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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-04 11:14:48 -0400
committerGrant Likely <grant.likely@secretlab.ca>2012-04-06 00:40:32 -0400
commit2c96922ae3f0bfb7324a7a433d96d319fe6de729 (patch)
tree86e229aac18a6e294a15c903eb0374abda8041a2 /include/linux/gpio.h
parentf5f93117f4ac24b8493cda67e6a1443517d26845 (diff)
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.h14
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)
60 return -ENOSYS; 60 return -ENOSYS;
61} 61}
62 62
63static inline int devm_gpio_request(struct device *dev, unsigned gpio,
64 const char *label)
65{
66 return -ENOSYS;
67}
68
63static inline int gpio_request_one(unsigned gpio, 69static inline int gpio_request_one(unsigned gpio,
64 unsigned long flags, const char *label) 70 unsigned long flags, const char *label)
65{ 71{
@@ -79,6 +85,14 @@ static inline void gpio_free(unsigned gpio)
79 WARN_ON(1); 85 WARN_ON(1);
80} 86}
81 87
88static inline void devm_gpio_free(struct device *dev, unsigned gpio)
89{
90 might_sleep();
91
92 /* GPIO can never have been requested */
93 WARN_ON(1);
94}
95
82static inline void gpio_free_array(const struct gpio *array, size_t num) 96static inline void gpio_free_array(const struct gpio *array, size_t num)
83{ 97{
84 might_sleep(); 98 might_sleep();