struct platform_device *pdev)
 
 static int __exit omap_dpi_remove(struct platform_device *pdev)
 {
-	omap_dss_unregister_child_devices(&pdev->dev);
+	dss_unregister_child_devices(&pdev->dev);
+
+	dpi_uninit_output(pdev);
 
 	return 0;
 }
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 05ee04667af..d64ac384288 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -41,7 +41,6 @@
 
 #include <video/omapdss.h>
 #include <video/mipi_display.h>
-#include <plat/clock.h>
 
 #include "dss.h"
 #include "dss_features.h"
@@ -333,6 +332,12 @@ struct dsi_data {
 	unsigned scp_clk_refcount;
 
 	struct dss_lcd_mgr_config mgr_config;
+	struct omap_video_timings timings;
+	enum omap_dss_dsi_pixel_format pix_fmt;
+	enum omap_dss_dsi_mode mode;
+	struct omap_dss_dsi_videomode_timings vm_timings;
+
+	struct omap_dss_output output;
 };
 
 struct dsi_packet_sent_handler_data {
@@ -340,8 +345,6 @@ struct dsi_packet_sent_handler_data {
 	struct completion *completion;
 };
 
-static struct platform_device *dsi_pdev_map[MAX_NUM_DSI];
-
 #ifdef DEBUG
 static bool dsi_perf;
 module_param(dsi_perf, bool, 0644);
@@ -354,12 +357,19 @@ static inline struct dsi_data *dsi_get_dsidrv_data(struct platform_device *dside
 
 static inline struct platform_device *dsi_get_dsidev_from_dssdev(struct omap_dss_device *dssdev)
 {
-	return dsi_pdev_map[dssdev->phy.dsi.module];
+	return dssdev->output->pdev;
 }
 
 struct platform_device *dsi_get_dsidev_from_id(int module)
 {
-	return dsi_pdev_map[module];
+	struct omap_dss_output *out;
+	enum omap_dss_output_id	id;
+
+	id = module == 0 ? OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
+
+	out = omap_dss_get_output(id);
+
+	return out->pdev;
 }
 
 static inline void dsi_write_reg(struct platform_device *dsidev,
@@ -1450,6 +1460,148 @@ found:
 	return 0;
 }
 
+static int dsi_pll_calc_ddrfreq(struct platform_device *dsidev,
+		unsigned long req_clkin4ddr, struct dsi_clock_info *cinfo)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dsi_clock_info cur, best;
+
+	DSSDBG("dsi_pll_calc_ddrfreq\n");
+
+	memset(&best, 0, sizeof(best));
+	memset(&cur, 0, sizeof(cur));
+
+	cur.clkin = clk_get_rate(dsi->sys_clk);
+
+	for (cur.regn = 1; cur.regn < dsi->regn_max; ++cur.regn) {
+		cur.fint = cur.clkin / cur.regn;
+
+		if (cur.fint > dsi->fint_max || cur.fint < dsi->fint_min)
+			continue;
+
+		/* DSIPHY(MHz) = (2 * regm / regn) * clkin */
+		for (cur.regm = 1; cur.regm < dsi->regm_max; ++cur.regm) {
+			unsigned long a, b;
+
+			a = 2 * cur.regm * (cur.clkin/1000);
+			b = cur.regn;
+			cur.clkin4ddr = a / b * 1000;
+
+			if (cur.clkin4ddr > 1800 * 1000 * 1000)
+				break;
+
+			if (abs(cur.clkin4ddr - req_clkin4ddr) <
+					abs(best.clkin4ddr - req_clkin4ddr)) {
+				best = cur;
+				DSSDBG("best %ld\n", best.clkin4ddr);
+			}
+
+			if (cur.clkin4ddr == req_clkin4ddr)
+				goto found;
+		}
+	}
+found:
+	if (cinfo)
+		*cinfo = best;
+
+	return 0;
+}
+
+static void dsi_pll_calc_dsi_fck(struct platform_device *dsidev,
+		struct dsi_clock_info *cinfo)
+{
+	unsigned long max_dsi_fck;
+
+	max_dsi_fck = dss_feat_get_param_max(FEAT_PARAM_DSI_FCK);
+
+	cinfo->regm_dsi = DIV_ROUND_UP(cinfo->clkin4ddr, max_dsi_fck);
+	cinfo->dsi_pll_hsdiv_dsi_clk = cinfo->clkin4ddr / cinfo->regm_dsi;
+}
+
+static int dsi_pll_calc_dispc_fck(struct platform_device *dsidev,
+		unsigned long req_pck, struct dsi_clock_info *cinfo,
+		struct dispc_clock_info *dispc_cinfo)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned regm_dispc, best_regm_dispc;
+	unsigned long dispc_clk, best_dispc_clk;
+	int min_fck_per_pck;
+	unsigned long max_dss_fck;
+	struct dispc_clock_info best_dispc;
+	bool match;
+
+	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+
+	min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK;
+
+	if (min_fck_per_pck &&
+			req_pck * min_fck_per_pck > max_dss_fck) {
+		DSSERR("Requested pixel clock not possible with the current "
+				"OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning "
+				"the constraint off.\n");
+		min_fck_per_pck = 0;
+	}
+
+retry:
+	best_regm_dispc = 0;
+	best_dispc_clk = 0;
+	memset(&best_dispc, 0, sizeof(best_dispc));
+	match = false;
+
+	for (regm_dispc = 1; regm_dispc < dsi->regm_dispc_max; ++regm_dispc) {
+		struct dispc_clock_info cur_dispc;
+
+		dispc_clk = cinfo->clkin4ddr / regm_dispc;
+
+		/* this will narrow down the search a bit,
+		 * but still give pixclocks below what was
+		 * requested */
+		if (dispc_clk  < req_pck)
+			break;
+
+		if (dispc_clk > max_dss_fck)
+			continue;
+
+		if (min_fck_per_pck && dispc_clk < req_pck * min_fck_per_pck)
+			continue;
+
+		match = true;
+
+		dispc_find_clk_divs(req_pck, dispc_clk, &cur_dispc);
+
+		if (abs(cur_dispc.pck - req_pck) <
+				abs(best_dispc.pck - req_pck)) {
+			best_regm_dispc = regm_dispc;
+			best_dispc_clk = dispc_clk;
+			best_dispc = cur_dispc;
+
+			if (cur_dispc.pck == req_pck)
+				goto found;
+		}
+	}
+
+	if (!match) {
+		if (min_fck_per_pck) {
+			DSSERR("Could not find suitable clock settings.\n"
+					"Turning FCK/PCK constraint off and"
+					"trying again.\n");
+			min_fck_per_pck = 0;
+			goto retry;
+		}
+
+		DSSERR("Could not find suitable clock settings.\n");
+
+		return -EINVAL;
+	}
+found:
+	cinfo->regm_dispc = best_regm_dispc;
+	cinfo->dsi_pll_hsdiv_dispc_clk = best_dispc_clk;
+
+	*dispc_cinfo = best_dispc;
+
+	return 0;
+}
+
 int dsi_pll_set_clock_div(struct platform_device *dsidev,
 		struct dsi_clock_info *cinfo)
 {
@@ -1526,21 +1678,27 @@ int dsi_pll_set_clock_div(struct platform_device *dsidev,
 
 	BUG_ON(cinfo->fint < dsi->fint_min || cinfo->fint > dsi->fint_max);
 
+	l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2);
+
 	if (dss_has_feature(FEAT_DSI_PLL_FREQSEL)) {
 		f = cinfo->fint < 1000000 ? 0x3 :
 			cinfo->fint < 1250000 ? 0x4 :
 			cinfo->fint < 1500000 ? 0x5 :
 			cinfo->fint < 1750000 ? 0x6 :
 			0x7;
-	}
 
-	l = dsi_read_reg(dsidev, DSI_PLL_CONFIGURATION2);
-
-	if (dss_has_feature(FEAT_DSI_PLL_FREQSEL))
 		l = FLD_MOD(l, f, 4, 1);	/* DSI_PLL_FREQSEL */
+	} else if (dss_has_feature(FEAT_DSI_PLL_SELFREQDCO)) {
+		f = cinfo->clkin4ddr < 1000000000 ? 0x2 : 0x4;
+
+		l = FLD_MOD(l, f, 4, 1);	/* PLL_SELFREQDCO */
+	}
+
 	l = FLD_MOD(l, 1, 13, 13);		/* DSI_PLL_REFEN */
 	l = FLD_MOD(l, 0, 14, 14);		/* DSIPHY_CLKINEN */
 	l = FLD_MOD(l, 1, 20, 20);		/* DSI_HSDIVBYPASS */
+	if (dss_has_feature(FEAT_DSI_PLL_REFSEL))
+		l = FLD_MOD(l, 3, 22, 21);	/* REF_SYSCLK = sysclk */
 	dsi_write_reg(dsidev, DSI_PLL_CONFIGURATION2, l);
 
 	REG_FLD_MOD(dsidev, DSI_PLL_GO, 1, 0, 0);	/* DSI_PLL_GO */
@@ -2004,15 +2162,16 @@ static unsigned dsi_get_line_buf_size(struct platform_device *dsidev)
 		return 1194 * 3;	/* 1194x24 bits */
 	case 6:
 		return 1365 * 3;	/* 1365x24 bits */
+	case 7:
+		return 1920 * 3;	/* 1920x24 bits */
 	default:
 		BUG();
 		return 0;
 	}
 }
 
-static int dsi_set_lane_config(struct omap_dss_device *dssdev)
+static int dsi_set_lane_config(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	static const u8 offsets[] = { 0, 4, 8, 12, 16 };
 	static const enum dsi_lane_function functions[] = {
@@ -2136,9 +2295,16 @@ static void dsi_cio_timings(struct platform_device *dsidev)
 	dsi_write_reg(dsidev, DSI_DSIPHY_CFG0, r);
 
 	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
-	r = FLD_MOD(r, tlpx_half, 22, 16);
+	r = FLD_MOD(r, tlpx_half, 20, 16);
 	r = FLD_MOD(r, tclk_trail, 15, 8);
 	r = FLD_MOD(r, tclk_zero, 7, 0);
+
+	if (dss_has_feature(FEAT_DSI_PHY_DCC)) {
+		r = FLD_MOD(r, 0, 21, 21);	/* DCCEN = disable */
+		r = FLD_MOD(r, 1, 22, 22);	/* CLKINP_DIVBY2EN = enable */
+		r = FLD_MOD(r, 1, 23, 23);	/* CLKINP_SEL = enable */
+	}
+
 	dsi_write_reg(dsidev, DSI_DSIPHY_CFG1, r);
 
 	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
@@ -2147,10 +2313,9 @@ static void dsi_cio_timings(struct platform_device *dsidev)
 }
 
 /* lane masks have lane 0 at lsb. mask_p for positive lines, n for negative */
-static void dsi_cio_enable_lane_override(struct omap_dss_device *dssdev,
+static void dsi_cio_enable_lane_override(struct platform_device *dsidev,
 		unsigned mask_p, unsigned mask_n)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	int i;
 	u32 l;
@@ -2197,9 +2362,8 @@ static void dsi_cio_disable_lane_override(struct platform_device *dsidev)
 	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 22, 17);
 }
 
-static int dsi_cio_wait_tx_clk_esc_reset(struct omap_dss_device *dssdev)
+static int dsi_cio_wait_tx_clk_esc_reset(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	int t, i;
 	bool in_use[DSI_MAX_NR_LANES];
@@ -2247,9 +2411,8 @@ static int dsi_cio_wait_tx_clk_esc_reset(struct omap_dss_device *dssdev)
 }
 
 /* return bitmask of enabled lanes, lane0 being the lsb */
-static unsigned dsi_get_lane_mask(struct omap_dss_device *dssdev)
+static unsigned dsi_get_lane_mask(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	unsigned mask = 0;
 	int i;
@@ -2262,16 +2425,15 @@ static unsigned dsi_get_lane_mask(struct omap_dss_device *dssdev)
 	return mask;
 }
 
-static int dsi_cio_init(struct omap_dss_device *dssdev)
+static int dsi_cio_init(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	int r;
 	u32 l;
 
 	DSSDBGF();
 
-	r = dss_dsi_enable_pads(dsi->module_id, dsi_get_lane_mask(dssdev));
+	r = dss_dsi_enable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
 	if (r)
 		return r;
 
@@ -2288,7 +2450,7 @@ static int dsi_cio_init(struct omap_dss_device *dssdev)
 		goto err_scp_clk_dom;
 	}
 
-	r = dsi_set_lane_config(dssdev);
+	r = dsi_set_lane_config(dsidev);
 	if (r)
 		goto err_scp_clk_dom;
 
@@ -2323,7 +2485,7 @@ static int dsi_cio_init(struct omap_dss_device *dssdev)
 			mask_p |= 1 << i;
 		}
 
-		dsi_cio_enable_lane_override(dssdev, mask_p, 0);
+		dsi_cio_enable_lane_override(dsidev, mask_p, 0);
 	}
 
 	r = dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ON);
@@ -2340,7 +2502,7 @@ static int dsi_cio_init(struct omap_dss_device *dssdev)
 	dsi_if_enable(dsidev, false);
 	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 20, 20); /* LP_CLK_ENABLE */
 
-	r = dsi_cio_wait_tx_clk_esc_reset(dssdev);
+	r = dsi_cio_wait_tx_clk_esc_reset(dsidev);
 	if (r)
 		goto err_tx_clk_esc_rst;
 
@@ -2360,10 +2522,10 @@ static int dsi_cio_init(struct omap_dss_device *dssdev)
 
 	dsi_cio_timings(dsidev);
 
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
 		/* DDR_CLK_ALWAYS_ON */
 		REG_FLD_MOD(dsidev, DSI_CLK_CTRL,
-			dssdev->panel.dsi_vm_data.ddr_clk_always_on, 13, 13);
+			dsi->vm_timings.ddr_clk_always_on, 13, 13);
 	}
 
 	dsi->ulps_enabled = false;
@@ -2381,13 +2543,12 @@ err_cio_pwr:
 		dsi_cio_disable_lane_override(dsidev);
 err_scp_clk_dom:
 	dsi_disable_scp_clk(dsidev);
-	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dssdev));
+	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
 	return r;
 }
 
-static void dsi_cio_uninit(struct omap_dss_device *dssdev)
+static void dsi_cio_uninit(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
 	/* DDR_CLK_ALWAYS_ON */
@@ -2395,7 +2556,7 @@ static void dsi_cio_uninit(struct omap_dss_device *dssdev)
 
 	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
 	dsi_disable_scp_clk(dsidev);
-	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dssdev));
+	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
 }
 
 static void dsi_config_tx_fifo(struct platform_device *dsidev,
@@ -2685,6 +2846,7 @@ void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
 		bool enable)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
 	DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable);
 
@@ -2701,7 +2863,7 @@ void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
 	dsi_force_tx_stop_mode_io(dsidev);
 
 	/* start the DDR clock by sending a NULL packet */
-	if (dssdev->panel.dsi_vm_data.ddr_clk_always_on && enable)
+	if (dsi->vm_timings.ddr_clk_always_on && enable)
 		dsi_vc_send_null(dssdev, channel);
 }
 EXPORT_SYMBOL(omapdss_dsi_vc_enable_hs);
@@ -2987,10 +3149,9 @@ int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel)
 }
 EXPORT_SYMBOL(dsi_vc_send_null);
 
-static int dsi_vc_write_nosync_common(struct omap_dss_device *dssdev,
+static int dsi_vc_write_nosync_common(struct platform_device *dsidev,
 		int channel, u8 *data, int len, enum dss_dsi_content_type type)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	int r;
 
 	if (len == 0) {
@@ -3021,7 +3182,9 @@ static int dsi_vc_write_nosync_common(struct omap_dss_device *dssdev,
 int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
 		u8 *data, int len)
 {
-	return dsi_vc_write_nosync_common(dssdev, channel, data, len,
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_write_nosync_common(dsidev, channel, data, len,
 			DSS_DSI_CONTENT_DCS);
 }
 EXPORT_SYMBOL(dsi_vc_dcs_write_nosync);
@@ -3029,7 +3192,9 @@ EXPORT_SYMBOL(dsi_vc_dcs_write_nosync);
 int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
 		u8 *data, int len)
 {
-	return dsi_vc_write_nosync_common(dssdev, channel, data, len,
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_write_nosync_common(dsidev, channel, data, len,
 			DSS_DSI_CONTENT_GENERIC);
 }
 EXPORT_SYMBOL(dsi_vc_generic_write_nosync);
@@ -3040,7 +3205,7 @@ static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel,
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	int r;
 
-	r = dsi_vc_write_nosync_common(dssdev, channel, data, len, type);
+	r = dsi_vc_write_nosync_common(dsidev, channel, data, len, type);
 	if (r)
 		goto err;
 
@@ -3118,10 +3283,9 @@ int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel,
 }
 EXPORT_SYMBOL(dsi_vc_generic_write_2);
 
-static int dsi_vc_dcs_send_read_request(struct omap_dss_device *dssdev,
+static int dsi_vc_dcs_send_read_request(struct platform_device *dsidev,
 		int channel, u8 dcs_cmd)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	int r;
 
@@ -3139,10 +3303,9 @@ static int dsi_vc_dcs_send_read_request(struct omap_dss_device *dssdev,
 	return 0;
 }
 
-static int dsi_vc_generic_send_read_request(struct omap_dss_device *dssdev,
+static int dsi_vc_generic_send_read_request(struct platform_device *dsidev,
 		int channel, u8 *reqdata, int reqlen)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	u16 data;
 	u8 data_type;
@@ -3291,7 +3454,7 @@ int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	int r;
 
-	r = dsi_vc_dcs_send_read_request(dssdev, channel, dcs_cmd);
+	r = dsi_vc_dcs_send_read_request(dsidev, channel, dcs_cmd);
 	if (r)
 		goto err;
 
@@ -3322,7 +3485,7 @@ static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel,
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	int r;
 
-	r = dsi_vc_generic_send_read_request(dssdev, channel, reqdata, reqlen);
+	r = dsi_vc_generic_send_read_request(dsidev, channel, reqdata, reqlen);
 	if (r)
 		return r;
 
@@ -3604,15 +3767,15 @@ static void dsi_set_hs_tx_timeout(struct platform_device *dsidev,
 			(total_ticks * 1000) / (fck / 1000 / 1000));
 }
 
-static void dsi_config_vp_num_line_buffers(struct omap_dss_device *dssdev)
+static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	int num_line_buffers;
 
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
-		int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		int bpp = dsi_get_pixel_size(dsi->pix_fmt);
 		unsigned line_buf_size = dsi_get_line_buf_size(dsidev);
-		struct omap_video_timings *timings = &dssdev->panel.timings;
+		struct omap_video_timings *timings = &dsi->timings;
 		/*
 		 * Don't use line buffers if width is greater than the video
 		 * port's line buffer size
@@ -3630,11 +3793,11 @@ static void dsi_config_vp_num_line_buffers(struct omap_dss_device *dssdev)
 	REG_FLD_MOD(dsidev, DSI_CTRL, num_line_buffers, 13, 12);
 }
 
-static void dsi_config_vp_sync_events(struct omap_dss_device *dssdev)
+static void dsi_config_vp_sync_events(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
-	bool vsync_end = dssdev->panel.dsi_vm_data.vp_vsync_end;
-	bool hsync_end = dssdev->panel.dsi_vm_data.vp_hsync_end;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	bool vsync_end = dsi->vm_timings.vp_vsync_end;
+	bool hsync_end = dsi->vm_timings.vp_hsync_end;
 	u32 r;
 
 	r = dsi_read_reg(dsidev, DSI_CTRL);
@@ -3648,13 +3811,13 @@ static void dsi_config_vp_sync_events(struct omap_dss_device *dssdev)
 	dsi_write_reg(dsidev, DSI_CTRL, r);
 }
 
-static void dsi_config_blanking_modes(struct omap_dss_device *dssdev)
+static void dsi_config_blanking_modes(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
-	int blanking_mode = dssdev->panel.dsi_vm_data.blanking_mode;
-	int hfp_blanking_mode = dssdev->panel.dsi_vm_data.hfp_blanking_mode;
-	int hbp_blanking_mode = dssdev->panel.dsi_vm_data.hbp_blanking_mode;
-	int hsa_blanking_mode = dssdev->panel.dsi_vm_data.hsa_blanking_mode;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int blanking_mode = dsi->vm_timings.blanking_mode;
+	int hfp_blanking_mode = dsi->vm_timings.hfp_blanking_mode;
+	int hbp_blanking_mode = dsi->vm_timings.hbp_blanking_mode;
+	int hsa_blanking_mode = dsi->vm_timings.hsa_blanking_mode;
 	u32 r;
 
 	/*
@@ -3741,8 +3904,8 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev)
 	int ddr_clk_pre, ddr_clk_post, enter_hs_mode_lat, exit_hs_mode_lat;
 	int tclk_trail, ths_exit, exiths_clk;
 	bool ddr_alwon;
-	struct omap_video_timings *timings = &dssdev->panel.timings;
-	int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+	struct omap_video_timings *timings = &dsi->timings;
+	int bpp = dsi_get_pixel_size(dsi->pix_fmt);
 	int ndl = dsi->num_lanes_used - 1;
 	int dsi_fclk_hsdiv = dssdev->clocks.dsi.regm_dsi + 1;
 	int hsa_interleave_hs = 0, hsa_interleave_lp = 0;
@@ -3852,6 +4015,7 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev)
 static int dsi_proto_config(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	u32 r;
 	int buswidth = 0;
 
@@ -3871,7 +4035,7 @@ static int dsi_proto_config(struct omap_dss_device *dssdev)
 	dsi_set_lp_rx_timeout(dsidev, 0x1fff, true, true);
 	dsi_set_hs_tx_timeout(dsidev, 0x1fff, true, true);
 
-	switch (dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt)) {
+	switch (dsi_get_pixel_size(dsi->pix_fmt)) {
 	case 16:
 		buswidth = 0;
 		break;
@@ -3903,11 +4067,11 @@ static int dsi_proto_config(struct omap_dss_device *dssdev)
 
 	dsi_write_reg(dsidev, DSI_CTRL, r);
 
-	dsi_config_vp_num_line_buffers(dssdev);
+	dsi_config_vp_num_line_buffers(dsidev);
 
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
-		dsi_config_vp_sync_events(dssdev);
-		dsi_config_blanking_modes(dssdev);
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		dsi_config_vp_sync_events(dsidev);
+		dsi_config_blanking_modes(dsidev);
 		dsi_config_cmd_mode_interleaving(dssdev);
 	}
 
@@ -3919,9 +4083,8 @@ static int dsi_proto_config(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static void dsi_proto_timings(struct omap_dss_device *dssdev)
+static void dsi_proto_timings(struct platform_device *dsidev)
 {
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	unsigned tlpx, tclk_zero, tclk_prepare, tclk_trail;
 	unsigned tclk_pre, tclk_post;
@@ -3941,7 +4104,7 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev)
 	ths_exit = FLD_GET(r, 7, 0);
 
 	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
-	tlpx = FLD_GET(r, 22, 16) * 2;
+	tlpx = FLD_GET(r, 20, 16) * 2;
 	tclk_trail = FLD_GET(r, 15, 8);
 	tclk_zero = FLD_GET(r, 7, 0);
 
@@ -3984,18 +4147,18 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev)
 	DSSDBG("enter_hs_mode_lat %u, exit_hs_mode_lat %u\n",
 			enter_hs_mode_lat, exit_hs_mode_lat);
 
-	 if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+	 if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
 		/* TODO: Implement a video mode check_timings function */
-		int hsa = dssdev->panel.dsi_vm_data.hsa;
-		int hfp = dssdev->panel.dsi_vm_data.hfp;
-		int hbp = dssdev->panel.dsi_vm_data.hbp;
-		int vsa = dssdev->panel.dsi_vm_data.vsa;
-		int vfp = dssdev->panel.dsi_vm_data.vfp;
-		int vbp = dssdev->panel.dsi_vm_data.vbp;
-		int window_sync = dssdev->panel.dsi_vm_data.window_sync;
-		bool hsync_end = dssdev->panel.dsi_vm_data.vp_hsync_end;
-		struct omap_video_timings *timings = &dssdev->panel.timings;
-		int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+		int hsa = dsi->vm_timings.hsa;
+		int hfp = dsi->vm_timings.hfp;
+		int hbp = dsi->vm_timings.hbp;
+		int vsa = dsi->vm_timings.vsa;
+		int vfp = dsi->vm_timings.vfp;
+		int vbp = dsi->vm_timings.vbp;
+		int window_sync = dsi->vm_timings.window_sync;
+		bool hsync_end = dsi->vm_timings.vp_hsync_end;
+		struct omap_video_timings *timings = &dsi->timings;
+		int bpp = dsi_get_pixel_size(dsi->pix_fmt);
 		int tl, t_he, width_bytes;
 
 		t_he = hsync_end ?
@@ -4100,16 +4263,84 @@ int omapdss_dsi_configure_pins(struct omap_dss_device *dssdev,
 }
 EXPORT_SYMBOL(omapdss_dsi_configure_pins);
 
-int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
+int omapdss_dsi_set_clocks(struct omap_dss_device *dssdev,
+		unsigned long ddr_clk, unsigned long lp_clk)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dsi_clock_info cinfo;
+	struct dispc_clock_info dispc_cinfo;
+	unsigned lp_clk_div;
+	unsigned long dsi_fclk;
 	int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+	unsigned long pck;
+	int r;
+
+	DSSDBGF("ddr_clk %lu, lp_clk %lu", ddr_clk, lp_clk);
+
+	mutex_lock(&dsi->lock);
+
+	/* Calculate PLL output clock */
+	r = dsi_pll_calc_ddrfreq(dsidev, ddr_clk * 4, &cinfo);
+	if (r)
+		goto err;
+
+	/* Calculate PLL's DSI clock */
+	dsi_pll_calc_dsi_fck(dsidev, &cinfo);
+
+	/* Calculate PLL's DISPC clock and pck & lck divs */
+	pck = cinfo.clkin4ddr / 16 * (dsi->num_lanes_used - 1) * 8 / bpp;
+	DSSDBG("finding dispc dividers for pck %lu\n", pck);
+	r = dsi_pll_calc_dispc_fck(dsidev, pck, &cinfo, &dispc_cinfo);
+	if (r)
+		goto err;
+
+	/* Calculate LP clock */
+	dsi_fclk = cinfo.dsi_pll_hsdiv_dsi_clk;
+	lp_clk_div = DIV_ROUND_UP(dsi_fclk, lp_clk * 2);
+
+	dssdev->clocks.dsi.regn = cinfo.regn;
+	dssdev->clocks.dsi.regm = cinfo.regm;
+	dssdev->clocks.dsi.regm_dispc = cinfo.regm_dispc;
+	dssdev->clocks.dsi.regm_dsi = cinfo.regm_dsi;
+
+	dssdev->clocks.dsi.lp_clk_div = lp_clk_div;
+
+	dssdev->clocks.dispc.channel.lck_div = dispc_cinfo.lck_div;
+	dssdev->clocks.dispc.channel.pck_div = dispc_cinfo.pck_div;
+
+	dssdev->clocks.dispc.dispc_fclk_src = OMAP_DSS_CLK_SRC_FCK;
+
+	dssdev->clocks.dispc.channel.lcd_clk_src =
+		dsi->module_id == 0 ?
+		OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC :
+		OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC;
+
+	dssdev->clocks.dsi.dsi_fclk_src =
+		dsi->module_id == 0 ?
+		OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI :
+		OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI;
+
+	mutex_unlock(&dsi->lock);
+	return 0;
+err:
+	mutex_unlock(&dsi->lock);
+	return r;
+}
+EXPORT_SYMBOL(omapdss_dsi_set_clocks);
+
+int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+	int bpp = dsi_get_pixel_size(dsi->pix_fmt);
 	u8 data_type;
 	u16 word_count;
 	int r;
 
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
-		switch (dssdev->panel.dsi_pix_fmt) {
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		switch (dsi->pix_fmt) {
 		case OMAP_DSS_DSI_FMT_RGB888:
 			data_type = MIPI_DSI_PACKED_PIXEL_STREAM_24;
 			break;
@@ -4133,7 +4364,7 @@ int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
 		/* MODE, 1 = video mode */
 		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 4, 4);
 
-		word_count = DIV_ROUND_UP(dssdev->panel.timings.x_res * bpp, 8);
+		word_count = DIV_ROUND_UP(dsi->timings.x_res * bpp, 8);
 
 		dsi_vc_write_long_header(dsidev, channel, data_type,
 				word_count, 0);
@@ -4142,9 +4373,9 @@ int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
 		dsi_if_enable(dsidev, true);
 	}
 
-	r = dss_mgr_enable(dssdev->manager);
+	r = dss_mgr_enable(mgr);
 	if (r) {
-		if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
 			dsi_if_enable(dsidev, false);
 			dsi_vc_enable(dsidev, channel, false);
 		}
@@ -4159,8 +4390,10 @@ EXPORT_SYMBOL(dsi_enable_video_output);
 void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
 		dsi_if_enable(dsidev, false);
 		dsi_vc_enable(dsidev, channel, false);
 
@@ -4171,15 +4404,15 @@ void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
 		dsi_if_enable(dsidev, true);
 	}
 
-	dss_mgr_disable(dssdev->manager);
+	dss_mgr_disable(mgr);
 }
 EXPORT_SYMBOL(dsi_disable_video_output);
 
-static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
-		u16 w, u16 h)
+static void dsi_update_screen_dispc(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	unsigned bytespp;
 	unsigned bytespl;
 	unsigned bytespf;
@@ -4190,12 +4423,14 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
 	int r;
 	const unsigned channel = dsi->update_channel;
 	const unsigned line_buf_size = dsi_get_line_buf_size(dsidev);
+	u16 w = dsi->timings.x_res;
+	u16 h = dsi->timings.y_res;
 
 	DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h);
 
 	dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_VP);
 
-	bytespp	= dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8;
+	bytespp	= dsi_get_pixel_size(dsi->pix_fmt) / 8;
 	bytespl = w * bytespp;
 	bytespf = bytespl * h;
 
@@ -4239,7 +4474,9 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
 		msecs_to_jiffies(250));
 	BUG_ON(r == 0);
 
-	dss_mgr_start_update(dssdev->manager);
+	dss_mgr_set_timings(mgr, &dsi->timings);
+
+	dss_mgr_start_update(mgr);
 
 	if (dsi->te_enabled) {
 		/* disable LP_RX_TO, so that we can receive TE.  Time to wait
@@ -4297,8 +4534,7 @@ static void dsi_framedone_timeout_work_callback(struct work_struct *work)
 
 static void dsi_framedone_irq_callback(void *data, u32 mask)
 {
-	struct omap_dss_device *dssdev = (struct omap_dss_device *) data;
-	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct platform_device *dsidev = (struct platform_device *) data;
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
 	/* Note: We get FRAMEDONE when DISPC has finished sending pixels and
@@ -4325,13 +4561,14 @@ int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
 	dsi->framedone_callback = callback;
 	dsi->framedone_data = data;
 
-	dssdev->driver->get_resolution(dssdev, &dw, &dh);
+	dw = dsi->timings.x_res;
+	dh = dsi->timings.y_res;
 
 #ifdef DEBUG
 	dsi->update_bytes = dw * dh *
-		dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8;
+		dsi_get_pixel_size(dsi->pix_fmt) / 8;
 #endif
-	dsi_update_screen_dispc(dssdev, dw, dh);
+	dsi_update_screen_dispc(dssdev);
 
 	return 0;
 }
@@ -4367,28 +4604,22 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-	struct omap_video_timings timings;
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	int r;
 	u32 irq = 0;
 
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) {
-		u16 dw, dh;
-
-		dssdev->driver->get_resolution(dssdev, &dw, &dh);
-
-		timings.x_res = dw;
-		timings.y_res = dh;
-		timings.hsw = 1;
-		timings.hfp = 1;
-		timings.hbp = 1;
-		timings.vsw = 1;
-		timings.vfp = 0;
-		timings.vbp = 0;
+	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) {
+		dsi->timings.hsw = 1;
+		dsi->timings.hfp = 1;
+		dsi->timings.hbp = 1;
+		dsi->timings.vsw = 1;
+		dsi->timings.vfp = 0;
+		dsi->timings.vbp = 0;
 
-		irq = dispc_mgr_get_framedone_irq(dssdev->manager->id);
+		irq = dispc_mgr_get_framedone_irq(mgr->id);
 
 		r = omap_dispc_register_isr(dsi_framedone_irq_callback,
-			(void *) dssdev, irq);
+			(void *) dsidev, irq);
 		if (r) {
 			DSSERR("can't get FRAMEDONE irq\n");
 			goto err;
@@ -4397,8 +4628,6 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
 		dsi->mgr_config.stallmode = true;
 		dsi->mgr_config.fifohandcheck = true;
 	} else {
-		timings = dssdev->panel.timings;
-
 		dsi->mgr_config.stallmode = false;
 		dsi->mgr_config.fifohandcheck = false;
 	}
@@ -4407,14 +4636,14 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
 	 * override interlace, logic level and edge related parameters in
 	 * omap_video_timings with default values
 	 */
-	timings.interlace = false;
-	timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
-	timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
-	timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
-	timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH;
-	timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES;
+	dsi->timings.interlace = false;
+	dsi->timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	dsi->timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	dsi->timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+	dsi->timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	dsi->timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES;
 
-	dss_mgr_set_timings(dssdev->manager, &timings);
+	dss_mgr_set_timings(mgr, &dsi->timings);
 
 	r = dsi_configure_dispc_clocks(dssdev);
 	if (r)
@@ -4422,29 +4651,33 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
 
 	dsi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
 	dsi->mgr_config.video_port_width =
-			dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
+			dsi_get_pixel_size(dsi->pix_fmt);
 	dsi->mgr_config.lcden_sig_polarity = 0;
 
-	dss_mgr_set_lcd_config(dssdev->manager, &dsi->mgr_config);
+	dss_mgr_set_lcd_config(mgr, &dsi->mgr_config);
 
 	return 0;
 err1:
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE)
+	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
 		omap_dispc_unregister_isr(dsi_framedone_irq_callback,
-			(void *) dssdev, irq);
+			(void *) dsidev, irq);
 err:
 	return r;
 }
 
 static void dsi_display_uninit_dispc(struct omap_dss_device *dssdev)
 {
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) {
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+
+	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) {
 		u32 irq;
 
-		irq = dispc_mgr_get_framedone_irq(dssdev->manager->id);
+		irq = dispc_mgr_get_framedone_irq(mgr->id);
 
 		omap_dispc_unregister_isr(dsi_framedone_irq_callback,
-			(void *) dssdev, irq);
+			(void *) dsidev, irq);
 	}
 }
 
@@ -4477,6 +4710,7 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	int r;
 
 	r = dsi_pll_init(dsidev, true, true);
@@ -4489,18 +4723,18 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev)
 
 	dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
 	dss_select_dsi_clk_source(dsi->module_id, dssdev->clocks.dsi.dsi_fclk_src);
-	dss_select_lcd_clk_source(dssdev->manager->id,
+	dss_select_lcd_clk_source(mgr->id,
 			dssdev->clocks.dispc.channel.lcd_clk_src);
 
 	DSSDBG("PLL OK\n");
 
-	r = dsi_cio_init(dssdev);
+	r = dsi_cio_init(dsidev);
 	if (r)
 		goto err2;
 
 	_dsi_print_reset_status(dsidev);
 
-	dsi_proto_timings(dssdev);
+	dsi_proto_timings(dsidev);
 	dsi_set_lp_clk_divisor(dssdev);
 
 	if (1)
@@ -4520,11 +4754,11 @@ static int dsi_display_init_dsi(struct omap_dss_device *dssdev)
 
 	return 0;
 err3:
-	dsi_cio_uninit(dssdev);
+	dsi_cio_uninit(dsidev);
 err2:
 	dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
 	dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK);
-	dss_select_lcd_clk_source(dssdev->manager->id, OMAP_DSS_CLK_SRC_FCK);
+	dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
 
 err1:
 	dsi_pll_uninit(dsidev, true);
@@ -4537,6 +4771,7 @@ static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev,
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 
 	if (enter_ulps && !dsi->ulps_enabled)
 		dsi_enter_ulps(dsidev);
@@ -4550,8 +4785,8 @@ static void dsi_display_uninit_dsi(struct omap_dss_device *dssdev,
 
 	dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
 	dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK);
-	dss_select_lcd_clk_source(dssdev->manager->id, OMAP_DSS_CLK_SRC_FCK);
-	dsi_cio_uninit(dssdev);
+	dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
+	dsi_cio_uninit(dsidev);
 	dsi_pll_uninit(dsidev, disconnect_lanes);
 }
 
@@ -4559,6 +4794,7 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_dss_output *out = dssdev->output;
 	int r = 0;
 
 	DSSDBG("dsi_display_enable\n");
@@ -4567,8 +4803,8 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev)
 
 	mutex_lock(&dsi->lock);
 
-	if (dssdev->manager == NULL) {
-		DSSERR("failed to enable display: no manager\n");
+	if (out == NULL || out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
 		r = -ENODEV;
 		goto err_start_dev;
 	}
@@ -4653,17 +4889,83 @@ int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable)
 }
 EXPORT_SYMBOL(omapdss_dsi_enable_te);
 
-static int __init dsi_init_display(struct omap_dss_device *dssdev)
+void omapdss_dsi_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
-	DSSDBG("DSI init\n");
+	mutex_lock(&dsi->lock);
 
-	if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_CMD_MODE) {
-		dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE |
-			OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;
-	}
+	dsi->timings = *timings;
+
+	mutex_unlock(&dsi->lock);
+}
+EXPORT_SYMBOL(omapdss_dsi_set_timings);
+
+void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	mutex_lock(&dsi->lock);
+
+	dsi->timings.x_res = w;
+	dsi->timings.y_res = h;
+
+	mutex_unlock(&dsi->lock);
+}
+EXPORT_SYMBOL(omapdss_dsi_set_size);
+
+void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev,
+		enum omap_dss_dsi_pixel_format fmt)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	mutex_lock(&dsi->lock);
+
+	dsi->pix_fmt = fmt;
+
+	mutex_unlock(&dsi->lock);
+}
+EXPORT_SYMBOL(omapdss_dsi_set_pixel_format);
+
+void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev,
+		enum omap_dss_dsi_mode mode)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	mutex_lock(&dsi->lock);
+
+	dsi->mode = mode;
+
+	mutex_unlock(&dsi->lock);
+}
+EXPORT_SYMBOL(omapdss_dsi_set_operation_mode);
+
+void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev,
+		struct omap_dss_dsi_videomode_timings *timings)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	mutex_lock(&dsi->lock);
+
+	dsi->vm_timings = *timings;
+
+	mutex_unlock(&dsi->lock);
+}
+EXPORT_SYMBOL(omapdss_dsi_set_videomode_timings);
+
+static int __init dsi_init_display(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev =
+			dsi_get_dsidev_from_id(dssdev->phy.dsi.module);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	DSSDBG("DSI init\n");
 
 	if (dsi->vdds_dsi_reg == NULL) {
 		struct regulator *vdds_dsi;
@@ -4806,11 +5108,15 @@ static void dsi_put_clocks(struct platform_device *dsidev)
 		clk_put(dsi->sys_clk);
 }
 
-static void __init dsi_probe_pdata(struct platform_device *dsidev)
+static struct omap_dss_device * __init dsi_find_dssdev(struct platform_device *pdev)
 {
-	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-	struct omap_dss_board_info *pdata = dsidev->dev.platform_data;
-	int i, r;
+	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
+	const char *def_disp_name = dss_get_default_display_name();
+	struct omap_dss_device *def_dssdev;
+	int i;
+
+	def_dssdev = NULL;
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
@@ -4821,19 +5127,73 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev)
 		if (dssdev->phy.dsi.module != dsi->module_id)
 			continue;
 
-		r = dsi_init_display(dssdev);
-		if (r) {
-			DSSERR("device %s init failed: %d\n", dssdev->name, r);
-			continue;
+		if (def_dssdev == NULL)
+			def_dssdev = dssdev;
+
+		if (def_disp_name != NULL &&
+				strcmp(dssdev->name, def_disp_name) == 0) {
+			def_dssdev = dssdev;
+			break;
 		}
+	}
 
-		r = omap_dss_register_device(dssdev, &dsidev->dev, i);
-		if (r)
-			DSSERR("device %s register failed: %d\n",
-					dssdev->name, r);
+	return def_dssdev;
+}
+
+static void __init dsi_probe_pdata(struct platform_device *dsidev)
+{
+	struct omap_dss_device *plat_dssdev;
+	struct omap_dss_device *dssdev;
+	int r;
+
+	plat_dssdev = dsi_find_dssdev(dsidev);
+
+	if (!plat_dssdev)
+		return;
+
+	dssdev = dss_alloc_and_init_device(&dsidev->dev);
+	if (!dssdev)
+		return;
+
+	dss_copy_device_pdata(dssdev, plat_dssdev);
+
+	r = dsi_init_display(dssdev);
+	if (r) {
+		DSSERR("device %s init failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
+	}
+
+	r = dss_add_device(dssdev);
+	if (r) {
+		DSSERR("device %s register failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
 	}
 }
 
+static void __init dsi_init_output(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_dss_output *out = &dsi->output;
+
+	out->pdev = dsidev;
+	out->id = dsi->module_id == 0 ?
+			OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
+
+	out->type = OMAP_DISPLAY_TYPE_DSI;
+
+	dss_register_output(out);
+}
+
+static void __exit dsi_uninit_output(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_dss_output *out = &dsi->output;
+
+	dss_unregister_output(out);
+}
+
 /* DSI1 HW IP initialisation */
 static int __init omap_dsihw_probe(struct platform_device *dsidev)
 {
@@ -4848,7 +5208,6 @@ static int __init omap_dsihw_probe(struct platform_device *dsidev)
 
 	dsi->module_id = dsidev->id;
 	dsi->pdev = dsidev;
-	dsi_pdev_map[dsi->module_id] = dsidev;
 	dev_set_drvdata(&dsidev->dev, dsi);
 
 	spin_lock_init(&dsi->irq_lock);
@@ -4928,6 +5287,8 @@ static int __init omap_dsihw_probe(struct platform_device *dsidev)
 	else
 		dsi->num_lanes_supported = 3;
 
+	dsi_init_output(dsidev);
+
 	dsi_probe_pdata(dsidev);
 
 	dsi_runtime_put(dsidev);
@@ -4957,7 +5318,9 @@ static int __exit omap_dsihw_remove(struct platform_device *dsidev)
 
 	WARN_ON(dsi->scp_clk_refcount > 0);
 
-	omap_dss_unregister_child_devices(&dsidev->dev);
+	dss_unregister_child_devices(&dsidev->dev);
+
+	dsi_uninit_output(dsidev);
 
 	pm_runtime_disable(&dsidev->dev);
 
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 04b4586113e..2ab1c3e9655 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -31,11 +31,11 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/gfp.h>
 
 #include <video/omapdss.h>
 
 #include <plat/cpu.h>
-#include <plat/clock.h>
 
 #include "dss.h"
 #include "dss_features.h"
@@ -65,6 +65,13 @@ struct dss_reg {
 static int dss_runtime_get(void);
 static void dss_runtime_put(void);
 
+struct dss_features {
+	u8 fck_div_max;
+	u8 dss_fck_multiplier;
+	const char *clk_name;
+	int (*dpi_select_source)(enum omap_channel channel);
+};
+
 static struct {
 	struct platform_device *pdev;
 	void __iomem    *base;
@@ -83,6 +90,8 @@ static struct {
 
 	bool		ctx_valid;
 	u32		ctx[DSS_SZ_REGS / sizeof(u32)];
+
+	const struct dss_features *feat;
 } dss;
 
 static const char * const dss_generic_clk_source_names[] = {
@@ -144,7 +153,7 @@ static void dss_restore_context(void)
 #undef SR
 #undef RR
 
-void dss_sdi_init(u8 datapairs)
+void dss_sdi_init(int datapairs)
 {
 	u32 l;
 
@@ -236,7 +245,6 @@ const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src)
 	return dss_generic_clk_source_names[clk_src];
 }
 
-
 void dss_dump_clocks(struct seq_file *s)
 {
 	unsigned long dpll4_ck_rate;
@@ -259,18 +267,10 @@ void dss_dump_clocks(struct seq_file *s)
 
 		seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate);
 
-		if (cpu_is_omap3630() || cpu_is_omap44xx())
-			seq_printf(s, "%s (%s) = %lu / %lu  = %lu\n",
-					fclk_name, fclk_real_name,
-					dpll4_ck_rate,
-					dpll4_ck_rate / dpll4_m4_ck_rate,
-					fclk_rate);
-		else
-			seq_printf(s, "%s (%s) = %lu / %lu * 2 = %lu\n",
-					fclk_name, fclk_real_name,
-					dpll4_ck_rate,
-					dpll4_ck_rate / dpll4_m4_ck_rate,
-					fclk_rate);
+		seq_printf(s, "%s (%s) = %lu / %lu * %d  = %lu\n",
+				fclk_name, fclk_real_name, dpll4_ck_rate,
+				dpll4_ck_rate / dpll4_m4_ck_rate,
+				dss.feat->dss_fck_multiplier, fclk_rate);
 	} else {
 		seq_printf(s, "%s (%s) = %lu\n",
 				fclk_name, fclk_real_name,
@@ -431,31 +431,6 @@ enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel)
 	}
 }
 
-/* calculate clock rates using dividers in cinfo */
-int dss_calc_clock_rates(struct dss_clock_info *cinfo)
-{
-	if (dss.dpll4_m4_ck) {
-		unsigned long prate;
-		u16 fck_div_max = 16;
-
-		if (cpu_is_omap3630() || cpu_is_omap44xx())
-			fck_div_max = 32;
-
-		if (cinfo->fck_div > fck_div_max || cinfo->fck_div == 0)
-			return -EINVAL;
-
-		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
-
-		cinfo->fck = prate / cinfo->fck_div;
-	} else {
-		if (cinfo->fck_div != 0)
-			return -EINVAL;
-		cinfo->fck = clk_get_rate(dss.dss_clk);
-	}
-
-	return 0;
-}
-
 int dss_set_clock_div(struct dss_clock_info *cinfo)
 {
 	if (dss.dpll4_m4_ck) {
@@ -478,26 +453,6 @@ int dss_set_clock_div(struct dss_clock_info *cinfo)
 	return 0;
 }
 
-int dss_get_clock_div(struct dss_clock_info *cinfo)
-{
-	cinfo->fck = clk_get_rate(dss.dss_clk);
-
-	if (dss.dpll4_m4_ck) {
-		unsigned long prate;
-
-		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
-
-		if (cpu_is_omap3630() || cpu_is_omap44xx())
-			cinfo->fck_div = prate / (cinfo->fck);
-		else
-			cinfo->fck_div = prate / (cinfo->fck / 2);
-	} else {
-		cinfo->fck_div = 0;
-	}
-
-	return 0;
-}
-
 unsigned long dss_get_dpll4_rate(void)
 {
 	if (dss.dpll4_m4_ck)
@@ -515,7 +470,7 @@ int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo,
 
 	unsigned long fck, max_dss_fck;
 
-	u16 fck_div, fck_div_max = 16;
+	u16 fck_div;
 
 	int match = 0;
 	int min_fck_per_pck;
@@ -525,9 +480,8 @@ int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo,
 	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
 
 	fck = clk_get_rate(dss.dss_clk);
-	if (req_pck == dss.cache_req_pck &&
-			((cpu_is_omap34xx() && prate == dss.cache_prate) ||
-			 dss.cache_dss_cinfo.fck == fck)) {
+	if (req_pck == dss.cache_req_pck && prate == dss.cache_prate &&
+		dss.cache_dss_cinfo.fck == fck) {
 		DSSDBG("dispc clock info found from cache.\n");
 		*dss_cinfo = dss.cache_dss_cinfo;
 		*dispc_cinfo = dss.cache_dispc_cinfo;
@@ -564,16 +518,10 @@ retry:
 
 		goto found;
 	} else {
-		if (cpu_is_omap3630() || cpu_is_omap44xx())
-			fck_div_max = 32;
-
-		for (fck_div = fck_div_max; fck_div > 0; --fck_div) {
+		for (fck_div = dss.feat->fck_div_max; fck_div > 0; --fck_div) {
 			struct dispc_clock_info cur_dispc;
 
-			if (fck_div_max == 32)
-				fck = prate / fck_div;
-			else
-				fck = prate / fck_div * 2;
+			fck = prate / fck_div * dss.feat->dss_fck_multiplier;
 
 			if (fck > max_dss_fck)
 				continue;
@@ -648,9 +596,18 @@ void dss_set_dac_pwrdn_bgz(bool enable)
 	REG_FLD_MOD(DSS_CONTROL, enable, 5, 5);	/* DAC Power-Down Control */
 }
 
-void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select hdmi)
+void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select src)
 {
-	REG_FLD_MOD(DSS_CONTROL, hdmi, 15, 15);	/* VENC_HDMI_SWITCH */
+	enum omap_display_type dp;
+	dp = dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_DIGIT);
+
+	/* Complain about invalid selections */
+	WARN_ON((src == DSS_VENC_TV_CLK) && !(dp & OMAP_DISPLAY_TYPE_VENC));
+	WARN_ON((src == DSS_HDMI_M_PCLK) && !(dp & OMAP_DISPLAY_TYPE_HDMI));
+
+	/* Select only if we have options */
+	if ((dp & OMAP_DISPLAY_TYPE_VENC) && (dp & OMAP_DISPLAY_TYPE_HDMI))
+		REG_FLD_MOD(DSS_CONTROL, src, 15, 15);	/* VENC_HDMI_SWITCH */
 }
 
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void)
@@ -661,9 +618,71 @@ enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void)
 	if ((displays & OMAP_DISPLAY_TYPE_HDMI) == 0)
 		return DSS_VENC_TV_CLK;
 
+	if ((displays & OMAP_DISPLAY_TYPE_VENC) == 0)
+		return DSS_HDMI_M_PCLK;
+
 	return REG_GET(DSS_CONTROL, 15, 15);
 }
 
+static int dss_dpi_select_source_omap2_omap3(enum omap_channel channel)
+{
+	if (channel != OMAP_DSS_CHANNEL_LCD)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int dss_dpi_select_source_omap4(enum omap_channel channel)
+{
+	int val;
+
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD2:
+		val = 0;
+		break;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		val = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	REG_FLD_MOD(DSS_CONTROL, val, 17, 17);
+
+	return 0;
+}
+
+static int dss_dpi_select_source_omap5(enum omap_channel channel)
+{
+	int val;
+
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		val = 1;
+		break;
+	case OMAP_DSS_CHANNEL_LCD2:
+		val = 2;
+		break;
+	case OMAP_DSS_CHANNEL_LCD3:
+		val = 3;
+		break;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		val = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	REG_FLD_MOD(DSS_CONTROL, val, 17, 16);
+
+	return 0;
+}
+
+int dss_dpi_select_source(enum omap_channel channel)
+{
+	return dss.feat->dpi_select_source(channel);
+}
+
 static int dss_get_clocks(void)
 {
 	struct clk *clk;
@@ -678,22 +697,11 @@ static int dss_get_clocks(void)
 
 	dss.dss_clk = clk;
 
-	if (cpu_is_omap34xx()) {
-		clk = clk_get(NULL, "dpll4_m4_ck");
-		if (IS_ERR(clk)) {
-			DSSERR("Failed to get dpll4_m4_ck\n");
-			r = PTR_ERR(clk);
-			goto err;
-		}
-	} else if (cpu_is_omap44xx()) {
-		clk = clk_get(NULL, "dpll_per_m5x2_ck");
-		if (IS_ERR(clk)) {
-			DSSERR("Failed to get dpll_per_m5x2_ck\n");
-			r = PTR_ERR(clk);
-			goto err;
-		}
-	} else { /* omap24xx */
-		clk = NULL;
+	clk = clk_get(NULL, dss.feat->clk_name);
+	if (IS_ERR(clk)) {
+		DSSERR("Failed to get %s\n", dss.feat->clk_name);
+		r = PTR_ERR(clk);
+		goto err;
 	}
 
 	dss.dpll4_m4_ck = clk;
@@ -749,6 +757,71 @@ void dss_debug_dump_clocks(struct seq_file *s)
 }
 #endif
 
+static const struct dss_features omap24xx_dss_feats __initconst = {
+	.fck_div_max		=	16,
+	.dss_fck_multiplier	=	2,
+	.clk_name		=	NULL,
+	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
+};
+
+static const struct dss_features omap34xx_dss_feats __initconst = {
+	.fck_div_max		=	16,
+	.dss_fck_multiplier	=	2,
+	.clk_name		=	"dpll4_m4_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
+};
+
+static const struct dss_features omap3630_dss_feats __initconst = {
+	.fck_div_max		=	32,
+	.dss_fck_multiplier	=	1,
+	.clk_name		=	"dpll4_m4_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
+};
+
+static const struct dss_features omap44xx_dss_feats __initconst = {
+	.fck_div_max		=	32,
+	.dss_fck_multiplier	=	1,
+	.clk_name		=	"dpll_per_m5x2_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap4,
+};
+
+static const struct dss_features omap54xx_dss_feats __initconst = {
+	.fck_div_max		=	64,
+	.dss_fck_multiplier	=	1,
+	.clk_name		=	"dpll_per_h12x2_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap5,
+};
+
+static int __init dss_init_features(struct device *dev)
+{
+	const struct dss_features *src;
+	struct dss_features *dst;
+
+	dst = devm_kzalloc(dev, sizeof(*dst), GFP_KERNEL);
+	if (!dst) {
+		dev_err(dev, "Failed to allocate local DSS Features\n");
+		return -ENOMEM;
+	}
+
+	if (cpu_is_omap24xx())
+		src = &omap24xx_dss_feats;
+	else if (cpu_is_omap34xx())
+		src = &omap34xx_dss_feats;
+	else if (cpu_is_omap3630())
+		src = &omap3630_dss_feats;
+	else if (cpu_is_omap44xx())
+		src = &omap44xx_dss_feats;
+	else if (soc_is_omap54xx())
+		src = &omap54xx_dss_feats;
+	else
+		return -ENODEV;
+
+	memcpy(dst, src, sizeof(*dst));
+	dss.feat = dst;
+
+	return 0;
+}
+
 /* DSS HW IP initialisation */
 static int __init omap_dsshw_probe(struct platform_device *pdev)
 {
@@ -758,6 +831,10 @@ static int __init omap_dsshw_probe(struct platform_device *pdev)
 
 	dss.pdev = pdev;
 
+	r = dss_init_features(&dss.pdev->dev);
+	if (r)
+		return r;
+
 	dss_mem = platform_get_resource(dss.pdev, IORESOURCE_MEM, 0);
 	if (!dss_mem) {
 		DSSERR("can't get IORESOURCE_MEM DSS\n");
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index f67afe76f21..6728892f9da 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -113,6 +113,17 @@ enum dss_dsi_content_type {
 	DSS_DSI_CONTENT_GENERIC,
 };
 
+enum dss_writeback_channel {
+	DSS_WB_LCD1_MGR =	0,
+	DSS_WB_LCD2_MGR =	1,
+	DSS_WB_TV_MGR =		2,
+	DSS_WB_OVL0 =		3,
+	DSS_WB_OVL1 =		4,
+	DSS_WB_OVL2 =		5,
+	DSS_WB_OVL3 =		6,
+	DSS_WB_LCD3_MGR =	7,
+};
+
 struct dss_clock_info {
 	/* rates that we get with dividers below */
 	unsigned long fck;
@@ -175,6 +186,7 @@ struct seq_file;
 struct platform_device;
 
 /* core */
+const char *dss_get_default_display_name(void);
 struct bus_type *dss_get_bus(void);
 struct regulator *dss_get_vdds_dsi(void);
 struct regulator *dss_get_vdds_sdi(void);
@@ -184,10 +196,13 @@ void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
 int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
 int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
 
-int omap_dss_register_device(struct omap_dss_device *dssdev,
-		struct device *parent, int disp_num);
-void omap_dss_unregister_device(struct omap_dss_device *dssdev);
-void omap_dss_unregister_child_devices(struct device *parent);
+struct omap_dss_device *dss_alloc_and_init_device(struct device *parent);
+int dss_add_device(struct omap_dss_device *dssdev);
+void dss_unregister_device(struct omap_dss_device *dssdev);
+void dss_unregister_child_devices(struct device *parent);
+void dss_put_device(struct omap_dss_device *dssdev);
+void dss_copy_device_pdata(struct omap_dss_device *dst,
+		const struct omap_dss_device *src);
 
 /* apply */
 void dss_apply_init(void);
@@ -205,8 +220,11 @@ void dss_mgr_get_info(struct omap_overlay_manager *mgr,
 int dss_mgr_set_device(struct omap_overlay_manager *mgr,
 		struct omap_dss_device *dssdev);
 int dss_mgr_unset_device(struct omap_overlay_manager *mgr);
+int dss_mgr_set_output(struct omap_overlay_manager *mgr,
+		struct omap_dss_output *output);
+int dss_mgr_unset_output(struct omap_overlay_manager *mgr);
 void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
-		struct omap_video_timings *timings);
+		const struct omap_video_timings *timings);
 void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
 		const struct dss_lcd_mgr_config *config);
 const struct omap_video_timings *dss_mgr_get_timings(struct omap_overlay_manager *mgr);
@@ -222,12 +240,17 @@ int dss_ovl_set_manager(struct omap_overlay *ovl,
 		struct omap_overlay_manager *mgr);
 int dss_ovl_unset_manager(struct omap_overlay *ovl);
 
+/* output */
+void dss_register_output(struct omap_dss_output *out);
+void dss_unregister_output(struct omap_dss_output *out);
+struct omap_dss_output *omapdss_get_output_from_dssdev(struct omap_dss_device *dssdev);
+
 /* display */
 int dss_suspend_all_devices(void);
 int dss_resume_all_devices(void);
 void dss_disable_all_devices(void);
 
-void dss_init_device(struct platform_device *pdev,
+int dss_init_device(struct platform_device *pdev,
 		struct omap_dss_device *dssdev);
 void dss_uninit_device(struct platform_device *pdev,
 		struct omap_dss_device *dssdev);
@@ -254,22 +277,29 @@ static inline bool dss_mgr_is_lcd(enum omap_channel id)
 		return false;
 }
 
+int dss_manager_kobj_init(struct omap_overlay_manager *mgr,
+		struct platform_device *pdev);
+void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr);
+
 /* overlay */
 void dss_init_overlays(struct platform_device *pdev);
 void dss_uninit_overlays(struct platform_device *pdev);
 void dss_overlay_setup_dispc_manager(struct omap_overlay_manager *mgr);
-void dss_recheck_connections(struct omap_dss_device *dssdev, bool force);
 int dss_ovl_simple_check(struct omap_overlay *ovl,
 		const struct omap_overlay_info *info);
 int dss_ovl_check(struct omap_overlay *ovl, struct omap_overlay_info *info,
 		const struct omap_video_timings *mgr_timings);
 bool dss_ovl_use_replication(struct dss_lcd_mgr_config config,
 		enum omap_color_mode mode);
+int dss_overlay_kobj_init(struct omap_overlay *ovl,
+		struct platform_device *pdev);
+void dss_overlay_kobj_uninit(struct omap_overlay *ovl);
 
 /* DSS */
 int dss_init_platform_driver(void) __init;
 void dss_uninit_platform_driver(void);
 
+int dss_dpi_select_source(enum omap_channel channel);
 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
 const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src);
@@ -279,7 +309,7 @@ void dss_dump_clocks(struct seq_file *s);
 void dss_debug_dump_clocks(struct seq_file *s);
 #endif
 
-void dss_sdi_init(u8 datapairs);
+void dss_sdi_init(int datapairs);
 int dss_sdi_enable(void);
 void dss_sdi_disable(void);
 
@@ -296,9 +326,7 @@ void dss_set_venc_output(enum omap_dss_venc_type type);
 void dss_set_dac_pwrdn_bgz(bool enable);
 
 unsigned long dss_get_dpll4_rate(void);
-int dss_calc_clock_rates(struct dss_clock_info *cinfo);
 int dss_set_clock_div(struct dss_clock_info *cinfo);
-int dss_get_clock_div(struct dss_clock_info *cinfo);
 int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo,
 		struct dispc_clock_info *dispc_cinfo);
 
@@ -427,8 +455,9 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high);
 void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
 		u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
 		bool manual_update);
-int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
-		bool replication, const struct omap_video_timings *mgr_timings);
+int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
+		bool replication, const struct omap_video_timings *mgr_timings,
+		bool mem_to_mem);
 int dispc_ovl_enable(enum omap_plane plane, bool enable);
 void dispc_ovl_set_channel_out(enum omap_plane plane,
 		enum omap_channel channel);
@@ -457,6 +486,15 @@ int dispc_mgr_get_clock_div(enum omap_channel channel,
 void dispc_mgr_setup(enum omap_channel channel,
 		struct omap_overlay_manager_info *info);
 
+u32 dispc_wb_get_framedone_irq(void);
+bool dispc_wb_go_busy(void);
+void dispc_wb_go(void);
+void dispc_wb_enable(bool enable);
+bool dispc_wb_is_enabled(void);
+void dispc_wb_set_channel_in(enum dss_writeback_channel channel);
+int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
+		bool mem_to_mem, const struct omap_video_timings *timings);
+
 /* VENC */
 #ifdef CONFIG_OMAP2_DSS_VENC
 int venc_init_platform_driver(void) __init;
@@ -469,6 +507,20 @@ static inline unsigned long venc_get_pixel_clock(void)
 	return 0;
 }
 #endif
+int omapdss_venc_display_enable(struct omap_dss_device *dssdev);
+void omapdss_venc_display_disable(struct omap_dss_device *dssdev);
+void omapdss_venc_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings);
+int omapdss_venc_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings);
+u32 omapdss_venc_get_wss(struct omap_dss_device *dssdev);
+int omapdss_venc_set_wss(struct omap_dss_device *dssdev, u32 wss);
+void omapdss_venc_set_type(struct omap_dss_device *dssdev,
+		enum omap_dss_venc_type type);
+void omapdss_venc_invert_vid_out_polarity(struct omap_dss_device *dssdev,
+		bool invert_polarity);
+int venc_panel_init(void);
+void venc_panel_exit(void);
 
 /* HDMI */
 #ifdef CONFIG_OMAP4_DSS_HDMI
@@ -484,7 +536,8 @@ static inline unsigned long hdmi_get_pixel_clock(void)
 #endif
 int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev);
 void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev);
-void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev);
+void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings);
 int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
 					struct omap_video_timings *timings);
 int omapdss_hdmi_read_edid(u8 *buf, int len);
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 938709724f0..acbc1e1efba 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -46,7 +46,9 @@ struct omap_dss_features {
 
 	const int num_mgrs;
 	const int num_ovls;
+	const int num_wbs;
 	const enum omap_display_type *supported_displays;
+	const enum omap_dss_output_id *supported_outputs;
 	const enum omap_color_mode *supported_color_modes;
 	const enum omap_overlay_caps *overlay_caps;
 	const char * const *clksrc_names;
@@ -106,6 +108,21 @@ static const struct dss_reg_field omap4_dss_reg_fields[] = {
 	[FEAT_REG_DSIPLL_REGM_DSI]		= { 30, 26 },
 };
 
+static const struct dss_reg_field omap5_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 9, 7 },
+	[FEAT_REG_DSIPLL_REGN]			= { 8, 1 },
+	[FEAT_REG_DSIPLL_REGM]			= { 20, 9 },
+	[FEAT_REG_DSIPLL_REGM_DISPC]		= { 25, 21 },
+	[FEAT_REG_DSIPLL_REGM_DSI]		= { 30, 26 },
+};
+
 static const enum omap_display_type omap2_dss_supported_displays[] = {
 	/* OMAP_DSS_CHANNEL_LCD */
 	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
@@ -144,6 +161,76 @@ static const enum omap_display_type omap4_dss_supported_displays[] = {
 	OMAP_DISPLAY_TYPE_DSI,
 };
 
+static const enum omap_display_type omap5_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_HDMI | OMAP_DISPLAY_TYPE_DPI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+};
+
+static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI |
+	OMAP_DSS_OUTPUT_DPI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
+static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_HDMI | OMAP_DSS_OUTPUT_DPI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_LCD3 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
 static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
 	/* OMAP_DSS_GFX */
 	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
@@ -224,58 +311,80 @@ static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
 	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
 	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
 	OMAP_DSS_COLOR_RGBX32,
+
+	/* OMAP_DSS_WB */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
 };
 
 static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
 	/* OMAP_DSS_GFX */
-	0,
+	OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO1 */
-	OMAP_DSS_OVL_CAP_SCALE,
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO2 */
-	OMAP_DSS_OVL_CAP_SCALE,
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
 };
 
 static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
 	/* OMAP_DSS_GFX */
-	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO1 */
-	OMAP_DSS_OVL_CAP_SCALE,
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO2 */
-	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA,
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 };
 
 static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
 	/* OMAP_DSS_GFX */
-	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO1 */
-	OMAP_DSS_OVL_CAP_SCALE,
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO2 */
 	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
-		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA,
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
 };
 
 static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
 	/* OMAP_DSS_GFX */
 	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
-		OMAP_DSS_OVL_CAP_ZORDER,
+		OMAP_DSS_OVL_CAP_ZORDER | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO1 */
 	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
-		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO2 */
 	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
-		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 
 	/* OMAP_DSS_VIDEO3 */
 	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
-		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER,
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
 };
 
 static const char * const omap2_dss_clk_source_names[] = {
@@ -298,6 +407,14 @@ static const char * const omap4_dss_clk_source_names[] = {
 	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]	= "PLL2_CLK2",
 };
 
+static const char * const omap5_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "DPLL_DSI1_A_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "DPLL_DSI1_A_CLK2",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_CLK",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC]	= "DPLL_DSI1_C_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]	= "DPLL_DSI1_C_CLK2",
+};
+
 static const struct dss_param_range omap2_dss_param_range[] = {
 	[FEAT_PARAM_DSS_FCK]			= { 0, 173000000 },
 	[FEAT_PARAM_DSS_PCD]			= { 2, 255 },
@@ -326,6 +443,7 @@ static const struct dss_param_range omap3_dss_param_range[] = {
 	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, (1 << 4) - 1 },
 	[FEAT_PARAM_DSIPLL_FINT]		= { 750000, 2100000 },
 	[FEAT_PARAM_DSIPLL_LPDIV]		= { 1, (1 << 13) - 1},
+	[FEAT_PARAM_DSI_FCK]			= { 0, 173000000 },
 	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
 	[FEAT_PARAM_LINEWIDTH]			= { 1, 1024 },
 	[FEAT_PARAM_MGR_WIDTH]			= { 1, 2048 },
@@ -341,6 +459,23 @@ static const struct dss_param_range omap4_dss_param_range[] = {
 	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, (1 << 5) - 1 },
 	[FEAT_PARAM_DSIPLL_FINT]		= { 500000, 2500000 },
 	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, (1 << 13) - 1 },
+	[FEAT_PARAM_DSI_FCK]			= { 0, 170000000 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 2048 },
+	[FEAT_PARAM_MGR_WIDTH]			= { 1, 2048 },
+	[FEAT_PARAM_MGR_HEIGHT]			= { 1, 2048 },
+};
+
+static const struct dss_param_range omap5_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 200000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
+	[FEAT_PARAM_DSIPLL_REGN]		= { 0, (1 << 8) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM]		= { 0, (1 << 12) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM_DISPC]		= { 0, (1 << 5) - 1 },
+	[FEAT_PARAM_DSIPLL_REGM_DSI]		= { 0, (1 << 5) - 1 },
+	[FEAT_PARAM_DSIPLL_FINT]		= { 500000, 2500000 },
+	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, (1 << 13) - 1 },
+	[FEAT_PARAM_DSI_FCK]			= { 0, 170000000 },
 	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
 	[FEAT_PARAM_LINEWIDTH]			= { 1, 2048 },
 	[FEAT_PARAM_MGR_WIDTH]			= { 1, 2048 },
@@ -373,6 +508,26 @@ static const enum dss_feat_id omap3430_dss_feat_list[] = {
 	FEAT_ALPHA_FIXED_ZORDER,
 	FEAT_FIFO_MERGE,
 	FEAT_OMAP3_DSI_FIFO_BUG,
+	FEAT_DPI_USES_VDDS_DSI,
+};
+
+static const enum dss_feat_id am35xx_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	FEAT_DSI_PLL_FREQSEL,
+	FEAT_DSI_REVERSE_TXCLKESC,
+	FEAT_VENC_REQUIRES_TV_DAC_CLK,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_OMAP3_DSI_FIFO_BUG,
 };
 
 static const enum dss_feat_id omap3630_dss_feat_list[] = {
@@ -447,6 +602,28 @@ static const enum dss_feat_id omap4_dss_feat_list[] = {
 	FEAT_BURST_2D,
 };
 
+static const enum dss_feat_id omap5_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HDMI_AUDIO_USE_MCLK,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_BURST_2D,
+	FEAT_DSI_PLL_SELFREQDCO,
+	FEAT_DSI_PLL_REFSEL,
+	FEAT_DSI_PHY_DCC,
+};
+
 /* OMAP2 DSS Features */
 static const struct omap_dss_features omap2_dss_features = {
 	.reg_fields = omap2_dss_reg_fields,
@@ -458,6 +635,7 @@ static const struct omap_dss_features omap2_dss_features = {
 	.num_mgrs = 2,
 	.num_ovls = 3,
 	.supported_displays = omap2_dss_supported_displays,
+	.supported_outputs = omap2_dss_supported_outputs,
 	.supported_color_modes = omap2_dss_supported_color_modes,
 	.overlay_caps = omap2_dss_overlay_caps,
 	.clksrc_names = omap2_dss_clk_source_names,
@@ -478,6 +656,31 @@ static const struct omap_dss_features omap3430_dss_features = {
 	.num_mgrs = 2,
 	.num_ovls = 3,
 	.supported_displays = omap3430_dss_supported_displays,
+	.supported_outputs = omap3430_dss_supported_outputs,
+	.supported_color_modes = omap3_dss_supported_color_modes,
+	.overlay_caps = omap3430_dss_overlay_caps,
+	.clksrc_names = omap3_dss_clk_source_names,
+	.dss_params = omap3_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+/*
+ * AM35xx DSS Features. This is basically OMAP3 DSS Features without the
+ * vdds_dsi regulator.
+ */
+static const struct omap_dss_features am35xx_dss_features = {
+	.reg_fields = omap3_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
+
+	.features = am35xx_dss_feat_list,
+	.num_features = ARRAY_SIZE(am35xx_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap3430_dss_supported_displays,
+	.supported_outputs = omap3430_dss_supported_outputs,
 	.supported_color_modes = omap3_dss_supported_color_modes,
 	.overlay_caps = omap3430_dss_overlay_caps,
 	.clksrc_names = omap3_dss_clk_source_names,
@@ -497,6 +700,7 @@ static const struct omap_dss_features omap3630_dss_features = {
 	.num_mgrs = 2,
 	.num_ovls = 3,
 	.supported_displays = omap3630_dss_supported_displays,
+	.supported_outputs = omap3630_dss_supported_outputs,
 	.supported_color_modes = omap3_dss_supported_color_modes,
 	.overlay_caps = omap3630_dss_overlay_caps,
 	.clksrc_names = omap3_dss_clk_source_names,
@@ -517,7 +721,9 @@ static const struct omap_dss_features omap4430_es1_0_dss_features  = {
 
 	.num_mgrs = 3,
 	.num_ovls = 4,
+	.num_wbs = 1,
 	.supported_displays = omap4_dss_supported_displays,
+	.supported_outputs = omap4_dss_supported_outputs,
 	.supported_color_modes = omap4_dss_supported_color_modes,
 	.overlay_caps = omap4_dss_overlay_caps,
 	.clksrc_names = omap4_dss_clk_source_names,
@@ -537,7 +743,9 @@ static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
 
 	.num_mgrs = 3,
 	.num_ovls = 4,
+	.num_wbs = 1,
 	.supported_displays = omap4_dss_supported_displays,
+	.supported_outputs = omap4_dss_supported_outputs,
 	.supported_color_modes = omap4_dss_supported_color_modes,
 	.overlay_caps = omap4_dss_overlay_caps,
 	.clksrc_names = omap4_dss_clk_source_names,
@@ -557,7 +765,9 @@ static const struct omap_dss_features omap4_dss_features = {
 
 	.num_mgrs = 3,
 	.num_ovls = 4,
+	.num_wbs = 1,
 	.supported_displays = omap4_dss_supported_displays,
+	.supported_outputs = omap4_dss_supported_outputs,
 	.supported_color_modes = omap4_dss_supported_color_modes,
 	.overlay_caps = omap4_dss_overlay_caps,
 	.clksrc_names = omap4_dss_clk_source_names,
@@ -567,6 +777,27 @@ static const struct omap_dss_features omap4_dss_features = {
 	.burst_size_unit = 16,
 };
 
+/* OMAP5 DSS Features */
+static const struct omap_dss_features omap5_dss_features = {
+	.reg_fields = omap5_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap5_dss_reg_fields),
+
+	.features = omap5_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap5_dss_feat_list),
+
+	.num_mgrs = 3,
+	.num_ovls = 4,
+	.supported_displays = omap5_dss_supported_displays,
+	.supported_outputs = omap5_dss_supported_outputs,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap5_dss_clk_source_names,
+	.dss_params = omap5_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
 #if defined(CONFIG_OMAP4_DSS_HDMI)
 /* HDMI OMAP4 Functions*/
 static const struct ti_hdmi_ip_ops omap4_hdmi_functions = {
@@ -612,6 +843,11 @@ int dss_feat_get_num_ovls(void)
 	return omap_current_dss_features->num_ovls;
 }
 
+int dss_feat_get_num_wbs(void)
+{
+	return omap_current_dss_features->num_wbs;
+}
+
 unsigned long dss_feat_get_param_min(enum dss_range_param param)
 {
 	return omap_current_dss_features->dss_params[param].min;
@@ -627,6 +863,11 @@ enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel
 	return omap_current_dss_features->supported_displays[channel];
 }
 
+enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
+{
+	return omap_current_dss_features->supported_outputs[channel];
+}
+
 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
 {
 	return omap_current_dss_features->supported_color_modes[plane];
@@ -694,8 +935,13 @@ void dss_features_init(void)
 		omap_current_dss_features = &omap2_dss_features;
 	else if (cpu_is_omap3630())
 		omap_current_dss_features = &omap3630_dss_features;
-	else if (cpu_is_omap34xx())
-		omap_current_dss_features = &omap3430_dss_features;
+	else if (cpu_is_omap34xx()) {
+		if (soc_is_am35xx()) {
+			omap_current_dss_features = &am35xx_dss_features;
+		} else {
+			omap_current_dss_features = &omap3430_dss_features;
+		}
+	}
 	else if (omap_rev() == OMAP4430_REV_ES1_0)
 		omap_current_dss_features = &omap4430_es1_0_dss_features;
 	else if (omap_rev() == OMAP4430_REV_ES2_0 ||
@@ -704,6 +950,8 @@ void dss_features_init(void)
 		omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
 	else if (cpu_is_omap44xx())
 		omap_current_dss_features = &omap4_dss_features;
+	else if (soc_is_omap54xx())
+		omap_current_dss_features = &omap5_dss_features;
 	else
 		DSSWARN("Unsupported OMAP version");
 }
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
index 996ffcbfed5..9218113b5e8 100644
--- a/drivers/video/omap2/dss/dss_features.h
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -50,6 +50,7 @@ enum dss_feat_id {
 	FEAT_DSI_VC_OCP_WIDTH,
 	FEAT_DSI_REVERSE_TXCLKESC,
 	FEAT_DSI_GNQ,
+	FEAT_DPI_USES_VDDS_DSI,
 	FEAT_HDMI_CTS_SWMODE,
 	FEAT_HDMI_AUDIO_USE_MCLK,
 	FEAT_HANDLE_UV_SEPARATE,
@@ -64,6 +65,9 @@ enum dss_feat_id {
 	/* An unknown HW bug causing the normal FIFO thresholds not to work */
 	FEAT_OMAP3_DSI_FIFO_BUG,
 	FEAT_BURST_2D,
+	FEAT_DSI_PLL_SELFREQDCO,
+	FEAT_DSI_PLL_REFSEL,
+	FEAT_DSI_PHY_DCC,
 };
 
 /* DSS register field id */
@@ -91,6 +95,7 @@ enum dss_range_param {
 	FEAT_PARAM_DSIPLL_REGM_DSI,
 	FEAT_PARAM_DSIPLL_FINT,
 	FEAT_PARAM_DSIPLL_LPDIV,
+	FEAT_PARAM_DSI_FCK,
 	FEAT_PARAM_DOWNSCALE,
 	FEAT_PARAM_LINEWIDTH,
 	FEAT_PARAM_MGR_WIDTH,
@@ -100,9 +105,11 @@ enum dss_range_param {
 /* DSS Feature Functions */
 int dss_feat_get_num_mgrs(void);
 int dss_feat_get_num_ovls(void);
+int dss_feat_get_num_wbs(void);
 unsigned long dss_feat_get_param_min(enum dss_range_param param);
 unsigned long dss_feat_get_param_max(enum dss_range_param param);
 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
+enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
 bool dss_feat_color_mode_supported(enum omap_plane plane,
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 060216fdc57..a48a7dd75b3 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -32,6 +32,8 @@
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
 #include <video/omapdss.h>
 
 #include "ti_hdmi.h"
@@ -61,6 +63,13 @@ static struct {
 	struct hdmi_ip_data ip_data;
 
 	struct clk *sys_clk;
+	struct regulator *vdda_hdmi_dac_reg;
+
+	int ct_cp_hpd_gpio;
+	int ls_oe_gpio;
+	int hpd_gpio;
+
+	struct omap_dss_output output;
 } hdmi;
 
 /*
@@ -314,12 +323,47 @@ static void hdmi_runtime_put(void)
 
 static int __init hdmi_init_display(struct omap_dss_device *dssdev)
 {
+	int r;
+
+	struct gpio gpios[] = {
+		{ hdmi.ct_cp_hpd_gpio, GPIOF_OUT_INIT_LOW, "hdmi_ct_cp_hpd" },
+		{ hdmi.ls_oe_gpio, GPIOF_OUT_INIT_LOW, "hdmi_ls_oe" },
+		{ hdmi.hpd_gpio, GPIOF_DIR_IN, "hdmi_hpd" },
+	};
+
 	DSSDBG("init_display\n");
 
 	dss_init_hdmi_ip_ops(&hdmi.ip_data);
+
+	if (hdmi.vdda_hdmi_dac_reg == NULL) {
+		struct regulator *reg;
+
+		reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac");
+
+		if (IS_ERR(reg)) {
+			DSSERR("can't get VDDA_HDMI_DAC regulator\n");
+			return PTR_ERR(reg);
+		}
+
+		hdmi.vdda_hdmi_dac_reg = reg;
+	}
+
+	r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
+	if (r)
+		return r;
+
 	return 0;
 }
 
+static void __exit hdmi_uninit_display(struct omap_dss_device *dssdev)
+{
+	DSSDBG("uninit_display\n");
+
+	gpio_free(hdmi.ct_cp_hpd_gpio);
+	gpio_free(hdmi.ls_oe_gpio);
+	gpio_free(hdmi.hpd_gpio);
+}
+
 static const struct hdmi_config *hdmi_find_timing(
 					const struct hdmi_config *timings_arr,
 					int len)
@@ -459,32 +503,30 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
 static int hdmi_power_on(struct omap_dss_device *dssdev)
 {
 	int r;
-	const struct hdmi_config *timing;
 	struct omap_video_timings *p;
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	unsigned long phy;
 
+	gpio_set_value(hdmi.ct_cp_hpd_gpio, 1);
+	gpio_set_value(hdmi.ls_oe_gpio, 1);
+
+	/* wait 300us after CT_CP_HPD for the 5V power output to reach 90% */
+	udelay(300);
+
+	r = regulator_enable(hdmi.vdda_hdmi_dac_reg);
+	if (r)
+		goto err_vdac_enable;
+
 	r = hdmi_runtime_get();
 	if (r)
-		return r;
+		goto err_runtime_get;
 
-	dss_mgr_disable(dssdev->manager);
+	dss_mgr_disable(mgr);
 
-	p = &dssdev->panel.timings;
+	p = &hdmi.ip_data.cfg.timings;
 
-	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n",
-		dssdev->panel.timings.x_res,
-		dssdev->panel.timings.y_res);
+	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
 
-	timing = hdmi_get_timings();
-	if (timing == NULL) {
-		/* HDMI code 4 corresponds to 640 * 480 VGA */
-		hdmi.ip_data.cfg.cm.code = 4;
-		/* DVI mode 1 corresponds to HDMI 0 to DVI */
-		hdmi.ip_data.cfg.cm.mode = HDMI_DVI;
-		hdmi.ip_data.cfg = vesa_timings[0];
-	} else {
-		hdmi.ip_data.cfg = *timing;
-	}
 	phy = p->pixel_clock;
 
 	hdmi_compute_pll(dssdev, phy, &hdmi.ip_data.pll_data);
@@ -495,13 +537,13 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
 	r = hdmi.ip_data.ops->pll_enable(&hdmi.ip_data);
 	if (r) {
 		DSSDBG("Failed to lock PLL\n");
-		goto err;
+		goto err_pll_enable;
 	}
 
 	r = hdmi.ip_data.ops->phy_enable(&hdmi.ip_data);
 	if (r) {
 		DSSDBG("Failed to start PHY\n");
-		goto err;
+		goto err_phy_enable;
 	}
 
 	hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
@@ -521,13 +563,13 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
 	dispc_enable_gamma_table(0);
 
 	/* tv size */
-	dss_mgr_set_timings(dssdev->manager, &dssdev->panel.timings);
+	dss_mgr_set_timings(mgr, p);
 
 	r = hdmi.ip_data.ops->video_enable(&hdmi.ip_data);
 	if (r)
 		goto err_vid_enable;
 
-	r = dss_mgr_enable(dssdev->manager);
+	r = dss_mgr_enable(mgr);
 	if (r)
 		goto err_mgr_enable;
 
@@ -537,20 +579,33 @@ err_mgr_enable:
 	hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
 err_vid_enable:
 	hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
+err_phy_enable:
 	hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
-err:
+err_pll_enable:
 	hdmi_runtime_put();
+err_runtime_get:
+	regulator_disable(hdmi.vdda_hdmi_dac_reg);
+err_vdac_enable:
+	gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
+	gpio_set_value(hdmi.ls_oe_gpio, 0);
 	return -EIO;
 }
 
 static void hdmi_power_off(struct omap_dss_device *dssdev)
 {
-	dss_mgr_disable(dssdev->manager);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+
+	dss_mgr_disable(mgr);
 
 	hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
 	hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
 	hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
 	hdmi_runtime_put();
+
+	regulator_disable(hdmi.vdda_hdmi_dac_reg);
+
+	gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
+	gpio_set_value(hdmi.ls_oe_gpio, 0);
 }
 
 int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
@@ -567,25 +622,22 @@ int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
 
 }
 
-void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev)
+void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
 {
 	struct hdmi_cm cm;
+	const struct hdmi_config *t;
 
-	cm = hdmi_get_code(&dssdev->panel.timings);
-	hdmi.ip_data.cfg.cm.code = cm.code;
-	hdmi.ip_data.cfg.cm.mode = cm.mode;
+	mutex_lock(&hdmi.lock);
 
-	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
-		int r;
+	cm = hdmi_get_code(timings);
+	hdmi.ip_data.cfg.cm = cm;
 
-		hdmi_power_off(dssdev);
+	t = hdmi_get_timings();
+	if (t != NULL)
+		hdmi.ip_data.cfg = *t;
 
-		r = hdmi_power_on(dssdev);
-		if (r)
-			DSSERR("failed to power on device\n");
-	} else {
-		dss_mgr_set_timings(dssdev->manager, &dssdev->panel.timings);
-	}
+	mutex_unlock(&hdmi.lock);
 }
 
 static void hdmi_dump_regs(struct seq_file *s)
@@ -640,20 +692,20 @@ bool omapdss_hdmi_detect(void)
 
 int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
 {
-	struct omap_dss_hdmi_data *priv = dssdev->data;
+	struct omap_dss_output *out = dssdev->output;
 	int r = 0;
 
 	DSSDBG("ENTER hdmi_display_enable\n");
 
 	mutex_lock(&hdmi.lock);
 
-	if (dssdev->manager == NULL) {
-		DSSERR("failed to enable display: no manager\n");
+	if (out == NULL || out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
 		r = -ENODEV;
 		goto err0;
 	}
 
-	hdmi.ip_data.hpd_gpio = priv->hpd_gpio;
+	hdmi.ip_data.hpd_gpio = hdmi.hpd_gpio;
 
 	r = omap_dss_start_device(dssdev);
 	if (r) {
@@ -661,26 +713,15 @@ int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
 		goto err0;
 	}
 
-	if (dssdev->platform_enable) {
-		r = dssdev->platform_enable(dssdev);
-		if (r) {
-			DSSERR("failed to enable GPIO's\n");
-			goto err1;
-		}
-	}
-
 	r = hdmi_power_on(dssdev);
 	if (r) {
 		DSSERR("failed to power on device\n");
-		goto err2;
+		goto err1;
 	}
 
 	mutex_unlock(&hdmi.lock);
 	return 0;
 
-err2:
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
 err1:
 	omap_dss_stop_device(dssdev);
 err0:
@@ -696,9 +737,6 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
 
 	hdmi_power_off(dssdev);
 
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
-
 	omap_dss_stop_device(dssdev);
 
 	mutex_unlock(&hdmi.lock);
@@ -869,10 +907,14 @@ int hdmi_audio_config(struct omap_dss_audio *audio)
 
 #endif
 
-static void __init hdmi_probe_pdata(struct platform_device *pdev)
+static struct omap_dss_device * __init hdmi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
-	int r, i;
+	const char *def_disp_name = dss_get_default_display_name();
+	struct omap_dss_device *def_dssdev;
+	int i;
+
+	def_dssdev = NULL;
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
@@ -880,17 +922,76 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
 		if (dssdev->type != OMAP_DISPLAY_TYPE_HDMI)
 			continue;
 
-		r = hdmi_init_display(dssdev);
-		if (r) {
-			DSSERR("device %s init failed: %d\n", dssdev->name, r);
-			continue;
+		if (def_dssdev == NULL)
+			def_dssdev = dssdev;
+
+		if (def_disp_name != NULL &&
+				strcmp(dssdev->name, def_disp_name) == 0) {
+			def_dssdev = dssdev;
+			break;
 		}
+	}
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
-		if (r)
-			DSSERR("device %s register failed: %d\n",
-					dssdev->name, r);
+	return def_dssdev;
+}
+
+static void __init hdmi_probe_pdata(struct platform_device *pdev)
+{
+	struct omap_dss_device *plat_dssdev;
+	struct omap_dss_device *dssdev;
+	struct omap_dss_hdmi_data *priv;
+	int r;
+
+	plat_dssdev = hdmi_find_dssdev(pdev);
+
+	if (!plat_dssdev)
+		return;
+
+	dssdev = dss_alloc_and_init_device(&pdev->dev);
+	if (!dssdev)
+		return;
+
+	dss_copy_device_pdata(dssdev, plat_dssdev);
+
+	priv = dssdev->data;
+
+	hdmi.ct_cp_hpd_gpio = priv->ct_cp_hpd_gpio;
+	hdmi.ls_oe_gpio = priv->ls_oe_gpio;
+	hdmi.hpd_gpio = priv->hpd_gpio;
+
+	dssdev->channel = OMAP_DSS_CHANNEL_DIGIT;
+
+	r = hdmi_init_display(dssdev);
+	if (r) {
+		DSSERR("device %s init failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
 	}
+
+	r = dss_add_device(dssdev);
+	if (r) {
+		DSSERR("device %s register failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
+	}
+}
+
+static void __init hdmi_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &hdmi.output;
+
+	out->pdev = pdev;
+	out->id = OMAP_DSS_OUTPUT_HDMI;
+	out->type = OMAP_DISPLAY_TYPE_HDMI;
+
+	dss_register_output(out);
+}
+
+static void __exit hdmi_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &hdmi.output;
+
+	dss_unregister_output(out);
 }
 
 /* HDMI HW IP initialisation */
@@ -929,23 +1030,37 @@ static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
 	hdmi.ip_data.core_av_offset = HDMI_CORE_AV;
 	hdmi.ip_data.pll_offset = HDMI_PLLCTRL;
 	hdmi.ip_data.phy_offset = HDMI_PHY;
+
 	mutex_init(&hdmi.ip_data.lock);
 
 	hdmi_panel_init();
 
 	dss_debugfs_create_file("hdmi", hdmi_dump_regs);
 
+	hdmi_init_output(pdev);
+
 	hdmi_probe_pdata(pdev);
 
 	return 0;
 }
 
+static int __exit hdmi_remove_child(struct device *dev, void *data)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	hdmi_uninit_display(dssdev);
+	return 0;
+}
+
 static int __exit omapdss_hdmihw_remove(struct platform_device *pdev)
 {
-	omap_dss_unregister_child_devices(&pdev->dev);
+	device_for_each_child(&pdev->dev, NULL, hdmi_remove_child);
+
+	dss_unregister_child_devices(&pdev->dev);
 
 	hdmi_panel_exit();
 
+	hdmi_uninit_output(pdev);
+
 	pm_runtime_disable(&pdev->dev);
 
 	hdmi_put_clocks();
diff --git a/drivers/video/omap2/dss/hdmi_panel.c b/drivers/video/omap2/dss/hdmi_panel.c
index e10844faadf..69fb115bab3 100644
--- a/drivers/video/omap2/dss/hdmi_panel.c
+++ b/drivers/video/omap2/dss/hdmi_panel.c
@@ -41,17 +41,34 @@ static struct {
 
 static int hdmi_panel_probe(struct omap_dss_device *dssdev)
 {
+	/* Initialize default timings to VGA in DVI mode */
+	const struct omap_video_timings default_timings = {
+		.x_res		= 640,
+		.y_res		= 480,
+		.pixel_clock	= 25175,
+		.hsw		= 96,
+		.hfp		= 16,
+		.hbp		= 48,
+		.vsw		= 2,
+		.vfp		= 11,
+		.vbp		= 31,
+
+		.vsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
+		.hsync_level	= OMAPDSS_SIG_ACTIVE_LOW,
+
+		.interlace	= false,
+	};
+
 	DSSDBG("ENTER hdmi_panel_probe\n");
 
-	dssdev->panel.timings = (struct omap_video_timings)
-			{ 640, 480, 25175, 96, 16, 48, 2, 11, 31,
-				OMAPDSS_SIG_ACTIVE_LOW, OMAPDSS_SIG_ACTIVE_LOW,
-				false,
-			};
+	dssdev->panel.timings = default_timings;
 
 	DSSDBG("hdmi_panel_probe x_res= %d y_res = %d\n",
 		dssdev->panel.timings.x_res,
 		dssdev->panel.timings.y_res);
+
+	omapdss_hdmi_display_set_timing(dssdev, &dssdev->panel.timings);
+
 	return 0;
 }
 
@@ -228,6 +245,8 @@ static int hdmi_panel_enable(struct omap_dss_device *dssdev)
 		goto err;
 	}
 
+	omapdss_hdmi_display_set_timing(dssdev, &dssdev->panel.timings);
+
 	r = omapdss_hdmi_display_enable(dssdev);
 	if (r) {
 		DSSERR("failed to power on\n");
@@ -336,8 +355,8 @@ static void hdmi_set_timings(struct omap_dss_device *dssdev,
 	 */
 	hdmi_panel_audio_disable(dssdev);
 
+	omapdss_hdmi_display_set_timing(dssdev, timings);
 	dssdev->panel.timings = *timings;
-	omapdss_hdmi_display_set_timing(dssdev);
 
 	mutex_unlock(&hdmi.lock);
 }
diff --git a/drivers/video/omap2/dss/manager-sysfs.c b/drivers/video/omap2/dss/manager-sysfs.c
new file mode 100644
index 00000000000..9a2fb59b6f8
--- /dev/null
+++ b/drivers/video/omap2/dss/manager-sysfs.c
@@ -0,0 +1,512 @@
+/*
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "MANAGER"
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name);
+}
+
+static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf)
+{
+	struct omap_dss_device *dssdev = mgr->get_device(mgr);
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", dssdev ?
+			dssdev->name : "<none>");
+}
+
+static ssize_t manager_display_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	int r = 0;
+	size_t len = size;
+	struct omap_dss_device *dssdev = NULL;
+
+	int match(struct omap_dss_device *dssdev, void *data)
+	{
+		const char *str = data;
+		return sysfs_streq(dssdev->name, str);
+	}
+
+	if (buf[size-1] == '\n')
+		--len;
+
+	if (len > 0)
+		dssdev = omap_dss_find_device((void *)buf, match);
+
+	if (len > 0 && dssdev == NULL)
+		return -EINVAL;
+
+	if (dssdev)
+		DSSDBG("display %s found\n", dssdev->name);
+
+	if (mgr->output) {
+		r = mgr->unset_output(mgr);
+		if (r) {
+			DSSERR("failed to unset current output\n");
+			goto put_device;
+		}
+	}
+
+	if (dssdev) {
+		struct omap_dss_output *out = dssdev->output;
+
+		/*
+		 * a registered device should have an output connected to it
+		 * already
+		 */
+		if (!out) {
+			DSSERR("device has no output connected to it\n");
+			goto put_device;
+		}
+
+		r = mgr->set_output(mgr, out);
+		if (r) {
+			DSSERR("failed to set manager output\n");
+			goto put_device;
+		}
+
+		r = mgr->apply(mgr);
+		if (r) {
+			DSSERR("failed to apply dispc config\n");
+			goto put_device;
+		}
+	}
+
+put_device:
+	if (dssdev)
+		omap_dss_put_device(dssdev);
+
+	return r ? r : size;
+}
+
+static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
+					  char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color);
+}
+
+static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
+					   const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	u32 color;
+	int r;
+
+	r = kstrtouint(buf, 0, &color);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.default_color = color;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static const char *trans_key_type_str[] = {
+	"gfx-destination",
+	"video-source",
+};
+
+static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
+					   char *buf)
+{
+	enum omap_dss_trans_key_type key_type;
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	key_type = info.trans_key_type;
+	BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]);
+}
+
+static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
+					    const char *buf, size_t size)
+{
+	enum omap_dss_trans_key_type key_type;
+	struct omap_overlay_manager_info info;
+	int r;
+
+	for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
+			key_type < ARRAY_SIZE(trans_key_type_str); key_type++) {
+		if (sysfs_streq(buf, trans_key_type_str[key_type]))
+			break;
+	}
+
+	if (key_type == ARRAY_SIZE(trans_key_type_str))
+		return -EINVAL;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_key_type = key_type;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
+					    char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key);
+}
+
+static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
+					     const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	u32 key_value;
+	int r;
+
+	r = kstrtouint(buf, 0, &key_value);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_key = key_value;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
+					      char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled);
+}
+
+static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
+					       const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	bool enable;
+	int r;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_enabled = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_alpha_blending_enabled_show(
+		struct omap_overlay_manager *mgr, char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+		info.partial_alpha_enabled);
+}
+
+static ssize_t manager_alpha_blending_enabled_store(
+		struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	bool enable;
+	int r;
+
+	WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.partial_alpha_enabled = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
+		char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable);
+}
+
+static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	int r;
+	bool enable;
+
+	if (!dss_has_feature(FEAT_CPR))
+		return -ENODEV;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	if (info.cpr_enable == enable)
+		return size;
+
+	info.cpr_enable = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
+		char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return snprintf(buf, PAGE_SIZE,
+			"%d %d %d %d %d %d %d %d %d\n",
+			info.cpr_coefs.rr,
+			info.cpr_coefs.rg,
+			info.cpr_coefs.rb,
+			info.cpr_coefs.gr,
+			info.cpr_coefs.gg,
+			info.cpr_coefs.gb,
+			info.cpr_coefs.br,
+			info.cpr_coefs.bg,
+			info.cpr_coefs.bb);
+}
+
+static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	struct omap_dss_cpr_coefs coefs;
+	int r, i;
+	s16 *arr;
+
+	if (!dss_has_feature(FEAT_CPR))
+		return -ENODEV;
+
+	if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd",
+				&coefs.rr, &coefs.rg, &coefs.rb,
+				&coefs.gr, &coefs.gg, &coefs.gb,
+				&coefs.br, &coefs.bg, &coefs.bb) != 9)
+		return -EINVAL;
+
+	arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
+		coefs.gr, coefs.gg, coefs.gb,
+		coefs.br, coefs.bg, coefs.bb };
+
+	for (i = 0; i < 9; ++i) {
+		if (arr[i] < -512 || arr[i] > 511)
+			return -EINVAL;
+	}
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.cpr_coefs = coefs;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+struct manager_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_overlay_manager *, char *);
+	ssize_t	(*store)(struct omap_overlay_manager *, const char *, size_t);
+};
+
+#define MANAGER_ATTR(_name, _mode, _show, _store) \
+	struct manager_attribute manager_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL);
+static MANAGER_ATTR(display, S_IRUGO|S_IWUSR,
+		manager_display_show, manager_display_store);
+static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR,
+		manager_default_color_show, manager_default_color_store);
+static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR,
+		manager_trans_key_type_show, manager_trans_key_type_store);
+static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR,
+		manager_trans_key_value_show, manager_trans_key_value_store);
+static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
+		manager_trans_key_enabled_show,
+		manager_trans_key_enabled_store);
+static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
+		manager_alpha_blending_enabled_show,
+		manager_alpha_blending_enabled_store);
+static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
+		manager_cpr_enable_show,
+		manager_cpr_enable_store);
+static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
+		manager_cpr_coef_show,
+		manager_cpr_coef_store);
+
+
+static struct attribute *manager_sysfs_attrs[] = {
+	&manager_attr_name.attr,
+	&manager_attr_display.attr,
+	&manager_attr_default_color.attr,
+	&manager_attr_trans_key_type.attr,
+	&manager_attr_trans_key_value.attr,
+	&manager_attr_trans_key_enabled.attr,
+	&manager_attr_alpha_blending_enabled.attr,
+	&manager_attr_cpr_enable.attr,
+	&manager_attr_cpr_coef.attr,
+	NULL
+};
+
+static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_overlay_manager *manager;
+	struct manager_attribute *manager_attr;
+
+	manager = container_of(kobj, struct omap_overlay_manager, kobj);
+	manager_attr = container_of(attr, struct manager_attribute, attr);
+
+	if (!manager_attr->show)
+		return -ENOENT;
+
+	return manager_attr->show(manager, buf);
+}
+
+static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager *manager;
+	struct manager_attribute *manager_attr;
+
+	manager = container_of(kobj, struct omap_overlay_manager, kobj);
+	manager_attr = container_of(attr, struct manager_attribute, attr);
+
+	if (!manager_attr->store)
+		return -ENOENT;
+
+	return manager_attr->store(manager, buf, size);
+}
+
+static const struct sysfs_ops manager_sysfs_ops = {
+	.show = manager_attr_show,
+	.store = manager_attr_store,
+};
+
+static struct kobj_type manager_ktype = {
+	.sysfs_ops = &manager_sysfs_ops,
+	.default_attrs = manager_sysfs_attrs,
+};
+
+int dss_manager_kobj_init(struct omap_overlay_manager *mgr,
+		struct platform_device *pdev)
+{
+	return kobject_init_and_add(&mgr->kobj, &manager_ktype,
+			&pdev->dev.kobj, "manager%d", mgr->id);
+}
+
+void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr)
+{
+	kobject_del(&mgr->kobj);
+	kobject_put(&mgr->kobj);
+}
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 53710fadc82..c54d2f620ce 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -36,463 +36,15 @@
 static int num_managers;
 static struct omap_overlay_manager *managers;
 
-static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf)
+static inline struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr)
 {
-	return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name);
+	return mgr->output ? mgr->output->device : NULL;
 }
 
-static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, "%s\n",
-			mgr->device ? mgr->device->name : "<none>");
-}
-
-static ssize_t manager_display_store(struct omap_overlay_manager *mgr,
-		const char *buf, size_t size)
-{
-	int r = 0;
-	size_t len = size;
-	struct omap_dss_device *dssdev = NULL;
-
-	int match(struct omap_dss_device *dssdev, void *data)
-	{
-		const char *str = data;
-		return sysfs_streq(dssdev->name, str);
-	}
-
-	if (buf[size-1] == '\n')
-		--len;
-
-	if (len > 0)
-		dssdev = omap_dss_find_device((void *)buf, match);
-
-	if (len > 0 && dssdev == NULL)
-		return -EINVAL;
-
-	if (dssdev)
-		DSSDBG("display %s found\n", dssdev->name);
-
-	if (mgr->device) {
-		r = mgr->unset_device(mgr);
-		if (r) {
-			DSSERR("failed to unset display\n");
-			goto put_device;
-		}
-	}
-
-	if (dssdev) {
-		r = mgr->set_device(mgr, dssdev);
-		if (r) {
-			DSSERR("failed to set manager\n");
-			goto put_device;
-		}
-
-		r = mgr->apply(mgr);
-		if (r) {
-			DSSERR("failed to apply dispc config\n");
-			goto put_device;
-		}
-	}
-
-put_device:
-	if (dssdev)
-		omap_dss_put_device(dssdev);
-
-	return r ? r : size;
-}
-
-static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
-					  char *buf)
-{
-	struct omap_overlay_manager_info info;
-
-	mgr->get_manager_info(mgr, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color);
-}
-
-static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
-					   const char *buf, size_t size)
-{
-	struct omap_overlay_manager_info info;
-	u32 color;
-	int r;
-
-	r = kstrtouint(buf, 0, &color);
-	if (r)
-		return r;
-
-	mgr->get_manager_info(mgr, &info);
-
-	info.default_color = color;
-
-	r = mgr->set_manager_info(mgr, &info);
-	if (r)
-		return r;
-
-	r = mgr->apply(mgr);
-	if (r)
-		return r;
-
-	return size;
-}
-
-static const char *trans_key_type_str[] = {
-	"gfx-destination",
-	"video-source",
-};
-
-static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
-					   char *buf)
-{
-	enum omap_dss_trans_key_type key_type;
-	struct omap_overlay_manager_info info;
-
-	mgr->get_manager_info(mgr, &info);
-
-	key_type = info.trans_key_type;
-	BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
-
-	return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]);
-}
-
-static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
-					    const char *buf, size_t size)
-{
-	enum omap_dss_trans_key_type key_type;
-	struct omap_overlay_manager_info info;
-	int r;
-
-	for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
-			key_type < ARRAY_SIZE(trans_key_type_str); key_type++) {
-		if (sysfs_streq(buf, trans_key_type_str[key_type]))
-			break;
-	}
-
-	if (key_type == ARRAY_SIZE(trans_key_type_str))
-		return -EINVAL;
-
-	mgr->get_manager_info(mgr, &info);
-
-	info.trans_key_type = key_type;
-
-	r = mgr->set_manager_info(mgr, &info);
-	if (r)
-		return r;
-
-	r = mgr->apply(mgr);
-	if (r)
-		return r;
-
-	return size;
-}
-
-static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
-					    char *buf)
-{
-	struct omap_overlay_manager_info info;
-
-	mgr->get_manager_info(mgr, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key);
-}
-
-static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
-					     const char *buf, size_t size)
-{
-	struct omap_overlay_manager_info info;
-	u32 key_value;
-	int r;
-
-	r = kstrtouint(buf, 0, &key_value);
-	if (r)
-		return r;
-
-	mgr->get_manager_info(mgr, &info);
-
-	info.trans_key = key_value;
-
-	r = mgr->set_manager_info(mgr, &info);
-	if (r)
-		return r;
-
-	r = mgr->apply(mgr);
-	if (r)
-		return r;
-
-	return size;
-}
-
-static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
-					      char *buf)
-{
-	struct omap_overlay_manager_info info;
-
-	mgr->get_manager_info(mgr, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled);
-}
-
-static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
-					       const char *buf, size_t size)
-{
-	struct omap_overlay_manager_info info;
-	bool enable;
-	int r;
-
-	r = strtobool(buf, &enable);
-	if (r)
-		return r;
-
-	mgr->get_manager_info(mgr, &info);
-
-	info.trans_enabled = enable;
-
-	r = mgr->set_manager_info(mgr, &info);
-	if (r)
-		return r;
-
-	r = mgr->apply(mgr);
-	if (r)
-		return r;
-
-	return size;
-}
-
-static ssize_t manager_alpha_blending_enabled_show(
-		struct omap_overlay_manager *mgr, char *buf)
-{
-	struct omap_overlay_manager_info info;
-
-	mgr->get_manager_info(mgr, &info);
-
-	WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
-
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-		info.partial_alpha_enabled);
-}
-
-static ssize_t manager_alpha_blending_enabled_store(
-		struct omap_overlay_manager *mgr,
-		const char *buf, size_t size)
-{
-	struct omap_overlay_manager_info info;
-	bool enable;
-	int r;
-
-	WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER));
-
-	r = strtobool(buf, &enable);
-	if (r)
-		return r;
-
-	mgr->get_manager_info(mgr, &info);
-
-	info.partial_alpha_enabled = enable;
-
-	r = mgr->set_manager_info(mgr, &info);
-	if (r)
-		return r;
-
-	r = mgr->apply(mgr);
-	if (r)
-		return r;
-
-	return size;
-}
-
-static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
-		char *buf)
-{
-	struct omap_overlay_manager_info info;
-
-	mgr->get_manager_info(mgr, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable);
-}
-
-static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
-		const char *buf, size_t size)
-{
-	struct omap_overlay_manager_info info;
-	int r;
-	bool enable;
-
-	if (!dss_has_feature(FEAT_CPR))
-		return -ENODEV;
-
-	r = strtobool(buf, &enable);
-	if (r)
-		return r;
-
-	mgr->get_manager_info(mgr, &info);
-
-	if (info.cpr_enable == enable)
-		return size;
-
-	info.cpr_enable = enable;
-
-	r = mgr->set_manager_info(mgr, &info);
-	if (r)
-		return r;
-
-	r = mgr->apply(mgr);
-	if (r)
-		return r;
-
-	return size;
-}
-
-static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
-		char *buf)
-{
-	struct omap_overlay_manager_info info;
-
-	mgr->get_manager_info(mgr, &info);
-
-	return snprintf(buf, PAGE_SIZE,
-			"%d %d %d %d %d %d %d %d %d\n",
-			info.cpr_coefs.rr,
-			info.cpr_coefs.rg,
-			info.cpr_coefs.rb,
-			info.cpr_coefs.gr,
-			info.cpr_coefs.gg,
-			info.cpr_coefs.gb,
-			info.cpr_coefs.br,
-			info.cpr_coefs.bg,
-			info.cpr_coefs.bb);
-}
-
-static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
-		const char *buf, size_t size)
-{
-	struct omap_overlay_manager_info info;
-	struct omap_dss_cpr_coefs coefs;
-	int r, i;
-	s16 *arr;
-
-	if (!dss_has_feature(FEAT_CPR))
-		return -ENODEV;
-
-	if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd",
-				&coefs.rr, &coefs.rg, &coefs.rb,
-				&coefs.gr, &coefs.gg, &coefs.gb,
-				&coefs.br, &coefs.bg, &coefs.bb) != 9)
-		return -EINVAL;
-
-	arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
-		coefs.gr, coefs.gg, coefs.gb,
-		coefs.br, coefs.bg, coefs.bb };
-
-	for (i = 0; i < 9; ++i) {
-		if (arr[i] < -512 || arr[i] > 511)
-			return -EINVAL;
-	}
-
-	mgr->get_manager_info(mgr, &info);
-
-	info.cpr_coefs = coefs;
-
-	r = mgr->set_manager_info(mgr, &info);
-	if (r)
-		return r;
-
-	r = mgr->apply(mgr);
-	if (r)
-		return r;
-
-	return size;
-}
-
-struct manager_attribute {
-	struct attribute attr;
-	ssize_t (*show)(struct omap_overlay_manager *, char *);
-	ssize_t	(*store)(struct omap_overlay_manager *, const char *, size_t);
-};
-
-#define MANAGER_ATTR(_name, _mode, _show, _store) \
-	struct manager_attribute manager_attr_##_name = \
-	__ATTR(_name, _mode, _show, _store)
-
-static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL);
-static MANAGER_ATTR(display, S_IRUGO|S_IWUSR,
-		manager_display_show, manager_display_store);
-static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR,
-		manager_default_color_show, manager_default_color_store);
-static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR,
-		manager_trans_key_type_show, manager_trans_key_type_store);
-static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR,
-		manager_trans_key_value_show, manager_trans_key_value_store);
-static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
-		manager_trans_key_enabled_show,
-		manager_trans_key_enabled_store);
-static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
-		manager_alpha_blending_enabled_show,
-		manager_alpha_blending_enabled_store);
-static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
-		manager_cpr_enable_show,
-		manager_cpr_enable_store);
-static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
-		manager_cpr_coef_show,
-		manager_cpr_coef_store);
-
-
-static struct attribute *manager_sysfs_attrs[] = {
-	&manager_attr_name.attr,
-	&manager_attr_display.attr,
-	&manager_attr_default_color.attr,
-	&manager_attr_trans_key_type.attr,
-	&manager_attr_trans_key_value.attr,
-	&manager_attr_trans_key_enabled.attr,
-	&manager_attr_alpha_blending_enabled.attr,
-	&manager_attr_cpr_enable.attr,
-	&manager_attr_cpr_coef.attr,
-	NULL
-};
-
-static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr,
-		char *buf)
-{
-	struct omap_overlay_manager *manager;
-	struct manager_attribute *manager_attr;
-
-	manager = container_of(kobj, struct omap_overlay_manager, kobj);
-	manager_attr = container_of(attr, struct manager_attribute, attr);
-
-	if (!manager_attr->show)
-		return -ENOENT;
-
-	return manager_attr->show(manager, buf);
-}
-
-static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
-		const char *buf, size_t size)
-{
-	struct omap_overlay_manager *manager;
-	struct manager_attribute *manager_attr;
-
-	manager = container_of(kobj, struct omap_overlay_manager, kobj);
-	manager_attr = container_of(attr, struct manager_attribute, attr);
-
-	if (!manager_attr->store)
-		return -ENOENT;
-
-	return manager_attr->store(manager, buf, size);
-}
-
-static const struct sysfs_ops manager_sysfs_ops = {
-	.show = manager_attr_show,
-	.store = manager_attr_store,
-};
-
-static struct kobj_type manager_ktype = {
-	.sysfs_ops = &manager_sysfs_ops,
-	.default_attrs = manager_sysfs_attrs,
-};
-
 static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
 {
 	unsigned long timeout = msecs_to_jiffies(500);
+	struct omap_dss_device *dssdev = mgr->get_device(mgr);
 	u32 irq;
 	int r;
 
@@ -500,9 +52,9 @@ static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
 	if (r)
 		return r;
 
-	if (mgr->device->type == OMAP_DISPLAY_TYPE_VENC)
+	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC)
 		irq = DISPC_IRQ_EVSYNC_ODD;
-	else if (mgr->device->type == OMAP_DISPLAY_TYPE_HDMI)
+	else if (dssdev->type == OMAP_DISPLAY_TYPE_HDMI)
 		irq = DISPC_IRQ_EVSYNC_EVEN;
 	else
 		irq = dispc_mgr_get_vsync_irq(mgr->id);
@@ -547,23 +99,24 @@ int dss_init_overlay_managers(struct platform_device *pdev)
 			break;
 		}
 
-		mgr->set_device = &dss_mgr_set_device;
-		mgr->unset_device = &dss_mgr_unset_device;
+		mgr->set_output = &dss_mgr_set_output;
+		mgr->unset_output = &dss_mgr_unset_output;
 		mgr->apply = &omap_dss_mgr_apply;
 		mgr->set_manager_info = &dss_mgr_set_info;
 		mgr->get_manager_info = &dss_mgr_get_info;
 		mgr->wait_for_go = &dss_mgr_wait_for_go;
 		mgr->wait_for_vsync = &dss_mgr_wait_for_vsync;
+		mgr->get_device = &dss_mgr_get_device;
 
 		mgr->caps = 0;
 		mgr->supported_displays =
 			dss_feat_get_supported_displays(mgr->id);
+		mgr->supported_outputs =
+			dss_feat_get_supported_outputs(mgr->id);
 
 		INIT_LIST_HEAD(&mgr->overlays);
 
-		r = kobject_init_and_add(&mgr->kobj, &manager_ktype,
-				&pdev->dev.kobj, "manager%d", i);
-
+		r = dss_manager_kobj_init(mgr, pdev);
 		if (r)
 			DSSERR("failed to create sysfs file\n");
 	}
@@ -577,9 +130,7 @@ void dss_uninit_overlay_managers(struct platform_device *pdev)
 
 	for (i = 0; i < num_managers; ++i) {
 		struct omap_overlay_manager *mgr = &managers[i];
-
-		kobject_del(&mgr->kobj);
-		kobject_put(&mgr->kobj);
+		dss_manager_kobj_uninit(mgr);
 	}
 
 	kfree(managers);
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c
new file mode 100644
index 00000000000..813f26682b7
--- /dev/null
+++ b/drivers/video/omap2/dss/output.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Ltd
+ * Author: Archit Taneja <archit@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+
+static LIST_HEAD(output_list);
+static DEFINE_MUTEX(output_lock);
+
+int omapdss_output_set_device(struct omap_dss_output *out,
+		struct omap_dss_device *dssdev)
+{
+	int r;
+
+	mutex_lock(&output_lock);
+
+	if (out->device) {
+		DSSERR("output already has device %s connected to it\n",
+			out->device->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	if (out->type != dssdev->type) {
+		DSSERR("output type and display type don't match\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	out->device = dssdev;
+	dssdev->output = out;
+
+	mutex_unlock(&output_lock);
+
+	return 0;
+err:
+	mutex_unlock(&output_lock);
+
+	return r;
+}
+EXPORT_SYMBOL(omapdss_output_set_device);
+
+int omapdss_output_unset_device(struct omap_dss_output *out)
+{
+	int r;
+
+	mutex_lock(&output_lock);
+
+	if (!out->device) {
+		DSSERR("output doesn't have a device connected to it\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	if (out->device->state != OMAP_DSS_DISPLAY_DISABLED) {
+		DSSERR("device %s is not disabled, cannot unset device\n",
+				out->device->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	out->device->output = NULL;
+	out->device = NULL;
+
+	mutex_unlock(&output_lock);
+
+	return 0;
+err:
+	mutex_unlock(&output_lock);
+
+	return r;
+}
+EXPORT_SYMBOL(omapdss_output_unset_device);
+
+void dss_register_output(struct omap_dss_output *out)
+{
+	list_add_tail(&out->list, &output_list);
+}
+
+void dss_unregister_output(struct omap_dss_output *out)
+{
+	list_del(&out->list);
+}
+
+struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id)
+{
+	struct omap_dss_output *out;
+
+	list_for_each_entry(out, &output_list, list) {
+		if (out->id == id)
+			return out;
+	}
+
+	return NULL;
+}
+
+struct omap_dss_output *omapdss_get_output_from_dssdev(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_output *out = NULL;
+	enum omap_dss_output_id id;
+
+	switch (dssdev->type) {
+	case OMAP_DISPLAY_TYPE_DPI:
+		out = omap_dss_get_output(OMAP_DSS_OUTPUT_DPI);
+		break;
+	case OMAP_DISPLAY_TYPE_DBI:
+		out = omap_dss_get_output(OMAP_DSS_OUTPUT_DBI);
+		break;
+	case OMAP_DISPLAY_TYPE_SDI:
+		out = omap_dss_get_output(OMAP_DSS_OUTPUT_SDI);
+		break;
+	case OMAP_DISPLAY_TYPE_VENC:
+		out = omap_dss_get_output(OMAP_DSS_OUTPUT_VENC);
+		break;
+	case OMAP_DISPLAY_TYPE_HDMI:
+		out = omap_dss_get_output(OMAP_DSS_OUTPUT_HDMI);
+		break;
+	case OMAP_DISPLAY_TYPE_DSI:
+		id = dssdev->phy.dsi.module == 0 ? OMAP_DSS_OUTPUT_DSI1 :
+					OMAP_DSS_OUTPUT_DSI2;
+		out = omap_dss_get_output(id);
+		break;
+	default:
+		break;
+	}
+
+	return out;
+}
diff --git a/drivers/video/omap2/dss/overlay-sysfs.c b/drivers/video/omap2/dss/overlay-sysfs.c
new file mode 100644
index 00000000000..4cc5ddebfb3
--- /dev/null
+++ b/drivers/video/omap2/dss/overlay-sysfs.c
@@ -0,0 +1,456 @@
+/*
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "OVERLAY"
+
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+#include <linux/platform_device.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n", ovl->name);
+}
+
+static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			ovl->manager ? ovl->manager->name : "<none>");
+}
+
+static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf,
+		size_t size)
+{
+	int i, r;
+	struct omap_overlay_manager *mgr = NULL;
+	struct omap_overlay_manager *old_mgr;
+	int len = size;
+
+	if (buf[size-1] == '\n')
+		--len;
+
+	if (len > 0) {
+		for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+			mgr = omap_dss_get_overlay_manager(i);
+
+			if (sysfs_streq(buf, mgr->name))
+				break;
+
+			mgr = NULL;
+		}
+	}
+
+	if (len > 0 && mgr == NULL)
+		return -EINVAL;
+
+	if (mgr)
+		DSSDBG("manager %s found\n", mgr->name);
+
+	if (mgr == ovl->manager)
+		return size;
+
+	old_mgr = ovl->manager;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	/* detach old manager */
+	if (old_mgr) {
+		r = ovl->unset_manager(ovl);
+		if (r) {
+			DSSERR("detach failed\n");
+			goto err;
+		}
+
+		r = old_mgr->apply(old_mgr);
+		if (r)
+			goto err;
+	}
+
+	if (mgr) {
+		r = ovl->set_manager(ovl, mgr);
+		if (r) {
+			DSSERR("Failed to attach overlay\n");
+			goto err;
+		}
+
+		r = mgr->apply(mgr);
+		if (r)
+			goto err;
+	}
+
+	dispc_runtime_put();
+
+	return size;
+
+err:
+	dispc_runtime_put();
+	return r;
+}
+
+static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+			info.width, info.height);
+}
+
+static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.screen_width);
+}
+
+static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+			info.pos_x, info.pos_y);
+}
+
+static ssize_t overlay_position_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	char *last;
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.pos_x = simple_strtoul(buf, &last, 10);
+	++last;
+	if (last - buf >= size)
+		return -EINVAL;
+
+	info.pos_y = simple_strtoul(last, &last, 10);
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+			info.out_width, info.out_height);
+}
+
+static ssize_t overlay_output_size_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	char *last;
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.out_width = simple_strtoul(buf, &last, 10);
+	++last;
+	if (last - buf >= size)
+		return -EINVAL;
+
+	info.out_height = simple_strtoul(last, &last, 10);
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%d\n", ovl->is_enabled(ovl));
+}
+
+static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf,
+		size_t size)
+{
+	int r;
+	bool enable;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	if (enable)
+		r = ovl->enable(ovl);
+	else
+		r = ovl->disable(ovl);
+
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			info.global_alpha);
+}
+
+static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 alpha;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &alpha);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.global_alpha = alpha;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl,
+		char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			info.pre_mult_alpha);
+}
+
+static ssize_t overlay_pre_mult_alpha_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 alpha;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &alpha);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.pre_mult_alpha = alpha;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.zorder);
+}
+
+static ssize_t overlay_zorder_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 zorder;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &zorder);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.zorder = zorder;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+struct overlay_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_overlay *, char *);
+	ssize_t	(*store)(struct omap_overlay *, const char *, size_t);
+};
+
+#define OVERLAY_ATTR(_name, _mode, _show, _store) \
+	struct overlay_attribute overlay_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static OVERLAY_ATTR(name, S_IRUGO, overlay_name_show, NULL);
+static OVERLAY_ATTR(manager, S_IRUGO|S_IWUSR,
+		overlay_manager_show, overlay_manager_store);
+static OVERLAY_ATTR(input_size, S_IRUGO, overlay_input_size_show, NULL);
+static OVERLAY_ATTR(screen_width, S_IRUGO, overlay_screen_width_show, NULL);
+static OVERLAY_ATTR(position, S_IRUGO|S_IWUSR,
+		overlay_position_show, overlay_position_store);
+static OVERLAY_ATTR(output_size, S_IRUGO|S_IWUSR,
+		overlay_output_size_show, overlay_output_size_store);
+static OVERLAY_ATTR(enabled, S_IRUGO|S_IWUSR,
+		overlay_enabled_show, overlay_enabled_store);
+static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR,
+		overlay_global_alpha_show, overlay_global_alpha_store);
+static OVERLAY_ATTR(pre_mult_alpha, S_IRUGO|S_IWUSR,
+		overlay_pre_mult_alpha_show,
+		overlay_pre_mult_alpha_store);
+static OVERLAY_ATTR(zorder, S_IRUGO|S_IWUSR,
+		overlay_zorder_show, overlay_zorder_store);
+
+static struct attribute *overlay_sysfs_attrs[] = {
+	&overlay_attr_name.attr,
+	&overlay_attr_manager.attr,
+	&overlay_attr_input_size.attr,
+	&overlay_attr_screen_width.attr,
+	&overlay_attr_position.attr,
+	&overlay_attr_output_size.attr,
+	&overlay_attr_enabled.attr,
+	&overlay_attr_global_alpha.attr,
+	&overlay_attr_pre_mult_alpha.attr,
+	&overlay_attr_zorder.attr,
+	NULL
+};
+
+static ssize_t overlay_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_overlay *overlay;
+	struct overlay_attribute *overlay_attr;
+
+	overlay = container_of(kobj, struct omap_overlay, kobj);
+	overlay_attr = container_of(attr, struct overlay_attribute, attr);
+
+	if (!overlay_attr->show)
+		return -ENOENT;
+
+	return overlay_attr->show(overlay, buf);
+}
+
+static ssize_t overlay_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay *overlay;
+	struct overlay_attribute *overlay_attr;
+
+	overlay = container_of(kobj, struct omap_overlay, kobj);
+	overlay_attr = container_of(attr, struct overlay_attribute, attr);
+
+	if (!overlay_attr->store)
+		return -ENOENT;
+
+	return overlay_attr->store(overlay, buf, size);
+}
+
+static const struct sysfs_ops overlay_sysfs_ops = {
+	.show = overlay_attr_show,
+	.store = overlay_attr_store,
+};
+
+static struct kobj_type overlay_ktype = {
+	.sysfs_ops = &overlay_sysfs_ops,
+	.default_attrs = overlay_sysfs_attrs,
+};
+
+int dss_overlay_kobj_init(struct omap_overlay *ovl,
+		struct platform_device *pdev)
+{
+	return kobject_init_and_add(&ovl->kobj, &overlay_ktype,
+			&pdev->dev.kobj, "overlay%d", ovl->id);
+}
+
+void dss_overlay_kobj_uninit(struct omap_overlay *ovl)
+{
+	kobject_del(&ovl->kobj);
+	kobject_put(&ovl->kobj);
+}
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 952c6fad9a8..45f4994bc6b 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -26,13 +26,11 @@
 #include <linux/module.h>
 #include <linux/err.h>
 #include <linux/sysfs.h>
-#include <linux/kobject.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 
 #include <video/omapdss.h>
-#include <plat/cpu.h>
 
 #include "dss.h"
 #include "dss_features.h"
@@ -40,417 +38,13 @@
 static int num_overlays;
 static struct omap_overlay *overlays;
 
-static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf)
+static inline struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl)
 {
-	return snprintf(buf, PAGE_SIZE, "%s\n", ovl->name);
+	return ovl->manager ?
+		(ovl->manager->output ? ovl->manager->output->device : NULL) :
+		NULL;
 }
 
-static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, "%s\n",
-			ovl->manager ? ovl->manager->name : "<none>");
-}
-
-static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf,
-		size_t size)
-{
-	int i, r;
-	struct omap_overlay_manager *mgr = NULL;
-	struct omap_overlay_manager *old_mgr;
-	int len = size;
-
-	if (buf[size-1] == '\n')
-		--len;
-
-	if (len > 0) {
-		for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
-			mgr = omap_dss_get_overlay_manager(i);
-
-			if (sysfs_streq(buf, mgr->name))
-				break;
-
-			mgr = NULL;
-		}
-	}
-
-	if (len > 0 && mgr == NULL)
-		return -EINVAL;
-
-	if (mgr)
-		DSSDBG("manager %s found\n", mgr->name);
-
-	if (mgr == ovl->manager)
-		return size;
-
-	old_mgr = ovl->manager;
-
-	r = dispc_runtime_get();
-	if (r)
-		return r;
-
-	/* detach old manager */
-	if (old_mgr) {
-		r = ovl->unset_manager(ovl);
-		if (r) {
-			DSSERR("detach failed\n");
-			goto err;
-		}
-
-		r = old_mgr->apply(old_mgr);
-		if (r)
-			goto err;
-	}
-
-	if (mgr) {
-		r = ovl->set_manager(ovl, mgr);
-		if (r) {
-			DSSERR("Failed to attach overlay\n");
-			goto err;
-		}
-
-		r = mgr->apply(mgr);
-		if (r)
-			goto err;
-	}
-
-	dispc_runtime_put();
-
-	return size;
-
-err:
-	dispc_runtime_put();
-	return r;
-}
-
-static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
-{
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
-			info.width, info.height);
-}
-
-static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf)
-{
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.screen_width);
-}
-
-static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf)
-{
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
-			info.pos_x, info.pos_y);
-}
-
-static ssize_t overlay_position_store(struct omap_overlay *ovl,
-		const char *buf, size_t size)
-{
-	int r;
-	char *last;
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	info.pos_x = simple_strtoul(buf, &last, 10);
-	++last;
-	if (last - buf >= size)
-		return -EINVAL;
-
-	info.pos_y = simple_strtoul(last, &last, 10);
-
-	r = ovl->set_overlay_info(ovl, &info);
-	if (r)
-		return r;
-
-	if (ovl->manager) {
-		r = ovl->manager->apply(ovl->manager);
-		if (r)
-			return r;
-	}
-
-	return size;
-}
-
-static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf)
-{
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
-			info.out_width, info.out_height);
-}
-
-static ssize_t overlay_output_size_store(struct omap_overlay *ovl,
-		const char *buf, size_t size)
-{
-	int r;
-	char *last;
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	info.out_width = simple_strtoul(buf, &last, 10);
-	++last;
-	if (last - buf >= size)
-		return -EINVAL;
-
-	info.out_height = simple_strtoul(last, &last, 10);
-
-	r = ovl->set_overlay_info(ovl, &info);
-	if (r)
-		return r;
-
-	if (ovl->manager) {
-		r = ovl->manager->apply(ovl->manager);
-		if (r)
-			return r;
-	}
-
-	return size;
-}
-
-static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf)
-{
-	return snprintf(buf, PAGE_SIZE, "%d\n", ovl->is_enabled(ovl));
-}
-
-static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf,
-		size_t size)
-{
-	int r;
-	bool enable;
-
-	r = strtobool(buf, &enable);
-	if (r)
-		return r;
-
-	if (enable)
-		r = ovl->enable(ovl);
-	else
-		r = ovl->disable(ovl);
-
-	if (r)
-		return r;
-
-	return size;
-}
-
-static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf)
-{
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-			info.global_alpha);
-}
-
-static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl,
-		const char *buf, size_t size)
-{
-	int r;
-	u8 alpha;
-	struct omap_overlay_info info;
-
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
-		return -ENODEV;
-
-	r = kstrtou8(buf, 0, &alpha);
-	if (r)
-		return r;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	info.global_alpha = alpha;
-
-	r = ovl->set_overlay_info(ovl, &info);
-	if (r)
-		return r;
-
-	if (ovl->manager) {
-		r = ovl->manager->apply(ovl->manager);
-		if (r)
-			return r;
-	}
-
-	return size;
-}
-
-static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl,
-		char *buf)
-{
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-			info.pre_mult_alpha);
-}
-
-static ssize_t overlay_pre_mult_alpha_store(struct omap_overlay *ovl,
-		const char *buf, size_t size)
-{
-	int r;
-	u8 alpha;
-	struct omap_overlay_info info;
-
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
-		return -ENODEV;
-
-	r = kstrtou8(buf, 0, &alpha);
-	if (r)
-		return r;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	info.pre_mult_alpha = alpha;
-
-	r = ovl->set_overlay_info(ovl, &info);
-	if (r)
-		return r;
-
-	if (ovl->manager) {
-		r = ovl->manager->apply(ovl->manager);
-		if (r)
-			return r;
-	}
-
-	return size;
-}
-
-static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf)
-{
-	struct omap_overlay_info info;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.zorder);
-}
-
-static ssize_t overlay_zorder_store(struct omap_overlay *ovl,
-		const char *buf, size_t size)
-{
-	int r;
-	u8 zorder;
-	struct omap_overlay_info info;
-
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
-		return -ENODEV;
-
-	r = kstrtou8(buf, 0, &zorder);
-	if (r)
-		return r;
-
-	ovl->get_overlay_info(ovl, &info);
-
-	info.zorder = zorder;
-
-	r = ovl->set_overlay_info(ovl, &info);
-	if (r)
-		return r;
-
-	if (ovl->manager) {
-		r = ovl->manager->apply(ovl->manager);
-		if (r)
-			return r;
-	}
-
-	return size;
-}
-
-struct overlay_attribute {
-	struct attribute attr;
-	ssize_t (*show)(struct omap_overlay *, char *);
-	ssize_t	(*store)(struct omap_overlay *, const char *, size_t);
-};
-
-#define OVERLAY_ATTR(_name, _mode, _show, _store) \
-	struct overlay_attribute overlay_attr_##_name = \
-	__ATTR(_name, _mode, _show, _store)
-
-static OVERLAY_ATTR(name, S_IRUGO, overlay_name_show, NULL);
-static OVERLAY_ATTR(manager, S_IRUGO|S_IWUSR,
-		overlay_manager_show, overlay_manager_store);
-static OVERLAY_ATTR(input_size, S_IRUGO, overlay_input_size_show, NULL);
-static OVERLAY_ATTR(screen_width, S_IRUGO, overlay_screen_width_show, NULL);
-static OVERLAY_ATTR(position, S_IRUGO|S_IWUSR,
-		overlay_position_show, overlay_position_store);
-static OVERLAY_ATTR(output_size, S_IRUGO|S_IWUSR,
-		overlay_output_size_show, overlay_output_size_store);
-static OVERLAY_ATTR(enabled, S_IRUGO|S_IWUSR,
-		overlay_enabled_show, overlay_enabled_store);
-static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR,
-		overlay_global_alpha_show, overlay_global_alpha_store);
-static OVERLAY_ATTR(pre_mult_alpha, S_IRUGO|S_IWUSR,
-		overlay_pre_mult_alpha_show,
-		overlay_pre_mult_alpha_store);
-static OVERLAY_ATTR(zorder, S_IRUGO|S_IWUSR,
-		overlay_zorder_show, overlay_zorder_store);
-
-static struct attribute *overlay_sysfs_attrs[] = {
-	&overlay_attr_name.attr,
-	&overlay_attr_manager.attr,
-	&overlay_attr_input_size.attr,
-	&overlay_attr_screen_width.attr,
-	&overlay_attr_position.attr,
-	&overlay_attr_output_size.attr,
-	&overlay_attr_enabled.attr,
-	&overlay_attr_global_alpha.attr,
-	&overlay_attr_pre_mult_alpha.attr,
-	&overlay_attr_zorder.attr,
-	NULL
-};
-
-static ssize_t overlay_attr_show(struct kobject *kobj, struct attribute *attr,
-		char *buf)
-{
-	struct omap_overlay *overlay;
-	struct overlay_attribute *overlay_attr;
-
-	overlay = container_of(kobj, struct omap_overlay, kobj);
-	overlay_attr = container_of(attr, struct overlay_attribute, attr);
-
-	if (!overlay_attr->show)
-		return -ENOENT;
-
-	return overlay_attr->show(overlay, buf);
-}
-
-static ssize_t overlay_attr_store(struct kobject *kobj, struct attribute *attr,
-		const char *buf, size_t size)
-{
-	struct omap_overlay *overlay;
-	struct overlay_attribute *overlay_attr;
-
-	overlay = container_of(kobj, struct omap_overlay, kobj);
-	overlay_attr = container_of(attr, struct overlay_attribute, attr);
-
-	if (!overlay_attr->store)
-		return -ENOENT;
-
-	return overlay_attr->store(overlay, buf, size);
-}
-
-static const struct sysfs_ops overlay_sysfs_ops = {
-	.show = overlay_attr_show,
-	.store = overlay_attr_store,
-};
-
-static struct kobj_type overlay_ktype = {
-	.sysfs_ops = &overlay_sysfs_ops,
-	.default_attrs = overlay_sysfs_attrs,
-};
-
 int omap_dss_get_num_overlays(void)
 {
 	return num_overlays;
@@ -507,97 +101,25 @@ void dss_init_overlays(struct platform_device *pdev)
 		ovl->set_overlay_info = &dss_ovl_set_info;
 		ovl->get_overlay_info = &dss_ovl_get_info;
 		ovl->wait_for_go = &dss_mgr_wait_for_go_ovl;
+		ovl->get_device = &dss_ovl_get_device;
 
 		ovl->caps = dss_feat_get_overlay_caps(ovl->id);
 		ovl->supported_modes =
 			dss_feat_get_supported_color_modes(ovl->id);
 
-		r = kobject_init_and_add(&ovl->kobj, &overlay_ktype,
-				&pdev->dev.kobj, "overlay%d", i);
-
+		r = dss_overlay_kobj_init(ovl, pdev);
 		if (r)
 			DSSERR("failed to create sysfs file\n");
 	}
 }
 
-/* connect overlays to the new device, if not already connected. if force
- * selected, connect always. */
-void dss_recheck_connections(struct omap_dss_device *dssdev, bool force)
-{
-	int i;
-	struct omap_overlay_manager *lcd_mgr;
-	struct omap_overlay_manager *tv_mgr;
-	struct omap_overlay_manager *lcd2_mgr = NULL;
-	struct omap_overlay_manager *lcd3_mgr = NULL;
-	struct omap_overlay_manager *mgr = NULL;
-
-	lcd_mgr = omap_dss_get_overlay_manager(OMAP_DSS_CHANNEL_LCD);
-	tv_mgr = omap_dss_get_overlay_manager(OMAP_DSS_CHANNEL_DIGIT);
-	if (dss_has_feature(FEAT_MGR_LCD3))
-		lcd3_mgr = omap_dss_get_overlay_manager(OMAP_DSS_CHANNEL_LCD3);
-	if (dss_has_feature(FEAT_MGR_LCD2))
-		lcd2_mgr = omap_dss_get_overlay_manager(OMAP_DSS_CHANNEL_LCD2);
-
-	if (dssdev->channel == OMAP_DSS_CHANNEL_LCD3) {
-		if (!lcd3_mgr->device || force) {
-			if (lcd3_mgr->device)
-				lcd3_mgr->unset_device(lcd3_mgr);
-			lcd3_mgr->set_device(lcd3_mgr, dssdev);
-			mgr = lcd3_mgr;
-		}
-	} else if (dssdev->channel == OMAP_DSS_CHANNEL_LCD2) {
-		if (!lcd2_mgr->device || force) {
-			if (lcd2_mgr->device)
-				lcd2_mgr->unset_device(lcd2_mgr);
-			lcd2_mgr->set_device(lcd2_mgr, dssdev);
-			mgr = lcd2_mgr;
-		}
-	} else if (dssdev->type != OMAP_DISPLAY_TYPE_VENC
-			&& dssdev->type != OMAP_DISPLAY_TYPE_HDMI) {
-		if (!lcd_mgr->device || force) {
-			if (lcd_mgr->device)
-				lcd_mgr->unset_device(lcd_mgr);
-			lcd_mgr->set_device(lcd_mgr, dssdev);
-			mgr = lcd_mgr;
-		}
-	}
-
-	if (dssdev->type == OMAP_DISPLAY_TYPE_VENC
-			|| dssdev->type == OMAP_DISPLAY_TYPE_HDMI) {
-		if (!tv_mgr->device || force) {
-			if (tv_mgr->device)
-				tv_mgr->unset_device(tv_mgr);
-			tv_mgr->set_device(tv_mgr, dssdev);
-			mgr = tv_mgr;
-		}
-	}
-
-	if (mgr) {
-		dispc_runtime_get();
-
-		for (i = 0; i < dss_feat_get_num_ovls(); i++) {
-			struct omap_overlay *ovl;
-			ovl = omap_dss_get_overlay(i);
-			if (!ovl->manager || force) {
-				if (ovl->manager)
-					ovl->unset_manager(ovl);
-				ovl->set_manager(ovl, mgr);
-			}
-		}
-
-		dispc_runtime_put();
-	}
-}
-
 void dss_uninit_overlays(struct platform_device *pdev)
 {
 	int i;
 
 	for (i = 0; i < num_overlays; ++i) {
 		struct omap_overlay *ovl = &overlays[i];
-
-		kobject_del(&ovl->kobj);
-		kobject_put(&ovl->kobj);
+		dss_overlay_kobj_uninit(ovl);
 	}
 
 	kfree(overlays);
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index 7c087424b63..7282e5af3e1 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -111,6 +111,13 @@ static struct {
 	struct omap_dss_device *dssdev[2];
 
 	struct semaphore bus_lock;
+
+	struct omap_video_timings timings;
+	int pixel_size;
+	int data_lines;
+	struct rfbi_timings intf_timings;
+
+	struct omap_dss_output output;
 } rfbi;
 
 static inline void rfbi_write_reg(const struct rfbi_reg idx, u32 val)
@@ -300,30 +307,23 @@ void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width,
 }
 EXPORT_SYMBOL(omap_rfbi_write_pixels);
 
-static int rfbi_transfer_area(struct omap_dss_device *dssdev, u16 width,
-		u16 height, void (*callback)(void *data), void *data)
+static int rfbi_transfer_area(struct omap_dss_device *dssdev,
+		void (*callback)(void *data), void *data)
 {
 	u32 l;
 	int r;
-	struct omap_video_timings timings = {
-		.hsw		= 1,
-		.hfp		= 1,
-		.hbp		= 1,
-		.vsw		= 1,
-		.vfp		= 0,
-		.vbp		= 0,
-		.x_res		= width,
-		.y_res		= height,
-	};
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+	u16 width = rfbi.timings.x_res;
+	u16 height = rfbi.timings.y_res;
 
 	/*BUG_ON(callback == 0);*/
 	BUG_ON(rfbi.framedone_callback != NULL);
 
 	DSSDBG("rfbi_transfer_area %dx%d\n", width, height);
 
-	dss_mgr_set_timings(dssdev->manager, &timings);
+	dss_mgr_set_timings(mgr, &rfbi.timings);
 
-	r = dss_mgr_enable(dssdev->manager);
+	r = dss_mgr_enable(mgr);
 	if (r)
 		return r;
 
@@ -770,62 +770,45 @@ static int rfbi_configure(int rfbi_module, int bpp, int lines)
 	return 0;
 }
 
-int omap_rfbi_configure(struct omap_dss_device *dssdev, int pixel_size,
-		int data_lines)
+int omap_rfbi_configure(struct omap_dss_device *dssdev)
 {
-	return rfbi_configure(dssdev->phy.rfbi.channel, pixel_size, data_lines);
+	return rfbi_configure(dssdev->phy.rfbi.channel, rfbi.pixel_size,
+			rfbi.data_lines);
 }
 EXPORT_SYMBOL(omap_rfbi_configure);
 
-int omap_rfbi_prepare_update(struct omap_dss_device *dssdev,
-		u16 *x, u16 *y, u16 *w, u16 *h)
+int omap_rfbi_update(struct omap_dss_device *dssdev, void (*callback)(void *),
+		void *data)
 {
-	u16 dw, dh;
-	struct omap_video_timings timings = {
-		.hsw		= 1,
-		.hfp		= 1,
-		.hbp		= 1,
-		.vsw		= 1,
-		.vfp		= 0,
-		.vbp		= 0,
-		.x_res		= *w,
-		.y_res		= *h,
-	};
-
-	dssdev->driver->get_resolution(dssdev, &dw, &dh);
-
-	if  (*x > dw || *y > dh)
-		return -EINVAL;
-
-	if (*x + *w > dw)
-		return -EINVAL;
-
-	if (*y + *h > dh)
-		return -EINVAL;
-
-	if (*w == 1)
-		return -EINVAL;
-
-	if (*w == 0 || *h == 0)
-		return -EINVAL;
-
-	dss_mgr_set_timings(dssdev->manager, &timings);
+	return rfbi_transfer_area(dssdev, callback, data);
+}
+EXPORT_SYMBOL(omap_rfbi_update);
 
-	return 0;
+void omapdss_rfbi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h)
+{
+	rfbi.timings.x_res = w;
+	rfbi.timings.y_res = h;
 }
-EXPORT_SYMBOL(omap_rfbi_prepare_update);
+EXPORT_SYMBOL(omapdss_rfbi_set_size);
 
-int omap_rfbi_update(struct omap_dss_device *dssdev,
-		u16 x, u16 y, u16 w, u16 h,
-		void (*callback)(void *), void *data)
+void omapdss_rfbi_set_pixel_size(struct omap_dss_device *dssdev, int pixel_size)
 {
-	int r;
+	rfbi.pixel_size = pixel_size;
+}
+EXPORT_SYMBOL(omapdss_rfbi_set_pixel_size);
 
-	r = rfbi_transfer_area(dssdev, w, h, callback, data);
+void omapdss_rfbi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
+{
+	rfbi.data_lines = data_lines;
+}
+EXPORT_SYMBOL(omapdss_rfbi_set_data_lines);
 
-	return r;
+void omapdss_rfbi_set_interface_timings(struct omap_dss_device *dssdev,
+		struct rfbi_timings *timings)
+{
+	rfbi.intf_timings = *timings;
 }
-EXPORT_SYMBOL(omap_rfbi_update);
+EXPORT_SYMBOL(omapdss_rfbi_set_interface_timings);
 
 static void rfbi_dump_regs(struct seq_file *s)
 {
@@ -869,6 +852,7 @@ static void rfbi_dump_regs(struct seq_file *s)
 
 static void rfbi_config_lcd_manager(struct omap_dss_device *dssdev)
 {
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	struct dss_lcd_mgr_config mgr_config;
 
 	mgr_config.io_pad_mode = DSS_IO_PAD_MODE_RFBI;
@@ -877,18 +861,40 @@ static void rfbi_config_lcd_manager(struct omap_dss_device *dssdev)
 	/* Do we need fifohandcheck for RFBI? */
 	mgr_config.fifohandcheck = false;
 
-	mgr_config.video_port_width = dssdev->ctrl.pixel_size;
+	mgr_config.video_port_width = rfbi.pixel_size;
 	mgr_config.lcden_sig_polarity = 0;
 
-	dss_mgr_set_lcd_config(dssdev->manager, &mgr_config);
+	dss_mgr_set_lcd_config(mgr, &mgr_config);
+
+	/*
+	 * Set rfbi.timings with default values, the x_res and y_res fields
+	 * are expected to be already configured by the panel driver via
+	 * omapdss_rfbi_set_size()
+	 */
+	rfbi.timings.hsw = 1;
+	rfbi.timings.hfp = 1;
+	rfbi.timings.hbp = 1;
+	rfbi.timings.vsw = 1;
+	rfbi.timings.vfp = 0;
+	rfbi.timings.vbp = 0;
+
+	rfbi.timings.interlace = false;
+	rfbi.timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	rfbi.timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	rfbi.timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+	rfbi.timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	rfbi.timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES;
+
+	dss_mgr_set_timings(mgr, &rfbi.timings);
 }
 
 int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev)
 {
+	struct omap_dss_output *out = dssdev->output;
 	int r;
 
-	if (dssdev->manager == NULL) {
-		DSSERR("failed to enable display: no manager\n");
+	if (out == NULL || out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
 		return -ENODEV;
 	}
 
@@ -911,13 +917,10 @@ int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev)
 
 	rfbi_config_lcd_manager(dssdev);
 
-	rfbi_configure(dssdev->phy.rfbi.channel,
-			       dssdev->ctrl.pixel_size,
-			       dssdev->phy.rfbi.data_lines);
-
-	rfbi_set_timings(dssdev->phy.rfbi.channel,
-			 &dssdev->ctrl.rfbi_timings);
+	rfbi_configure(dssdev->phy.rfbi.channel, rfbi.pixel_size,
+			rfbi.data_lines);
 
+	rfbi_set_timings(dssdev->phy.rfbi.channel, &rfbi.intf_timings);
 
 	return 0;
 err1:
@@ -941,14 +944,17 @@ EXPORT_SYMBOL(omapdss_rfbi_display_disable);
 static int __init rfbi_init_display(struct omap_dss_device *dssdev)
 {
 	rfbi.dssdev[dssdev->phy.rfbi.channel] = dssdev;
-	dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
 	return 0;
 }
 
-static void __init rfbi_probe_pdata(struct platform_device *pdev)
+static struct omap_dss_device * __init rfbi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
-	int i, r;
+	const char *def_disp_name = dss_get_default_display_name();
+	struct omap_dss_device *def_dssdev;
+	int i;
+
+	def_dssdev = NULL;
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
@@ -956,17 +962,67 @@ static void __init rfbi_probe_pdata(struct platform_device *pdev)
 		if (dssdev->type != OMAP_DISPLAY_TYPE_DBI)
 			continue;
 
-		r = rfbi_init_display(dssdev);
-		if (r) {
-			DSSERR("device %s init failed: %d\n", dssdev->name, r);
-			continue;
+		if (def_dssdev == NULL)
+			def_dssdev = dssdev;
+
+		if (def_disp_name != NULL &&
+				strcmp(dssdev->name, def_disp_name) == 0) {
+			def_dssdev = dssdev;
+			break;
 		}
+	}
+
+	return def_dssdev;
+}
+
+static void __init rfbi_probe_pdata(struct platform_device *rfbidev)
+{
+	struct omap_dss_device *plat_dssdev;
+	struct omap_dss_device *dssdev;
+	int r;
+
+	plat_dssdev = rfbi_find_dssdev(rfbidev);
+
+	if (!plat_dssdev)
+		return;
+
+	dssdev = dss_alloc_and_init_device(&rfbidev->dev);
+	if (!dssdev)
+		return;
+
+	dss_copy_device_pdata(dssdev, plat_dssdev);
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
-		if (r)
-			DSSERR("device %s register failed: %d\n",
-				dssdev->name, r);
+	r = rfbi_init_display(dssdev);
+	if (r) {
+		DSSERR("device %s init failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
 	}
+
+	r = dss_add_device(dssdev);
+	if (r) {
+		DSSERR("device %s register failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
+	}
+}
+
+static void __init rfbi_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &rfbi.output;
+
+	out->pdev = pdev;
+	out->id = OMAP_DSS_OUTPUT_DBI;
+	out->type = OMAP_DISPLAY_TYPE_DBI;
+
+	dss_register_output(out);
+}
+
+static void __exit rfbi_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &rfbi.output;
+
+	dss_unregister_output(out);
 }
 
 /* RFBI HW IP initialisation */
@@ -1020,6 +1076,8 @@ static int __init omap_rfbihw_probe(struct platform_device *pdev)
 
 	dss_debugfs_create_file("rfbi", rfbi_dump_regs);
 
+	rfbi_init_output(pdev);
+
 	rfbi_probe_pdata(pdev);
 
 	return 0;
@@ -1031,8 +1089,12 @@ err_runtime_get:
 
 static int __exit omap_rfbihw_remove(struct platform_device *pdev)
 {
-	omap_dss_unregister_child_devices(&pdev->dev);
+	dss_unregister_child_devices(&pdev->dev);
+
+	rfbi_uninit_output(pdev);
+
 	pm_runtime_disable(&pdev->dev);
+
 	return 0;
 }
 
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index f43bfe17b3b..7760851f6e5 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -25,6 +25,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/export.h>
 #include <linux/platform_device.h>
+#include <linux/string.h>
 
 #include <video/omapdss.h>
 #include "dss.h"
@@ -34,10 +35,16 @@ static struct {
 	struct regulator *vdds_sdi_reg;
 
 	struct dss_lcd_mgr_config mgr_config;
+	struct omap_video_timings timings;
+	int datapairs;
+
+	struct omap_dss_output output;
 } sdi;
 
 static void sdi_config_lcd_manager(struct omap_dss_device *dssdev)
 {
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+
 	sdi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
 
 	sdi.mgr_config.stallmode = false;
@@ -46,19 +53,20 @@ static void sdi_config_lcd_manager(struct omap_dss_device *dssdev)
 	sdi.mgr_config.video_port_width = 24;
 	sdi.mgr_config.lcden_sig_polarity = 1;
 
-	dss_mgr_set_lcd_config(dssdev->manager, &sdi.mgr_config);
+	dss_mgr_set_lcd_config(mgr, &sdi.mgr_config);
 }
 
 int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
 {
-	struct omap_video_timings *t = &dssdev->panel.timings;
+	struct omap_dss_output *out = dssdev->output;
+	struct omap_video_timings *t = &sdi.timings;
 	struct dss_clock_info dss_cinfo;
 	struct dispc_clock_info dispc_cinfo;
 	unsigned long pck;
 	int r;
 
-	if (dssdev->manager == NULL) {
-		DSSERR("failed to enable display: no manager\n");
+	if (out == NULL || out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
 		return -ENODEV;
 	}
 
@@ -77,8 +85,8 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
 		goto err_get_dispc;
 
 	/* 15.5.9.1.2 */
-	dssdev->panel.timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
-	dssdev->panel.timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+	t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+	t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
 
 	r = dss_calc_clock_div(t->pixel_clock * 1000, &dss_cinfo, &dispc_cinfo);
 	if (r)
@@ -97,7 +105,7 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
 	}
 
 
-	dss_mgr_set_timings(dssdev->manager, t);
+	dss_mgr_set_timings(out->manager, t);
 
 	r = dss_set_clock_div(&dss_cinfo);
 	if (r)
@@ -116,16 +124,15 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
 	 * need to care about the shadow register mechanism for pck-free. The
 	 * exact reason for this is unknown.
 	 */
-	dispc_mgr_set_clock_div(dssdev->manager->id,
-			&sdi.mgr_config.clock_info);
+	dispc_mgr_set_clock_div(out->manager->id, &sdi.mgr_config.clock_info);
 
-	dss_sdi_init(dssdev->phy.sdi.datapairs);
+	dss_sdi_init(sdi.datapairs);
 	r = dss_sdi_enable();
 	if (r)
 		goto err_sdi_enable;
 	mdelay(2);
 
-	r = dss_mgr_enable(dssdev->manager);
+	r = dss_mgr_enable(out->manager);
 	if (r)
 		goto err_mgr_enable;
 
@@ -148,7 +155,9 @@ EXPORT_SYMBOL(omapdss_sdi_display_enable);
 
 void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
 {
-	dss_mgr_disable(dssdev->manager);
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+
+	dss_mgr_disable(mgr);
 
 	dss_sdi_disable();
 
@@ -160,6 +169,19 @@ void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
 }
 EXPORT_SYMBOL(omapdss_sdi_display_disable);
 
+void omapdss_sdi_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	sdi.timings = *timings;
+}
+EXPORT_SYMBOL(omapdss_sdi_set_timings);
+
+void omapdss_sdi_set_datapairs(struct omap_dss_device *dssdev, int datapairs)
+{
+	sdi.datapairs = datapairs;
+}
+EXPORT_SYMBOL(omapdss_sdi_set_datapairs);
+
 static int __init sdi_init_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("SDI init\n");
@@ -180,10 +202,14 @@ static int __init sdi_init_display(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static void __init sdi_probe_pdata(struct platform_device *pdev)
+static struct omap_dss_device * __init sdi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
-	int i, r;
+	const char *def_disp_name = dss_get_default_display_name();
+	struct omap_dss_device *def_dssdev;
+	int i;
+
+	def_dssdev = NULL;
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
@@ -191,21 +217,73 @@ static void __init sdi_probe_pdata(struct platform_device *pdev)
 		if (dssdev->type != OMAP_DISPLAY_TYPE_SDI)
 			continue;
 
-		r = sdi_init_display(dssdev);
-		if (r) {
-			DSSERR("device %s init failed: %d\n", dssdev->name, r);
-			continue;
+		if (def_dssdev == NULL)
+			def_dssdev = dssdev;
+
+		if (def_disp_name != NULL &&
+				strcmp(dssdev->name, def_disp_name) == 0) {
+			def_dssdev = dssdev;
+			break;
 		}
+	}
+
+	return def_dssdev;
+}
+
+static void __init sdi_probe_pdata(struct platform_device *sdidev)
+{
+	struct omap_dss_device *plat_dssdev;
+	struct omap_dss_device *dssdev;
+	int r;
+
+	plat_dssdev = sdi_find_dssdev(sdidev);
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
-		if (r)
-			DSSERR("device %s register failed: %d\n",
-					dssdev->name, r);
+	if (!plat_dssdev)
+		return;
+
+	dssdev = dss_alloc_and_init_device(&sdidev->dev);
+	if (!dssdev)
+		return;
+
+	dss_copy_device_pdata(dssdev, plat_dssdev);
+
+	r = sdi_init_display(dssdev);
+	if (r) {
+		DSSERR("device %s init failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
 	}
+
+	r = dss_add_device(dssdev);
+	if (r) {
+		DSSERR("device %s register failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
+	}
+}
+
+static void __init sdi_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &sdi.output;
+
+	out->pdev = pdev;
+	out->id = OMAP_DSS_OUTPUT_SDI;
+	out->type = OMAP_DISPLAY_TYPE_SDI;
+
+	dss_register_output(out);
+}
+
+static void __exit sdi_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &sdi.output;
+
+	dss_unregister_output(out);
 }
 
 static int __init omap_sdi_probe(struct platform_device *pdev)
 {
+	sdi_init_output(pdev);
+
 	sdi_probe_pdata(pdev);
 
 	return 0;
@@ -213,7 +291,9 @@ static int __init omap_sdi_probe(struct platform_device *pdev)
 
 static int __exit omap_sdi_remove(struct platform_device *pdev)
 {
-	omap_dss_unregister_child_devices(&pdev->dev);
+	dss_unregister_child_devices(&pdev->dev);
+
+	sdi_uninit_output(pdev);
 
 	return 0;
 }
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 3a220877461..56efa3bb465 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -36,7 +36,6 @@
 #include <linux/pm_runtime.h>
 
 #include <video/omapdss.h>
-#include <plat/cpu.h>
 
 #include "dss.h"
 #include "dss_features.h"
@@ -300,6 +299,12 @@ static struct {
 	struct regulator *vdda_dac_reg;
 
 	struct clk	*tv_dac_clk;
+
+	struct omap_video_timings timings;
+	enum omap_dss_venc_type type;
+	bool invert_polarity;
+
+	struct omap_dss_output output;
 } venc;
 
 static inline void venc_write_reg(int idx, u32 val)
@@ -424,65 +429,67 @@ static const struct venc_config *venc_timings_to_config(
 
 static int venc_power_on(struct omap_dss_device *dssdev)
 {
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
 	u32 l;
 	int r;
 
+	r = venc_runtime_get();
+	if (r)
+		goto err0;
+
 	venc_reset();
-	venc_write_config(venc_timings_to_config(&dssdev->panel.timings));
+	venc_write_config(venc_timings_to_config(&venc.timings));
 
-	dss_set_venc_output(dssdev->phy.venc.type);
+	dss_set_venc_output(venc.type);
 	dss_set_dac_pwrdn_bgz(1);
 
 	l = 0;
 
-	if (dssdev->phy.venc.type == OMAP_DSS_VENC_TYPE_COMPOSITE)
+	if (venc.type == OMAP_DSS_VENC_TYPE_COMPOSITE)
 		l |= 1 << 1;
 	else /* S-Video */
 		l |= (1 << 0) | (1 << 2);
 
-	if (dssdev->phy.venc.invert_polarity == false)
+	if (venc.invert_polarity == false)
 		l |= 1 << 3;
 
 	venc_write_reg(VENC_OUTPUT_CONTROL, l);
 
-	dss_mgr_set_timings(dssdev->manager, &dssdev->panel.timings);
+	dss_mgr_set_timings(mgr, &venc.timings);
 
 	r = regulator_enable(venc.vdda_dac_reg);
 	if (r)
-		goto err;
-
-	if (dssdev->platform_enable)
-		dssdev->platform_enable(dssdev);
+		goto err1;
 
-	r = dss_mgr_enable(dssdev->manager);
+	r = dss_mgr_enable(mgr);
 	if (r)
-		goto err;
+		goto err2;
 
 	return 0;
 
-err:
+err2:
+	regulator_disable(venc.vdda_dac_reg);
+err1:
 	venc_write_reg(VENC_OUTPUT_CONTROL, 0);
 	dss_set_dac_pwrdn_bgz(0);
 
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
-
-	regulator_disable(venc.vdda_dac_reg);
-
+	venc_runtime_put();
+err0:
 	return r;
 }
 
 static void venc_power_off(struct omap_dss_device *dssdev)
 {
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+
 	venc_write_reg(VENC_OUTPUT_CONTROL, 0);
 	dss_set_dac_pwrdn_bgz(0);
 
-	dss_mgr_disable(dssdev->manager);
-
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
+	dss_mgr_disable(mgr);
 
 	regulator_disable(venc.vdda_dac_reg);
+
+	venc_runtime_put();
 }
 
 unsigned long venc_get_pixel_clock(void)
@@ -491,171 +498,83 @@ unsigned long venc_get_pixel_clock(void)
 	return 13500000;
 }
 
-static ssize_t display_output_type_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+int omapdss_venc_display_enable(struct omap_dss_device *dssdev)
 {
-	struct omap_dss_device *dssdev = to_dss_device(dev);
-	const char *ret;
-
-	switch (dssdev->phy.venc.type) {
-	case OMAP_DSS_VENC_TYPE_COMPOSITE:
-		ret = "composite";
-		break;
-	case OMAP_DSS_VENC_TYPE_SVIDEO:
-		ret = "svideo";
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return snprintf(buf, PAGE_SIZE, "%s\n", ret);
-}
+	struct omap_dss_output *out = dssdev->output;
+	int r;
 
-static ssize_t display_output_type_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t size)
-{
-	struct omap_dss_device *dssdev = to_dss_device(dev);
-	enum omap_dss_venc_type new_type;
-
-	if (sysfs_streq("composite", buf))
-		new_type = OMAP_DSS_VENC_TYPE_COMPOSITE;
-	else if (sysfs_streq("svideo", buf))
-		new_type = OMAP_DSS_VENC_TYPE_SVIDEO;
-	else
-		return -EINVAL;
+	DSSDBG("venc_display_enable\n");
 
 	mutex_lock(&venc.venc_lock);
 
-	if (dssdev->phy.venc.type != new_type) {
-		dssdev->phy.venc.type = new_type;
-		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
-			venc_power_off(dssdev);
-			venc_power_on(dssdev);
-		}
+	if (out == NULL || out->manager == NULL) {
+		DSSERR("Failed to enable display: no output/manager\n");
+		r = -ENODEV;
+		goto err0;
 	}
 
-	mutex_unlock(&venc.venc_lock);
-
-	return size;
-}
-
-static DEVICE_ATTR(output_type, S_IRUGO | S_IWUSR,
-		display_output_type_show, display_output_type_store);
-
-/* driver */
-static int venc_panel_probe(struct omap_dss_device *dssdev)
-{
-	dssdev->panel.timings = omap_dss_pal_timings;
-
-	return device_create_file(&dssdev->dev, &dev_attr_output_type);
-}
-
-static void venc_panel_remove(struct omap_dss_device *dssdev)
-{
-	device_remove_file(&dssdev->dev, &dev_attr_output_type);
-}
-
-static int venc_panel_enable(struct omap_dss_device *dssdev)
-{
-	int r = 0;
-
-	DSSDBG("venc_enable_display\n");
-
-	mutex_lock(&venc.venc_lock);
-
 	r = omap_dss_start_device(dssdev);
 	if (r) {
 		DSSERR("failed to start device\n");
 		goto err0;
 	}
 
-	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
-		r = -EINVAL;
-		goto err1;
-	}
+	if (dssdev->platform_enable)
+		dssdev->platform_enable(dssdev);
 
-	r = venc_runtime_get();
-	if (r)
-		goto err1;
 
 	r = venc_power_on(dssdev);
 	if (r)
-		goto err2;
+		goto err1;
 
 	venc.wss_data = 0;
 
-	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
 	mutex_unlock(&venc.venc_lock);
+
 	return 0;
-err2:
-	venc_runtime_put();
 err1:
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
 	omap_dss_stop_device(dssdev);
 err0:
 	mutex_unlock(&venc.venc_lock);
-
 	return r;
 }
 
-static void venc_panel_disable(struct omap_dss_device *dssdev)
+void omapdss_venc_display_disable(struct omap_dss_device *dssdev)
 {
-	DSSDBG("venc_disable_display\n");
+	DSSDBG("venc_display_disable\n");
 
 	mutex_lock(&venc.venc_lock);
 
-	if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
-		goto end;
-
-	if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
-		/* suspended is the same as disabled with venc */
-		dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-		goto end;
-	}
-
 	venc_power_off(dssdev);
 
-	venc_runtime_put();
-
-	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-
 	omap_dss_stop_device(dssdev);
-end:
-	mutex_unlock(&venc.venc_lock);
-}
 
-static int venc_panel_suspend(struct omap_dss_device *dssdev)
-{
-	venc_panel_disable(dssdev);
-	return 0;
-}
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
 
-static int venc_panel_resume(struct omap_dss_device *dssdev)
-{
-	return venc_panel_enable(dssdev);
+	mutex_unlock(&venc.venc_lock);
 }
 
-static void venc_set_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
+void omapdss_venc_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
 {
 	DSSDBG("venc_set_timings\n");
 
+	mutex_lock(&venc.venc_lock);
+
 	/* Reset WSS data when the TV standard changes. */
-	if (memcmp(&dssdev->panel.timings, timings, sizeof(*timings)))
+	if (memcmp(&venc.timings, timings, sizeof(*timings)))
 		venc.wss_data = 0;
 
-	dssdev->panel.timings = *timings;
-	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
-		/* turn the venc off and on to get new timings to use */
-		venc_panel_disable(dssdev);
-		venc_panel_enable(dssdev);
-	} else {
-		dss_mgr_set_timings(dssdev->manager, timings);
-	}
+	venc.timings = *timings;
+
+	mutex_unlock(&venc.venc_lock);
 }
 
-static int venc_check_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
+int omapdss_venc_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
 {
 	DSSDBG("venc_check_timings\n");
 
@@ -668,13 +587,13 @@ static int venc_check_timings(struct omap_dss_device *dssdev,
 	return -EINVAL;
 }
 
-static u32 venc_get_wss(struct omap_dss_device *dssdev)
+u32 omapdss_venc_get_wss(struct omap_dss_device *dssdev)
 {
 	/* Invert due to VENC_L21_WC_CTL:INV=1 */
 	return (venc.wss_data >> 8) ^ 0xfffff;
 }
 
-static int venc_set_wss(struct omap_dss_device *dssdev,	u32 wss)
+int omapdss_venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
 {
 	const struct venc_config *config;
 	int r;
@@ -683,7 +602,7 @@ static int venc_set_wss(struct omap_dss_device *dssdev,	u32 wss)
 
 	mutex_lock(&venc.venc_lock);
 
-	config = venc_timings_to_config(&dssdev->panel.timings);
+	config = venc_timings_to_config(&venc.timings);
 
 	/* Invert due to VENC_L21_WC_CTL:INV=1 */
 	venc.wss_data = (wss ^ 0xfffff) << 8;
@@ -703,30 +622,25 @@ err:
 	return r;
 }
 
-static struct omap_dss_driver venc_driver = {
-	.probe		= venc_panel_probe,
-	.remove		= venc_panel_remove,
+void omapdss_venc_set_type(struct omap_dss_device *dssdev,
+		enum omap_dss_venc_type type)
+{
+	mutex_lock(&venc.venc_lock);
 
-	.enable		= venc_panel_enable,
-	.disable	= venc_panel_disable,
-	.suspend	= venc_panel_suspend,
-	.resume		= venc_panel_resume,
+	venc.type = type;
 
-	.get_resolution	= omapdss_default_get_resolution,
-	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
+	mutex_unlock(&venc.venc_lock);
+}
 
-	.set_timings	= venc_set_timings,
-	.check_timings	= venc_check_timings,
+void omapdss_venc_invert_vid_out_polarity(struct omap_dss_device *dssdev,
+		bool invert_polarity)
+{
+	mutex_lock(&venc.venc_lock);
 
-	.get_wss	= venc_get_wss,
-	.set_wss	= venc_set_wss,
+	venc.invert_polarity = invert_polarity;
 
-	.driver         = {
-		.name   = "venc",
-		.owner  = THIS_MODULE,
-	},
-};
-/* driver end */
+	mutex_unlock(&venc.venc_lock);
+}
 
 static int __init venc_init_display(struct omap_dss_device *dssdev)
 {
@@ -752,11 +666,6 @@ static void venc_dump_regs(struct seq_file *s)
 {
 #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
 
-	if (cpu_is_omap44xx()) {
-		seq_printf(s, "VENC currently disabled on OMAP44xx\n");
-		return;
-	}
-
 	if (venc_runtime_get())
 		return;
 
@@ -832,10 +741,14 @@ static void venc_put_clocks(void)
 		clk_put(venc.tv_dac_clk);
 }
 
-static void __init venc_probe_pdata(struct platform_device *pdev)
+static struct omap_dss_device * __init venc_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
-	int r, i;
+	const char *def_disp_name = dss_get_default_display_name();
+	struct omap_dss_device *def_dssdev;
+	int i;
+
+	def_dssdev = NULL;
 
 	for (i = 0; i < pdata->num_devices; ++i) {
 		struct omap_dss_device *dssdev = pdata->devices[i];
@@ -843,17 +756,69 @@ static void __init venc_probe_pdata(struct platform_device *pdev)
 		if (dssdev->type != OMAP_DISPLAY_TYPE_VENC)
 			continue;
 
-		r = venc_init_display(dssdev);
-		if (r) {
-			DSSERR("device %s init failed: %d\n", dssdev->name, r);
-			continue;
+		if (def_dssdev == NULL)
+			def_dssdev = dssdev;
+
+		if (def_disp_name != NULL &&
+				strcmp(dssdev->name, def_disp_name) == 0) {
+			def_dssdev = dssdev;
+			break;
 		}
+	}
+
+	return def_dssdev;
+}
+
+static void __init venc_probe_pdata(struct platform_device *vencdev)
+{
+	struct omap_dss_device *plat_dssdev;
+	struct omap_dss_device *dssdev;
+	int r;
+
+	plat_dssdev = venc_find_dssdev(vencdev);
 
-		r = omap_dss_register_device(dssdev, &pdev->dev, i);
-		if (r)
-			DSSERR("device %s register failed: %d\n",
-					dssdev->name, r);
+	if (!plat_dssdev)
+		return;
+
+	dssdev = dss_alloc_and_init_device(&vencdev->dev);
+	if (!dssdev)
+		return;
+
+	dss_copy_device_pdata(dssdev, plat_dssdev);
+
+	dssdev->channel = OMAP_DSS_CHANNEL_DIGIT;
+
+	r = venc_init_display(dssdev);
+	if (r) {
+		DSSERR("device %s init failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
 	}
+
+	r = dss_add_device(dssdev);
+	if (r) {
+		DSSERR("device %s register failed: %d\n", dssdev->name, r);
+		dss_put_device(dssdev);
+		return;
+	}
+}
+
+static void __init venc_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &venc.output;
+
+	out->pdev = pdev;
+	out->id = OMAP_DSS_OUTPUT_VENC;
+	out->type = OMAP_DISPLAY_TYPE_VENC;
+
+	dss_register_output(out);
+}
+
+static void __exit venc_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_output *out = &venc.output;
+
+	dss_unregister_output(out);
 }
 
 /* VENC HW IP initialisation */
@@ -897,17 +862,19 @@ static int __init omap_venchw_probe(struct platform_device *pdev)
 
 	venc_runtime_put();
 
-	r = omap_dss_register_driver(&venc_driver);
+	r = venc_panel_init();
 	if (r)
-		goto err_reg_panel_driver;
+		goto err_panel_init;
 
 	dss_debugfs_create_file("venc", venc_dump_regs);
 
+	venc_init_output(pdev);
+
 	venc_probe_pdata(pdev);
 
 	return 0;
 
-err_reg_panel_driver:
+err_panel_init:
 err_runtime_get:
 	pm_runtime_disable(&pdev->dev);
 	venc_put_clocks();
@@ -916,14 +883,16 @@ err_runtime_get:
 
 static int __exit omap_venchw_remove(struct platform_device *pdev)
 {
-	omap_dss_unregister_child_devices(&pdev->dev);
+	dss_unregister_child_devices(&pdev->dev);
 
 	if (venc.vdda_dac_reg != NULL) {
 		regulator_put(venc.vdda_dac_reg);
 		venc.vdda_dac_reg = NULL;
 	}
 
-	omap_dss_unregister_driver(&venc_driver);
+	venc_panel_exit();
+
+	venc_uninit_output(pdev);
 
 	pm_runtime_disable(&pdev->dev);
 	venc_put_clocks();
@@ -971,16 +940,10 @@ static struct platform_driver omap_venchw_driver = {
 
 int __init venc_init_platform_driver(void)
 {
-	if (cpu_is_omap44xx())
-		return 0;
-
 	return platform_driver_probe(&omap_venchw_driver, omap_venchw_probe);
 }
 
 void __exit venc_uninit_platform_driver(void)
 {
-	if (cpu_is_omap44xx())
-		return;
-
 	platform_driver_unregister(&omap_venchw_driver);
 }
diff --git a/drivers/video/omap2/dss/venc_panel.c b/drivers/video/omap2/dss/venc_panel.c
new file mode 100644
index 00000000000..d55b8784ecf
--- /dev/null
+++ b/drivers/video/omap2/dss/venc_panel.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * VENC panel driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+
+static struct {
+	struct mutex lock;
+} venc_panel;
+
+static ssize_t display_output_type_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	const char *ret;
+
+	switch (dssdev->phy.venc.type) {
+	case OMAP_DSS_VENC_TYPE_COMPOSITE:
+		ret = "composite";
+		break;
+	case OMAP_DSS_VENC_TYPE_SVIDEO:
+		ret = "svideo";
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", ret);
+}
+
+static ssize_t display_output_type_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev = to_dss_device(dev);
+	enum omap_dss_venc_type new_type;
+
+	if (sysfs_streq("composite", buf))
+		new_type = OMAP_DSS_VENC_TYPE_COMPOSITE;
+	else if (sysfs_streq("svideo", buf))
+		new_type = OMAP_DSS_VENC_TYPE_SVIDEO;
+	else
+		return -EINVAL;
+
+	mutex_lock(&venc_panel.lock);
+
+	if (dssdev->phy.venc.type != new_type) {
+		dssdev->phy.venc.type = new_type;
+		omapdss_venc_set_type(dssdev, new_type);
+		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+			omapdss_venc_display_disable(dssdev);
+			omapdss_venc_display_enable(dssdev);
+		}
+	}
+
+	mutex_unlock(&venc_panel.lock);
+
+	return size;
+}
+
+static DEVICE_ATTR(output_type, S_IRUGO | S_IWUSR,
+		display_output_type_show, display_output_type_store);
+
+static int venc_panel_probe(struct omap_dss_device *dssdev)
+{
+	/* set default timings to PAL */
+	const struct omap_video_timings default_timings = {
+		.x_res		= 720,
+		.y_res		= 574,
+		.pixel_clock	= 13500,
+		.hsw		= 64,
+		.hfp		= 12,
+		.hbp		= 68,
+		.vsw		= 5,
+		.vfp		= 5,
+		.vbp		= 41,
+
+		.vsync_level	= OMAPDSS_SIG_ACTIVE_HIGH,
+		.hsync_level	= OMAPDSS_SIG_ACTIVE_HIGH,
+
+		.interlace	= true,
+	};
+
+	mutex_init(&venc_panel.lock);
+
+	dssdev->panel.timings = default_timings;
+
+	return device_create_file(&dssdev->dev, &dev_attr_output_type);
+}
+
+static void venc_panel_remove(struct omap_dss_device *dssdev)
+{
+	device_remove_file(&dssdev->dev, &dev_attr_output_type);
+}
+
+static int venc_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	dev_dbg(&dssdev->dev, "venc_panel_enable\n");
+
+	mutex_lock(&venc_panel.lock);
+
+	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	omapdss_venc_set_timings(dssdev, &dssdev->panel.timings);
+	omapdss_venc_set_type(dssdev, dssdev->phy.venc.type);
+	omapdss_venc_invert_vid_out_polarity(dssdev,
+		dssdev->phy.venc.invert_polarity);
+
+	r = omapdss_venc_display_enable(dssdev);
+	if (r)
+		goto err;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	mutex_unlock(&venc_panel.lock);
+
+	return 0;
+err:
+	mutex_unlock(&venc_panel.lock);
+
+	return r;
+}
+
+static void venc_panel_disable(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "venc_panel_disable\n");
+
+	mutex_lock(&venc_panel.lock);
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
+		goto end;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
+		/* suspended is the same as disabled with venc */
+		dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+		goto end;
+	}
+
+	omapdss_venc_display_disable(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+end:
+	mutex_unlock(&venc_panel.lock);
+}
+
+static int venc_panel_suspend(struct omap_dss_device *dssdev)
+{
+	venc_panel_disable(dssdev);
+	return 0;
+}
+
+static int venc_panel_resume(struct omap_dss_device *dssdev)
+{
+	return venc_panel_enable(dssdev);
+}
+
+static void venc_panel_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	dev_dbg(&dssdev->dev, "venc_panel_set_timings\n");
+
+	mutex_lock(&venc_panel.lock);
+
+	omapdss_venc_set_timings(dssdev, timings);
+	dssdev->panel.timings = *timings;
+
+	mutex_unlock(&venc_panel.lock);
+}
+
+static int venc_panel_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	dev_dbg(&dssdev->dev, "venc_panel_check_timings\n");
+
+	return omapdss_venc_check_timings(dssdev, timings);
+}
+
+static u32 venc_panel_get_wss(struct omap_dss_device *dssdev)
+{
+	dev_dbg(&dssdev->dev, "venc_panel_get_wss\n");
+
+	return omapdss_venc_get_wss(dssdev);
+}
+
+static int venc_panel_set_wss(struct omap_dss_device *dssdev, u32 wss)
+{
+	dev_dbg(&dssdev->dev, "venc_panel_set_wss\n");
+
+	return omapdss_venc_set_wss(dssdev, wss);
+}
+
+static struct omap_dss_driver venc_driver = {
+	.probe		= venc_panel_probe,
+	.remove		= venc_panel_remove,
+
+	.enable		= venc_panel_enable,
+	.disable	= venc_panel_disable,
+	.suspend	= venc_panel_suspend,
+	.resume		= venc_panel_resume,
+
+	.get_resolution	= omapdss_default_get_resolution,
+	.get_recommended_bpp = omapdss_default_get_recommended_bpp,
+
+	.set_timings	= venc_panel_set_timings,
+	.check_timings	= venc_panel_check_timings,
+
+	.get_wss	= venc_panel_get_wss,
+	.set_wss	= venc_panel_set_wss,
+
+	.driver         = {
+		.name   = "venc",
+		.owner  = THIS_MODULE,
+	},
+};
+
+int venc_panel_init(void)
+{
+	return omap_dss_register_driver(&venc_driver);
+}
+
+void venc_panel_exit(void)
+{
+	omap_dss_unregister_driver(&venc_driver);
+}
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index c6cf372d22c..606b89f1235 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -599,6 +599,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
 	struct omapfb_info *ofbi = FB2OFB(fbi);
 	struct omapfb2_device *fbdev = ofbi->fbdev;
 	struct omap_dss_device *display = fb2display(fbi);
+	struct omap_overlay_manager *mgr;
 
 	union {
 		struct omapfb_update_window_old	uwnd_o;
@@ -786,12 +787,14 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
 
 	case OMAPFB_WAITFORVSYNC:
 		DBG("ioctl WAITFORVSYNC\n");
-		if (!display) {
+		if (!display && !display->output && !display->output->manager) {
 			r = -EINVAL;
 			break;
 		}
 
-		r = display->manager->wait_for_vsync(display->manager);
+		mgr = display->output->manager;
+
+		r = mgr->wait_for_vsync(mgr);
 		break;
 
 	case OMAPFB_WAITFORGO:
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 15373f4aee1..16db1589bd9 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -1593,6 +1593,20 @@ static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev)
 	return 0;
 }
 
+static void omapfb_clear_fb(struct fb_info *fbi)
+{
+	const struct fb_fillrect rect = {
+		.dx = 0,
+		.dy = 0,
+		.width = fbi->var.xres_virtual,
+		.height = fbi->var.yres_virtual,
+		.color = 0,
+		.rop = ROP_COPY,
+	};
+
+	cfb_fillrect(fbi, &rect);
+}
+
 int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
 {
 	struct omapfb_info *ofbi = FB2OFB(fbi);
@@ -1662,6 +1676,8 @@ int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
 			goto err;
 	}
 
+	omapfb_clear_fb(fbi);
+
 	return 0;
 err:
 	omapfb_free_fbmem(fbi);
@@ -1946,6 +1962,16 @@ static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
 		}
 	}
 
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct fb_info *fbi = fbdev->fbs[i];
+		struct omapfb_info *ofbi = FB2OFB(fbi);
+
+		if (ofbi->region->size == 0)
+			continue;
+
+		omapfb_clear_fb(fbi);
+	}
+
 	DBG("fb_infos initialized\n");
 
 	for (i = 0; i < fbdev->num_fbs; i++) {
@@ -2354,6 +2380,7 @@ static int __init omapfb_probe(struct platform_device *pdev)
 	struct omap_overlay *ovl;
 	struct omap_dss_device *def_display;
 	struct omap_dss_device *dssdev;
+	struct omap_dss_device *ovl_device;
 
 	DBG("omapfb_probe\n");
 
@@ -2427,8 +2454,9 @@ static int __init omapfb_probe(struct platform_device *pdev)
 	/* gfx overlay should be the default one. find a display
 	 * connected to that, and use it as default display */
 	ovl = omap_dss_get_overlay(0);
-	if (ovl->manager && ovl->manager->device) {
-		def_display = ovl->manager->device;
+	ovl_device = ovl->get_device(ovl);
+	if (ovl_device) {
+		def_display = ovl_device;
 	} else {
 		dev_warn(&pdev->dev, "cannot find default display\n");
 		def_display = NULL;
diff --git a/drivers/video/omap2/omapfb/omapfb.h b/drivers/video/omap2/omapfb/omapfb.h
index 30361a09aec..5ced9b334d3 100644
--- a/drivers/video/omap2/omapfb/omapfb.h
+++ b/drivers/video/omap2/omapfb/omapfb.h
@@ -148,8 +148,9 @@ static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
 
 	/* XXX: returns the display connected to first attached overlay */
 	for (i = 0; i < ofbi->num_overlays; i++) {
-		if (ofbi->overlays[i]->manager)
-			return ofbi->overlays[i]->manager->device;
+		struct omap_overlay *ovl = ofbi->overlays[i];
+
+		return ovl->get_device(ovl);
 	}
 
 	return NULL;
diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c
index 87e421e25af..f2b15c4a75b 100644
--- a/drivers/video/omap2/vram.c
+++ b/drivers/video/omap2/vram.c
@@ -34,7 +34,6 @@
 #include <asm/setup.h>
 
 #include <plat/vram.h>
-#include <plat/dma.h>
 
 #ifdef DEBUG
 #define DBG(format, ...) pr_debug("VRAM: " format, ## __VA_ARGS__)
@@ -250,59 +249,6 @@ int omap_vram_reserve(unsigned long paddr, size_t size)
 }
 EXPORT_SYMBOL(omap_vram_reserve);
 
-static void _omap_vram_dma_cb(int lch, u16 ch_status, void *data)
-{
-	struct completion *compl = data;
-	complete(compl);
-}
-
-static int _omap_vram_clear(u32 paddr, unsigned pages)
-{
-	struct completion compl;
-	unsigned elem_count;
-	unsigned frame_count;
-	int r;
-	int lch;
-
-	init_completion(&compl);
-
-	r = omap_request_dma(OMAP_DMA_NO_DEVICE, "VRAM DMA",
-			_omap_vram_dma_cb,
-			&compl, &lch);
-	if (r) {
-		pr_err("VRAM: request_dma failed for memory clear\n");
-		return -EBUSY;
-	}
-
-	elem_count = pages * PAGE_SIZE / 4;
-	frame_count = 1;
-
-	omap_set_dma_transfer_params(lch, OMAP_DMA_DATA_TYPE_S32,
-			elem_count, frame_count,
-			OMAP_DMA_SYNC_ELEMENT,
-			0, 0);
-
-	omap_set_dma_dest_params(lch, 0, OMAP_DMA_AMODE_POST_INC,
-			paddr, 0, 0);
-
-	omap_set_dma_color_mode(lch, OMAP_DMA_CONSTANT_FILL, 0x000000);
-
-	omap_start_dma(lch);
-
-	if (wait_for_completion_timeout(&compl, msecs_to_jiffies(1000)) == 0) {
-		omap_stop_dma(lch);
-		pr_err("VRAM: dma timeout while clearing memory\n");
-		r = -EIO;
-		goto err;
-	}
-
-	r = 0;
-err:
-	omap_free_dma(lch);
-
-	return r;
-}
-
 static int _omap_vram_alloc(unsigned pages, unsigned long *paddr)
 {
 	struct vram_region *rm;
@@ -337,8 +283,6 @@ found:
 
 		*paddr = start;
 
-		_omap_vram_clear(start, pages);
-
 		return 0;
 	}
 
diff --git a/drivers/video/pnx4008/Makefile b/drivers/video/pnx4008/Makefile
deleted file mode 100644
index 636aaccf01f..00000000000
--- a/drivers/video/pnx4008/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for the new PNX4008 framebuffer device driver
-#
-
-obj-$(CONFIG_FB_PNX4008_DUM) += sdum.o
-obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnxrgbfb.o
-
diff --git a/drivers/video/pnx4008/dum.h b/drivers/video/pnx4008/dum.h
deleted file mode 100644
index 1234d4375d9..00000000000
--- a/drivers/video/pnx4008/dum.h
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * linux/drivers/video/pnx4008/dum.h
- *
- * Internal header for SDUM
- *
- * 2005 (c) Koninklijke Philips N.V. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#ifndef __PNX008_DUM_H__
-#define __PNX008_DUM_H__
-
-#include <mach/platform.h>
-
-#define PNX4008_DUMCONF_VA_BASE		IO_ADDRESS(PNX4008_DUMCONF_BASE)
-#define PNX4008_DUM_MAIN_VA_BASE	IO_ADDRESS(PNX4008_DUM_MAINCFG_BASE)
-
-/* DUM CFG ADDRESSES */
-#define DUM_CH_BASE_ADR		(PNX4008_DUMCONF_VA_BASE + 0x00)
-#define DUM_CH_MIN_ADR		(PNX4008_DUMCONF_VA_BASE + 0x00)
-#define DUM_CH_MAX_ADR		(PNX4008_DUMCONF_VA_BASE + 0x04)
-#define DUM_CH_CONF_ADR		(PNX4008_DUMCONF_VA_BASE + 0x08)
-#define DUM_CH_STAT_ADR		(PNX4008_DUMCONF_VA_BASE + 0x0C)
-#define DUM_CH_CTRL_ADR		(PNX4008_DUMCONF_VA_BASE + 0x10)
-
-#define CH_MARG		(0x100 / sizeof(u32))
-#define DUM_CH_MIN(i)	(*((volatile u32 *)DUM_CH_MIN_ADR + (i) * CH_MARG))
-#define DUM_CH_MAX(i)	(*((volatile u32 *)DUM_CH_MAX_ADR + (i) * CH_MARG))
-#define DUM_CH_CONF(i)	(*((volatile u32 *)DUM_CH_CONF_ADR + (i) * CH_MARG))
-#define DUM_CH_STAT(i)	(*((volatile u32 *)DUM_CH_STAT_ADR + (i) * CH_MARG))
-#define DUM_CH_CTRL(i)	(*((volatile u32 *)DUM_CH_CTRL_ADR + (i) * CH_MARG))
-
-#define DUM_CONF_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x00)
-#define DUM_CTRL_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x04)
-#define DUM_STAT_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x08)
-#define DUM_DECODE_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x0C)
-#define DUM_COM_BASE_ADR      (PNX4008_DUM_MAIN_VA_BASE + 0x10)
-#define DUM_SYNC_C_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x14)
-#define DUM_CLK_DIV_ADR       (PNX4008_DUM_MAIN_VA_BASE + 0x18)
-#define DUM_DIRTY_LOW_ADR     (PNX4008_DUM_MAIN_VA_BASE + 0x20)
-#define DUM_DIRTY_HIGH_ADR    (PNX4008_DUM_MAIN_VA_BASE + 0x24)
-#define DUM_FORMAT_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x28)
-#define DUM_WTCFG1_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x30)
-#define DUM_RTCFG1_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x34)
-#define DUM_WTCFG2_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x38)
-#define DUM_RTCFG2_ADR        (PNX4008_DUM_MAIN_VA_BASE + 0x3C)
-#define DUM_TCFG_ADR          (PNX4008_DUM_MAIN_VA_BASE + 0x40)
-#define DUM_OUTP_FORMAT1_ADR  (PNX4008_DUM_MAIN_VA_BASE + 0x44)
-#define DUM_OUTP_FORMAT2_ADR  (PNX4008_DUM_MAIN_VA_BASE + 0x48)
-#define DUM_SYNC_MODE_ADR     (PNX4008_DUM_MAIN_VA_BASE + 0x4C)
-#define DUM_SYNC_OUT_C_ADR    (PNX4008_DUM_MAIN_VA_BASE + 0x50)
-
-#define DUM_CONF              (*(volatile u32 *)(DUM_CONF_ADR))
-#define DUM_CTRL              (*(volatile u32 *)(DUM_CTRL_ADR))
-#define DUM_STAT              (*(volatile u32 *)(DUM_STAT_ADR))
-#define DUM_DECODE            (*(volatile u32 *)(DUM_DECODE_ADR))
-#define DUM_COM_BASE          (*(volatile u32 *)(DUM_COM_BASE_ADR))
-#define DUM_SYNC_C            (*(volatile u32 *)(DUM_SYNC_C_ADR))
-#define DUM_CLK_DIV           (*(volatile u32 *)(DUM_CLK_DIV_ADR))
-#define DUM_DIRTY_LOW         (*(volatile u32 *)(DUM_DIRTY_LOW_ADR))
-#define DUM_DIRTY_HIGH        (*(volatile u32 *)(DUM_DIRTY_HIGH_ADR))
-#define DUM_FORMAT            (*(volatile u32 *)(DUM_FORMAT_ADR))
-#define DUM_WTCFG1            (*(volatile u32 *)(DUM_WTCFG1_ADR))
-#define DUM_RTCFG1            (*(volatile u32 *)(DUM_RTCFG1_ADR))
-#define DUM_WTCFG2            (*(volatile u32 *)(DUM_WTCFG2_ADR))
-#define DUM_RTCFG2            (*(volatile u32 *)(DUM_RTCFG2_ADR))
-#define DUM_TCFG              (*(volatile u32 *)(DUM_TCFG_ADR))
-#define DUM_OUTP_FORMAT1      (*(volatile u32 *)(DUM_OUTP_FORMAT1_ADR))
-#define DUM_OUTP_FORMAT2      (*(volatile u32 *)(DUM_OUTP_FORMAT2_ADR))
-#define DUM_SYNC_MODE         (*(volatile u32 *)(DUM_SYNC_MODE_ADR))
-#define DUM_SYNC_OUT_C        (*(volatile u32 *)(DUM_SYNC_OUT_C_ADR))
-
-/* DUM SLAVE ADDRESSES */
-#define DUM_SLAVE_WRITE_ADR      (PNX4008_DUM_MAINCFG_BASE + 0x0000000)
-#define DUM_SLAVE_READ1_I_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x1000000)
-#define DUM_SLAVE_READ1_R_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x1000004)
-#define DUM_SLAVE_READ2_I_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x1000008)
-#define DUM_SLAVE_READ2_R_ADR    (PNX4008_DUM_MAINCFG_BASE + 0x100000C)
-
-#define DUM_SLAVE_WRITE_W  ((volatile u32 *)(DUM_SLAVE_WRITE_ADR))
-#define DUM_SLAVE_WRITE_HW ((volatile u16 *)(DUM_SLAVE_WRITE_ADR))
-#define DUM_SLAVE_READ1_I  ((volatile u8 *)(DUM_SLAVE_READ1_I_ADR))
-#define DUM_SLAVE_READ1_R  ((volatile u16 *)(DUM_SLAVE_READ1_R_ADR))
-#define DUM_SLAVE_READ2_I  ((volatile u8 *)(DUM_SLAVE_READ2_I_ADR))
-#define DUM_SLAVE_READ2_R  ((volatile u16 *)(DUM_SLAVE_READ2_R_ADR))
-
-/* Sony display register addresses */
-#define DISP_0_REG            (0x00)
-#define DISP_1_REG            (0x01)
-#define DISP_CAL_REG          (0x20)
-#define DISP_ID_REG           (0x2A)
-#define DISP_XMIN_L_REG       (0x30)
-#define DISP_XMIN_H_REG       (0x31)
-#define DISP_YMIN_REG         (0x32)
-#define DISP_XMAX_L_REG       (0x34)
-#define DISP_XMAX_H_REG       (0x35)
-#define DISP_YMAX_REG         (0x36)
-#define DISP_SYNC_EN_REG      (0x38)
-#define DISP_SYNC_RISE_L_REG  (0x3C)
-#define DISP_SYNC_RISE_H_REG  (0x3D)
-#define DISP_SYNC_FALL_L_REG  (0x3E)
-#define DISP_SYNC_FALL_H_REG  (0x3F)
-#define DISP_PIXEL_REG        (0x0B)
-#define DISP_DUMMY1_REG       (0x28)
-#define DISP_DUMMY2_REG       (0x29)
-#define DISP_TIMING_REG       (0x98)
-#define DISP_DUMP_REG         (0x99)
-
-/* Sony display constants */
-#define SONY_ID1              (0x22)
-#define SONY_ID2              (0x23)
-
-/* Philips display register addresses */
-#define PH_DISP_ORIENT_REG    (0x003)
-#define PH_DISP_YPOINT_REG    (0x200)
-#define PH_DISP_XPOINT_REG    (0x201)
-#define PH_DISP_PIXEL_REG     (0x202)
-#define PH_DISP_YMIN_REG      (0x406)
-#define PH_DISP_YMAX_REG      (0x407)
-#define PH_DISP_XMIN_REG      (0x408)
-#define PH_DISP_XMAX_REG      (0x409)
-
-/* Misc constants */
-#define NO_VALID_DISPLAY_FOUND      (0)
-#define DISPLAY2_IS_NOT_CONNECTED   (0)
-
-/* register values */
-#define V_BAC_ENABLE		(BIT(0))
-#define V_BAC_DISABLE_IDLE	(BIT(1))
-#define V_BAC_DISABLE_TRIG	(BIT(2))
-#define V_DUM_RESET		(BIT(3))
-#define V_MUX_RESET		(BIT(4))
-#define BAC_ENABLED		(BIT(0))
-#define BAC_DISABLED		0
-
-/* Sony LCD commands */
-#define V_LCD_STANDBY_OFF	((BIT(25)) | (0 << 16) | DISP_0_REG)
-#define V_LCD_USE_9BIT_BUS	((BIT(25)) | (2 << 16) | DISP_1_REG)
-#define V_LCD_SYNC_RISE_L	((BIT(25)) | (0 << 16) | DISP_SYNC_RISE_L_REG)
-#define V_LCD_SYNC_RISE_H	((BIT(25)) | (0 << 16) | DISP_SYNC_RISE_H_REG)
-#define V_LCD_SYNC_FALL_L	((BIT(25)) | (160 << 16) | DISP_SYNC_FALL_L_REG)
-#define V_LCD_SYNC_FALL_H	((BIT(25)) | (0 << 16) | DISP_SYNC_FALL_H_REG)
-#define V_LCD_SYNC_ENABLE	((BIT(25)) | (128 << 16) | DISP_SYNC_EN_REG)
-#define V_LCD_DISPLAY_ON	((BIT(25)) | (64 << 16) | DISP_0_REG)
-
-enum {
-	PAD_NONE,
-	PAD_512,
-	PAD_1024
-};
-
-enum {
-	RGB888,
-	RGB666,
-	RGB565,
-	BGR565,
-	ARGB1555,
-	ABGR1555,
-	ARGB4444,
-	ABGR4444
-};
-
-struct dum_setup {
-	int sync_neg_edge;
-	int round_robin;
-	int mux_int;
-	int synced_dirty_flag_int;
-	int dirty_flag_int;
-	int error_int;
-	int pf_empty_int;
-	int sf_empty_int;
-	int bac_dis_int;
-	u32 dirty_base_adr;
-	u32 command_base_adr;
-	u32 sync_clk_div;
-	int sync_output;
-	u32 sync_restart_val;
-	u32 set_sync_high;
-	u32 set_sync_low;
-};
-
-struct dum_ch_setup {
-	int disp_no;
-	u32 xmin;
-	u32 ymin;
-	u32 xmax;
-	u32 ymax;
-	int xmirror;
-	int ymirror;
-	int rotate;
-	u32 minadr;
-	u32 maxadr;
-	u32 dirtybuffer;
-	int pad;
-	int format;
-	int hwdirty;
-	int slave_trans;
-};
-
-struct disp_window {
-	u32 xmin_l;
-	u32 xmin_h;
-	u32 ymin;
-	u32 xmax_l;
-	u32 xmax_h;
-	u32 ymax;
-};
-
-#endif				/* #ifndef __PNX008_DUM_H__ */
diff --git a/drivers/video/pnx4008/fbcommon.h b/drivers/video/pnx4008/fbcommon.h
deleted file mode 100644
index 4ebc87dafaf..00000000000
--- a/drivers/video/pnx4008/fbcommon.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (C) 2005 Philips Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA, or http://www.gnu.org/licenses/gpl.html
-*/
-
-#define QCIF_W  (176)
-#define QCIF_H  (144)
-
-#define CIF_W   (352)
-#define CIF_H   (288)
-
-#define LCD_X_RES	208
-#define LCD_Y_RES	320
-#define LCD_X_PAD	256
-#define LCD_BBP		4	/* Bytes Per Pixel */
-
-#define DISP_MAX_X_SIZE     (320)
-#define DISP_MAX_Y_SIZE     (208)
-
-#define RETURNVAL_BASE (0x400)
-
-enum fb_ioctl_returntype {
-	ENORESOURCESLEFT = RETURNVAL_BASE,
-	ERESOURCESNOTFREED,
-	EPROCNOTOWNER,
-	EFBNOTOWNER,
-	ECOPYFAILED,
-	EIOREMAPFAILED,
-};
diff --git a/drivers/video/pnx4008/pnxrgbfb.c b/drivers/video/pnx4008/pnxrgbfb.c
deleted file mode 100644
index 6d30428e9cf..00000000000
--- a/drivers/video/pnx4008/pnxrgbfb.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * drivers/video/pnx4008/pnxrgbfb.c
- *
- * PNX4008's framebuffer support
- *
- * Author: Grigory Tolstolytkin <gtolstolytkin@ru.mvista.com>
- * Based on Philips Semiconductors's code
- *
- * Copyrght (c) 2005 MontaVista Software, Inc.
- * Copyright (c) 2005 Philips Semiconductors
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-
-#include "sdum.h"
-#include "fbcommon.h"
-
-static u32 colreg[16];
-
-static struct fb_var_screeninfo rgbfb_var __initdata = {
-	.xres = LCD_X_RES,
-	.yres = LCD_Y_RES,
-	.xres_virtual = LCD_X_RES,
-	.yres_virtual = LCD_Y_RES,
-	.bits_per_pixel = 32,
-	.red.offset = 16,
-	.red.length = 8,
-	.green.offset = 8,
-	.green.length = 8,
-	.blue.offset = 0,
-	.blue.length = 8,
-	.left_margin = 0,
-	.right_margin = 0,
-	.upper_margin = 0,
-	.lower_margin = 0,
-	.vmode = FB_VMODE_NONINTERLACED,
-};
-static struct fb_fix_screeninfo rgbfb_fix __initdata = {
-	.id = "RGBFB",
-	.line_length = LCD_X_RES * LCD_BBP,
-	.type = FB_TYPE_PACKED_PIXELS,
-	.visual = FB_VISUAL_TRUECOLOR,
-	.xpanstep = 0,
-	.ypanstep = 0,
-	.ywrapstep = 0,
-	.accel = FB_ACCEL_NONE,
-};
-
-static int channel_owned;
-
-static int no_cursor(struct fb_info *info, struct fb_cursor *cursor)
-{
-	return 0;
-}
-
-static int rgbfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
-			   u_int transp, struct fb_info *info)
-{
-	if (regno > 15)
-		return 1;
-
-	colreg[regno] = ((red & 0xff00) << 8) | (green & 0xff00) |
-	    ((blue & 0xff00) >> 8);
-	return 0;
-}
-
-static int rgbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-	return pnx4008_sdum_mmap(info, vma, NULL);
-}
-
-static struct fb_ops rgbfb_ops = {
-	.fb_mmap = rgbfb_mmap,
-	.fb_setcolreg = rgbfb_setcolreg,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = cfb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-};
-
-static int rgbfb_remove(struct platform_device *pdev)
-{
-	struct fb_info *info = platform_get_drvdata(pdev);
-
-	if (info) {
-		unregister_framebuffer(info);
-		fb_dealloc_cmap(&info->cmap);
-		framebuffer_release(info);
-		platform_set_drvdata(pdev, NULL);
-	}
-
-	pnx4008_free_dum_channel(channel_owned, pdev->id);
-	pnx4008_set_dum_exit_notification(pdev->id);
-
-	return 0;
-}
-
-static int __devinit rgbfb_probe(struct platform_device *pdev)
-{
-	struct fb_info *info;
-	struct dumchannel_uf chan_uf;
-	int ret;
-	char *option;
-
-	info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev);
-	if (!info) {
-		ret = -ENOMEM;
-		goto err;
-	}
-
-	pnx4008_get_fb_addresses(FB_TYPE_RGB, (void **)&info->screen_base,
-				 (dma_addr_t *) &rgbfb_fix.smem_start,
-				 &rgbfb_fix.smem_len);
-
-	if ((ret = pnx4008_alloc_dum_channel(pdev->id)) < 0)
-		goto err0;
-	else {
-		channel_owned = ret;
-		chan_uf.channelnr = channel_owned;
-		chan_uf.dirty = (u32 *) NULL;
-		chan_uf.source = (u32 *) rgbfb_fix.smem_start;
-		chan_uf.x_offset = 0;
-		chan_uf.y_offset = 0;
-		chan_uf.width = LCD_X_RES;
-		chan_uf.height = LCD_Y_RES;
-
-		if ((ret = pnx4008_put_dum_channel_uf(chan_uf, pdev->id))< 0)
-			goto err1;
-
-		if ((ret =
-		     pnx4008_set_dum_channel_sync(channel_owned, CONF_SYNC_ON,
-						  pdev->id)) < 0)
-			goto err1;
-
-		if ((ret =
-		     pnx4008_set_dum_channel_dirty_detect(channel_owned,
-							 CONF_DIRTYDETECTION_ON,
-							 pdev->id)) < 0)
-			goto err1;
-	}
-
-	if (!fb_get_options("pnxrgbfb", &option) && option &&
-			!strcmp(option, "nocursor"))
-		rgbfb_ops.fb_cursor = no_cursor;
-
-	info->node = -1;
-	info->flags = FBINFO_FLAG_DEFAULT;
-	info->fbops = &rgbfb_ops;
-	info->fix = rgbfb_fix;
-	info->var = rgbfb_var;
-	info->screen_size = rgbfb_fix.smem_len;
-	info->pseudo_palette = info->par;
-	info->par = NULL;
-
-	ret = fb_alloc_cmap(&info->cmap, 256, 0);
-	if (ret < 0)
-		goto err1;
-
-	ret = register_framebuffer(info);
-	if (ret < 0)
-		goto err2;
-	platform_set_drvdata(pdev, info);
-
-	return 0;
-
-err2:
-	fb_dealloc_cmap(&info->cmap);
-err1:
-	pnx4008_free_dum_channel(channel_owned, pdev->id);
-err0:
-	framebuffer_release(info);
-err:
-	return ret;
-}
-
-static struct platform_driver rgbfb_driver = {
-	.driver = {
-		.name = "pnx4008-rgbfb",
-	},
-	.probe = rgbfb_probe,
-	.remove = rgbfb_remove,
-};
-
-module_platform_driver(rgbfb_driver);
-
-MODULE_LICENSE("GPL");
diff --git a/drivers/video/pnx4008/sdum.c b/drivers/video/pnx4008/sdum.c
deleted file mode 100644
index c5c741452ca..00000000000
--- a/drivers/video/pnx4008/sdum.c
+++ /dev/null
@@ -1,861 +0,0 @@
-/*
- * drivers/video/pnx4008/sdum.c
- *
- * Display Update Master support
- *
- * Authors: Grigory Tolstolytkin <gtolstolytkin@ru.mvista.com>
- *          Vitaly Wool <vitalywool@gmail.com>
- * Based on Philips Semiconductors's code
- *
- * Copyrght (c) 2005-2006 MontaVista Software, Inc.
- * Copyright (c) 2005 Philips Semiconductors
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/vmalloc.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/dma-mapping.h>
-#include <linux/clk.h>
-#include <linux/gfp.h>
-#include <asm/uaccess.h>
-#include <asm/gpio.h>
-
-#include "sdum.h"
-#include "fbcommon.h"
-#include "dum.h"
-
-/* Framebuffers we have */
-
-static struct pnx4008_fb_addr {
-	int fb_type;
-	long addr_offset;
-	long fb_length;
-} fb_addr[] = {
-	[0] = {
-		FB_TYPE_YUV, 0, 0xB0000
-	},
-	[1] = {
-		FB_TYPE_RGB, 0xB0000, 0x50000
-	},
-};
-
-static struct dum_data {
-	u32 lcd_phys_start;
-	u32 lcd_virt_start;
-	u32 slave_phys_base;
-	u32 *slave_virt_base;
-	int fb_owning_channel[MAX_DUM_CHANNELS];
-	struct dumchannel_uf chan_uf_store[MAX_DUM_CHANNELS];
-} dum_data;
-
-/* Different local helper functions */
-
-static u32 nof_pixels_dx(struct dum_ch_setup *ch_setup)
-{
-	return (ch_setup->xmax - ch_setup->xmin + 1);
-}
-
-static u32 nof_pixels_dy(struct dum_ch_setup *ch_setup)
-{
-	return (ch_setup->ymax - ch_setup->ymin + 1);
-}
-
-static u32 nof_pixels_dxy(struct dum_ch_setup *ch_setup)
-{
-	return (nof_pixels_dx(ch_setup) * nof_pixels_dy(ch_setup));
-}
-
-static u32 nof_bytes(struct dum_ch_setup *ch_setup)
-{
-	u32 r = nof_pixels_dxy(ch_setup);
-	switch (ch_setup->format) {
-	case RGB888:
-	case RGB666:
-		r *= 4;
-		break;
-
-	default:
-		r *= 2;
-		break;
-	}
-	return r;
-}
-
-static u32 build_command(int disp_no, u32 reg, u32 val)
-{
-	return ((disp_no << 26) | BIT(25) | (val << 16) | (disp_no << 10) |
-		(reg << 0));
-}
-
-static u32 build_double_index(int disp_no, u32 val)
-{
-	return ((disp_no << 26) | (val << 16) | (disp_no << 10) | (val << 0));
-}
-
-static void build_disp_window(struct dum_ch_setup * ch_setup, struct disp_window * dw)
-{
-	dw->ymin = ch_setup->ymin;
-	dw->ymax = ch_setup->ymax;
-	dw->xmin_l = ch_setup->xmin & 0xFF;
-	dw->xmin_h = (ch_setup->xmin & BIT(8)) >> 8;
-	dw->xmax_l = ch_setup->xmax & 0xFF;
-	dw->xmax_h = (ch_setup->xmax & BIT(8)) >> 8;
-}
-
-static int put_channel(struct dumchannel chan)
-{
-	int i = chan.channelnr;
-
-	if (i < 0 || i > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else {
-		DUM_CH_MIN(i) = chan.dum_ch_min;
-		DUM_CH_MAX(i) = chan.dum_ch_max;
-		DUM_CH_CONF(i) = chan.dum_ch_conf;
-		DUM_CH_CTRL(i) = chan.dum_ch_ctrl;
-	}
-
-	return 0;
-}
-
-static void clear_channel(int channr)
-{
-	struct dumchannel chan;
-
-	chan.channelnr = channr;
-	chan.dum_ch_min = 0;
-	chan.dum_ch_max = 0;
-	chan.dum_ch_conf = 0;
-	chan.dum_ch_ctrl = 0;
-
-	put_channel(chan);
-}
-
-static int put_cmd_string(struct cmdstring cmds)
-{
-	u16 *cmd_str_virtaddr;
-	u32 *cmd_ptr0_virtaddr;
-	u32 cmd_str_physaddr;
-
-	int i = cmds.channelnr;
-
-	if (i < 0 || i > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else if ((cmd_ptr0_virtaddr =
-		  (int *)ioremap_nocache(DUM_COM_BASE,
-					 sizeof(int) * MAX_DUM_CHANNELS)) ==
-		 NULL)
-		return -EIOREMAPFAILED;
-	else {
-		cmd_str_physaddr = ioread32(&cmd_ptr0_virtaddr[cmds.channelnr]);
-		if ((cmd_str_virtaddr =
-		     (u16 *) ioremap_nocache(cmd_str_physaddr,
-					     sizeof(cmds))) == NULL) {
-			iounmap(cmd_ptr0_virtaddr);
-			return -EIOREMAPFAILED;
-		} else {
-			int t;
-			for (t = 0; t < 8; t++)
-				iowrite16(*((u16 *)&cmds.prestringlen + t),
-					  cmd_str_virtaddr + t);
-
-			for (t = 0; t < cmds.prestringlen / 2; t++)
-				 iowrite16(*((u16 *)&cmds.precmd + t),
-					   cmd_str_virtaddr + t + 8);
-
-			for (t = 0; t < cmds.poststringlen / 2; t++)
-				iowrite16(*((u16 *)&cmds.postcmd + t),
-					  cmd_str_virtaddr + t + 8 +
-					  	cmds.prestringlen / 2);
-
-			iounmap(cmd_ptr0_virtaddr);
-			iounmap(cmd_str_virtaddr);
-		}
-	}
-
-	return 0;
-}
-
-static u32 dum_ch_setup(int ch_no, struct dum_ch_setup * ch_setup)
-{
-	struct cmdstring cmds_c;
-	struct cmdstring *cmds = &cmds_c;
-	struct disp_window dw;
-	int standard;
-	u32 orientation = 0;
-	struct dumchannel chan = { 0 };
-	int ret;
-
-	if ((ch_setup->xmirror) || (ch_setup->ymirror) || (ch_setup->rotate)) {
-		standard = 0;
-
-		orientation = BIT(1);	/* always set 9-bit-bus */
-		if (ch_setup->xmirror)
-			orientation |= BIT(4);
-		if (ch_setup->ymirror)
-			orientation |= BIT(3);
-		if (ch_setup->rotate)
-			orientation |= BIT(0);
-	} else
-		standard = 1;
-
-	cmds->channelnr = ch_no;
-
-	/* build command string header */
-	if (standard) {
-		cmds->prestringlen = 32;
-		cmds->poststringlen = 0;
-	} else {
-		cmds->prestringlen = 48;
-		cmds->poststringlen = 16;
-	}
-
-	cmds->format =
-	    (u16) ((ch_setup->disp_no << 4) | (BIT(3)) | (ch_setup->format));
-	cmds->reserved = 0x0;
-	cmds->startaddr_low = (ch_setup->minadr & 0xFFFF);
-	cmds->startaddr_high = (ch_setup->minadr >> 16);
-
-	if ((ch_setup->minadr == 0) && (ch_setup->maxadr == 0)
-	    && (ch_setup->xmin == 0)
-	    && (ch_setup->ymin == 0) && (ch_setup->xmax == 0)
-	    && (ch_setup->ymax == 0)) {
-		cmds->pixdatlen_low = 0;
-		cmds->pixdatlen_high = 0;
-	} else {
-		u32 nbytes = nof_bytes(ch_setup);
-		cmds->pixdatlen_low = (nbytes & 0xFFFF);
-		cmds->pixdatlen_high = (nbytes >> 16);
-	}
-
-	if (ch_setup->slave_trans)
-		cmds->pixdatlen_high |= BIT(15);
-
-	/* build pre-string */
-	build_disp_window(ch_setup, &dw);
-
-	if (standard) {
-		cmds->precmd[0] =
-		    build_command(ch_setup->disp_no, DISP_XMIN_L_REG, 0x99);
-		cmds->precmd[1] =
-		    build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
-				  dw.xmin_l);
-		cmds->precmd[2] =
-		    build_command(ch_setup->disp_no, DISP_XMIN_H_REG,
-				  dw.xmin_h);
-		cmds->precmd[3] =
-		    build_command(ch_setup->disp_no, DISP_YMIN_REG, dw.ymin);
-		cmds->precmd[4] =
-		    build_command(ch_setup->disp_no, DISP_XMAX_L_REG,
-				  dw.xmax_l);
-		cmds->precmd[5] =
-		    build_command(ch_setup->disp_no, DISP_XMAX_H_REG,
-				  dw.xmax_h);
-		cmds->precmd[6] =
-		    build_command(ch_setup->disp_no, DISP_YMAX_REG, dw.ymax);
-		cmds->precmd[7] =
-		    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
-	} else {
-		if (dw.xmin_l == ch_no)
-			cmds->precmd[0] =
-			    build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
-					  0x99);
-		else
-			cmds->precmd[0] =
-			    build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
-					  ch_no);
-
-		cmds->precmd[1] =
-		    build_command(ch_setup->disp_no, DISP_XMIN_L_REG,
-				  dw.xmin_l);
-		cmds->precmd[2] =
-		    build_command(ch_setup->disp_no, DISP_XMIN_H_REG,
-				  dw.xmin_h);
-		cmds->precmd[3] =
-		    build_command(ch_setup->disp_no, DISP_YMIN_REG, dw.ymin);
-		cmds->precmd[4] =
-		    build_command(ch_setup->disp_no, DISP_XMAX_L_REG,
-				  dw.xmax_l);
-		cmds->precmd[5] =
-		    build_command(ch_setup->disp_no, DISP_XMAX_H_REG,
-				  dw.xmax_h);
-		cmds->precmd[6] =
-		    build_command(ch_setup->disp_no, DISP_YMAX_REG, dw.ymax);
-		cmds->precmd[7] =
-		    build_command(ch_setup->disp_no, DISP_1_REG, orientation);
-		cmds->precmd[8] =
-		    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
-		cmds->precmd[9] =
-		    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
-		cmds->precmd[0xA] =
-		    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
-		cmds->precmd[0xB] =
-		    build_double_index(ch_setup->disp_no, DISP_PIXEL_REG);
-		cmds->postcmd[0] =
-		    build_command(ch_setup->disp_no, DISP_1_REG, BIT(1));
-		cmds->postcmd[1] =
-		    build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 1);
-		cmds->postcmd[2] =
-		    build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 2);
-		cmds->postcmd[3] =
-		    build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 3);
-	}
-
-	if ((ret = put_cmd_string(cmds_c)) != 0) {
-		return ret;
-	}
-
-	chan.channelnr = cmds->channelnr;
-	chan.dum_ch_min = ch_setup->dirtybuffer + ch_setup->minadr;
-	chan.dum_ch_max = ch_setup->dirtybuffer + ch_setup->maxadr;
-	chan.dum_ch_conf = 0x002;
-	chan.dum_ch_ctrl = 0x04;
-
-	put_channel(chan);
-
-	return 0;
-}
-
-static u32 display_open(int ch_no, int auto_update, u32 * dirty_buffer,
-			u32 * frame_buffer, u32 xpos, u32 ypos, u32 w, u32 h)
-{
-
-	struct dum_ch_setup k;
-	int ret;
-
-	/* keep width & height within display area */
-	if ((xpos + w) > DISP_MAX_X_SIZE)
-		w = DISP_MAX_X_SIZE - xpos;
-
-	if ((ypos + h) > DISP_MAX_Y_SIZE)
-		h = DISP_MAX_Y_SIZE - ypos;
-
-	/* assume 1 display only */
-	k.disp_no = 0;
-	k.xmin = xpos;
-	k.ymin = ypos;
-	k.xmax = xpos + (w - 1);
-	k.ymax = ypos + (h - 1);
-
-	/* adjust min and max values if necessary */
-	if (k.xmin > DISP_MAX_X_SIZE - 1)
-		k.xmin = DISP_MAX_X_SIZE - 1;
-	if (k.ymin > DISP_MAX_Y_SIZE - 1)
-		k.ymin = DISP_MAX_Y_SIZE - 1;
-
-	if (k.xmax > DISP_MAX_X_SIZE - 1)
-		k.xmax = DISP_MAX_X_SIZE - 1;
-	if (k.ymax > DISP_MAX_Y_SIZE - 1)
-		k.ymax = DISP_MAX_Y_SIZE - 1;
-
-	k.xmirror = 0;
-	k.ymirror = 0;
-	k.rotate = 0;
-	k.minadr = (u32) frame_buffer;
-	k.maxadr = (u32) frame_buffer + (((w - 1) << 10) | ((h << 2) - 2));
-	k.pad = PAD_1024;
-	k.dirtybuffer = (u32) dirty_buffer;
-	k.format = RGB888;
-	k.hwdirty = 0;
-	k.slave_trans = 0;
-
-	ret = dum_ch_setup(ch_no, &k);
-
-	return ret;
-}
-
-static void lcd_reset(void)
-{
-	u32 *dum_pio_base = (u32 *)IO_ADDRESS(PNX4008_PIO_BASE);
-
-	udelay(1);
-	iowrite32(BIT(19), &dum_pio_base[2]);
-	udelay(1);
-	iowrite32(BIT(19), &dum_pio_base[1]);
-	udelay(1);
-}
-
-static int dum_init(struct platform_device *pdev)
-{
-	struct clk *clk;
-
-	/* enable DUM clock */
-	clk = clk_get(&pdev->dev, "dum_ck");
-	if (IS_ERR(clk)) {
-		printk(KERN_ERR "pnx4008_dum: Unable to access DUM clock\n");
-		return PTR_ERR(clk);
-	}
-
-	clk_set_rate(clk, 1);
-	clk_put(clk);
-
-	DUM_CTRL = V_DUM_RESET;
-
-	/* set priority to "round-robin". All other params to "false" */
-	DUM_CONF = BIT(9);
-
-	/* Display 1 */
-	DUM_WTCFG1 = PNX4008_DUM_WT_CFG;
-	DUM_RTCFG1 = PNX4008_DUM_RT_CFG;
-	DUM_TCFG = PNX4008_DUM_T_CFG;
-
-	return 0;
-}
-
-static void dum_chan_init(void)
-{
-	int i = 0, ch = 0;
-	u32 *cmdptrs;
-	u32 *cmdstrings;
-
-	DUM_COM_BASE =
-		CMDSTRING_BASEADDR + BYTES_PER_CMDSTRING * NR_OF_CMDSTRINGS;
-
-	if ((cmdptrs =
-	     (u32 *) ioremap_nocache(DUM_COM_BASE,
-				     sizeof(u32) * NR_OF_CMDSTRINGS)) == NULL)
-		return;
-
-	for (ch = 0; ch < NR_OF_CMDSTRINGS; ch++)
-		iowrite32(CMDSTRING_BASEADDR + BYTES_PER_CMDSTRING * ch,
-			  cmdptrs + ch);
-
-	for (ch = 0; ch < MAX_DUM_CHANNELS; ch++)
-		clear_channel(ch);
-
-	/* Clear the cmdstrings */
-	cmdstrings =
-	    (u32 *)ioremap_nocache(*cmdptrs,
-				   BYTES_PER_CMDSTRING * NR_OF_CMDSTRINGS);
-
-	if (!cmdstrings)
-		goto out;
-
-	for (i = 0; i < NR_OF_CMDSTRINGS * BYTES_PER_CMDSTRING / sizeof(u32);
-	     i++)
-		iowrite32(0, cmdstrings + i);
-
-	iounmap((u32 *)cmdstrings);
-
-out:
-	iounmap((u32 *)cmdptrs);
-}
-
-static void lcd_init(void)
-{
-	lcd_reset();
-
-	DUM_OUTP_FORMAT1 = 0; /* RGB666 */
-
-	udelay(1);
-	iowrite32(V_LCD_STANDBY_OFF, dum_data.slave_virt_base);
-	udelay(1);
-	iowrite32(V_LCD_USE_9BIT_BUS, dum_data.slave_virt_base);
-	udelay(1);
-	iowrite32(V_LCD_SYNC_RISE_L, dum_data.slave_virt_base);
-	udelay(1);
-	iowrite32(V_LCD_SYNC_RISE_H, dum_data.slave_virt_base);
-	udelay(1);
-	iowrite32(V_LCD_SYNC_FALL_L, dum_data.slave_virt_base);
-	udelay(1);
-	iowrite32(V_LCD_SYNC_FALL_H, dum_data.slave_virt_base);
-	udelay(1);
-	iowrite32(V_LCD_SYNC_ENABLE, dum_data.slave_virt_base);
-	udelay(1);
-	iowrite32(V_LCD_DISPLAY_ON, dum_data.slave_virt_base);
-	udelay(1);
-}
-
-/* Interface exported to framebuffer drivers */
-
-int pnx4008_get_fb_addresses(int fb_type, void **virt_addr,
-			     dma_addr_t *phys_addr, int *fb_length)
-{
-	int i;
-	int ret = -1;
-	for (i = 0; i < ARRAY_SIZE(fb_addr); i++)
-		if (fb_addr[i].fb_type == fb_type) {
-			*virt_addr = (void *)(dum_data.lcd_virt_start +
-					fb_addr[i].addr_offset);
-			*phys_addr =
-			    dum_data.lcd_phys_start + fb_addr[i].addr_offset;
-			*fb_length = fb_addr[i].fb_length;
-			ret = 0;
-			break;
-		}
-
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_get_fb_addresses);
-
-int pnx4008_alloc_dum_channel(int dev_id)
-{
-	int i = 0;
-
-	while ((i < MAX_DUM_CHANNELS) && (dum_data.fb_owning_channel[i] != -1))
-		i++;
-
-	if (i == MAX_DUM_CHANNELS)
-		return -ENORESOURCESLEFT;
-	else {
-		dum_data.fb_owning_channel[i] = dev_id;
-		return i;
-	}
-}
-
-EXPORT_SYMBOL(pnx4008_alloc_dum_channel);
-
-int pnx4008_free_dum_channel(int channr, int dev_id)
-{
-	if (channr < 0 || channr > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else if (dum_data.fb_owning_channel[channr] != dev_id)
-		return -EFBNOTOWNER;
-	else {
-		clear_channel(channr);
-		dum_data.fb_owning_channel[channr] = -1;
-	}
-
-	return 0;
-}
-
-EXPORT_SYMBOL(pnx4008_free_dum_channel);
-
-int pnx4008_put_dum_channel_uf(struct dumchannel_uf chan_uf, int dev_id)
-{
-	int i = chan_uf.channelnr;
-	int ret;
-
-	if (i < 0 || i > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else if (dum_data.fb_owning_channel[i] != dev_id)
-		return -EFBNOTOWNER;
-	else if ((ret =
-		  display_open(chan_uf.channelnr, 0, chan_uf.dirty,
-			       chan_uf.source, chan_uf.y_offset,
-			       chan_uf.x_offset, chan_uf.height,
-			       chan_uf.width)) != 0)
-		return ret;
-	else {
-		dum_data.chan_uf_store[i].dirty = chan_uf.dirty;
-		dum_data.chan_uf_store[i].source = chan_uf.source;
-		dum_data.chan_uf_store[i].x_offset = chan_uf.x_offset;
-		dum_data.chan_uf_store[i].y_offset = chan_uf.y_offset;
-		dum_data.chan_uf_store[i].width = chan_uf.width;
-		dum_data.chan_uf_store[i].height = chan_uf.height;
-	}
-
-	return 0;
-}
-
-EXPORT_SYMBOL(pnx4008_put_dum_channel_uf);
-
-int pnx4008_set_dum_channel_sync(int channr, int val, int dev_id)
-{
-	if (channr < 0 || channr > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else if (dum_data.fb_owning_channel[channr] != dev_id)
-		return -EFBNOTOWNER;
-	else {
-		if (val == CONF_SYNC_ON) {
-			DUM_CH_CONF(channr) |= CONF_SYNCENABLE;
-			DUM_CH_CONF(channr) |= DUM_CHANNEL_CFG_SYNC_MASK |
-				DUM_CHANNEL_CFG_SYNC_MASK_SET;
-		} else if (val == CONF_SYNC_OFF)
-			DUM_CH_CONF(channr) &= ~CONF_SYNCENABLE;
-		else
-			return -EINVAL;
-	}
-
-	return 0;
-}
-
-EXPORT_SYMBOL(pnx4008_set_dum_channel_sync);
-
-int pnx4008_set_dum_channel_dirty_detect(int channr, int val, int dev_id)
-{
-	if (channr < 0 || channr > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else if (dum_data.fb_owning_channel[channr] != dev_id)
-		return -EFBNOTOWNER;
-	else {
-		if (val == CONF_DIRTYDETECTION_ON)
-			DUM_CH_CONF(channr) |= CONF_DIRTYENABLE;
-		else if (val == CONF_DIRTYDETECTION_OFF)
-			DUM_CH_CONF(channr) &= ~CONF_DIRTYENABLE;
-		else
-			return -EINVAL;
-	}
-
-	return 0;
-}
-
-EXPORT_SYMBOL(pnx4008_set_dum_channel_dirty_detect);
-
-#if 0 /* Functions not used currently, but likely to be used in future */
-
-static int get_channel(struct dumchannel *p_chan)
-{
-	int i = p_chan->channelnr;
-
-	if (i < 0 || i > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else {
-		p_chan->dum_ch_min = DUM_CH_MIN(i);
-		p_chan->dum_ch_max = DUM_CH_MAX(i);
-		p_chan->dum_ch_conf = DUM_CH_CONF(i);
-		p_chan->dum_ch_stat = DUM_CH_STAT(i);
-		p_chan->dum_ch_ctrl = 0;	/* WriteOnly control register */
-	}
-
-	return 0;
-}
-
-int pnx4008_get_dum_channel_uf(struct dumchannel_uf *p_chan_uf, int dev_id)
-{
-	int i = p_chan_uf->channelnr;
-
-	if (i < 0 || i > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else if (dum_data.fb_owning_channel[i] != dev_id)
-		return -EFBNOTOWNER;
-	else {
-		p_chan_uf->dirty = dum_data.chan_uf_store[i].dirty;
-		p_chan_uf->source = dum_data.chan_uf_store[i].source;
-		p_chan_uf->x_offset = dum_data.chan_uf_store[i].x_offset;
-		p_chan_uf->y_offset = dum_data.chan_uf_store[i].y_offset;
-		p_chan_uf->width = dum_data.chan_uf_store[i].width;
-		p_chan_uf->height = dum_data.chan_uf_store[i].height;
-	}
-
-	return 0;
-}
-
-EXPORT_SYMBOL(pnx4008_get_dum_channel_uf);
-
-int pnx4008_get_dum_channel_config(int channr, int dev_id)
-{
-	int ret;
-	struct dumchannel chan;
-
-	if (channr < 0 || channr > MAX_DUM_CHANNELS)
-		return -EINVAL;
-	else if (dum_data.fb_owning_channel[channr] != dev_id)
-		return -EFBNOTOWNER;
-	else {
-		chan.channelnr = channr;
-		if ((ret = get_channel(&chan)) != 0)
-			return ret;
-	}
-
-	return (chan.dum_ch_conf & DUM_CHANNEL_CFG_MASK);
-}
-
-EXPORT_SYMBOL(pnx4008_get_dum_channel_config);
-
-int pnx4008_force_update_dum_channel(int channr, int dev_id)
-{
-	if (channr < 0 || channr > MAX_DUM_CHANNELS)
-		return -EINVAL;
-
-	else if (dum_data.fb_owning_channel[channr] != dev_id)
-		return -EFBNOTOWNER;
-	else
-		DUM_CH_CTRL(channr) = CTRL_SETDIRTY;
-
-	return 0;
-}
-
-EXPORT_SYMBOL(pnx4008_force_update_dum_channel);
-
-#endif
-
-int pnx4008_sdum_mmap(struct fb_info *info, struct vm_area_struct *vma,
-		      struct device *dev)
-{
-	unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
-
-	if (off < info->fix.smem_len) {
-		vma->vm_pgoff += 1;
-		return dma_mmap_writecombine(dev, vma,
-				(void *)dum_data.lcd_virt_start,
-				dum_data.lcd_phys_start,
-				FB_DMA_SIZE);
-	}
-	return -EINVAL;
-}
-
-EXPORT_SYMBOL(pnx4008_sdum_mmap);
-
-int pnx4008_set_dum_exit_notification(int dev_id)
-{
-	int i;
-
-	for (i = 0; i < MAX_DUM_CHANNELS; i++)
-		if (dum_data.fb_owning_channel[i] == dev_id)
-			return -ERESOURCESNOTFREED;
-
-	return 0;
-}
-
-EXPORT_SYMBOL(pnx4008_set_dum_exit_notification);
-
-/* Platform device driver for DUM */
-
-static int sdum_suspend(struct platform_device *pdev, pm_message_t state)
-{
-	int retval = 0;
-	struct clk *clk;
-
-	clk = clk_get(0, "dum_ck");
-	if (!IS_ERR(clk)) {
-		clk_set_rate(clk, 0);
-		clk_put(clk);
-	} else
-		retval = PTR_ERR(clk);
-
-	/* disable BAC */
-	DUM_CTRL = V_BAC_DISABLE_IDLE;
-
-	/* LCD standby & turn off display */
-	lcd_reset();
-
-	return retval;
-}
-
-static int sdum_resume(struct platform_device *pdev)
-{
-	int retval = 0;
-	struct clk *clk;
-
-	clk = clk_get(0, "dum_ck");
-	if (!IS_ERR(clk)) {
-		clk_set_rate(clk, 1);
-		clk_put(clk);
-	} else
-		retval = PTR_ERR(clk);
-
-	/* wait for BAC disable */
-	DUM_CTRL = V_BAC_DISABLE_TRIG;
-
-	while (DUM_CTRL & BAC_ENABLED)
-		udelay(10);
-
-	/* re-init LCD */
-	lcd_init();
-
-	/* enable BAC and reset MUX */
-	DUM_CTRL = V_BAC_ENABLE;
-	udelay(1);
-	DUM_CTRL = V_MUX_RESET;
-	return 0;
-}
-
-static int __devinit sdum_probe(struct platform_device *pdev)
-{
-	int ret = 0, i = 0;
-
-	/* map frame buffer */
-	dum_data.lcd_virt_start = (u32) dma_alloc_writecombine(&pdev->dev,
-						       FB_DMA_SIZE,
-						       &dum_data.lcd_phys_start,
-						       GFP_KERNEL);
-
-	if (!dum_data.lcd_virt_start) {
-		ret = -ENOMEM;
-		goto out_3;
-	}
-
-	/* map slave registers */
-	dum_data.slave_phys_base = PNX4008_DUM_SLAVE_BASE;
-	dum_data.slave_virt_base =
-	    (u32 *) ioremap_nocache(dum_data.slave_phys_base, sizeof(u32));
-
-	if (dum_data.slave_virt_base == NULL) {
-		ret = -ENOMEM;
-		goto out_2;
-	}
-
-	/* initialize DUM and LCD display */
-	ret = dum_init(pdev);
-	if (ret)
-		goto out_1;
-
-	dum_chan_init();
-	lcd_init();
-
-	DUM_CTRL = V_BAC_ENABLE;
-	udelay(1);
-	DUM_CTRL = V_MUX_RESET;
-
-	/* set decode address and sync clock divider */
-	DUM_DECODE = dum_data.lcd_phys_start & DUM_DECODE_MASK;
-	DUM_CLK_DIV = PNX4008_DUM_CLK_DIV;
-
-	for (i = 0; i < MAX_DUM_CHANNELS; i++)
-		dum_data.fb_owning_channel[i] = -1;
-
-	/*setup wakeup interrupt */
-	start_int_set_rising_edge(SE_DISP_SYNC_INT);
-	start_int_ack(SE_DISP_SYNC_INT);
-	start_int_umask(SE_DISP_SYNC_INT);
-
-	return 0;
-
-out_1:
-	iounmap((void *)dum_data.slave_virt_base);
-out_2:
-	dma_free_writecombine(&pdev->dev, FB_DMA_SIZE,
-			(void *)dum_data.lcd_virt_start,
-			dum_data.lcd_phys_start);
-out_3:
-	return ret;
-}
-
-static int sdum_remove(struct platform_device *pdev)
-{
-	struct clk *clk;
-
-	start_int_mask(SE_DISP_SYNC_INT);
-
-	clk = clk_get(0, "dum_ck");
-	if (!IS_ERR(clk)) {
-		clk_set_rate(clk, 0);
-		clk_put(clk);
-	}
-
-	iounmap((void *)dum_data.slave_virt_base);
-
-	dma_free_writecombine(&pdev->dev, FB_DMA_SIZE,
-			(void *)dum_data.lcd_virt_start,
-			dum_data.lcd_phys_start);
-
-	return 0;
-}
-
-static struct platform_driver sdum_driver = {
-	.driver = {
-		.name = "pnx4008-sdum",
-	},
-	.probe = sdum_probe,
-	.remove = sdum_remove,
-	.suspend = sdum_suspend,
-	.resume = sdum_resume,
-};
-
-module_platform_driver(sdum_driver);
-
-MODULE_LICENSE("GPL");
diff --git a/drivers/video/pnx4008/sdum.h b/drivers/video/pnx4008/sdum.h
deleted file mode 100644
index 189c3d64138..00000000000
--- a/drivers/video/pnx4008/sdum.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (C) 2005 Philips Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA, or http://www.gnu.org/licenses/gpl.html
-*/
-
-#define MAX_DUM_CHANNELS	64
-
-#define RGB_MEM_WINDOW(x) (0x10000000 + (x)*0x00100000)
-
-#define QCIF_OFFSET(x) (((x) == 0) ? 0x00000: ((x) == 1) ? 0x30000: -1)
-#define CIF_OFFSET(x)  (((x) == 0) ? 0x00000: ((x) == 1) ? 0x60000: -1)
-
-#define CTRL_SETDIRTY	 	(0x00000001)
-#define CONF_DIRTYENABLE	(0x00000020)
-#define CONF_SYNCENABLE		(0x00000004)
-
-#define DIRTY_ENABLED(conf)	((conf) & 0x0020)
-#define SYNC_ENABLED(conf) 	((conf) & 0x0004)
-
-/* Display 1 & 2 Write Timing Configuration */
-#define PNX4008_DUM_WT_CFG		0x00372000
-
-/* Display 1 & 2 Read Timing Configuration */
-#define PNX4008_DUM_RT_CFG		0x00003A47
-
-/* DUM Transit State Timing Configuration */
-#define PNX4008_DUM_T_CFG		0x1D	/* 29 HCLK cycles */
-
-/* DUM Sync count clock divider */
-#define PNX4008_DUM_CLK_DIV		0x02DD
-
-/* Memory size for framebuffer, allocated through dma_alloc_writecombine().
- * Must be PAGE aligned
- */
-#define FB_DMA_SIZE (PAGE_ALIGN(SZ_1M + PAGE_SIZE))
-
-#define OFFSET_RGBBUFFER (0xB0000)
-#define OFFSET_YUVBUFFER (0x00000)
-
-#define YUVBUFFER (lcd_video_start + OFFSET_YUVBUFFER)
-#define RGBBUFFER (lcd_video_start + OFFSET_RGBBUFFER)
-
-#define CMDSTRING_BASEADDR	(0x00C000)	/* iram */
-#define BYTES_PER_CMDSTRING	(0x80)
-#define NR_OF_CMDSTRINGS	(64)
-
-#define MAX_NR_PRESTRINGS (0x40)
-#define MAX_NR_POSTSTRINGS (0x40)
-
-/* various mask definitions */
-#define DUM_CLK_ENABLE 0x01
-#define DUM_CLK_DISABLE 0
-#define DUM_DECODE_MASK 0x1FFFFFFF
-#define DUM_CHANNEL_CFG_MASK 0x01FF
-#define DUM_CHANNEL_CFG_SYNC_MASK 0xFFFE00FF
-#define DUM_CHANNEL_CFG_SYNC_MASK_SET 0x0CA00
-
-#define SDUM_RETURNVAL_BASE (0x500)
-
-#define CONF_SYNC_OFF		(0x602)
-#define CONF_SYNC_ON		(0x603)
-
-#define CONF_DIRTYDETECTION_OFF	(0x600)
-#define CONF_DIRTYDETECTION_ON	(0x601)
-
-struct dumchannel_uf {
-	int channelnr;
-	u32 *dirty;
-	u32 *source;
-	u32 x_offset;
-	u32 y_offset;
-	u32 width;
-	u32 height;
-};
-
-enum {
-	FB_TYPE_YUV,
-	FB_TYPE_RGB
-};
-
-struct cmdstring {
-	int channelnr;
-	uint16_t prestringlen;
-	uint16_t poststringlen;
-	uint16_t format;
-	uint16_t reserved;
-	uint16_t startaddr_low;
-	uint16_t startaddr_high;
-	uint16_t pixdatlen_low;
-	uint16_t pixdatlen_high;
-	u32 precmd[MAX_NR_PRESTRINGS];
-	u32 postcmd[MAX_NR_POSTSTRINGS];
-
-};
-
-struct dumchannel {
-	int channelnr;
-	int dum_ch_min;
-	int dum_ch_max;
-	int dum_ch_conf;
-	int dum_ch_stat;
-	int dum_ch_ctrl;
-};
-
-int pnx4008_alloc_dum_channel(int dev_id);
-int pnx4008_free_dum_channel(int channr, int dev_id);
-
-int pnx4008_get_dum_channel_uf(struct dumchannel_uf *pChan_uf, int dev_id);
-int pnx4008_put_dum_channel_uf(struct dumchannel_uf chan_uf, int dev_id);
-
-int pnx4008_set_dum_channel_sync(int channr, int val, int dev_id);
-int pnx4008_set_dum_channel_dirty_detect(int channr, int val, int dev_id);
-
-int pnx4008_force_dum_update_channel(int channr, int dev_id);
-
-int pnx4008_get_dum_channel_config(int channr, int dev_id);
-
-int pnx4008_sdum_mmap(struct fb_info *info, struct vm_area_struct *vma, struct device *dev);
-int pnx4008_set_dum_exit_notification(int dev_id);
-
-int pnx4008_get_fb_addresses(int fb_type, void **virt_addr,
-			     dma_addr_t * phys_addr, int *fb_length);
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index 4e292f29bf5..0b340d6ff8a 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -1034,6 +1034,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 	if (status) {
 		dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
 			__func__, status);
+		retval = -ENOMEM;
 		goto err_close_device;
 	}
 	dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar);
@@ -1046,6 +1047,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 		dev_err(&dev->core,
 			"%s: lv1_gpu_context_allocate failed: %d\n", __func__,
 			status);
+		retval = -ENOMEM;
 		goto err_gpu_memory_free;
 	}
 
@@ -1053,6 +1055,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 	dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);
 	if (!dinfo) {
 		dev_err(&dev->core, "%s: ioremap failed\n", __func__);
+		retval = -ENOMEM;
 		goto err_gpu_context_free;
 	}
 
@@ -1121,8 +1124,10 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 	}
 
 	info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
-	if (!info)
+	if (!info) {
+		retval = -ENOMEM;
 		goto err_context_fb_close;
+	}
 
 	par = info->par;
 	par->mode_id = ~ps3fb_mode;	/* != ps3fb_mode, to trigger change */
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 69bf9d07c23..2ed7b633bbd 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -25,8 +25,8 @@
 #include <linux/interrupt.h>
 #include <linux/pm_runtime.h>
 
+#include <video/samsung_fimd.h>
 #include <mach/map.h>
-#include <plat/regs-fb-v4.h>
 #include <plat/fb.h>
 
 /* This driver will export a number of framebuffer interfaces depending
@@ -1398,35 +1398,28 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
 
 	spin_lock_init(&sfb->slock);
 
-	sfb->bus_clk = clk_get(dev, "lcd");
+	sfb->bus_clk = devm_clk_get(dev, "lcd");
 	if (IS_ERR(sfb->bus_clk)) {
 		dev_err(dev, "failed to get bus clock\n");
-		ret = PTR_ERR(sfb->bus_clk);
-		goto err_sfb;
+		return PTR_ERR(sfb->bus_clk);
 	}
 
-	clk_enable(sfb->bus_clk);
+	clk_prepare_enable(sfb->bus_clk);
 
 	if (!sfb->variant.has_clksel) {
-		sfb->lcd_clk = clk_get(dev, "sclk_fimd");
+		sfb->lcd_clk = devm_clk_get(dev, "sclk_fimd");
 		if (IS_ERR(sfb->lcd_clk)) {
 			dev_err(dev, "failed to get lcd clock\n");
 			ret = PTR_ERR(sfb->lcd_clk);
 			goto err_bus_clk;
 		}
 
-		clk_enable(sfb->lcd_clk);
+		clk_prepare_enable(sfb->lcd_clk);
 	}
 
 	pm_runtime_enable(sfb->dev);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "failed to find registers\n");
-		ret = -ENOENT;
-		goto err_lcd_clk;
-	}
-
 	sfb->regs = devm_request_and_ioremap(dev, res);
 	if (!sfb->regs) {
 		dev_err(dev, "failed to map registers\n");
@@ -1510,16 +1503,12 @@ err_pm_runtime:
 err_lcd_clk:
 	pm_runtime_disable(sfb->dev);
 
-	if (!sfb->variant.has_clksel) {
-		clk_disable(sfb->lcd_clk);
-		clk_put(sfb->lcd_clk);
-	}
+	if (!sfb->variant.has_clksel)
+		clk_disable_unprepare(sfb->lcd_clk);
 
 err_bus_clk:
-	clk_disable(sfb->bus_clk);
-	clk_put(sfb->bus_clk);
+	clk_disable_unprepare(sfb->bus_clk);
 
-err_sfb:
 	return ret;
 }
 
@@ -1541,13 +1530,10 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
 		if (sfb->windows[win])
 			s3c_fb_release_win(sfb, sfb->windows[win]);
 
-	if (!sfb->variant.has_clksel) {
-		clk_disable(sfb->lcd_clk);
-		clk_put(sfb->lcd_clk);
-	}
+	if (!sfb->variant.has_clksel)
+		clk_disable_unprepare(sfb->lcd_clk);
 
-	clk_disable(sfb->bus_clk);
-	clk_put(sfb->bus_clk);
+	clk_disable_unprepare(sfb->bus_clk);
 
 	pm_runtime_put_sync(sfb->dev);
 	pm_runtime_disable(sfb->dev);
@@ -1575,9 +1561,9 @@ static int s3c_fb_suspend(struct device *dev)
 	}
 
 	if (!sfb->variant.has_clksel)
-		clk_disable(sfb->lcd_clk);
+		clk_disable_unprepare(sfb->lcd_clk);
 
-	clk_disable(sfb->bus_clk);
+	clk_disable_unprepare(sfb->bus_clk);
 
 	pm_runtime_put_sync(sfb->dev);
 
@@ -1595,10 +1581,10 @@ static int s3c_fb_resume(struct device *dev)
 
 	pm_runtime_get_sync(sfb->dev);
 
-	clk_enable(sfb->bus_clk);
+	clk_prepare_enable(sfb->bus_clk);
 
 	if (!sfb->variant.has_clksel)
-		clk_enable(sfb->lcd_clk);
+		clk_prepare_enable(sfb->lcd_clk);
 
 	/* setup gpio and output polarity controls */
 	pd->setup_gpio();
@@ -1654,9 +1640,9 @@ static int s3c_fb_runtime_suspend(struct device *dev)
 	struct s3c_fb *sfb = platform_get_drvdata(pdev);
 
 	if (!sfb->variant.has_clksel)
-		clk_disable(sfb->lcd_clk);
+		clk_disable_unprepare(sfb->lcd_clk);
 
-	clk_disable(sfb->bus_clk);
+	clk_disable_unprepare(sfb->bus_clk);
 
 	return 0;
 }
@@ -1667,10 +1653,10 @@ static int s3c_fb_runtime_resume(struct device *dev)
 	struct s3c_fb *sfb = platform_get_drvdata(pdev);
 	struct s3c_fb_platdata *pd = sfb->pdata;
 
-	clk_enable(sfb->bus_clk);
+	clk_prepare_enable(sfb->bus_clk);
 
 	if (!sfb->variant.has_clksel)
-		clk_enable(sfb->lcd_clk);
+		clk_prepare_enable(sfb->lcd_clk);
 
 	/* setup gpio and output polarity controls */
 	pd->setup_gpio();
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index 77f34c614c8..1083bb9469e 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -11,6 +11,8 @@
  * Driver based on skeletonfb.c, sa1100fb.c and others.
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/err.h>
@@ -48,7 +50,11 @@ static int debug	= 1;
 static int debug;
 #endif
 
-#define dprintk(msg...)	if (debug) printk(KERN_DEBUG "s3c2410fb: " msg);
+#define dprintk(msg...) \
+do { \
+	if (debug) \
+		pr_debug(msg); \
+} while (0)
 
 /* useful functions */
 
@@ -598,11 +604,11 @@ static int s3c2410fb_debug_store(struct device *dev,
 	if (strnicmp(buf, "on", 2) == 0 ||
 	    strnicmp(buf, "1", 1) == 0) {
 		debug = 1;
-		printk(KERN_DEBUG "s3c2410fb: Debug On");
+		dev_dbg(dev, "s3c2410fb: Debug On");
 	} else if (strnicmp(buf, "off", 3) == 0 ||
 		   strnicmp(buf, "0", 1) == 0) {
 		debug = 0;
-		printk(KERN_DEBUG "s3c2410fb: Debug Off");
+		dev_dbg(dev, "s3c2410fb: Debug Off");
 	} else {
 		return -EINVAL;
 	}
@@ -921,7 +927,7 @@ static int __devinit s3c24xxfb_probe(struct platform_device *pdev,
 
 	info->clk = clk_get(NULL, "lcd");
 	if (IS_ERR(info->clk)) {
-		printk(KERN_ERR "failed to get lcd clock source\n");
+		dev_err(&pdev->dev, "failed to get lcd clock source\n");
 		ret = PTR_ERR(info->clk);
 		goto release_irq;
 	}
@@ -929,7 +935,7 @@ static int __devinit s3c24xxfb_probe(struct platform_device *pdev,
 	clk_enable(info->clk);
 	dprintk("got and enabled clock\n");
 
-	usleep_range(1000, 1000);
+	usleep_range(1000, 1100);
 
 	info->clk_rate = clk_get_rate(info->clk);
 
@@ -947,7 +953,7 @@ static int __devinit s3c24xxfb_probe(struct platform_device *pdev,
 	/* Initialize video memory */
 	ret = s3c2410fb_map_video_memory(fbinfo);
 	if (ret) {
-		printk(KERN_ERR "Failed to allocate video RAM: %d\n", ret);
+		dev_err(&pdev->dev, "Failed to allocate video RAM: %d\n", ret);
 		ret = -ENOMEM;
 		goto release_clock;
 	}
@@ -970,7 +976,7 @@ static int __devinit s3c24xxfb_probe(struct platform_device *pdev,
 
 	ret = register_framebuffer(fbinfo);
 	if (ret < 0) {
-		printk(KERN_ERR "Failed to register framebuffer device: %d\n",
+		dev_err(&pdev->dev, "Failed to register framebuffer device: %d\n",
 			ret);
 		goto free_cpufreq;
 	}
@@ -978,9 +984,9 @@ static int __devinit s3c24xxfb_probe(struct platform_device *pdev,
 	/* create device files */
 	ret = device_create_file(&pdev->dev, &dev_attr_debug);
 	if (ret)
-		printk(KERN_ERR "failed to add debug attribute\n");
+		dev_err(&pdev->dev, "failed to add debug attribute\n");
 
-	printk(KERN_INFO "fb%d: %s frame buffer device\n",
+	dev_info(&pdev->dev, "fb%d: %s frame buffer device\n",
 		fbinfo->node, fbinfo->fix.id);
 
 	return 0;
@@ -1028,7 +1034,7 @@ static int __devexit s3c2410fb_remove(struct platform_device *pdev)
 	s3c2410fb_cpufreq_deregister(info);
 
 	s3c2410fb_lcd_enable(info, 0);
-	usleep_range(1000, 1000);
+	usleep_range(1000, 1100);
 
 	s3c2410fb_unmap_video_memory(fbinfo);
 
@@ -1065,7 +1071,7 @@ static int s3c2410fb_suspend(struct platform_device *dev, pm_message_t state)
 	 * the LCD DMA engine is not going to get back on the bus
 	 * before the clock goes off again (bjd) */
 
-	usleep_range(1000, 1000);
+	usleep_range(1000, 1100);
 	clk_disable(info->clk);
 
 	return 0;
@@ -1077,7 +1083,7 @@ static int s3c2410fb_resume(struct platform_device *dev)
 	struct s3c2410fb_info *info = fbinfo->par;
 
 	clk_enable(info->clk);
-	usleep_range(1000, 1000);
+	usleep_range(1000, 1100);
 
 	s3c2410fb_init_registers(fbinfo);
 
@@ -1134,8 +1140,8 @@ static void __exit s3c2410fb_cleanup(void)
 module_init(s3c2410fb_init);
 module_exit(s3c2410fb_cleanup);
 
-MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>, "
-	      "Ben Dooks <ben-linux@fluff.org>");
+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
+MODULE_AUTHOR("Ben Dooks <ben-linux@fluff.org>");
 MODULE_DESCRIPTION("Framebuffer driver for the s3c2410");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:s3c2410-lcd");
diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c
index 0d0f52c18fd..f4f53b082d0 100644
--- a/drivers/video/savage/savagefb_driver.c
+++ b/drivers/video/savage/savagefb_driver.c
@@ -2266,8 +2266,10 @@ static int __devinit savagefb_probe(struct pci_dev* dev,
 	lpitch = info->var.xres_virtual*((info->var.bits_per_pixel + 7) >> 3);
 	info->var.yres_virtual = info->fix.smem_len/lpitch;
 
-	if (info->var.yres_virtual < info->var.yres)
+	if (info->var.yres_virtual < info->var.yres) {
+		err = -ENOMEM;
 		goto failed;
+	}
 
 #if defined(CONFIG_FB_SAVAGE_ACCEL)
 	/*
diff --git a/drivers/video/sis/initextlfb.c b/drivers/video/sis/initextlfb.c
index 9dec64da401..3ab18f5a375 100644
--- a/drivers/video/sis/initextlfb.c
+++ b/drivers/video/sis/initextlfb.c
@@ -65,7 +65,7 @@ sisfb_mode_rate_to_dclock(struct SiS_Private *SiS_Pr, unsigned char modeno,
     }
 #endif
 
-    if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) {;
+    if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) {
        printk(KERN_ERR "Could not find mode %x\n", ModeNo);
        return 65000;
     }
diff --git a/drivers/video/sunxvr1000.c b/drivers/video/sunxvr1000.c
index b7f27acaf81..729a50722bd 100644
--- a/drivers/video/sunxvr1000.c
+++ b/drivers/video/sunxvr1000.c
@@ -141,8 +141,10 @@ static int __devinit gfb_probe(struct platform_device *op)
 
 	gp->fb_base = of_ioremap(&op->resource[6], 0,
 				 gp->fb_size, "gfb fb");
-	if (!gp->fb_base)
+	if (!gp->fb_base) {
+		err = -ENOMEM;
 		goto err_release_fb;
+	}
 
 	err = gfb_set_fbinfo(gp);
 	if (err)
diff --git a/drivers/video/sunxvr2500.c b/drivers/video/sunxvr2500.c
index 5848436c19d..7fbcba86d1a 100644
--- a/drivers/video/sunxvr2500.c
+++ b/drivers/video/sunxvr2500.c
@@ -181,8 +181,10 @@ static int __devinit s3d_pci_register(struct pci_dev *pdev,
 	sp->fb_size = info->fix.line_length * sp->height;
 
 	sp->fb_base = ioremap(sp->fb_base_phys, sp->fb_size);
-	if (!sp->fb_base)
+	if (!sp->fb_base) {
+		err = -ENOMEM;
 		goto err_release_pci;
+	}
 
 	err = s3d_set_fbinfo(sp);
 	if (err)
diff --git a/drivers/video/sunxvr500.c b/drivers/video/sunxvr500.c
index eb931b8626f..6c71b1b4447 100644
--- a/drivers/video/sunxvr500.c
+++ b/drivers/video/sunxvr500.c
@@ -298,8 +298,10 @@ static int __devinit e3d_pci_register(struct pci_dev *pdev,
 		goto err_release_fb;
 	}
 	ep->ramdac = ioremap(ep->regs_base_phys + 0x8000, 0x1000);
-	if (!ep->ramdac)
+	if (!ep->ramdac) {
+		err = -ENOMEM;
 		goto err_release_pci1;
+	}
 
 	ep->fb8_0_off = readl(ep->ramdac + RAMDAC_VID_8FB_0);
 	ep->fb8_0_off -= ep->fb_base_reg;
@@ -343,8 +345,10 @@ static int __devinit e3d_pci_register(struct pci_dev *pdev,
 	ep->fb_size = info->fix.line_length * ep->height;
 
 	ep->fb_base = ioremap(ep->fb_base_phys, ep->fb_size);
-	if (!ep->fb_base)
+	if (!ep->fb_base) {
+		err = -ENOMEM;
 		goto err_release_pci0;
+	}
 
 	err = e3d_set_fbinfo(ep);
 	if (err)
diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c
index f45eba3d615..86d449ea316 100644
--- a/drivers/video/udlfb.c
+++ b/drivers/video/udlfb.c
@@ -646,7 +646,7 @@ static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
 	result = fb_sys_write(info, buf, count, ppos);
 
 	if (result > 0) {
-		int start = max((int)(offset / info->fix.line_length) - 1, 0);
+		int start = max((int)(offset / info->fix.line_length), 0);
 		int lines = min((u32)((result / info->fix.line_length) + 1),
 				(u32)info->var.yres);
 
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index b0e2a4261af..2f8f82d874a 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -659,6 +659,8 @@ static int __devinit uvesafb_vbe_getedid(struct uvesafb_ktask *task,
 	task->t.flags = TF_BUF_RET | TF_BUF_ESDI;
 	task->t.buf_len = EDID_LENGTH;
 	task->buf = kzalloc(EDID_LENGTH, GFP_KERNEL);
+	if (!task->buf)
+		return -ENOMEM;
 
 	err = uvesafb_exec(task);
 
diff --git a/drivers/video/vermilion/vermilion.c b/drivers/video/vermilion/vermilion.c
index 89aef343e29..4709edc3cb7 100644
--- a/drivers/video/vermilion/vermilion.c
+++ b/drivers/video/vermilion/vermilion.c
@@ -1167,8 +1167,7 @@ void vmlfb_unregister_subsys(struct vml_sys *sys)
 	list_for_each_entry_safe(entry, next, &global_has_mode, head) {
 		printk(KERN_DEBUG MODULE_NAME ": subsys disable pipe\n");
 		vmlfb_disable_pipe(entry);
-		list_del(&entry->head);
-		list_add_tail(&entry->head, &global_no_mode);
+		list_move_tail(&entry->head, &global_no_mode);
 	}
 	mutex_unlock(&vml_mutex);
 }
diff --git a/drivers/video/via/via_clock.c b/drivers/video/via/via_clock.c
index af8f26b643c..db1e39277e3 100644
--- a/drivers/video/via/via_clock.c
+++ b/drivers/video/via/via_clock.c
@@ -25,6 +25,7 @@
 
 #include <linux/kernel.h>
 #include <linux/via-core.h>
+#include <asm/olpc.h>
 #include "via_clock.h"
 #include "global.h"
 #include "debug.h"
@@ -289,6 +290,10 @@ static void dummy_set_pll(struct via_pll_config config)
 	printk(KERN_INFO "Using undocumented set PLL.\n%s", via_slap);
 }
 
+static void noop_set_clock_state(u8 state)
+{
+}
+
 void via_clock_init(struct via_clock *clock, int gfx_chip)
 {
 	switch (gfx_chip) {
@@ -346,4 +351,18 @@ void via_clock_init(struct via_clock *clock, int gfx_chip)
 		break;
 
 	}
+
+	if (machine_is_olpc()) {
+		/* The OLPC XO-1.5 cannot suspend/resume reliably if the
+		 * IGA1/IGA2 clocks are set as on or off (memory rot
+		 * occasionally happens during suspend under such
+		 * configurations).
+		 *
+		 * The only known stable scenario is to leave this bits as-is,
+		 * which in their default states are documented to enable the
+		 * clock only when it is needed.
+		 */
+		clock->set_primary_clock_state = noop_set_clock_state;
+		clock->set_secondary_clock_state = noop_set_clock_state;
+	}
 }
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index b7f5173ff9e..917bb568168 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -641,7 +641,6 @@ static void xenfb_backend_changed(struct xenbus_device *dev,
 	case XenbusStateReconfiguring:
 	case XenbusStateReconfigured:
 	case XenbusStateUnknown:
-	case XenbusStateClosed:
 		break;
 
 	case XenbusStateInitWait:
@@ -670,6 +669,10 @@ InitWait:
 		info->feature_resize = val;
 		break;
 
+	case XenbusStateClosed:
+		if (dev->state == XenbusStateClosed)
+			break;
+		/* Missed the backend's CLOSING state -- fallthrough */
 	case XenbusStateClosing:
 		xenbus_frontend_closed(dev);
 		break;
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index d4dffcd5287..126d8ce591c 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -3,6 +3,7 @@ menu "Xen driver support"
 
 config XEN_BALLOON
 	bool "Xen memory balloon driver"
+	depends on !ARM
 	default y
 	help
 	  The balloon driver allows the Xen domain to request more memory from
@@ -145,6 +146,7 @@ config SWIOTLB_XEN
 
 config XEN_TMEM
 	bool
+	depends on !ARM
 	default y if (CLEANCACHE || FRONTSWAP)
 	help
 	  Shim to interface in-kernel Transcendent Memory hooks
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 31ab82fda38..d6886d90ccf 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -55,7 +55,6 @@
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm/tlb.h>
-#include <asm/e820.h>
 
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
@@ -88,7 +87,7 @@ struct balloon_stats balloon_stats;
 EXPORT_SYMBOL_GPL(balloon_stats);
 
 /* We increase/decrease in batches which fit in a page */
-static unsigned long frame_list[PAGE_SIZE / sizeof(unsigned long)];
+static xen_pfn_t frame_list[PAGE_SIZE / sizeof(unsigned long)];
 
 #ifdef CONFIG_HIGHMEM
 #define inc_totalhigh_pages() (totalhigh_pages++)
diff --git a/drivers/xen/dbgp.c b/drivers/xen/dbgp.c
index 42569c77ccc..f3ccc80a455 100644
--- a/drivers/xen/dbgp.c
+++ b/drivers/xen/dbgp.c
@@ -8,7 +8,9 @@
 
 static int xen_dbgp_op(struct usb_hcd *hcd, int op)
 {
+#ifdef CONFIG_PCI
 	const struct device *ctrlr = hcd_to_bus(hcd)->controller;
+#endif
 	struct physdev_dbgp_op dbgp;
 
 	if (!xen_initial_domain())
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 59e10a1286d..912ac81b6db 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -115,7 +115,9 @@ struct irq_info {
 #define PIRQ_SHAREABLE	(1 << 1)
 
 static int *evtchn_to_irq;
+#ifdef CONFIG_X86
 static unsigned long *pirq_eoi_map;
+#endif
 static bool (*pirq_needs_eoi)(unsigned irq);
 
 static DEFINE_PER_CPU(unsigned long [NR_EVENT_CHANNELS/BITS_PER_LONG],
@@ -277,10 +279,12 @@ static unsigned int cpu_from_evtchn(unsigned int evtchn)
 	return ret;
 }
 
+#ifdef CONFIG_X86
 static bool pirq_check_eoi_map(unsigned irq)
 {
 	return test_bit(pirq_from_irq(irq), pirq_eoi_map);
 }
+#endif
 
 static bool pirq_needs_eoi_flag(unsigned irq)
 {
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 610bfc6be17..2e22df2f7a3 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -105,6 +105,21 @@ static void gntdev_print_maps(struct gntdev_priv *priv,
 #endif
 }
 
+static void gntdev_free_map(struct grant_map *map)
+{
+	if (map == NULL)
+		return;
+
+	if (map->pages)
+		free_xenballooned_pages(map->count, map->pages);
+	kfree(map->pages);
+	kfree(map->grants);
+	kfree(map->map_ops);
+	kfree(map->unmap_ops);
+	kfree(map->kmap_ops);
+	kfree(map);
+}
+
 static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
 {
 	struct grant_map *add;
@@ -142,12 +157,7 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
 	return add;
 
 err:
-	kfree(add->pages);
-	kfree(add->grants);
-	kfree(add->map_ops);
-	kfree(add->unmap_ops);
-	kfree(add->kmap_ops);
-	kfree(add);
+	gntdev_free_map(add);
 	return NULL;
 }
 
@@ -198,17 +208,9 @@ static void gntdev_put_map(struct grant_map *map)
 		evtchn_put(map->notify.event);
 	}
 
-	if (map->pages) {
-		if (!use_ptemod)
-			unmap_grant_pages(map, 0, map->count);
-
-		free_xenballooned_pages(map->count, map->pages);
-	}
-	kfree(map->pages);
-	kfree(map->grants);
-	kfree(map->map_ops);
-	kfree(map->unmap_ops);
-	kfree(map);
+	if (map->pages && !use_ptemod)
+		unmap_grant_pages(map, 0, map->count);
+	gntdev_free_map(map);
 }
 
 /* ------------------------------------------------------------------ */
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index b2b0a375b34..b91f14e8316 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -84,7 +84,7 @@ struct gnttab_ops {
 	 * nr_gframes is the number of frames to map grant table. Returning
 	 * GNTST_okay means success and negative value means failure.
 	 */
-	int (*map_frames)(unsigned long *frames, unsigned int nr_gframes);
+	int (*map_frames)(xen_pfn_t *frames, unsigned int nr_gframes);
 	/*
 	 * Release a list of frames which are mapped in map_frames for grant
 	 * entry status.
@@ -960,7 +960,7 @@ static unsigned nr_status_frames(unsigned nr_grant_frames)
 	return (nr_grant_frames * GREFS_PER_GRANT_FRAME + SPP - 1) / SPP;
 }
 
-static int gnttab_map_frames_v1(unsigned long *frames, unsigned int nr_gframes)
+static int gnttab_map_frames_v1(xen_pfn_t *frames, unsigned int nr_gframes)
 {
 	int rc;
 
@@ -977,7 +977,7 @@ static void gnttab_unmap_frames_v1(void)
 	arch_gnttab_unmap(gnttab_shared.addr, nr_grant_frames);
 }
 
-static int gnttab_map_frames_v2(unsigned long *frames, unsigned int nr_gframes)
+static int gnttab_map_frames_v2(xen_pfn_t *frames, unsigned int nr_gframes)
 {
 	uint64_t *sframes;
 	unsigned int nr_sframes;
@@ -1029,7 +1029,7 @@ static void gnttab_unmap_frames_v2(void)
 static int gnttab_map(unsigned int start_idx, unsigned int end_idx)
 {
 	struct gnttab_setup_table setup;
-	unsigned long *frames;
+	xen_pfn_t *frames;
 	unsigned int nr_gframes = end_idx + 1;
 	int rc;
 
diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
index 5e5ad7e2885..96453f8a85c 100644
--- a/drivers/xen/sys-hypervisor.c
+++ b/drivers/xen/sys-hypervisor.c
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/kobject.h>
+#include <linux/err.h>
 
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
@@ -284,7 +285,8 @@ static ssize_t virtual_start_show(struct hyp_sysfs_attr *attr, char *buffer)
 		ret = HYPERVISOR_xen_version(XENVER_platform_parameters,
 					     parms);
 		if (!ret)
-			ret = sprintf(buffer, "%lx\n", parms->virt_start);
+			ret = sprintf(buffer, "%"PRI_xen_ulong"\n",
+				      parms->virt_start);
 		kfree(parms);
 	}
 
diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c
index 46d140baebd..0f478ac483c 100644
--- a/drivers/xen/xen-pciback/vpci.c
+++ b/drivers/xen/xen-pciback/vpci.c
@@ -89,9 +89,15 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
 
 	mutex_lock(&vpci_dev->lock);
 
-	/* Keep multi-function devices together on the virtual PCI bus */
-	for (slot = 0; slot < PCI_SLOT_MAX; slot++) {
-		if (!list_empty(&vpci_dev->dev_list[slot])) {
+	/*
+	 * Keep multi-function devices together on the virtual PCI bus, except
+	 * virtual functions.
+	 */
+	if (!dev->is_virtfn) {
+		for (slot = 0; slot < PCI_SLOT_MAX; slot++) {
+			if (list_empty(&vpci_dev->dev_list[slot]))
+				continue;
+
 			t = list_entry(list_first(&vpci_dev->dev_list[slot]),
 				       struct pci_dev_entry, list);
 
@@ -116,7 +122,7 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
 			       pci_name(dev), slot);
 			list_add_tail(&dev_entry->list,
 				      &vpci_dev->dev_list[slot]);
-			func = PCI_FUNC(dev->devfn);
+			func = dev->is_virtfn ? 0 : PCI_FUNC(dev->devfn);
 			goto unlock;
 		}
 	}
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 89f76252a16..ac727028e65 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -458,7 +458,7 @@ static ssize_t xenbus_file_write(struct file *filp,
 		goto out;
 
 	/* Can't write a xenbus message larger we can buffer */
-	if ((len + u->len) > sizeof(u->u.buffer)) {
+	if (len > sizeof(u->u.buffer) - u->len) {
 		/* On error, dump existing buffer */
 		u->len = 0;
 		rc = -EINVAL;
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 131dec04794..acedeabe589 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -48,6 +48,7 @@
 #include <xen/xenbus.h>
 #include <xen/xen.h>
 #include "xenbus_comms.h"
+#include <asm/xen/hypervisor.h>
 
 struct xs_stored_msg {
 	struct list_head list;
@@ -618,7 +619,26 @@ static struct xenbus_watch *find_watch(const char *token)
 
 	return NULL;
 }
+/*
+ * Certain older XenBus toolstack cannot handle reading values that are
+ * not populated. Some Xen 3.4 installation are incapable of doing this
+ * so if we are running on anything older than 4 do not attempt to read
+ * control/platform-feature-xs_reset_watches.
+ */
+static bool xen_strict_xenbus_quirk(void)
+{
+#ifdef CONFIG_X86
+	uint32_t eax, ebx, ecx, edx, base;
+
+	base = xen_cpuid_base();
+	cpuid(base + 1, &eax, &ebx, &ecx, &edx);
 
+	if ((eax >> 16) < 4)
+		return true;
+#endif
+	return false;
+
+}
 static void xs_reset_watches(void)
 {
 	int err, supported = 0;
@@ -626,6 +646,9 @@ static void xs_reset_watches(void)
 	if (!xen_hvm_domain() || xen_initial_domain())
 		return;
 
+	if (xen_strict_xenbus_quirk())
+		return;
+
 	err = xenbus_scanf(XBT_NIL, "control",
 			"platform-feature-xs_reset_watches", "%d", &supported);
 	if (err != 1 || !supported)