diff options
Diffstat (limited to 'drivers')
236 files changed, 2752 insertions, 2084 deletions
diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h index bc533dde16c..f895a244ca7 100644 --- a/drivers/acpi/acpica/acconfig.h +++ b/drivers/acpi/acpica/acconfig.h @@ -121,7 +121,7 @@ /* Maximum sleep allowed via Sleep() operator */ -#define ACPI_MAX_SLEEP 20000 /* Two seconds */ +#define ACPI_MAX_SLEEP 2000 /* Two seconds */ /****************************************************************************** * diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig index c34aa51af4e..e3f47872ec2 100644 --- a/drivers/acpi/apei/Kconfig +++ b/drivers/acpi/apei/Kconfig @@ -13,6 +13,7 @@ config ACPI_APEI_GHES bool "APEI Generic Hardware Error Source" depends on ACPI_APEI && X86 select ACPI_HED + select IRQ_WORK select LLIST select GENERIC_ALLOCATOR help diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index 8041248fce9..61540360d5c 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -618,7 +618,7 @@ int apei_osc_setup(void) }; capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE; - capbuf[OSC_SUPPORT_TYPE] = 0; + capbuf[OSC_SUPPORT_TYPE] = 1; capbuf[OSC_CONTROL_TYPE] = 0; if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)) diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c index 2c18d584066..b97294e2d95 100644 --- a/drivers/base/power/clock_ops.c +++ b/drivers/base/power/clock_ops.c @@ -42,6 +42,22 @@ static struct pm_clk_data *__to_pcd(struct device *dev) } /** + * pm_clk_acquire - Acquire a device clock. + * @dev: Device whose clock is to be acquired. + * @ce: PM clock entry corresponding to the clock. + */ +static void pm_clk_acquire(struct device *dev, struct pm_clock_entry *ce) +{ + ce->clk = clk_get(dev, ce->con_id); + if (IS_ERR(ce->clk)) { + ce->status = PCE_STATUS_ERROR; + } else { + ce->status = PCE_STATUS_ACQUIRED; + dev_dbg(dev, "Clock %s managed by runtime PM.\n", ce->con_id); + } +} + +/** * pm_clk_add - Start using a device clock for power management. * @dev: Device whose clock is going to be used for power management. * @con_id: Connection ID of the clock. @@ -73,6 +89,8 @@ int pm_clk_add(struct device *dev, const char *con_id) } } + pm_clk_acquire(dev, ce); + spin_lock_irq(&pcd->lock); list_add_tail(&ce->node, &pcd->clock_list); spin_unlock_irq(&pcd->lock); @@ -82,17 +100,12 @@ int pm_clk_add(struct device *dev, const char *con_id) /** * __pm_clk_remove - Destroy PM clock entry. * @ce: PM clock entry to destroy. - * - * This routine must be called under the spinlock protecting the PM list of - * clocks corresponding the the @ce's device. */ static void __pm_clk_remove(struct pm_clock_entry *ce) { if (!ce) return; - list_del(&ce->node); - if (ce->status < PCE_STATUS_ERROR) { if (ce->status == PCE_STATUS_ENABLED) clk_disable(ce->clk); @@ -126,18 +139,22 @@ void pm_clk_remove(struct device *dev, const char *con_id) spin_lock_irq(&pcd->lock); list_for_each_entry(ce, &pcd->clock_list, node) { - if (!con_id && !ce->con_id) { - __pm_clk_remove(ce); - break; - } else if (!con_id || !ce->con_id) { + if (!con_id && !ce->con_id) + goto remove; + else if (!con_id || !ce->con_id) continue; - } else if (!strcmp(con_id, ce->con_id)) { - __pm_clk_remove(ce); - break; - } + else if (!strcmp(con_id, ce->con_id)) + goto remove; } spin_unlock_irq(&pcd->lock); + return; + + remove: + list_del(&ce->node); + spin_unlock_irq(&pcd->lock); + + __pm_clk_remove(ce); } /** @@ -175,20 +192,27 @@ void pm_clk_destroy(struct device *dev) { struct pm_clk_data *pcd = __to_pcd(dev); struct pm_clock_entry *ce, *c; + struct list_head list; if (!pcd) return; dev->power.subsys_data = NULL; + INIT_LIST_HEAD(&list); spin_lock_irq(&pcd->lock); list_for_each_entry_safe_reverse(ce, c, &pcd->clock_list, node) - __pm_clk_remove(ce); + list_move(&ce->node, &list); spin_unlock_irq(&pcd->lock); kfree(pcd); + + list_for_each_entry_safe_reverse(ce, c, &list, node) { + list_del(&ce->node); + __pm_clk_remove(ce); + } } #endif /* CONFIG_PM */ @@ -196,23 +220,6 @@ void pm_clk_destroy(struct device *dev) #ifdef CONFIG_PM_RUNTIME /** - * pm_clk_acquire - Acquire a device clock. - * @dev: Device whose clock is to be acquired. - * @con_id: Connection ID of the clock. - */ -static void pm_clk_acquire(struct device *dev, - struct pm_clock_entry *ce) -{ - ce->clk = clk_get(dev, ce->con_id); - if (IS_ERR(ce->clk)) { - ce->status = PCE_STATUS_ERROR; - } else { - ce->status = PCE_STATUS_ACQUIRED; - dev_dbg(dev, "Clock %s managed by runtime PM.\n", ce->con_id); - } -} - -/** * pm_clk_suspend - Disable clocks in a device's PM clock list. * @dev: Device to disable the clocks for. */ @@ -230,9 +237,6 @@ int pm_clk_suspend(struct device *dev) spin_lock_irqsave(&pcd->lock, flags); list_for_each_entry_reverse(ce, &pcd->clock_list, node) { - if (ce->status == PCE_STATUS_NONE) - pm_clk_acquire(dev, ce); - if (ce->status < PCE_STATUS_ERROR) { clk_disable(ce->clk); ce->status = PCE_STATUS_ACQUIRED; @@ -262,9 +266,6 @@ int pm_clk_resume(struct device *dev) spin_lock_irqsave(&pcd->lock, flags); list_for_each_entry(ce, &pcd->clock_list, node) { - if (ce->status == PCE_STATUS_NONE) - pm_clk_acquire(dev, ce); - if (ce->status < PCE_STATUS_ERROR) { clk_enable(ce->clk); ce->status = PCE_STATUS_ENABLED; diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 0eef4da1ac6..20663f8dae4 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -168,13 +168,11 @@ struct regmap *regmap_init(struct device *dev, map->work_buf = kmalloc(map->format.buf_size, GFP_KERNEL); if (map->work_buf == NULL) { ret = -ENOMEM; - goto err_bus; + goto err_map; } return map; -err_bus: - module_put(map->bus->owner); err_map: kfree(map); err: @@ -188,7 +186,6 @@ EXPORT_SYMBOL_GPL(regmap_init); void regmap_exit(struct regmap *map) { kfree(map->work_buf); - module_put(map->bus->owner); kfree(map); } EXPORT_SYMBOL_GPL(regmap_exit); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 98de8f41867..9955a53733b 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4250,7 +4250,7 @@ static int __init floppy_init(void) use_virtual_dma = can_use_virtual_dma & 1; fdc_state[0].address = FDC1; if (fdc_state[0].address == -1) { - del_timer(&fd_timeout); + del_timer_sync(&fd_timeout); err = -ENODEV; goto out_unreg_region; } @@ -4261,7 +4261,7 @@ static int __init floppy_init(void) fdc = 0; /* reset fdc in case of unexpected interrupt */ err = floppy_grab_irq_and_dma(); if (err) { - del_timer(&fd_timeout); + del_timer_sync(&fd_timeout); err = -EBUSY; goto out_unreg_region; } @@ -4318,7 +4318,7 @@ static int __init floppy_init(void) user_reset_fdc(-1, FD_RESET_ALWAYS, false); } fdc = 0; - del_timer(&fd_timeout); + del_timer_sync(&fd_timeout); current_drive = 0; initialized = true; if (have_no_fdc) { @@ -4368,7 +4368,7 @@ out_unreg_blkdev: unregister_blkdev(FLOPPY_MAJOR, "fd"); out_put_disk: while (dr--) { - del_timer(&motor_off_timer[dr]); + del_timer_sync(&motor_off_timer[dr]); if (disks[dr]->queue) blk_cleanup_queue(disks[dr]->queue); put_disk(disks[dr]); diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 9e40b283a46..00c57c90e2d 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -46,7 +46,7 @@ #define DRV_PFX "xen-blkback:" #define DPRINTK(fmt, args...) \ - pr_debug(DRV_PFX "(%s:%d) " fmt ".\n", \ + pr_debug(DRV_PFX "(%s:%d) " fmt ".\n", \ __func__, __LINE__, ##args) diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 3f129b45451..5fd2010f7d2 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -590,7 +590,7 @@ static void frontend_changed(struct xenbus_device *dev, /* * Enforce precondition before potential leak point. - * blkif_disconnect() is idempotent. + * xen_blkif_disconnect() is idempotent. */ xen_blkif_disconnect(be->blkif); @@ -601,17 +601,17 @@ static void frontend_changed(struct xenbus_device *dev, break; case XenbusStateClosing: - xen_blkif_disconnect(be->blkif); xenbus_switch_state(dev, XenbusStateClosing); break; case XenbusStateClosed: + xen_blkif_disconnect(be->blkif); xenbus_switch_state(dev, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; /* fall through if not online */ case XenbusStateUnknown: - /* implies blkif_disconnect() via blkback_remove() */ + /* implies xen_blkif_disconnect() via xen_blkbk_remove() */ device_unregister(&dev->dev); break; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 3ef476070ba..9cbac6b445e 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -72,9 +72,15 @@ static struct usb_device_id btusb_table[] = { /* Apple MacBookAir3,1, MacBookAir3,2 */ { USB_DEVICE(0x05ac, 0x821b) }, + /* Apple MacBookAir4,1 */ + { USB_DEVICE(0x05ac, 0x821f) }, + /* Apple MacBookPro8,2 */ { USB_DEVICE(0x05ac, 0x821a) }, + /* Apple MacMini5,1 */ + { USB_DEVICE(0x05ac, 0x8281) }, + /* AVM BlueFRITZ! USB v2.0 */ { USB_DEVICE(0x057c, 0x3800) }, diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c index 65d27aff553..04d353f58d7 100644 --- a/drivers/bluetooth/btwilink.c +++ b/drivers/bluetooth/btwilink.c @@ -125,6 +125,13 @@ static long st_receive(void *priv_data, struct sk_buff *skb) /* protocol structure registered with shared transport */ static struct st_proto_s ti_st_proto[MAX_BT_CHNL_IDS] = { { + .chnl_id = HCI_EVENT_PKT, /* HCI Events */ + .hdr_len = sizeof(struct hci_event_hdr), + .offset_len_in_hdr = offsetof(struct hci_event_hdr, plen), + .len_size = 1, /* sizeof(plen) in struct hci_event_hdr */ + .reserve = 8, + }, + { .chnl_id = HCI_ACLDATA_PKT, /* ACL */ .hdr_len = sizeof(struct hci_acl_hdr), .offset_len_in_hdr = offsetof(struct hci_acl_hdr, dlen), @@ -138,13 +145,6 @@ static struct st_proto_s ti_st_proto[MAX_BT_CHNL_IDS] = { .len_size = 1, /* sizeof(dlen) in struct hci_sco_hdr */ .reserve = 8, }, - { - .chnl_id = HCI_EVENT_PKT, /* HCI Events */ - .hdr_len = sizeof(struct hci_event_hdr), - .offset_len_in_hdr = offsetof(struct hci_event_hdr, plen), - .len_size = 1, /* sizeof(plen) in struct hci_event_hdr */ - .reserve = 8, - }, }; /* Called from HCI core to initialize the device */ @@ -240,7 +240,7 @@ static int ti_st_close(struct hci_dev *hdev) if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) return 0; - for (i = 0; i < MAX_BT_CHNL_IDS; i++) { + for (i = MAX_BT_CHNL_IDS-1; i >= 0; i--) { err = st_unregister(&ti_st_proto[i]); if (err) BT_ERR("st_unregister(%d) failed with error %d", diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index f6595aba4f0..fa567f1158c 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -43,6 +43,7 @@ config TCG_NSC config TCG_ATMEL tristate "Atmel TPM Interface" + depends on PPC64 || HAS_IOPORT ---help--- If you have a TPM security chip from Atmel say Yes and it will be accessible from within Linux. To compile this driver diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index caf8012ef47..9ca5c021d0b 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -383,6 +383,9 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, u32 count, ordinal; unsigned long stop; + if (bufsiz > TPM_BUFSIZE) + bufsiz = TPM_BUFSIZE; + count = be32_to_cpu(*((__be32 *) (buf + 2))); ordinal = be32_to_cpu(*((__be32 *) (buf + 6))); if (count == 0) @@ -1102,6 +1105,7 @@ ssize_t tpm_read(struct file *file, char __user *buf, { struct tpm_chip *chip = file->private_data; ssize_t ret_size; + int rc; del_singleshot_timer_sync(&chip->user_read_timer); flush_work_sync(&chip->work); @@ -1112,8 +1116,11 @@ ssize_t tpm_read(struct file *file, char __user *buf, ret_size = size; mutex_lock(&chip->buffer_mutex); - if (copy_to_user(buf, chip->data_buffer, ret_size)) + rc = copy_to_user(buf, chip->data_buffer, ret_size); + memset(chip->data_buffer, 0, ret_size); + if (rc) ret_size = -EFAULT; + mutex_unlock(&chip->buffer_mutex); } diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 82facc9104c..4d2464871ad 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -396,8 +396,6 @@ static void __exit cleanup_nsc(void) if (pdev) { tpm_nsc_remove(&pdev->dev); platform_device_unregister(pdev); - kfree(pdev); - pdev = NULL; } platform_driver_unregister(&nsc_drv); diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c index 7b0603eb012..cdc02ac8f41 100644 --- a/drivers/cpufreq/pcc-cpufreq.c +++ b/drivers/cpufreq/pcc-cpufreq.c @@ -261,6 +261,9 @@ static int pcc_get_offset(int cpu) pr = per_cpu(processors, cpu); pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu); + if (!pr) + return -ENODEV; + status = acpi_evaluate_object(pr->handle, "PCCP", NULL, &buffer); if (ACPI_FAILURE(status)) return -ENODEV; diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index cd3a7c726bf..467e4dcb20a 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -174,8 +174,10 @@ struct d40_base; * @tasklet: Tasklet that gets scheduled from interrupt context to complete a * transfer and call client callback. * @client: Cliented owned descriptor list. + * @pending_queue: Submitted jobs, to be issued by issue_pending() * @active: Active descriptor. * @queue: Queued jobs. + * @prepare_queue: Prepared jobs. * @dma_cfg: The client configuration of this dma channel. * @configured: whether the dma_cfg configuration is valid * @base: Pointer to the device instance struct. @@ -203,6 +205,7 @@ struct d40_chan { struct list_head pending_queue; struct list_head active; struct list_head queue; + struct list_head prepare_queue; struct stedma40_chan_cfg dma_cfg; bool configured; struct d40_base *base; @@ -477,7 +480,6 @@ static struct d40_desc *d40_desc_get(struct d40_chan *d40c) list_for_each_entry_safe(d, _d, &d40c->client, node) if (async_tx_test_ack(&d->txd)) { - d40_pool_lli_free(d40c, d); d40_desc_remove(d); desc = d; memset(desc, 0, sizeof(*desc)); @@ -644,8 +646,11 @@ static struct d40_desc *d40_first_active_get(struct d40_chan *d40c) return d; } +/* remove desc from current queue and add it to the pending_queue */ static void d40_desc_queue(struct d40_chan *d40c, struct d40_desc *desc) { + d40_desc_remove(desc); + desc->is_in_client_list = false; list_add_tail(&desc->node, &d40c->pending_queue); } @@ -803,6 +808,7 @@ done: static void d40_term_all(struct d40_chan *d40c) { struct d40_desc *d40d; + struct d40_desc *_d; /* Release active descriptors */ while ((d40d = d40_first_active_get(d40c))) { @@ -822,6 +828,21 @@ static void d40_term_all(struct d40_chan *d40c) d40_desc_free(d40c, d40d); } + /* Release client owned descriptors */ + if (!list_empty(&d40c->client)) + list_for_each_entry_safe(d40d, _d, &d40c->client, node) { + d40_desc_remove(d40d); + d40_desc_free(d40c, d40d); + } + + /* Release descriptors in prepare queue */ + if (!list_empty(&d40c->prepare_queue)) + list_for_each_entry_safe(d40d, _d, + &d40c->prepare_queue, node) { + d40_desc_remove(d40d); + d40_desc_free(d40c, d40d); + } + d40c->pending_tx = 0; d40c->busy = false; } @@ -1208,7 +1229,6 @@ static void dma_tasklet(unsigned long data) if (!d40d->cyclic) { if (async_tx_test_ack(&d40d->txd)) { - d40_pool_lli_free(d40c, d40d); d40_desc_remove(d40d); d40_desc_free(d40c, d40d); } else { @@ -1595,21 +1615,10 @@ static int d40_free_dma(struct d40_chan *d40c) u32 event; struct d40_phy_res *phy = d40c->phy_chan; bool is_src; - struct d40_desc *d; - struct d40_desc *_d; - /* Terminate all queued and active transfers */ d40_term_all(d40c); - /* Release client owned descriptors */ - if (!list_empty(&d40c->client)) - list_for_each_entry_safe(d, _d, &d40c->client, node) { - d40_pool_lli_free(d40c, d); - d40_desc_remove(d); - d40_desc_free(d40c, d); - } - if (phy == NULL) { chan_err(d40c, "phy == null\n"); return -EINVAL; @@ -1911,6 +1920,12 @@ d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src, goto err; } + /* + * add descriptor to the prepare queue in order to be able + * to free them later in terminate_all + */ + list_add_tail(&desc->node, &chan->prepare_queue); + spin_unlock_irqrestore(&chan->lock, flags); return &desc->txd; @@ -2400,6 +2415,7 @@ static void __init d40_chan_init(struct d40_base *base, struct dma_device *dma, INIT_LIST_HEAD(&d40c->queue); INIT_LIST_HEAD(&d40c->pending_queue); INIT_LIST_HEAD(&d40c->client); + INIT_LIST_HEAD(&d40c->prepare_queue); tasklet_init(&d40c->tasklet, dma_tasklet, (unsigned long) d40c); diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 57cd3a406ed..fd7170a9ad2 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -290,6 +290,9 @@ static const struct { {PCI_VENDOR_ID_NEC, PCI_ANY_ID, PCI_ANY_ID, QUIRK_CYCLE_TIMER}, + {PCI_VENDOR_ID_O2, PCI_ANY_ID, PCI_ANY_ID, + QUIRK_NO_MSI}, + {PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID, QUIRK_CYCLE_TIMER}, diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c index 231714def4d..4e24436b0f8 100644 --- a/drivers/gpio/gpio-generic.c +++ b/drivers/gpio/gpio-generic.c @@ -351,7 +351,7 @@ static int bgpio_setup_direction(struct bgpio_chip *bgc, return 0; } -int __devexit bgpio_remove(struct bgpio_chip *bgc) +int bgpio_remove(struct bgpio_chip *bgc) { int err = gpiochip_remove(&bgc->gc); @@ -361,15 +361,10 @@ int __devexit bgpio_remove(struct bgpio_chip *bgc) } EXPORT_SYMBOL_GPL(bgpio_remove); -int __devinit bgpio_init(struct bgpio_chip *bgc, - struct device *dev, - unsigned long sz, - void __iomem *dat, - void __iomem *set, - void __iomem *clr, - void __iomem *dirout, - void __iomem *dirin, - bool big_endian) +int bgpio_init(struct bgpio_chip *bgc, struct device *dev, + unsigned long sz, void __iomem *dat, void __iomem *set, + void __iomem *clr, void __iomem *dirout, void __iomem *dirin, + bool big_endian) { int ret; diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 802b61ac313..f7c6854eb4d 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -256,7 +256,6 @@ int drm_fb_helper_panic(struct notifier_block *n, unsigned long ununsed, { printk(KERN_ERR "panic occurred, switching back to text console\n"); return drm_fb_helper_force_kernel_mode(); - return 0; } EXPORT_SYMBOL(drm_fb_helper_panic); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ce045a8cf82..f07e4252b70 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -67,11 +67,11 @@ module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); MODULE_PARM_DESC(i915_enable_rc6, "Enable power-saving render C-state 6 (default: true)"); -unsigned int i915_enable_fbc __read_mostly = 1; +unsigned int i915_enable_fbc __read_mostly = -1; module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600); MODULE_PARM_DESC(i915_enable_fbc, "Enable frame buffer compression for power savings " - "(default: false)"); + "(default: -1 (use per-chip default))"); unsigned int i915_lvds_downclock __read_mostly = 0; module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 56a8554d903..04411ad2e77 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1799,6 +1799,7 @@ static void intel_update_fbc(struct drm_device *dev) struct drm_framebuffer *fb; struct intel_framebuffer *intel_fb; struct drm_i915_gem_object *obj; + int enable_fbc; DRM_DEBUG_KMS("\n"); @@ -1839,8 +1840,15 @@ static void intel_update_fbc(struct drm_device *dev) intel_fb = to_intel_framebuffer(fb); obj = intel_fb->obj; - if (!i915_enable_fbc) { - DRM_DEBUG_KMS("fbc disabled per module param (default off)\n"); + enable_fbc = i915_enable_fbc; + if (enable_fbc < 0) { + DRM_DEBUG_KMS("fbc set to per-chip default\n"); + enable_fbc = 1; + if (INTEL_INFO(dev)->gen <= 5) + enable_fbc = 0; + } + if (!enable_fbc) { + DRM_DEBUG_KMS("fbc disabled per module param\n"); dev_priv->no_fbc_reason = FBC_MODULE_PARAM; goto out_disable; } @@ -4687,13 +4695,13 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, bpc = 6; /* min is 18bpp */ break; case 24: - bpc = min((unsigned int)8, display_bpc); + bpc = 8; break; case 30: - bpc = min((unsigned int)10, display_bpc); + bpc = 10; break; case 48: - bpc = min((unsigned int)12, display_bpc); + bpc = 12; break; default: DRM_DEBUG("unsupported depth, assuming 24 bits\n"); @@ -4701,10 +4709,12 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, break; } + display_bpc = min(display_bpc, bpc); + DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n", bpc, display_bpc); - *pipe_bpp = bpc * 3; + *pipe_bpp = display_bpc * 3; return display_bpc != bpc; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 0b2ee9d3998..fe1099d8817 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -337,9 +337,6 @@ extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, struct drm_connector *connector, struct intel_load_detect_pipe *old); -extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB); -extern int intel_sdvo_supports_hotplug(struct drm_connector *connector); -extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable); extern void intelfb_restore(void); extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 30fe554d893..6348c499616 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -92,6 +92,11 @@ struct intel_sdvo { */ uint16_t attached_output; + /* + * Hotplug activation bits for this device + */ + uint8_t hotplug_active[2]; + /** * This is used to select the color range of RBG outputs in HDMI mode. * It is only valid when using TMDS encoding and 8 bit per color mode. @@ -1208,74 +1213,20 @@ static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct in return true; } -/* No use! */ -#if 0 -struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB) -{ - struct drm_connector *connector = NULL; - struct intel_sdvo *iout = NULL; - struct intel_sdvo *sdvo; - - /* find the sdvo connector */ - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - iout = to_intel_sdvo(connector); - - if (iout->type != INTEL_OUTPUT_SDVO) - continue; - - sdvo = iout->dev_priv; - - if (sdvo->sdvo_reg == SDVOB && sdvoB) - return connector; - - if (sdvo->sdvo_reg == SDVOC && !sdvoB) - return connector; - - } - - return NULL; -} - -int intel_sdvo_supports_hotplug(struct drm_connector *connector) +static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo) { u8 response[2]; - u8 status; - struct intel_sdvo *intel_sdvo; - DRM_DEBUG_KMS("\n"); - - if (!connector) - return 0; - - intel_sdvo = to_intel_sdvo(connector); return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, &response, 2) && response[0]; } -void intel_sdvo_set_hotplug(struct drm_connector *connector, int on) +static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder) { - u8 response[2]; - u8 status; - struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector); - - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0); - intel_sdvo_read_response(intel_sdvo, &response, 2); - - if (on) { - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0); - status = intel_sdvo_read_response(intel_sdvo, &response, 2); - - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2); - } else { - response[0] = 0; - response[1] = 0; - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2); - } + struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base); - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0); - intel_sdvo_read_response(intel_sdvo, &response, 2); + intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2); } -#endif static bool intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo) @@ -2045,6 +1996,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) { struct drm_encoder *encoder = &intel_sdvo->base.base; struct drm_connector *connector; + struct intel_encoder *intel_encoder = to_intel_encoder(encoder); struct intel_connector *intel_connector; struct intel_sdvo_connector *intel_sdvo_connector; @@ -2062,7 +2014,17 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) intel_connector = &intel_sdvo_connector->base; connector = &intel_connector->base; - connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; + if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) { + connector->polled = DRM_CONNECTOR_POLL_HPD; + intel_sdvo->hotplug_active[0] |= 1 << device; + /* Some SDVO devices have one-shot hotplug interrupts. + * Ensure that they get re-enabled when an interrupt happens. + */ + intel_encoder->hot_plug = intel_sdvo_enable_hotplug; + intel_sdvo_enable_hotplug(intel_encoder); + } + else + connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; encoder->encoder_type = DRM_MODE_ENCODER_TMDS; connector->connector_type = DRM_MODE_CONNECTOR_DVID; @@ -2569,6 +2531,14 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg) if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps)) goto err; + /* Set up hotplug command - note paranoia about contents of reply. + * We assume that the hardware is in a sane state, and only touch + * the bits we think we understand. + */ + intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, + &intel_sdvo->hotplug_active, 2); + intel_sdvo->hotplug_active[0] &= ~0x3; + if (intel_sdvo_output_setup(intel_sdvo, intel_sdvo->caps.output_flags) != true) { DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n", diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 8d02d875376..c919cfc8f2f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -530,7 +530,8 @@ nouveau_fence_channel_init(struct nouveau_channel *chan) nouveau_gpuobj_ref(NULL, &obj); if (ret) return ret; - } else { + } else + if (USE_SEMA(dev)) { /* map fence bo into channel's vm */ ret = nouveau_bo_vma_add(dev_priv->fence.bo, chan->vm, &chan->fence.vma); diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index c444cadbf84..2706cb3d871 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -37,8 +37,11 @@ nouveau_sgdma_populate(struct ttm_backend *be, unsigned long num_pages, return -ENOMEM; nvbe->ttm_alloced = kmalloc(sizeof(bool) * num_pages, GFP_KERNEL); - if (!nvbe->ttm_alloced) + if (!nvbe->ttm_alloced) { + kfree(nvbe->pages); + nvbe->pages = NULL; return -ENOMEM; + } nvbe->nr_pages = 0; while (num_pages--) { @@ -126,7 +129,7 @@ nv04_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem) for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++) { nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 3); - dma_offset += NV_CTXDMA_PAGE_SIZE; + offset_l += NV_CTXDMA_PAGE_SIZE; } } diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c index 118261d4927..5e45398a9e2 100644 --- a/drivers/gpu/drm/nouveau/nv04_crtc.c +++ b/drivers/gpu/drm/nouveau/nv04_crtc.c @@ -781,11 +781,20 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc, struct drm_device *dev = crtc->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index]; - struct drm_framebuffer *drm_fb = nv_crtc->base.fb; - struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); + struct drm_framebuffer *drm_fb; + struct nouveau_framebuffer *fb; int arb_burst, arb_lwm; int ret; + NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); + + /* no fb bound */ + if (!atomic && !crtc->fb) { + NV_DEBUG_KMS(dev, "No FB bound\n"); + return 0; + } + + /* If atomic, we want to switch to the fb we were passed, so * now we update pointers to do that. (We don't pin; just * assume we're already pinned and update the base address.) @@ -794,6 +803,8 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc, drm_fb = passed_fb; fb = nouveau_framebuffer(passed_fb); } else { + drm_fb = crtc->fb; + fb = nouveau_framebuffer(crtc->fb); /* If not atomic, we can go ahead and pin, and unpin the * old fb we were passed. */ diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c index 46ad59ea218..5d989073ba6 100644 --- a/drivers/gpu/drm/nouveau/nv50_crtc.c +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c @@ -519,12 +519,18 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, struct drm_device *dev = nv_crtc->base.dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_channel *evo = nv50_display(dev)->master; - struct drm_framebuffer *drm_fb = nv_crtc->base.fb; - struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); + struct drm_framebuffer *drm_fb; + struct nouveau_framebuffer *fb; int ret; NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); + /* no fb bound */ + if (!atomic && !crtc->fb) { + NV_DEBUG_KMS(dev, "No FB bound\n"); + return 0; + } + /* If atomic, we want to switch to the fb we were passed, so * now we update pointers to do that. (We don't pin; just * assume we're already pinned and update the base address.) @@ -533,6 +539,8 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, drm_fb = passed_fb; fb = nouveau_framebuffer(passed_fb); } else { + drm_fb = crtc->fb; + fb = nouveau_framebuffer(crtc->fb); /* If not atomic, we can go ahead and pin, and unpin the * old fb we were passed. */ diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 7ad43c6b1db..4da23889fea 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -115,6 +115,7 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector, u8 msg[20]; int msg_bytes = send_bytes + 4; u8 ack; + unsigned retry; if (send_bytes > 16) return -1; @@ -125,20 +126,20 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector, msg[3] = (msg_bytes << 4) | (send_bytes - 1); memcpy(&msg[4], send, send_bytes); - while (1) { + for (retry = 0; retry < 4; retry++) { ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus, msg, msg_bytes, NULL, 0, delay, &ack); if (ret < 0) return ret; if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK) - break; + return send_bytes; else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER) udelay(400); else return -EIO; } - return send_bytes; + return -EIO; } static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector, @@ -149,26 +150,29 @@ static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector, int msg_bytes = 4; u8 ack; int ret; + unsigned retry; msg[0] = address; msg[1] = address >> 8; msg[2] = AUX_NATIVE_READ << 4; msg[3] = (msg_bytes << 4) | (recv_bytes - 1); - while (1) { + for (retry = 0; retry < 4; retry++) { ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus, msg, msg_bytes, recv, recv_bytes, delay, &ack); - if (ret == 0) - return -EPROTO; if (ret < 0) return ret; if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK) return ret; else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER) udelay(400); + else if (ret == 0) + return -EPROTO; else return -EIO; } + + return -EIO; } static void radeon_write_dpcd_reg(struct radeon_connector *radeon_connector, diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index dc0a5b56c81..c4ffa14fb2f 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1404,7 +1404,8 @@ int evergreen_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); WREG32(CP_RB_RPTR_WR, 0); - WREG32(CP_RB_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(CP_RB_WPTR, rdev->cp.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB_RPTR_ADDR, @@ -1426,7 +1427,6 @@ int evergreen_cp_resume(struct radeon_device *rdev) WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); rdev->cp.rptr = RREG32(CP_RB_RPTR); - rdev->cp.wptr = RREG32(CP_RB_WPTR); evergreen_cp_start(rdev); rdev->cp.ready = true; @@ -1590,48 +1590,6 @@ static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev, return backend_map; } -static void evergreen_program_channel_remap(struct radeon_device *rdev) -{ - u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp; - - tmp = RREG32(MC_SHARED_CHMAP); - switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { - case 0: - case 1: - case 2: - case 3: - default: - /* default mapping */ - mc_shared_chremap = 0x00fac688; - break; - } - - switch (rdev->family) { - case CHIP_HEMLOCK: - case CHIP_CYPRESS: - case CHIP_BARTS: - tcp_chan_steer_lo = 0x54763210; - tcp_chan_steer_hi = 0x0000ba98; - break; - case CHIP_JUNIPER: - case CHIP_REDWOOD: - case CHIP_CEDAR: - case CHIP_PALM: - case CHIP_SUMO: - case CHIP_SUMO2: - case CHIP_TURKS: - case CHIP_CAICOS: - default: - tcp_chan_steer_lo = 0x76543210; - tcp_chan_steer_hi = 0x0000ba98; - break; - } - - WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo); - WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi); - WREG32(MC_SHARED_CHREMAP, mc_shared_chremap); -} - static void evergreen_gpu_init(struct radeon_device *rdev) { u32 cc_rb_backend_disable = 0; @@ -2078,8 +2036,6 @@ static void evergreen_gpu_init(struct radeon_device *rdev) WREG32(DMIF_ADDR_CONFIG, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); - evergreen_program_channel_remap(rdev); - num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1; grbm_gfx_index = INSTANCE_BROADCAST_WRITES; @@ -3171,21 +3127,23 @@ int evergreen_suspend(struct radeon_device *rdev) } int evergreen_copy_blit(struct radeon_device *rdev, - uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence) + uint64_t src_offset, + uint64_t dst_offset, + unsigned num_gpu_pages, + struct radeon_fence *fence) { int r; mutex_lock(&rdev->r600_blit.mutex); rdev->r600_blit.vb_ib = NULL; - r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE); + r = evergreen_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE); if (r) { if (rdev->r600_blit.vb_ib) radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); mutex_unlock(&rdev->r600_blit.mutex); return r; } - evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE); + evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE); evergreen_blit_done_copy(rdev, fence); mutex_unlock(&rdev->r600_blit.mutex); return 0; diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index cbf57d75d92..8c79ca97753 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -569,36 +569,6 @@ static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev, return backend_map; } -static void cayman_program_channel_remap(struct radeon_device *rdev) -{ - u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp; - - tmp = RREG32(MC_SHARED_CHMAP); - switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { - case 0: - case 1: - case 2: - case 3: - default: - /* default mapping */ - mc_shared_chremap = 0x00fac688; - break; - } - - switch (rdev->family) { - case CHIP_CAYMAN: - default: - //tcp_chan_steer_lo = 0x54763210 - tcp_chan_steer_lo = 0x76543210; - tcp_chan_steer_hi = 0x0000ba98; - break; - } - - WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo); - WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi); - WREG32(MC_SHARED_CHREMAP, mc_shared_chremap); -} - static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev, u32 disable_mask_per_se, u32 max_disable_mask_per_se, @@ -842,8 +812,6 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(DMIF_ADDR_CONFIG, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); - cayman_program_channel_remap(rdev); - /* primary versions */ WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable); WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable); @@ -1187,7 +1155,8 @@ int cayman_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA); - WREG32(CP_RB0_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(CP_RB0_WPTR, rdev->cp.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC); @@ -1207,7 +1176,6 @@ int cayman_cp_resume(struct radeon_device *rdev) WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8); rdev->cp.rptr = RREG32(CP_RB0_RPTR); - rdev->cp.wptr = RREG32(CP_RB0_WPTR); /* ring1 - compute only */ /* Set ring buffer size */ @@ -1220,7 +1188,8 @@ int cayman_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA); - WREG32(CP_RB1_WPTR, 0); + rdev->cp1.wptr = 0; + WREG32(CP_RB1_WPTR, rdev->cp1.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC); @@ -1232,7 +1201,6 @@ int cayman_cp_resume(struct radeon_device *rdev) WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8); rdev->cp1.rptr = RREG32(CP_RB1_RPTR); - rdev->cp1.wptr = RREG32(CP_RB1_WPTR); /* ring2 - compute only */ /* Set ring buffer size */ @@ -1245,7 +1213,8 @@ int cayman_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA); - WREG32(CP_RB2_WPTR, 0); + rdev->cp2.wptr = 0; + WREG32(CP_RB2_WPTR, rdev->cp2.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC); @@ -1257,7 +1226,6 @@ int cayman_cp_resume(struct radeon_device *rdev) WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8); rdev->cp2.rptr = RREG32(CP_RB2_RPTR); - rdev->cp2.wptr = RREG32(CP_RB2_WPTR); /* start the rings */ cayman_cp_start(rdev); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index f2204cb1ccd..7fcdbbbf297 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -721,11 +721,11 @@ void r100_fence_ring_emit(struct radeon_device *rdev, int r100_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence) { uint32_t cur_pages; - uint32_t stride_bytes = PAGE_SIZE; + uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE; uint32_t pitch; uint32_t stride_pixels; unsigned ndw; @@ -737,7 +737,7 @@ int r100_copy_blit(struct radeon_device *rdev, /* radeon pitch is /64 */ pitch = stride_bytes / 64; stride_pixels = stride_bytes / 4; - num_loops = DIV_ROUND_UP(num_pages, 8191); + num_loops = DIV_ROUND_UP(num_gpu_pages, 8191); /* Ask for enough room for blit + flush + fence */ ndw = 64 + (10 * num_loops); @@ -746,12 +746,12 @@ int r100_copy_blit(struct radeon_device *rdev, DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw); return -EINVAL; } - while (num_pages > 0) { - cur_pages = num_pages; + while (num_gpu_pages > 0) { + cur_pages = num_gpu_pages; if (cur_pages > 8191) { cur_pages = 8191; } - num_pages -= cur_pages; + num_gpu_pages -= cur_pages; /* pages are in Y direction - height page width in X direction - width */ @@ -773,8 +773,8 @@ int r100_copy_blit(struct radeon_device *rdev, radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16)); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16)); - radeon_ring_write(rdev, num_pages); - radeon_ring_write(rdev, num_pages); + radeon_ring_write(rdev, num_gpu_pages); + radeon_ring_write(rdev, num_gpu_pages); radeon_ring_write(rdev, cur_pages | (stride_pixels << 16)); } radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0)); @@ -990,7 +990,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) /* Force read & write ptr to 0 */ WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE); WREG32(RADEON_CP_RB_RPTR_WR, 0); - WREG32(RADEON_CP_RB_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr); /* set the wb address whether it's enabled or not */ WREG32(R_00070C_CP_RB_RPTR_ADDR, @@ -1007,9 +1008,6 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) WREG32(RADEON_CP_RB_CNTL, tmp); udelay(10); rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); - rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR); - /* protect against crazy HW on resume */ - rdev->cp.wptr &= rdev->cp.ptr_mask; /* Set cp mode to bus mastering & enable cp*/ WREG32(RADEON_CP_CSQ_MODE, REG_SET(RADEON_INDIRECT2_START, indirect2_start) | diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c index f2405830041..a1f3ba063c2 100644 --- a/drivers/gpu/drm/radeon/r200.c +++ b/drivers/gpu/drm/radeon/r200.c @@ -84,7 +84,7 @@ static int r200_get_vtx_size_0(uint32_t vtx_fmt_0) int r200_copy_dma(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence) { uint32_t size; @@ -93,7 +93,7 @@ int r200_copy_dma(struct radeon_device *rdev, int r = 0; /* radeon pitch is /64 */ - size = num_pages << PAGE_SHIFT; + size = num_gpu_pages << RADEON_GPU_PAGE_SHIFT; num_loops = DIV_ROUND_UP(size, 0x1FFFFF); r = radeon_ring_lock(rdev, num_loops * 4 + 64); if (r) { diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index aa5571b73aa..720dd99163f 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2209,7 +2209,8 @@ int r600_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); WREG32(CP_RB_RPTR_WR, 0); - WREG32(CP_RB_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(CP_RB_WPTR, rdev->cp.wptr); /* set the wb address whether it's enabled or not */ WREG32(CP_RB_RPTR_ADDR, @@ -2231,7 +2232,6 @@ int r600_cp_resume(struct radeon_device *rdev) WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); rdev->cp.rptr = RREG32(CP_RB_RPTR); - rdev->cp.wptr = RREG32(CP_RB_WPTR); r600_cp_start(rdev); rdev->cp.ready = true; @@ -2353,21 +2353,23 @@ void r600_fence_ring_emit(struct radeon_device *rdev, } int r600_copy_blit(struct radeon_device *rdev, - uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence) + uint64_t src_offset, + uint64_t dst_offset, + unsigned num_gpu_pages, + struct radeon_fence *fence) { int r; mutex_lock(&rdev->r600_blit.mutex); rdev->r600_blit.vb_ib = NULL; - r = r600_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE); + r = r600_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE); if (r) { if (rdev->r600_blit.vb_ib) radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); mutex_unlock(&rdev->r600_blit.mutex); return r; } - r600_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE); + r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE); r600_blit_done_copy(rdev, fence); mutex_unlock(&rdev->r600_blit.mutex); return 0; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 32807baf55e..c1e056b35b2 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -322,6 +322,7 @@ union radeon_gart_table { #define RADEON_GPU_PAGE_SIZE 4096 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1) +#define RADEON_GPU_PAGE_SHIFT 12 struct radeon_gart { dma_addr_t table_addr; @@ -914,17 +915,17 @@ struct radeon_asic { int (*copy_blit)(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); int (*copy_dma)(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); int (*copy)(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); uint32_t (*get_engine_clock)(struct radeon_device *rdev); void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock); diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 3d7a0d7c6a9..3dedaa07aac 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -75,7 +75,7 @@ uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg); int r100_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); int r100_set_surface_reg(struct radeon_device *rdev, int reg, uint32_t tiling_flags, uint32_t pitch, @@ -143,7 +143,7 @@ extern void r100_post_page_flip(struct radeon_device *rdev, int crtc); extern int r200_copy_dma(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); void r200_set_safe_registers(struct radeon_device *rdev); @@ -311,7 +311,7 @@ void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib); int r600_ring_test(struct radeon_device *rdev); int r600_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence); + unsigned num_gpu_pages, struct radeon_fence *fence); void r600_hpd_init(struct radeon_device *rdev); void r600_hpd_fini(struct radeon_device *rdev); bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd); @@ -403,7 +403,7 @@ void evergreen_bandwidth_update(struct radeon_device *rdev); void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib); int evergreen_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence); + unsigned num_gpu_pages, struct radeon_fence *fence); void evergreen_hpd_init(struct radeon_device *rdev); void evergreen_hpd_fini(struct radeon_device *rdev); bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 4f0c1ecac72..bce63fd329d 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -68,11 +68,11 @@ void radeon_connector_hotplug(struct drm_connector *connector) if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { int saved_dpms = connector->dpms; - if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) && - radeon_dp_needs_link_train(radeon_connector)) - drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); - else + /* Only turn off the display it it's physically disconnected */ + if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + else if (radeon_dp_needs_link_train(radeon_connector)) + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); connector->dpms = saved_dpms; } } @@ -1297,12 +1297,33 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (!radeon_dig_connector->edp_on) atombios_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_OFF); - } else { - /* need to setup ddc on the bridge */ - if (radeon_connector_encoder_is_dp_bridge(connector)) { + } else if (radeon_connector_encoder_is_dp_bridge(connector)) { + /* DP bridges are always DP */ + radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; + /* get the DPCD from the bridge */ + radeon_dp_getdpcd(radeon_connector); + + if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) + ret = connector_status_connected; + else { + /* need to setup ddc on the bridge */ if (encoder) radeon_atom_ext_encoder_setup_ddc(encoder); + if (radeon_ddc_probe(radeon_connector, + radeon_connector->requires_extended_probe)) + ret = connector_status_connected; } + + if ((ret == connector_status_disconnected) && + radeon_connector->dac_load_detect) { + struct drm_encoder *encoder = radeon_best_single_encoder(connector); + struct drm_encoder_helper_funcs *encoder_funcs; + if (encoder) { + encoder_funcs = encoder->helper_private; + ret = encoder_funcs->detect(encoder, connector); + } + } + } else { radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { ret = connector_status_connected; @@ -1318,16 +1339,6 @@ radeon_dp_detect(struct drm_connector *connector, bool force) ret = connector_status_connected; } } - - if ((ret == connector_status_disconnected) && - radeon_connector->dac_load_detect) { - struct drm_encoder *encoder = radeon_best_single_encoder(connector); - struct drm_encoder_helper_funcs *encoder_funcs; - if (encoder) { - encoder_funcs = encoder->helper_private; - ret = encoder_funcs->detect(encoder, connector); - } - } } radeon_connector_update_scratch_regs(connector, ret); diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c index 3189a7efb2e..fde25c0d65a 100644 --- a/drivers/gpu/drm/radeon/radeon_cursor.c +++ b/drivers/gpu/drm/radeon/radeon_cursor.c @@ -208,23 +208,25 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc, int xorigin = 0, yorigin = 0; int w = radeon_crtc->cursor_width; - if (x < 0) - xorigin = -x + 1; - if (y < 0) - yorigin = -y + 1; - if (xorigin >= CURSOR_WIDTH) - xorigin = CURSOR_WIDTH - 1; - if (yorigin >= CURSOR_HEIGHT) - yorigin = CURSOR_HEIGHT - 1; - if (ASIC_IS_AVIVO(rdev)) { - int i = 0; - struct drm_crtc *crtc_p; - /* avivo cursor are offset into the total surface */ x += crtc->x; y += crtc->y; - DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); + } + DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); + + if (x < 0) { + xorigin = min(-x, CURSOR_WIDTH - 1); + x = 0; + } + if (y < 0) { + yorigin = min(-y, CURSOR_HEIGHT - 1); + y = 0; + } + + if (ASIC_IS_AVIVO(rdev)) { + int i = 0; + struct drm_crtc *crtc_p; /* avivo cursor image can't end on 128 pixel boundary or * go past the end of the frame if both crtcs are enabled @@ -253,16 +255,12 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc, radeon_lock_cursor(crtc, true); if (ASIC_IS_DCE4(rdev)) { - WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, - ((xorigin ? 0 : x) << 16) | - (yorigin ? 0 : y)); + WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y); WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin); WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset, ((w - 1) << 16) | (radeon_crtc->cursor_height - 1)); } else if (ASIC_IS_AVIVO(rdev)) { - WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, - ((xorigin ? 0 : x) << 16) | - (yorigin ? 0 : y)); + WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y); WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin); WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset, ((w - 1) << 16) | (radeon_crtc->cursor_height - 1)); @@ -276,8 +274,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc, | yorigin)); WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset, (RADEON_CUR_LOCK - | ((xorigin ? 0 : x) << 16) - | (yorigin ? 0 : y))); + | (x << 16) + | y)); /* offset is from DISP(2)_BASE_ADDRESS */ WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset + (yorigin * 256))); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 1a858944e4f..6adb3e58aff 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -473,8 +473,8 @@ pflip_cleanup: spin_lock_irqsave(&dev->event_lock, flags); radeon_crtc->unpin_work = NULL; unlock_free: - drm_gem_object_unreference_unlocked(old_radeon_fb->obj); spin_unlock_irqrestore(&dev->event_lock, flags); + drm_gem_object_unreference_unlocked(old_radeon_fb->obj); radeon_fence_unref(&work->fence); kfree(work); @@ -707,16 +707,21 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) radeon_router_select_ddc_port(radeon_connector); if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || - (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) || + radeon_connector_encoder_is_dp_bridge(&radeon_connector->base)) { struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus) - radeon_connector->edid = drm_get_edid(&radeon_connector->base, &dig->dp_i2c_bus->adapter); - } - if (!radeon_connector->ddc_bus) - return -1; - if (!radeon_connector->edid) { - radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &dig->dp_i2c_bus->adapter); + else if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); + } else { + if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); } if (!radeon_connector->edid) { diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 319d85d7e75..13690f3eb4a 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1507,7 +1507,14 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) switch (mode) { case DRM_MODE_DPMS_ON: args.ucAction = ATOM_ENABLE; - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + /* workaround for DVOOutputControl on some RS690 systems */ + if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DDI) { + u32 reg = RREG32(RADEON_BIOS_3_SCRATCH); + WREG32(RADEON_BIOS_3_SCRATCH, reg & ~ATOM_S3_DFP2I_ACTIVE); + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + WREG32(RADEON_BIOS_3_SCRATCH, reg); + } else + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { args.ucAction = ATOM_LCD_BLON; atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 9b86fb0e412..0b5468bfaf5 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -277,7 +277,12 @@ static int radeon_move_blit(struct ttm_buffer_object *bo, DRM_ERROR("Trying to move memory with CP turned off.\n"); return -EINVAL; } - r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages, fence); + + BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0); + + r = radeon_copy(rdev, old_start, new_start, + new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */ + fence); /* FIXME: handle copy error */ r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL, evict, no_wait_reserve, no_wait_gpu, new_mem); diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 4720d000d44..b13c2eedc32 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -536,55 +536,6 @@ static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev, return backend_map; } -static void rv770_program_channel_remap(struct radeon_device *rdev) -{ - u32 tcp_chan_steer, mc_shared_chremap, tmp; - bool force_no_swizzle; - - switch (rdev->family) { - case CHIP_RV770: - case CHIP_RV730: - force_no_swizzle = false; - break; - case CHIP_RV710: - case CHIP_RV740: - default: - force_no_swizzle = true; - break; - } - - tmp = RREG32(MC_SHARED_CHMAP); - switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { - case 0: - case 1: - default: - /* default mapping */ - mc_shared_chremap = 0x00fac688; - break; - case 2: - case 3: - if (force_no_swizzle) - mc_shared_chremap = 0x00fac688; - else - mc_shared_chremap = 0x00bbc298; - break; - } - - if (rdev->family == CHIP_RV740) - tcp_chan_steer = 0x00ef2a60; - else - tcp_chan_steer = 0x00fac688; - - /* RV770 CE has special chremap setup */ - if (rdev->pdev->device == 0x944e) { - tcp_chan_steer = 0x00b08b08; - mc_shared_chremap = 0x00b08b08; - } - - WREG32(TCP_CHAN_STEER, tcp_chan_steer); - WREG32(MC_SHARED_CHREMAP, mc_shared_chremap); -} - static void rv770_gpu_init(struct radeon_device *rdev) { int i, j, num_qd_pipes; @@ -785,8 +736,6 @@ static void rv770_gpu_init(struct radeon_device *rdev) WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff)); WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff)); - rv770_program_channel_remap(rdev); - WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable); WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a4d38d85909..ef06194c5aa 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -394,7 +394,8 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) { if (bo->ttm == NULL) { - ret = ttm_bo_add_ttm(bo, false); + bool zero = !(old_man->flags & TTM_MEMTYPE_FLAG_FIXED); + ret = ttm_bo_add_ttm(bo, zero); if (ret) goto out_err; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 7d27d2b0445..7484e1b6724 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -277,6 +277,7 @@ #define USB_DEVICE_ID_PENPOWER 0x00f4 #define USB_VENDOR_ID_GREENASIA 0x0e8f +#define USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD 0x3013 #define USB_VENDOR_ID_GRETAGMACBETH 0x0971 #define USB_DEVICE_ID_GRETAGMACBETH_HUEY 0x2005 diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 0ec91c18a42..f0fbd7bd239 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -81,6 +81,28 @@ MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state fie #define NO_TOUCHES -1 #define SINGLE_TOUCH_UP -2 +/* Touch surface information. Dimension is in hundredths of a mm, min and max + * are in units. */ +#define MOUSE_DIMENSION_X (float)9056 +#define MOUSE_MIN_X -1100 +#define MOUSE_MAX_X 1258 +#define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100)) +#define MOUSE_DIMENSION_Y (float)5152 +#define MOUSE_MIN_Y -1589 +#define MOUSE_MAX_Y 2047 +#define MOUSE_RES_Y ((MOUSE_MAX_Y - MOUSE_MIN_Y) / (MOUSE_DIMENSION_Y / 100)) + +#define TRACKPAD_DIMENSION_X (float)13000 +#define TRACKPAD_MIN_X -2909 +#define TRACKPAD_MAX_X 3167 +#define TRACKPAD_RES_X \ + ((TRACKPAD_MAX_X - TRACKPAD_MIN_X) / (TRACKPAD_DIMENSION_X / 100)) +#define TRACKPAD_DIMENSION_Y (float)11000 +#define TRACKPAD_MIN_Y -2456 +#define TRACKPAD_MAX_Y 2565 +#define TRACKPAD_RES_Y \ + ((TRACKPAD_MAX_Y - TRACKPAD_MIN_Y) / (TRACKPAD_DIMENSION_Y / 100)) + /** * struct magicmouse_sc - Tracks Magic Mouse-specific data. * @input: Input device through which we report events. @@ -406,17 +428,31 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h * inverse of the reported Y. */ if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { - input_set_abs_params(input, ABS_MT_POSITION_X, -1100, - 1358, 4, 0); - input_set_abs_params(input, ABS_MT_POSITION_Y, -1589, - 2047, 4, 0); + input_set_abs_params(input, ABS_MT_POSITION_X, + MOUSE_MIN_X, MOUSE_MAX_X, 4, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, + MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0); + + input_abs_set_res(input, ABS_MT_POSITION_X, + MOUSE_RES_X); + input_abs_set_res(input, ABS_MT_POSITION_Y, + MOUSE_RES_Y); } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ - input_set_abs_params(input, ABS_X, -2909, 3167, 4, 0); - input_set_abs_params(input, ABS_Y, -2456, 2565, 4, 0); - input_set_abs_params(input, ABS_MT_POSITION_X, -2909, - 3167, 4, 0); - input_set_abs_params(input, ABS_MT_POSITION_Y, -2456, - 2565, 4, 0); + input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X, + TRACKPAD_MAX_X, 4, 0); + input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y, + TRACKPAD_MAX_Y, 4, 0); + input_set_abs_params(input, ABS_MT_POSITION_X, + TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, + TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0); + + input_abs_set_res(input, ABS_X, TRACKPAD_RES_X); + input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y); + input_abs_set_res(input, ABS_MT_POSITION_X, + TRACKPAD_RES_X); + input_abs_set_res(input, ABS_MT_POSITION_Y, + TRACKPAD_RES_Y); } input_set_events_per_packet(input, 60); @@ -501,9 +537,17 @@ static int magicmouse_probe(struct hid_device *hdev, } report->size = 6; + /* + * Some devices repond with 'invalid report id' when feature + * report switching it into multitouch mode is sent to it. + * + * This results in -EIO from the _raw low-level transport callback, + * but there seems to be no other way of switching the mode. + * Thus the super-ugly hacky success check below. + */ ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature), HID_FEATURE_REPORT); - if (ret != sizeof(feature)) { + if (ret != -EIO && ret != sizeof(feature)) { hid_err(hdev, "unable to request touch data (%d)\n", ret); goto err_stop_hw; } diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index 06888323828..72ca689b647 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -353,11 +353,7 @@ static int wacom_probe(struct hid_device *hdev, if (ret) { hid_warn(hdev, "can't create sysfs battery attribute, err: %d\n", ret); - /* - * battery attribute is not critical for the tablet, but if it - * failed then there is no need to create ac attribute - */ - goto move_on; + goto err_battery; } wdata->ac.properties = wacom_ac_props; @@ -371,18 +367,14 @@ static int wacom_probe(struct hid_device *hdev, if (ret) { hid_warn(hdev, "can't create ac battery attribute, err: %d\n", ret); - /* - * ac attribute is not critical for the tablet, but if it - * failed then we don't want to battery attribute to exist - */ - power_supply_unregister(&wdata->battery); + goto err_ac; } - -move_on: #endif hidinput = list_entry(hdev->inputs.next, struct hid_input, list); input = hidinput->input; + __set_bit(INPUT_PROP_POINTER, input->propbit); + /* Basics */ input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL); @@ -416,6 +408,13 @@ move_on: return 0; +#ifdef CONFIG_HID_WACOM_POWER_SUPPLY +err_ac: + power_supply_unregister(&wdata->battery); +err_battery: + device_remove_file(&hdev->dev, &dev_attr_speed); + hid_hw_stop(hdev); +#endif err_free: kfree(wdata); return ret; @@ -426,6 +425,7 @@ static void wacom_remove(struct hid_device *hdev) #ifdef CONFIG_HID_WACOM_POWER_SUPPLY struct wacom_data *wdata = hid_get_drvdata(hdev); #endif + device_remove_file(&hdev->dev, &dev_attr_speed); hid_hw_stop(hdev); #ifdef CONFIG_HID_WACOM_POWER_SUPPLY diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 4bdb5d46c52..3146fdcda27 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -47,6 +47,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, { USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 59d83e83da7..93238378664 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -36,17 +36,25 @@ #include <linux/cpu.h> #include <linux/pci.h> #include <linux/smp.h> +#include <linux/moduleparam.h> #include <asm/msr.h> #include <asm/processor.h> #define DRVNAME "coretemp" +/* + * force_tjmax only matters when TjMax can't be read from the CPU itself. + * When set, it replaces the driver's suboptimal heuristic. + */ +static int force_tjmax; +module_param_named(tjmax, force_tjmax, int, 0444); +MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius"); + #define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */ #define NUM_REAL_CORES 16 /* Number of Real cores per cpu */ #define CORETEMP_NAME_LENGTH 17 /* String Length of attrs */ #define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */ -#define MAX_THRESH_ATTRS 3 /* Maximum no of Threshold attrs */ -#define TOTAL_ATTRS (MAX_CORE_ATTRS + MAX_THRESH_ATTRS) +#define TOTAL_ATTRS (MAX_CORE_ATTRS + 1) #define MAX_CORE_DATA (NUM_REAL_CORES + BASE_SYSFS_ATTR_NO) #ifdef CONFIG_SMP @@ -69,8 +77,6 @@ * This value is passed as "id" field to rdmsr/wrmsr functions. * @status_reg: One of IA32_THERM_STATUS or IA32_PACKAGE_THERM_STATUS, * from where the temperature values should be read. - * @intrpt_reg: One of IA32_THERM_INTERRUPT or IA32_PACKAGE_THERM_INTERRUPT, - * from where the thresholds are read. * @attr_size: Total number of pre-core attrs displayed in the sysfs. * @is_pkg_data: If this is 1, the temp_data holds pkgtemp data. * Otherwise, temp_data holds coretemp data. @@ -79,13 +85,11 @@ struct temp_data { int temp; int ttarget; - int tmin; int tjmax; unsigned long last_updated; unsigned int cpu; u32 cpu_core_id; u32 status_reg; - u32 intrpt_reg; int attr_size; bool is_pkg_data; bool valid; @@ -143,19 +147,6 @@ static ssize_t show_crit_alarm(struct device *dev, return sprintf(buf, "%d\n", (eax >> 5) & 1); } -static ssize_t show_max_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - u32 eax, edx; - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct platform_data *pdata = dev_get_drvdata(dev); - struct temp_data *tdata = pdata->core_data[attr->index]; - - rdmsr_on_cpu(tdata->cpu, tdata->status_reg, &eax, &edx); - - return sprintf(buf, "%d\n", !!(eax & THERM_STATUS_THRESHOLD1)); -} - static ssize_t show_tjmax(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -174,83 +165,6 @@ static ssize_t show_ttarget(struct device *dev, return sprintf(buf, "%d\n", pdata->core_data[attr->index]->ttarget); } -static ssize_t store_ttarget(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct platform_data *pdata = dev_get_drvdata(dev); - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct temp_data *tdata = pdata->core_data[attr->index]; - u32 eax, edx; - unsigned long val; - int diff; - - if (strict_strtoul(buf, 10, &val)) - return -EINVAL; - - /* - * THERM_MASK_THRESHOLD1 is 7 bits wide. Values are entered in terms - * of milli degree celsius. Hence don't accept val > (127 * 1000) - */ - if (val > tdata->tjmax || val > 127000) - return -EINVAL; - - diff = (tdata->tjmax - val) / 1000; - - mutex_lock(&tdata->update_lock); - rdmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, &eax, &edx); - eax = (eax & ~THERM_MASK_THRESHOLD1) | - (diff << THERM_SHIFT_THRESHOLD1); - wrmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, eax, edx); - tdata->ttarget = val; - mutex_unlock(&tdata->update_lock); - - return count; -} - -static ssize_t show_tmin(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct platform_data *pdata = dev_get_drvdata(dev); - - return sprintf(buf, "%d\n", pdata->core_data[attr->index]->tmin); -} - -static ssize_t store_tmin(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct platform_data *pdata = dev_get_drvdata(dev); - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct temp_data *tdata = pdata->core_data[attr->index]; - u32 eax, edx; - unsigned long val; - int diff; - - if (strict_strtoul(buf, 10, &val)) - return -EINVAL; - - /* - * THERM_MASK_THRESHOLD0 is 7 bits wide. Values are entered in terms - * of milli degree celsius. Hence don't accept val > (127 * 1000) - */ - if (val > tdata->tjmax || val > 127000) - return -EINVAL; - - diff = (tdata->tjmax - val) / 1000; - - mutex_lock(&tdata->update_lock); - rdmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, &eax, &edx); - eax = (eax & ~THERM_MASK_THRESHOLD0) | - (diff << THERM_SHIFT_THRESHOLD0); - wrmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, eax, edx); - tdata->tmin = val; - mutex_unlock(&tdata->update_lock); - - return count; -} - static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -374,7 +288,6 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) { - /* The 100C is default for both mobile and non mobile CPUs */ int err; u32 eax, edx; u32 val; @@ -385,7 +298,8 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) */ err = rdmsr_safe_on_cpu(id, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); if (err) { - dev_warn(dev, "Unable to read TjMax from CPU.\n"); + if (c->x86_model > 0xe && c->x86_model != 0x1c) + dev_warn(dev, "Unable to read TjMax from CPU %u\n", id); } else { val = (eax >> 16) & 0xff; /* @@ -393,11 +307,17 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) * will be used */ if (val) { - dev_info(dev, "TjMax is %d C.\n", val); + dev_dbg(dev, "TjMax is %d degrees C\n", val); return val * 1000; } } + if (force_tjmax) { + dev_notice(dev, "TjMax forced to %d degrees C by user\n", + force_tjmax); + return force_tjmax * 1000; + } + /* * An assumption is made for early CPUs and unreadable MSR. * NOTE: the calculated value may not be correct. @@ -414,21 +334,6 @@ static void __devinit get_ucode_rev_on_cpu(void *edx) rdmsr(MSR_IA32_UCODE_REV, eax, *(u32 *)edx); } -static int get_pkg_tjmax(unsigned int cpu, struct device *dev) -{ - int err; - u32 eax, edx, val; - - err = rdmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); - if (!err) { - val = (eax >> 16) & 0xff; - if (val) - return val * 1000; - } - dev_warn(dev, "Unable to read Pkg-TjMax from CPU:%u\n", cpu); - return 100000; /* Default TjMax: 100 degree celsius */ -} - static int create_name_attr(struct platform_data *pdata, struct device *dev) { sysfs_attr_init(&pdata->name_attr.attr); @@ -442,19 +347,14 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev, int attr_no) { int err, i; - static ssize_t (*rd_ptr[TOTAL_ATTRS]) (struct device *dev, + static ssize_t (*const rd_ptr[TOTAL_ATTRS]) (struct device *dev, struct device_attribute *devattr, char *buf) = { show_label, show_crit_alarm, show_temp, show_tjmax, - show_max_alarm, show_ttarget, show_tmin }; - static ssize_t (*rw_ptr[TOTAL_ATTRS]) (struct device *dev, - struct device_attribute *devattr, const char *buf, - size_t count) = { NULL, NULL, NULL, NULL, NULL, - store_ttarget, store_tmin }; - static const char *names[TOTAL_ATTRS] = { + show_ttarget }; + static const char *const names[TOTAL_ATTRS] = { "temp%d_label", "temp%d_crit_alarm", "temp%d_input", "temp%d_crit", - "temp%d_max_alarm", "temp%d_max", - "temp%d_max_hyst" }; + "temp%d_max" }; for (i = 0; i < tdata->attr_size; i++) { snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH, names[i], @@ -462,10 +362,6 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev, sysfs_attr_init(&tdata->sd_attrs[i].dev_attr.attr); tdata->sd_attrs[i].dev_attr.attr.name = tdata->attr_name[i]; tdata->sd_attrs[i].dev_attr.attr.mode = S_IRUGO; - if (rw_ptr[i]) { - tdata->sd_attrs[i].dev_attr.attr.mode |= S_IWUSR; - tdata->sd_attrs[i].dev_attr.store = rw_ptr[i]; - } tdata->sd_attrs[i].dev_attr.show = rd_ptr[i]; tdata->sd_attrs[i].index = attr_no; err = device_create_file(dev, &tdata->sd_attrs[i].dev_attr); @@ -481,9 +377,9 @@ exit_free: } -static int __devinit chk_ucode_version(struct platform_device *pdev) +static int __cpuinit chk_ucode_version(unsigned int cpu) { - struct cpuinfo_x86 *c = &cpu_data(pdev->id); + struct cpuinfo_x86 *c = &cpu_data(cpu); int err; u32 edx; @@ -494,17 +390,15 @@ static int __devinit chk_ucode_version(struct platform_device *pdev) */ if (c->x86_model == 0xe && c->x86_mask < 0xc) { /* check for microcode update */ - err = smp_call_function_single(pdev->id, get_ucode_rev_on_cpu, + err = smp_call_function_single(cpu, get_ucode_rev_on_cpu, &edx, 1); if (err) { - dev_err(&pdev->dev, - "Cannot determine microcode revision of " - "CPU#%u (%d)!\n", pdev->id, err); + pr_err("Cannot determine microcode revision of " + "CPU#%u (%d)!\n", cpu, err); return -ENODEV; } else if (edx < 0x39) { - dev_err(&pdev->dev, - "Errata AE18 not fixed, update BIOS or " - "microcode of the CPU!\n"); + pr_err("Errata AE18 not fixed, update BIOS or " + "microcode of the CPU!\n"); return -ENODEV; } } @@ -538,8 +432,6 @@ static struct temp_data *init_temp_data(unsigned int cpu, int pkg_flag) tdata->status_reg = pkg_flag ? MSR_IA32_PACKAGE_THERM_STATUS : MSR_IA32_THERM_STATUS; - tdata->intrpt_reg = pkg_flag ? MSR_IA32_PACKAGE_THERM_INTERRUPT : - MSR_IA32_THERM_INTERRUPT; tdata->is_pkg_data = pkg_flag; tdata->cpu = cpu; tdata->cpu_core_id = TO_CORE_ID(cpu); @@ -548,11 +440,11 @@ static struct temp_data *init_temp_data(unsigned int cpu, int pkg_flag) return tdata; } -static int create_core_data(struct platform_data *pdata, - struct platform_device *pdev, +static int create_core_data(struct platform_device *pdev, unsigned int cpu, int pkg_flag) { struct temp_data *tdata; + struct platform_data *pdata = platform_get_drvdata(pdev); struct cpuinfo_x86 *c = &cpu_data(cpu); u32 eax, edx; int err, attr_no; @@ -588,20 +480,21 @@ static int create_core_data(struct platform_data *pdata, goto exit_free; /* We can access status register. Get Critical Temperature */ - if (pkg_flag) - tdata->tjmax = get_pkg_tjmax(pdev->id, &pdev->dev); - else - tdata->tjmax = get_tjmax(c, cpu, &pdev->dev); + tdata->tjmax = get_tjmax(c, cpu, &pdev->dev); /* - * Test if we can access the intrpt register. If so, increase the - * 'size' enough to have ttarget/tmin/max_alarm interfaces. - * Initialize ttarget with bits 16:22 of MSR_IA32_THERM_INTERRUPT + * Read the still undocumented bits 8:15 of IA32_TEMPERATURE_TARGET. + * The target temperature is available on older CPUs but not in this + * register. Atoms don't have the register at all. */ - err = rdmsr_safe_on_cpu(cpu, tdata->intrpt_reg, &eax, &edx); - if (!err) { - tdata->attr_size += MAX_THRESH_ATTRS; - tdata->ttarget = tdata->tjmax - ((eax >> 16) & 0x7f) * 1000; + if (c->x86_model > 0xe && c->x86_model != 0x1c) { + err = rdmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, + &eax, &edx); + if (!err) { + tdata->ttarget + = tdata->tjmax - ((eax >> 8) & 0xff) * 1000; + tdata->attr_size++; + } } pdata->core_data[attr_no] = tdata; @@ -613,22 +506,20 @@ static int create_core_data(struct platform_data *pdata, return 0; exit_free: + pdata->core_data[attr_no] = NULL; kfree(tdata); return err; } static void coretemp_add_core(unsigned int cpu, int pkg_flag) { - struct platform_data *pdata; struct platform_device *pdev = coretemp_get_pdev(cpu); int err; if (!pdev) return; - pdata = platform_get_drvdata(pdev); - - err = create_core_data(pdata, pdev, cpu, pkg_flag); + err = create_core_data(pdev, cpu, pkg_flag); if (err) dev_err(&pdev->dev, "Adding Core %u failed\n", cpu); } @@ -652,11 +543,6 @@ static int __devinit coretemp_probe(struct platform_device *pdev) struct platform_data *pdata; int err; - /* Check the microcode version of the CPU */ - err = chk_ucode_version(pdev); - if (err) - return err; - /* Initialize the per-package data structures */ pdata = kzalloc(sizeof(struct platform_data), GFP_KERNEL); if (!pdata) @@ -666,7 +552,7 @@ static int __devinit coretemp_probe(struct platform_device *pdev) if (err) goto exit_free; - pdata->phys_proc_id = TO_PHYS_ID(pdev->id); + pdata->phys_proc_id = pdev->id; platform_set_drvdata(pdev, pdata); pdata->hwmon_dev = hwmon_device_register(&pdev->dev); @@ -718,7 +604,7 @@ static int __cpuinit coretemp_device_add(unsigned int cpu) mutex_lock(&pdev_list_mutex); - pdev = platform_device_alloc(DRVNAME, cpu); + pdev = platform_device_alloc(DRVNAME, TO_PHYS_ID(cpu)); if (!pdev) { err = -ENOMEM; pr_err("Device allocation failed\n"); @@ -738,7 +624,7 @@ static int __cpuinit coretemp_device_add(unsigned int cpu) } pdev_entry->pdev = pdev; - pdev_entry->phys_proc_id = TO_PHYS_ID(cpu); + pdev_entry->phys_proc_id = pdev->id; list_add_tail(&pdev_entry->list, &pdev_list); mutex_unlock(&pdev_list_mutex); @@ -799,6 +685,10 @@ static void __cpuinit get_core_online(unsigned int cpu) return; if (!pdev) { + /* Check the microcode version of the CPU */ + if (chk_ucode_version(cpu)) + return; + /* * Alright, we have DTS support. * We are bringing the _first_ core in this pkg diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c index 257957c69d9..4f7c3fc40a8 100644 --- a/drivers/hwmon/ds620.c +++ b/drivers/hwmon/ds620.c @@ -72,7 +72,7 @@ struct ds620_data { char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ - u16 temp[3]; /* Register values, word */ + s16 temp[3]; /* Register values, word */ }; /* diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index d94a24fdf4b..dd2d7b9620c 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -124,7 +124,7 @@ static inline int MV_TO_LIMIT(int mv, int range) static inline int ADC_TO_CURR(int adc, int gain) { - return adc * 1400000 / gain * 255; + return adc * 1400000 / (gain * 255); } /* diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index a561c3a0e91..397fc59b568 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -978,6 +978,8 @@ static void pmbus_find_max_attr(struct i2c_client *client, struct pmbus_limit_attr { u16 reg; /* Limit register */ bool update; /* True if register needs updates */ + bool low; /* True if low limit; for limits with compare + functions only */ const char *attr; /* Attribute name */ const char *alarm; /* Alarm attribute name */ u32 sbit; /* Alarm attribute status bit */ @@ -1029,7 +1031,8 @@ static bool pmbus_add_limit_attrs(struct i2c_client *client, if (attr->compare) { pmbus_add_boolean_cmp(data, name, l->alarm, index, - cbase, cindex, + l->low ? cindex : cbase, + l->low ? cbase : cindex, attr->sbase + page, l->sbit); } else { pmbus_add_boolean_reg(data, name, @@ -1366,11 +1369,13 @@ static const struct pmbus_sensor_attr power_attributes[] = { static const struct pmbus_limit_attr temp_limit_attrs[] = { { .reg = PMBUS_UT_WARN_LIMIT, + .low = true, .attr = "min", .alarm = "min_alarm", .sbit = PB_TEMP_UT_WARNING, }, { .reg = PMBUS_UT_FAULT_LIMIT, + .low = true, .attr = "lcrit", .alarm = "lcrit_alarm", .sbit = PB_TEMP_UT_FAULT, @@ -1399,11 +1404,13 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = { static const struct pmbus_limit_attr temp_limit_attrs23[] = { { .reg = PMBUS_UT_WARN_LIMIT, + .low = true, .attr = "min", .alarm = "min_alarm", .sbit = PB_TEMP_UT_WARNING, }, { .reg = PMBUS_UT_FAULT_LIMIT, + .low = true, .attr = "lcrit", .alarm = "lcrit_alarm", .sbit = PB_TEMP_UT_FAULT, diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c index ace1c731973..d0ddb60155c 100644 --- a/drivers/hwmon/pmbus/ucd9000.c +++ b/drivers/hwmon/pmbus/ucd9000.c @@ -141,13 +141,11 @@ static int ucd9000_probe(struct i2c_client *client, block_buffer[ret] = '\0'; dev_info(&client->dev, "Device ID %s\n", block_buffer); - mid = NULL; - for (i = 0; i < ARRAY_SIZE(ucd9000_id); i++) { - mid = &ucd9000_id[i]; + for (mid = ucd9000_id; mid->name[0]; mid++) { if (!strncasecmp(mid->name, block_buffer, strlen(mid->name))) break; } - if (!mid || !strlen(mid->name)) { + if (!mid->name[0]) { dev_err(&client->dev, "Unsupported device\n"); return -ENODEV; } diff --git a/drivers/hwmon/pmbus/ucd9200.c b/drivers/hwmon/pmbus/ucd9200.c index ffcc1cf3609..c65e9da707c 100644 --- a/drivers/hwmon/pmbus/ucd9200.c +++ b/drivers/hwmon/pmbus/ucd9200.c @@ -68,13 +68,11 @@ static int ucd9200_probe(struct i2c_client *client, block_buffer[ret] = '\0'; dev_info(&client->dev, "Device ID %s\n", block_buffer); - mid = NULL; - for (i = 0; i < ARRAY_SIZE(ucd9200_id); i++) { - mid = &ucd9200_id[i]; + for (mid = ucd9200_id; mid->name[0]; mid++) { if (!strncasecmp(mid->name, block_buffer, strlen(mid->name))) break; } - if (!mid || !strlen(mid->name)) { + if (!mid->name[0]) { dev_err(&client->dev, "Unsupported device\n"); return -ENODEV; } diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 17cf1ab9552..8c2844e5691 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -329,8 +329,8 @@ static int w83791d_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83791d_remove(struct i2c_client *client); -static int w83791d_read(struct i2c_client *client, u8 register); -static int w83791d_write(struct i2c_client *client, u8 register, u8 value); +static int w83791d_read(struct i2c_client *client, u8 reg); +static int w83791d_write(struct i2c_client *client, u8 reg, u8 value); static struct w83791d_data *w83791d_update_device(struct device *dev); #ifdef DEBUG diff --git a/drivers/i2c/busses/i2c-pxa-pci.c b/drivers/i2c/busses/i2c-pxa-pci.c index 6659d269b84..b73da6cd6f9 100644 --- a/drivers/i2c/busses/i2c-pxa-pci.c +++ b/drivers/i2c/busses/i2c-pxa-pci.c @@ -109,12 +109,15 @@ static int __devinit ce4100_i2c_probe(struct pci_dev *dev, return -EINVAL; } sds = kzalloc(sizeof(*sds), GFP_KERNEL); - if (!sds) + if (!sds) { + ret = -ENOMEM; goto err_mem; + } for (i = 0; i < ARRAY_SIZE(sds->pdev); i++) { sds->pdev[i] = add_i2c_device(dev, i); if (IS_ERR(sds->pdev[i])) { + ret = PTR_ERR(sds->pdev[i]); while (--i >= 0) platform_device_unregister(sds->pdev[i]); goto err_dev_add; diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 2440b741197..3c94c4a81a5 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -270,14 +270,30 @@ static int tegra_i2c_fill_tx_fifo(struct tegra_i2c_dev *i2c_dev) /* Rounds down to not include partial word at the end of buf */ words_to_transfer = buf_remaining / BYTES_PER_FIFO_WORD; - if (words_to_transfer > tx_fifo_avail) - words_to_transfer = tx_fifo_avail; - i2c_writesl(i2c_dev, buf, I2C_TX_FIFO, words_to_transfer); - - buf += words_to_transfer * BYTES_PER_FIFO_WORD; - buf_remaining -= words_to_transfer * BYTES_PER_FIFO_WORD; - tx_fifo_avail -= words_to_transfer; + /* It's very common to have < 4 bytes, so optimize that case. */ + if (words_to_transfer) { + if (words_to_transfer > tx_fifo_avail) + words_to_transfer = tx_fifo_avail; + + /* + * Update state before writing to FIFO. If this casues us + * to finish writing all bytes (AKA buf_remaining goes to 0) we + * have a potential for an interrupt (PACKET_XFER_COMPLETE is + * not maskable). We need to make sure that the isr sees + * buf_remaining as 0 and doesn't call us back re-entrantly. + */ + buf_remaining -= words_to_transfer * BYTES_PER_FIFO_WORD; + tx_fifo_avail -= words_to_transfer; + i2c_dev->msg_buf_remaining = buf_remaining; + i2c_dev->msg_buf = buf + + words_to_transfer * BYTES_PER_FIFO_WORD; + barrier(); + + i2c_writesl(i2c_dev, buf, I2C_TX_FIFO, words_to_transfer); + + buf += words_to_transfer * BYTES_PER_FIFO_WORD; + } /* * If there is a partial word at the end of buf, handle it manually to @@ -287,14 +303,15 @@ static int tegra_i2c_fill_tx_fifo(struct tegra_i2c_dev *i2c_dev) if (tx_fifo_avail > 0 && buf_remaining > 0) { BUG_ON(buf_remaining > 3); memcpy(&val, buf, buf_remaining); + + /* Again update before writing to FIFO to make sure isr sees. */ + i2c_dev->msg_buf_remaining = 0; + i2c_dev->msg_buf = NULL; + barrier(); + i2c_writel(i2c_dev, val, I2C_TX_FIFO); - buf_remaining = 0; - tx_fifo_avail--; } - BUG_ON(tx_fifo_avail > 0 && buf_remaining > 0); - i2c_dev->msg_buf_remaining = buf_remaining; - i2c_dev->msg_buf = buf; return 0; } @@ -411,9 +428,10 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id) tegra_i2c_mask_irq(i2c_dev, I2C_INT_TX_FIFO_DATA_REQ); } - if ((status & I2C_INT_PACKET_XFER_COMPLETE) && - !i2c_dev->msg_buf_remaining) + if (status & I2C_INT_PACKET_XFER_COMPLETE) { + BUG_ON(i2c_dev->msg_buf_remaining); complete(&i2c_dev->msg_complete); + } i2c_writel(i2c_dev, status, I2C_INT_STATUS); if (i2c_dev->is_dvc) @@ -531,7 +549,7 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], static u32 tegra_i2c_func(struct i2c_adapter *adap) { - return I2C_FUNC_I2C; + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; } static const struct i2c_algorithm tegra_i2c_algo = { @@ -719,6 +737,17 @@ static int tegra_i2c_resume(struct platform_device *pdev) } #endif +#if defined(CONFIG_OF) +/* Match table for of_platform binding */ +static const struct of_device_id tegra_i2c_of_match[] __devinitconst = { + { .compatible = "nvidia,tegra20-i2c", }, + {}, +}; +MODULE_DEVICE_TABLE(of, tegra_i2c_of_match); +#else +#define tegra_i2c_of_match NULL +#endif + static struct platform_driver tegra_i2c_driver = { .probe = tegra_i2c_probe, .remove = tegra_i2c_remove, @@ -729,6 +758,7 @@ static struct platform_driver tegra_i2c_driver = { .driver = { .name = "tegra-i2c", .owner = THIS_MODULE, + .of_match_table = tegra_i2c_of_match, }, }; diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 274798068a5..16f69be820c 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -435,7 +435,12 @@ static int idedisk_prep_fn(struct request_queue *q, struct request *rq) if (!(rq->cmd_flags & REQ_FLUSH)) return BLKPREP_OK; - cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + if (rq->special) { + cmd = rq->special; + memset(cmd, 0, sizeof(*cmd)); + } else { + cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + } /* FIXME: map struct ide_taskfile on rq->cmd[] */ BUG_ON(cmd == NULL); diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 17bf9d95463..6cd642aaa4d 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -287,7 +287,7 @@ void __free_ep(struct kref *kref) if (test_bit(RELEASE_RESOURCES, &ep->com.flags)) { cxgb3_remove_tid(ep->com.tdev, (void *)ep, ep->hwtid); dst_release(ep->dst); - l2t_release(L2DATA(ep->com.tdev), ep->l2t); + l2t_release(ep->com.tdev, ep->l2t); } kfree(ep); } @@ -1178,7 +1178,7 @@ static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) release_tid(ep->com.tdev, GET_TID(rpl), NULL); cxgb3_free_atid(ep->com.tdev, ep->atid); dst_release(ep->dst); - l2t_release(L2DATA(ep->com.tdev), ep->l2t); + l2t_release(ep->com.tdev, ep->l2t); put_ep(&ep->com); return CPL_RET_BUF_DONE; } @@ -1377,7 +1377,7 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) if (!child_ep) { printk(KERN_ERR MOD "%s - failed to allocate ep entry!\n", __func__); - l2t_release(L2DATA(tdev), l2t); + l2t_release(tdev, l2t); dst_release(dst); goto reject; } @@ -1956,7 +1956,7 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) if (!err) goto out; - l2t_release(L2DATA(h->rdev.t3cdev_p), ep->l2t); + l2t_release(h->rdev.t3cdev_p, ep->l2t); fail4: dst_release(ep->dst); fail3: @@ -2127,7 +2127,7 @@ int iwch_ep_redirect(void *ctx, struct dst_entry *old, struct dst_entry *new, PDBG("%s ep %p redirect to dst %p l2t %p\n", __func__, ep, new, l2t); dst_hold(new); - l2t_release(L2DATA(ep->com.tdev), ep->l2t); + l2t_release(ep->com.tdev, ep->l2t); ep->l2t = l2t; dst_release(old); ep->dst = new; diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 7b404e5443e..e34eeb8ae37 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -668,4 +668,3 @@ module_exit(adp5588_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("ADP5588/87 Keypad driver"); -MODULE_ALIAS("platform:adp5588-keys"); diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index b09c7d12721..ab860511f01 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -475,7 +475,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on) le16_to_cpu(dev->ctl_req->wIndex), dev->ctl_data, USB_PKT_LEN, USB_CTRL_SET_TIMEOUT); - if (error && error != EINTR) + if (error < 0 && error != -EINTR) err("%s: usb_control_msg() failed %d", __func__, error); } diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index da280189ef0..5ec617e28f7 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -67,6 +67,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI 0x0245 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO 0x0246 #define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS 0x0247 +/* MacbookAir4,1 (unibody, July 2011) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249 +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b /* MacbookAir4,2 (unibody, July 2011) */ #define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI 0x024c #define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO 0x024d @@ -112,6 +116,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_JIS), + /* MacbookAir4,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS), /* MacbookAir4,2 */ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ISO), @@ -334,6 +342,18 @@ static const struct bcm5974_config bcm5974_config_table[] = { { DIM_X, DIM_X / SN_COORD, -4750, 5280 }, { DIM_Y, DIM_Y / SN_COORD, -150, 6730 } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, + { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, + { DIM_X, DIM_X / SN_COORD, -4620, 5140 }, + { DIM_Y, DIM_Y / SN_COORD, -150, 6600 } + }, {} }; diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index d27c9d91630..958b4eb6369 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -229,13 +229,6 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi get_unaligned_le16(&report[i + 3]); i += 4; } - } else if (usage == WCM_DIGITIZER) { - /* max pressure isn't reported - features->pressure_max = (unsigned short) - (report[i+4] << 8 | report[i + 3]); - */ - features->pressure_max = 255; - i += 4; } break; @@ -291,13 +284,6 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi pen = 1; i++; break; - - case HID_USAGE_UNDEFINED: - if (usage == WCM_DESKTOP && finger) /* capacity */ - features->pressure_max = - get_unaligned_le16(&report[i + 3]); - i += 4; - break; } break; diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index c1c2f7b28d8..9dea71849f4 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -800,25 +800,26 @@ static int wacom_bpt_touch(struct wacom_wac *wacom) int i; for (i = 0; i < 2; i++) { - int p = data[9 * i + 2]; - bool touch = p && !wacom->shared->stylus_in_proximity; + int offset = (data[1] & 0x80) ? (8 * i) : (9 * i); + bool touch = data[offset + 3] & 0x80; - input_mt_slot(input, i); - input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); /* * Touch events need to be disabled while stylus is * in proximity because user's hand is resting on touchpad * and sending unwanted events. User expects tablet buttons * to continue working though. */ + touch = touch && !wacom->shared->stylus_in_proximity; + + input_mt_slot(input, i); + input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); if (touch) { - int x = get_unaligned_be16(&data[9 * i + 3]) & 0x7ff; - int y = get_unaligned_be16(&data[9 * i + 5]) & 0x7ff; + int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff; + int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff; if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) { x <<= 5; y <<= 5; } - input_report_abs(input, ABS_MT_PRESSURE, p); input_report_abs(input, ABS_MT_POSITION_X, x); input_report_abs(input, ABS_MT_POSITION_Y, y); } @@ -1056,10 +1057,11 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, features->x_fuzz, 0); input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, features->y_fuzz, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, - features->pressure_fuzz, 0); if (features->device_type == BTN_TOOL_PEN) { + input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, + features->pressure_fuzz, 0); + /* penabled devices have fixed resolution for each model */ input_abs_set_res(input_dev, ABS_X, features->x_resolution); input_abs_set_res(input_dev, ABS_Y, features->y_resolution); @@ -1098,6 +1100,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_TOOL_MOUSE, input_dev->keybit); __set_bit(BTN_STYLUS, input_dev->keybit); __set_bit(BTN_STYLUS2, input_dev->keybit); + + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; case WACOM_21UX2: @@ -1120,12 +1124,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, for (i = 0; i < 8; i++) __set_bit(BTN_0 + i, input_dev->keybit); - if (wacom_wac->features.type != WACOM_21UX2) { - input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0); - input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0); - } - + input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0); + input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0); input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); + + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + wacom_setup_cintiq(wacom_wac); break; @@ -1150,6 +1154,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, /* fall through */ case INTUOS: + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + wacom_setup_intuos(wacom_wac); break; @@ -1165,6 +1171,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); wacom_setup_intuos(wacom_wac); + + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; case TABLETPC2FG: @@ -1183,26 +1191,40 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, case TABLETPC: __clear_bit(ABS_MISC, input_dev->absbit); + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + if (features->device_type != BTN_TOOL_PEN) break; /* no need to process stylus stuff */ /* fall through */ case PL: - case PTU: case DTU: __set_bit(BTN_TOOL_PEN, input_dev->keybit); + __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); __set_bit(BTN_STYLUS, input_dev->keybit); __set_bit(BTN_STYLUS2, input_dev->keybit); + + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + break; + + case PTU: + __set_bit(BTN_STYLUS2, input_dev->keybit); /* fall through */ case PENPARTNER: + __set_bit(BTN_TOOL_PEN, input_dev->keybit); __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); + __set_bit(BTN_STYLUS, input_dev->keybit); + + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; case BAMBOO_PT: __clear_bit(ABS_MISC, input_dev->absbit); + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + if (features->device_type == BTN_TOOL_DOUBLETAP) { __set_bit(BTN_LEFT, input_dev->keybit); __set_bit(BTN_FORWARD, input_dev->keybit); diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c index c14412ef464..9941d39df43 100644 --- a/drivers/input/touchscreen/wacom_w8001.c +++ b/drivers/input/touchscreen/wacom_w8001.c @@ -383,6 +383,8 @@ static int w8001_setup(struct w8001 *w8001) dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); strlcat(w8001->name, "Wacom Serial", sizeof(w8001->name)); + __set_bit(INPUT_PROP_DIRECT, dev->propbit); + /* penabled? */ error = w8001_command(w8001, W8001_CMD_QUERY, true); if (!error) { diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index a14f8dc2346..0e4227f457a 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -605,7 +605,9 @@ static void build_inv_all(struct iommu_cmd *cmd) * Writes the command to the IOMMUs command buffer and informs the * hardware about the new command. */ -static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd) +static int iommu_queue_command_sync(struct amd_iommu *iommu, + struct iommu_cmd *cmd, + bool sync) { u32 left, tail, head, next_tail; unsigned long flags; @@ -639,13 +641,18 @@ again: copy_cmd_to_buffer(iommu, cmd, tail); /* We need to sync now to make sure all commands are processed */ - iommu->need_sync = true; + iommu->need_sync = sync; spin_unlock_irqrestore(&iommu->lock, flags); return 0; } +static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd) +{ + return iommu_queue_command_sync(iommu, cmd, true); +} + /* * This function queues a completion wait command into the command * buffer of an IOMMU @@ -661,7 +668,7 @@ static int iommu_completion_wait(struct amd_iommu *iommu) build_completion_wait(&cmd, (u64)&sem); - ret = iommu_queue_command(iommu, &cmd); + ret = iommu_queue_command_sync(iommu, &cmd, false); if (ret) return ret; @@ -840,14 +847,9 @@ static void domain_flush_complete(struct protection_domain *domain) static void domain_flush_devices(struct protection_domain *domain) { struct iommu_dev_data *dev_data; - unsigned long flags; - - spin_lock_irqsave(&domain->lock, flags); list_for_each_entry(dev_data, &domain->dev_list, list) device_flush_dte(dev_data); - - spin_unlock_irqrestore(&domain->lock, flags); } /**************************************************************************** diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 3dc9befa5ae..6dcc7e2d54d 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1388,7 +1388,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) return ret; } - ret = request_irq(irq, dmar_fault, 0, iommu->name, iommu); + ret = request_irq(irq, dmar_fault, IRQF_NO_THREAD, iommu->name, iommu); if (ret) printk(KERN_ERR "IOMMU: can't request irq\n"); return ret; diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index d87c9d02f78..328c64c0841 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -41,6 +41,7 @@ static ssize_t led_delay_on_store(struct device *dev, if (count == size) { led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off); + led_cdev->blink_delay_on = state; ret = count; } @@ -69,6 +70,7 @@ static ssize_t led_delay_off_store(struct device *dev, if (count == size) { led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state); + led_cdev->blink_delay_off = state; ret = count; } diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 49da55c1528..8c2a000cf3f 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1698,6 +1698,8 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) } ti->num_flush_requests = 1; + ti->discard_zeroes_data_unsupported = 1; + return 0; bad: diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c index 89f73ca22cf..f84c08029b2 100644 --- a/drivers/md/dm-flakey.c +++ b/drivers/md/dm-flakey.c @@ -81,8 +81,10 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc, * corrupt_bio_byte <Nth_byte> <direction> <value> <bio_flags> */ if (!strcasecmp(arg_name, "corrupt_bio_byte")) { - if (!argc) + if (!argc) { ti->error = "Feature corrupt_bio_byte requires parameters"; + return -EINVAL; + } r = dm_read_arg(_args + 1, as, &fc->corrupt_bio_byte, &ti->error); if (r) diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index a002dd85db1..86df8b2cf92 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -449,7 +449,7 @@ static int parse_raid_params(struct raid_set *rs, char **argv, rs->ti->error = "write_mostly option is only valid for RAID1"; return -EINVAL; } - if (value > rs->md.raid_disks) { + if (value >= rs->md.raid_disks) { rs->ti->error = "Invalid write_mostly drive index given"; return -EINVAL; } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 986b8754bb0..bc04518e9d8 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1238,14 +1238,15 @@ static void dm_table_set_integrity(struct dm_table *t) return; template_disk = dm_table_get_integrity_disk(t, true); - if (!template_disk && - blk_integrity_is_initialized(dm_disk(t->md))) { + if (template_disk) + blk_integrity_register(dm_disk(t->md), + blk_get_integrity(template_disk)); + else if (blk_integrity_is_initialized(dm_disk(t->md))) DMWARN("%s: device no longer has a valid integrity profile", dm_device_name(t->md)); - return; - } - blk_integrity_register(dm_disk(t->md), - blk_get_integrity(template_disk)); + else + DMWARN("%s: unable to establish an integrity profile", + dm_device_name(t->md)); } static int device_flush_capable(struct dm_target *ti, struct dm_dev *dev, @@ -1282,6 +1283,22 @@ static bool dm_table_supports_flush(struct dm_table *t, unsigned flush) return 0; } +static bool dm_table_discard_zeroes_data(struct dm_table *t) +{ + struct dm_target *ti; + unsigned i = 0; + + /* Ensure that all targets supports discard_zeroes_data. */ + while (i < dm_table_get_num_targets(t)) { + ti = dm_table_get_target(t, i++); + + if (ti->discard_zeroes_data_unsupported) + return 0; + } + + return 1; +} + void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, struct queue_limits *limits) { @@ -1304,6 +1321,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, } blk_queue_flush(q, flush); + if (!dm_table_discard_zeroes_data(t)) + q->limits.discard_zeroes_data = 0; + dm_table_set_integrity(t); /* diff --git a/drivers/md/md.c b/drivers/md/md.c index 3742ce8b0ac..5c95ccb5950 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -61,6 +61,11 @@ static void autostart_arrays(int part); #endif +/* pers_list is a list of registered personalities protected + * by pers_lock. + * pers_lock does extra service to protect accesses to + * mddev->thread when the mutex cannot be held. + */ static LIST_HEAD(pers_list); static DEFINE_SPINLOCK(pers_lock); @@ -739,7 +744,12 @@ static void mddev_unlock(mddev_t * mddev) } else mutex_unlock(&mddev->reconfig_mutex); + /* was we've dropped the mutex we need a spinlock to + * make sur the thread doesn't disappear + */ + spin_lock(&pers_lock); md_wakeup_thread(mddev->thread); + spin_unlock(&pers_lock); } static mdk_rdev_t * find_rdev_nr(mddev_t *mddev, int nr) @@ -1138,8 +1148,11 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version ret = 0; } rdev->sectors = rdev->sb_start; + /* Limit to 4TB as metadata cannot record more than that */ + if (rdev->sectors >= (2ULL << 32)) + rdev->sectors = (2ULL << 32) - 2; - if (rdev->sectors < sb->size * 2 && sb->level > 1) + if (rdev->sectors < ((sector_t)sb->size) * 2 && sb->level >= 1) /* "this cannot possibly happen" ... */ ret = -EINVAL; @@ -1173,7 +1186,7 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev) mddev->clevel[0] = 0; mddev->layout = sb->layout; mddev->raid_disks = sb->raid_disks; - mddev->dev_sectors = sb->size * 2; + mddev->dev_sectors = ((sector_t)sb->size) * 2; mddev->events = ev1; mddev->bitmap_info.offset = 0; mddev->bitmap_info.default_offset = MD_SB_BYTES >> 9; @@ -1415,6 +1428,11 @@ super_90_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors) rdev->sb_start = calc_dev_sboffset(rdev); if (!num_sectors || num_sectors > rdev->sb_start) num_sectors = rdev->sb_start; + /* Limit to 4TB as metadata cannot record more than that. + * 4TB == 2^32 KB, or 2*2^32 sectors. + */ + if (num_sectors >= (2ULL << 32)) + num_sectors = (2ULL << 32) - 2; md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size, rdev->sb_page); md_super_wait(rdev->mddev); @@ -6421,11 +6439,18 @@ mdk_thread_t *md_register_thread(void (*run) (mddev_t *), mddev_t *mddev, return thread; } -void md_unregister_thread(mdk_thread_t *thread) +void md_unregister_thread(mdk_thread_t **threadp) { + mdk_thread_t *thread = *threadp; if (!thread) return; dprintk("interrupting MD-thread pid %d\n", task_pid_nr(thread->tsk)); + /* Locking ensures that mddev_unlock does not wake_up a + * non-existent thread + */ + spin_lock(&pers_lock); + *threadp = NULL; + spin_unlock(&pers_lock); kthread_stop(thread->tsk); kfree(thread); @@ -7332,8 +7357,7 @@ static void reap_sync_thread(mddev_t *mddev) mdk_rdev_t *rdev; /* resync has finished, collect result */ - md_unregister_thread(mddev->sync_thread); - mddev->sync_thread = NULL; + md_unregister_thread(&mddev->sync_thread); if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery) && !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) { /* success...*/ diff --git a/drivers/md/md.h b/drivers/md/md.h index 1e586bb4452..0a309dc29b4 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -560,7 +560,7 @@ extern int register_md_personality(struct mdk_personality *p); extern int unregister_md_personality(struct mdk_personality *p); extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev), mddev_t *mddev, const char *name); -extern void md_unregister_thread(mdk_thread_t *thread); +extern void md_unregister_thread(mdk_thread_t **threadp); extern void md_wakeup_thread(mdk_thread_t *thread); extern void md_check_recovery(mddev_t *mddev); extern void md_write_start(mddev_t *mddev, struct bio *bi); diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 3535c23af28..d5b5fb30017 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -514,8 +514,7 @@ static int multipath_stop (mddev_t *mddev) { multipath_conf_t *conf = mddev->private; - md_unregister_thread(mddev->thread); - mddev->thread = NULL; + md_unregister_thread(&mddev->thread); blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/ mempool_destroy(conf->pool); kfree(conf->multipaths); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 32323f0afd8..d9587dffe53 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1099,12 +1099,11 @@ read_again: bio_list_add(&conf->pending_bio_list, mbio); spin_unlock_irqrestore(&conf->device_lock, flags); } - r1_bio_write_done(r1_bio); - - /* In case raid1d snuck in to freeze_array */ - wake_up(&conf->wait_barrier); - + /* Mustn't call r1_bio_write_done before this next test, + * as it could result in the bio being freed. + */ if (sectors_handled < (bio->bi_size >> 9)) { + r1_bio_write_done(r1_bio); /* We need another r1_bio. It has already been counted * in bio->bi_phys_segments */ @@ -1117,6 +1116,11 @@ read_again: goto retry_write; } + r1_bio_write_done(r1_bio); + + /* In case raid1d snuck in to freeze_array */ + wake_up(&conf->wait_barrier); + if (do_sync || !bitmap || !plugged) md_wakeup_thread(mddev->thread); @@ -2558,8 +2562,7 @@ static int stop(mddev_t *mddev) raise_barrier(conf); lower_barrier(conf); - md_unregister_thread(mddev->thread); - mddev->thread = NULL; + md_unregister_thread(&mddev->thread); if (conf->r1bio_pool) mempool_destroy(conf->r1bio_pool); kfree(conf->mirrors); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 8b29cd4f01c..0cd9672cf9c 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -337,6 +337,21 @@ static void close_write(r10bio_t *r10_bio) md_write_end(r10_bio->mddev); } +static void one_write_done(r10bio_t *r10_bio) +{ + if (atomic_dec_and_test(&r10_bio->remaining)) { + if (test_bit(R10BIO_WriteError, &r10_bio->state)) + reschedule_retry(r10_bio); + else { + close_write(r10_bio); + if (test_bit(R10BIO_MadeGood, &r10_bio->state)) + reschedule_retry(r10_bio); + else + raid_end_bio_io(r10_bio); + } + } +} + static void raid10_end_write_request(struct bio *bio, int error) { int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); @@ -387,17 +402,7 @@ static void raid10_end_write_request(struct bio *bio, int error) * Let's see if all mirrored write operations have finished * already. */ - if (atomic_dec_and_test(&r10_bio->remaining)) { - if (test_bit(R10BIO_WriteError, &r10_bio->state)) - reschedule_retry(r10_bio); - else { - close_write(r10_bio); - if (test_bit(R10BIO_MadeGood, &r10_bio->state)) - reschedule_retry(r10_bio); - else - raid_end_bio_io(r10_bio); - } - } + one_write_done(r10_bio); if (dec_rdev) rdev_dec_pending(conf->mirrors[dev].rdev, conf->mddev); } @@ -1127,20 +1132,12 @@ retry_write: spin_unlock_irqrestore(&conf->device_lock, flags); } - if (atomic_dec_and_test(&r10_bio->remaining)) { - /* This matches the end of raid10_end_write_request() */ - bitmap_endwrite(r10_bio->mddev->bitmap, r10_bio->sector, - r10_bio->sectors, - !test_bit(R10BIO_Degraded, &r10_bio->state), - 0); - md_write_end(mddev); - raid_end_bio_io(r10_bio); - } - - /* In case raid10d snuck in to freeze_array */ - wake_up(&conf->wait_barrier); + /* Don't remove the bias on 'remaining' (one_write_done) until + * after checking if we need to go around again. + */ if (sectors_handled < (bio->bi_size >> 9)) { + one_write_done(r10_bio); /* We need another r10_bio. It has already been counted * in bio->bi_phys_segments. */ @@ -1154,6 +1151,10 @@ retry_write: r10_bio->state = 0; goto retry_write; } + one_write_done(r10_bio); + + /* In case raid10d snuck in to freeze_array */ + wake_up(&conf->wait_barrier); if (do_sync || !mddev->bitmap || !plugged) md_wakeup_thread(mddev->thread); @@ -2954,7 +2955,7 @@ static int run(mddev_t *mddev) return 0; out_free_conf: - md_unregister_thread(mddev->thread); + md_unregister_thread(&mddev->thread); if (conf->r10bio_pool) mempool_destroy(conf->r10bio_pool); safe_put_page(conf->tmppage); @@ -2972,8 +2973,7 @@ static int stop(mddev_t *mddev) raise_barrier(conf, 0); lower_barrier(conf); - md_unregister_thread(mddev->thread); - mddev->thread = NULL; + md_unregister_thread(&mddev->thread); blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/ if (conf->r10bio_pool) mempool_destroy(conf->r10bio_pool); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 43709fa6b6d..ac5e8b57e50 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4941,8 +4941,7 @@ static int run(mddev_t *mddev) return 0; abort: - md_unregister_thread(mddev->thread); - mddev->thread = NULL; + md_unregister_thread(&mddev->thread); if (conf) { print_raid5_conf(conf); free_conf(conf); @@ -4956,8 +4955,7 @@ static int stop(mddev_t *mddev) { raid5_conf_t *conf = mddev->private; - md_unregister_thread(mddev->thread); - mddev->thread = NULL; + md_unregister_thread(&mddev->thread); if (mddev->queue) mddev->queue->backing_dev_info.congested_fn = NULL; free_conf(conf); diff --git a/drivers/media/dvb/dvb-usb/vp7045.c b/drivers/media/dvb/dvb-usb/vp7045.c index 3db89e3cb0b..536c16c943b 100644 --- a/drivers/media/dvb/dvb-usb/vp7045.c +++ b/drivers/media/dvb/dvb-usb/vp7045.c @@ -224,26 +224,8 @@ static struct dvb_usb_device_properties vp7045_properties; static int vp7045_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { - struct dvb_usb_device *d; - int ret = dvb_usb_device_init(intf, &vp7045_properties, - THIS_MODULE, &d, adapter_nr); - if (ret) - return ret; - - d->priv = kmalloc(20, GFP_KERNEL); - if (!d->priv) { - dvb_usb_device_exit(intf); - return -ENOMEM; - } - - return ret; -} - -static void vp7045_usb_disconnect(struct usb_interface *intf) -{ - struct dvb_usb_device *d = usb_get_intfdata(intf); - kfree(d->priv); - dvb_usb_device_exit(intf); + return dvb_usb_device_init(intf, &vp7045_properties, + THIS_MODULE, NULL, adapter_nr); } static struct usb_device_id vp7045_usb_table [] = { @@ -258,7 +240,7 @@ MODULE_DEVICE_TABLE(usb, vp7045_usb_table); static struct dvb_usb_device_properties vp7045_properties = { .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-vp7045-01.fw", - .size_of_priv = sizeof(u8 *), + .size_of_priv = 20, .num_adapters = 1, .adapter = { @@ -305,7 +287,7 @@ static struct dvb_usb_device_properties vp7045_properties = { static struct usb_driver vp7045_usb_driver = { .name = "dvb_usb_vp7045", .probe = vp7045_usb_probe, - .disconnect = vp7045_usb_disconnect, + .disconnect = dvb_usb_device_exit, .id_table = vp7045_usb_table, }; diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index eae05b50047..144f3f55d76 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -618,7 +618,6 @@ static void nvt_dump_rx_buf(struct nvt_dev *nvt) static void nvt_process_rx_ir_data(struct nvt_dev *nvt) { DEFINE_IR_RAW_EVENT(rawir); - unsigned int count; u32 carrier; u8 sample; int i; @@ -631,65 +630,38 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt) if (nvt->carrier_detect_enabled) carrier = nvt_rx_carrier_detect(nvt); - count = nvt->pkts; - nvt_dbg_verbose("Processing buffer of len %d", count); + nvt_dbg_verbose("Processing buffer of len %d", nvt->pkts); init_ir_raw_event(&rawir); - for (i = 0; i < count; i++) { - nvt->pkts--; + for (i = 0; i < nvt->pkts; i++) { sample = nvt->buf[i]; rawir.pulse = ((sample & BUF_PULSE_BIT) != 0); rawir.duration = US_TO_NS((sample & BUF_LEN_MASK) * SAMPLE_PERIOD); - if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) { - if (nvt->rawir.pulse == rawir.pulse) - nvt->rawir.duration += rawir.duration; - else { - nvt->rawir.duration = rawir.duration; - nvt->rawir.pulse = rawir.pulse; - } - continue; - } - - rawir.duration += nvt->rawir.duration; + nvt_dbg("Storing %s with duration %d", + rawir.pulse ? "pulse" : "space", rawir.duration); - init_ir_raw_event(&nvt->rawir); - nvt->rawir.duration = 0; - nvt->rawir.pulse = rawir.pulse; - - if (sample == BUF_PULSE_BIT) - rawir.pulse = false; - - if (rawir.duration) { - nvt_dbg("Storing %s with duration %d", - rawir.pulse ? "pulse" : "space", - rawir.duration); - - ir_raw_event_store_with_filter(nvt->rdev, &rawir); - } + ir_raw_event_store_with_filter(nvt->rdev, &rawir); /* * BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE * indicates end of IR signal, but new data incoming. In both * cases, it means we're ready to call ir_raw_event_handle */ - if ((sample == BUF_PULSE_BIT) && nvt->pkts) { + if ((sample == BUF_PULSE_BIT) && (i + 1 < nvt->pkts)) { nvt_dbg("Calling ir_raw_event_handle (signal end)\n"); ir_raw_event_handle(nvt->rdev); } } + nvt->pkts = 0; + nvt_dbg("Calling ir_raw_event_handle (buffer empty)\n"); ir_raw_event_handle(nvt->rdev); - if (nvt->pkts) { - nvt_dbg("Odd, pkts should be 0 now... (its %u)", nvt->pkts); - nvt->pkts = 0; - } - nvt_dbg_verbose("%s done", __func__); } @@ -1048,7 +1020,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) spin_lock_init(&nvt->nvt_lock); spin_lock_init(&nvt->tx.lock); - init_ir_raw_event(&nvt->rawir); ret = -EBUSY; /* now claim resources */ diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h index 1241fc89a36..0d5e0872a2e 100644 --- a/drivers/media/rc/nuvoton-cir.h +++ b/drivers/media/rc/nuvoton-cir.h @@ -67,7 +67,6 @@ static int debug; struct nvt_dev { struct pnp_dev *pdev; struct rc_dev *rdev; - struct ir_raw_event rawir; spinlock_t nvt_lock; diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c index 0800433b209..18305c89083 100644 --- a/drivers/media/video/gspca/ov519.c +++ b/drivers/media/video/gspca/ov519.c @@ -2858,7 +2858,6 @@ static void ov7xx0_configure(struct sd *sd) case 0x60: PDEBUG(D_PROBE, "Sensor is a OV7660"); sd->sensor = SEN_OV7660; - sd->invert_led = 0; break; default: PDEBUG(D_PROBE, "Unknown sensor: 0x76%x", low); @@ -3337,7 +3336,6 @@ static int sd_config(struct gspca_dev *gspca_dev, case BRIDGE_OV519: cam->cam_mode = ov519_vga_mode; cam->nmodes = ARRAY_SIZE(ov519_vga_mode); - sd->invert_led = !sd->invert_led; break; case BRIDGE_OVFX2: cam->cam_mode = ov519_vga_mode; @@ -5005,24 +5003,24 @@ static const struct sd_desc sd_desc = { /* -- module initialisation -- */ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x041e, 0x4003), .driver_info = BRIDGE_W9968CF }, - {USB_DEVICE(0x041e, 0x4052), .driver_info = BRIDGE_OV519 }, - {USB_DEVICE(0x041e, 0x405f), + {USB_DEVICE(0x041e, 0x4052), .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED }, + {USB_DEVICE(0x041e, 0x405f), .driver_info = BRIDGE_OV519 }, {USB_DEVICE(0x041e, 0x4060), .driver_info = BRIDGE_OV519 }, {USB_DEVICE(0x041e, 0x4061), .driver_info = BRIDGE_OV519 }, - {USB_DEVICE(0x041e, 0x4064), - .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED }, + {USB_DEVICE(0x041e, 0x4064), .driver_info = BRIDGE_OV519 }, {USB_DEVICE(0x041e, 0x4067), .driver_info = BRIDGE_OV519 }, - {USB_DEVICE(0x041e, 0x4068), + {USB_DEVICE(0x041e, 0x4068), .driver_info = BRIDGE_OV519 }, + {USB_DEVICE(0x045e, 0x028c), .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED }, - {USB_DEVICE(0x045e, 0x028c), .driver_info = BRIDGE_OV519 }, {USB_DEVICE(0x054c, 0x0154), .driver_info = BRIDGE_OV519 }, - {USB_DEVICE(0x054c, 0x0155), - .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED }, + {USB_DEVICE(0x054c, 0x0155), .driver_info = BRIDGE_OV519 }, {USB_DEVICE(0x05a9, 0x0511), .driver_info = BRIDGE_OV511 }, {USB_DEVICE(0x05a9, 0x0518), .driver_info = BRIDGE_OV518 }, - {USB_DEVICE(0x05a9, 0x0519), .driver_info = BRIDGE_OV519 }, - {USB_DEVICE(0x05a9, 0x0530), .driver_info = BRIDGE_OV519 }, + {USB_DEVICE(0x05a9, 0x0519), + .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED }, + {USB_DEVICE(0x05a9, 0x0530), + .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED }, {USB_DEVICE(0x05a9, 0x2800), .driver_info = BRIDGE_OVFX2 }, {USB_DEVICE(0x05a9, 0x4519), .driver_info = BRIDGE_OV519 }, {USB_DEVICE(0x05a9, 0x8519), .driver_info = BRIDGE_OV519 }, diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 81b8a600783..c477ad11f10 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -2386,7 +2386,7 @@ static int sd_start(struct gspca_dev *gspca_dev) reg_w1(gspca_dev, 0x01, 0x22); msleep(100); reg01 = SCL_SEL_OD | S_PDN_INV; - reg17 &= MCK_SIZE_MASK; + reg17 &= ~MCK_SIZE_MASK; reg17 |= 0x04; /* clock / 4 */ break; } @@ -2532,6 +2532,10 @@ static int sd_start(struct gspca_dev *gspca_dev) if (!mode) { /* if 640x480 */ reg17 &= ~MCK_SIZE_MASK; reg17 |= 0x04; /* clock / 4 */ + } else { + reg01 &= ~SYS_SEL_48M; /* clk 24Mz */ + reg17 &= ~MCK_SIZE_MASK; + reg17 |= 0x02; /* clock / 2 */ } break; case SENSOR_OV7630: diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c index b5ef3622244..b3a5ecdb33a 100644 --- a/drivers/media/video/omap/omap_vout.c +++ b/drivers/media/video/omap/omap_vout.c @@ -2194,19 +2194,6 @@ static int __init omap_vout_probe(struct platform_device *pdev) "'%s' Display already enabled\n", def_display->name); } - /* set the update mode */ - if (def_display->caps & - OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) { - if (dssdrv->enable_te) - dssdrv->enable_te(def_display, 0); - if (dssdrv->set_update_mode) - dssdrv->set_update_mode(def_display, - OMAP_DSS_UPDATE_MANUAL); - } else { - if (dssdrv->set_update_mode) - dssdrv->set_update_mode(def_display, - OMAP_DSS_UPDATE_AUTO); - } } } diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c index 9d3459de04b..80796eb0c53 100644 --- a/drivers/media/video/omap3isp/ispccdc.c +++ b/drivers/media/video/omap3isp/ispccdc.c @@ -31,6 +31,7 @@ #include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/sched.h> +#include <linux/slab.h> #include <media/v4l2-event.h> #include "isp.h" diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c index e9a0e94b999..8c70e64444e 100644 --- a/drivers/media/video/pwc/pwc-v4l.c +++ b/drivers/media/video/pwc/pwc-v4l.c @@ -338,7 +338,7 @@ int pwc_init_controls(struct pwc_device *pdev) if (pdev->restore_factory) pdev->restore_factory->flags = V4L2_CTRL_FLAG_UPDATE; - if (!pdev->features & FEATURE_MOTOR_PANTILT) + if (!(pdev->features & FEATURE_MOTOR_PANTILT)) return hdl->error; /* Motor pan / tilt / reset */ diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index d29f9c2d085..e4100b1f68d 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1961,7 +1961,7 @@ static int __uvc_resume(struct usb_interface *intf, int reset) list_for_each_entry(stream, &dev->streams, list) { if (stream->intf == intf) - return uvc_video_resume(stream); + return uvc_video_resume(stream, reset); } uvc_trace(UVC_TRACE_SUSPEND, "Resume: video streaming USB interface " diff --git a/drivers/media/video/uvc/uvc_entity.c b/drivers/media/video/uvc/uvc_entity.c index 48fea373c25..29e239911d0 100644 --- a/drivers/media/video/uvc/uvc_entity.c +++ b/drivers/media/video/uvc/uvc_entity.c @@ -49,7 +49,7 @@ static int uvc_mc_register_entity(struct uvc_video_chain *chain, if (remote == NULL) return -EINVAL; - source = (UVC_ENTITY_TYPE(remote) != UVC_TT_STREAMING) + source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING) ? (remote->vdev ? &remote->vdev->entity : NULL) : &remote->subdev.entity; if (source == NULL) diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 8244167c891..ffd1158628b 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -1104,10 +1104,18 @@ int uvc_video_suspend(struct uvc_streaming *stream) * buffers, making sure userspace applications are notified of the problem * instead of waiting forever. */ -int uvc_video_resume(struct uvc_streaming *stream) +int uvc_video_resume(struct uvc_streaming *stream, int reset) { int ret; + /* If the bus has been reset on resume, set the alternate setting to 0. + * This should be the default value, but some devices crash or otherwise + * misbehave if they don't receive a SET_INTERFACE request before any + * other video control request. + */ + if (reset) + usb_set_interface(stream->dev->udev, stream->intfnum, 0); + stream->frozen = 0; ret = uvc_commit_video(stream, &stream->ctrl); diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index df32a43ca86..cbdd49bf8b6 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -638,7 +638,7 @@ extern void uvc_mc_cleanup_entity(struct uvc_entity *entity); /* Video */ extern int uvc_video_init(struct uvc_streaming *stream); extern int uvc_video_suspend(struct uvc_streaming *stream); -extern int uvc_video_resume(struct uvc_streaming *stream); +extern int uvc_video_resume(struct uvc_streaming *stream, int reset); extern int uvc_video_enable(struct uvc_streaming *stream, int enable); extern int uvc_probe_video(struct uvc_streaming *stream, struct uvc_streaming_control *probe); diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 06f14008b34..d7215651772 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -173,6 +173,17 @@ static void v4l2_device_release(struct device *cd) media_device_unregister_entity(&vdev->entity); #endif + /* Do not call v4l2_device_put if there is no release callback set. + * Drivers that have no v4l2_device release callback might free the + * v4l2_dev instance in the video_device release callback below, so we + * must perform this check here. + * + * TODO: In the long run all drivers that use v4l2_device should use the + * v4l2_device release callback. This check will then be unnecessary. + */ + if (v4l2_dev->release == NULL) + v4l2_dev = NULL; + /* Release video_device and perform other cleanups as needed. */ vdev->release(vdev); diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c index c72856c4143..e6a2c3b302d 100644 --- a/drivers/media/video/v4l2-device.c +++ b/drivers/media/video/v4l2-device.c @@ -38,6 +38,7 @@ int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev) mutex_init(&v4l2_dev->ioctl_lock); v4l2_prio_init(&v4l2_dev->prio); kref_init(&v4l2_dev->ref); + get_device(dev); v4l2_dev->dev = dev; if (dev == NULL) { /* If dev == NULL, then name must be filled in by the caller */ @@ -93,6 +94,7 @@ void v4l2_device_disconnect(struct v4l2_device *v4l2_dev) if (dev_get_drvdata(v4l2_dev->dev) == v4l2_dev) dev_set_drvdata(v4l2_dev->dev, NULL); + put_device(v4l2_dev->dev); v4l2_dev->dev = NULL; } EXPORT_SYMBOL_GPL(v4l2_device_disconnect); diff --git a/drivers/media/video/via-camera.c b/drivers/media/video/via-camera.c index 85d3048c1d6..bb7f17f2a33 100644 --- a/drivers/media/video/via-camera.c +++ b/drivers/media/video/via-camera.c @@ -1332,6 +1332,8 @@ static __devinit bool viacam_serial_is_enabled(void) struct pci_bus *pbus = pci_find_bus(0, 0); u8 cbyte; + if (!pbus) + return false; pci_bus_read_config_byte(pbus, VIACAM_SERIAL_DEVFN, VIACAM_SERIAL_CREG, &cbyte); if ((cbyte & VIACAM_SERIAL_BIT) == 0) diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index 21131c7b0f1..563654c9b19 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -273,7 +273,7 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev) ct->regs.ack = JZ_REG_ADC_STATUS; ct->chip.irq_mask = irq_gc_mask_set_bit; ct->chip.irq_unmask = irq_gc_mask_clr_bit; - ct->chip.irq_ack = irq_gc_ack; + ct->chip.irq_ack = irq_gc_ack_set_bit; irq_setup_generic_chip(gc, IRQ_MSK(5), 0, 0, IRQ_NOPROBE | IRQ_LEVEL); diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c index 5d1fca0277e..f83103b8970 100644 --- a/drivers/mfd/max8997.c +++ b/drivers/mfd/max8997.c @@ -135,10 +135,13 @@ static int max8997_i2c_probe(struct i2c_client *i2c, max8997->dev = &i2c->dev; max8997->i2c = i2c; max8997->type = id->driver_data; + max8997->irq = i2c->irq; if (!pdata) goto err; + max8997->irq_base = pdata->irq_base; + max8997->ono = pdata->ono; max8997->wakeup = pdata->wakeup; mutex_init(&max8997->iolock); @@ -152,6 +155,8 @@ static int max8997_i2c_probe(struct i2c_client *i2c, pm_runtime_set_active(max8997->dev); + max8997_irq_init(max8997); + mfd_add_devices(max8997->dev, -1, max8997_devs, ARRAY_SIZE(max8997_devs), NULL, 0); diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 29601e7d606..86e14583a08 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -17,6 +17,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/delay.h> @@ -676,7 +677,6 @@ static void usbhs_omap_tll_init(struct device *dev, u8 tll_channel_count) | OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF | OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE); - reg |= (1 << (i + 1)); } else continue; diff --git a/drivers/mfd/tps65910-irq.c b/drivers/mfd/tps65910-irq.c index 2bfad5c86cc..a56be931551 100644 --- a/drivers/mfd/tps65910-irq.c +++ b/drivers/mfd/tps65910-irq.c @@ -178,8 +178,10 @@ int tps65910_irq_init(struct tps65910 *tps65910, int irq, switch (tps65910_chip_id(tps65910)) { case TPS65910: tps65910->irq_num = TPS65910_NUM_IRQ; + break; case TPS65911: tps65910->irq_num = TPS65911_NUM_IRQ; + break; } /* Register with genirq */ diff --git a/drivers/mfd/twl4030-madc.c b/drivers/mfd/twl4030-madc.c index b5d598c3aa7..7cbf2aa9e64 100644 --- a/drivers/mfd/twl4030-madc.c +++ b/drivers/mfd/twl4030-madc.c @@ -510,8 +510,9 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req) u8 ch_msb, ch_lsb; int ret; - if (!req) + if (!req || !twl4030_madc) return -EINVAL; + mutex_lock(&twl4030_madc->lock); if (req->method < TWL4030_MADC_RT || req->method > TWL4030_MADC_SW2) { ret = -EINVAL; @@ -706,6 +707,8 @@ static int __devinit twl4030_madc_probe(struct platform_device *pdev) if (!madc) return -ENOMEM; + madc->dev = &pdev->dev; + /* * Phoenix provides 2 interrupt lines. The first one is connected to * the OMAP. The other one can be connected to the other processor such diff --git a/drivers/mfd/wm8350-gpio.c b/drivers/mfd/wm8350-gpio.c index ebf99bef392..d584f6b4d6e 100644 --- a/drivers/mfd/wm8350-gpio.c +++ b/drivers/mfd/wm8350-gpio.c @@ -37,7 +37,7 @@ static int gpio_set_dir(struct wm8350 *wm8350, int gpio, int dir) return ret; } -static int gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db) +static int wm8350_gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db) { if (db == WM8350_GPIO_DEBOUNCE_ON) return wm8350_set_bits(wm8350, WM8350_GPIO_DEBOUNCE, @@ -210,7 +210,7 @@ int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, goto err; if (gpio_set_polarity(wm8350, gpio, pol)) goto err; - if (gpio_set_debounce(wm8350, gpio, debounce)) + if (wm8350_gpio_set_debounce(wm8350, gpio, debounce)) goto err; if (gpio_set_dir(wm8350, gpio, dir)) goto err; diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c index b928bc14e97..8b51cd62d06 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d.c +++ b/drivers/misc/lis3lv02d/lis3lv02d.c @@ -375,12 +375,14 @@ void lis3lv02d_poweron(struct lis3lv02d *lis3) * both have been read. So the value read will always be correct. * Set BOOT bit to refresh factory tuning values. */ - lis3->read(lis3, CTRL_REG2, ®); - if (lis3->whoami == WAI_12B) - reg |= CTRL2_BDU | CTRL2_BOOT; - else - reg |= CTRL2_BOOT_8B; - lis3->write(lis3, CTRL_REG2, reg); + if (lis3->pdata) { + lis3->read(lis3, CTRL_REG2, ®); + if (lis3->whoami == WAI_12B) + reg |= CTRL2_BDU | CTRL2_BOOT; + else + reg |= CTRL2_BOOT_8B; + lis3->write(lis3, CTRL_REG2, reg); + } /* LIS3 power on delay is quite long */ msleep(lis3->pwron_delay / lis3lv02d_get_odr()); diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c index 06df1877ad0..0b56e3f4357 100644 --- a/drivers/misc/pti.c +++ b/drivers/misc/pti.c @@ -165,6 +165,11 @@ static void pti_write_to_aperture(struct pti_masterchannel *mc, static void pti_control_frame_built_and_sent(struct pti_masterchannel *mc, const char *thread_name) { + /* + * Since we access the comm member in current's task_struct, we only + * need to be as large as what 'comm' in that structure is. + */ + char comm[TASK_COMM_LEN]; struct pti_masterchannel mccontrol = {.master = CONTROL_ID, .channel = 0}; const char *thread_name_p; @@ -172,13 +177,6 @@ static void pti_control_frame_built_and_sent(struct pti_masterchannel *mc, u8 control_frame[CONTROL_FRAME_LEN]; if (!thread_name) { - /* - * Since we access the comm member in current's task_struct, - * we only need to be as large as what 'comm' in that - * structure is. - */ - char comm[TASK_COMM_LEN]; - if (!in_interrupt()) get_task_comm(comm, current); else diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 1ff5486213f..4c1a648d00f 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -926,6 +926,9 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, /* * Reliable writes are used to implement Forced Unit Access and * REQ_META accesses, and are supported only on MMCs. + * + * XXX: this really needs a good explanation of why REQ_META + * is treated special. */ bool do_rel_wr = ((req->cmd_flags & REQ_FUA) || (req->cmd_flags & REQ_META)) && diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 91a0a7460eb..b27b94078c2 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -133,7 +133,7 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) if (mrq->done) mrq->done(mrq); - mmc_host_clk_gate(host); + mmc_host_clk_release(host); } } @@ -192,7 +192,7 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) mrq->stop->mrq = mrq; } } - mmc_host_clk_ungate(host); + mmc_host_clk_hold(host); led_trigger_event(host->led, LED_FULL); host->ops->request(host, mrq); } @@ -728,15 +728,17 @@ static inline void mmc_set_ios(struct mmc_host *host) */ void mmc_set_chip_select(struct mmc_host *host, int mode) { + mmc_host_clk_hold(host); host->ios.chip_select = mode; mmc_set_ios(host); + mmc_host_clk_release(host); } /* * Sets the host clock to the highest possible frequency that * is below "hz". */ -void mmc_set_clock(struct mmc_host *host, unsigned int hz) +static void __mmc_set_clock(struct mmc_host *host, unsigned int hz) { WARN_ON(hz < host->f_min); @@ -747,6 +749,13 @@ void mmc_set_clock(struct mmc_host *host, unsigned int hz) mmc_set_ios(host); } +void mmc_set_clock(struct mmc_host *host, unsigned int hz) +{ + mmc_host_clk_hold(host); + __mmc_set_clock(host, hz); + mmc_host_clk_release(host); +} + #ifdef CONFIG_MMC_CLKGATE /* * This gates the clock by setting it to 0 Hz. @@ -779,7 +788,7 @@ void mmc_ungate_clock(struct mmc_host *host) if (host->clk_old) { BUG_ON(host->ios.clock); /* This call will also set host->clk_gated to false */ - mmc_set_clock(host, host->clk_old); + __mmc_set_clock(host, host->clk_old); } } @@ -807,8 +816,10 @@ void mmc_set_ungated(struct mmc_host *host) */ void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode) { + mmc_host_clk_hold(host); host->ios.bus_mode = mode; mmc_set_ios(host); + mmc_host_clk_release(host); } /* @@ -816,8 +827,10 @@ void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode) */ void mmc_set_bus_width(struct mmc_host *host, unsigned int width) { + mmc_host_clk_hold(host); host->ios.bus_width = width; mmc_set_ios(host); + mmc_host_clk_release(host); } /** @@ -1015,8 +1028,10 @@ u32 mmc_select_voltage(struct mmc_host *host, u32 ocr) ocr &= 3 << bit; + mmc_host_clk_hold(host); host->ios.vdd = bit; mmc_set_ios(host); + mmc_host_clk_release(host); } else { pr_warning("%s: host doesn't support card's voltages\n", mmc_hostname(host)); @@ -1063,8 +1078,10 @@ int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage, bool cmd11 */ void mmc_set_timing(struct mmc_host *host, unsigned int timing) { + mmc_host_clk_hold(host); host->ios.timing = timing; mmc_set_ios(host); + mmc_host_clk_release(host); } /* @@ -1072,8 +1089,10 @@ void mmc_set_timing(struct mmc_host *host, unsigned int timing) */ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type) { + mmc_host_clk_hold(host); host->ios.drv_type = drv_type; mmc_set_ios(host); + mmc_host_clk_release(host); } /* @@ -1091,6 +1110,8 @@ static void mmc_power_up(struct mmc_host *host) { int bit; + mmc_host_clk_hold(host); + /* If ocr is set, we use it */ if (host->ocr) bit = ffs(host->ocr) - 1; @@ -1126,10 +1147,14 @@ static void mmc_power_up(struct mmc_host *host) * time required to reach a stable voltage. */ mmc_delay(10); + + mmc_host_clk_release(host); } static void mmc_power_off(struct mmc_host *host) { + mmc_host_clk_hold(host); + host->ios.clock = 0; host->ios.vdd = 0; @@ -1147,6 +1172,8 @@ static void mmc_power_off(struct mmc_host *host) host->ios.bus_width = MMC_BUS_WIDTH_1; host->ios.timing = MMC_TIMING_LEGACY; mmc_set_ios(host); + + mmc_host_clk_release(host); } /* diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index b29d3e8fd3a..793d0a0dad8 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -119,14 +119,14 @@ static void mmc_host_clk_gate_work(struct work_struct *work) } /** - * mmc_host_clk_ungate - ungate hardware MCI clocks + * mmc_host_clk_hold - ungate hardware MCI clocks * @host: host to ungate. * * Makes sure the host ios.clock is restored to a non-zero value * past this call. Increase clock reference count and ungate clock * if we're the first user. */ -void mmc_host_clk_ungate(struct mmc_host *host) +void mmc_host_clk_hold(struct mmc_host *host) { unsigned long flags; @@ -164,14 +164,14 @@ static bool mmc_host_may_gate_card(struct mmc_card *card) } /** - * mmc_host_clk_gate - gate off hardware MCI clocks + * mmc_host_clk_release - gate off hardware MCI clocks * @host: host to gate. * * Calls the host driver with ios.clock set to zero as often as possible * in order to gate off hardware MCI clocks. Decrease clock reference * count and schedule disabling of clock. */ -void mmc_host_clk_gate(struct mmc_host *host) +void mmc_host_clk_release(struct mmc_host *host) { unsigned long flags; @@ -179,7 +179,7 @@ void mmc_host_clk_gate(struct mmc_host *host) host->clk_requests--; if (mmc_host_may_gate_card(host->card) && !host->clk_requests) - schedule_work(&host->clk_gate_work); + queue_work(system_nrt_wq, &host->clk_gate_work); spin_unlock_irqrestore(&host->clk_lock, flags); } @@ -231,7 +231,7 @@ static inline void mmc_host_clk_exit(struct mmc_host *host) if (cancel_work_sync(&host->clk_gate_work)) mmc_host_clk_gate_delayed(host); if (host->clk_gated) - mmc_host_clk_ungate(host); + mmc_host_clk_hold(host); /* There should be only one user now */ WARN_ON(host->clk_requests > 1); } diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h index de199f91192..fb8a5cd2e4a 100644 --- a/drivers/mmc/core/host.h +++ b/drivers/mmc/core/host.h @@ -16,16 +16,16 @@ int mmc_register_host_class(void); void mmc_unregister_host_class(void); #ifdef CONFIG_MMC_CLKGATE -void mmc_host_clk_ungate(struct mmc_host *host); -void mmc_host_clk_gate(struct mmc_host *host); +void mmc_host_clk_hold(struct mmc_host *host); +void mmc_host_clk_release(struct mmc_host *host); unsigned int mmc_host_clk_rate(struct mmc_host *host); #else -static inline void mmc_host_clk_ungate(struct mmc_host *host) +static inline void mmc_host_clk_hold(struct mmc_host *host) { } -static inline void mmc_host_clk_gate(struct mmc_host *host) +static inline void mmc_host_clk_release(struct mmc_host *host) { } diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 633975ff2bb..0370e03e314 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -469,56 +469,75 @@ static int sd_select_driver_type(struct mmc_card *card, u8 *status) return 0; } -static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) +static void sd_update_bus_speed_mode(struct mmc_card *card) { - unsigned int bus_speed = 0, timing = 0; - int err; - /* * If the host doesn't support any of the UHS-I modes, fallback on * default speed. */ if (!(card->host->caps & (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | - MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_DDR50))) - return 0; + MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_DDR50))) { + card->sd_bus_speed = 0; + return; + } if ((card->host->caps & MMC_CAP_UHS_SDR104) && (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) { - bus_speed = UHS_SDR104_BUS_SPEED; - timing = MMC_TIMING_UHS_SDR104; - card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR; + card->sd_bus_speed = UHS_SDR104_BUS_SPEED; } else if ((card->host->caps & MMC_CAP_UHS_DDR50) && (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) { - bus_speed = UHS_DDR50_BUS_SPEED; - timing = MMC_TIMING_UHS_DDR50; - card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR; + card->sd_bus_speed = UHS_DDR50_BUS_SPEED; } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR50)) { - bus_speed = UHS_SDR50_BUS_SPEED; - timing = MMC_TIMING_UHS_SDR50; - card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR; + card->sd_bus_speed = UHS_SDR50_BUS_SPEED; } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25)) && (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) { - bus_speed = UHS_SDR25_BUS_SPEED; - timing = MMC_TIMING_UHS_SDR25; - card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR; + card->sd_bus_speed = UHS_SDR25_BUS_SPEED; } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25 | MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR12)) { - bus_speed = UHS_SDR12_BUS_SPEED; - timing = MMC_TIMING_UHS_SDR12; - card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR; + card->sd_bus_speed = UHS_SDR12_BUS_SPEED; + } +} + +static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) +{ + int err; + unsigned int timing = 0; + + switch (card->sd_bus_speed) { + case UHS_SDR104_BUS_SPEED: + timing = MMC_TIMING_UHS_SDR104; + card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR; + break; + case UHS_DDR50_BUS_SPEED: + timing = MMC_TIMING_UHS_DDR50; + card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR; + break; + case UHS_SDR50_BUS_SPEED: + timing = MMC_TIMING_UHS_SDR50; + card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR; + break; + case UHS_SDR25_BUS_SPEED: + timing = MMC_TIMING_UHS_SDR25; + card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR; + break; + case UHS_SDR12_BUS_SPEED: + timing = MMC_TIMING_UHS_SDR12; + card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR; + break; + default: + return 0; } - card->sd_bus_speed = bus_speed; - err = mmc_sd_switch(card, 1, 0, bus_speed, status); + err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status); if (err) return err; - if ((status[16] & 0xF) != bus_speed) + if ((status[16] & 0xF) != card->sd_bus_speed) printk(KERN_WARNING "%s: Problem setting bus speed mode!\n", mmc_hostname(card->host)); else { @@ -618,18 +637,24 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card) mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); } + /* + * Select the bus speed mode depending on host + * and card capability. + */ + sd_update_bus_speed_mode(card); + /* Set the driver strength for the card */ err = sd_select_driver_type(card, status); if (err) goto out; - /* Set bus speed mode of the card */ - err = sd_set_bus_speed_mode(card, status); + /* Set current limit for the card */ + err = sd_set_current_limit(card, status); if (err) goto out; - /* Set current limit for the card */ - err = sd_set_current_limit(card, status); + /* Set bus speed mode of the card */ + err = sd_set_bus_speed_mode(card, status); if (err) goto out; diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 0e9780f5a4a..4dc0028086a 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/gpio.h> +#include <linux/module.h> #include <linux/slab.h> #include <linux/mmc/host.h> #include <linux/mmc/mmc.h> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 2bd7bf4fece..fe886d6c474 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -302,6 +302,8 @@ static int sdhci_s3c_platform_8bit_width(struct sdhci_host *host, int width) ctrl &= ~SDHCI_CTRL_8BITBUS; break; default: + ctrl &= ~SDHCI_CTRL_4BITBUS; + ctrl &= ~SDHCI_CTRL_8BITBUS; break; } diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c index 774f6439d7c..0c4a672f5db 100644 --- a/drivers/mmc/host/sh_mobile_sdhi.c +++ b/drivers/mmc/host/sh_mobile_sdhi.c @@ -120,11 +120,11 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) mmc_data->hclk = clk_get_rate(priv->clk); mmc_data->set_pwr = sh_mobile_sdhi_set_pwr; mmc_data->get_cd = sh_mobile_sdhi_get_cd; - if (mmc_data->flags & TMIO_MMC_HAS_IDLE_WAIT) - mmc_data->write16_hook = sh_mobile_sdhi_write16_hook; mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED; if (p) { mmc_data->flags = p->tmio_flags; + if (mmc_data->flags & TMIO_MMC_HAS_IDLE_WAIT) + mmc_data->write16_hook = sh_mobile_sdhi_write16_hook; mmc_data->ocr_mask = p->tmio_ocr_mask; mmc_data->capabilities |= p->tmio_caps; diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h index 65b5b76cc37..64fbb002182 100644 --- a/drivers/mtd/ubi/debug.h +++ b/drivers/mtd/ubi/debug.h @@ -181,7 +181,7 @@ static inline int ubi_dbg_is_erase_failure(const struct ubi_device *ubi) #define ubi_dbg_msg(fmt, ...) do { \ if (0) \ - pr_debug(fmt "\n", ##__VA_ARGS__); \ + printk(KERN_DEBUG fmt "\n", ##__VA_ARGS__); \ } while (0) #define dbg_msg(fmt, ...) ubi_dbg_msg(fmt, ##__VA_ARGS__) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 8d0314dbd94..a44874e24f2 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2535,7 +2535,7 @@ config S6GMAC source "drivers/net/stmmac/Kconfig" config PCH_GBE - tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GbE" + tristate "Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7223/ML7831) GbE" depends on PCI select MII ---help--- @@ -2548,10 +2548,11 @@ config PCH_GBE This driver enables Gigabit Ethernet function. This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ - Output Hub), ML7223. - ML7223 IOH is for MP(Media Phone) use. - ML7223 is companion chip for Intel Atom E6xx series. - ML7223 is completely compatible for Intel EG20T PCH. + Output Hub), ML7223/ML7831. + ML7223 IOH is for MP(Media Phone) use. ML7831 IOH is for general + purpose use. + ML7223/ML7831 is companion chip for Intel Atom E6xx series. + ML7223/ML7831 is completely compatible for Intel EG20T PCH. config FTGMAC100 tristate "Faraday FTGMAC100 Gigabit Ethernet support" diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c index 52fe21e1e2c..3b1416e3d21 100644 --- a/drivers/net/arm/am79c961a.c +++ b/drivers/net/arm/am79c961a.c @@ -308,8 +308,11 @@ static void am79c961_timer(unsigned long data) struct net_device *dev = (struct net_device *)data; struct dev_priv *priv = netdev_priv(dev); unsigned int lnkstat, carrier; + unsigned long flags; + spin_lock_irqsave(&priv->chip_lock, flags); lnkstat = read_ireg(dev->base_addr, ISALED0) & ISALED0_LNKST; + spin_unlock_irqrestore(&priv->chip_lock, flags); carrier = netif_carrier_ok(dev); if (lnkstat && !carrier) { diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index c423504a755..e46df5331c5 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -315,6 +315,14 @@ union db_prod { u32 raw; }; +/* dropless fc FW/HW related params */ +#define BRB_SIZE(bp) (CHIP_IS_E3(bp) ? 1024 : 512) +#define MAX_AGG_QS(bp) (CHIP_IS_E1(bp) ? \ + ETH_MAX_AGGREGATION_QUEUES_E1 :\ + ETH_MAX_AGGREGATION_QUEUES_E1H_E2) +#define FW_DROP_LEVEL(bp) (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp)) +#define FW_PREFETCH_CNT 16 +#define DROPLESS_FC_HEADROOM 100 /* MC hsi */ #define BCM_PAGE_SHIFT 12 @@ -331,15 +339,35 @@ union db_prod { /* SGE ring related macros */ #define NUM_RX_SGE_PAGES 2 #define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge)) -#define MAX_RX_SGE_CNT (RX_SGE_CNT - 2) +#define NEXT_PAGE_SGE_DESC_CNT 2 +#define MAX_RX_SGE_CNT (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT) /* RX_SGE_CNT is promised to be a power of 2 */ #define RX_SGE_MASK (RX_SGE_CNT - 1) #define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES) #define MAX_RX_SGE (NUM_RX_SGE - 1) #define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \ - (MAX_RX_SGE_CNT - 1)) ? (x) + 3 : (x) + 1) + (MAX_RX_SGE_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \ + (x) + 1) #define RX_SGE(x) ((x) & MAX_RX_SGE) +/* + * Number of required SGEs is the sum of two: + * 1. Number of possible opened aggregations (next packet for + * these aggregations will probably consume SGE immidiatelly) + * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only + * after placement on BD for new TPA aggregation) + * + * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page + */ +#define NUM_SGE_REQ (MAX_AGG_QS(bp) + \ + (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2) +#define NUM_SGE_PG_REQ ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \ + MAX_RX_SGE_CNT) +#define SGE_TH_LO(bp) (NUM_SGE_REQ + \ + NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT) +#define SGE_TH_HI(bp) (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM) + /* Manipulate a bit vector defined as an array of u64 */ /* Number of bits in one sge_mask array element */ @@ -551,24 +579,43 @@ struct bnx2x_fastpath { #define NUM_TX_RINGS 16 #define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types)) -#define MAX_TX_DESC_CNT (TX_DESC_CNT - 1) +#define NEXT_PAGE_TX_DESC_CNT 1 +#define MAX_TX_DESC_CNT (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT) #define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS) #define MAX_TX_BD (NUM_TX_BD - 1) #define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2) #define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \ - (MAX_TX_DESC_CNT - 1)) ? (x) + 2 : (x) + 1) + (MAX_TX_DESC_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \ + (x) + 1) #define TX_BD(x) ((x) & MAX_TX_BD) #define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT) /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */ #define NUM_RX_RINGS 8 #define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd)) -#define MAX_RX_DESC_CNT (RX_DESC_CNT - 2) +#define NEXT_PAGE_RX_DESC_CNT 2 +#define MAX_RX_DESC_CNT (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT) #define RX_DESC_MASK (RX_DESC_CNT - 1) #define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS) #define MAX_RX_BD (NUM_RX_BD - 1) #define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2) -#define MIN_RX_AVAIL 128 + +/* dropless fc calculations for BDs + * + * Number of BDs should as number of buffers in BRB: + * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT + * "next" elements on each page + */ +#define NUM_BD_REQ BRB_SIZE(bp) +#define NUM_BD_PG_REQ ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \ + MAX_RX_DESC_CNT) +#define BD_TH_LO(bp) (NUM_BD_REQ + \ + NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \ + FW_DROP_LEVEL(bp)) +#define BD_TH_HI(bp) (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM) + +#define MIN_RX_AVAIL ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128) #define MIN_RX_SIZE_TPA_HW (CHIP_IS_E1(bp) ? \ ETH_MIN_RX_CQES_WITH_TPA_E1 : \ @@ -579,7 +626,9 @@ struct bnx2x_fastpath { MIN_RX_AVAIL)) #define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \ - (MAX_RX_DESC_CNT - 1)) ? (x) + 3 : (x) + 1) + (MAX_RX_DESC_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \ + (x) + 1) #define RX_BD(x) ((x) & MAX_RX_BD) /* @@ -589,14 +638,31 @@ struct bnx2x_fastpath { #define CQE_BD_REL (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd)) #define NUM_RCQ_RINGS (NUM_RX_RINGS * CQE_BD_REL) #define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe)) -#define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - 1) +#define NEXT_PAGE_RCQ_DESC_CNT 1 +#define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT) #define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS) #define MAX_RCQ_BD (NUM_RCQ_BD - 1) #define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2) #define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \ - (MAX_RCQ_DESC_CNT - 1)) ? (x) + 2 : (x) + 1) + (MAX_RCQ_DESC_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \ + (x) + 1) #define RCQ_BD(x) ((x) & MAX_RCQ_BD) +/* dropless fc calculations for RCQs + * + * Number of RCQs should be as number of buffers in BRB: + * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT + * "next" elements on each page + */ +#define NUM_RCQ_REQ BRB_SIZE(bp) +#define NUM_RCQ_PG_REQ ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \ + MAX_RCQ_DESC_CNT) +#define RCQ_TH_LO(bp) (NUM_RCQ_REQ + \ + NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \ + FW_DROP_LEVEL(bp)) +#define RCQ_TH_HI(bp) (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM) + /* This is needed for determining of last_max */ #define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b)) @@ -685,24 +751,17 @@ struct bnx2x_fastpath { #define FP_CSB_FUNC_OFF \ offsetof(struct cstorm_status_block_c, func) -#define HC_INDEX_TOE_RX_CQ_CONS 0 /* Formerly Ustorm TOE CQ index */ - /* (HC_INDEX_U_TOE_RX_CQ_CONS) */ -#define HC_INDEX_ETH_RX_CQ_CONS 1 /* Formerly Ustorm ETH CQ index */ - /* (HC_INDEX_U_ETH_RX_CQ_CONS) */ -#define HC_INDEX_ETH_RX_BD_CONS 2 /* Formerly Ustorm ETH BD index */ - /* (HC_INDEX_U_ETH_RX_BD_CONS) */ - -#define HC_INDEX_TOE_TX_CQ_CONS 4 /* Formerly Cstorm TOE CQ index */ - /* (HC_INDEX_C_TOE_TX_CQ_CONS) */ -#define HC_INDEX_ETH_TX_CQ_CONS_COS0 5 /* Formerly Cstorm ETH CQ index */ - /* (HC_INDEX_C_ETH_TX_CQ_CONS) */ -#define HC_INDEX_ETH_TX_CQ_CONS_COS1 6 /* Formerly Cstorm ETH CQ index */ - /* (HC_INDEX_C_ETH_TX_CQ_CONS) */ -#define HC_INDEX_ETH_TX_CQ_CONS_COS2 7 /* Formerly Cstorm ETH CQ index */ - /* (HC_INDEX_C_ETH_TX_CQ_CONS) */ +#define HC_INDEX_ETH_RX_CQ_CONS 1 -#define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0 +#define HC_INDEX_OOO_TX_CQ_CONS 4 +#define HC_INDEX_ETH_TX_CQ_CONS_COS0 5 + +#define HC_INDEX_ETH_TX_CQ_CONS_COS1 6 + +#define HC_INDEX_ETH_TX_CQ_CONS_COS2 7 + +#define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0 #define BNX2X_RX_SB_INDEX \ (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS]) @@ -1100,11 +1159,12 @@ struct bnx2x { #define BP_PORT(bp) (bp->pfid & 1) #define BP_FUNC(bp) (bp->pfid) #define BP_ABS_FUNC(bp) (bp->pf_num) -#define BP_E1HVN(bp) (bp->pfid >> 1) -#define BP_VN(bp) (BP_E1HVN(bp)) /*remove when approved*/ -#define BP_L_ID(bp) (BP_E1HVN(bp) << 2) -#define BP_FW_MB_IDX(bp) (BP_PORT(bp) +\ - BP_VN(bp) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1)) +#define BP_VN(bp) ((bp)->pfid >> 1) +#define BP_MAX_VN_NUM(bp) (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4) +#define BP_L_ID(bp) (BP_VN(bp) << 2) +#define BP_FW_MB_IDX_VN(bp, vn) (BP_PORT(bp) +\ + (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1)) +#define BP_FW_MB_IDX(bp) BP_FW_MB_IDX_VN(bp, BP_VN(bp)) struct net_device *dev; struct pci_dev *pdev; @@ -1767,7 +1827,7 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, #define MAX_DMAE_C_PER_PORT 8 #define INIT_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \ - BP_E1HVN(bp)) + BP_VN(bp)) #define PMF_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \ E1HVN_MAX) @@ -1793,7 +1853,7 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, /* must be used on a CID before placing it on a HW ring */ #define HW_CID(bp, x) ((BP_PORT(bp) << 23) | \ - (BP_E1HVN(bp) << BNX2X_SWCID_SHIFT) | \ + (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \ (x)) #define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe)) diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c index 37e5790681a..c4cbf973641 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.c +++ b/drivers/net/bnx2x/bnx2x_cmn.c @@ -987,8 +987,6 @@ void __bnx2x_link_report(struct bnx2x *bp) void bnx2x_init_rx_rings(struct bnx2x *bp) { int func = BP_FUNC(bp); - int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H_E2; u16 ring_prod; int i, j; @@ -1001,7 +999,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) if (!fp->disable_tpa) { /* Fill the per-aggregtion pool */ - for (i = 0; i < max_agg_queues; i++) { + for (i = 0; i < MAX_AGG_QS(bp); i++) { struct bnx2x_agg_info *tpa_info = &fp->tpa_info[i]; struct sw_rx_bd *first_buf = @@ -1041,7 +1039,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) bnx2x_free_rx_sge_range(bp, fp, ring_prod); bnx2x_free_tpa_pool(bp, fp, - max_agg_queues); + MAX_AGG_QS(bp)); fp->disable_tpa = 1; ring_prod = 0; break; @@ -1137,9 +1135,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp) bnx2x_free_rx_bds(fp); if (!fp->disable_tpa) - bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ? - ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H_E2); + bnx2x_free_tpa_pool(bp, fp, MAX_AGG_QS(bp)); } } @@ -3095,15 +3091,20 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index) struct bnx2x_fastpath *fp = &bp->fp[index]; int ring_size = 0; u8 cos; + int rx_ring_size = 0; /* if rx_ring_size specified - use it */ - int rx_ring_size = bp->rx_ring_size ? bp->rx_ring_size : - MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp); + if (!bp->rx_ring_size) { - /* allocate at least number of buffers required by FW */ - rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA : - MIN_RX_SIZE_TPA, - rx_ring_size); + rx_ring_size = MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp); + + /* allocate at least number of buffers required by FW */ + rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA : + MIN_RX_SIZE_TPA, rx_ring_size); + + bp->rx_ring_size = rx_ring_size; + } else + rx_ring_size = bp->rx_ring_size; /* Common */ sb = &bnx2x_fp(bp, index, status_blk); diff --git a/drivers/net/bnx2x/bnx2x_dcb.c b/drivers/net/bnx2x/bnx2x_dcb.c index a1e004a82f7..0b4acf67e0c 100644 --- a/drivers/net/bnx2x/bnx2x_dcb.c +++ b/drivers/net/bnx2x/bnx2x_dcb.c @@ -2120,6 +2120,7 @@ static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) break; case DCB_CAP_ATTR_DCBX: *cap = BNX2X_DCBX_CAPS; + break; default: rval = -EINVAL; break; diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c index 221863059da..cf3e47914dd 100644 --- a/drivers/net/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/bnx2x/bnx2x_ethtool.c @@ -363,13 +363,50 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) } /* advertise the requested speed and duplex if supported */ - cmd->advertising &= bp->port.supported[cfg_idx]; + if (cmd->advertising & ~(bp->port.supported[cfg_idx])) { + DP(NETIF_MSG_LINK, "Advertisement parameters " + "are not supported\n"); + return -EINVAL; + } bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG; - bp->link_params.req_duplex[cfg_idx] = DUPLEX_FULL; - bp->port.advertising[cfg_idx] |= (ADVERTISED_Autoneg | + bp->link_params.req_duplex[cfg_idx] = cmd->duplex; + bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg | cmd->advertising); + if (cmd->advertising) { + + bp->link_params.speed_cap_mask[cfg_idx] = 0; + if (cmd->advertising & ADVERTISED_10baseT_Half) { + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF; + } + if (cmd->advertising & ADVERTISED_10baseT_Full) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL; + if (cmd->advertising & ADVERTISED_100baseT_Full) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL; + + if (cmd->advertising & ADVERTISED_100baseT_Half) { + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF; + } + if (cmd->advertising & ADVERTISED_1000baseT_Half) { + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; + } + if (cmd->advertising & (ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseKX_Full)) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; + + if (cmd->advertising & (ADVERTISED_10000baseT_Full | + ADVERTISED_10000baseKX4_Full | + ADVERTISED_10000baseKR_Full)) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10G; + } } else { /* forced speed */ /* advertise the requested speed and duplex if supported */ switch (speed) { @@ -1310,10 +1347,7 @@ static void bnx2x_get_ringparam(struct net_device *dev, if (bp->rx_ring_size) ering->rx_pending = bp->rx_ring_size; else - if (bp->state == BNX2X_STATE_OPEN && bp->num_queues) - ering->rx_pending = MAX_RX_AVAIL/bp->num_queues; - else - ering->rx_pending = MAX_RX_AVAIL; + ering->rx_pending = MAX_RX_AVAIL; ering->rx_mini_pending = 0; ering->rx_jumbo_pending = 0; diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index d45b1555a60..ba15bdc5a1a 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -778,9 +778,9 @@ static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp, { u32 nig_reg_adress_crd_weight = 0; u32 pbf_reg_adress_crd_weight = 0; - /* Calculate and set BW for this COS*/ - const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw; - const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw; + /* Calculate and set BW for this COS - use 1 instead of 0 for BW */ + const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw; + const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw; switch (cos_entry) { case 0: @@ -852,18 +852,12 @@ static int bnx2x_ets_e3b0_get_total_bw( /* Calculate total BW requested */ for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) { if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) { - - if (0 == ets_params->cos[cos_idx].params.bw_params.bw) { - DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW" - "was set to 0\n"); - return -EINVAL; + *total_bw += + ets_params->cos[cos_idx].params.bw_params.bw; } - *total_bw += - ets_params->cos[cos_idx].params.bw_params.bw; - } } - /*Check taotl BW is valid */ + /* Check total BW is valid */ if ((100 != *total_bw) || (0 == *total_bw)) { if (0 == *total_bw) { DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW" @@ -1726,7 +1720,7 @@ static int bnx2x_xmac_enable(struct link_params *params, /* Check loopback mode */ if (lb) - val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK; + val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK; REG_WR(bp, xmac_base + XMAC_REG_CTRL, val); bnx2x_set_xumac_nig(params, ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1); @@ -3630,6 +3624,12 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); + /* Advertised and set FEC (Forward Error Correction) */ + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2, + (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY | + MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ)); + /* Enable CL37 BAM */ if (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. @@ -5924,7 +5924,7 @@ int bnx2x_set_led(struct link_params *params, (tmp | EMAC_LED_OVERRIDE)); /* * return here without enabling traffic - * LED blink andsetting rate in ON mode. + * LED blink and setting rate in ON mode. * In oper mode, enabling LED blink * and setting rate is needed. */ @@ -5936,7 +5936,11 @@ int bnx2x_set_led(struct link_params *params, * This is a work-around for HW issue found when link * is up in CL73 */ - REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); + if ((!CHIP_IS_E3(bp)) || + (CHIP_IS_E3(bp) && + mode == LED_MODE_ON)) + REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); + if (CHIP_IS_E1x(bp) || CHIP_IS_E2(bp) || (mode == LED_MODE_ON)) @@ -10638,8 +10642,7 @@ static struct bnx2x_phy phy_warpcore = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, .addr = 0xff, .def_md_devad = 0, - .flags = (FLAGS_HW_LOCK_REQUIRED | - FLAGS_TX_ERROR_CHECK), + .flags = FLAGS_HW_LOCK_REQUIRED, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, @@ -10765,8 +10768,7 @@ static struct bnx2x_phy phy_8706 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, .addr = 0xff, .def_md_devad = 0, - .flags = (FLAGS_INIT_XGXS_FIRST | - FLAGS_TX_ERROR_CHECK), + .flags = FLAGS_INIT_XGXS_FIRST, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, @@ -10797,8 +10799,7 @@ static struct bnx2x_phy phy_8726 = { .addr = 0xff, .def_md_devad = 0, .flags = (FLAGS_HW_LOCK_REQUIRED | - FLAGS_INIT_XGXS_FIRST | - FLAGS_TX_ERROR_CHECK), + FLAGS_INIT_XGXS_FIRST), .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, @@ -10829,8 +10830,7 @@ static struct bnx2x_phy phy_8727 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, .addr = 0xff, .def_md_devad = 0, - .flags = (FLAGS_FAN_FAILURE_DET_REQ | - FLAGS_TX_ERROR_CHECK), + .flags = FLAGS_FAN_FAILURE_DET_REQ, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index f74582a22c6..15f800085bb 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -407,8 +407,8 @@ u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type, opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET); opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0); - opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) | - (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT)); + opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) | + (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT)); opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT); #ifdef __BIG_ENDIAN @@ -1419,7 +1419,7 @@ static void bnx2x_hc_int_enable(struct bnx2x *bp) if (!CHIP_IS_E1(bp)) { /* init leading/trailing edge */ if (IS_MF(bp)) { - val = (0xee0f | (1 << (BP_E1HVN(bp) + 4))); + val = (0xee0f | (1 << (BP_VN(bp) + 4))); if (bp->port.pmf) /* enable nig and gpio3 attention */ val |= 0x1100; @@ -1471,7 +1471,7 @@ static void bnx2x_igu_int_enable(struct bnx2x *bp) /* init leading/trailing edge */ if (IS_MF(bp)) { - val = (0xee0f | (1 << (BP_E1HVN(bp) + 4))); + val = (0xee0f | (1 << (BP_VN(bp) + 4))); if (bp->port.pmf) /* enable nig and gpio3 attention */ val |= 0x1100; @@ -2287,7 +2287,7 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp) int vn; bp->vn_weight_sum = 0; - for (vn = VN_0; vn < E1HVN_MAX; vn++) { + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { u32 vn_cfg = bp->mf_config[vn]; u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> FUNC_MF_CFG_MIN_BW_SHIFT) * 100; @@ -2320,12 +2320,18 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp) CMNG_FLAGS_PER_PORT_FAIRNESS_VN; } +/* returns func by VN for current port */ +static inline int func_by_vn(struct bnx2x *bp, int vn) +{ + return 2 * vn + BP_PORT(bp); +} + static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn) { struct rate_shaping_vars_per_vn m_rs_vn; struct fairness_vars_per_vn m_fair_vn; u32 vn_cfg = bp->mf_config[vn]; - int func = 2*vn + BP_PORT(bp); + int func = func_by_vn(bp, vn); u16 vn_min_rate, vn_max_rate; int i; @@ -2422,7 +2428,7 @@ void bnx2x_read_mf_cfg(struct bnx2x *bp) * * and there are 2 functions per port */ - for (vn = VN_0; vn < E1HVN_MAX; vn++) { + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp); if (func >= E1H_FUNC_MAX) @@ -2454,7 +2460,7 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type) /* calculate and set min-max rate for each vn */ if (bp->port.pmf) - for (vn = VN_0; vn < E1HVN_MAX; vn++) + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) bnx2x_init_vn_minmax(bp, vn); /* always enable rate shaping and fairness */ @@ -2473,16 +2479,15 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type) static inline void bnx2x_link_sync_notify(struct bnx2x *bp) { - int port = BP_PORT(bp); int func; int vn; /* Set the attention towards other drivers on the same port */ - for (vn = VN_0; vn < E1HVN_MAX; vn++) { - if (vn == BP_E1HVN(bp)) + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { + if (vn == BP_VN(bp)) continue; - func = ((vn << 1) | port); + func = func_by_vn(bp, vn); REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); } @@ -2577,7 +2582,7 @@ static void bnx2x_pmf_update(struct bnx2x *bp) bnx2x_dcbx_pmf_update(bp); /* enable nig attention */ - val = (0xff0f | (1 << (BP_E1HVN(bp) + 4))); + val = (0xff0f | (1 << (BP_VN(bp) + 4))); if (bp->common.int_block == INT_BLOCK_HC) { REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); @@ -2756,8 +2761,14 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp, u16 tpa_agg_size = 0; if (!fp->disable_tpa) { - pause->sge_th_hi = 250; - pause->sge_th_lo = 150; + pause->sge_th_lo = SGE_TH_LO(bp); + pause->sge_th_hi = SGE_TH_HI(bp); + + /* validate SGE ring has enough to cross high threshold */ + WARN_ON(bp->dropless_fc && + pause->sge_th_hi + FW_PREFETCH_CNT > + MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES); + tpa_agg_size = min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff); @@ -2771,10 +2782,21 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp, /* pause - not for e1 */ if (!CHIP_IS_E1(bp)) { - pause->bd_th_hi = 350; - pause->bd_th_lo = 250; - pause->rcq_th_hi = 350; - pause->rcq_th_lo = 250; + pause->bd_th_lo = BD_TH_LO(bp); + pause->bd_th_hi = BD_TH_HI(bp); + + pause->rcq_th_lo = RCQ_TH_LO(bp); + pause->rcq_th_hi = RCQ_TH_HI(bp); + /* + * validate that rings have enough entries to cross + * high thresholds + */ + WARN_ON(bp->dropless_fc && + pause->bd_th_hi + FW_PREFETCH_CNT > + bp->rx_ring_size); + WARN_ON(bp->dropless_fc && + pause->rcq_th_hi + FW_PREFETCH_CNT > + NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT); pause->pri_map = 1; } @@ -2802,9 +2824,7 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp, * For PF Clients it should be the maximum avaliable number. * VF driver(s) may want to define it to a smaller value. */ - rxq_init->max_tpa_queues = - (CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H_E2); + rxq_init->max_tpa_queues = MAX_AGG_QS(bp); rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT; rxq_init->fw_sb_id = fp->fw_sb_id; @@ -4808,6 +4828,37 @@ void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm, hc_sm->time_to_expire = 0xFFFFFFFF; } + +/* allocates state machine ids. */ +static inline +void bnx2x_map_sb_state_machines(struct hc_index_data *index_data) +{ + /* zero out state machine indices */ + /* rx indices */ + index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID; + + /* tx indices */ + index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID; + + /* map indices */ + /* rx indices */ + index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |= + SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + + /* tx indices */ + index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; +} + static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, u8 vf_valid, int fw_sb_id, int igu_sb_id) { @@ -4839,6 +4890,7 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, hc_sm_p = sb_data_e2.common.state_machine; sb_data_p = (u32 *)&sb_data_e2; data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32); + bnx2x_map_sb_state_machines(sb_data_e2.index_data); } else { memset(&sb_data_e1x, 0, sizeof(struct hc_status_block_data_e1x)); @@ -4853,6 +4905,7 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, hc_sm_p = sb_data_e1x.common.state_machine; sb_data_p = (u32 *)&sb_data_e1x; data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32); + bnx2x_map_sb_state_machines(sb_data_e1x.index_data); } bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID], @@ -4890,7 +4943,7 @@ static void bnx2x_init_def_sb(struct bnx2x *bp) int igu_seg_id; int port = BP_PORT(bp); int func = BP_FUNC(bp); - int reg_offset; + int reg_offset, reg_offset_en5; u64 section; int index; struct hc_sp_status_block_data sp_sb_data; @@ -4913,6 +4966,8 @@ static void bnx2x_init_def_sb(struct bnx2x *bp) reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); + reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 : + MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0); for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { int sindex; /* take care of sig[0]..sig[4] */ @@ -4927,7 +4982,7 @@ static void bnx2x_init_def_sb(struct bnx2x *bp) * and not 16 between the different groups */ bp->attn_group[index].sig[4] = REG_RD(bp, - reg_offset + 0x10 + 0x4*index); + reg_offset_en5 + 0x4*index); else bp->attn_group[index].sig[4] = 0; } @@ -5802,7 +5857,7 @@ static int bnx2x_init_hw_common(struct bnx2x *bp) * take the UNDI lock to protect undi_unload flow from accessing * registers while we're resetting the chip */ - bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET); bnx2x_reset_common(bp); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff); @@ -5814,7 +5869,7 @@ static int bnx2x_init_hw_common(struct bnx2x *bp) } REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val); - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET); bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON); @@ -6671,12 +6726,16 @@ static int bnx2x_init_hw_func(struct bnx2x *bp) if (CHIP_MODE_IS_4_PORT(bp)) dsb_idx = BP_FUNC(bp); else - dsb_idx = BP_E1HVN(bp); + dsb_idx = BP_VN(bp); prod_offset = (CHIP_INT_MODE_IS_BC(bp) ? IGU_BC_BASE_DSB_PROD + dsb_idx : IGU_NORM_BASE_DSB_PROD + dsb_idx); + /* + * igu prods come in chunks of E1HVN_MAX (4) - + * does not matters what is the current chip mode + */ for (i = 0; i < (num_segs * E1HVN_MAX); i += E1HVN_MAX) { addr = IGU_REG_PROD_CONS_MEMORY + @@ -7568,9 +7627,12 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode) u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; u8 *mac_addr = bp->dev->dev_addr; u32 val; + u16 pmc; + /* The mac address is written to entries 1-4 to - preserve entry 0 which is used by the PMF */ - u8 entry = (BP_E1HVN(bp) + 1)*8; + * preserve entry 0 which is used by the PMF + */ + u8 entry = (BP_VN(bp) + 1)*8; val = (mac_addr[0] << 8) | mac_addr[1]; EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val); @@ -7579,6 +7641,11 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode) (mac_addr[4] << 8) | mac_addr[5]; EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val); + /* Enable the PME and clear the status */ + pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc); + pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS; + pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc); + reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; } else @@ -8546,10 +8613,12 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) /* Check if there is any driver already loaded */ val = REG_RD(bp, MISC_REG_UNPREPARED); if (val == 0x1) { - /* Check if it is the UNDI driver + + bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET); + /* + * Check if it is the UNDI driver * UNDI driver initializes CID offset for normal bell to 0x7 */ - bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); if (val == 0x7) { u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; @@ -8587,9 +8656,6 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bnx2x_fw_command(bp, reset_code, 0); } - /* now it's safe to release the lock */ - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); - bnx2x_undi_int_disable(bp); port = BP_PORT(bp); @@ -8639,8 +8705,10 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bp->fw_seq = (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK); - } else - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + } + + /* now it's safe to release the lock */ + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET); } } @@ -8777,13 +8845,13 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp) { int pfid = BP_FUNC(bp); - int vn = BP_E1HVN(bp); int igu_sb_id; u32 val; u8 fid, igu_sb_cnt = 0; bp->igu_base_sb = 0xff; if (CHIP_INT_MODE_IS_BC(bp)) { + int vn = BP_VN(bp); igu_sb_cnt = bp->igu_sb_cnt; bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) * FP_SB_MAX_E1x; @@ -9416,6 +9484,10 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) bp->igu_base_sb = 0; } else { bp->common.int_block = INT_BLOCK_IGU; + + /* do not allow device reset during IGU info preocessing */ + bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET); + val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION); if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) { @@ -9447,6 +9519,7 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) bnx2x_get_igu_cam_info(bp); + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET); } /* @@ -9473,7 +9546,7 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) bp->mf_ov = 0; bp->mf_mode = 0; - vn = BP_E1HVN(bp); + vn = BP_VN(bp); if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) { BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n", @@ -9593,13 +9666,6 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) /* port info */ bnx2x_get_port_hwinfo(bp); - if (!BP_NOMCP(bp)) { - bp->fw_seq = - (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) & - DRV_MSG_SEQ_NUMBER_MASK); - BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); - } - /* Get MAC addresses */ bnx2x_get_mac_hwinfo(bp); @@ -9765,6 +9831,14 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp) if (!BP_NOMCP(bp)) bnx2x_undi_unload(bp); + /* init fw_seq after undi_unload! */ + if (!BP_NOMCP(bp)) { + bp->fw_seq = + (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) & + DRV_MSG_SEQ_NUMBER_MASK); + BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); + } + if (CHIP_REV_IS_FPGA(bp)) dev_err(&bp->pdev->dev, "FPGA detected\n"); @@ -10259,17 +10333,21 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev, /* clean indirect addresses */ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, PCICFG_VENDOR_ID_OFFSET); - /* Clean the following indirect addresses for all functions since it + /* + * Clean the following indirect addresses for all functions since it * is not used by the driver. */ REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0); REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0); REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0); REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0); + + if (CHIP_IS_E1x(bp)) { + REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0); + REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0); + REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0); + REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0); + } /* * Enable internal target-read (in case we are probed after PF FLR). diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h index 40266c14e6d..fc7bd0f23c0 100644 --- a/drivers/net/bnx2x/bnx2x_reg.h +++ b/drivers/net/bnx2x/bnx2x_reg.h @@ -1384,6 +1384,18 @@ Latched ump_tx_parity; [31] MCP Latched scpad_parity; */ #define MISC_REG_AEU_ENABLE4_PXP_0 0xa108 #define MISC_REG_AEU_ENABLE4_PXP_1 0xa1a8 +/* [RW 32] fifth 32b for enabling the output for function 0 output0. Mapped + * as follows: [0] PGLUE config_space; [1] PGLUE misc_flr; [2] PGLUE B RBC + * attention [3] PGLUE B RBC parity; [4] ATC attention; [5] ATC parity; [6] + * mstat0 attention; [7] mstat0 parity; [8] mstat1 attention; [9] mstat1 + * parity; [31-10] Reserved; */ +#define MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0 0xa688 +/* [RW 32] Fifth 32b for enabling the output for function 1 output0. Mapped + * as follows: [0] PGLUE config_space; [1] PGLUE misc_flr; [2] PGLUE B RBC + * attention [3] PGLUE B RBC parity; [4] ATC attention; [5] ATC parity; [6] + * mstat0 attention; [7] mstat0 parity; [8] mstat1 attention; [9] mstat1 + * parity; [31-10] Reserved; */ +#define MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 0xa6b0 /* [RW 1] set/clr general attention 0; this will set/clr bit 94 in the aeu 128 bit vector */ #define MISC_REG_AEU_GENERAL_ATTN_0 0xa000 @@ -5320,7 +5332,7 @@ #define XCM_REG_XX_OVFL_EVNT_ID 0x20058 #define XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS (0x1<<0) #define XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS (0x1<<1) -#define XMAC_CTRL_REG_CORE_LOCAL_LPBK (0x1<<3) +#define XMAC_CTRL_REG_LINE_LOCAL_LPBK (0x1<<2) #define XMAC_CTRL_REG_RX_EN (0x1<<1) #define XMAC_CTRL_REG_SOFT_RESET (0x1<<6) #define XMAC_CTRL_REG_TX_EN (0x1<<0) @@ -5766,7 +5778,7 @@ #define HW_LOCK_RESOURCE_RECOVERY_LEADER_0 8 #define HW_LOCK_RESOURCE_RECOVERY_LEADER_1 9 #define HW_LOCK_RESOURCE_SPIO 2 -#define HW_LOCK_RESOURCE_UNDI 5 +#define HW_LOCK_RESOURCE_RESET 5 #define AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT (0x1<<4) #define AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR (0x1<<5) #define AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR (0x1<<18) @@ -6853,6 +6865,9 @@ Theotherbitsarereservedandshouldbezero*/ #define MDIO_WC_REG_IEEE0BLK_AUTONEGNP 0x7 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0 0x10 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1 0x11 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2 0x12 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY 0x4000 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ 0x8000 #define MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150 0x96 #define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL 0x8000 #define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1 0x800e diff --git a/drivers/net/bnx2x/bnx2x_stats.c b/drivers/net/bnx2x/bnx2x_stats.c index 771f6803b23..9908f2bbcf7 100644 --- a/drivers/net/bnx2x/bnx2x_stats.c +++ b/drivers/net/bnx2x/bnx2x_stats.c @@ -710,7 +710,8 @@ static int bnx2x_hw_stats_update(struct bnx2x *bp) break; case MAC_TYPE_NONE: /* unreached */ - BNX2X_ERR("stats updated by DMAE but no MAC active\n"); + DP(BNX2X_MSG_STATS, + "stats updated by DMAE but no MAC active\n"); return -1; default: /* unreached */ @@ -1391,7 +1392,7 @@ static void bnx2x_port_stats_base_init(struct bnx2x *bp) static void bnx2x_func_stats_base_init(struct bnx2x *bp) { - int vn, vn_max = IS_MF(bp) ? E1HVN_MAX : E1VN_MAX; + int vn, vn_max = IS_MF(bp) ? BP_MAX_VN_NUM(bp) : E1VN_MAX; u32 func_stx; /* sanity */ @@ -1404,7 +1405,7 @@ static void bnx2x_func_stats_base_init(struct bnx2x *bp) func_stx = bp->func_stx; for (vn = VN_0; vn < vn_max; vn++) { - int mb_idx = CHIP_IS_E1x(bp) ? 2*vn + BP_PORT(bp) : vn; + int mb_idx = BP_FW_MB_IDX_VN(bp, vn); bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param); bnx2x_func_stats_init(bp); diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index a047eb973e3..47b928ed08f 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2168,7 +2168,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work) } re_arm: - queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks); + if (!bond->kill_timers) + queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks); out: read_unlock(&bond->lock); } diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 7f8b20a34ee..d4fbd2e6261 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -1440,7 +1440,8 @@ void bond_alb_monitor(struct work_struct *work) } re_arm: - queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks); + if (!bond->kill_timers) + queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks); out: read_unlock(&bond->lock); } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 43f2ea54108..6d79b78cfc7 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -777,6 +777,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond) read_lock(&bond->lock); + if (bond->kill_timers) + goto out; + /* rejoin all groups on bond device */ __bond_resend_igmp_join_requests(bond->dev); @@ -790,9 +793,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond) __bond_resend_igmp_join_requests(vlan_dev); } - if (--bond->igmp_retrans > 0) + if ((--bond->igmp_retrans > 0) && !bond->kill_timers) queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5); - +out: read_unlock(&bond->lock); } @@ -2538,7 +2541,7 @@ void bond_mii_monitor(struct work_struct *work) } re_arm: - if (bond->params.miimon) + if (bond->params.miimon && !bond->kill_timers) queue_delayed_work(bond->wq, &bond->mii_work, msecs_to_jiffies(bond->params.miimon)); out: @@ -2886,7 +2889,7 @@ void bond_loadbalance_arp_mon(struct work_struct *work) } re_arm: - if (bond->params.arp_interval) + if (bond->params.arp_interval && !bond->kill_timers) queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks); out: read_unlock(&bond->lock); @@ -3154,7 +3157,7 @@ void bond_activebackup_arp_mon(struct work_struct *work) bond_ab_arp_probe(bond); re_arm: - if (bond->params.arp_interval) + if (bond->params.arp_interval && !bond->kill_timers) queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks); out: read_unlock(&bond->lock); diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index a81249246ec..2adc294f512 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -46,6 +46,7 @@ #include <linux/skbuff.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/io.h> #include <linux/can/dev.h> #include <linux/can/error.h> diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index 805076c54f1..da5a5d9b8af 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -1146,12 +1146,14 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new) if (te && te->ctx && te->client && te->client->redirect) { update_tcb = te->client->redirect(te->ctx, old, new, e); if (update_tcb) { + rcu_read_lock(); l2t_hold(L2DATA(tdev), e); + rcu_read_unlock(); set_l2t_ix(tdev, tid, e); } } } - l2t_release(L2DATA(tdev), e); + l2t_release(tdev, e); } /* @@ -1264,7 +1266,7 @@ int cxgb3_offload_activate(struct adapter *adapter) goto out_free; err = -ENOMEM; - L2DATA(dev) = t3_init_l2t(l2t_capacity); + RCU_INIT_POINTER(dev->l2opt, t3_init_l2t(l2t_capacity)); if (!L2DATA(dev)) goto out_free; @@ -1298,16 +1300,24 @@ int cxgb3_offload_activate(struct adapter *adapter) out_free_l2t: t3_free_l2t(L2DATA(dev)); - L2DATA(dev) = NULL; + rcu_assign_pointer(dev->l2opt, NULL); out_free: kfree(t); return err; } +static void clean_l2_data(struct rcu_head *head) +{ + struct l2t_data *d = container_of(head, struct l2t_data, rcu_head); + t3_free_l2t(d); +} + + void cxgb3_offload_deactivate(struct adapter *adapter) { struct t3cdev *tdev = &adapter->tdev; struct t3c_data *t = T3C_DATA(tdev); + struct l2t_data *d; remove_adapter(adapter); if (list_empty(&adapter_list)) @@ -1315,8 +1325,11 @@ void cxgb3_offload_deactivate(struct adapter *adapter) free_tid_maps(&t->tid_maps); T3C_DATA(tdev) = NULL; - t3_free_l2t(L2DATA(tdev)); - L2DATA(tdev) = NULL; + rcu_read_lock(); + d = L2DATA(tdev); + rcu_read_unlock(); + rcu_assign_pointer(tdev->l2opt, NULL); + call_rcu(&d->rcu_head, clean_l2_data); if (t->nofail_skb) kfree_skb(t->nofail_skb); kfree(t); diff --git a/drivers/net/cxgb3/l2t.c b/drivers/net/cxgb3/l2t.c index f452c400325..41540978a17 100644 --- a/drivers/net/cxgb3/l2t.c +++ b/drivers/net/cxgb3/l2t.c @@ -300,14 +300,21 @@ static inline void reuse_entry(struct l2t_entry *e, struct neighbour *neigh) struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh, struct net_device *dev) { - struct l2t_entry *e; - struct l2t_data *d = L2DATA(cdev); + struct l2t_entry *e = NULL; + struct l2t_data *d; + int hash; u32 addr = *(u32 *) neigh->primary_key; int ifidx = neigh->dev->ifindex; - int hash = arp_hash(addr, ifidx, d); struct port_info *p = netdev_priv(dev); int smt_idx = p->port_id; + rcu_read_lock(); + d = L2DATA(cdev); + if (!d) + goto done_rcu; + + hash = arp_hash(addr, ifidx, d); + write_lock_bh(&d->lock); for (e = d->l2tab[hash].first; e; e = e->next) if (e->addr == addr && e->ifindex == ifidx && @@ -338,6 +345,8 @@ struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh, } done: write_unlock_bh(&d->lock); +done_rcu: + rcu_read_unlock(); return e; } diff --git a/drivers/net/cxgb3/l2t.h b/drivers/net/cxgb3/l2t.h index 7a12d52ed4f..c5f54796e2c 100644 --- a/drivers/net/cxgb3/l2t.h +++ b/drivers/net/cxgb3/l2t.h @@ -76,6 +76,7 @@ struct l2t_data { atomic_t nfree; /* number of free entries */ rwlock_t lock; struct l2t_entry l2tab[0]; + struct rcu_head rcu_head; /* to handle rcu cleanup */ }; typedef void (*arp_failure_handler_func)(struct t3cdev * dev, @@ -99,7 +100,7 @@ static inline void set_arp_failure_handler(struct sk_buff *skb, /* * Getting to the L2 data from an offload device. */ -#define L2DATA(dev) ((dev)->l2opt) +#define L2DATA(cdev) (rcu_dereference((cdev)->l2opt)) #define W_TCB_L2T_IX 0 #define S_TCB_L2T_IX 7 @@ -126,15 +127,22 @@ static inline int l2t_send(struct t3cdev *dev, struct sk_buff *skb, return t3_l2t_send_slow(dev, skb, e); } -static inline void l2t_release(struct l2t_data *d, struct l2t_entry *e) +static inline void l2t_release(struct t3cdev *t, struct l2t_entry *e) { - if (atomic_dec_and_test(&e->refcnt)) + struct l2t_data *d; + + rcu_read_lock(); + d = L2DATA(t); + + if (atomic_dec_and_test(&e->refcnt) && d) t3_l2e_free(d, e); + + rcu_read_unlock(); } static inline void l2t_hold(struct l2t_data *d, struct l2t_entry *e) { - if (atomic_add_return(1, &e->refcnt) == 1) /* 0 -> 1 transition */ + if (d && atomic_add_return(1, &e->refcnt) == 1) /* 0 -> 1 transition */ atomic_dec(&d->nfree); } diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c index c9957b7f17b..b4efa292fd6 100644 --- a/drivers/net/cxgb4/cxgb4_main.c +++ b/drivers/net/cxgb4/cxgb4_main.c @@ -3712,6 +3712,9 @@ static int __devinit init_one(struct pci_dev *pdev, setup_debugfs(adapter); } + /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ + pdev->needs_freset = 1; + if (is_offload(adapter)) attach_ulds(adapter); diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 8545c7aa93e..a5a89ecb6f3 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -4026,6 +4026,12 @@ s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw) checksum += eeprom_data; } +#ifdef CONFIG_PARISC + /* This is a signature and not a checksum on HP c8000 */ + if ((hw->subsystem_vendor_id == 0x103C) && (eeprom_data == 0x16d6)) + return E1000_SUCCESS; + +#endif if (checksum == (u16) EEPROM_SUM) return E1000_SUCCESS; else { diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index 25a8c2adb00..0caf3c323ec 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -1669,10 +1669,10 @@ static int gfar_get_cls_all(struct gfar_private *priv, u32 i = 0; list_for_each_entry(comp, &priv->rx_list.list, list) { - if (i <= cmd->rule_cnt) { - rule_locs[i] = comp->fs.location; - i++; - } + if (i == cmd->rule_cnt) + return -EMSGSIZE; + rule_locs[i] = comp->fs.location; + i++; } cmd->data = MAX_FILER_IDX; diff --git a/drivers/net/greth.c b/drivers/net/greth.c index 16ce45c1193..52a39000c42 100644 --- a/drivers/net/greth.c +++ b/drivers/net/greth.c @@ -428,6 +428,7 @@ greth_start_xmit(struct sk_buff *skb, struct net_device *dev) dma_sync_single_for_device(greth->dev, dma_addr, skb->len, DMA_TO_DEVICE); status = GRETH_BD_EN | GRETH_BD_IE | (skb->len & GRETH_BD_LEN); + greth->tx_bufs_length[greth->tx_next] = skb->len & GRETH_BD_LEN; /* Wrap around descriptor ring */ if (greth->tx_next == GRETH_TXBD_NUM_MASK) { @@ -490,7 +491,8 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) if (nr_frags != 0) status = GRETH_TXBD_MORE; - status |= GRETH_TXBD_CSALL; + if (skb->ip_summed == CHECKSUM_PARTIAL) + status |= GRETH_TXBD_CSALL; status |= skb_headlen(skb) & GRETH_BD_LEN; if (greth->tx_next == GRETH_TXBD_NUM_MASK) status |= GRETH_BD_WR; @@ -513,7 +515,9 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) greth->tx_skbuff[curr_tx] = NULL; bdp = greth->tx_bd_base + curr_tx; - status = GRETH_TXBD_CSALL | GRETH_BD_EN; + status = GRETH_BD_EN; + if (skb->ip_summed == CHECKSUM_PARTIAL) + status |= GRETH_TXBD_CSALL; status |= frag->size & GRETH_BD_LEN; /* Wrap around descriptor ring */ @@ -641,6 +645,7 @@ static void greth_clean_tx(struct net_device *dev) dev->stats.tx_fifo_errors++; } dev->stats.tx_packets++; + dev->stats.tx_bytes += greth->tx_bufs_length[greth->tx_last]; greth->tx_last = NEXT_TX(greth->tx_last); greth->tx_free++; } @@ -695,6 +700,7 @@ static void greth_clean_tx_gbit(struct net_device *dev) greth->tx_skbuff[greth->tx_last] = NULL; greth_update_tx_stats(dev, stat); + dev->stats.tx_bytes += skb->len; bdp = greth->tx_bd_base + greth->tx_last; @@ -796,6 +802,7 @@ static int greth_rx(struct net_device *dev, int limit) memcpy(skb_put(skb, pkt_len), phys_to_virt(dma_addr), pkt_len); skb->protocol = eth_type_trans(skb, dev); + dev->stats.rx_bytes += pkt_len; dev->stats.rx_packets++; netif_receive_skb(skb); } @@ -910,6 +917,7 @@ static int greth_rx_gbit(struct net_device *dev, int limit) skb->protocol = eth_type_trans(skb, dev); dev->stats.rx_packets++; + dev->stats.rx_bytes += pkt_len; netif_receive_skb(skb); greth->rx_skbuff[greth->rx_cur] = newskb; diff --git a/drivers/net/greth.h b/drivers/net/greth.h index 9a0040dee4d..232a622a85b 100644 --- a/drivers/net/greth.h +++ b/drivers/net/greth.h @@ -103,6 +103,7 @@ struct greth_private { unsigned char *tx_bufs[GRETH_TXBD_NUM]; unsigned char *rx_bufs[GRETH_RXBD_NUM]; + u16 tx_bufs_length[GRETH_TXBD_NUM]; u16 tx_next; u16 tx_last; diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index 3e667926940..d393f1e764e 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -636,8 +636,8 @@ static int ibmveth_open(struct net_device *netdev) netdev_err(netdev, "unable to request irq 0x%x, rc %d\n", netdev->irq, rc); do { - rc = h_free_logical_lan(adapter->vdev->unit_address); - } while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY)); + lpar_rc = h_free_logical_lan(adapter->vdev->unit_address); + } while (H_IS_LONG_BUSY(lpar_rc) || (lpar_rc == H_BUSY)); goto err_out; } @@ -757,7 +757,7 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) struct ibmveth_adapter *adapter = netdev_priv(dev); unsigned long set_attr, clr_attr, ret_attr; unsigned long set_attr6, clr_attr6; - long ret, ret6; + long ret, ret4, ret6; int rc1 = 0, rc2 = 0; int restart = 0; @@ -770,6 +770,8 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) set_attr = 0; clr_attr = 0; + set_attr6 = 0; + clr_attr6 = 0; if (data) { set_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM; @@ -784,16 +786,20 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) if (ret == H_SUCCESS && !(ret_attr & IBMVETH_ILLAN_ACTIVE_TRUNK) && !(ret_attr & IBMVETH_ILLAN_TRUNK_PRI_MASK) && (ret_attr & IBMVETH_ILLAN_PADDED_PKT_CSUM)) { - ret = h_illan_attributes(adapter->vdev->unit_address, clr_attr, + ret4 = h_illan_attributes(adapter->vdev->unit_address, clr_attr, set_attr, &ret_attr); - if (ret != H_SUCCESS) { + if (ret4 != H_SUCCESS) { netdev_err(dev, "unable to change IPv4 checksum " "offload settings. %d rc=%ld\n", - data, ret); + data, ret4); + + h_illan_attributes(adapter->vdev->unit_address, + set_attr, clr_attr, &ret_attr); + + if (data == 1) + dev->features &= ~NETIF_F_IP_CSUM; - ret = h_illan_attributes(adapter->vdev->unit_address, - set_attr, clr_attr, &ret_attr); } else { adapter->fw_ipv4_csum_support = data; } @@ -804,15 +810,18 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) if (ret6 != H_SUCCESS) { netdev_err(dev, "unable to change IPv6 checksum " "offload settings. %d rc=%ld\n", - data, ret); + data, ret6); + + h_illan_attributes(adapter->vdev->unit_address, + set_attr6, clr_attr6, &ret_attr); + + if (data == 1) + dev->features &= ~NETIF_F_IPV6_CSUM; - ret = h_illan_attributes(adapter->vdev->unit_address, - set_attr6, clr_attr6, - &ret_attr); } else adapter->fw_ipv6_csum_support = data; - if (ret != H_SUCCESS || ret6 != H_SUCCESS) + if (ret4 == H_SUCCESS || ret6 == H_SUCCESS) adapter->rx_csum = data; else rc1 = -EIO; @@ -930,6 +939,7 @@ static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb, union ibmveth_buf_desc descs[6]; int last, i; int force_bounce = 0; + dma_addr_t dma_addr; /* * veth handles a maximum of 6 segments including the header, so @@ -994,17 +1004,16 @@ retry_bounce: } /* Map the header */ - descs[0].fields.address = dma_map_single(&adapter->vdev->dev, skb->data, - skb_headlen(skb), - DMA_TO_DEVICE); - if (dma_mapping_error(&adapter->vdev->dev, descs[0].fields.address)) + dma_addr = dma_map_single(&adapter->vdev->dev, skb->data, + skb_headlen(skb), DMA_TO_DEVICE); + if (dma_mapping_error(&adapter->vdev->dev, dma_addr)) goto map_failed; descs[0].fields.flags_len = desc_flags | skb_headlen(skb); + descs[0].fields.address = dma_addr; /* Map the frags */ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - unsigned long dma_addr; skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; dma_addr = dma_map_page(&adapter->vdev->dev, frag->page, @@ -1026,7 +1035,12 @@ retry_bounce: netdev->stats.tx_bytes += skb->len; } - for (i = 0; i < skb_shinfo(skb)->nr_frags + 1; i++) + dma_unmap_single(&adapter->vdev->dev, + descs[0].fields.address, + descs[0].fields.flags_len & IBMVETH_BUF_LEN_MASK, + DMA_TO_DEVICE); + + for (i = 1; i < skb_shinfo(skb)->nr_frags + 1; i++) dma_unmap_page(&adapter->vdev->dev, descs[i].fields.address, descs[i].fields.flags_len & IBMVETH_BUF_LEN_MASK, DMA_TO_DEVICE); diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 22790394318..e1fcc958927 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1321,8 +1321,8 @@ static void ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, if (ring_is_rsc_enabled(rx_ring)) pkt_is_rsc = ixgbe_get_rsc_state(rx_desc); - /* if this is a skb from previous receive DMA will be 0 */ - if (rx_buffer_info->dma) { + /* linear means we are building an skb from multiple pages */ + if (!skb_is_nonlinear(skb)) { u16 hlen; if (pkt_is_rsc && !(staterr & IXGBE_RXD_STAT_EOP) && diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 05172c39a0c..376e3e94bae 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -239,7 +239,7 @@ static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) dest = macvlan_hash_lookup(port, eth->h_dest); if (dest && dest->mode == MACVLAN_MODE_BRIDGE) { /* send to lowerdev first for its network taps */ - vlan->forward(vlan->lowerdev, skb); + dev_forward_skb(vlan->lowerdev, skb); return NET_XMIT_SUCCESS; } diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index dfc82720065..ed2a3977c6e 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -799,5 +799,11 @@ static void __exit cleanup_netconsole(void) } } -module_init(init_netconsole); +/* + * Use late_initcall to ensure netconsole is + * initialized after network device driver if built-in. + * + * late_initcall() and module_init() are identical if built as module. + */ +late_initcall(init_netconsole); module_exit(cleanup_netconsole); diff --git a/drivers/net/pch_gbe/pch_gbe.h b/drivers/net/pch_gbe/pch_gbe.h index 59fac77d0db..a09a07197eb 100644 --- a/drivers/net/pch_gbe/pch_gbe.h +++ b/drivers/net/pch_gbe/pch_gbe.h @@ -127,8 +127,8 @@ struct pch_gbe_regs { /* Reset */ #define PCH_GBE_ALL_RST 0x80000000 /* All reset */ -#define PCH_GBE_TX_RST 0x40000000 /* TX MAC, TX FIFO, TX DMA reset */ -#define PCH_GBE_RX_RST 0x04000000 /* RX MAC, RX FIFO, RX DMA reset */ +#define PCH_GBE_TX_RST 0x00008000 /* TX MAC, TX FIFO, TX DMA reset */ +#define PCH_GBE_RX_RST 0x00004000 /* RX MAC, RX FIFO, RX DMA reset */ /* TCP/IP Accelerator Control */ #define PCH_GBE_EX_LIST_EN 0x00000008 /* External List Enable */ @@ -276,6 +276,9 @@ struct pch_gbe_regs { #define PCH_GBE_RX_DMA_EN 0x00000002 /* Enables Receive DMA */ #define PCH_GBE_TX_DMA_EN 0x00000001 /* Enables Transmission DMA */ +/* RX DMA STATUS */ +#define PCH_GBE_IDLE_CHECK 0xFFFFFFFE + /* Wake On LAN Status */ #define PCH_GBE_WLS_BR 0x00000008 /* Broadcas Address */ #define PCH_GBE_WLS_MLT 0x00000004 /* Multicast Address */ @@ -471,6 +474,7 @@ struct pch_gbe_tx_desc { struct pch_gbe_buffer { struct sk_buff *skb; dma_addr_t dma; + unsigned char *rx_buffer; unsigned long time_stamp; u16 length; bool mapped; @@ -511,6 +515,9 @@ struct pch_gbe_tx_ring { struct pch_gbe_rx_ring { struct pch_gbe_rx_desc *desc; dma_addr_t dma; + unsigned char *rx_buff_pool; + dma_addr_t rx_buff_pool_logic; + unsigned int rx_buff_pool_size; unsigned int size; unsigned int count; unsigned int next_to_use; @@ -622,6 +629,7 @@ struct pch_gbe_adapter { unsigned long rx_buffer_len; unsigned long tx_queue_len; bool have_msi; + bool rx_stop_flag; }; extern const char pch_driver_version[]; diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c index eac3c5ca973..b8b4ba27b0e 100644 --- a/drivers/net/pch_gbe/pch_gbe_main.c +++ b/drivers/net/pch_gbe/pch_gbe_main.c @@ -20,7 +20,6 @@ #include "pch_gbe.h" #include "pch_gbe_api.h" -#include <linux/prefetch.h> #define DRV_VERSION "1.00" const char pch_driver_version[] = DRV_VERSION; @@ -34,11 +33,15 @@ const char pch_driver_version[] = DRV_VERSION; #define PCH_GBE_WATCHDOG_PERIOD (1 * HZ) /* watchdog time */ #define PCH_GBE_COPYBREAK_DEFAULT 256 #define PCH_GBE_PCI_BAR 1 +#define PCH_GBE_RESERVE_MEMORY 0x200000 /* 2MB */ /* Macros for ML7223 */ #define PCI_VENDOR_ID_ROHM 0x10db #define PCI_DEVICE_ID_ROHM_ML7223_GBE 0x8013 +/* Macros for ML7831 */ +#define PCI_DEVICE_ID_ROHM_ML7831_GBE 0x8802 + #define PCH_GBE_TX_WEIGHT 64 #define PCH_GBE_RX_WEIGHT 64 #define PCH_GBE_RX_BUFFER_WRITE 16 @@ -52,6 +55,7 @@ const char pch_driver_version[] = DRV_VERSION; ) /* Ethertype field values */ +#define PCH_GBE_MAX_RX_BUFFER_SIZE 0x2880 #define PCH_GBE_MAX_JUMBO_FRAME_SIZE 10318 #define PCH_GBE_FRAME_SIZE_2048 2048 #define PCH_GBE_FRAME_SIZE_4096 4096 @@ -83,10 +87,12 @@ const char pch_driver_version[] = DRV_VERSION; #define PCH_GBE_INT_ENABLE_MASK ( \ PCH_GBE_INT_RX_DMA_CMPLT | \ PCH_GBE_INT_RX_DSC_EMP | \ + PCH_GBE_INT_RX_FIFO_ERR | \ PCH_GBE_INT_WOL_DET | \ PCH_GBE_INT_TX_CMPLT \ ) +#define PCH_GBE_INT_DISABLE_ALL 0 static unsigned int copybreak __read_mostly = PCH_GBE_COPYBREAK_DEFAULT; @@ -138,6 +144,27 @@ static void pch_gbe_wait_clr_bit(void *reg, u32 bit) if (!tmp) pr_err("Error: busy bit is not cleared\n"); } + +/** + * 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 @@ -189,6 +216,17 @@ 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) +{ + /* Read the MAC address. 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 address */ + pch_gbe_mac_mar_set(hw, hw->mac.addr, 0); + return; +} + /** * pch_gbe_mac_init_rx_addrs - Initialize receive address's * @hw: Pointer to the HW structure @@ -671,13 +709,8 @@ static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter) tcpip = ioread32(&hw->reg->TCPIP_ACC); - if (netdev->features & NETIF_F_RXCSUM) { - tcpip &= ~PCH_GBE_RX_TCPIPACC_OFF; - tcpip |= PCH_GBE_RX_TCPIPACC_EN; - } else { - tcpip |= PCH_GBE_RX_TCPIPACC_OFF; - tcpip &= ~PCH_GBE_RX_TCPIPACC_EN; - } + tcpip |= PCH_GBE_RX_TCPIPACC_OFF; + tcpip &= ~PCH_GBE_RX_TCPIPACC_EN; iowrite32(tcpip, &hw->reg->TCPIP_ACC); return; } @@ -717,13 +750,6 @@ static void pch_gbe_configure_rx(struct pch_gbe_adapter *adapter) iowrite32(rdba, &hw->reg->RX_DSC_BASE); iowrite32(rdlen, &hw->reg->RX_DSC_SIZE); iowrite32((rdba + rdlen), &hw->reg->RX_DSC_SW_P); - - /* Enables Receive DMA */ - 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); } /** @@ -1097,6 +1123,48 @@ 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) +{ + 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); + } +} + +static void pch_gbe_start_receive(struct pch_gbe_hw *hw) +{ + u32 rxdma; + + /* Enables Receive DMA */ + 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; +} + /** * pch_gbe_intr - Interrupt Handler * @irq: Interrupt number @@ -1123,7 +1191,17 @@ static irqreturn_t pch_gbe_intr(int irq, void *data) if (int_st & PCH_GBE_INT_RX_FRAME_ERR) adapter->stats.intr_rx_frame_err_count++; if (int_st & PCH_GBE_INT_RX_FIFO_ERR) - adapter->stats.intr_rx_fifo_err_count++; + if (!adapter->rx_stop_flag) { + adapter->stats.intr_rx_fifo_err_count++; + pr_debug("Rx fifo over run\n"); + adapter->rx_stop_flag = true; + 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); + int_st |= ioread32(&hw->reg->INT_ST); + int_st = int_st & ioread32(&hw->reg->INT_EN); + } if (int_st & PCH_GBE_INT_RX_DMA_ERR) adapter->stats.intr_rx_dma_err_count++; if (int_st & PCH_GBE_INT_TX_FIFO_ERR) @@ -1135,21 +1213,18 @@ static irqreturn_t pch_gbe_intr(int irq, void *data) /* When Rx descriptor is empty */ if ((int_st & PCH_GBE_INT_RX_DSC_EMP)) { adapter->stats.intr_rx_dsc_empty_count++; - pr_err("Rx descriptor is empty\n"); + pr_debug("Rx descriptor is empty\n"); int_en = ioread32(&hw->reg->INT_EN); iowrite32((int_en & ~PCH_GBE_INT_RX_DSC_EMP), &hw->reg->INT_EN); if (hw->mac.tx_fc_enable) { /* Set Pause packet */ pch_gbe_mac_set_pause_packet(hw); } - if ((int_en & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT)) - == 0) { - return IRQ_HANDLED; - } } /* When request status is Receive interruption */ - if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT))) { + if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT)) || + (adapter->rx_stop_flag == true)) { if (likely(napi_schedule_prep(&adapter->napi))) { /* Enable only Rx Descriptor empty */ atomic_inc(&adapter->irq_sem); @@ -1185,29 +1260,23 @@ pch_gbe_alloc_rx_buffers(struct pch_gbe_adapter *adapter, unsigned int i; unsigned int bufsz; - bufsz = adapter->rx_buffer_len + PCH_GBE_DMA_ALIGN; + bufsz = adapter->rx_buffer_len + NET_IP_ALIGN; i = rx_ring->next_to_use; while ((cleaned_count--)) { buffer_info = &rx_ring->buffer_info[i]; - skb = buffer_info->skb; - if (skb) { - skb_trim(skb, 0); - } else { - skb = netdev_alloc_skb(netdev, bufsz); - if (unlikely(!skb)) { - /* Better luck next round */ - adapter->stats.rx_alloc_buff_failed++; - break; - } - /* 64byte align */ - skb_reserve(skb, PCH_GBE_DMA_ALIGN); - - buffer_info->skb = skb; - buffer_info->length = adapter->rx_buffer_len; + skb = netdev_alloc_skb(netdev, bufsz); + if (unlikely(!skb)) { + /* Better luck next round */ + adapter->stats.rx_alloc_buff_failed++; + break; } + /* align */ + skb_reserve(skb, NET_IP_ALIGN); + buffer_info->skb = skb; + buffer_info->dma = dma_map_single(&pdev->dev, - skb->data, + buffer_info->rx_buffer, buffer_info->length, DMA_FROM_DEVICE); if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma)) { @@ -1240,6 +1309,36 @@ pch_gbe_alloc_rx_buffers(struct pch_gbe_adapter *adapter, return; } +static int +pch_gbe_alloc_rx_buffers_pool(struct pch_gbe_adapter *adapter, + struct pch_gbe_rx_ring *rx_ring, int cleaned_count) +{ + struct pci_dev *pdev = adapter->pdev; + struct pch_gbe_buffer *buffer_info; + unsigned int i; + unsigned int bufsz; + unsigned int size; + + bufsz = adapter->rx_buffer_len; + + size = rx_ring->count * bufsz + PCH_GBE_RESERVE_MEMORY; + rx_ring->rx_buff_pool = dma_alloc_coherent(&pdev->dev, size, + &rx_ring->rx_buff_pool_logic, + GFP_KERNEL); + if (!rx_ring->rx_buff_pool) { + pr_err("Unable to allocate memory for the receive poll buffer\n"); + return -ENOMEM; + } + memset(rx_ring->rx_buff_pool, 0, size); + rx_ring->rx_buff_pool_size = size; + for (i = 0; i < rx_ring->count; i++) { + buffer_info = &rx_ring->buffer_info[i]; + buffer_info->rx_buffer = rx_ring->rx_buff_pool + bufsz * i; + buffer_info->length = bufsz; + } + return 0; +} + /** * pch_gbe_alloc_tx_buffers - Allocate transmit buffers * @adapter: Board private structure @@ -1285,7 +1384,7 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter, struct sk_buff *skb; unsigned int i; unsigned int cleaned_count = 0; - bool cleaned = false; + bool cleaned = true; pr_debug("next_to_clean : %d\n", tx_ring->next_to_clean); @@ -1296,7 +1395,6 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter, while ((tx_desc->gbec_status & DSC_INIT16) == 0x0000) { pr_debug("gbec_status:0x%04x\n", tx_desc->gbec_status); - cleaned = true; buffer_info = &tx_ring->buffer_info[i]; skb = buffer_info->skb; @@ -1339,8 +1437,10 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter, tx_desc = PCH_GBE_TX_DESC(*tx_ring, i); /* weight of a sort for tx, to avoid endless transmit cleanup */ - if (cleaned_count++ == PCH_GBE_TX_WEIGHT) + if (cleaned_count++ == PCH_GBE_TX_WEIGHT) { + cleaned = false; break; + } } pr_debug("called pch_gbe_unmap_and_free_tx_resource() %d count\n", cleaned_count); @@ -1380,7 +1480,7 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, unsigned int i; unsigned int cleaned_count = 0; bool cleaned = false; - struct sk_buff *skb, *new_skb; + struct sk_buff *skb; u8 dma_status; u16 gbec_status; u32 tcp_ip_status; @@ -1401,13 +1501,12 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, rx_desc->gbec_status = DSC_INIT16; buffer_info = &rx_ring->buffer_info[i]; skb = buffer_info->skb; + buffer_info->skb = NULL; /* unmap dma */ dma_unmap_single(&pdev->dev, buffer_info->dma, buffer_info->length, DMA_FROM_DEVICE); buffer_info->mapped = false; - /* Prefetch the packet */ - prefetch(skb->data); pr_debug("RxDecNo = 0x%04x Status[DMA:0x%02x GBE:0x%04x " "TCP:0x%08x] BufInf = 0x%p\n", @@ -1427,70 +1526,16 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, pr_err("Receive CRC Error\n"); } else { /* get receive length */ - /* length convert[-3] */ - length = (rx_desc->rx_words_eob) - 3; - - /* Decide the data conversion method */ - if (!(netdev->features & NETIF_F_RXCSUM)) { - /* [Header:14][payload] */ - if (NET_IP_ALIGN) { - /* Because alignment differs, - * the new_skb is newly allocated, - * and data is copied to new_skb.*/ - new_skb = netdev_alloc_skb(netdev, - length + NET_IP_ALIGN); - if (!new_skb) { - /* dorrop error */ - pr_err("New skb allocation " - "Error\n"); - goto dorrop; - } - skb_reserve(new_skb, NET_IP_ALIGN); - memcpy(new_skb->data, skb->data, - length); - skb = new_skb; - } else { - /* DMA buffer is used as SKB as it is.*/ - buffer_info->skb = NULL; - } - } else { - /* [Header:14][padding:2][payload] */ - /* The length includes padding length */ - length = length - PCH_GBE_DMA_PADDING; - if ((length < copybreak) || - (NET_IP_ALIGN != PCH_GBE_DMA_PADDING)) { - /* Because alignment differs, - * the new_skb is newly allocated, - * and data is copied to new_skb. - * Padding data is deleted - * at the time of a copy.*/ - new_skb = netdev_alloc_skb(netdev, - length + NET_IP_ALIGN); - if (!new_skb) { - /* dorrop error */ - pr_err("New skb allocation " - "Error\n"); - goto dorrop; - } - skb_reserve(new_skb, NET_IP_ALIGN); - memcpy(new_skb->data, skb->data, - ETH_HLEN); - memcpy(&new_skb->data[ETH_HLEN], - &skb->data[ETH_HLEN + - PCH_GBE_DMA_PADDING], - length - ETH_HLEN); - skb = new_skb; - } else { - /* Padding data is deleted - * by moving header data.*/ - memmove(&skb->data[PCH_GBE_DMA_PADDING], - &skb->data[0], ETH_HLEN); - skb_reserve(skb, NET_IP_ALIGN); - buffer_info->skb = NULL; - } - } - /* The length includes FCS length */ - length = length - ETH_FCS_LEN; + /* length convert[-3], length includes FCS length */ + length = (rx_desc->rx_words_eob) - 3 - ETH_FCS_LEN; + if (rx_desc->rx_words_eob & 0x02) + length = length - 4; + /* + * buffer_info->rx_buffer: [Header:14][payload] + * skb->data: [Reserve:2][Header:14][payload] + */ + memcpy(skb->data, buffer_info->rx_buffer, length); + /* update status of driver */ adapter->stats.rx_bytes += length; adapter->stats.rx_packets++; @@ -1509,7 +1554,6 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, pr_debug("Receive skb->ip_summed: %d length: %d\n", skb->ip_summed, length); } -dorrop: /* return some buffers to hardware, one at a time is too slow */ if (unlikely(cleaned_count >= PCH_GBE_RX_BUFFER_WRITE)) { pch_gbe_alloc_rx_buffers(adapter, rx_ring, @@ -1714,9 +1758,15 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter) pr_err("Error: can't bring device up\n"); return err; } + 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; + } 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); mod_timer(&adapter->watchdog_timer, jiffies); @@ -1734,6 +1784,7 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter) void pch_gbe_down(struct pch_gbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; + struct pch_gbe_rx_ring *rx_ring = adapter->rx_ring; /* signal that we're down so the interrupt handler does not * reschedule our watchdog timer */ @@ -1752,6 +1803,12 @@ void pch_gbe_down(struct pch_gbe_adapter *adapter) pch_gbe_reset(adapter); pch_gbe_clean_tx_ring(adapter, adapter->tx_ring); pch_gbe_clean_rx_ring(adapter, adapter->rx_ring); + + pci_free_consistent(adapter->pdev, rx_ring->rx_buff_pool_size, + rx_ring->rx_buff_pool, rx_ring->rx_buff_pool_logic); + rx_ring->rx_buff_pool_logic = 0; + rx_ring->rx_buff_pool_size = 0; + rx_ring->rx_buff_pool = NULL; } /** @@ -2004,6 +2061,8 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu) { struct pch_gbe_adapter *adapter = netdev_priv(netdev); int max_frame; + unsigned long old_rx_buffer_len = adapter->rx_buffer_len; + int err; max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || @@ -2018,14 +2077,24 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu) else if (max_frame <= PCH_GBE_FRAME_SIZE_8192) adapter->rx_buffer_len = PCH_GBE_FRAME_SIZE_8192; else - adapter->rx_buffer_len = PCH_GBE_MAX_JUMBO_FRAME_SIZE; - netdev->mtu = new_mtu; - adapter->hw.mac.max_frame_size = max_frame; + adapter->rx_buffer_len = PCH_GBE_MAX_RX_BUFFER_SIZE; - if (netif_running(netdev)) - pch_gbe_reinit_locked(adapter); - else + if (netif_running(netdev)) { + pch_gbe_down(adapter); + err = pch_gbe_up(adapter); + if (err) { + adapter->rx_buffer_len = old_rx_buffer_len; + pch_gbe_up(adapter); + return -ENOMEM; + } else { + netdev->mtu = new_mtu; + adapter->hw.mac.max_frame_size = max_frame; + } + } else { pch_gbe_reset(adapter); + netdev->mtu = new_mtu; + adapter->hw.mac.max_frame_size = max_frame; + } pr_debug("max_frame : %d rx_buffer_len : %d mtu : %d max_frame_size : %d\n", max_frame, (u32) adapter->rx_buffer_len, netdev->mtu, @@ -2099,33 +2168,39 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget) { struct pch_gbe_adapter *adapter = container_of(napi, struct pch_gbe_adapter, napi); - struct net_device *netdev = adapter->netdev; int work_done = 0; bool poll_end_flag = false; bool cleaned = false; + u32 int_en; pr_debug("budget : %d\n", budget); - /* Keep link state information with original netdev */ - if (!netif_carrier_ok(netdev)) { - poll_end_flag = true; - } else { - cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring); - pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget); + pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget); + cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring); - if (cleaned) - work_done = budget; - /* If no Tx and not enough Rx work done, - * exit the polling mode - */ - if ((work_done < budget) || !netif_running(netdev)) - poll_end_flag = true; - } + if (!cleaned) + work_done = budget; + /* If no Tx and not enough Rx work done, + * exit the polling mode + */ + if (work_done < budget) + poll_end_flag = true; 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); + } pr_debug("poll_end_flag : %d work_done : %d budget : %d\n", poll_end_flag, work_done, budget); @@ -2452,6 +2527,13 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = { .class = (PCI_CLASS_NETWORK_ETHERNET << 8), .class_mask = (0xFFFF00) }, + {.vendor = PCI_VENDOR_ID_ROHM, + .device = PCI_DEVICE_ID_ROHM_ML7831_GBE, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .class = (PCI_CLASS_NETWORK_ETHERNET << 8), + .class_mask = (0xFFFF00) + }, /* required last entry */ {0} }; diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index cb6e0b486b1..edd7304773e 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -589,7 +589,7 @@ static void decode_rxts(struct dp83640_private *dp83640, prune_rx_ts(dp83640); if (list_empty(&dp83640->rxpool)) { - pr_warning("dp83640: rx timestamp pool is empty\n"); + pr_debug("dp83640: rx timestamp pool is empty\n"); goto out; } rxts = list_first_entry(&dp83640->rxpool, struct rxts, list); @@ -612,7 +612,7 @@ static void decode_txts(struct dp83640_private *dp83640, skb = skb_dequeue(&dp83640->tx_queue); if (!skb) { - pr_warning("dp83640: have timestamp but tx_queue empty\n"); + pr_debug("dp83640: have timestamp but tx_queue empty\n"); return; } ns = phy2txts(phy_txts); diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 10e5d985afa..edfa15d2e79 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -1465,7 +1465,12 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb) continue; } - mtu = pch->chan->mtu - hdrlen; + /* + * hdrlen includes the 2-byte PPP protocol field, but the + * MTU counts only the payload excluding the protocol field. + * (RFC1661 Section 2) + */ + mtu = pch->chan->mtu - (hdrlen - 2); if (mtu < 4) mtu = 4; if (flen > mtu) diff --git a/drivers/net/pxa168_eth.c b/drivers/net/pxa168_eth.c index 1a3033d8e7e..d17d0624c5e 100644 --- a/drivers/net/pxa168_eth.c +++ b/drivers/net/pxa168_eth.c @@ -40,6 +40,7 @@ #include <linux/clk.h> #include <linux/phy.h> #include <linux/io.h> +#include <linux/interrupt.h> #include <linux/types.h> #include <asm/pgtable.h> #include <asm/system.h> diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 02339b3352e..c2366701792 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -407,6 +407,7 @@ enum rtl_register_content { RxOK = 0x0001, /* RxStatusDesc */ + RxBOVF = (1 << 24), RxFOVF = (1 << 23), RxRWT = (1 << 22), RxRES = (1 << 21), @@ -682,6 +683,7 @@ struct rtl8169_private { struct mii_if_info mii; struct rtl8169_counters counters; u32 saved_wolopts; + u32 opts1_mask; struct rtl_fw { const struct firmware *fw; @@ -710,6 +712,7 @@ MODULE_FIRMWARE(FIRMWARE_8168D_1); MODULE_FIRMWARE(FIRMWARE_8168D_2); MODULE_FIRMWARE(FIRMWARE_8168E_1); MODULE_FIRMWARE(FIRMWARE_8168E_2); +MODULE_FIRMWARE(FIRMWARE_8168E_3); MODULE_FIRMWARE(FIRMWARE_8105E_1); static int rtl8169_open(struct net_device *dev); @@ -3077,6 +3080,14 @@ static void rtl8169_phy_reset(struct net_device *dev, netif_err(tp, link, dev, "PHY reset failed\n"); } +static bool rtl_tbi_enabled(struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + + return (tp->mac_version == RTL_GIGA_MAC_VER_01) && + (RTL_R8(PHYstatus) & TBI_Enable); +} + static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) { void __iomem *ioaddr = tp->mmio_addr; @@ -3109,7 +3120,7 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full : 0)); - if (RTL_R8(PHYstatus) & TBI_Enable) + if (rtl_tbi_enabled(tp)) netif_info(tp, link, dev, "TBI auto-negotiating\n"); } @@ -3319,9 +3330,16 @@ static void r810x_phy_power_up(struct rtl8169_private *tp) static void r810x_pll_power_down(struct rtl8169_private *tp) { + void __iomem *ioaddr = tp->mmio_addr; + if (__rtl8169_get_wol(tp) & WAKE_ANY) { rtl_writephy(tp, 0x1f, 0x0000); rtl_writephy(tp, MII_BMCR, 0x0000); + + if (tp->mac_version == RTL_GIGA_MAC_VER_29 || + tp->mac_version == RTL_GIGA_MAC_VER_30) + RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast | + AcceptMulticast | AcceptMyPhys); return; } @@ -3417,7 +3435,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp) rtl_writephy(tp, MII_BMCR, 0x0000); if (tp->mac_version == RTL_GIGA_MAC_VER_32 || - tp->mac_version == RTL_GIGA_MAC_VER_33) + tp->mac_version == RTL_GIGA_MAC_VER_33 || + tp->mac_version == RTL_GIGA_MAC_VER_34) RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast | AcceptMulticast | AcceptMyPhys); return; @@ -3727,8 +3746,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->features |= rtl_try_msi(pdev, ioaddr, cfg); RTL_W8(Cfg9346, Cfg9346_Lock); - if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) && - (RTL_R8(PHYstatus) & TBI_Enable)) { + if (rtl_tbi_enabled(tp)) { tp->set_speed = rtl8169_set_speed_tbi; tp->get_settings = rtl8169_gset_tbi; tp->phy_reset_enable = rtl8169_tbi_reset_enable; @@ -3777,6 +3795,9 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->intr_event = cfg->intr_event; tp->napi_event = cfg->napi_event; + tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ? + ~(RxBOVF | RxFOVF) : ~0; + init_timer(&tp->timer); tp->timer.data = (unsigned long) dev; tp->timer.function = rtl8169_phy_timer; @@ -3988,6 +4009,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp) while (RTL_R8(TxPoll) & NPQ) udelay(20); } else if (tp->mac_version == RTL_GIGA_MAC_VER_34) { + RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq); while (!(RTL_R32(TxConfig) & TXCFG_EMPTY)) udelay(100); } else { @@ -5314,7 +5336,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev, u32 status; rmb(); - status = le32_to_cpu(desc->opts1); + status = le32_to_cpu(desc->opts1) & tp->opts1_mask; if (status & DescOwn) break; diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index faca764aa21..b59abc706d9 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -1050,7 +1050,6 @@ static int efx_init_io(struct efx_nic *efx) { struct pci_dev *pci_dev = efx->pci_dev; dma_addr_t dma_mask = efx->type->max_dma_mask; - bool use_wc; int rc; netif_dbg(efx, probe, efx->net_dev, "initialising I/O\n"); @@ -1101,21 +1100,8 @@ static int efx_init_io(struct efx_nic *efx) rc = -EIO; goto fail3; } - - /* bug22643: If SR-IOV is enabled then tx push over a write combined - * mapping is unsafe. We need to disable write combining in this case. - * MSI is unsupported when SR-IOV is enabled, and the firmware will - * have removed the MSI capability. So write combining is safe if - * there is an MSI capability. - */ - use_wc = (!EFX_WORKAROUND_22643(efx) || - pci_find_capability(pci_dev, PCI_CAP_ID_MSI)); - if (use_wc) - efx->membase = ioremap_wc(efx->membase_phys, - efx->type->mem_map_size); - else - efx->membase = ioremap_nocache(efx->membase_phys, - efx->type->mem_map_size); + efx->membase = ioremap_nocache(efx->membase_phys, + efx->type->mem_map_size); if (!efx->membase) { netif_err(efx, probe, efx->net_dev, "could not map memory BAR at %llx+%x\n", diff --git a/drivers/net/sfc/io.h b/drivers/net/sfc/io.h index cc978803d48..751d1ec112c 100644 --- a/drivers/net/sfc/io.h +++ b/drivers/net/sfc/io.h @@ -103,7 +103,6 @@ static inline void efx_writeo(struct efx_nic *efx, efx_oword_t *value, _efx_writed(efx, value->u32[2], reg + 8); _efx_writed(efx, value->u32[3], reg + 12); #endif - wmb(); mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } @@ -126,7 +125,6 @@ static inline void efx_sram_writeq(struct efx_nic *efx, void __iomem *membase, __raw_writel((__force u32)value->u32[0], membase + addr); __raw_writel((__force u32)value->u32[1], membase + addr + 4); #endif - wmb(); mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } @@ -141,7 +139,6 @@ static inline void efx_writed(struct efx_nic *efx, efx_dword_t *value, /* No lock required */ _efx_writed(efx, value->u32[0], reg); - wmb(); } /* Read a 128-bit CSR, locking as appropriate. */ @@ -152,7 +149,6 @@ static inline void efx_reado(struct efx_nic *efx, efx_oword_t *value, spin_lock_irqsave(&efx->biu_lock, flags); value->u32[0] = _efx_readd(efx, reg + 0); - rmb(); value->u32[1] = _efx_readd(efx, reg + 4); value->u32[2] = _efx_readd(efx, reg + 8); value->u32[3] = _efx_readd(efx, reg + 12); @@ -175,7 +171,6 @@ static inline void efx_sram_readq(struct efx_nic *efx, void __iomem *membase, value->u64[0] = (__force __le64)__raw_readq(membase + addr); #else value->u32[0] = (__force __le32)__raw_readl(membase + addr); - rmb(); value->u32[1] = (__force __le32)__raw_readl(membase + addr + 4); #endif spin_unlock_irqrestore(&efx->biu_lock, flags); @@ -249,7 +244,6 @@ static inline void _efx_writeo_page(struct efx_nic *efx, efx_oword_t *value, _efx_writed(efx, value->u32[2], reg + 8); _efx_writed(efx, value->u32[3], reg + 12); #endif - wmb(); } #define efx_writeo_page(efx, value, reg, page) \ _efx_writeo_page(efx, value, \ diff --git a/drivers/net/sfc/mcdi.c b/drivers/net/sfc/mcdi.c index 3dd45ed61f0..81a42539746 100644 --- a/drivers/net/sfc/mcdi.c +++ b/drivers/net/sfc/mcdi.c @@ -50,20 +50,6 @@ static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx) return &nic_data->mcdi; } -static inline void -efx_mcdi_readd(struct efx_nic *efx, efx_dword_t *value, unsigned reg) -{ - struct siena_nic_data *nic_data = efx->nic_data; - value->u32[0] = (__force __le32)__raw_readl(nic_data->mcdi_smem + reg); -} - -static inline void -efx_mcdi_writed(struct efx_nic *efx, const efx_dword_t *value, unsigned reg) -{ - struct siena_nic_data *nic_data = efx->nic_data; - __raw_writel((__force u32)value->u32[0], nic_data->mcdi_smem + reg); -} - void efx_mcdi_init(struct efx_nic *efx) { struct efx_mcdi_iface *mcdi; @@ -84,8 +70,8 @@ static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd, const u8 *inbuf, size_t inlen) { struct efx_mcdi_iface *mcdi = efx_mcdi(efx); - unsigned pdu = MCDI_PDU(efx); - unsigned doorbell = MCDI_DOORBELL(efx); + unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); + unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx); unsigned int i; efx_dword_t hdr; u32 xflags, seqno; @@ -106,28 +92,29 @@ static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd, MCDI_HEADER_SEQ, seqno, MCDI_HEADER_XFLAGS, xflags); - efx_mcdi_writed(efx, &hdr, pdu); + efx_writed(efx, &hdr, pdu); for (i = 0; i < inlen; i += 4) - efx_mcdi_writed(efx, (const efx_dword_t *)(inbuf + i), - pdu + 4 + i); + _efx_writed(efx, *((__le32 *)(inbuf + i)), pdu + 4 + i); + + /* Ensure the payload is written out before the header */ + wmb(); /* ring the doorbell with a distinctive value */ - EFX_POPULATE_DWORD_1(hdr, EFX_DWORD_0, 0x45789abc); - efx_mcdi_writed(efx, &hdr, doorbell); + _efx_writed(efx, (__force __le32) 0x45789abc, doorbell); } static void efx_mcdi_copyout(struct efx_nic *efx, u8 *outbuf, size_t outlen) { struct efx_mcdi_iface *mcdi = efx_mcdi(efx); - unsigned int pdu = MCDI_PDU(efx); + unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); int i; BUG_ON(atomic_read(&mcdi->state) == MCDI_STATE_QUIESCENT); BUG_ON(outlen & 3 || outlen >= 0x100); for (i = 0; i < outlen; i += 4) - efx_mcdi_readd(efx, (efx_dword_t *)(outbuf + i), pdu + 4 + i); + *((__le32 *)(outbuf + i)) = _efx_readd(efx, pdu + 4 + i); } static int efx_mcdi_poll(struct efx_nic *efx) @@ -135,7 +122,7 @@ static int efx_mcdi_poll(struct efx_nic *efx) struct efx_mcdi_iface *mcdi = efx_mcdi(efx); unsigned int time, finish; unsigned int respseq, respcmd, error; - unsigned int pdu = MCDI_PDU(efx); + unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); unsigned int rc, spins; efx_dword_t reg; @@ -161,7 +148,8 @@ static int efx_mcdi_poll(struct efx_nic *efx) time = get_seconds(); - efx_mcdi_readd(efx, ®, pdu); + rmb(); + efx_readd(efx, ®, pdu); /* All 1's indicates that shared memory is in reset (and is * not a valid header). Wait for it to come out reset before @@ -188,7 +176,7 @@ static int efx_mcdi_poll(struct efx_nic *efx) respseq, mcdi->seqno); rc = EIO; } else if (error) { - efx_mcdi_readd(efx, ®, pdu + 4); + efx_readd(efx, ®, pdu + 4); switch (EFX_DWORD_FIELD(reg, EFX_DWORD_0)) { #define TRANSLATE_ERROR(name) \ case MC_CMD_ERR_ ## name: \ @@ -222,21 +210,21 @@ out: /* Test and clear MC-rebooted flag for this port/function */ int efx_mcdi_poll_reboot(struct efx_nic *efx) { - unsigned int addr = MCDI_REBOOT_FLAG(efx); + unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_REBOOT_FLAG(efx); efx_dword_t reg; uint32_t value; if (efx_nic_rev(efx) < EFX_REV_SIENA_A0) return false; - efx_mcdi_readd(efx, ®, addr); + efx_readd(efx, ®, addr); value = EFX_DWORD_FIELD(reg, EFX_DWORD_0); if (value == 0) return 0; EFX_ZERO_DWORD(reg); - efx_mcdi_writed(efx, ®, addr); + efx_writed(efx, ®, addr); if (value == MC_STATUS_DWORD_ASSERT) return -EINTR; diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c index bafa23a6874..3edfbaf5f02 100644 --- a/drivers/net/sfc/nic.c +++ b/drivers/net/sfc/nic.c @@ -1936,13 +1936,6 @@ void efx_nic_get_regs(struct efx_nic *efx, void *buf) size = min_t(size_t, table->step, 16); - if (table->offset >= efx->type->mem_map_size) { - /* No longer mapped; return dummy data */ - memcpy(buf, "\xde\xc0\xad\xde", 4); - buf += table->rows * size; - continue; - } - for (i = 0; i < table->rows; i++) { switch (table->step) { case 4: /* 32-bit register or SRAM */ diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h index 4bd1f2839df..7443f99c977 100644 --- a/drivers/net/sfc/nic.h +++ b/drivers/net/sfc/nic.h @@ -143,12 +143,10 @@ static inline struct falcon_board *falcon_board(struct efx_nic *efx) /** * struct siena_nic_data - Siena NIC state * @mcdi: Management-Controller-to-Driver Interface - * @mcdi_smem: MCDI shared memory mapping. The mapping is always uncacheable. * @wol_filter_id: Wake-on-LAN packet filter id */ struct siena_nic_data { struct efx_mcdi_iface mcdi; - void __iomem *mcdi_smem; int wol_filter_id; }; diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c index 5735e84c69d..2c3bd93fab5 100644 --- a/drivers/net/sfc/siena.c +++ b/drivers/net/sfc/siena.c @@ -250,26 +250,12 @@ static int siena_probe_nic(struct efx_nic *efx) efx_reado(efx, ®, FR_AZ_CS_DEBUG); efx->net_dev->dev_id = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1; - /* Initialise MCDI */ - nic_data->mcdi_smem = ioremap_nocache(efx->membase_phys + - FR_CZ_MC_TREG_SMEM, - FR_CZ_MC_TREG_SMEM_STEP * - FR_CZ_MC_TREG_SMEM_ROWS); - if (!nic_data->mcdi_smem) { - netif_err(efx, probe, efx->net_dev, - "could not map MCDI at %llx+%x\n", - (unsigned long long)efx->membase_phys + - FR_CZ_MC_TREG_SMEM, - FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS); - rc = -ENOMEM; - goto fail1; - } efx_mcdi_init(efx); /* Recover from a failed assertion before probing */ rc = efx_mcdi_handle_assertion(efx); if (rc) - goto fail2; + goto fail1; /* Let the BMC know that the driver is now in charge of link and * filter settings. We must do this before we reset the NIC */ @@ -324,7 +310,6 @@ fail4: fail3: efx_mcdi_drv_attach(efx, false, NULL); fail2: - iounmap(nic_data->mcdi_smem); fail1: kfree(efx->nic_data); return rc; @@ -404,8 +389,6 @@ static int siena_init_nic(struct efx_nic *efx) static void siena_remove_nic(struct efx_nic *efx) { - struct siena_nic_data *nic_data = efx->nic_data; - efx_nic_free_buffer(efx, &efx->irq_status); siena_reset_hw(efx, RESET_TYPE_ALL); @@ -415,8 +398,7 @@ static void siena_remove_nic(struct efx_nic *efx) efx_mcdi_drv_attach(efx, false, NULL); /* Tear down the private nic state */ - iounmap(nic_data->mcdi_smem); - kfree(nic_data); + kfree(efx->nic_data); efx->nic_data = NULL; } @@ -656,7 +638,8 @@ const struct efx_nic_type siena_a0_nic_type = { .default_mac_ops = &efx_mcdi_mac_operations, .revision = EFX_REV_SIENA_A0, - .mem_map_size = FR_CZ_MC_TREG_SMEM, /* MC_TREG_SMEM mapped separately */ + .mem_map_size = (FR_CZ_MC_TREG_SMEM + + FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS), .txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL, .rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL, .buf_tbl_base = FR_BZ_BUF_FULL_TBL, diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h index 99ff11400ce..e4dd3a7f304 100644 --- a/drivers/net/sfc/workarounds.h +++ b/drivers/net/sfc/workarounds.h @@ -38,8 +38,6 @@ #define EFX_WORKAROUND_15783 EFX_WORKAROUND_ALWAYS /* Legacy interrupt storm when interrupt fifo fills */ #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA -/* Write combining and sriov=enabled are incompatible */ -#define EFX_WORKAROUND_22643 EFX_WORKAROUND_SIENA /* Spurious parity errors in TSORT buffers */ #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index dc3fbf61910..4a1374df608 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -6234,12 +6234,10 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) } } -#ifdef BCM_KERNEL_SUPPORTS_8021Q if (vlan_tx_tag_present(skb)) { base_flags |= TXD_FLAG_VLAN; vlan = vlan_tx_tag_get(skb); } -#endif if (tg3_flag(tp, USE_JUMBO_BDFLAG) && !mss && skb->len > VLAN_ETH_FRAME_LEN) diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 15772b1b6a9..13c1f044b40 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -59,6 +59,7 @@ #define USB_PRODUCT_IPHONE_3G 0x1292 #define USB_PRODUCT_IPHONE_3GS 0x1294 #define USB_PRODUCT_IPHONE_4 0x1297 +#define USB_PRODUCT_IPHONE_4_VZW 0x129c #define IPHETH_USBINTF_CLASS 255 #define IPHETH_USBINTF_SUBCLASS 253 @@ -98,6 +99,10 @@ static struct usb_device_id ipheth_table[] = { USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4, IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS, IPHETH_USBINTF_PROTO) }, + { USB_DEVICE_AND_INTERFACE_INFO( + USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4_VZW, + IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS, + IPHETH_USBINTF_PROTO) }, { } }; MODULE_DEVICE_TABLE(usb, ipheth_table); diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index 2d4c0910295..2d394af8217 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -41,7 +41,8 @@ static bool ar9002_hw_is_cal_supported(struct ath_hw *ah, case ADC_DC_CAL: /* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */ if (!IS_CHAN_B(chan) && - !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan))) + !((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) && + IS_CHAN_HT20(chan))) supported = true; break; } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h index 2339728a730..3e69c631ebb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h @@ -1514,7 +1514,7 @@ static const u32 ar9300_2p2_mac_core[][2] = { {0x00008258, 0x00000000}, {0x0000825c, 0x40000000}, {0x00008260, 0x00080922}, - {0x00008264, 0x9bc00010}, + {0x00008264, 0x9d400010}, {0x00008268, 0xffffffff}, {0x0000826c, 0x0000ffff}, {0x00008270, 0x00000000}, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 1baca8e4715..fcafec0605f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -671,7 +671,7 @@ static int ar9003_hw_process_ini(struct ath_hw *ah, REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex, regWrites); - if (AR_SREV_9300(ah)) + if (AR_SREV_9330(ah)) REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites); if (AR_SREV_9340(ah) && !ah->is_clk_25mhz) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 6530694a59a..722967b86cf 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -2303,6 +2303,12 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop) mutex_lock(&sc->mutex); cancel_delayed_work_sync(&sc->tx_complete_work); + if (ah->ah_flags & AH_UNPLUGGED) { + ath_dbg(common, ATH_DBG_ANY, "Device has been unplugged!\n"); + mutex_unlock(&sc->mutex); + return; + } + if (sc->sc_flags & SC_OP_INVALID) { ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); mutex_unlock(&sc->mutex); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 9a4850154fb..4c21f8cbdeb 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -205,14 +205,22 @@ static void ath_rx_remove_buffer(struct ath_softc *sc, static void ath_rx_edma_cleanup(struct ath_softc *sc) { + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); struct ath_buf *bf; ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_LP); ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_HP); list_for_each_entry(bf, &sc->rx.rxbuf, list) { - if (bf->bf_mpdu) + if (bf->bf_mpdu) { + dma_unmap_single(sc->dev, bf->bf_buf_addr, + common->rx_bufsize, + DMA_BIDIRECTIONAL); dev_kfree_skb_any(bf->bf_mpdu); + bf->bf_buf_addr = 0; + bf->bf_mpdu = NULL; + } } INIT_LIST_HEAD(&sc->rx.rxbuf); diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 26f1ab840cc..e293a7921bf 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1632,7 +1632,8 @@ static void handle_irq_beacon(struct b43_wldev *dev) u32 cmd, beacon0_valid, beacon1_valid; if (!b43_is_mode(wl, NL80211_IFTYPE_AP) && - !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) + !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) && + !b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) return; /* This is the bottom half of the asynchronous beacon update. */ diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 3774dd03474..ef9ad79d1bf 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -1903,15 +1903,17 @@ static void ipw2100_down(struct ipw2100_priv *priv) static int ipw2100_net_init(struct net_device *dev) { struct ipw2100_priv *priv = libipw_priv(dev); + + return ipw2100_up(priv, 1); +} + +static int ipw2100_wdev_init(struct net_device *dev) +{ + struct ipw2100_priv *priv = libipw_priv(dev); const struct libipw_geo *geo = libipw_get_geo(priv->ieee); struct wireless_dev *wdev = &priv->ieee->wdev; - int ret; int i; - ret = ipw2100_up(priv, 1); - if (ret) - return ret; - memcpy(wdev->wiphy->perm_addr, priv->mac_addr, ETH_ALEN); /* fill-out priv->ieee->bg_band */ @@ -6350,9 +6352,13 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, "Error calling register_netdev.\n"); goto fail; } + registered = 1; + + err = ipw2100_wdev_init(dev); + if (err) + goto fail; mutex_lock(&priv->action_mutex); - registered = 1; IPW_DEBUG_INFO("%s: Bound to %s\n", dev->name, pci_name(pci_dev)); @@ -6389,7 +6395,8 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, fail_unlock: mutex_unlock(&priv->action_mutex); - + wiphy_unregister(priv->ieee->wdev.wiphy); + kfree(priv->ieee->bg_band.channels); fail: if (dev) { if (registered) diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index 87813c33bdc..4ffebede5e0 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -11425,16 +11425,23 @@ static void ipw_bg_down(struct work_struct *work) /* Called by register_netdev() */ static int ipw_net_init(struct net_device *dev) { + int rc = 0; + struct ipw_priv *priv = libipw_priv(dev); + + mutex_lock(&priv->mutex); + if (ipw_up(priv)) + rc = -EIO; + mutex_unlock(&priv->mutex); + + return rc; +} + +static int ipw_wdev_init(struct net_device *dev) +{ int i, rc = 0; struct ipw_priv *priv = libipw_priv(dev); const struct libipw_geo *geo = libipw_get_geo(priv->ieee); struct wireless_dev *wdev = &priv->ieee->wdev; - mutex_lock(&priv->mutex); - - if (ipw_up(priv)) { - rc = -EIO; - goto out; - } memcpy(wdev->wiphy->perm_addr, priv->mac_addr, ETH_ALEN); @@ -11519,13 +11526,9 @@ static int ipw_net_init(struct net_device *dev) set_wiphy_dev(wdev->wiphy, &priv->pci_dev->dev); /* With that information in place, we can now register the wiphy... */ - if (wiphy_register(wdev->wiphy)) { + if (wiphy_register(wdev->wiphy)) rc = -EIO; - goto out; - } - out: - mutex_unlock(&priv->mutex); return rc; } @@ -11832,14 +11835,22 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev, goto out_remove_sysfs; } + err = ipw_wdev_init(net_dev); + if (err) { + IPW_ERROR("failed to register wireless device\n"); + goto out_unregister_netdev; + } + #ifdef CONFIG_IPW2200_PROMISCUOUS if (rtap_iface) { err = ipw_prom_alloc(priv); if (err) { IPW_ERROR("Failed to register promiscuous network " "device (error %d).\n", err); - unregister_netdev(priv->net_dev); - goto out_remove_sysfs; + wiphy_unregister(priv->ieee->wdev.wiphy); + kfree(priv->ieee->a_band.channels); + kfree(priv->ieee->bg_band.channels); + goto out_unregister_netdev; } } #endif @@ -11851,6 +11862,8 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev, return 0; + out_unregister_netdev: + unregister_netdev(priv->net_dev); out_remove_sysfs: sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group); out_release_irq: diff --git a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c index 977bd2477c6..164bcae821f 100644 --- a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c @@ -822,12 +822,15 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta, out: - rs_sta->last_txrate_idx = index; - if (sband->band == IEEE80211_BAND_5GHZ) - info->control.rates[0].idx = rs_sta->last_txrate_idx - - IWL_FIRST_OFDM_RATE; - else + if (sband->band == IEEE80211_BAND_5GHZ) { + if (WARN_ON_ONCE(index < IWL_FIRST_OFDM_RATE)) + index = IWL_FIRST_OFDM_RATE; + rs_sta->last_txrate_idx = index; + info->control.rates[0].idx = index - IWL_FIRST_OFDM_RATE; + } else { + rs_sta->last_txrate_idx = index; info->control.rates[0].idx = rs_sta->last_txrate_idx; + } IWL_DEBUG_RATE(priv, "leave: %d\n", index); } diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c index 35cd2537e7f..e5971fe9d16 100644 --- a/drivers/net/wireless/iwlegacy/iwl-core.c +++ b/drivers/net/wireless/iwlegacy/iwl-core.c @@ -937,7 +937,7 @@ void iwl_legacy_irq_handle_error(struct iwl_priv *priv) &priv->contexts[IWL_RXON_CTX_BSS]); #endif - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); /* Keep the restart process from trying to send host * commands by clearing the INIT status bit */ @@ -1746,7 +1746,7 @@ int iwl_legacy_force_reset(struct iwl_priv *priv, bool external) /* Set the FW error flag -- cleared on iwl_down */ set_bit(STATUS_FW_ERROR, &priv->status); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); /* * Keep the restart process from trying to send host * commands by clearing the INIT status bit diff --git a/drivers/net/wireless/iwlegacy/iwl-hcmd.c b/drivers/net/wireless/iwlegacy/iwl-hcmd.c index 62b4b09122c..ce1fc9feb61 100644 --- a/drivers/net/wireless/iwlegacy/iwl-hcmd.c +++ b/drivers/net/wireless/iwlegacy/iwl-hcmd.c @@ -167,7 +167,7 @@ int iwl_legacy_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) goto out; } - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_timeout(priv->wait_command_queue, !test_bit(STATUS_HCMD_ACTIVE, &priv->status), HOST_COMPLETE_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlegacy/iwl-tx.c b/drivers/net/wireless/iwlegacy/iwl-tx.c index 4fff995c6f3..ef9e268bf8a 100644 --- a/drivers/net/wireless/iwlegacy/iwl-tx.c +++ b/drivers/net/wireless/iwlegacy/iwl-tx.c @@ -625,6 +625,8 @@ iwl_legacy_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) cmd = txq->cmd[cmd_index]; meta = &txq->meta[cmd_index]; + txq->time_stamp = jiffies; + pci_unmap_single(priv->pci_dev, dma_unmap_addr(meta, mapping), dma_unmap_len(meta, len), @@ -645,7 +647,7 @@ iwl_legacy_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) clear_bit(STATUS_HCMD_ACTIVE, &priv->status); IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command %s\n", iwl_legacy_get_cmd_string(cmd->hdr.cmd)); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } /* Mark as unmapped */ diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c index 795826a014e..66ee15629a7 100644 --- a/drivers/net/wireless/iwlegacy/iwl3945-base.c +++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c @@ -841,7 +841,7 @@ static void iwl3945_rx_card_state_notif(struct iwl_priv *priv, wiphy_rfkill_set_hw_state(priv->hw->wiphy, test_bit(STATUS_RF_KILL_HW, &priv->status)); else - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } /** @@ -2269,7 +2269,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv) iwl3945_reg_txpower_periodic(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); return; @@ -2300,7 +2300,7 @@ static void __iwl3945_down(struct iwl_priv *priv) iwl_legacy_clear_driver_stations(priv); /* Unblock any waiting calls */ - wake_up_interruptible_all(&priv->wait_command_queue); + wake_up_all(&priv->wait_command_queue); /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ @@ -2853,7 +2853,7 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw) /* Wait for START_ALIVE from ucode. Otherwise callbacks from * mac80211 will not be run successfully. */ - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_timeout(priv->wait_command_queue, test_bit(STATUS_READY, &priv->status), UCODE_READY_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c index 14334668034..aa0c2539761 100644 --- a/drivers/net/wireless/iwlegacy/iwl4965-base.c +++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c @@ -576,7 +576,7 @@ static void iwl4965_rx_card_state_notif(struct iwl_priv *priv, wiphy_rfkill_set_hw_state(priv->hw->wiphy, test_bit(STATUS_RF_KILL_HW, &priv->status)); else - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } /** @@ -926,7 +926,7 @@ static void iwl4965_irq_tasklet(struct iwl_priv *priv) handled |= CSR_INT_BIT_FH_TX; /* Wake up uCode load routine, now that load is complete */ priv->ucode_write_complete = 1; - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } if (inta & ~handled) { @@ -1795,7 +1795,7 @@ static void iwl4965_alive_start(struct iwl_priv *priv) iwl4965_rf_kill_ct_config(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); iwl_legacy_power_update_mode(priv, true); IWL_DEBUG_INFO(priv, "Updated power mode\n"); @@ -1828,7 +1828,7 @@ static void __iwl4965_down(struct iwl_priv *priv) iwl_legacy_clear_driver_stations(priv); /* Unblock any waiting calls */ - wake_up_interruptible_all(&priv->wait_command_queue); + wake_up_all(&priv->wait_command_queue); /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ @@ -2266,7 +2266,7 @@ int iwl4965_mac_start(struct ieee80211_hw *hw) /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from * mac80211 will not be run successfully. */ - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_timeout(priv->wait_command_queue, test_bit(STATUS_READY, &priv->status), UCODE_READY_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index a895a099d08..56211006a18 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -167,7 +167,7 @@ static int iwlagn_set_temperature_offset_calib(struct iwl_priv *priv) memset(&cmd, 0, sizeof(cmd)); iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); - memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(offset_calib)); + memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(*offset_calib)); if (!(cmd.radio_sensor_offset)) cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index b0ae4de7f08..f9c3cd95d61 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2140,7 +2140,12 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS; + /* + * Including the following line will crash some AP's. This + * workaround removes the stimulus which causes the crash until + * the AP software can be fixed. hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + */ hw->flags |= IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index dd6937e9705..77e528f5db8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -405,31 +405,33 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, mutex_lock(&priv->mutex); - if (test_bit(STATUS_SCANNING, &priv->status) && - priv->scan_type != IWL_SCAN_NORMAL) { - IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); - ret = -EAGAIN; - goto out_unlock; - } - - /* mac80211 will only ask for one band at a time */ - priv->scan_request = req; - priv->scan_vif = vif; - /* * If an internal scan is in progress, just set * up the scan_request as per above. */ if (priv->scan_type != IWL_SCAN_NORMAL) { - IWL_DEBUG_SCAN(priv, "SCAN request during internal scan\n"); + IWL_DEBUG_SCAN(priv, + "SCAN request during internal scan - defer\n"); + priv->scan_request = req; + priv->scan_vif = vif; ret = 0; - } else + } else { + priv->scan_request = req; + priv->scan_vif = vif; + /* + * mac80211 will only ask for one band at a time + * so using channels[0] here is ok + */ ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL, req->channels[0]->band); + if (ret) { + priv->scan_request = NULL; + priv->scan_vif = NULL; + } + } IWL_DEBUG_MAC80211(priv, "leave\n"); -out_unlock: mutex_unlock(&priv->mutex); return ret; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c index a6b2b1db0b1..222d410c586 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c @@ -771,6 +771,8 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) cmd = txq->cmd[cmd_index]; meta = &txq->meta[cmd_index]; + txq->time_stamp = jiffies; + iwlagn_unmap_tfd(priv, meta, &txq->tfds[index], DMA_BIDIRECTIONAL); /* Input error checking is done when commands are added to queue. */ diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index ef67f6786a8..0019dfd8fb0 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -3697,14 +3697,15 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i) rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, ®); /* Apparently the data is read from end to start */ - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, - (u32 *)&rt2x00dev->eeprom[i]); - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, - (u32 *)&rt2x00dev->eeprom[i + 2]); - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, - (u32 *)&rt2x00dev->eeprom[i + 4]); - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, - (u32 *)&rt2x00dev->eeprom[i + 6]); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, ®); + /* The returned value is in CPU order, but eeprom is le */ + rt2x00dev->eeprom[i] = cpu_to_le32(reg); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, ®); + *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, ®); + *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, ®); + *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg); mutex_unlock(&rt2x00dev->csr_mutex); } @@ -3870,19 +3871,23 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) return -ENODEV; } - if (!rt2x00_rf(rt2x00dev, RF2820) && - !rt2x00_rf(rt2x00dev, RF2850) && - !rt2x00_rf(rt2x00dev, RF2720) && - !rt2x00_rf(rt2x00dev, RF2750) && - !rt2x00_rf(rt2x00dev, RF3020) && - !rt2x00_rf(rt2x00dev, RF2020) && - !rt2x00_rf(rt2x00dev, RF3021) && - !rt2x00_rf(rt2x00dev, RF3022) && - !rt2x00_rf(rt2x00dev, RF3052) && - !rt2x00_rf(rt2x00dev, RF3320) && - !rt2x00_rf(rt2x00dev, RF5370) && - !rt2x00_rf(rt2x00dev, RF5390)) { - ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); + switch (rt2x00dev->chip.rf) { + case RF2820: + case RF2850: + case RF2720: + case RF2750: + case RF3020: + case RF2020: + case RF3021: + case RF3022: + case RF3052: + case RF3320: + case RF5370: + case RF5390: + break; + default: + ERROR(rt2x00dev, "Invalid RF chipset 0x%x detected.\n", + rt2x00dev->chip.rf); return -ENODEV; } diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index 1bdc1aa305c..04c4e9eb6ee 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -610,6 +610,11 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, mac->link_state = MAC80211_NOLINK; memset(mac->bssid, 0, 6); + + /* reset sec info */ + rtl_cam_reset_sec_info(hw); + + rtl_cam_reset_all_entry(hw); mac->vendor = PEER_UNKNOWN; RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, @@ -1063,6 +1068,9 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, *or clear all entry here. */ rtl_cam_delete_one_entry(hw, mac_addr, key_idx); + + rtl_cam_reset_sec_info(hw); + break; default: RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c index 906e7aa55bc..3e52a549622 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c @@ -549,15 +549,16 @@ void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, (tcb_desc->rts_use_shortpreamble ? 1 : 0) : (tcb_desc->rts_use_shortgi ? 1 : 0))); if (mac->bw_40) { - if (tcb_desc->packet_bw) { + if (rate_flag & IEEE80211_TX_RC_DUP_DATA) { SET_TX_DESC_DATA_BW(txdesc, 1); SET_TX_DESC_DATA_SC(txdesc, 3); + } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){ + SET_TX_DESC_DATA_BW(txdesc, 1); + SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc); } else { SET_TX_DESC_DATA_BW(txdesc, 0); - if (rate_flag & IEEE80211_TX_RC_DUP_DATA) - SET_TX_DESC_DATA_SC(txdesc, - mac->cur_40_prime_sc); - } + SET_TX_DESC_DATA_SC(txdesc, 0); + } } else { SET_TX_DESC_DATA_BW(txdesc, 0); SET_TX_DESC_DATA_SC(txdesc, 0); diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 8b1cef0ffde..4bf3cf457ef 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -863,6 +863,7 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb, u8 tid = 0; u16 seq_number = 0; + memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); if (ieee80211_is_auth(fc)) { RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n")); rtl_ips_nic_on(hw); diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 0ca86f9ec4e..182562952c7 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -327,12 +327,12 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, xenvif_get(vif); rtnl_lock(); - if (netif_running(vif->dev)) - xenvif_up(vif); if (!vif->can_sg && vif->dev->mtu > ETH_DATA_LEN) dev_set_mtu(vif->dev, ETH_DATA_LEN); netdev_update_features(vif->dev); netif_carrier_on(vif->dev); + if (netif_running(vif->dev)) + xenvif_up(vif); rtnl_unlock(); return 0; diff --git a/drivers/pci/hotplug/pcihp_slot.c b/drivers/pci/hotplug/pcihp_slot.c index 753b21aaea6..3ffd9c1acc0 100644 --- a/drivers/pci/hotplug/pcihp_slot.c +++ b/drivers/pci/hotplug/pcihp_slot.c @@ -169,7 +169,9 @@ void pci_configure_slot(struct pci_dev *dev) (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI))) return; - pcie_bus_configure_settings(dev->bus, dev->bus->self->pcie_mpss); + if (dev->bus && dev->bus->self) + pcie_bus_configure_settings(dev->bus, + dev->bus->self->pcie_mpss); memset(&hpp, 0, sizeof(hpp)); ret = pci_get_hp_params(dev, &hpp); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 0ce67423a0a..e9651f0a881 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -77,7 +77,7 @@ unsigned long pci_cardbus_mem_size = DEFAULT_CARDBUS_MEM_SIZE; unsigned long pci_hotplug_io_size = DEFAULT_HOTPLUG_IO_SIZE; unsigned long pci_hotplug_mem_size = DEFAULT_HOTPLUG_MEM_SIZE; -enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_PERFORMANCE; +enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_TUNE_OFF; /* * The default CLS is used if arch didn't set CLS explicitly and not @@ -3568,10 +3568,14 @@ static int __init pci_setup(char *str) pci_hotplug_io_size = memparse(str + 9, &str); } else if (!strncmp(str, "hpmemsize=", 10)) { pci_hotplug_mem_size = memparse(str + 10, &str); + } else if (!strncmp(str, "pcie_bus_tune_off", 17)) { + pcie_bus_config = PCIE_BUS_TUNE_OFF; } else if (!strncmp(str, "pcie_bus_safe", 13)) { pcie_bus_config = PCIE_BUS_SAFE; } else if (!strncmp(str, "pcie_bus_perf", 13)) { pcie_bus_config = PCIE_BUS_PERFORMANCE; + } else if (!strncmp(str, "pcie_bus_peer2peer", 18)) { + pcie_bus_config = PCIE_BUS_PEER2PEER; } else { printk(KERN_ERR "PCI: Unknown option `%s'\n", str); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8473727b29f..6ab6bd3df4b 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1351,7 +1351,8 @@ static int pcie_find_smpss(struct pci_dev *dev, void *data) * will occur as normal. */ if (dev->is_hotplug_bridge && (!list_is_singular(&dev->bus->devices) || - dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT)) + (dev->bus->self && + dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT))) *smpss = 0; if (*smpss > dev->pcie_mpss) @@ -1396,34 +1397,37 @@ static void pcie_write_mps(struct pci_dev *dev, int mps) static void pcie_write_mrrs(struct pci_dev *dev, int mps) { - int rc, mrrs; + int rc, mrrs, dev_mpss; - if (pcie_bus_config == PCIE_BUS_PERFORMANCE) { - int dev_mpss = 128 << dev->pcie_mpss; + /* In the "safe" case, do not configure the MRRS. There appear to be + * issues with setting MRRS to 0 on a number of devices. + */ - /* For Max performance, the MRRS must be set to the largest - * supported value. However, it cannot be configured larger - * than the MPS the device or the bus can support. This assumes - * that the largest MRRS available on the device cannot be - * smaller than the device MPSS. - */ - mrrs = mps < dev_mpss ? mps : dev_mpss; - } else - /* In the "safe" case, configure the MRRS for fairness on the - * bus by making all devices have the same size - */ - mrrs = mps; + if (pcie_bus_config != PCIE_BUS_PERFORMANCE) + return; + dev_mpss = 128 << dev->pcie_mpss; + + /* For Max performance, the MRRS must be set to the largest supported + * value. However, it cannot be configured larger than the MPS the + * device or the bus can support. This assumes that the largest MRRS + * available on the device cannot be smaller than the device MPSS. + */ + mrrs = min(mps, dev_mpss); /* MRRS is a R/W register. Invalid values can be written, but a - * subsiquent read will verify if the value is acceptable or not. + * subsequent read will verify if the value is acceptable or not. * If the MRRS value provided is not acceptable (e.g., too large), * shrink the value until it is acceptable to the HW. */ while (mrrs != pcie_get_readrq(dev) && mrrs >= 128) { + dev_warn(&dev->dev, "Attempting to modify the PCI-E MRRS value" + " to %d. If any issues are encountered, please try " + "running with pci=pcie_bus_safe\n", mrrs); rc = pcie_set_readrq(dev, mrrs); if (rc) - dev_err(&dev->dev, "Failed attempting to set the MRRS\n"); + dev_err(&dev->dev, + "Failed attempting to set the MRRS\n"); mrrs /= 2; } @@ -1436,13 +1440,13 @@ static int pcie_bus_configure_set(struct pci_dev *dev, void *data) if (!pci_is_pcie(dev)) return 0; - dev_info(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n", + dev_dbg(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n", pcie_get_mps(dev), 128<<dev->pcie_mpss, pcie_get_readrq(dev)); pcie_write_mps(dev, mps); pcie_write_mrrs(dev, mps); - dev_info(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n", + dev_dbg(&dev->dev, "Dev MPS %d MPSS %d MRRS %d\n", pcie_get_mps(dev), 128<<dev->pcie_mpss, pcie_get_readrq(dev)); return 0; @@ -1454,15 +1458,24 @@ static int pcie_bus_configure_set(struct pci_dev *dev, void *data) */ void pcie_bus_configure_settings(struct pci_bus *bus, u8 mpss) { - u8 smpss = mpss; + u8 smpss; - if (!bus->self) + if (!pci_is_pcie(bus->self)) return; - if (!pci_is_pcie(bus->self)) + if (pcie_bus_config == PCIE_BUS_TUNE_OFF) return; + /* FIXME - Peer to peer DMA is possible, though the endpoint would need + * to be aware to the MPS of the destination. To work around this, + * simply force the MPS of the entire system to the smallest possible. + */ + if (pcie_bus_config == PCIE_BUS_PEER2PEER) + smpss = 0; + if (pcie_bus_config == PCIE_BUS_SAFE) { + smpss = mpss; + pcie_find_smpss(bus->self, &smpss); pci_walk_bus(bus, pcie_find_smpss, &smpss); } diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c index 335551d333b..14a42a1edc6 100644 --- a/drivers/rtc/rtc-ep93xx.c +++ b/drivers/rtc/rtc-ep93xx.c @@ -36,6 +36,7 @@ */ struct ep93xx_rtc { void __iomem *mmio_base; + struct rtc_device *rtc; }; static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload, @@ -130,7 +131,6 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev) { struct ep93xx_rtc *ep93xx_rtc; struct resource *res; - struct rtc_device *rtc; int err; ep93xx_rtc = devm_kzalloc(&pdev->dev, sizeof(*ep93xx_rtc), GFP_KERNEL); @@ -151,12 +151,12 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev) return -ENXIO; pdev->dev.platform_data = ep93xx_rtc; - platform_set_drvdata(pdev, rtc); + platform_set_drvdata(pdev, ep93xx_rtc); - rtc = rtc_device_register(pdev->name, + ep93xx_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, &ep93xx_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - err = PTR_ERR(rtc); + if (IS_ERR(ep93xx_rtc->rtc)) { + err = PTR_ERR(ep93xx_rtc->rtc); goto exit; } @@ -167,7 +167,7 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev) return 0; fail: - rtc_device_unregister(rtc); + rtc_device_unregister(ep93xx_rtc->rtc); exit: platform_set_drvdata(pdev, NULL); pdev->dev.platform_data = NULL; @@ -176,11 +176,11 @@ exit: static int __exit ep93xx_rtc_remove(struct platform_device *pdev) { - struct rtc_device *rtc = platform_get_drvdata(pdev); + struct ep93xx_rtc *ep93xx_rtc = platform_get_drvdata(pdev); sysfs_remove_group(&pdev->dev.kobj, &ep93xx_rtc_sysfs_files); platform_set_drvdata(pdev, NULL); - rtc_device_unregister(rtc); + rtc_device_unregister(ep93xx_rtc->rtc); pdev->dev.platform_data = NULL; return 0; diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c index 2dd3c016327..d93a9608b1f 100644 --- a/drivers/rtc/rtc-imxdi.c +++ b/drivers/rtc/rtc-imxdi.c @@ -35,6 +35,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/rtc.h> +#include <linux/sched.h> #include <linux/workqueue.h> /* DryIce Register Definitions */ diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c index 075f1708dea..c4cf0573111 100644 --- a/drivers/rtc/rtc-lib.c +++ b/drivers/rtc/rtc-lib.c @@ -85,6 +85,8 @@ void rtc_time_to_tm(unsigned long time, struct rtc_time *tm) time -= tm->tm_hour * 3600; tm->tm_min = time / 60; tm->tm_sec = time - tm->tm_min * 60; + + tm->tm_isdst = 0; } EXPORT_SYMBOL(rtc_time_to_tm); diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 4e7c04e773e..7639ab906f0 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -51,6 +51,27 @@ static enum s3c_cpu_type s3c_rtc_cpu_type; static DEFINE_SPINLOCK(s3c_rtc_pie_lock); +static void s3c_rtc_alarm_clk_enable(bool enable) +{ + static DEFINE_SPINLOCK(s3c_rtc_alarm_clk_lock); + static bool alarm_clk_enabled; + unsigned long irq_flags; + + spin_lock_irqsave(&s3c_rtc_alarm_clk_lock, irq_flags); + if (enable) { + if (!alarm_clk_enabled) { + clk_enable(rtc_clk); + alarm_clk_enabled = true; + } + } else { + if (alarm_clk_enabled) { + clk_disable(rtc_clk); + alarm_clk_enabled = false; + } + } + spin_unlock_irqrestore(&s3c_rtc_alarm_clk_lock, irq_flags); +} + /* IRQ Handlers */ static irqreturn_t s3c_rtc_alarmirq(int irq, void *id) @@ -64,6 +85,9 @@ static irqreturn_t s3c_rtc_alarmirq(int irq, void *id) writeb(S3C2410_INTP_ALM, s3c_rtc_base + S3C2410_INTP); clk_disable(rtc_clk); + + s3c_rtc_alarm_clk_enable(false); + return IRQ_HANDLED; } @@ -97,6 +121,8 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled) writeb(tmp, s3c_rtc_base + S3C2410_RTCALM); clk_disable(rtc_clk); + s3c_rtc_alarm_clk_enable(enabled); + return 0; } diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 9a81f778d6b..20687d55e7a 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -362,14 +362,6 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc) int res; u8 rd_reg; -#ifdef CONFIG_LOCKDEP - /* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which - * we don't want and can't tolerate. Although it might be - * friendlier not to borrow this thread context... - */ - local_irq_enable(); -#endif - res = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG); if (res) goto out; @@ -428,24 +420,12 @@ static struct rtc_class_ops twl_rtc_ops = { static int __devinit twl_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; - int ret = 0; + int ret = -EINVAL; int irq = platform_get_irq(pdev, 0); u8 rd_reg; if (irq <= 0) - return -EINVAL; - - rtc = rtc_device_register(pdev->name, - &pdev->dev, &twl_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - ret = PTR_ERR(rtc); - dev_err(&pdev->dev, "can't register RTC device, err %ld\n", - PTR_ERR(rtc)); - goto out0; - - } - - platform_set_drvdata(pdev, rtc); + goto out1; ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG); if (ret < 0) @@ -462,14 +442,6 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev) if (ret < 0) goto out1; - ret = request_irq(irq, twl_rtc_interrupt, - IRQF_TRIGGER_RISING, - dev_name(&rtc->dev), rtc); - if (ret < 0) { - dev_err(&pdev->dev, "IRQ is not free.\n"); - goto out1; - } - if (twl_class_is_6030()) { twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK, REG_INT_MSK_LINE_A); @@ -480,28 +452,44 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev) /* Check RTC module status, Enable if it is off */ ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG); if (ret < 0) - goto out2; + goto out1; if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) { dev_info(&pdev->dev, "Enabling TWL-RTC.\n"); rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M; ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG); if (ret < 0) - goto out2; + goto out1; } /* init cached IRQ enable bits */ ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG); if (ret < 0) + goto out1; + + rtc = rtc_device_register(pdev->name, + &pdev->dev, &twl_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + ret = PTR_ERR(rtc); + dev_err(&pdev->dev, "can't register RTC device, err %ld\n", + PTR_ERR(rtc)); + goto out1; + } + + ret = request_threaded_irq(irq, NULL, twl_rtc_interrupt, + IRQF_TRIGGER_RISING, + dev_name(&rtc->dev), rtc); + if (ret < 0) { + dev_err(&pdev->dev, "IRQ is not free.\n"); goto out2; + } - return ret; + platform_set_drvdata(pdev, rtc); + return 0; out2: - free_irq(irq, rtc); -out1: rtc_device_unregister(rtc); -out0: +out1: return ret; } diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index cbde448f994..eb3140ee821 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -654,8 +654,8 @@ static struct io_subchannel_private console_priv; static int console_subchannel_in_use; /* - * Use tpi to get a pending interrupt, call the interrupt handler and - * return a pointer to the subchannel structure. + * Use cio_tpi to get a pending interrupt and call the interrupt handler. + * Return non-zero if an interrupt was processed, zero otherwise. */ static int cio_tpi(void) { @@ -667,6 +667,10 @@ static int cio_tpi(void) tpi_info = (struct tpi_info *)&S390_lowcore.subchannel_id; if (tpi(NULL) != 1) return 0; + if (tpi_info->adapter_IO) { + do_adapter_IO(tpi_info->isc); + return 1; + } irb = (struct irb *)&S390_lowcore.irb; /* Store interrupt response block to lowcore. */ if (tsch(tpi_info->schid, irb) != 0) diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index b7bd5b0cc7a..3868ab2397c 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1800,10 +1800,12 @@ static int twa_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_ switch (retval) { case SCSI_MLQUEUE_HOST_BUSY: twa_free_request_id(tw_dev, request_id); + twa_unmap_scsi_data(tw_dev, request_id); break; case 1: tw_dev->state[request_id] = TW_S_COMPLETED; twa_free_request_id(tw_dev, request_id); + twa_unmap_scsi_data(tw_dev, request_id); SCpnt->result = (DID_ERROR << 16); done(SCpnt); retval = 0; diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 8d9dae89f06..3878b739508 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -837,6 +837,7 @@ config SCSI_ISCI # (temporary): known alpha quality driver depends on EXPERIMENTAL select SCSI_SAS_LIBSAS + select SCSI_SAS_HOST_SMP ---help--- This driver supports the 6Gb/s SAS capabilities of the storage control unit found in the Intel(R) C600 series chipset. diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 3c08f5352b2..6153a66a8a3 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -88,7 +88,7 @@ obj-$(CONFIG_SCSI_QLOGIC_FAS) += qlogicfas408.o qlogicfas.o obj-$(CONFIG_PCMCIA_QLOGIC) += qlogicfas408.o obj-$(CONFIG_SCSI_QLOGIC_1280) += qla1280.o obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx/ -obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx/ +obj-$(CONFIG_SCSI_QLA_ISCSI) += libiscsi.o qla4xxx/ obj-$(CONFIG_SCSI_LPFC) += lpfc/ obj-$(CONFIG_SCSI_BFA_FC) += bfa/ obj-$(CONFIG_SCSI_PAS16) += pas16.o diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e7d0d47b918..e5f2d7d9002 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1283,6 +1283,8 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced) kfree(aac->queues); aac->queues = NULL; free_irq(aac->pdev->irq, aac); + if (aac->msi) + pci_disable_msi(aac->pdev); kfree(aac->fsa_dev); aac->fsa_dev = NULL; quirks = aac_get_driver_ident(index)->quirks; diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 9ae80cd5953..dba72a4e6a1 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -563,7 +563,7 @@ int bnx2i_send_iscsi_nopout(struct bnx2i_conn *bnx2i_conn, nopout_wqe->itt = ((u16)task->itt | (ISCSI_TASK_TYPE_MPATH << ISCSI_TMF_REQUEST_TYPE_SHIFT)); - nopout_wqe->ttt = nopout_hdr->ttt; + nopout_wqe->ttt = be32_to_cpu(nopout_hdr->ttt); nopout_wqe->flags = 0; if (!unsol) nopout_wqe->flags = ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION; diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index bd22041e278..f5864485033 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -913,7 +913,7 @@ static void l2t_put(struct cxgbi_sock *csk) struct t3cdev *t3dev = (struct t3cdev *)csk->cdev->lldev; if (csk->l2t) { - l2t_release(L2DATA(t3dev), csk->l2t); + l2t_release(t3dev, csk->l2t); csk->l2t = NULL; cxgbi_sock_put(csk); } diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index ba710e350ac..5d0e9a24ae9 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -432,6 +432,8 @@ void fcoe_interface_cleanup(struct fcoe_interface *fcoe) u8 flogi_maddr[ETH_ALEN]; const struct net_device_ops *ops; + rtnl_lock(); + /* * Don't listen for Ethernet packets anymore. * synchronize_net() ensures that the packet handlers are not running @@ -461,6 +463,8 @@ void fcoe_interface_cleanup(struct fcoe_interface *fcoe) " specific feature for LLD.\n"); } + rtnl_unlock(); + /* Release the self-reference taken during fcoe_interface_create() */ fcoe_interface_put(fcoe); } @@ -1951,11 +1955,8 @@ static void fcoe_destroy_work(struct work_struct *work) fcoe_if_destroy(port->lport); /* Do not tear down the fcoe interface for NPIV port */ - if (!npiv) { - rtnl_lock(); + if (!npiv) fcoe_interface_cleanup(fcoe); - rtnl_unlock(); - } mutex_unlock(&fcoe_config_mutex); } @@ -2009,8 +2010,9 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode) printk(KERN_ERR "fcoe: Failed to create interface (%s)\n", netdev->name); rc = -EIO; + rtnl_unlock(); fcoe_interface_cleanup(fcoe); - goto out_nodev; + goto out_nortnl; } /* Make this the "master" N_Port */ @@ -2027,6 +2029,7 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode) out_nodev: rtnl_unlock(); +out_nortnl: mutex_unlock(&fcoe_config_mutex); return rc; } diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index ec61bdb833a..b200b736b00 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -676,6 +676,16 @@ static void hpsa_scsi_replace_entry(struct ctlr_info *h, int hostno, BUG_ON(entry < 0 || entry >= HPSA_MAX_SCSI_DEVS_PER_HBA); removed[*nremoved] = h->dev[entry]; (*nremoved)++; + + /* + * New physical devices won't have target/lun assigned yet + * so we need to preserve the values in the slot we are replacing. + */ + if (new_entry->target == -1) { + new_entry->target = h->dev[entry]->target; + new_entry->lun = h->dev[entry]->lun; + } + h->dev[entry] = new_entry; added[*nadded] = new_entry; (*nadded)++; @@ -1548,10 +1558,17 @@ static inline void hpsa_set_bus_target_lun(struct hpsa_scsi_dev_t *device, } static int hpsa_update_device_info(struct ctlr_info *h, - unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device) + unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device, + unsigned char *is_OBDR_device) { -#define OBDR_TAPE_INQ_SIZE 49 + +#define OBDR_SIG_OFFSET 43 +#define OBDR_TAPE_SIG "$DR-10" +#define OBDR_SIG_LEN (sizeof(OBDR_TAPE_SIG) - 1) +#define OBDR_TAPE_INQ_SIZE (OBDR_SIG_OFFSET + OBDR_SIG_LEN) + unsigned char *inq_buff; + unsigned char *obdr_sig; inq_buff = kzalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); if (!inq_buff) @@ -1583,6 +1600,16 @@ static int hpsa_update_device_info(struct ctlr_info *h, else this_device->raid_level = RAID_UNKNOWN; + if (is_OBDR_device) { + /* See if this is a One-Button-Disaster-Recovery device + * by looking for "$DR-10" at offset 43 in inquiry data. + */ + obdr_sig = &inq_buff[OBDR_SIG_OFFSET]; + *is_OBDR_device = (this_device->devtype == TYPE_ROM && + strncmp(obdr_sig, OBDR_TAPE_SIG, + OBDR_SIG_LEN) == 0); + } + kfree(inq_buff); return 0; @@ -1716,7 +1743,7 @@ static int add_msa2xxx_enclosure_device(struct ctlr_info *h, return 0; } - if (hpsa_update_device_info(h, scsi3addr, this_device)) + if (hpsa_update_device_info(h, scsi3addr, this_device, NULL)) return 0; (*nmsa2xxx_enclosures)++; hpsa_set_bus_target_lun(this_device, bus, target, 0); @@ -1808,7 +1835,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) */ struct ReportLUNdata *physdev_list = NULL; struct ReportLUNdata *logdev_list = NULL; - unsigned char *inq_buff = NULL; u32 nphysicals = 0; u32 nlogicals = 0; u32 ndev_allocated = 0; @@ -1824,11 +1850,9 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) GFP_KERNEL); physdev_list = kzalloc(reportlunsize, GFP_KERNEL); logdev_list = kzalloc(reportlunsize, GFP_KERNEL); - inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); tmpdevice = kzalloc(sizeof(*tmpdevice), GFP_KERNEL); - if (!currentsd || !physdev_list || !logdev_list || - !inq_buff || !tmpdevice) { + if (!currentsd || !physdev_list || !logdev_list || !tmpdevice) { dev_err(&h->pdev->dev, "out of memory\n"); goto out; } @@ -1863,7 +1887,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) /* adjust our table of devices */ nmsa2xxx_enclosures = 0; for (i = 0; i < nphysicals + nlogicals + 1; i++) { - u8 *lunaddrbytes; + u8 *lunaddrbytes, is_OBDR = 0; /* Figure out where the LUN ID info is coming from */ lunaddrbytes = figure_lunaddrbytes(h, raid_ctlr_position, @@ -1874,7 +1898,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) continue; /* Get device type, vendor, model, device id */ - if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice)) + if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice, + &is_OBDR)) continue; /* skip it if we can't talk to it. */ figure_bus_target_lun(h, lunaddrbytes, &bus, &target, &lun, tmpdevice); @@ -1898,7 +1923,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) hpsa_set_bus_target_lun(this_device, bus, target, lun); switch (this_device->devtype) { - case TYPE_ROM: { + case TYPE_ROM: /* We don't *really* support actual CD-ROM devices, * just "One Button Disaster Recovery" tape drive * which temporarily pretends to be a CD-ROM drive. @@ -1906,15 +1931,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) * device by checking for "$DR-10" in bytes 43-48 of * the inquiry data. */ - char obdr_sig[7]; -#define OBDR_TAPE_SIG "$DR-10" - strncpy(obdr_sig, &inq_buff[43], 6); - obdr_sig[6] = '\0'; - if (strncmp(obdr_sig, OBDR_TAPE_SIG, 6) != 0) - /* Not OBDR device, ignore it. */ - break; - } - ncurrent++; + if (is_OBDR) + ncurrent++; break; case TYPE_DISK: if (i < nphysicals) @@ -1947,7 +1965,6 @@ out: for (i = 0; i < ndev_allocated; i++) kfree(currentsd[i]); kfree(currentsd); - kfree(inq_buff); kfree(physdev_list); kfree(logdev_list); } diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 26072f1e985..6981b773a88 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -531,6 +531,9 @@ static void sci_controller_process_completions(struct isci_host *ihost) break; case SCU_COMPLETION_TYPE_EVENT: + sci_controller_event_completion(ihost, ent); + break; + case SCU_COMPLETION_TYPE_NOTIFY: { event_cycle ^= ((event_get+1) & SCU_MAX_EVENTS) << (SMU_COMPLETION_QUEUE_GET_EVENT_CYCLE_BIT_SHIFT - SCU_MAX_EVENTS_SHIFT); @@ -1091,6 +1094,7 @@ static void isci_host_completion_routine(unsigned long data) struct isci_request *request; struct isci_request *next_request; struct sas_task *task; + u16 active; INIT_LIST_HEAD(&completed_request_list); INIT_LIST_HEAD(&errored_request_list); @@ -1181,6 +1185,13 @@ static void isci_host_completion_routine(unsigned long data) } } + /* the coalesence timeout doubles at each encoding step, so + * update it based on the ilog2 value of the outstanding requests + */ + active = isci_tci_active(ihost); + writel(SMU_ICC_GEN_VAL(NUMBER, active) | + SMU_ICC_GEN_VAL(TIMER, ISCI_COALESCE_BASE + ilog2(active)), + &ihost->smu_registers->interrupt_coalesce_control); } /** @@ -1471,7 +1482,7 @@ static void sci_controller_ready_state_enter(struct sci_base_state_machine *sm) struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); /* set the default interrupt coalescence number and timeout value. */ - sci_controller_set_interrupt_coalescence(ihost, 0x10, 250); + sci_controller_set_interrupt_coalescence(ihost, 0, 0); } static void sci_controller_ready_state_exit(struct sci_base_state_machine *sm) diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 062101a39f7..9f33831a2f0 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -369,6 +369,9 @@ static inline struct isci_host *dev_to_ihost(struct domain_device *dev) #define ISCI_TAG_SEQ(tag) (((tag) >> 12) & (SCI_MAX_SEQ-1)) #define ISCI_TAG_TCI(tag) ((tag) & (SCI_MAX_IO_REQUESTS-1)) +/* interrupt coalescing baseline: 9 == 3 to 5us interrupt delay per command */ +#define ISCI_COALESCE_BASE 9 + /* expander attached sata devices require 3 rnc slots */ static inline int sci_remote_device_node_count(struct isci_remote_device *idev) { diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 61e0d09e2b5..29aa34efb0f 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -59,10 +59,19 @@ #include <linux/firmware.h> #include <linux/efi.h> #include <asm/string.h> +#include <scsi/scsi_host.h> #include "isci.h" #include "task.h" #include "probe_roms.h" +#define MAJ 1 +#define MIN 0 +#define BUILD 0 +#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \ + __stringify(BUILD) + +MODULE_VERSION(DRV_VERSION); + static struct scsi_transport_template *isci_transport_template; static DEFINE_PCI_DEVICE_TABLE(isci_id_table) = { @@ -113,6 +122,22 @@ unsigned char max_concurr_spinup = 1; module_param(max_concurr_spinup, byte, 0); MODULE_PARM_DESC(max_concurr_spinup, "Max concurrent device spinup"); +static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev); + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); + struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha); + + return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id); +} + +static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL); + +struct device_attribute *isci_host_attrs[] = { + &dev_attr_isci_id, + NULL +}; + static struct scsi_host_template isci_sht = { .module = THIS_MODULE, @@ -138,6 +163,7 @@ static struct scsi_host_template isci_sht = { .slave_alloc = sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, + .shost_attrs = isci_host_attrs, }; static struct sas_domain_function_template isci_transport_ops = { @@ -232,17 +258,6 @@ static int isci_register_sas_ha(struct isci_host *isci_host) return 0; } -static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev); - struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); - struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha); - - return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id); -} - -static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL); - static void isci_unregister(struct isci_host *isci_host) { struct Scsi_Host *shost; @@ -251,7 +266,6 @@ static void isci_unregister(struct isci_host *isci_host) return; shost = isci_host->shost; - device_remove_file(&shost->shost_dev, &dev_attr_isci_id); sas_unregister_ha(&isci_host->sas_ha); @@ -415,14 +429,8 @@ static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id) if (err) goto err_shost_remove; - err = device_create_file(&shost->shost_dev, &dev_attr_isci_id); - if (err) - goto err_unregister_ha; - return isci_host; - err_unregister_ha: - sas_unregister_ha(&(isci_host->sas_ha)); err_shost_remove: scsi_remove_host(shost); err_shost: @@ -540,7 +548,8 @@ static __init int isci_init(void) { int err; - pr_info("%s: Intel(R) C600 SAS Controller Driver\n", DRV_NAME); + pr_info("%s: Intel(R) C600 SAS Controller Driver - version %s\n", + DRV_NAME, DRV_VERSION); isci_transport_template = sas_domain_attach_transport(&isci_transport_ops); if (!isci_transport_template) diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index 79313a7a235..430fc8ff014 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -104,6 +104,7 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy, u32 parity_count = 0; u32 llctl, link_rate; u32 clksm_value = 0; + u32 sp_timeouts = 0; iphy->link_layer_registers = reg; @@ -211,6 +212,18 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy, llctl |= SCU_SAS_LLCTL_GEN_VAL(MAX_LINK_RATE, link_rate); writel(llctl, &iphy->link_layer_registers->link_layer_control); + sp_timeouts = readl(&iphy->link_layer_registers->sas_phy_timeouts); + + /* Clear the default 0x36 (54us) RATE_CHANGE timeout value. */ + sp_timeouts &= ~SCU_SAS_PHYTOV_GEN_VAL(RATE_CHANGE, 0xFF); + + /* Set RATE_CHANGE timeout value to 0x3B (59us). This ensures SCU can + * lock with 3Gb drive when SCU max rate is set to 1.5Gb. + */ + sp_timeouts |= SCU_SAS_PHYTOV_GEN_VAL(RATE_CHANGE, 0x3B); + + writel(sp_timeouts, &iphy->link_layer_registers->sas_phy_timeouts); + if (is_a2(ihost->pdev)) { /* Program the max ARB time for the PHY to 700us so we inter-operate with * the PMC expander which shuts down PHYs if the expander PHY generates too diff --git a/drivers/scsi/isci/registers.h b/drivers/scsi/isci/registers.h index 9b266c7428e..00afc738bbe 100644 --- a/drivers/scsi/isci/registers.h +++ b/drivers/scsi/isci/registers.h @@ -1299,6 +1299,18 @@ struct scu_transport_layer_registers { #define SCU_AFE_XCVRCR_OFFSET 0x00DC #define SCU_AFE_LUTCR_OFFSET 0x00E0 +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_ALIGN_DETECTION_SHIFT (0UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_ALIGN_DETECTION_MASK (0x000000FFUL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_HOT_PLUG_SHIFT (8UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_HOT_PLUG_MASK (0x0000FF00UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_COMSAS_DETECTION_SHIFT (16UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_COMSAS_DETECTION_MASK (0x00FF0000UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_RATE_CHANGE_SHIFT (24UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_RATE_CHANGE_MASK (0xFF000000UL) + +#define SCU_SAS_PHYTOV_GEN_VAL(name, value) \ + SCU_GEN_VALUE(SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_##name, value) + #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_SHIFT (0) #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_MASK (0x00000003) #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_GEN1 (0) diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index a46e07ac789..b5d3a8c4d32 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -732,12 +732,20 @@ sci_io_request_terminate(struct isci_request *ireq) sci_change_state(&ireq->sm, SCI_REQ_ABORTING); return SCI_SUCCESS; case SCI_REQ_TASK_WAIT_TC_RESP: + /* The task frame was already confirmed to have been + * sent by the SCU HW. Since the state machine is + * now only waiting for the task response itself, + * abort the request and complete it immediately + * and don't wait for the task response. + */ sci_change_state(&ireq->sm, SCI_REQ_ABORTING); sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); return SCI_SUCCESS; case SCI_REQ_ABORTING: - sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); - return SCI_SUCCESS; + /* If a request has a termination requested twice, return + * a failure indication, since HW confirmation of the first + * abort is still outstanding. + */ case SCI_REQ_COMPLETED: default: dev_warn(&ireq->owning_controller->pdev->dev, @@ -2399,22 +2407,19 @@ static void isci_task_save_for_upper_layer_completion( } } -static void isci_request_process_stp_response(struct sas_task *task, - void *response_buffer) +static void isci_process_stp_response(struct sas_task *task, struct dev_to_host_fis *fis) { - struct dev_to_host_fis *d2h_reg_fis = response_buffer; struct task_status_struct *ts = &task->task_status; struct ata_task_resp *resp = (void *)&ts->buf[0]; - resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6)); - memcpy(&resp->ending_fis[0], response_buffer + 16, 24); + resp->frame_len = sizeof(*fis); + memcpy(resp->ending_fis, fis, sizeof(*fis)); ts->buf_valid_size = sizeof(*resp); - /** - * If the device fault bit is set in the status register, then + /* If the device fault bit is set in the status register, then * set the sense data and return. */ - if (d2h_reg_fis->status & ATA_DF) + if (fis->status & ATA_DF) ts->stat = SAS_PROTO_RESPONSE; else ts->stat = SAM_STAT_GOOD; @@ -2428,7 +2433,6 @@ static void isci_request_io_request_complete(struct isci_host *ihost, { struct sas_task *task = isci_request_access_task(request); struct ssp_response_iu *resp_iu; - void *resp_buf; unsigned long task_flags; struct isci_remote_device *idev = isci_lookup_device(task->dev); enum service_response response = SAS_TASK_UNDELIVERED; @@ -2565,9 +2569,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost, task); if (sas_protocol_ata(task->task_proto)) { - resp_buf = &request->stp.rsp; - isci_request_process_stp_response(task, - resp_buf); + isci_process_stp_response(task, &request->stp.rsp); } else if (SAS_PROTOCOL_SSP == task->task_proto) { /* crack the iu response buffer. */ diff --git a/drivers/scsi/isci/unsolicited_frame_control.c b/drivers/scsi/isci/unsolicited_frame_control.c index e9e1e2abacb..16f88ab939c 100644 --- a/drivers/scsi/isci/unsolicited_frame_control.c +++ b/drivers/scsi/isci/unsolicited_frame_control.c @@ -72,7 +72,7 @@ int sci_unsolicited_frame_control_construct(struct isci_host *ihost) */ buf_len = SCU_MAX_UNSOLICITED_FRAMES * SCU_UNSOLICITED_FRAME_BUFFER_SIZE; header_len = SCU_MAX_UNSOLICITED_FRAMES * sizeof(struct scu_unsolicited_frame_header); - size = buf_len + header_len + SCU_MAX_UNSOLICITED_FRAMES * sizeof(dma_addr_t); + size = buf_len + header_len + SCU_MAX_UNSOLICITED_FRAMES * sizeof(uf_control->address_table.array[0]); /* * The Unsolicited Frame buffers are set at the start of the UF diff --git a/drivers/scsi/isci/unsolicited_frame_control.h b/drivers/scsi/isci/unsolicited_frame_control.h index 31cb9506f52..75d896686f5 100644 --- a/drivers/scsi/isci/unsolicited_frame_control.h +++ b/drivers/scsi/isci/unsolicited_frame_control.h @@ -214,7 +214,7 @@ struct sci_uf_address_table_array { * starting address of the UF address table. * 64-bit pointers are required by the hardware. */ - dma_addr_t *array; + u64 *array; /** * This field specifies the physical address location for the UF diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 01ff082dc34..d261e982a2f 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -494,6 +494,9 @@ static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp, */ error = lport->tt.frame_send(lport, fp); + if (fh->fh_type == FC_TYPE_BLS) + return error; + /* * Update the exchange and sequence flags, * assuming all frames for the sequence have been sent. @@ -575,42 +578,35 @@ static void fc_seq_set_resp(struct fc_seq *sp, } /** - * fc_seq_exch_abort() - Abort an exchange and sequence - * @req_sp: The sequence to be aborted + * fc_exch_abort_locked() - Abort an exchange + * @ep: The exchange to be aborted * @timer_msec: The period of time to wait before aborting * - * Generally called because of a timeout or an abort from the upper layer. + * Locking notes: Called with exch lock held + * + * Return value: 0 on success else error code */ -static int fc_seq_exch_abort(const struct fc_seq *req_sp, - unsigned int timer_msec) +static int fc_exch_abort_locked(struct fc_exch *ep, + unsigned int timer_msec) { struct fc_seq *sp; - struct fc_exch *ep; struct fc_frame *fp; int error; - ep = fc_seq_exch(req_sp); - - spin_lock_bh(&ep->ex_lock); if (ep->esb_stat & (ESB_ST_COMPLETE | ESB_ST_ABNORMAL) || - ep->state & (FC_EX_DONE | FC_EX_RST_CLEANUP)) { - spin_unlock_bh(&ep->ex_lock); + ep->state & (FC_EX_DONE | FC_EX_RST_CLEANUP)) return -ENXIO; - } /* * Send the abort on a new sequence if possible. */ sp = fc_seq_start_next_locked(&ep->seq); - if (!sp) { - spin_unlock_bh(&ep->ex_lock); + if (!sp) return -ENOMEM; - } ep->esb_stat |= ESB_ST_SEQ_INIT | ESB_ST_ABNORMAL; if (timer_msec) fc_exch_timer_set_locked(ep, timer_msec); - spin_unlock_bh(&ep->ex_lock); /* * If not logged into the fabric, don't send ABTS but leave @@ -633,6 +629,28 @@ static int fc_seq_exch_abort(const struct fc_seq *req_sp, } /** + * fc_seq_exch_abort() - Abort an exchange and sequence + * @req_sp: The sequence to be aborted + * @timer_msec: The period of time to wait before aborting + * + * Generally called because of a timeout or an abort from the upper layer. + * + * Return value: 0 on success else error code + */ +static int fc_seq_exch_abort(const struct fc_seq *req_sp, + unsigned int timer_msec) +{ + struct fc_exch *ep; + int error; + + ep = fc_seq_exch(req_sp); + spin_lock_bh(&ep->ex_lock); + error = fc_exch_abort_locked(ep, timer_msec); + spin_unlock_bh(&ep->ex_lock); + return error; +} + +/** * fc_exch_timeout() - Handle exchange timer expiration * @work: The work_struct identifying the exchange that timed out */ @@ -1715,6 +1733,7 @@ static void fc_exch_reset(struct fc_exch *ep) int rc = 1; spin_lock_bh(&ep->ex_lock); + fc_exch_abort_locked(ep, 0); ep->state |= FC_EX_RST_CLEANUP; if (cancel_delayed_work(&ep->timeout_work)) atomic_dec(&ep->ex_refcnt); /* drop hold for timer */ @@ -1962,6 +1981,7 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport, struct fc_exch *ep; struct fc_seq *sp = NULL; struct fc_frame_header *fh; + struct fc_fcp_pkt *fsp = NULL; int rc = 1; ep = fc_exch_alloc(lport, fp); @@ -1984,8 +2004,10 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport, fc_exch_setup_hdr(ep, fp, ep->f_ctl); sp->cnt++; - if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD) + if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD) { + fsp = fr_fsp(fp); fc_fcp_ddp_setup(fr_fsp(fp), ep->xid); + } if (unlikely(lport->tt.frame_send(lport, fp))) goto err; @@ -1999,7 +2021,8 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport, spin_unlock_bh(&ep->ex_lock); return sp; err: - fc_fcp_ddp_done(fr_fsp(fp)); + if (fsp) + fc_fcp_ddp_done(fsp); rc = fc_exch_done_locked(ep); spin_unlock_bh(&ep->ex_lock); if (!rc) diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index afb63c84314..4c41ee816f0 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -2019,6 +2019,11 @@ int fc_eh_abort(struct scsi_cmnd *sc_cmd) struct fc_fcp_internal *si; int rc = FAILED; unsigned long flags; + int rval; + + rval = fc_block_scsi_eh(sc_cmd); + if (rval) + return rval; lport = shost_priv(sc_cmd->device->host); if (lport->state != LPORT_ST_READY) @@ -2068,9 +2073,9 @@ int fc_eh_device_reset(struct scsi_cmnd *sc_cmd) int rc = FAILED; int rval; - rval = fc_remote_port_chkready(rport); + rval = fc_block_scsi_eh(sc_cmd); if (rval) - goto out; + return rval; lport = shost_priv(sc_cmd->device->host); @@ -2116,6 +2121,8 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd) FC_SCSI_DBG(lport, "Resetting host\n"); + fc_block_scsi_eh(sc_cmd); + lport->tt.lport_reset(lport); wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT; while (!fc_fcp_lport_queue_ready(lport) && time_before(jiffies, diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index e55ed9cf23f..628f347404f 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -88,6 +88,7 @@ */ #include <linux/timer.h> +#include <linux/delay.h> #include <linux/slab.h> #include <asm/unaligned.h> @@ -1029,8 +1030,16 @@ static void fc_lport_enter_reset(struct fc_lport *lport) FCH_EVT_LIPRESET, 0); fc_vports_linkchange(lport); fc_lport_reset_locked(lport); - if (lport->link_up) + if (lport->link_up) { + /* + * Wait upto resource allocation time out before + * doing re-login since incomplete FIP exchanged + * from last session may collide with exchanges + * in new session. + */ + msleep(lport->r_a_tov); fc_lport_enter_flogi(lport); + } } /** diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index f84084bba2f..16ad97df5ba 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1721,7 +1721,7 @@ static int sas_find_bcast_dev(struct domain_device *dev, list_for_each_entry(ch, &ex->children, siblings) { if (ch->dev_type == EDGE_DEV || ch->dev_type == FANOUT_DEV) { res = sas_find_bcast_dev(ch, src_dev); - if (src_dev) + if (*src_dev) return res; } } @@ -1769,10 +1769,12 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent, sas_disable_routing(parent, phy->attached_sas_addr); } memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); - sas_port_delete_phy(phy->port, phy->phy); - if (phy->port->num_phys == 0) - sas_port_delete(phy->port); - phy->port = NULL; + if (phy->port) { + sas_port_delete_phy(phy->port, phy->phy); + if (phy->port->num_phys == 0) + sas_port_delete(phy->port); + phy->port = NULL; + } } static int sas_discover_bfs_by_root_level(struct domain_device *root, diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 7836eb01c7f..a31e05f3bfd 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1786,13 +1786,16 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable) fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN); } - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) { + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) { + int prot = 0; vha->flags.difdix_supported = 1; ql_dbg(ql_dbg_user, vha, 0x7082, "Registered for DIF/DIX type 1 and 3 protection.\n"); + if (ql2xenabledif == 1) + prot = SHOST_DIX_TYPE0_PROTECTION; scsi_host_set_prot(vha->host, - SHOST_DIF_TYPE1_PROTECTION + prot | SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 2155071f310..d79cd8a5f83 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -8,24 +8,24 @@ /* * Table for showing the current message id in use for particular level * Change this table for addition of log/debug messages. - * ----------------------------------------------------- - * | Level | Last Value Used | - * ----------------------------------------------------- - * | Module Init and Probe | 0x0116 | - * | Mailbox commands | 0x111e | - * | Device Discovery | 0x2083 | - * | Queue Command and IO tracing | 0x302e | - * | DPC Thread | 0x401c | - * | Async Events | 0x5059 | - * | Timer Routines | 0x600d | - * | User Space Interactions | 0x709c | - * | Task Management | 0x8043 | - * | AER/EEH | 0x900f | - * | Virtual Port | 0xa007 | - * | ISP82XX Specific | 0xb027 | - * | MultiQ | 0xc00b | - * | Misc | 0xd00b | - * ----------------------------------------------------- + * ---------------------------------------------------------------------- + * | Level | Last Value Used | Holes | + * ---------------------------------------------------------------------- + * | Module Init and Probe | 0x0116 | | + * | Mailbox commands | 0x1126 | | + * | Device Discovery | 0x2083 | | + * | Queue Command and IO tracing | 0x302e | 0x3008 | + * | DPC Thread | 0x401c | | + * | Async Events | 0x5059 | | + * | Timer Routines | 0x600d | | + * | User Space Interactions | 0x709d | | + * | Task Management | 0x8041 | | + * | AER/EEH | 0x900f | | + * | Virtual Port | 0xa007 | | + * | ISP82XX Specific | 0xb04f | | + * | MultiQ | 0xc00b | | + * | Misc | 0xd00b | | + * ---------------------------------------------------------------------- */ #include "qla_def.h" diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index cc5a79259d3..a03eaf40f37 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2529,6 +2529,7 @@ struct qla_hw_data { #define DT_ISP8021 BIT_14 #define DT_ISP_LAST (DT_ISP8021 << 1) +#define DT_T10_PI BIT_25 #define DT_IIDMA BIT_26 #define DT_FWI2 BIT_27 #define DT_ZIO_SUPPORTED BIT_28 @@ -2572,6 +2573,7 @@ struct qla_hw_data { #define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha)) #define IS_ALOGIO_CAPABLE(ha) (IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha)) +#define IS_T10_PI_CAPABLE(ha) ((ha)->device_type & DT_T10_PI) #define IS_IIDMA_CAPABLE(ha) ((ha)->device_type & DT_IIDMA) #define IS_FWI2_CAPABLE(ha) ((ha)->device_type & DT_FWI2) #define IS_ZIO_SUPPORTED(ha) ((ha)->device_type & DT_ZIO_SUPPORTED) diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index 691783abfb6..aa69486dc06 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -537,6 +537,11 @@ struct sts_entry_24xx { /* * If DIF Error is set in comp_status, these additional fields are * defined: + * + * !!! NOTE: Firmware sends expected/actual DIF data in big endian + * format; but all of the "data" field gets swab32-d in the beginning + * of qla2x00_status_entry(). + * * &data[10] : uint8_t report_runt_bg[2]; - computed guard * &data[12] : uint8_t actual_dif[8]; - DIF Data received * &data[20] : uint8_t expected_dif[8]; - DIF Data computed diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index def694271bf..37da04d3db2 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -3838,15 +3838,12 @@ qla2x00_loop_resync(scsi_qla_host_t *vha) req = vha->req; rsp = req->rsp; - atomic_set(&vha->loop_state, LOOP_UPDATE); clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); if (vha->flags.online) { if (!(rval = qla2x00_fw_ready(vha))) { /* Wait at most MAX_TARGET RSCNs for a stable link. */ wait_time = 256; do { - atomic_set(&vha->loop_state, LOOP_UPDATE); - /* Issue a marker after FW becomes ready. */ qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL); diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index d2e904bc21c..9902834e0b7 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -102,3 +102,32 @@ qla2x00_set_fcport_state(fc_port_t *fcport, int state) fcport->d_id.b.al_pa); } } + +static inline int +qla2x00_hba_err_chk_enabled(srb_t *sp) +{ + /* + * Uncomment when corresponding SCSI changes are done. + * + if (!sp->cmd->prot_chk) + return 0; + * + */ + + switch (scsi_get_prot_op(sp->cmd)) { + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + if (ql2xenablehba_err_chk >= 1) + return 1; + break; + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + if (ql2xenablehba_err_chk >= 2) + return 1; + break; + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + return 1; + } + return 0; +} diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 49d6906af88..dbec89622a0 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -709,20 +709,28 @@ struct fw_dif_context { * */ static inline void -qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, +qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, unsigned int protcnt) { - struct sd_dif_tuple *spt; + struct scsi_cmnd *cmd = sp->cmd; scsi_qla_host_t *vha = shost_priv(cmd->device->host); - unsigned char op = scsi_get_prot_op(cmd); switch (scsi_get_prot_type(cmd)) { - /* For TYPE 0 protection: no checking */ case SCSI_PROT_DIF_TYPE0: - pkt->ref_tag_mask[0] = 0x00; - pkt->ref_tag_mask[1] = 0x00; - pkt->ref_tag_mask[2] = 0x00; - pkt->ref_tag_mask[3] = 0x00; + /* + * No check for ql2xenablehba_err_chk, as it would be an + * I/O error if hba tag generation is not done. + */ + pkt->ref_tag = cpu_to_le32((uint32_t) + (0xffffffff & scsi_get_lba(cmd))); + + if (!qla2x00_hba_err_chk_enabled(sp)) + break; + + pkt->ref_tag_mask[0] = 0xff; + pkt->ref_tag_mask[1] = 0xff; + pkt->ref_tag_mask[2] = 0xff; + pkt->ref_tag_mask[3] = 0xff; break; /* @@ -730,20 +738,16 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, * match LBA in CDB + N */ case SCSI_PROT_DIF_TYPE2: - if (!ql2xenablehba_err_chk) - break; - - if (scsi_prot_sg_count(cmd)) { - spt = page_address(sg_page(scsi_prot_sglist(cmd))) + - scsi_prot_sglist(cmd)[0].offset; - pkt->app_tag = swab32(spt->app_tag); - pkt->app_tag_mask[0] = 0xff; - pkt->app_tag_mask[1] = 0xff; - } + pkt->app_tag = __constant_cpu_to_le16(0); + pkt->app_tag_mask[0] = 0x0; + pkt->app_tag_mask[1] = 0x0; pkt->ref_tag = cpu_to_le32((uint32_t) (0xffffffff & scsi_get_lba(cmd))); + if (!qla2x00_hba_err_chk_enabled(sp)) + break; + /* enable ALL bytes of the ref tag */ pkt->ref_tag_mask[0] = 0xff; pkt->ref_tag_mask[1] = 0xff; @@ -763,26 +767,15 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, * 16 bit app tag. */ case SCSI_PROT_DIF_TYPE1: - if (!ql2xenablehba_err_chk) + pkt->ref_tag = cpu_to_le32((uint32_t) + (0xffffffff & scsi_get_lba(cmd))); + pkt->app_tag = __constant_cpu_to_le16(0); + pkt->app_tag_mask[0] = 0x0; + pkt->app_tag_mask[1] = 0x0; + + if (!qla2x00_hba_err_chk_enabled(sp)) break; - if (protcnt && (op == SCSI_PROT_WRITE_STRIP || - op == SCSI_PROT_WRITE_PASS)) { - spt = page_address(sg_page(scsi_prot_sglist(cmd))) + - scsi_prot_sglist(cmd)[0].offset; - ql_dbg(ql_dbg_io, vha, 0x3008, - "LBA from user %p, lba = 0x%x for cmd=%p.\n", - spt, (int)spt->ref_tag, cmd); - pkt->ref_tag = swab32(spt->ref_tag); - pkt->app_tag_mask[0] = 0x0; - pkt->app_tag_mask[1] = 0x0; - } else { - pkt->ref_tag = cpu_to_le32((uint32_t) - (0xffffffff & scsi_get_lba(cmd))); - pkt->app_tag = __constant_cpu_to_le16(0); - pkt->app_tag_mask[0] = 0x0; - pkt->app_tag_mask[1] = 0x0; - } /* enable ALL bytes of the ref tag */ pkt->ref_tag_mask[0] = 0xff; pkt->ref_tag_mask[1] = 0xff; @@ -798,8 +791,162 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, scsi_get_prot_type(cmd), cmd); } +struct qla2_sgx { + dma_addr_t dma_addr; /* OUT */ + uint32_t dma_len; /* OUT */ + + uint32_t tot_bytes; /* IN */ + struct scatterlist *cur_sg; /* IN */ + + /* for book keeping, bzero on initial invocation */ + uint32_t bytes_consumed; + uint32_t num_bytes; + uint32_t tot_partial; + + /* for debugging */ + uint32_t num_sg; + srb_t *sp; +}; static int +qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx, + uint32_t *partial) +{ + struct scatterlist *sg; + uint32_t cumulative_partial, sg_len; + dma_addr_t sg_dma_addr; + + if (sgx->num_bytes == sgx->tot_bytes) + return 0; + + sg = sgx->cur_sg; + cumulative_partial = sgx->tot_partial; + + sg_dma_addr = sg_dma_address(sg); + sg_len = sg_dma_len(sg); + + sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed; + + if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) { + sgx->dma_len = (blk_sz - cumulative_partial); + sgx->tot_partial = 0; + sgx->num_bytes += blk_sz; + *partial = 0; + } else { + sgx->dma_len = sg_len - sgx->bytes_consumed; + sgx->tot_partial += sgx->dma_len; + *partial = 1; + } + + sgx->bytes_consumed += sgx->dma_len; + + if (sg_len == sgx->bytes_consumed) { + sg = sg_next(sg); + sgx->num_sg++; + sgx->cur_sg = sg; + sgx->bytes_consumed = 0; + } + + return 1; +} + +static int +qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, + uint32_t *dsd, uint16_t tot_dsds) +{ + void *next_dsd; + uint8_t avail_dsds = 0; + uint32_t dsd_list_len; + struct dsd_dma *dsd_ptr; + struct scatterlist *sg_prot; + uint32_t *cur_dsd = dsd; + uint16_t used_dsds = tot_dsds; + + uint32_t prot_int; + uint32_t partial; + struct qla2_sgx sgx; + dma_addr_t sle_dma; + uint32_t sle_dma_len, tot_prot_dma_len = 0; + struct scsi_cmnd *cmd = sp->cmd; + + prot_int = cmd->device->sector_size; + + memset(&sgx, 0, sizeof(struct qla2_sgx)); + sgx.tot_bytes = scsi_bufflen(sp->cmd); + sgx.cur_sg = scsi_sglist(sp->cmd); + sgx.sp = sp; + + sg_prot = scsi_prot_sglist(sp->cmd); + + while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) { + + sle_dma = sgx.dma_addr; + sle_dma_len = sgx.dma_len; +alloc_and_fill: + /* Allocate additional continuation packets? */ + if (avail_dsds == 0) { + avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? + QLA_DSDS_PER_IOCB : used_dsds; + dsd_list_len = (avail_dsds + 1) * 12; + used_dsds -= avail_dsds; + + /* allocate tracking DS */ + dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); + if (!dsd_ptr) + return 1; + + /* allocate new list */ + dsd_ptr->dsd_addr = next_dsd = + dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, + &dsd_ptr->dsd_list_dma); + + if (!next_dsd) { + /* + * Need to cleanup only this dsd_ptr, rest + * will be done by sp_free_dma() + */ + kfree(dsd_ptr); + return 1; + } + + list_add_tail(&dsd_ptr->list, + &((struct crc_context *)sp->ctx)->dsd_list); + + sp->flags |= SRB_CRC_CTX_DSD_VALID; + + /* add new list to cmd iocb or last list */ + *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); + *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); + *cur_dsd++ = dsd_list_len; + cur_dsd = (uint32_t *)next_dsd; + } + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sle_dma_len); + avail_dsds--; + + if (partial == 0) { + /* Got a full protection interval */ + sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len; + sle_dma_len = 8; + + tot_prot_dma_len += sle_dma_len; + if (tot_prot_dma_len == sg_dma_len(sg_prot)) { + tot_prot_dma_len = 0; + sg_prot = sg_next(sg_prot); + } + + partial = 1; /* So as to not re-enter this block */ + goto alloc_and_fill; + } + } + /* Null termination */ + *cur_dsd++ = 0; + *cur_dsd++ = 0; + *cur_dsd++ = 0; + return 0; +} +static int qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, uint16_t tot_dsds) { @@ -981,7 +1128,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, struct scsi_cmnd *cmd; struct scatterlist *cur_seg; int sgc; - uint32_t total_bytes; + uint32_t total_bytes = 0; uint32_t data_bytes; uint32_t dif_bytes; uint8_t bundling = 1; @@ -1023,8 +1170,10 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, __constant_cpu_to_le16(CF_READ_DATA); } - tot_prot_dsds = scsi_prot_sg_count(cmd); - if (!tot_prot_dsds) + if ((scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_STRIP) || + (scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_STRIP) || + (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_INSERT)) bundling = 0; /* Allocate CRC context from global pool */ @@ -1047,7 +1196,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list); - qla24xx_set_t10dif_tags(cmd, (struct fw_dif_context *) + qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *) &crc_ctx_pkt->ref_tag, tot_prot_dsds); cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma)); @@ -1076,7 +1225,6 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, fcp_cmnd->additional_cdb_len |= 2; int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun); - host_to_fcp_swap((uint8_t *)&fcp_cmnd->lun, sizeof(fcp_cmnd->lun)); memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len); cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32( @@ -1107,15 +1255,28 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */ /* Compute dif len and adjust data len to incude protection */ - total_bytes = data_bytes; dif_bytes = 0; blk_size = cmd->device->sector_size; - if (scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { - dif_bytes = (data_bytes / blk_size) * 8; - total_bytes += dif_bytes; + dif_bytes = (data_bytes / blk_size) * 8; + + switch (scsi_get_prot_op(sp->cmd)) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + total_bytes = data_bytes; + data_bytes += dif_bytes; + break; + + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + total_bytes = data_bytes + dif_bytes; + break; + default: + BUG(); } - if (!ql2xenablehba_err_chk) + if (!qla2x00_hba_err_chk_enabled(sp)) fw_prot_opts |= 0x10; /* Disable Guard tag checking */ if (!bundling) { @@ -1151,7 +1312,12 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, cmd_pkt->control_flags |= __constant_cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE); - if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, + + if (!bundling && tot_prot_dsds) { + if (qla24xx_walk_and_build_sglist_no_difb(ha, sp, + cur_dsd, tot_dsds)) + goto crc_queuing_error; + } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, (tot_dsds - tot_prot_dsds))) goto crc_queuing_error; @@ -1414,6 +1580,22 @@ qla24xx_dif_start_scsi(srb_t *sp) goto queuing_error; else sp->flags |= SRB_DMA_VALID; + + if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { + struct qla2_sgx sgx; + uint32_t partial; + + memset(&sgx, 0, sizeof(struct qla2_sgx)); + sgx.tot_bytes = scsi_bufflen(cmd); + sgx.cur_sg = scsi_sglist(cmd); + sgx.sp = sp; + + nseg = 0; + while (qla24xx_get_one_block_sg( + cmd->device->sector_size, &sgx, &partial)) + nseg++; + } } else nseg = 0; @@ -1428,6 +1610,11 @@ qla24xx_dif_start_scsi(srb_t *sp) goto queuing_error; else sp->flags |= SRB_CRC_PROT_DMA_VALID; + + if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { + nseg = scsi_bufflen(cmd) / cmd->device->sector_size; + } } else { nseg = 0; } @@ -1454,6 +1641,7 @@ qla24xx_dif_start_scsi(srb_t *sp) /* Build header part of command packet (excluding the OPCODE). */ req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; + sp->handle = handle; sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index b16b7725dee..8a7591f035e 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -719,7 +719,6 @@ skip_rio: vha->flags.rscn_queue_overflow = 1; } - atomic_set(&vha->loop_state, LOOP_UPDATE); atomic_set(&vha->loop_down_timer, 0); vha->flags.management_server_logged_in = 0; @@ -1435,25 +1434,27 @@ struct scsi_dif_tuple { * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST * to indicate to the kernel that the HBA detected error. */ -static inline void +static inline int qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) { struct scsi_qla_host *vha = sp->fcport->vha; struct scsi_cmnd *cmd = sp->cmd; - struct scsi_dif_tuple *ep = - (struct scsi_dif_tuple *)&sts24->data[20]; - struct scsi_dif_tuple *ap = - (struct scsi_dif_tuple *)&sts24->data[12]; + uint8_t *ap = &sts24->data[12]; + uint8_t *ep = &sts24->data[20]; uint32_t e_ref_tag, a_ref_tag; uint16_t e_app_tag, a_app_tag; uint16_t e_guard, a_guard; - e_ref_tag = be32_to_cpu(ep->ref_tag); - a_ref_tag = be32_to_cpu(ap->ref_tag); - e_app_tag = be16_to_cpu(ep->app_tag); - a_app_tag = be16_to_cpu(ap->app_tag); - e_guard = be16_to_cpu(ep->guard); - a_guard = be16_to_cpu(ap->guard); + /* + * swab32 of the "data" field in the beginning of qla2x00_status_entry() + * would make guard field appear at offset 2 + */ + a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); + a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); + a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); + e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); + e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); + e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); ql_dbg(ql_dbg_io, vha, 0x3023, "iocb(s) %p Returned STATUS.\n", sts24); @@ -1465,6 +1466,63 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, a_guard, e_guard); + /* + * Ignore sector if: + * For type 3: ref & app tag is all 'f's + * For type 0,1,2: app tag is all 'f's + */ + if ((a_app_tag == 0xffff) && + ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || + (a_ref_tag == 0xffffffff))) { + uint32_t blocks_done, resid; + sector_t lba_s = scsi_get_lba(cmd); + + /* 2TB boundary case covered automatically with this */ + blocks_done = e_ref_tag - (uint32_t)lba_s + 1; + + resid = scsi_bufflen(cmd) - (blocks_done * + cmd->device->sector_size); + + scsi_set_resid(cmd, resid); + cmd->result = DID_OK << 16; + + /* Update protection tag */ + if (scsi_prot_sg_count(cmd)) { + uint32_t i, j = 0, k = 0, num_ent; + struct scatterlist *sg; + struct sd_dif_tuple *spt; + + /* Patch the corresponding protection tags */ + scsi_for_each_prot_sg(cmd, sg, + scsi_prot_sg_count(cmd), i) { + num_ent = sg_dma_len(sg) / 8; + if (k + num_ent < blocks_done) { + k += num_ent; + continue; + } + j = blocks_done - k - 1; + k = blocks_done; + break; + } + + if (k != blocks_done) { + qla_printk(KERN_WARNING, sp->fcport->vha->hw, + "unexpected tag values tag:lba=%x:%llx)\n", + e_ref_tag, (unsigned long long)lba_s); + return 1; + } + + spt = page_address(sg_page(sg)) + sg->offset; + spt += j; + + spt->app_tag = 0xffff; + if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) + spt->ref_tag = 0xffffffff; + } + + return 0; + } + /* check guard */ if (e_guard != a_guard) { scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, @@ -1472,28 +1530,30 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); cmd->result |= SAM_STAT_CHECK_CONDITION << 1; - return; + return 1; } - /* check appl tag */ - if (e_app_tag != a_app_tag) { + /* check ref tag */ + if (e_ref_tag != a_ref_tag) { scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, - 0x10, 0x2); + 0x10, 0x3); set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); cmd->result |= SAM_STAT_CHECK_CONDITION << 1; - return; + return 1; } - /* check ref tag */ - if (e_ref_tag != a_ref_tag) { + /* check appl tag */ + if (e_app_tag != a_app_tag) { scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, - 0x10, 0x3); + 0x10, 0x2); set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); cmd->result |= SAM_STAT_CHECK_CONDITION << 1; - return; + return 1; } + + return 1; } /** @@ -1767,7 +1827,7 @@ check_scsi_status: break; case CS_DIF_ERROR: - qla2x00_handle_dif_error(sp, sts24); + logit = qla2x00_handle_dif_error(sp, sts24); break; default: cp->result = DID_ERROR << 16; @@ -2468,11 +2528,10 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) goto skip_msi; } - if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || - !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { + if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { ql_log(ql_log_warn, vha, 0x0035, "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", - ha->pdev->revision, ha->fw_attributes); + ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); goto skip_msix; } diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index c706ed37000..f488cc69fc7 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -472,7 +472,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) host->can_queue = base_vha->req->length + 128; host->this_id = 255; host->cmd_per_lun = 3; - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) host->max_cmd_len = 32; else host->max_cmd_len = MAX_CMDSZ; diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 5cbf33a50b1..049807cda41 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -2208,6 +2208,7 @@ qla82xx_msix_rsp_q(int irq, void *dev_id) struct qla_hw_data *ha; struct rsp_que *rsp; struct device_reg_82xx __iomem *reg; + unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { @@ -2218,11 +2219,11 @@ qla82xx_msix_rsp_q(int irq, void *dev_id) ha = rsp->hw; reg = &ha->iobase->isp82; - spin_lock_irq(&ha->hardware_lock); + spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); qla24xx_process_response_queue(vha, rsp); WRT_REG_DWORD(®->host_int, 0); - spin_unlock_irq(&ha->hardware_lock); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return IRQ_HANDLED; } @@ -2838,6 +2839,16 @@ sufficient_dsds: int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); + /* build FCP_CMND IU */ + memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); + int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); + ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; + + if (cmd->sc_data_direction == DMA_TO_DEVICE) + ctx->fcp_cmnd->additional_cdb_len |= 1; + else if (cmd->sc_data_direction == DMA_FROM_DEVICE) + ctx->fcp_cmnd->additional_cdb_len |= 2; + /* * Update tagged queuing modifier -- default is TSK_SIMPLE (0). */ @@ -2854,16 +2865,6 @@ sufficient_dsds: } } - /* build FCP_CMND IU */ - memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); - int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); - ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; - - if (cmd->sc_data_direction == DMA_TO_DEVICE) - ctx->fcp_cmnd->additional_cdb_len |= 1; - else if (cmd->sc_data_direction == DMA_FROM_DEVICE) - ctx->fcp_cmnd->additional_cdb_len |= 2; - memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index e02df276804..1e69527f1e4 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -106,17 +106,21 @@ MODULE_PARM_DESC(ql2xmaxqdepth, "Maximum queue depth to report for target devices."); /* Do not change the value of this after module load */ -int ql2xenabledif = 1; +int ql2xenabledif = 0; module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xenabledif, " Enable T10-CRC-DIF " - " Default is 0 - No DIF Support. 1 - Enable it"); + " Default is 0 - No DIF Support. 1 - Enable it" + ", 2 - Enable DIF for all types, except Type 0."); -int ql2xenablehba_err_chk; +int ql2xenablehba_err_chk = 2; module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xenablehba_err_chk, - " Enable T10-CRC-DIF Error isolation by HBA" - " Default is 0 - Error isolation disabled, 1 - Enable it"); + " Enable T10-CRC-DIF Error isolation by HBA:\n" + " Default is 1.\n" + " 0 -- Error isolation disabled\n" + " 1 -- Error isolation enabled only for DIX Type 0\n" + " 2 -- Error isolation enabled for all Types\n"); int ql2xiidmaenable=1; module_param(ql2xiidmaenable, int, S_IRUGO); @@ -909,7 +913,14 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) "Abort command mbx success.\n"); wait = 1; } + + spin_lock_irqsave(&ha->hardware_lock, flags); qla2x00_sp_compl(ha, sp); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + + /* Did the command return during mailbox execution? */ + if (ret == FAILED && !CMD_SP(cmd)) + ret = SUCCESS; /* Wait for the command to be returned. */ if (wait) { @@ -1317,10 +1328,9 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) qla2x00_sp_compl(ha, sp); } else { ctx = sp->ctx; - if (ctx->type == SRB_LOGIN_CMD || - ctx->type == SRB_LOGOUT_CMD) { - ctx->u.iocb_cmd->free(sp); - } else { + if (ctx->type == SRB_ELS_CMD_RPT || + ctx->type == SRB_ELS_CMD_HST || + ctx->type == SRB_CT_CMD) { struct fc_bsg_job *bsg_job = ctx->u.bsg_job; if (bsg_job->request->msgcode @@ -1332,6 +1342,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) kfree(sp->ctx); mempool_free(sp, ha->srb_mempool); + } else { + ctx->u.iocb_cmd->free(sp); } } } @@ -2251,7 +2263,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host->this_id = 255; host->cmd_per_lun = 3; host->unique_id = host->host_no; - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) host->max_cmd_len = 32; else host->max_cmd_len = MAX_CMDSZ; @@ -2378,13 +2390,16 @@ skip_dpc: "Detected hba at address=%p.\n", ha); - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) { + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) { + int prot = 0; base_vha->flags.difdix_supported = 1; ql_dbg(ql_dbg_init, base_vha, 0x00f1, "Registering for DIF/DIX type 1 and 3 protection.\n"); + if (ql2xenabledif == 1) + prot = SHOST_DIX_TYPE0_PROTECTION; scsi_host_set_prot(host, - SHOST_DIF_TYPE1_PROTECTION + prot | SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 062c97bf62f..13b6357c1fa 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.03.07.03-k" +#define QLA2XXX_VERSION "8.03.07.07-k" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 3 diff --git a/drivers/scsi/qla4xxx/Kconfig b/drivers/scsi/qla4xxx/Kconfig index 2c33ce6eac1..0f5599e0abf 100644 --- a/drivers/scsi/qla4xxx/Kconfig +++ b/drivers/scsi/qla4xxx/Kconfig @@ -1,6 +1,6 @@ config SCSI_QLA_ISCSI tristate "QLogic ISP4XXX and ISP82XX host adapter family support" - depends on PCI && SCSI + depends on PCI && SCSI && NET select SCSI_ISCSI_ATTRS ---help--- This driver supports the QLogic 40xx (ISP4XXX) and 8022 (ISP82XX) diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index d2407558773..24cacff5778 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -825,6 +825,9 @@ static void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { struct device *dev = mspi->dev; + if (!(mspi->flags & SPI_CPM_MODE)) + return; + dma_unmap_single(dev, mspi->dma_dummy_rx, SPI_MRBLR, DMA_FROM_DEVICE); dma_unmap_single(dev, mspi->dma_dummy_tx, PAGE_SIZE, DMA_TO_DEVICE); cpm_muram_free(cpm_muram_offset(mspi->tx_bd)); diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 8ac6542aedc..fa594d604ac 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -786,9 +786,11 @@ static int __devinit spi_imx_probe(struct platform_device *pdev) int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); if (cs_gpio < 0) cs_gpio = mxc_platform_info->chipselect[i]; + + spi_imx->chipselect[i] = cs_gpio; if (cs_gpio < 0) continue; - spi_imx->chipselect[i] = cs_gpio; + ret = gpio_request(spi_imx->chipselect[i], DRIVER_NAME); if (ret) { while (i > 0) { diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 1d23f383186..6a80749391d 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -50,6 +50,8 @@ #define PCH_RX_THOLD 7 #define PCH_RX_THOLD_MAX 15 +#define PCH_TX_THOLD 2 + #define PCH_MAX_BAUDRATE 5000000 #define PCH_MAX_FIFO_DEPTH 16 @@ -58,6 +60,7 @@ #define PCH_SLEEP_TIME 10 #define SSN_LOW 0x02U +#define SSN_HIGH 0x03U #define SSN_NO_CONTROL 0x00U #define PCH_MAX_CS 0xFF #define PCI_DEVICE_ID_GE_SPI 0x8816 @@ -316,16 +319,19 @@ static void pch_spi_handler_sub(struct pch_spi_data *data, u32 reg_spsr_val, /* if transfer complete interrupt */ if (reg_spsr_val & SPSR_FI_BIT) { - if (tx_index < bpw_len) + if ((tx_index == bpw_len) && (rx_index == tx_index)) { + /* disable interrupts */ + pch_spi_setclr_reg(data->master, PCH_SPCR, 0, PCH_ALL); + + /* transfer is completed; + inform pch_spi_process_messages */ + data->transfer_complete = true; + data->transfer_active = false; + wake_up(&data->wait); + } else { dev_err(&data->master->dev, "%s : Transfer is not completed", __func__); - /* disable interrupts */ - pch_spi_setclr_reg(data->master, PCH_SPCR, 0, PCH_ALL); - - /* transfer is completed;inform pch_spi_process_messages */ - data->transfer_complete = true; - data->transfer_active = false; - wake_up(&data->wait); + } } } @@ -348,16 +354,26 @@ static irqreturn_t pch_spi_handler(int irq, void *dev_id) "%s returning due to suspend\n", __func__); return IRQ_NONE; } - if (data->use_dma) - return IRQ_NONE; io_remap_addr = data->io_remap_addr; spsr = io_remap_addr + PCH_SPSR; reg_spsr_val = ioread32(spsr); - if (reg_spsr_val & SPSR_ORF_BIT) - dev_err(&board_dat->pdev->dev, "%s Over run error", __func__); + if (reg_spsr_val & SPSR_ORF_BIT) { + dev_err(&board_dat->pdev->dev, "%s Over run error\n", __func__); + if (data->current_msg->complete != 0) { + data->transfer_complete = true; + data->current_msg->status = -EIO; + data->current_msg->complete(data->current_msg->context); + data->bcurrent_msg_processing = false; + data->current_msg = NULL; + data->cur_trans = NULL; + } + } + + if (data->use_dma) + return IRQ_NONE; /* Check if the interrupt is for SPI device */ if (reg_spsr_val & (SPSR_FI_BIT | SPSR_RFI_BIT)) { @@ -756,10 +772,6 @@ static void pch_spi_set_ir(struct pch_spi_data *data) wait_event_interruptible(data->wait, data->transfer_complete); - pch_spi_writereg(data->master, PCH_SSNXCR, SSN_NO_CONTROL); - dev_dbg(&data->master->dev, - "%s:no more control over SSN-writing 0 to SSNXCR.", __func__); - /* clear all interrupts */ pch_spi_writereg(data->master, PCH_SPSR, pch_spi_readreg(data->master, PCH_SPSR)); @@ -815,10 +827,11 @@ static void pch_spi_copy_rx_data_for_dma(struct pch_spi_data *data, int bpw) } } -static void pch_spi_start_transfer(struct pch_spi_data *data) +static int pch_spi_start_transfer(struct pch_spi_data *data) { struct pch_spi_dma_ctrl *dma; unsigned long flags; + int rtn; dma = &data->dma; @@ -833,19 +846,23 @@ static void pch_spi_start_transfer(struct pch_spi_data *data) initiating the transfer. */ dev_dbg(&data->master->dev, "%s:waiting for transfer to get over\n", __func__); - wait_event_interruptible(data->wait, data->transfer_complete); + rtn = wait_event_interruptible_timeout(data->wait, + data->transfer_complete, + msecs_to_jiffies(2 * HZ)); dma_sync_sg_for_cpu(&data->master->dev, dma->sg_rx_p, dma->nent, DMA_FROM_DEVICE); + + dma_sync_sg_for_cpu(&data->master->dev, dma->sg_tx_p, dma->nent, + DMA_FROM_DEVICE); + memset(data->dma.tx_buf_virt, 0, PAGE_SIZE); + async_tx_ack(dma->desc_rx); async_tx_ack(dma->desc_tx); kfree(dma->sg_tx_p); kfree(dma->sg_rx_p); spin_lock_irqsave(&data->lock, flags); - pch_spi_writereg(data->master, PCH_SSNXCR, SSN_NO_CONTROL); - dev_dbg(&data->master->dev, - "%s:no more control over SSN-writing 0 to SSNXCR.", __func__); /* clear fifo threshold, disable interrupts, disable SPI transfer */ pch_spi_setclr_reg(data->master, PCH_SPCR, 0, @@ -858,6 +875,8 @@ static void pch_spi_start_transfer(struct pch_spi_data *data) pch_spi_clear_fifo(data->master); spin_unlock_irqrestore(&data->lock, flags); + + return rtn; } static void pch_dma_rx_complete(void *arg) @@ -1023,8 +1042,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw) /* set receive fifo threshold and transmit fifo threshold */ pch_spi_setclr_reg(data->master, PCH_SPCR, ((size - 1) << SPCR_RFIC_FIELD) | - ((PCH_MAX_FIFO_DEPTH - PCH_DMA_TRANS_SIZE) << - SPCR_TFIC_FIELD), + (PCH_TX_THOLD << SPCR_TFIC_FIELD), MASK_RFIC_SPCR_BITS | MASK_TFIC_SPCR_BITS); spin_unlock_irqrestore(&data->lock, flags); @@ -1035,13 +1053,20 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw) /* offset, length setting */ sg = dma->sg_rx_p; for (i = 0; i < num; i++, sg++) { - if (i == 0) { - sg->offset = 0; + if (i == (num - 2)) { + sg->offset = size * i; + sg->offset = sg->offset * (*bpw / 8); sg_set_page(sg, virt_to_page(dma->rx_buf_virt), rem, sg->offset); sg_dma_len(sg) = rem; + } else if (i == (num - 1)) { + sg->offset = size * (i - 1) + rem; + sg->offset = sg->offset * (*bpw / 8); + sg_set_page(sg, virt_to_page(dma->rx_buf_virt), size, + sg->offset); + sg_dma_len(sg) = size; } else { - sg->offset = rem + size * (i - 1); + sg->offset = size * i; sg->offset = sg->offset * (*bpw / 8); sg_set_page(sg, virt_to_page(dma->rx_buf_virt), size, sg->offset); @@ -1065,6 +1090,16 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw) dma->desc_rx = desc_rx; /* TX */ + if (data->bpw_len > PCH_DMA_TRANS_SIZE) { + num = data->bpw_len / PCH_DMA_TRANS_SIZE; + size = PCH_DMA_TRANS_SIZE; + rem = 16; + } else { + num = 1; + size = data->bpw_len; + rem = data->bpw_len; + } + dma->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC); sg_init_table(dma->sg_tx_p, num); /* Initialize SG table */ /* offset, length setting */ @@ -1162,6 +1197,7 @@ static void pch_spi_process_messages(struct work_struct *pwork) if (data->use_dma) pch_spi_request_dma(data, data->current_msg->spi->bits_per_word); + pch_spi_writereg(data->master, PCH_SSNXCR, SSN_NO_CONTROL); do { /* If we are already processing a message get the next transfer structure from the message otherwise retrieve @@ -1184,7 +1220,8 @@ static void pch_spi_process_messages(struct work_struct *pwork) if (data->use_dma) { pch_spi_handle_dma(data, &bpw); - pch_spi_start_transfer(data); + if (!pch_spi_start_transfer(data)) + goto out; pch_spi_copy_rx_data_for_dma(data, bpw); } else { pch_spi_set_tx(data, &bpw); @@ -1222,6 +1259,8 @@ static void pch_spi_process_messages(struct work_struct *pwork) } while (data->cur_trans != NULL); +out: + pch_spi_writereg(data->master, PCH_SSNXCR, SSN_HIGH); if (data->use_dma) pch_spi_release_dma(data); } diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index 6859af0778c..7611def97d0 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -241,8 +241,10 @@ static int labpc_eeprom_write_insn(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data); static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd); -#ifdef CONFIG_COMEDI_PCI +#ifdef CONFIG_ISA_DMA_API static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd); +#endif +#ifdef CONFIG_COMEDI_PCI static int labpc_find_device(struct comedi_device *dev, int bus, int slot); #endif static int labpc_dio_mem_callback(int dir, int port, int data, diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index a3f5162bfed..462fbc20561 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -1242,7 +1242,7 @@ static int zcache_pampd_get_data_and_free(char *data, size_t *bufsize, bool raw, int ret = 0; BUG_ON(!is_ephemeral(pool)); - zbud_decompress(virt_to_page(data), pampd); + zbud_decompress((struct page *)(data), pampd); zbud_free_and_delist((struct zbud_hdr *)pampd); atomic_dec(&zcache_curr_eph_pampd_count); return ret; diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index 497b2e718a7..5b773160200 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -1430,7 +1430,7 @@ static int iscsi_enforce_integrity_rules( u8 DataSequenceInOrder = 0; u8 ErrorRecoveryLevel = 0, SessionType = 0; u8 IFMarker = 0, OFMarker = 0; - u8 IFMarkInt_Reject = 0, OFMarkInt_Reject = 0; + u8 IFMarkInt_Reject = 1, OFMarkInt_Reject = 1; u32 FirstBurstLength = 0, MaxBurstLength = 0; struct iscsi_param *param = NULL; diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index a0d23bc0fc9..f00137f377b 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -875,40 +875,6 @@ void iscsit_inc_session_usage_count(struct iscsi_session *sess) } /* - * Used before iscsi_do[rx,tx]_data() to determine iov and [rx,tx]_marker - * array counts needed for sync and steering. - */ -static int iscsit_determine_sync_and_steering_counts( - struct iscsi_conn *conn, - struct iscsi_data_count *count) -{ - u32 length = count->data_length; - u32 marker, markint; - - count->sync_and_steering = 1; - - marker = (count->type == ISCSI_RX_DATA) ? - conn->of_marker : conn->if_marker; - markint = (count->type == ISCSI_RX_DATA) ? - (conn->conn_ops->OFMarkInt * 4) : - (conn->conn_ops->IFMarkInt * 4); - count->ss_iov_count = count->iov_count; - - while (length > 0) { - if (length >= marker) { - count->ss_iov_count += 3; - count->ss_marker_count += 2; - - length -= marker; - marker = markint; - } else - length = 0; - } - - return 0; -} - -/* * Setup conn->if_marker and conn->of_marker values based upon * the initial marker-less interval. (see iSCSI v19 A.2) */ @@ -1290,7 +1256,7 @@ int iscsit_fe_sendpage_sg( struct kvec iov; u32 tx_hdr_size, data_len; u32 offset = cmd->first_data_sg_off; - int tx_sent; + int tx_sent, iov_off; send_hdr: tx_hdr_size = ISCSI_HDR_LEN; @@ -1310,9 +1276,19 @@ send_hdr: } data_len = cmd->tx_size - tx_hdr_size - cmd->padding; - if (conn->conn_ops->DataDigest) + /* + * Set iov_off used by padding and data digest tx_data() calls below + * in order to determine proper offset into cmd->iov_data[] + */ + if (conn->conn_ops->DataDigest) { data_len -= ISCSI_CRC_LEN; - + if (cmd->padding) + iov_off = (cmd->iov_data_count - 2); + else + iov_off = (cmd->iov_data_count - 1); + } else { + iov_off = (cmd->iov_data_count - 1); + } /* * Perform sendpage() for each page in the scatterlist */ @@ -1341,8 +1317,7 @@ send_pg: send_padding: if (cmd->padding) { - struct kvec *iov_p = - &cmd->iov_data[cmd->iov_data_count-1]; + struct kvec *iov_p = &cmd->iov_data[iov_off++]; tx_sent = tx_data(conn, iov_p, 1, cmd->padding); if (cmd->padding != tx_sent) { @@ -1356,8 +1331,7 @@ send_padding: send_datacrc: if (conn->conn_ops->DataDigest) { - struct kvec *iov_d = - &cmd->iov_data[cmd->iov_data_count]; + struct kvec *iov_d = &cmd->iov_data[iov_off]; tx_sent = tx_data(conn, iov_d, 1, ISCSI_CRC_LEN); if (ISCSI_CRC_LEN != tx_sent) { @@ -1431,8 +1405,7 @@ static int iscsit_do_rx_data( struct iscsi_data_count *count) { int data = count->data_length, rx_loop = 0, total_rx = 0, iov_len; - u32 rx_marker_val[count->ss_marker_count], rx_marker_iov = 0; - struct kvec iov[count->ss_iov_count], *iov_p; + struct kvec *iov_p; struct msghdr msg; if (!conn || !conn->sock || !conn->conn_ops) @@ -1440,93 +1413,8 @@ static int iscsit_do_rx_data( memset(&msg, 0, sizeof(struct msghdr)); - if (count->sync_and_steering) { - int size = 0; - u32 i, orig_iov_count = 0; - u32 orig_iov_len = 0, orig_iov_loc = 0; - u32 iov_count = 0, per_iov_bytes = 0; - u32 *rx_marker, old_rx_marker = 0; - struct kvec *iov_record; - - memset(&rx_marker_val, 0, - count->ss_marker_count * sizeof(u32)); - memset(&iov, 0, count->ss_iov_count * sizeof(struct kvec)); - - iov_record = count->iov; - orig_iov_count = count->iov_count; - rx_marker = &conn->of_marker; - - i = 0; - size = data; - orig_iov_len = iov_record[orig_iov_loc].iov_len; - while (size > 0) { - pr_debug("rx_data: #1 orig_iov_len %u," - " orig_iov_loc %u\n", orig_iov_len, orig_iov_loc); - pr_debug("rx_data: #2 rx_marker %u, size" - " %u\n", *rx_marker, size); - - if (orig_iov_len >= *rx_marker) { - iov[iov_count].iov_len = *rx_marker; - iov[iov_count++].iov_base = - (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &rx_marker_val[rx_marker_iov++]; - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &rx_marker_val[rx_marker_iov++]; - old_rx_marker = *rx_marker; - - /* - * OFMarkInt is in 32-bit words. - */ - *rx_marker = (conn->conn_ops->OFMarkInt * 4); - size -= old_rx_marker; - orig_iov_len -= old_rx_marker; - per_iov_bytes += old_rx_marker; - - pr_debug("rx_data: #3 new_rx_marker" - " %u, size %u\n", *rx_marker, size); - } else { - iov[iov_count].iov_len = orig_iov_len; - iov[iov_count++].iov_base = - (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - per_iov_bytes = 0; - *rx_marker -= orig_iov_len; - size -= orig_iov_len; - - if (size) - orig_iov_len = - iov_record[++orig_iov_loc].iov_len; - - pr_debug("rx_data: #4 new_rx_marker" - " %u, size %u\n", *rx_marker, size); - } - } - data += (rx_marker_iov * (MARKER_SIZE / 2)); - - iov_p = &iov[0]; - iov_len = iov_count; - - if (iov_count > count->ss_iov_count) { - pr_err("iov_count: %d, count->ss_iov_count:" - " %d\n", iov_count, count->ss_iov_count); - return -1; - } - if (rx_marker_iov > count->ss_marker_count) { - pr_err("rx_marker_iov: %d, count->ss_marker" - "_count: %d\n", rx_marker_iov, - count->ss_marker_count); - return -1; - } - } else { - iov_p = count->iov; - iov_len = count->iov_count; - } + iov_p = count->iov; + iov_len = count->iov_count; while (total_rx < data) { rx_loop = kernel_recvmsg(conn->sock, &msg, iov_p, iov_len, @@ -1541,16 +1429,6 @@ static int iscsit_do_rx_data( rx_loop, total_rx, data); } - if (count->sync_and_steering) { - int j; - for (j = 0; j < rx_marker_iov; j++) { - pr_debug("rx_data: #5 j: %d, offset: %d\n", - j, rx_marker_val[j]); - conn->of_marker_offset = rx_marker_val[j]; - } - total_rx -= (rx_marker_iov * (MARKER_SIZE / 2)); - } - return total_rx; } @@ -1559,8 +1437,7 @@ static int iscsit_do_tx_data( struct iscsi_data_count *count) { int data = count->data_length, total_tx = 0, tx_loop = 0, iov_len; - u32 tx_marker_val[count->ss_marker_count], tx_marker_iov = 0; - struct kvec iov[count->ss_iov_count], *iov_p; + struct kvec *iov_p; struct msghdr msg; if (!conn || !conn->sock || !conn->conn_ops) @@ -1573,98 +1450,8 @@ static int iscsit_do_tx_data( memset(&msg, 0, sizeof(struct msghdr)); - if (count->sync_and_steering) { - int size = 0; - u32 i, orig_iov_count = 0; - u32 orig_iov_len = 0, orig_iov_loc = 0; - u32 iov_count = 0, per_iov_bytes = 0; - u32 *tx_marker, old_tx_marker = 0; - struct kvec *iov_record; - - memset(&tx_marker_val, 0, - count->ss_marker_count * sizeof(u32)); - memset(&iov, 0, count->ss_iov_count * sizeof(struct kvec)); - - iov_record = count->iov; - orig_iov_count = count->iov_count; - tx_marker = &conn->if_marker; - - i = 0; - size = data; - orig_iov_len = iov_record[orig_iov_loc].iov_len; - while (size > 0) { - pr_debug("tx_data: #1 orig_iov_len %u," - " orig_iov_loc %u\n", orig_iov_len, orig_iov_loc); - pr_debug("tx_data: #2 tx_marker %u, size" - " %u\n", *tx_marker, size); - - if (orig_iov_len >= *tx_marker) { - iov[iov_count].iov_len = *tx_marker; - iov[iov_count++].iov_base = - (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - tx_marker_val[tx_marker_iov] = - (size - *tx_marker); - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &tx_marker_val[tx_marker_iov++]; - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &tx_marker_val[tx_marker_iov++]; - old_tx_marker = *tx_marker; - - /* - * IFMarkInt is in 32-bit words. - */ - *tx_marker = (conn->conn_ops->IFMarkInt * 4); - size -= old_tx_marker; - orig_iov_len -= old_tx_marker; - per_iov_bytes += old_tx_marker; - - pr_debug("tx_data: #3 new_tx_marker" - " %u, size %u\n", *tx_marker, size); - pr_debug("tx_data: #4 offset %u\n", - tx_marker_val[tx_marker_iov-1]); - } else { - iov[iov_count].iov_len = orig_iov_len; - iov[iov_count++].iov_base - = (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - per_iov_bytes = 0; - *tx_marker -= orig_iov_len; - size -= orig_iov_len; - - if (size) - orig_iov_len = - iov_record[++orig_iov_loc].iov_len; - - pr_debug("tx_data: #5 new_tx_marker" - " %u, size %u\n", *tx_marker, size); - } - } - - data += (tx_marker_iov * (MARKER_SIZE / 2)); - - iov_p = &iov[0]; - iov_len = iov_count; - - if (iov_count > count->ss_iov_count) { - pr_err("iov_count: %d, count->ss_iov_count:" - " %d\n", iov_count, count->ss_iov_count); - return -1; - } - if (tx_marker_iov > count->ss_marker_count) { - pr_err("tx_marker_iov: %d, count->ss_marker" - "_count: %d\n", tx_marker_iov, - count->ss_marker_count); - return -1; - } - } else { - iov_p = count->iov; - iov_len = count->iov_count; - } + iov_p = count->iov; + iov_len = count->iov_count; while (total_tx < data) { tx_loop = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len, @@ -1679,9 +1466,6 @@ static int iscsit_do_tx_data( tx_loop, total_tx, data); } - if (count->sync_and_steering) - total_tx -= (tx_marker_iov * (MARKER_SIZE / 2)); - return total_tx; } @@ -1702,12 +1486,6 @@ int rx_data( c.data_length = data; c.type = ISCSI_RX_DATA; - if (conn->conn_ops->OFMarker && - (conn->conn_state >= TARG_CONN_STATE_LOGGED_IN)) { - if (iscsit_determine_sync_and_steering_counts(conn, &c) < 0) - return -1; - } - return iscsit_do_rx_data(conn, &c); } @@ -1728,12 +1506,6 @@ int tx_data( c.data_length = data; c.type = ISCSI_TX_DATA; - if (conn->conn_ops->IFMarker && - (conn->conn_state >= TARG_CONN_STATE_LOGGED_IN)) { - if (iscsit_determine_sync_and_steering_counts(conn, &c) < 0) - return -1; - } - return iscsit_do_tx_data(conn, &c); } diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c index 89ae923c5da..f04d4ef99dc 100644 --- a/drivers/target/target_core_cdb.c +++ b/drivers/target/target_core_cdb.c @@ -24,6 +24,7 @@ */ #include <linux/kernel.h> +#include <linux/ctype.h> #include <asm/unaligned.h> #include <scsi/scsi.h> @@ -154,6 +155,37 @@ target_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf) return 0; } +static void +target_parse_naa_6h_vendor_specific(struct se_device *dev, unsigned char *buf_off) +{ + unsigned char *p = &dev->se_sub_dev->t10_wwn.unit_serial[0]; + unsigned char *buf = buf_off; + int cnt = 0, next = 1; + /* + * Generate up to 36 bits of VENDOR SPECIFIC IDENTIFIER starting on + * byte 3 bit 3-0 for NAA IEEE Registered Extended DESIGNATOR field + * format, followed by 64 bits of VENDOR SPECIFIC IDENTIFIER EXTENSION + * to complete the payload. These are based from VPD=0x80 PRODUCT SERIAL + * NUMBER set via vpd_unit_serial in target_core_configfs.c to ensure + * per device uniqeness. + */ + while (*p != '\0') { + if (cnt >= 13) + break; + if (!isxdigit(*p)) { + p++; + continue; + } + if (next != 0) { + buf[cnt++] |= hex_to_bin(*p++); + next = 0; + } else { + buf[cnt] = hex_to_bin(*p++) << 4; + next = 1; + } + } +} + /* * Device identification VPD, for a complete list of * DESIGNATOR TYPEs see spc4r17 Table 459. @@ -219,8 +251,7 @@ target_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf) * VENDOR_SPECIFIC_IDENTIFIER and * VENDOR_SPECIFIC_IDENTIFIER_EXTENTION */ - buf[off++] |= hex_to_bin(dev->se_sub_dev->t10_wwn.unit_serial[0]); - hex2bin(&buf[off], &dev->se_sub_dev->t10_wwn.unit_serial[1], 12); + target_parse_naa_6h_vendor_specific(dev, &buf[off]); len = 20; off = (len + 4); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 8d0c58ea631..a4b0a8d27f2 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -977,15 +977,17 @@ static void target_qf_do_work(struct work_struct *work) { struct se_device *dev = container_of(work, struct se_device, qf_work_queue); + LIST_HEAD(qf_cmd_list); struct se_cmd *cmd, *cmd_tmp; spin_lock_irq(&dev->qf_cmd_lock); - list_for_each_entry_safe(cmd, cmd_tmp, &dev->qf_cmd_list, se_qf_node) { + list_splice_init(&dev->qf_cmd_list, &qf_cmd_list); + spin_unlock_irq(&dev->qf_cmd_lock); + list_for_each_entry_safe(cmd, cmd_tmp, &qf_cmd_list, se_qf_node) { list_del(&cmd->se_qf_node); atomic_dec(&dev->dev_qf_count); smp_mb__after_atomic_dec(); - spin_unlock_irq(&dev->qf_cmd_lock); pr_debug("Processing %s cmd: %p QUEUE_FULL in work queue" " context: %s\n", cmd->se_tfo->get_fabric_name(), cmd, @@ -997,10 +999,7 @@ static void target_qf_do_work(struct work_struct *work) * has been added to head of queue */ transport_add_cmd_to_queue(cmd, cmd->t_state); - - spin_lock_irq(&dev->qf_cmd_lock); } - spin_unlock_irq(&dev->qf_cmd_lock); } unsigned char *transport_dump_cmd_direction(struct se_cmd *cmd) diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h index bd4fe21a23b..3749d8b4b42 100644 --- a/drivers/target/tcm_fc/tcm_fc.h +++ b/drivers/target/tcm_fc/tcm_fc.h @@ -98,8 +98,7 @@ struct ft_tpg { struct list_head list; /* linkage in ft_lport_acl tpg_list */ struct list_head lun_list; /* head of LUNs */ struct se_portal_group se_tpg; - struct task_struct *thread; /* processing thread */ - struct se_queue_obj qobj; /* queue for processing thread */ + struct workqueue_struct *workqueue; }; struct ft_lport_acl { @@ -110,16 +109,10 @@ struct ft_lport_acl { struct se_wwn fc_lport_wwn; }; -enum ft_cmd_state { - FC_CMD_ST_NEW = 0, - FC_CMD_ST_REJ -}; - /* * Commands */ struct ft_cmd { - enum ft_cmd_state state; u32 lun; /* LUN from request */ struct ft_sess *sess; /* session held for cmd */ struct fc_seq *seq; /* sequence in exchange mgr */ @@ -127,7 +120,7 @@ struct ft_cmd { struct fc_frame *req_frame; unsigned char *cdb; /* pointer to CDB inside frame */ u32 write_data_len; /* data received on writes */ - struct se_queue_req se_req; + struct work_struct work; /* Local sense buffer */ unsigned char ft_sense_buffer[TRANSPORT_SENSE_BUFFER]; u32 was_ddp_setup:1; /* Set only if ddp is setup */ @@ -177,7 +170,6 @@ int ft_is_state_remove(struct se_cmd *); /* * other internal functions. */ -int ft_thread(void *); void ft_recv_req(struct ft_sess *, struct fc_frame *); struct ft_tpg *ft_lport_find_tpg(struct fc_lport *); struct ft_node_acl *ft_acl_get(struct ft_tpg *, struct fc_rport_priv *); diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index 5654dc22f7a..80fbcde00cb 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -62,8 +62,8 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller) int count; se_cmd = &cmd->se_cmd; - pr_debug("%s: cmd %p state %d sess %p seq %p se_cmd %p\n", - caller, cmd, cmd->state, cmd->sess, cmd->seq, se_cmd); + pr_debug("%s: cmd %p sess %p seq %p se_cmd %p\n", + caller, cmd, cmd->sess, cmd->seq, se_cmd); pr_debug("%s: cmd %p cdb %p\n", caller, cmd, cmd->cdb); pr_debug("%s: cmd %p lun %d\n", caller, cmd, cmd->lun); @@ -90,38 +90,6 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller) 16, 4, cmd->cdb, MAX_COMMAND_SIZE, 0); } -static void ft_queue_cmd(struct ft_sess *sess, struct ft_cmd *cmd) -{ - struct ft_tpg *tpg = sess->tport->tpg; - struct se_queue_obj *qobj = &tpg->qobj; - unsigned long flags; - - qobj = &sess->tport->tpg->qobj; - spin_lock_irqsave(&qobj->cmd_queue_lock, flags); - list_add_tail(&cmd->se_req.qr_list, &qobj->qobj_list); - atomic_inc(&qobj->queue_cnt); - spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags); - - wake_up_process(tpg->thread); -} - -static struct ft_cmd *ft_dequeue_cmd(struct se_queue_obj *qobj) -{ - unsigned long flags; - struct se_queue_req *qr; - - spin_lock_irqsave(&qobj->cmd_queue_lock, flags); - if (list_empty(&qobj->qobj_list)) { - spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags); - return NULL; - } - qr = list_first_entry(&qobj->qobj_list, struct se_queue_req, qr_list); - list_del(&qr->qr_list); - atomic_dec(&qobj->queue_cnt); - spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags); - return container_of(qr, struct ft_cmd, se_req); -} - static void ft_free_cmd(struct ft_cmd *cmd) { struct fc_frame *fp; @@ -282,9 +250,7 @@ u32 ft_get_task_tag(struct se_cmd *se_cmd) int ft_get_cmd_state(struct se_cmd *se_cmd) { - struct ft_cmd *cmd = container_of(se_cmd, struct ft_cmd, se_cmd); - - return cmd->state; + return 0; } int ft_is_state_remove(struct se_cmd *se_cmd) @@ -505,6 +471,8 @@ int ft_queue_tm_resp(struct se_cmd *se_cmd) return 0; } +static void ft_send_work(struct work_struct *work); + /* * Handle incoming FCP command. */ @@ -523,7 +491,9 @@ static void ft_recv_cmd(struct ft_sess *sess, struct fc_frame *fp) goto busy; } cmd->req_frame = fp; /* hold frame during cmd */ - ft_queue_cmd(sess, cmd); + + INIT_WORK(&cmd->work, ft_send_work); + queue_work(sess->tport->tpg->workqueue, &cmd->work); return; busy: @@ -563,12 +533,13 @@ void ft_recv_req(struct ft_sess *sess, struct fc_frame *fp) /* * Send new command to target. */ -static void ft_send_cmd(struct ft_cmd *cmd) +static void ft_send_work(struct work_struct *work) { + struct ft_cmd *cmd = container_of(work, struct ft_cmd, work); struct fc_frame_header *fh = fc_frame_header_get(cmd->req_frame); struct se_cmd *se_cmd; struct fcp_cmnd *fcp; - int data_dir; + int data_dir = 0; u32 data_len; int task_attr; int ret; @@ -675,42 +646,3 @@ static void ft_send_cmd(struct ft_cmd *cmd) err: ft_send_resp_code_and_free(cmd, FCP_CMND_FIELDS_INVALID); } - -/* - * Handle request in the command thread. - */ -static void ft_exec_req(struct ft_cmd *cmd) -{ - pr_debug("cmd state %x\n", cmd->state); - switch (cmd->state) { - case FC_CMD_ST_NEW: - ft_send_cmd(cmd); - break; - default: - break; - } -} - -/* - * Processing thread. - * Currently one thread per tpg. - */ -int ft_thread(void *arg) -{ - struct ft_tpg *tpg = arg; - struct se_queue_obj *qobj = &tpg->qobj; - struct ft_cmd *cmd; - - while (!kthread_should_stop()) { - schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT); - if (kthread_should_stop()) - goto out; - - cmd = ft_dequeue_cmd(qobj); - if (cmd) - ft_exec_req(cmd); - } - -out: - return 0; -} diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c index b15879d43e2..8fa39b74f22 100644 --- a/drivers/target/tcm_fc/tfc_conf.c +++ b/drivers/target/tcm_fc/tfc_conf.c @@ -327,7 +327,6 @@ static struct se_portal_group *ft_add_tpg( tpg->index = index; tpg->lport_acl = lacl; INIT_LIST_HEAD(&tpg->lun_list); - transport_init_queue_obj(&tpg->qobj); ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL); @@ -336,8 +335,8 @@ static struct se_portal_group *ft_add_tpg( return NULL; } - tpg->thread = kthread_run(ft_thread, tpg, "ft_tpg%lu", index); - if (IS_ERR(tpg->thread)) { + tpg->workqueue = alloc_workqueue("tcm_fc", 0, 1); + if (!tpg->workqueue) { kfree(tpg); return NULL; } @@ -356,7 +355,7 @@ static void ft_del_tpg(struct se_portal_group *se_tpg) pr_debug("del tpg %s\n", config_item_name(&tpg->se_tpg.tpg_group.cg_item)); - kthread_stop(tpg->thread); + destroy_workqueue(tpg->workqueue); /* Wait for sessions to be freed thru RCU, for BUG_ON below */ synchronize_rcu(); diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c index c37f4cd9645..d35ea5a3d56 100644 --- a/drivers/target/tcm_fc/tfc_io.c +++ b/drivers/target/tcm_fc/tfc_io.c @@ -219,43 +219,41 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp) if (cmd->was_ddp_setup) { BUG_ON(!ep); BUG_ON(!lport); - } - - /* - * Doesn't expect payload if DDP is setup. Payload - * is expected to be copied directly to user buffers - * due to DDP (Large Rx offload), - */ - buf = fc_frame_payload_get(fp, 1); - if (buf) - pr_err("%s: xid 0x%x, f_ctl 0x%x, cmd->sg %p, " + /* + * Since DDP (Large Rx offload) was setup for this request, + * payload is expected to be copied directly to user buffers. + */ + buf = fc_frame_payload_get(fp, 1); + if (buf) + pr_err("%s: xid 0x%x, f_ctl 0x%x, cmd->sg %p, " "cmd->sg_cnt 0x%x. DDP was setup" " hence not expected to receive frame with " - "payload, Frame will be dropped if " - "'Sequence Initiative' bit in f_ctl is " + "payload, Frame will be dropped if" + "'Sequence Initiative' bit in f_ctl is" "not set\n", __func__, ep->xid, f_ctl, cmd->sg, cmd->sg_cnt); - /* - * Invalidate HW DDP context if it was setup for respective - * command. Invalidation of HW DDP context is requited in both - * situation (success and error). - */ - ft_invl_hw_context(cmd); + /* + * Invalidate HW DDP context if it was setup for respective + * command. Invalidation of HW DDP context is requited in both + * situation (success and error). + */ + ft_invl_hw_context(cmd); - /* - * If "Sequence Initiative (TSI)" bit set in f_ctl, means last - * write data frame is received successfully where payload is - * posted directly to user buffer and only the last frame's - * header is posted in receive queue. - * - * If "Sequence Initiative (TSI)" bit is not set, means error - * condition w.r.t. DDP, hence drop the packet and let explict - * ABORTS from other end of exchange timer trigger the recovery. - */ - if (f_ctl & FC_FC_SEQ_INIT) - goto last_frame; - else - goto drop; + /* + * If "Sequence Initiative (TSI)" bit set in f_ctl, means last + * write data frame is received successfully where payload is + * posted directly to user buffer and only the last frame's + * header is posted in receive queue. + * + * If "Sequence Initiative (TSI)" bit is not set, means error + * condition w.r.t. DDP, hence drop the packet and let explict + * ABORTS from other end of exchange timer trigger the recovery. + */ + if (f_ctl & FC_FC_SEQ_INIT) + goto last_frame; + else + goto drop; + } rel_off = ntohl(fh->fh_parm_offset); frame_len = fr_len(fp); diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 225123b37f1..58be715913c 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -4450,7 +4450,7 @@ static int __init rs_init(void) #if defined(CONFIG_ETRAX_RS485) #if defined(CONFIG_ETRAX_RS485_ON_PA) - if (cris_io_interface_allocate_pins(if_ser0, 'a', rs485_pa_bit, + if (cris_io_interface_allocate_pins(if_serial_0, 'a', rs485_pa_bit, rs485_pa_bit)) { printk(KERN_CRIT "ETRAX100LX serial: Could not allocate " "RS485 pin\n"); @@ -4459,7 +4459,7 @@ static int __init rs_init(void) } #endif #if defined(CONFIG_ETRAX_RS485_ON_PORT_G) - if (cris_io_interface_allocate_pins(if_ser0, 'g', rs485_pa_bit, + if (cris_io_interface_allocate_pins(if_serial_0, 'g', rs485_pa_bit, rs485_port_g_bit)) { printk(KERN_CRIT "ETRAX100LX serial: Could not allocate " "RS485 pin\n"); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1e96d1f1fe6..723f8231193 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -761,7 +761,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) memset(buf, 0, retval); status = 0; - mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC; + mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC; spin_lock_irqsave(&xhci->lock, flags); /* For each port, did anything change? If so, set that bit in buf. */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 54139a2f06c..952e2ded61a 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1934,8 +1934,10 @@ static int handle_tx_event(struct xhci_hcd *xhci, int status = -EINPROGRESS; struct urb_priv *urb_priv; struct xhci_ep_ctx *ep_ctx; + struct list_head *tmp; u32 trb_comp_code; int ret = 0; + int td_num = 0; slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags)); xdev = xhci->devs[slot_id]; @@ -1957,6 +1959,12 @@ static int handle_tx_event(struct xhci_hcd *xhci, return -ENODEV; } + /* Count current td numbers if ep->skip is set */ + if (ep->skip) { + list_for_each(tmp, &ep_ring->td_list) + td_num++; + } + event_dma = le64_to_cpu(event->buffer); trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len)); /* Look for common error cases */ @@ -2068,7 +2076,18 @@ static int handle_tx_event(struct xhci_hcd *xhci, goto cleanup; } + /* We've skipped all the TDs on the ep ring when ep->skip set */ + if (ep->skip && td_num == 0) { + ep->skip = false; + xhci_dbg(xhci, "All tds on the ep_ring skipped. " + "Clear skip flag.\n"); + ret = 0; + goto cleanup; + } + td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list); + if (ep->skip) + td_num--; /* Is this a TRB in the currently executing TD? */ event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue, diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 80d292fb92d..7363c1b169e 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -19,7 +19,7 @@ #include <asm/backlight.h> #endif -static const char const *backlight_types[] = { +static const char *const backlight_types[] = { [BACKLIGHT_RAW] = "raw", [BACKLIGHT_PLATFORM] = "platform", [BACKLIGHT_FIRMWARE] = "firmware", diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 410fba45378..809cbda03d7 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -494,15 +494,16 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason, asminline_call(&cmn_regs, cru_rom_addr); die_nmi_called = 1; spin_unlock_irqrestore(&rom_lock, rom_pl); + + if (allow_kdump) + hpwdt_stop(); + if (!is_icru) { if (cmn_regs.u1.ral == 0) { - printk(KERN_WARNING "hpwdt: An NMI occurred, " + panic("An NMI occurred, " "but unable to determine source.\n"); } } - - if (allow_kdump) - hpwdt_stop(); panic("An NMI occurred, please see the Integrated " "Management Log for details.\n"); diff --git a/drivers/watchdog/lantiq_wdt.c b/drivers/watchdog/lantiq_wdt.c index 7d82adac1cb..102aed0efbf 100644 --- a/drivers/watchdog/lantiq_wdt.c +++ b/drivers/watchdog/lantiq_wdt.c @@ -51,16 +51,16 @@ static int ltq_wdt_ok_to_close; static void ltq_wdt_enable(void) { - ltq_wdt_timeout = ltq_wdt_timeout * + unsigned long int timeout = ltq_wdt_timeout * (ltq_io_region_clk_rate / LTQ_WDT_DIVIDER) + 0x1000; - if (ltq_wdt_timeout > LTQ_MAX_TIMEOUT) - ltq_wdt_timeout = LTQ_MAX_TIMEOUT; + if (timeout > LTQ_MAX_TIMEOUT) + timeout = LTQ_MAX_TIMEOUT; /* write the first password magic */ ltq_w32(LTQ_WDT_PW1, ltq_wdt_membase + LTQ_WDT_CR); /* write the second magic plus the configuration and new timeout */ ltq_w32(LTQ_WDT_SR_EN | LTQ_WDT_SR_PWD | LTQ_WDT_SR_CLKDIV | - LTQ_WDT_PW2 | ltq_wdt_timeout, ltq_wdt_membase + LTQ_WDT_CR); + LTQ_WDT_PW2 | timeout, ltq_wdt_membase + LTQ_WDT_CR); } static void diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c index 3066a5127ca..eaca366b723 100644 --- a/drivers/watchdog/sbc_epx_c3.c +++ b/drivers/watchdog/sbc_epx_c3.c @@ -173,7 +173,7 @@ static struct notifier_block epx_c3_notifier = { .notifier_call = epx_c3_notify_sys, }; -static const char banner[] __initdata = KERN_INFO PFX +static const char banner[] __initconst = KERN_INFO PFX "Hardware Watchdog Timer for Winsystems EPX-C3 SBC: 0.1\n"; static int __init watchdog_init(void) diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index d33520d0b4c..1199da0f98c 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -59,7 +59,7 @@ static struct watchdog_device *wdd; static int watchdog_ping(struct watchdog_device *wddev) { - if (test_bit(WDOG_ACTIVE, &wdd->status)) { + if (test_bit(WDOG_ACTIVE, &wddev->status)) { if (wddev->ops->ping) return wddev->ops->ping(wddev); /* ping the watchdog */ else @@ -81,12 +81,12 @@ static int watchdog_start(struct watchdog_device *wddev) { int err; - if (!test_bit(WDOG_ACTIVE, &wdd->status)) { + if (!test_bit(WDOG_ACTIVE, &wddev->status)) { err = wddev->ops->start(wddev); if (err < 0) return err; - set_bit(WDOG_ACTIVE, &wdd->status); + set_bit(WDOG_ACTIVE, &wddev->status); } return 0; } @@ -105,18 +105,18 @@ static int watchdog_stop(struct watchdog_device *wddev) { int err = -EBUSY; - if (test_bit(WDOG_NO_WAY_OUT, &wdd->status)) { + if (test_bit(WDOG_NO_WAY_OUT, &wddev->status)) { pr_info("%s: nowayout prevents watchdog to be stopped!\n", - wdd->info->identity); + wddev->info->identity); return err; } - if (test_bit(WDOG_ACTIVE, &wdd->status)) { + if (test_bit(WDOG_ACTIVE, &wddev->status)) { err = wddev->ops->stop(wddev); if (err < 0) return err; - clear_bit(WDOG_ACTIVE, &wdd->status); + clear_bit(WDOG_ACTIVE, &wddev->status); } return 0; } diff --git a/drivers/xen/events.c b/drivers/xen/events.c index da70f5c32eb..7523719bf8a 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -54,7 +54,7 @@ * This lock protects updates to the following mapping and reference-count * arrays. The lock does not need to be acquired to read the mapping tables. */ -static DEFINE_SPINLOCK(irq_mapping_update_lock); +static DEFINE_MUTEX(irq_mapping_update_lock); static LIST_HEAD(xen_irq_list_head); @@ -631,7 +631,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, int irq = -1; struct physdev_irq irq_op; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = find_irq_by_gsi(gsi); if (irq != -1) { @@ -684,7 +684,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, handle_edge_irq, name); out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -710,7 +710,7 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, { int irq, ret; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = xen_allocate_irq_dynamic(); if (irq == -1) @@ -724,10 +724,10 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, if (ret < 0) goto error_irq; out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; error_irq: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); xen_free_irq(irq); return -1; } @@ -740,7 +740,7 @@ int xen_destroy_irq(int irq) struct irq_info *info = info_for_irq(irq); int rc = -ENOENT; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); desc = irq_to_desc(irq); if (!desc) @@ -766,7 +766,7 @@ int xen_destroy_irq(int irq) xen_free_irq(irq); out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return rc; } @@ -776,7 +776,7 @@ int xen_irq_from_pirq(unsigned pirq) struct irq_info *info; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); list_for_each_entry(info, &xen_irq_list_head, list) { if (info == NULL || info->type != IRQT_PIRQ) @@ -787,7 +787,7 @@ int xen_irq_from_pirq(unsigned pirq) } irq = -1; out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -802,7 +802,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) { int irq; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = evtchn_to_irq[evtchn]; @@ -818,7 +818,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) } out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -829,7 +829,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) struct evtchn_bind_ipi bind_ipi; int evtchn, irq; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = per_cpu(ipi_to_irq, cpu)[ipi]; @@ -853,7 +853,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) } out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -878,7 +878,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) struct evtchn_bind_virq bind_virq; int evtchn, irq; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = per_cpu(virq_to_irq, cpu)[virq]; @@ -903,7 +903,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) } out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -913,7 +913,7 @@ static void unbind_from_irq(unsigned int irq) struct evtchn_close close; int evtchn = evtchn_from_irq(irq); - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); if (VALID_EVTCHN(evtchn)) { close.port = evtchn; @@ -943,7 +943,7 @@ static void unbind_from_irq(unsigned int irq) xen_free_irq(irq); - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); } int bind_evtchn_to_irqhandler(unsigned int evtchn, @@ -1279,7 +1279,7 @@ void rebind_evtchn_irq(int evtchn, int irq) will also be masked. */ disable_irq(irq); - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); /* After resume the irq<->evtchn mappings are all cleared out */ BUG_ON(evtchn_to_irq[evtchn] != -1); @@ -1289,7 +1289,7 @@ void rebind_evtchn_irq(int evtchn, int irq) xen_irq_info_evtchn_init(irq, evtchn); - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); /* new event channels are always bound to cpu 0 */ irq_set_affinity(irq, cpumask_of(0)); diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c index e0c2807b097..181fa8158a8 100644 --- a/drivers/zorro/zorro.c +++ b/drivers/zorro/zorro.c @@ -148,10 +148,10 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, bus); - /* Register all devices */ pr_info("Zorro: Probing AutoConfig expansion devices: %u device%s\n", zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); + /* First identify all devices ... */ for (i = 0; i < zorro_num_autocon; i++) { z = &zorro_autocon[i]; z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8); @@ -172,6 +172,11 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) dev_set_name(&z->dev, "%02x", i); z->dev.parent = &bus->dev; z->dev.bus = &zorro_bus_type; + } + + /* ... then register them */ + for (i = 0; i < zorro_num_autocon; i++) { + z = &zorro_autocon[i]; error = device_register(&z->dev); if (error) { dev_err(&bus->dev, "Error registering device %s\n", |