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,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D445C43141 for ; Thu, 21 Jun 2018 01:54:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 03FD820875 for ; Thu, 21 Jun 2018 01:54:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03FD820875 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 S1754573AbeFUBxI (ORCPT ); Wed, 20 Jun 2018 21:53:08 -0400 Received: from mail-pl0-f67.google.com ([209.85.160.67]:34222 "EHLO mail-pl0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754497AbeFUBxC (ORCPT ); Wed, 20 Jun 2018 21:53:02 -0400 Received: by mail-pl0-f67.google.com with SMTP id g20-v6so762140plq.1 for ; Wed, 20 Jun 2018 18:53:02 -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=SNeUZJz4pYkBDb4QdjtX1JjeXJ+DHoOrj/oQQteJr/w=; b=oe4K5PX2lMPzul4ZBXYEWMEt2ep2at3SuiWNyTBVVzYlJfUxTzvBPuxfpXeVdDEZWT IVkUOEWguNdIV3gWtHRwHid8ZkT5Rcv50rcTfKiooC051zYSJY+UfTclxhOuk/RkHFn+ YHUVyZbETrojuBv6j3uGL1DVeic6WHRgAwsZG7LQ70wLY3qEEZetU5jr/fJL/7cWVZZO UuNB6iC1FdNqutwllwnSetL0mAMkJVU6cCtOxrXFwha6LMjvtYS9ivQw3z8PkcmXe3KI PliDwAHzNo1kLvRpsj802+pQ6iLn7RotWAp4ZZD0qCgLVG4fPjNpb6MZNaGfO37sCdAf VeKA== X-Gm-Message-State: APt69E3EzGkea+TUwSBspw8WrGGYrRtQ8BfBWDNrBEEu+2EYu8yinBJp q+AjmvHeJXOlSk3xN+a+wzpaBA== X-Google-Smtp-Source: ADUXVKLjy9o8uyt4cAjpIRSpY+5hEgBEoI/NUR6+1WNwOS4XgFVlfIVYiPwGVirgx90o335V698UYw== X-Received: by 2002:a17:902:7295:: with SMTP id d21-v6mr928185pll.221.1529545982024; Wed, 20 Jun 2018 18:53:02 -0700 (PDT) Received: from mka.mtv.corp.google.com ([2620:0:1000:1501:8e2d:4727:1211:622]) by smtp.gmail.com with ESMTPSA id p12-v6sm6585877pfi.175.2018.06.20.18.53.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Jun 2018 18:53:00 -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 , Benson Leung , Olof Johansson , Matthias Kaehlcke Subject: [PATCH v4 06/12] PM / devfreq: Make update_devfreq() public Date: Wed, 20 Jun 2018 18:52:31 -0700 Message-Id: <20180621015237.100100-7-mka@chromium.org> X-Mailer: git-send-email 2.18.0.rc2.346.g013aa6912e-goog In-Reply-To: <20180621015237.100100-1-mka@chromium.org> References: <20180621015237.100100-1-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 Reviewed-by: Brian Norris -- 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 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.rc2.346.g013aa6912e-goog