Commit b596d895 authored Aug 03, 2018 by Matthias Kaehlcke Committed by MyungJoo Ham Oct 02, 2018

PM / devfreq: Make update_devfreq() public



Currently update_devfreq() is only visible to devfreq governors outside
of devfreq.c. Make it public to allow drivers that adjust devfreq policies
to cause a re-evaluation of the frequency after a policy change.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

parent 6ff66e2a

drivers/devfreq/governor.h

+0 −3

Original line number	Diff line number	Diff line
		@@ -57,9 +57,6 @@ struct devfreq_governor {
		unsigned int event, void *data);
		};

		/* Caution: devfreq->lock must be locked before calling update_devfreq */
		extern int update_devfreq(struct devfreq *devfreq);

		extern void devfreq_monitor_start(struct devfreq *devfreq);
		extern void devfreq_monitor_stop(struct devfreq *devfreq);
		extern void devfreq_monitor_suspend(struct devfreq *devfreq);

include/linux/devfreq.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -198,6 +198,14 @@ extern void devm_devfreq_remove_device(struct device *dev,
		extern int devfreq_suspend_device(struct devfreq *devfreq);
		extern int devfreq_resume_device(struct devfreq *devfreq);

		/**
		* update_devfreq() - Reevaluate the device and configure frequency
		* @devfreq: the devfreq device
		*
		* Note: devfreq->lock must be held
		*/
		extern int update_devfreq(struct devfreq *devfreq);

		/* Helper functions for devfreq user device driver with OPP. */
		extern struct dev_pm_opp devfreq_recommended_opp(struct device dev,
		unsigned long *freq, u32 flags);