From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030325AbeEYUbd (ORCPT ); Fri, 25 May 2018 16:31:33 -0400 Received: from mail-pl0-f67.google.com ([209.85.160.67]:44210 "EHLO mail-pl0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030263AbeEYUb1 (ORCPT ); Fri, 25 May 2018 16:31:27 -0400 X-Google-Smtp-Source: AB8JxZoHEZ3M7UHqAR+BwJPuYfHsKKdrUB5bX+RUka+XZD6Kwlq5waTFQTcr+hrsGsOx+mTVFjf/lg== From: Matthias Kaehlcke 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 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> X-Mailer: git-send-email 2.17.0.921.gf22659ad46-goog In-Reply-To: <20180525203043.249193-1-mka@chromium.org> References: <20180525203043.249193-1-mka@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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