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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6C6AC54EED for ; Sun, 22 Jan 2023 11:57:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230032AbjAVL5N (ORCPT ); Sun, 22 Jan 2023 06:57:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230006AbjAVL5M (ORCPT ); Sun, 22 Jan 2023 06:57:12 -0500 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 895301284E for ; Sun, 22 Jan 2023 03:57:10 -0800 (PST) Received: by mail-wr1-x42d.google.com with SMTP id q5so3815876wrv.0 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=FbyHZlHHs67hGV9x+NZazp+bt5cwdrWPu7OAmsI6SOBrXV6Ef+yKpnwP1++2nS0W8i 1EKRp/zw8Qgt08y6AJjRD7vfElQgfyzmWKCWCmwFcX55CVxGQXfhoIBuRs5lCV80OhyZ zchW59fVM9EfT6RxJTuqeNV1mg1Vzui8K6HBS4+gIh1BAXqo1jq9flDBHiDuYR5sllbD R9p2Kx7o4gbKXY6Qy+6J66SQ03IOHchVMZRKm85rQ9wg8ANei4tL6BK1pJW0V9kHJVeB vHLe/eaYDX3u2Z6P37C8MRwh9+GwVS4821uSWSInHg6UOLz50xzwEyCg0lhPj/KB9fxX HRJg== X-Gm-Message-State: AFqh2kql9KJRzOwiV3pTd24QTlXk5HaIEc2ODv3uUEF0QdzGySOYzQ8q rc9I6Q6yfPpDBQMPl2AXRy2Axg== 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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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