From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Kaehlcke Subject: [PATCH 08/11] PM / devfreq: Make update_devfreq() public Date: Fri, 25 May 2018 13:30:40 -0700 Message-ID: <20180525203043.249193-9-mka@chromium.org> References: <20180525203043.249193-1-mka@chromium.org> Return-path: In-Reply-To: <20180525203043.249193-1-mka@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: MyungJoo Ham Cc: Kyungmin Park , Chanwoo Choi , Arnd Bergmann , Greg Kroah-Hartman , Rob Herring , Mark Rutland , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Brian Norris , Douglas Anderson , Matthias Kaehlcke List-Id: linux-pm@vger.kernel.org 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 --- 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 cfc50a61a90d..608e7549465b 100644 --- a/drivers/devfreq/governor.h +++ b/drivers/devfreq/governor.h @@ -54,9 +54,6 @@ 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 4a6ed61bbe49..561ab1d5e8d6 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); -- 2.17.0.921.gf22659ad46-goog