}
EXPORT_SYMBOL_GPL(devm_gpiod_put_array);
-
-
-
static void devm_gpio_release(struct device *dev, void *res)
{
unsigned *gpio = res;
gpio_free(*gpio);
}
-static int devm_gpio_match(struct device *dev, void *res, void *data)
-{
- unsigned *this = res, *gpio = data;
-
- return *this == *gpio;
-}
-
/**
* devm_gpio_request - request a GPIO for a managed device
* @dev: device to request the GPIO for
* same arguments and performs the same function as
* gpio_request(). GPIOs requested with this function will be
* automatically freed on driver detach.
- *
- * If an GPIO allocated with this function needs to be freed
- * separately, devm_gpio_free() must be used.
*/
-
int devm_gpio_request(struct device *dev, unsigned gpio, const char *label)
{
unsigned *dr;
}
EXPORT_SYMBOL_GPL(devm_gpio_request_one);
-/**
- * devm_gpio_free - free a GPIO
- * @dev: device to free GPIO for
- * @gpio: GPIO to free
- *
- * Except for the extra @dev argument, this function takes the
- * same arguments and performs the same function as gpio_free().
- * This function instead of gpio_free() should be used to manually
- * free GPIOs allocated with devm_gpio_request().
- */
-void devm_gpio_free(struct device *dev, unsigned int gpio)
-{
-
- WARN_ON(devres_release(dev, devm_gpio_release, devm_gpio_match,
- &gpio));
-}
-EXPORT_SYMBOL_GPL(devm_gpio_free);
-
static void devm_gpio_chip_release(void *data)
{
struct gpio_chip *gc = data;
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 /* ! CONFIG_GPIOLIB */
return -EINVAL;
}
-static inline void devm_gpio_free(struct device *dev, unsigned int gpio)
-{
- WARN_ON(1);
-}
-
#endif /* ! CONFIG_GPIOLIB */
#endif /* __LINUX_GPIO_H */