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=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 9D29FC3F2D1 for ; Sun, 1 Mar 2020 12:16:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 757A3214DB for ; Sun, 1 Mar 2020 12:16:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726682AbgCAMQv (ORCPT ); Sun, 1 Mar 2020 07:16:51 -0500 Received: from mout.kundenserver.de ([212.227.17.10]:58033 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726094AbgCAMQv (ORCPT ); Sun, 1 Mar 2020 07:16:51 -0500 Received: from [192.168.1.183] ([37.4.249.171]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) id 1M890H-1j3AS51sDT-005L5i; Sun, 01 Mar 2020 13:16:30 +0100 Subject: Re: [PATCH 07/89] clk: bcm: rpi: Allow the driver to be probed by DT To: Maxime Ripard , Nicolas Saenz Julienne , Eric Anholt Cc: Tim Gover , Dave Stevenson , Stephen Boyd , Michael Turquette , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org References: 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: Sun, 1 Mar 2020 13:16:28 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Provags-ID: V03:K1:zyw9tGSyL8cdeQBz13wPTVaGjy0pjbIhlN6+NMypZBquz0QLgSo o22u5bw2XCub2BKDmuu9XtfxpuuNdqsU6GdPNzyr/FbfD/wsnVuOAM4c2sCKinB1Hqja5ZW 7mgSquNlO/X1gK6de5u7phveu5lt01VoMKVcGXHVF8dklAN33i3E0MQU49cxwMjY320L50V R33fzGdAK8vTQkGdJQGow== X-UI-Out-Filterresults: notjunk:1;V03:K0:VNj77z+HmrA=:B6cwnkMZaBMzXpAuLfkwWl goMCDGOi0ZMH2xLPBNwmWhClI1roUsuor77zUiRujR1F7wjDVglD4H07dJeOkboozDhZanoHd GeT/58IJU1BOQ5o8Wq424x9hGND8NJCyy90QP48lGjyvACQqcPe+FBuc8Kjolm4U0AhlGU9MS D+0X3KWo/x1/g22v73OFPcYwZ2L1zl/QqlmZFyMujG5hKvZrP4iCExruLrmvG76oRMHFPv+6W VlRpqFopMvsuDF0BUy3BT496sRZxipwgKIWNdchGCrEK49dRAHkV5nEfgmm4osYU2wRg04Oxu ed3cnMD1oRTq11tF93lGWUi59tzgigkinS9yyZP4jlwZjF6JHD7iQwzeumd99aUcS3aCguGHl rzmPUfkuTdzO511MqHQl+LAZUlG3V4JNdcgxy6Veiu7rho+IRbC6NWs1PKKjedDixbHCKrsr7 XWZLzXXTthEFdjle6RUv/G18czrriewKT9Myre9JO7hysMsoXGPFbnNmX9K2BWn0WIR20gfps cdEdgw7nLo3QiZveiImRXzBpjBhGDZmBaF4jhqapgmOAl4hxAHNpfRBcLsCrWy190UHch0om4 LVI8dH/jZKPt49eqveEp9Qzkm9n1NXUc6JlFQSsmW05Jfj50ebLw39b8+0Wwmiz9J42oTqLyi MqmzYabZLF477atPKSRJHJA5ahe/cTp6Gh8U8av1dSplXN8eMLFD1M/3ZuYaOYnaysrfMczu+ +MAUQouaxymlYova4rjl5Qi9OEKCEBIs6ndz17LxhghpJ3X++YxXa9QxFQyiKQjhspGkabzoU o5Fymq+XDgYyauaUP7xC0NWWjbu4BaWghUb7k/5YlTjZ1CovToD8ETqTPtTePI962nKRrud Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Maxime, Am 24.02.20 um 10:06 schrieb Maxime Ripard: > The current firmware clock driver for the RaspberryPi can only be probed by > manually registering an associated platform_device. > > While this works fine for cpufreq where the device gets attached a clkdev > lookup, it would be tedious to maintain a table of all the devices using > one of the clocks exposed by the firmware. > > Since the DT on the other hand is the perfect place to store those > associations, make the firmware clocks driver probe-able through the device > tree so that we can represent it as a node. > > Cc: Michael Turquette > Cc: Stephen Boyd > Cc: linux-clk@vger.kernel.org > Signed-off-by: Maxime Ripard FWIW i want to mention that starting with this commit, X doesn't start on my Raspberry Pi 3A (applied on top of linux-next using multi_v7_defconfig). Regards Stefan