diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 14 | ||||
| -rw-r--r-- | drivers/regulator/core.c | 2 |
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index b8197502a5ac..2e5b6982e76d 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -266,6 +266,20 @@ struct gpio_device *gpiod_to_gpio_device(struct gpio_desc *desc) EXPORT_SYMBOL_GPL(gpiod_to_gpio_device); /** + * gpiod_is_equal() - Check if two GPIO descriptors refer to the same pin. + * @desc: Descriptor to compare. + * @other: The second descriptor to compare against. + * + * Returns: + * True if the descriptors refer to the same physical pin. False otherwise. + */ +bool gpiod_is_equal(struct gpio_desc *desc, struct gpio_desc *other) +{ + return desc == other; +} +EXPORT_SYMBOL_GPL(gpiod_is_equal); + +/** * gpio_device_get_base() - Get the base GPIO number allocated by this device * @gdev: GPIO device * diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 90629a756693..7a248dc8d2e2 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2617,7 +2617,7 @@ static int regulator_ena_gpio_request(struct regulator_dev *rdev, mutex_lock(®ulator_list_mutex); list_for_each_entry(pin, ®ulator_ena_gpio_list, list) { - if (pin->gpiod == gpiod) { + if (gpiod_is_equal(pin->gpiod, gpiod)) { rdev_dbg(rdev, "GPIO is already used\n"); goto update_ena_gpio_to_rdev; } |