From patchwork Fri Aug 25 14:32:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dietmar Eggemann X-Patchwork-Id: 9922209 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2F1D76022E for ; Fri, 25 Aug 2017 14:34:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2247F2821F for ; Fri, 25 Aug 2017 14:34:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1755B2839C; Fri, 25 Aug 2017 14:34:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8FC472838B for ; Fri, 25 Aug 2017 14:34:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756780AbdHYOci (ORCPT ); Fri, 25 Aug 2017 10:32:38 -0400 Received: from foss.arm.com ([217.140.101.70]:54072 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756769AbdHYOcg (ORCPT ); Fri, 25 Aug 2017 10:32:36 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2600B168F; Fri, 25 Aug 2017 07:32:36 -0700 (PDT) Received: from e107985-lin.cambridge.arm.com (e107985-lin.cambridge.arm.com [10.1.210.41]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 2BAA23F540; Fri, 25 Aug 2017 07:32:34 -0700 (PDT) From: Dietmar Eggemann To: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org, linux@arm.linux.org.uk, Greg Kroah-Hartman , Juri Lelli , Vincent Guittot , Peter Zijlstra , Morten Rasmussen , Viresh Kumar , "Rafael J . Wysocki" , Sudeep Holla Subject: [PATCH v4 04/10] cpufreq: dt: invoke frequency-invariance setter function Date: Fri, 25 Aug 2017 15:32:00 +0100 Message-Id: <20170825143206.30467-5-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170825143206.30467-1-dietmar.eggemann@arm.com> References: <20170825143206.30467-1-dietmar.eggemann@arm.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Call the frequency-invariance setter function arch_set_freq_scale() if the new frequency has been successfully set which is indicated by dev_pm_opp_set_rate() returning 0. Cc: Rafael J. Wysocki Cc: Viresh Kumar Signed-off-by: Dietmar Eggemann Acked-by: Viresh Kumar --- drivers/cpufreq/cpufreq-dt.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index fef3c2160691..cbac8a7dbc50 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -43,9 +43,17 @@ static struct freq_attr *cpufreq_dt_attr[] = { static int set_target(struct cpufreq_policy *policy, unsigned int index) { struct private_data *priv = policy->driver_data; + unsigned long freq = policy->freq_table[index].frequency; + int ret; + + ret = dev_pm_opp_set_rate(priv->cpu_dev, freq * 1000); - return dev_pm_opp_set_rate(priv->cpu_dev, - policy->freq_table[index].frequency * 1000); + if (!ret) { + arch_set_freq_scale(policy->related_cpus, freq, + policy->cpuinfo.max_freq); + } + + return ret; } /*