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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 0B903C31E46 for ; Wed, 12 Jun 2019 20:17:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB3DD20B7C for ; Wed, 12 Jun 2019 20:17:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728329AbfFLURi (ORCPT ); Wed, 12 Jun 2019 16:17:38 -0400 Received: from mout.kundenserver.de ([217.72.192.75]:37971 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727924AbfFLURh (ORCPT ); Wed, 12 Jun 2019 16:17:37 -0400 Received: from [192.168.1.162] ([37.4.249.160]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) id 1N9d4t-1ig3WZ04n7-015Y6k; Wed, 12 Jun 2019 22:17:14 +0200 Subject: Re: [PATCH v4 0/7] cpufreq support for Raspberry Pi To: Nicolas Saenz Julienne , linux-kernel@vger.kernel.org Cc: mbrugger@suse.de, viresh.kumar@linaro.org, rjw@rjwysocki.net, sboyd@kernel.org, eric@anholt.net, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, ptesarik@suse.com, linux-rpi-kernel@lists.infradead.org, ssuloev@orpaltech.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mturquette@baylibre.com, linux-pm@vger.kernel.org References: <20190612182500.4097-1-nsaenzjulienne@suse.de> From: Stefan Wahren Openpgp: preference=signencrypt Autocrypt: addr=stefan.wahren@i2se.com; keydata= xsFNBFt6gBMBEACub/pBevHxbvJefyZG32JINmn2bsEPX25V6fejmyYwmCGKjFtL/DoUMEVH DxCJ47BMXo344fHV1C3AnudgN1BehLoBtLHxmneCzgH3KcPtWW7ptj4GtJv9CQDZy27SKoEP xyaI8CF0ygRxJc72M9I9wmsPZ5bUHsLuYWMqQ7JcRmPs6D8gBkk+8/yngEyNExwxJpR1ylj5 bjxWDHyYQvuJ5LzZKuO9LB3lXVsc4bqXEjc6VFuZFCCk/syio/Yhse8N+Qsx7MQagz4wKUkQ QbfXg1VqkTnAivXs42VnIkmu5gzIw/0tRJv50FRhHhxpyKAI8B8nhN8Qvx7MVkPc5vDfd3uG YW47JPhVQBcUwJwNk/49F9eAvg2mtMPFnFORkWURvP+G6FJfm6+CvOv7YfP1uewAi4ln+JO1 g+gjVIWl/WJpy0nTipdfeH9dHkgSifQunYcucisMyoRbF955tCgkEY9EMEdY1t8iGDiCgX6s 50LHbi3k453uacpxfQXSaAwPksl8MkCOsv2eEr4INCHYQDyZiclBuuCg8ENbR6AGVtZSPcQb enzSzKRZoO9CaqID+favLiB/dhzmHA+9bgIhmXfvXRLDZze8po1dyt3E1shXiddZPA8NuJVz EIt2lmI6V8pZDpn221rfKjivRQiaos54TgZjjMYI7nnJ7e6xzwARAQABzSlTdGVmYW4gV2Fo cmVuIDxzdGVmYW4ud2FocmVuQGluLXRlY2guY29tPsLBdwQTAQgAIQUCXIdehwIbAwULCQgH AgYVCAkKCwIEFgIDAQIeAQIXgAAKCRCUgewPEZDy2yHTD/9UF7QlDkGxzQ7AaCI6N95iQf8/ 1oSUaDNu2Y6IK+DzQpb1TbTOr3VJwwY8a3OWz5NLSOLMWeVxt+osMmlQIGubD3ODZJ8izPlG /JrNt5zSdmN5IA5f3esWWQVKvghZAgTDqdpv+ZHW2EmxnAJ1uLFXXeQd3UZcC5r3/g/vSaMo 9xek3J5mNuDm71lEWsAs/BAcFc+ynLhxwBWBWwsvwR8bHtJ5DOMWvaKuDskpIGFUe/Kb2B+j ravQ3Tn6s/HqJM0cexSHz5pe+0sGvP+t9J7234BFQweFExriey8UIxOr4XAbaabSryYnU/zV H9U1i2AIQZMWJAevCvVgQ/U+NeRhXude9YUmDMDo2sB2VAFEAqiF2QUHPA2m8a7EO3yfL4rM k0iHzLIKvh6/rH8QCY8i3XxTNL9iCLzBWu/NOnCAbS+zlvLZaiSMh5EfuxTtv4PlVdEjf62P +ZHID16gUDwEmazLAMrx666jH5kuUCTVymbL0TvB+6L6ARl8ANyM4ADmkWkpyM22kCuISYAE fQR3uWXZ9YgxaPMqbV+wBrhJg4HaN6C6xTqGv3r4B2aqb77/CVoRJ1Z9cpHCwiOzIaAmvyzP U6MxCDXZ8FgYlT4v23G5imJP2zgX5s+F6ACUJ9UQPD0uTf+J9Da2r+skh/sWOnZ+ycoHNBQv ocZENAHQf87BTQRbeoATARAA2Hd0fsDVK72RLSDHby0OhgDcDlVBM2M+hYYpO3fX1r++shiq PKCHVAsQ5bxe7HmJimHa4KKYs2kv/mlt/CauCJ//pmcycBM7GvwnKzmuXzuAGmVTZC6WR5Lk akFrtHOzVmsEGpNv5Rc9l6HYFpLkbSkVi5SPQZJy+EMgMCFgjrZfVF6yotwE1af7HNtMhNPa LDN1oUKF5j+RyRg5iwJuCDknHjwBQV4pgw2/5vS8A7ZQv2MbW/TLEypKXif78IhgAzXtE2Xr M1n/o6ZH71oRFFKOz42lFdzdrSX0YsqXgHCX5gItLfqzj1psMa9o1eiNTEm1dVQrTqnys0l1 8oalRNswYlQmnYBwpwCkaTHLMHwKfGBbo5dLPEshtVowI6nsgqLTyQHmqHYqUZYIpigmmC3S wBWY1V6ffUEmkqpAACEnL4/gUgn7yQ/5d0seqnAq2pSBHMUUoCcTzEQUWVkiDv3Rk7hTFmhT sMq78xv2XRsXMR6yQhSTPFZCYDUExElEsSo9FWHWr6zHyYcc8qDLFvG9FPhmQuT2s9Blx6gI 323GnEq1lwWPJVzP4jQkJKIAXwFpv+W8CWLqzDWOvdlrDaTaVMscFTeH5W6Uprl65jqFQGMp cRGCs8GCUW13H0IyOtQtwWXA4ny+SL81pviAmaSXU8laKaRu91VOVaF9f4sAEQEAAcLBXwQY AQIACQUCW3qAEwIbDAAKCRCUgewPEZDy2+oXD/9cHHRkBZOfkmSq14Svx062PtU0KV470TSn p/jWoYJnKIw3G0mXIRgrtH2dPwpIgVjsYyRSVMKmSpt5ZrDf9NtTbNWgk8VoLeZzYEo+J3oP qFrTMs3aYYv7e4+JK695YnmQ+mOD9nia915tr5AZj95UfSTlyUmyic1d8ovsf1fP7XCUVRFc RjfNfDF1oL/pDgMP5GZ2OwaTejmyCuHjM8IR1CiavBpYDmBnTYk7Pthy6atWvYl0fy/CqajT Ksx7+p9xziu8ZfVX+iKBCc+He+EDEdGIDhvNZ/IQHfOB2PUXWGS+s9FNTxr/A6nLGXnA9Y6w 93iPdYIwxS7KXLoKJee10DjlzsYsRflFOW0ZOiSihICXiQV1uqM6tzFG9gtRcius5UAthWaO 1OwUSCQmfCOm4fvMIJIA9rxtoS6OqRQciF3crmo0rJCtN2awZfgi8XEif7d6hjv0EKM9XZoi AZYZD+/iLm5TaKWN6oGIti0VjJv8ZZOZOfCb6vqFIkJW+aOu4orTLFMz28aoU3QyWpNC8FFm dYsVua8s6gN1NIa6y3qa/ZB8bA/iky59AEz4iDIRrgUzMEg8Ak7Tfm1KiYeiTtBDCo25BvXj bqsyxkQD1nkRm6FAVzEuOPIe8JuqW2xD9ixGYvjU5hkRgJp3gP5b+cnG3LPqquQ2E6goKUML AQ== Message-ID: Date: Wed, 12 Jun 2019 22:17:11 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190612182500.4097-1-nsaenzjulienne@suse.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Provags-ID: V03:K1:mHnhFM8n40BdQnhNB4NEsxmJXlVxzEsKc7/qclnWMB0BSuXsmfQ +iUZKoqU3FU7L9wzy7TSoV7w/AirTUQaf6zFQ6fITy1C7X53F6YQo0wgEq1fPx2TNxXc0JW Va3CJermzQQQVWK2KaAITnxk1k/7ccHy/tGC6zSQM3EJ1mkXcrWOQ/Y60wJYiO429mwnVlH 41XfGR966Ulcw1qe/3wgQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:mS9THgj+n0I=:9DX2CrJR3tFLetUM0t2Akl eMqUP0Jc/jRS2ElekmyS2fCDFol7zg8dkCira1kknwLgLcQZ3mw+uQ1vae6DKcmO/j6+793PG 8H59cxVO2vHrslKZDjxWL44G+NVF+ZWqMx1Mr2XkHqyKnSY2rgUZuxPIal4nrQe58U4wyvumx 2hZwVPfeZzSH98QRubw4l55GQ6N1AOL1B5Jkhgn6A8AGf7Vyqxuz3UvKGXKn6lsCboD/S9qck J4JvF161nGXdZVRNOOdL6H9jA2vSAq+ZKIN0/mvAjdFfMiGocNp71/ybhtFKIgaf0fUvceMQw TWSZQ/HXIYQoqyyAH4RPceFI9qPuaLzVzP9l3WgHTnizu56lM6ejkFGSrvLb+RGj2YrQbCPDP rXIjQ/wuJ5BSdXaiq3IpsZNpPIxAlpl4iohEfp9Ll3qtzPndKvvgXUpK3QG/r7W4PmtTbD1nD 9f2FjR7WJdgfzUYQX8lfMgQW2skMdl3niFZZPdVEVgkJq5ZgPBfUF/hP1D0n2kbGq1zLBrc6v vSBWaJtf8kOZJp5RbhK+SelppNQMSMDmpK33pPblZHD3qqBh0m0KXdTXGJn3Fwzf+VJPI+PuV B9prTtq+4XP8D+UUYyXGq+NayMUpyRDdSw3I8tyGtWbm4eFSpM3crJ533Hxmw/iN7SlKxnJOs DREJ2bcdcFmWttO/CAUdEsS4UVbD6os8cW7uoimPz0DSPaW4OTZzqnS5P/WPtjcxXEKHHyTao JHENRw70Qo3s+eAx75RmDbwu/lrw95EBOtgPPs8zosbhjEsqdHXjz7QS4Gg= Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hi Nicolas, Am 12.06.19 um 20:24 schrieb Nicolas Saenz Julienne: > Hi all, > this aims at adding cpufreq support to the Raspberry Pi family of > boards. > > The series first factors out 'pllb' from clk-bcm2385 and creates a new > clk driver that operates it over RPi's firmware interface[1]. We are > forced to do so as the firmware 'owns' the pll and we're not allowed to > change through the register interface directly as we might race with the > over-temperature and under-voltage protections provided by the firmware. > > Next it creates a minimal cpufreq driver that populates the CPU's opp > table, and registers cpufreq-dt. Which is needed as the firmware > controls the max and min frequencies available. > > This was tested on a RPi3b+ and RPI2b, both using multi_v7_defconfig and > arm64's defconfig. > this whole series is: Acked-by: Stefan Wahren Thanks