From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by aws-us-west-2-korg-lkml-1.web.codeaurora.org (Postfix) with ESMTP id 216AAC07D5C for ; Thu, 14 Jun 2018 19:49:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4DC7208C3 for ; Thu, 14 Jun 2018 19:49:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D4DC7208C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755553AbeFNTtT (ORCPT ); Thu, 14 Jun 2018 15:49:19 -0400 Received: from mail-pf0-f194.google.com ([209.85.192.194]:39019 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755466AbeFNTra (ORCPT ); Thu, 14 Jun 2018 15:47:30 -0400 Received: by mail-pf0-f194.google.com with SMTP id r11-v6so3729745pfl.6 for ; Thu, 14 Jun 2018 12:47:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=3GU5jBNuwcofU2Pz3yweZqPOf7o7b8ZFESSj4vZKetU=; b=lM9byEm8+FbBEAVK6ZfQoYvEN5pajMcLr0ZFeE4neYInye7ESDrLuSfcNpoX9NoWpX Ga/Zs15KtZYisRzBMZ+x9AHWZmAJQU197xFaAcAGmGfP1G9Zu8Ci4eXZz+FI8RLAmAe/ /L+1rlijWcmcY+9VZFNVsngtJujBjRGLmn9oSKnSmpJ/S9CzLsZgU055uU3Mu9uzI/sQ WU1wTNbs5+n5CHFAit59+x+OrjvLQ0QNEaAbCrQSVerma48Je4LZD8EeY9XYZlhHTNQq Hl7X6KE71gWmo83Ivzms9L7JQ2wwbOHlQ06wJvQtvUr4gkwwArl29n6OIpMAsR84+0NT 5XgA== X-Gm-Message-State: APt69E3zAQUe2pk+2nwtgsBZ+XcDxPtOaKn808gv+iLS6iP+nOMA+m8N L/Fs+PrvAXo61pJs7oS+2QgM6w== X-Google-Smtp-Source: ADUXVKJBbEpt6ipQKPj2/vflFriuut/FF02AfKhUZ/ijdAqIuRwQUKiLxAH2hBubzdU/VKQxeN2ELA== X-Received: by 2002:a62:5788:: with SMTP id i8-v6mr10695132pfj.175.1529005649959; Thu, 14 Jun 2018 12:47:29 -0700 (PDT) Received: from mka.mtv.corp.google.com ([2620:0:1000:1501:8e2d:4727:1211:622]) by smtp.gmail.com with ESMTPSA id s28-v6sm9955506pfg.89.2018.06.14.12.47.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Jun 2018 12:47:28 -0700 (PDT) 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 , Enric Balletbo i Serra , "Rafael J . Wysocki" , Viresh Kumar , Lee Jones , Matthias Kaehlcke Subject: [PATCH v3 06/12] PM / devfreq: Make update_devfreq() public Date: Thu, 14 Jun 2018 12:47:06 -0700 Message-Id: <20180614194712.102134-7-mka@chromium.org> X-Mailer: git-send-email 2.18.0.rc1.242.g61856ae69a-goog In-Reply-To: <20180614194712.102134-1-mka@chromium.org> References: <20180614194712.102134-1-mka@chromium.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk 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 Acked-by: MyungJoo Ham --- 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 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.rc1.242.g61856ae69a-goog