diff options
| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-04 16:14:48 +0100 |
|---|---|---|
| committer |   Grant Likely <grant.likely@secretlab.ca> | 2012-04-05 21:40:32 -0700 |
| commit | 2c96922ae3f0bfb7324a7a433d96d319fe6de729 (patch) | |
| tree | 86e229aac18a6e294a15c903eb0374abda8041a2 /include/linux/gpio.h | |
| parent | gpio/langwell: clear IRQ edge detect registers at init (diff) | |
| download | linux-dev-2c96922ae3f0bfb7324a7a433d96d319fe6de729.tar.xz linux-dev-2c96922ae3f0bfb7324a7a433d96d319fe6de729.zip | |
gpiolib: Add !CONFIG_GPIOLIB definitions of devm_ functions
Currently the managed gpio_request() and gpio_free() are not stubbed out
for configurations not using gpiolib - do that to aid use in drivers.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'include/linux/gpio.h')
| -rw-r--r-- | include/linux/gpio.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h index af511a682925..d1890d46b6ce 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -60,6 +60,12 @@ static inline int gpio_request(unsigned gpio, const char *label) return -ENOSYS; } +static inline int devm_gpio_request(struct device *dev, unsigned gpio, + const char *label) +{ + return -ENOSYS; +} + static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label) { @@ -79,6 +85,14 @@ static inline void gpio_free(unsigned gpio) WARN_ON(1); } +static inline void devm_gpio_free(struct device *dev, unsigned gpio) +{ + might_sleep(); + + /* GPIO can never have been requested */ + WARN_ON(1); +} + static inline void gpio_free_array(const struct gpio *array, size_t num) { might_sleep(); |