Messages in this thread Patch in this message | | | From | Matthias Kaehlcke <> | Subject | [PATCH v5 06/12] PM / devfreq: Make update_devfreq() public | Date | Tue, 3 Jul 2018 16:46:59 -0700 |
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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> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Reviewed-by: Brian Norris <briannorris@chromium.org> -- Changes in v5: - none
Changed in v4: - added 'Reviewed-by: Brian Norris <briannorris@chromium.org>' tag
Changes in v3: - none
Changes in v2: - added 'Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>' tag --- drivers/devfreq/governor.h | 3 --- 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 7c8dce96db73..c4f84a769cb5 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -222,6 +222,14 @@ 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); -- 2.18.0.203.gfac676dfb9-goog
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