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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-23 01:50:57 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-23 01:50:57 +0400
commitc7c8518498e82591d7784452f5674c3aeb4d079c (patch)
tree790ff7e6b6741daf32ec686b9a302b957b07c0f4 /include
parentece236ce2fad9c27a6fd2530f899289025194bce (diff)
parent591567a5ea25852f20b7ef2953f6f72020121199 (diff)
downloadlinux-c7c8518498e82591d7784452f5674c3aeb4d079c.tar.xz
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. ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/of_gpio.h42
-rw-r--r--include/linux/spi/74x164.h2
-rw-r--r--include/linux/spi/mcp23s08.h9
3 files changed, 37 insertions, 16 deletions
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
index 6598c04dab01..aec8025c786a 100644
--- a/include/linux/of_gpio.h
+++ b/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
*
diff --git a/include/linux/spi/74x164.h b/include/linux/spi/74x164.h
index d85c52f294a0..0aa6acc73317 100644
--- a/include/linux/spi/74x164.h
+++ b/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;
diff --git a/include/linux/spi/mcp23s08.h b/include/linux/spi/mcp23s08.h
index c42cff8ca191..2d676d5aaa89 100644
--- a/include/linux/spi/mcp23s08.h
+++ b/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);
};