Commit dad3386b authored by Bartosz Golaszewski's avatar Bartosz Golaszewski
Browse files

Merge tag 'gpiod-is-equal-for-v6.16-rc1' of... 

Merge tag 'gpiod-is-equal-for-v6.16-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/brgl/linux into gpio/for-next

Immutable tag for the regulator tree to pull from

gpio: provide gpiod_is_equal()
parents 27986833 265daffe

drivers/gpio/gpiolib.c

+14 −0
Original line number Diff line number Diff line
@@ -265,6 +265,20 @@ 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

include/linux/gpio/consumer.h

+9 −0
Original line number Diff line number Diff line
@@ -180,6 +180,8 @@ struct gpio_desc *devm_fwnode_gpiod_get_index(struct device *dev, 
					      enum gpiod_flags flags,

					      const char *label);



bool gpiod_is_equal(struct gpio_desc *desc, struct gpio_desc *other);



#else /* CONFIG_GPIOLIB */



#include <linux/bug.h>
@@ -547,6 +549,13 @@ struct gpio_desc *devm_fwnode_gpiod_get_index(struct device *dev, 
	return ERR_PTR(-ENOSYS);

}



static inline bool

gpiod_is_equal(struct gpio_desc *desc, struct gpio_desc *other)

{

	WARN_ON(desc || other);

	return false;

}



#endif /* CONFIG_GPIOLIB */



#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_HTE)