diff options
Diffstat (limited to 'include/linux/gpio.h')
| -rw-r--r-- | include/linux/gpio.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 4987a84078ef..730a20b83576 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -8,6 +8,9 @@ #else +#include <linux/types.h> +#include <linux/errno.h> + /* * Some platforms don't support the GPIO programming interface. * @@ -76,6 +79,19 @@ static inline void gpio_set_value_cansleep(unsigned gpio, int value) WARN_ON(1); } +static inline int gpio_export(unsigned gpio, bool direction_may_change) +{ + /* GPIO can never have been requested or set as {in,out}put */ + WARN_ON(1); + return -EINVAL; +} + +static inline void gpio_unexport(unsigned gpio) +{ + /* GPIO can never have been exported */ + WARN_ON(1); +} + static inline int gpio_to_irq(unsigned gpio) { /* GPIO can never have been requested or set as input */ |