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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 D8A12C38BE1 for ; Mon, 24 Feb 2020 18:44:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BCB0220836 for ; Mon, 24 Feb 2020 18:44:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727996AbgBXSoI (ORCPT ); Mon, 24 Feb 2020 13:44:08 -0500 Received: from foss.arm.com ([217.140.110.172]:41830 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726652AbgBXSoI (ORCPT ); Mon, 24 Feb 2020 13:44:08 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 71CB51FB; Mon, 24 Feb 2020 10:44:07 -0800 (PST) Received: from e113632-lin (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 407B43F703; Mon, 24 Feb 2020 10:44:05 -0800 (PST) References: <20200224141142.25445-1-ionela.voinescu@arm.com> <20200224141142.25445-6-ionela.voinescu@arm.com> User-agent: mu4e 0.9.17; emacs 26.3 From: Valentin Schneider To: Ionela Voinescu Cc: catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, maz@kernel.org, suzuki.poulose@arm.com, sudeep.holla@arm.com, lukasz.luba@arm.com, dietmar.eggemann@arm.com, rjw@rjwysocki.net, peterz@infradead.org, mingo@redhat.com, vincent.guittot@linaro.org, viresh.kumar@linaro.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: Re: [PATCH v4 5/7] cpufreq: add function to get the hardware max frequency In-reply-to: <20200224141142.25445-6-ionela.voinescu@arm.com> Date: Mon, 24 Feb 2020 18:44:03 +0000 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ionela Voinescu writes: > Add weak function to return the hardware maximum frequency of a CPU, > with the default implementation returning cpuinfo.max_freq, which is > the best information we can generically get from the cpufreq framework. > > The default can be overwritten by a strong function in platforms > that want to provide an alternative implementation, with more accurate > information, obtained either from hardware or firmware. > > Signed-off-by: Ionela Voinescu > Acked-by: Viresh Kumar > Cc: Rafael J. Wysocki > Cc: Viresh Kumar Reviewed-by: Valentin Schneider