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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>
This commit is contained in:
Mark Brown 2012-04-04 16:14:48 +01:00 committed by Grant Likely
parent f5f93117f4
commit 2c96922ae3
1 changed files with 14 additions and 0 deletions
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14
include/linux/gpio.h
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@ -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();