diff options
| author | John Crispin <blogic@openwrt.org> | 2011-12-20 21:40:21 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-01-04 19:37:42 +0100 |
| commit | 1a0703ede4493bd74f9c6b53f782b749e175a88e (patch) | |
| tree | ee86f6148f53af7ddcc329a28f45d7679642780d /include | |
| parent | GPIO/pl061: Add suspend resume capability (diff) | |
| download | linux-1a0703ede4493bd74f9c6b53f782b749e175a88e.tar.xz linux-1a0703ede4493bd74f9c6b53f782b749e175a88e.zip | |
GPIO: add bindings for managed devices
This patch adds 2 functions that allow managed devices to request GPIOs.
These GPIOs will then be managed by drivers/base/devres.c.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/gpio.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index d466c8d8826d..1ff4e221cb4d 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -177,6 +177,10 @@ extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *labe extern int gpio_request_array(const struct gpio *array, size_t num); extern void gpio_free_array(const struct gpio *array, size_t num); +/* bindings for managed devices that want to request gpios */ +int devm_gpio_request(struct device *dev, unsigned gpio, const char *label); +void devm_gpio_free(struct device *dev, unsigned int gpio); + #ifdef CONFIG_GPIO_SYSFS /* |