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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58BA1C25B4E for ; Sun, 22 Jan 2023 11:57:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E7A6D6B0072; Sun, 22 Jan 2023 06:57:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E01E16B0073; Sun, 22 Jan 2023 06:57:13 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C547F6B0074; Sun, 22 Jan 2023 06:57:13 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id B28AD6B0072 for ; Sun, 22 Jan 2023 06:57:13 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 7D80EC02A3 for ; Sun, 22 Jan 2023 11:57:13 +0000 (UTC) X-FDA: 80382284346.16.FDB52D3 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) by imf15.hostedemail.com (Postfix) with ESMTP id 78B02A0016 for ; Sun, 22 Jan 2023 11:57:10 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=rVyqAJqc; spf=pass (imf15.hostedemail.com: domain of krzysztof.kozlowski@linaro.org designates 209.85.221.49 as permitted sender) smtp.mailfrom=krzysztof.kozlowski@linaro.org; dmarc=pass (policy=none) header.from=linaro.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1674388630; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ckWviSxANZfcro+bBRfyc+cenkmtjOkiW7r6SzucWlg=; b=Dkujemz+oLrPbUQQYxUFGTb9iY7HCBse7LeobuGubj2aWJJzg0r9Eaffk6DG4Dh6k7/LwV eHw1vpPQ0wQHtXh6myl4iat6U2QOSRpSx10T8a6i8chz5lkQBN8TbQj49jOXeT57MxYdgZ SMA26c3u0UTJmBEz1vnkt25m4ycT/DY= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=rVyqAJqc; spf=pass (imf15.hostedemail.com: domain of krzysztof.kozlowski@linaro.org designates 209.85.221.49 as permitted sender) smtp.mailfrom=krzysztof.kozlowski@linaro.org; dmarc=pass (policy=none) header.from=linaro.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1674388630; a=rsa-sha256; cv=none; b=otMEucZq1FBsO/8b1RUzg9GGy5fTk4iO8CnnRdzIQ/TH5hoMsMLmDWhRPSjdQwfEo+XG4u xS0C21nUhxU2opkekU7aU4UJgvYCl4gQRo0Ix82fHEFJNf3kx9geKGs5AkRR+86Ns9XMte kAGBRApwzdxz2vtsfI3Jxw/v96sfWwo= Received: by mail-wr1-f49.google.com with SMTP id z5so8472471wrt.6 for ; Sun, 22 Jan 2023 03:57:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=ckWviSxANZfcro+bBRfyc+cenkmtjOkiW7r6SzucWlg=; b=rVyqAJqcbEVO2mLYQVAhfnqaxyKeML/dcpxmRaA391AWy18uZOcTusGjMi44ncpTql vRUlbx31k3vofUNP4vsPJVAi8lmlvkVa9EF7D+g1STXssK/sO9udFfYn+8KZstXrK7qh xd8yLliT4+F15t5bWD1hE7T1GDf9FwKdq6LRDIE6AKZfPND9W8ihbB18IBlG77AI1lAD h2yHlmJaQeszTJT/hh3lV1J+dPT8wAe85E0VKkfG7d3OdVi0bTLkjAqcxHch+rOespJa a741p3AQgK6ZAVKTC3L2Wy3ECwJcIx3YubDD3GwhhX5WXjHjZWZq6eG8muWvlHTdzBqb Y8YA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ckWviSxANZfcro+bBRfyc+cenkmtjOkiW7r6SzucWlg=; b=bF0Y3V1HR/Y1c33WtwkzJvHHZBy4muI6LtvzLaJnbUZ8Ohqo3umR2jIqqLUxKN2yip nwibFIpyos/Oyk/SZtelhgPzgqhntvQsfEaj6LMIix+0m3LiVe7VHISPxevW/0N/P2Mf nSFvpCH6sSGxteOPXKSLxWOgC48vdEBX4RLQo4bMfIUyfk6OKMzBiX7sg7a8TvPj44TU 1ns3cmAHHv8vnE3sLouFJkLQfgYQIEbpfPHI6J5VDVIEZAqPMZD1Xfv0Jc//p3YULmfN 46BBCc8EBY5cVEGv4tsbxLnCah2ptTO95/7zskFPeOVgyLu+Sc+DP8vRjaLBERF+O4dv 1d8Q== X-Gm-Message-State: AFqh2konBm4uIyini5+21NWUy/W3pSnkfBIpw46VAcVWWdg7eK+UZ7Mm c7Jgbqo01SLJQFxOjQDiS/TcYg== X-Google-Smtp-Source: AMrXdXvUmSo3jcsu3xojfTukvrhpzxz6e7Xp9tLFomGzgShSJjiyaBJUGl7NNs6LSU7eztbkOMG0ag== X-Received: by 2002:a5d:5224:0:b0:2bd:bbf7:1f87 with SMTP id i4-20020a5d5224000000b002bdbbf71f87mr20620225wra.60.1674388629088; Sun, 22 Jan 2023 03:57:09 -0800 (PST) Received: from [192.168.1.109] ([178.197.216.144]) by smtp.gmail.com with ESMTPSA id d16-20020adfef90000000b002b9b9445149sm3306165wro.54.2023.01.22.03.57.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 22 Jan 2023 03:57:08 -0800 (PST) Message-ID: <3043df6d-8cc1-6969-09d4-50ad6195c924@linaro.org> Date: Sun, 22 Jan 2023 12:57:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.0 Subject: Re: [RFC PATCH v2 29/31] kvx: Add support for cpuinfo Content-Language: en-US To: Yann Sionneau , Arnd Bergmann , Jonathan Corbet , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Will Deacon , Peter Zijlstra , Boqun Feng , Mark Rutland , Eric Biederman , Kees Cook , Oleg Nesterov , Ingo Molnar , Waiman Long , "Aneesh Kumar K.V" , Andrew Morton , Nick Piggin , Paul Moore , Eric Paris , Christian Brauner , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jules Maselbas , Guillaume Thouvenin , Clement Leger , Vincent Chardon , =?UTF-8?Q?Marc_Poulhi=c3=a8s?= , Julian Vetter , Samuel Jones , Ashley Lesdalons , Thomas Costis , Marius Gligor , Jonathan Borne , Julien Villette , Luc Michel , Louis Morhet , Julien Hascoet , Jean-Christophe Pince , Guillaume Missonnier , Alex Michon , Huacai Chen , WANG Xuerui , Shaokun Zhang , John Garry , Guangbin Huang , Bharat Bhushan , Bibo Mao , Atish Patra , "Jason A. Donenfeld" , Qi Liu , Jiaxun Yang , Catalin Marinas , Mark Brown , Janosch Frank , Alexey Dobriyan Cc: Benjamin Mugnier , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-audit@redhat.com, linux-riscv@lists.infradead.org, bpf@vger.kernel.org References: <20230120141002.2442-1-ysionneau@kalray.eu> <20230120141002.2442-30-ysionneau@kalray.eu> From: Krzysztof Kozlowski In-Reply-To: <20230120141002.2442-30-ysionneau@kalray.eu> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 78B02A0016 X-Rspam-User: X-Stat-Signature: u3gexnsp46kzy38pjjcmspmooe71mhks X-HE-Tag: 1674388630-429559 X-HE-Meta: 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 ERUmwrys i5Ikwq9AqQK/ZgRtxMme79NdBlhLb8v2L5ERTcTvAE9BZrd43e5sHbcqzbHR3VjU1OYDcVVC5a7WblX5GRuGPhWJRIazDLLALPGqFjsr0umMDtUNN3IQP74EgtTq/zXKmrehBsf2F96xHaLexRiKOg4mq9eYbLLOE0pBKZRDPkP3pdXpT5Tcuk+OrGofZ91slmd3fRHsrLbwLQpue4yl7rIbpu6tVrR0QDLI6LIU9fZ+ezsOyfK9hkVIuUG0OThi5vuCoOTOtev2IKqbsXTupPzWwWIVr7lFvp0yMzMxP6zzrN3VcAJLpIrZoKDwfkuBEhdBiwgLaoo6rds843GVzp7KduUQ8xWkD7jglHCDATi6RmxahaHQ3gD040lwsiM5INRMeO4KyHbO9TKW7CcKqh5sR5GrgOGdiHxuoMzICrziiQZinarNE6f2t8Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 20/01/2023 15:10, Yann Sionneau wrote: > +static int __init setup_cpuinfo(void) > +{ > + int cpu; > + struct clk *clk; > + unsigned long cpu_freq = 1000000000; > + struct device_node *node = of_get_cpu_node(0, NULL); > + > + clk = of_clk_get(node, 0); > + if (IS_ERR(clk)) { > + printk(KERN_WARNING > + "Device tree missing CPU 'clock' parameter. Assuming frequency is 1GHZ"); > + goto setup_cpu_freq; > + } > + > + cpu_freq = clk_get_rate(clk); What about cpufreq? I don't think this is useful. Best regards, Krzysztof