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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 48515C2BA1B for ; Sun, 5 Apr 2020 14:12:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D50B206C3 for ; Sun, 5 Apr 2020 14:12:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fdc5sH/c" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726921AbgDEOMB (ORCPT ); Sun, 5 Apr 2020 10:12:01 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:33987 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726410AbgDEOMB (ORCPT ); Sun, 5 Apr 2020 10:12:01 -0400 Received: by mail-lf1-f65.google.com with SMTP id f20so2270628lfm.1; Sun, 05 Apr 2020 07:11:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=XleQO4WpERYdOmy1fbpTS+4ISogr+wHW1vFifmpyodE=; b=fdc5sH/cRUKo6KAsRvp4eot+aiIc/g0j3762pp9C2VfqdoxdmqNZgdydgkUyiN2A0F oqm0IIqKkpAuIQOrPqmltADM6jBPV7vgVfXksDLcDOGGO/v3d70hy2K8gMbo5Fve9+r4 TWGRS38lmO4IZSspoUc47GIGnpu+oCO4MKv5UfHhRRLR6uYakbBmVw0RFjxqKSFWlFgz CAHCYGJGXeKgy9L6abus3eJNYJiMfS9Dci6cDgMC9OQUdGkSWcr5G9Pjzs1EY9tSTAsz ze+DpQHiyWaVPQAODkV+Fq96STmwwW/emOunpt+gYcrwn5qVWnPd56XKah9WW7dB8zsN nJ5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=XleQO4WpERYdOmy1fbpTS+4ISogr+wHW1vFifmpyodE=; b=c1Z/TysVn4VAfGX7DlLD/rSl68L0RQWeMXcZ32K/tlWnf6xQwtEanh5SnJhFF1EQQZ OEboRhaInqr5uT0KBbECVF6J+FDQJorblWlfUw4m6ACW1imHsWo0u8G1TlSG0bmCRCar CSir7cT0jns8Sy/qTTh5cNh7c5mPqyU5lqF2dMaE5o5nyXvVjwJMLeKewL1ACchVGMDE jcR0VTYOuz7GtZ+/ygmHhoJ6SikU8vC4hl0/dSwTJ2uryp6kjGNciz3e2qrpFwW+y6S2 wN1uMfco+c5w/dq38QzvaRriYpSMoPmuQs9PHL4EPeR4MAxPFhndQ+kb8E/uH6N4fE6n kSig== X-Gm-Message-State: AGi0PubRvQCP1ibWBfwvGuQjbIDWbMvEGbCnD3kNbMe+ouqfjpiWTNqB JCIxaOUXDstB20OoD9Vf9B0= X-Google-Smtp-Source: APiQypLVoKcshv+FiT9j3E9JOCfkZaibdzpWPVu3sNp1yGEE4gobEgWuAA1GCJX39Y527pWDdWS0xg== X-Received: by 2002:a05:6512:308e:: with SMTP id z14mr10880297lfd.110.1586095918181; Sun, 05 Apr 2020 07:11:58 -0700 (PDT) Received: from [192.168.2.145] (ppp91-78-208-152.pppoe.mtu-net.ru. [91.78.208.152]) by smtp.googlemail.com with ESMTPSA id m193sm8047452lfa.39.2020.04.05.07.11.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 05 Apr 2020 07:11:57 -0700 (PDT) Subject: Re: [TEGRA194_CPUFREQ Patch v2 2/3] cpufreq: Add Tegra194 cpufreq driver To: Sumit Gupta , rjw@rjwysocki.net, viresh.kumar@linaro.org, catalin.marinas@arm.com, will@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, talho@nvidia.com, linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: bbasu@nvidia.com, mperttunen@nvidia.com References: <1586028547-14993-1-git-send-email-sumitg@nvidia.com> <1586028547-14993-3-git-send-email-sumitg@nvidia.com> From: Dmitry Osipenko Message-ID: Date: Sun, 5 Apr 2020 17:11:56 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <1586028547-14993-3-git-send-email-sumitg@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 04.04.2020 22:29, Sumit Gupta пишет: ... > +static void tegra_read_counters(struct work_struct *work) > +{ > + struct read_counters_work *read_counters_work; > + struct tegra_cpu_ctr *c; > + u64 val; > + > + /* > + * ref_clk_counter(32 bit counter) runs on constant clk, > + * pll_p(408MHz). Is changing PLLP rate really impossible on T194? What makes you say that it runs on a fixed 408MHz?