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Commit 7c322056 authored by Jacek Anaszewski's avatar Jacek Anaszewski
Browse files

leds: Replace {devm_}led_classdev_register() macros with inlines 



Replace preprocessor macro aliases for legacy LED registration helpers
with inline functions. It will allow to avoid misleading compiler error
messages about missing symbol that actually wasn't explicitly used
in the code. It used to occur when CONFIG_LEDS_CLASS was undefined
and legacy (non-ext) function had been used in the code.

Signed-off-by: default avatarJacek Anaszewski <jacek.anaszewski@gmail.com>
Acked-by: default avatarPavel Machek <pavel@ucw.cz>
parent 1dbb9fb4

include/linux/leds.h

+25 −4
Original line number Diff line number Diff line
@@ -157,18 +157,39 @@ struct led_classdev { 
 * @led_cdev: the led_classdev structure for this device

 * @init_data: the LED class device initialization data

 *

 * Register a new object of LED class, with name derived from init_data.

 *

 * Returns: 0 on success or negative error value on failure

 */

extern int led_classdev_register_ext(struct device *parent,

				     struct led_classdev *led_cdev,

				     struct led_init_data *init_data);

#define led_classdev_register(parent, led_cdev)			\

	led_classdev_register_ext(parent, led_cdev, NULL)



/**

 * led_classdev_register - register a new object of LED class

 * @parent: LED controller device this LED is driven by

 * @led_cdev: the led_classdev structure for this device

 *

 * Register a new object of LED class, with name derived from the name property

 * of passed led_cdev argument.

 *

 * Returns: 0 on success or negative error value on failure

 */

static inline int led_classdev_register(struct device *parent,

					struct led_classdev *led_cdev)

{

	return led_classdev_register_ext(parent, led_cdev, NULL);

}



extern int devm_led_classdev_register_ext(struct device *parent,

					  struct led_classdev *led_cdev,

					  struct led_init_data *init_data);

#define devm_led_classdev_register(parent, led_cdev)		\

	devm_led_classdev_register_ext(parent, led_cdev, NULL)



static inline int devm_led_classdev_register(struct device *parent,

					     struct led_classdev *led_cdev)

{

	return devm_led_classdev_register_ext(parent, led_cdev, NULL);

}

extern void led_classdev_unregister(struct led_classdev *led_cdev);

extern void devm_led_classdev_unregister(struct device *parent,

					 struct led_classdev *led_cdev);