diff options
| author | Matthias Kaehlcke <mka@chromium.org> | 2018-08-03 13:05:11 -0700 |
|---|---|---|
| committer | MyungJoo Ham <myungjoo.ham@samsung.com> | 2018-10-02 10:16:41 +0900 |
| commit | b596d895fa2957e136a6b398b97b06bd42b51291 (patch) | |
| tree | 50d60b07d96c230c18c2ed7a8b1a5782873ba66c | |
| parent | 6ff66e2a008337b8a005fd0ae2037bed716262cc (diff) | |
| download | linux-b596d895fa2957e136a6b398b97b06bd42b51291.tar.bz2 | |
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>
| -rw-r--r-- | drivers/devfreq/governor.h | 3 | ||||
| -rw-r--r-- | include/linux/devfreq.h | 8 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h index b81700244ce3..f53339ca610f 100644 --- a/drivers/devfreq/governor.h +++ b/drivers/devfreq/governor.h @@ -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); diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index 3aae5b3af87c..e4963b0f45da 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -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); |