From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Kaehlcke Subject: [PATCH v6 3/3] PM / devfreq: Make update_devfreq() public Date: Fri, 3 Aug 2018 13:05:11 -0700 Message-ID: <20180803200511.189664-4-mka@chromium.org> References: <20180803200511.189664-1-mka@chromium.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20180803200511.189664-1-mka@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: MyungJoo Ham , Kyungmin Park , Chanwoo Choi Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Brian Norris , 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 Acked-by: MyungJoo Ham Reviewed-by: Brian Norris Reviewed-by: Chanwoo Choi -- Changes in v6: - added 'Reviewed-by: Chanwoo Choi ' tag Changes in v5: - none Changed in v4: - added 'Reviewed-by: Brian Norris ' tag Changes in v3: - none Changes in v2: - added 'Acked-by: MyungJoo Ham ' 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 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); -- 2.18.0.597.ga71716f1ad-goog