diff options
Diffstat (limited to 'backport-include/linux/gpio.h')
| -rw-r--r-- | backport-include/linux/gpio.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/backport-include/linux/gpio.h b/backport-include/linux/gpio.h new file mode 100644 index 0000000..ef4a8f1 --- /dev/null +++ b/backport-include/linux/gpio.h @@ -0,0 +1,35 @@ +#ifndef __BACKPORT_LINUX_GPIO_H +#define __BACKPORT_LINUX_GPIO_H +#include_next <linux/gpio.h> + +#if LINUX_VERSION_IS_LESS(3,5,0) +#define devm_gpio_request_one LINUX_BACKPORT(devm_gpio_request_one) +#define devm_gpio_request LINUX_BACKPORT(devm_gpio_request) +#ifdef CONFIG_GPIOLIB +int devm_gpio_request(struct device *dev, unsigned gpio, const char *label); +int devm_gpio_request_one(struct device *dev, unsigned gpio, + unsigned long flags, const char *label); +void devm_gpio_free(struct device *dev, unsigned int gpio); +#else +static inline int devm_gpio_request(struct device *dev, unsigned gpio, + const char *label) +{ + WARN_ON(1); + return -EINVAL; +} + +static inline int devm_gpio_request_one(struct device *dev, unsigned gpio, + unsigned long flags, const char *label) +{ + WARN_ON(1); + return -EINVAL; +} + +static inline void devm_gpio_free(struct device *dev, unsigned int gpio) +{ + WARN_ON(1); +} +#endif /* CONFIG_GPIOLIB */ +#endif + +#endif /* __BACKPORT_LINUX_GPIO_H */ |