Merge tag 'staging-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging / IIO driver updates from Greg KH:
 "Here is the big staging and iio driver update for 5.2-rc1.

  Lots of tiny fixes all over the staging and IIO driver trees here,
  along with some new IIO drivers.

  The "counter" subsystem was added in here as well, as it is needed by
  the IIO drivers and subsystem.

  Also we ended up deleting two drivers, making this pull request remove
  a few hundred thousand lines of code, always a nice thing to see. Both
  of the drivers removed have been replaced with "real" drivers in their
  various subsystem directories, and they will be coming to you from
  those locations during this merge window.

  There are some core vt/selection changes in here, that was due to some
  cleanups needed for the speakup fixes. Those have all been acked by
  the various subsystem maintainers (i.e. me), so those are ok.

  We also added a few new drivers, for some odd hardware, giving new
  developers plenty to work on with basic coding style cleanups to come
  in the near future.

  Other than that, nothing unusual here.

  All of these have been in linux-next for a while with no reported
  issues, other than an odd gcc warning for one of the new drivers that
  should be fixed up soon"

[ I fixed up the warning myself  - Linus ]

* tag 'staging-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (663 commits)
  staging: kpc2000: kpc_spi: Fix build error for {read,write}q
  Staging: rtl8192e: Remove extra space before break statement
  Staging: rtl8192u: ieee80211: Fix if-else indentation warning
  Staging: rtl8192u: ieee80211: Fix indentation errors by removing extra spaces
  staging: most: cdev: fix chrdev_region leak in mod_exit
  staging: wlan-ng: Fix improper SPDX comment style
  staging: rtl8192u: ieee80211: Resolve ERROR reported by checkpatch
  staging: vc04_services: bcm2835-camera: Compress two lines into one line
  staging: rtl8723bs: core: Use !x in place of NULL comparison.
  staging: rtl8723bs: core: Prefer using the BIT Macro.
  staging: fieldbus: anybus-s: fix wait_for_completion_timeout return handling
  staging: kpc2000: fix up build problems with readq()
  staging: rtlwifi: move remaining phydm .h files
  staging: rtlwifi: strip down phydm .h files
  staging: rtlwifi: delete the staging driver
  staging: fieldbus: anybus-s: rename bus id field to avoid confusion
  staging: fieldbus: anybus-s: keep device bus id in bus endianness
  Staging: sm750fb: Change *array into *const array
  staging: rtl8192u: ieee80211: Fix spelling mistake
  staging: rtl8192u: ieee80211: Replace bit shifting with BIT macro
  ...

1 files changed, 52 insertions, 4 deletions

diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
index 838daa2be3ef..52cdcd2a89d6 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
@@ -7,7 +7,9 @@
 
 #include <linux/acpi.h>
 #include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/gpio/consumer.h>
+#include <linux/gpio/machine.h>
 #include <asm/olpc.h>
 
 /* TODO: this eventually belongs in linux/vx855.h */
@@ -38,6 +40,33 @@
 
 #define PREFIX "OLPC DCON:"
 
+enum dcon_gpios {
+	OLPC_DCON_STAT0,
+	OLPC_DCON_STAT1,
+	OLPC_DCON_LOAD,
+};
+
+struct gpiod_lookup_table gpios_table = {
+	.dev_id = NULL,
+	.table = {
+		GPIO_LOOKUP("VX855 South Bridge", VX855_GPIO(1), "dcon_load",
+			    GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("VX855 South Bridge", VX855_GPI(10), "dcon_stat0",
+			    GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("VX855 South Bridge", VX855_GPI(11), "dcon_stat1",
+			    GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
+static const struct dcon_gpio gpios_asis[] = {
+	[OLPC_DCON_STAT0] = { .name = "dcon_stat0", .flags = GPIOD_ASIS },
+	[OLPC_DCON_STAT1] = { .name = "dcon_stat1", .flags = GPIOD_ASIS },
+	[OLPC_DCON_LOAD] = { .name = "dcon_load", .flags = GPIOD_ASIS },
+};
+
+static struct gpio_desc *gpios[3];
+
 static void dcon_clear_irq(void)
 {
 	/* irq status will appear in PMIO_Rx50[6] (RW1C) on gpio12 */
@@ -57,6 +86,25 @@ static int dcon_was_irq(void)
 static int dcon_init_xo_1_5(struct dcon_priv *dcon)
 {
 	unsigned int irq;
+	const struct dcon_gpio *pin = &gpios_asis[0];
+	int i;
+	int ret;
+
+	/* Add GPIO look up table */
+	gpios_table.dev_id = dev_name(&dcon->client->dev);
+	gpiod_add_lookup_table(&gpios_table);
+
+	/* Get GPIO descriptor */
+	for (i = 0; i < ARRAY_SIZE(gpios_asis); i++) {
+		gpios[i] = devm_gpiod_get(&dcon->client->dev, pin[i].name,
+					  pin[i].flags);
+		if (IS_ERR(gpios[i])) {
+			ret = PTR_ERR(gpios[i]);
+			pr_err("failed to request %s GPIO: %d\n", pin[i].name,
+			       ret);
+			return ret;
+		}
+	}
 
 	dcon_clear_irq();
 
@@ -131,7 +179,7 @@ static void dcon_wiggle_xo_1_5(void)
 
 static void dcon_set_dconload_xo_1_5(int val)
 {
-	gpio_set_value(VX855_GPIO(1), val);
+	gpiod_set_value(gpios[OLPC_DCON_LOAD], val);
 }
 
 static int dcon_read_status_xo_1_5(u8 *status)
@@ -140,8 +188,8 @@ static int dcon_read_status_xo_1_5(u8 *status)
 		return -1;
 
 	/* i believe this is the same as "inb(0x44b) & 3" */
-	*status = gpio_get_value(VX855_GPI(10));
-	*status |= gpio_get_value(VX855_GPI(11)) << 1;
+	*status = gpiod_get_value(gpios[OLPC_DCON_STAT0]);
+	*status |= gpiod_get_value(gpios[OLPC_DCON_STAT1]) << 1;
 
 	dcon_clear_irq();