Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6

* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6: (61 commits)
  gpio/mxc/mxs: fix build error introduced by the irq_gc_ack() renaming
  mcp23s08: add i2c support
  mcp23s08: isolate spi specific parts
  mcp23s08: get rid of setup/teardown callbacks
  gpio/tegra: dt: add binding for gpio polarity
  mcp23s08: remove unused work queue
  gpio/da9052: remove a redundant assignment for gpio->da9052
  gpio/mxc: add device tree probe support
  ARM: mxc: use ARCH_NR_GPIOS to define gpio number
  gpio/mxc: get rid of the uses of cpu_is_mx()
  gpio/mxc: add missing initialization of basic_mmio_gpio shadow variables
  gpio: Move mpc5200 gpio driver to drivers/gpio
  GPIO: DA9052 GPIO module v3
  gpio/tegra: Use engineering names in DT compatible property
  of/gpio: Add new method for getting gpios under different property names
  gpio/dt: Refine GPIO device tree binding
  gpio/ml-ioh: fix off-by-one for displaying variable i in dev_err
  gpio/pca953x: Deprecate meaningless device-tree bindings
  gpio/pca953x: Remove dynamic platform data pointer
  gpio/pca953x: Fix IRQ support.
  ...

include/linux/of_gpio.h

@@ -46,8 +46,9 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc)
 	return container_of(gc, struct of_mm_gpio_chip, gc);
 }
 
-extern int of_get_gpio_flags(struct device_node *np, int index,
-			     enum of_gpio_flags *flags);
+extern int of_get_named_gpio_flags(struct device_node *np,
+		const char *list_name, int index, enum of_gpio_flags *flags);
+
 extern unsigned int of_gpio_count(struct device_node *np);
 
 extern int of_mm_gpiochip_add(struct device_node *np,
@@ -60,8 +61,8 @@ extern struct gpio_chip *of_node_to_gpiochip(struct device_node *np);
 #else /* CONFIG_OF_GPIO */
 
 /* Drivers may not strictly depend on the GPIO support, so let them link. */
-static inline int of_get_gpio_flags(struct device_node *np, int index,
-				    enum of_gpio_flags *flags)
+static inline int of_get_named_gpio_flags(struct device_node *np,
+		const char *list_name, int index, enum of_gpio_flags *flags)
 {
 	return -ENOSYS;
 }
@@ -77,7 +78,38 @@ static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
 #endif /* CONFIG_OF_GPIO */
 
 /**
- * of_get_gpio - Get a GPIO number to use with GPIO API
+ * of_get_gpio_flags() - Get a GPIO number and flags to use with GPIO API
+ * @np:		device node to get GPIO from
+ * @index:	index of the GPIO
+ * @flags:	a flags pointer to fill in
+ *
+ * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
+ * value on the error condition. If @flags is not NULL the function also fills
+ * in flags for the GPIO.
+ */
+static inline int of_get_gpio_flags(struct device_node *np, int index,
+		      enum of_gpio_flags *flags)
+{
+	return of_get_named_gpio_flags(np, "gpios", index, flags);
+}
+
+/**
+ * of_get_named_gpio() - Get a GPIO number to use with GPIO API
+ * @np:		device node to get GPIO from
+ * @propname:	Name of property containing gpio specifier(s)
+ * @index:	index of the GPIO
+ *
+ * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
+ * value on the error condition.
+ */
+static inline int of_get_named_gpio(struct device_node *np,
+                                   const char *propname, int index)
+{
+	return of_get_named_gpio_flags(np, propname, index, NULL);
+}
+
+/**
+ * of_get_gpio() - Get a GPIO number to use with GPIO API
  * @np:		device node to get GPIO from
  * @index:	index of the GPIO
  *

include/linux/spi/74x164.h

@@ -1,8 +1,6 @@
 #ifndef LINUX_SPI_74X164_H
 #define LINUX_SPI_74X164_H
 
-#define GEN_74X164_DRIVER_NAME "74x164"
-
 struct gen_74x164_chip_platform_data {
 	/* number assigned to the first GPIO */
 	unsigned	base;

include/linux/spi/mcp23s08.h

@@ -22,13 +22,4 @@ struct mcp23s08_platform_data {
 	 * base to base+15 (or base+31 for s17 variant).
 	 */
 	unsigned	base;
-
-	void		*context;	/* param to setup/teardown */
-
-	int		(*setup)(struct spi_device *spi,
-					int gpio, unsigned ngpio,
-					void *context);
-	int		(*teardown)(struct spi_device *spi,
-					int gpio, unsigned ngpio,
-					void *context);
 };