Commit 1cc55204 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Viresh Kumar
Browse files

PM / devfreq: Add devm_devfreq_add_governor() 



Add resource-managed variant of devfreq_add_governor().

Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Acked-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent e69709f6

drivers/devfreq/devfreq.c

+26 −0
Original line number Diff line number Diff line
@@ -1301,6 +1301,32 @@ int devfreq_add_governor(struct devfreq_governor *governor) 
}

EXPORT_SYMBOL(devfreq_add_governor);



static void devm_devfreq_remove_governor(void *governor)

{

	WARN_ON(devfreq_remove_governor(governor));

}



/**

 * devm_devfreq_add_governor() - Add devfreq governor

 * @dev:	device which adds devfreq governor

 * @governor:	the devfreq governor to be added

 *

 * This is a resource-managed variant of devfreq_add_governor().

 */

int devm_devfreq_add_governor(struct device *dev,

			      struct devfreq_governor *governor)

{

	int err;



	err = devfreq_add_governor(governor);

	if (err)

		return err;



	return devm_add_action_or_reset(dev, devm_devfreq_remove_governor,

					governor);

}

EXPORT_SYMBOL(devm_devfreq_add_governor);



/**

 * devfreq_remove_governor() - Remove devfreq feature from a device.

 * @governor:	the devfreq governor to be removed

drivers/devfreq/governor.h

+3 −0
Original line number Diff line number Diff line
@@ -84,6 +84,9 @@ void devfreq_update_interval(struct devfreq *devfreq, unsigned int *delay); 
int devfreq_add_governor(struct devfreq_governor *governor);

int devfreq_remove_governor(struct devfreq_governor *governor);



int devm_devfreq_add_governor(struct device *dev,

			      struct devfreq_governor *governor);



int devfreq_update_status(struct devfreq *devfreq, unsigned long freq);

int devfreq_update_target(struct devfreq *devfreq, unsigned long freq);