diff options
Diffstat (limited to 'include/linux/gpio.h')
| -rw-r--r-- | include/linux/gpio.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h index e41f7dd1ae67..f79d67f413e4 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -13,6 +13,7 @@ #include <linux/errno.h> struct device; +struct gpio; struct gpio_chip; /* @@ -29,7 +30,18 @@ static inline int gpio_is_valid(int number) return 0; } -static inline int gpio_request(unsigned gpio, const char *label) +static inline int __must_check gpio_request(unsigned gpio, const char *label) +{ + return -ENOSYS; +} + +static inline int __must_check gpio_request_one(unsigned gpio, + unsigned long flags, const char *label) +{ + return -ENOSYS; +} + +static inline int __must_check gpio_request_array(struct gpio *array, size_t num) { return -ENOSYS; } @@ -42,12 +54,20 @@ static inline void gpio_free(unsigned gpio) WARN_ON(1); } -static inline int gpio_direction_input(unsigned gpio) +static inline void gpio_free_array(struct gpio *array, size_t num) +{ + might_sleep(); + + /* GPIO can never have been requested */ + WARN_ON(1); +} + +static inline int __must_check gpio_direction_input(unsigned gpio) { return -ENOSYS; } -static inline int gpio_direction_output(unsigned gpio, int value) +static inline int __must_check gpio_direction_output(unsigned gpio, int value) { return -ENOSYS; } |