From patchwork Mon Feb 4 11:09:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Perret X-Patchwork-Id: 10795419 X-Patchwork-Delegate: viresh.linux@gmail.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AFF7F1669 for ; Mon, 4 Feb 2019 11:10:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9D8662AB42 for ; Mon, 4 Feb 2019 11:10:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 90E222AB7C; Mon, 4 Feb 2019 11:10:27 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham 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 3E6762AB42 for ; Mon, 4 Feb 2019 11:10:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729888AbfBDLKV (ORCPT ); Mon, 4 Feb 2019 06:10:21 -0500 Received: from foss.arm.com ([217.140.101.70]:53996 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730553AbfBDLKG (ORCPT ); Mon, 4 Feb 2019 06:10:06 -0500 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 A32CA15BE; Mon, 4 Feb 2019 03:10:05 -0800 (PST) Received: from queper01-lin.cambridge.arm.com (queper01-lin.cambridge.arm.com [10.1.195.48]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B2D1F3F675; Mon, 4 Feb 2019 03:10:03 -0800 (PST) From: Quentin Perret To: viresh.kumar@linaro.org, sudeep.holla@arm.com, rjw@rjwysocki.net, nm@ti.com, sboyd@kernel.org, mka@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dietmar.eggemann@arm.com, quentin.perret@arm.com Subject: [PATCH v4 3/5] cpufreq: scpi: Register an Energy Model Date: Mon, 4 Feb 2019 11:09:50 +0000 Message-Id: <20190204110952.16025-4-quentin.perret@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190204110952.16025-1-quentin.perret@arm.com> References: <20190204110952.16025-1-quentin.perret@arm.com> MIME-Version: 1.0 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 Now that PM_OPP provides a helper function to estimate the power consumed by CPUs, make sure to try and register an Energy Model (EM) from scpi-cpufreq, hence ensuring interested subsystems (the task scheduler, for example) can make use of that information when available. Signed-off-by: Quentin Perret --- drivers/cpufreq/scpi-cpufreq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index 99449738faa4..b279f94d82f7 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -170,6 +170,9 @@ static int scpi_cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = latency; policy->fast_switch_possible = false; + + dev_pm_opp_of_register_em(policy->cpus); + return 0; out_free_cpufreq_table: