diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2011-11-04 07:32:20 +0400 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2011-11-04 07:32:20 +0400 |
commit | 3983138c017b6aeab6ce3dbb1e9afbe80bdac496 (patch) | |
tree | 9fdcddfdb8ada91504c90e2551ba6a565ade7325 /include/linux/gpio.h | |
parent | ed5f886d16369fed5a69d96b8e85777c47206de1 (diff) | |
parent | 02aac316abf436a7529d46a71f7083f9f9ef4b49 (diff) | |
download | linux-3983138c017b6aeab6ce3dbb1e9afbe80bdac496.tar.xz |
Merge branch 'for-grant' of git://sources.calxeda.com/kernel/linux into devicetree/merge
Diffstat (limited to 'include/linux/gpio.h')
-rw-r--r-- | include/linux/gpio.h | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 17b5a0d80e42..38ac48b7d3a8 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -14,6 +14,18 @@ #define GPIOF_OUT_INIT_LOW (GPIOF_DIR_OUT | GPIOF_INIT_LOW) #define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH) +/** + * struct gpio - a structure describing a GPIO with configuration + * @gpio: the GPIO number + * @flags: GPIO configuration as specified by GPIOF_* + * @label: a literal description string of this GPIO + */ +struct gpio { + unsigned gpio; + unsigned long flags; + const char *label; +}; + #ifdef CONFIG_GENERIC_GPIO #include <asm/gpio.h> @@ -24,18 +36,8 @@ #include <linux/errno.h> struct device; -struct gpio; struct gpio_chip; -/* - * Some platforms don't support the GPIO programming interface. - * - * In case some driver uses it anyway (it should normally have - * depended on GENERIC_GPIO), these routines help the compiler - * optimize out much GPIO-related code ... or trigger a runtime - * warning when something is wrongly called. - */ - static inline bool gpio_is_valid(int number) { return false; |