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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B1AEEC433EF for ; Tue, 19 Apr 2022 16:12:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JkxagANNP+sCABukhCibNS4pqHZ4XlFmiIR0xQ2JxFU=; b=JEEL4uUMEO0js0 L4kUQfHDJonn75zuVeyHbX82SikSmAM9cUYb4/b1ztBu2e+8O09ugDqwpYpK8xtsEAVmKxUKtmuTO OkivouK3fPtPQyKOL+4LsQE4bmI1oeQoK4JnYdkvNt/873+bgRCNPuYJGCINGW0QgBM9Mxe82gNik /LcLfnjbkO9WRSaN/G74SY+pUreW/XPeFR4EFmH2MNEF6WvodAFFwfwrFvQrEd0kzHlHN8gZ5vCCI BmyqhUvs+6OpW1YS5A8kYWJZpOuldB+zOVhQNWzrtPbfoSAeXBiAPh6MqscZUHeN2dMmDSuToal4c bU/Lny2Yol/GfzQ0JgFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngqS3-004sSf-Vq; Tue, 19 Apr 2022 16:11:40 +0000 Received: from mout.kundenserver.de ([212.227.126.131]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngqS0-004sRn-Hd; Tue, 19 Apr 2022 16:11:38 +0000 Received: from [192.168.1.107] ([37.4.249.94]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MOiLv-1nHAaj40lT-00Q8zV; Tue, 19 Apr 2022 18:11:23 +0200 Message-ID: Date: Tue, 19 Apr 2022 18:11:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH v2] clk: bcm2835: Round UART input clock up Content-Language: en-US To: "Ivan T. Ivanov" Cc: Michael Turquette , Stephen Boyd , Nicolas Saenz Julienne , Florian Fainelli , Ray Jui , Scott Branden , Paul Walmsley , Palmer Dabbelt , Albert Ou , Phil Elwell , kernel test robot , bcm-kernel-feedback-list@broadcom.com, linux-clk@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20220404125113.80239-1-iivanov@suse.de> <20220414105656.qt52zmr5vjmjdcxc@suse> <0b3356c0-b4c8-91ed-dfde-9f50483ec36f@i2se.com> <20220418110516.s7jxsfa3jl7aagrf@suse> <2a46bd1c-600b-5bd9-1c19-20c809f63945@i2se.com> <20220418113801.uree7rvkzxpiwyni@suse> <6adc9c1c-ec75-b52c-9c44-00296eaa00f6@i2se.com> <20220419150555.igh6tdxgjb7meygx@suse> From: Stefan Wahren In-Reply-To: <20220419150555.igh6tdxgjb7meygx@suse> X-Provags-ID: V03:K1:k3v/NjHx03Qa/XH+nWoErQY7BDb3NBOyLbmyf1V5wOpAQtoDudw 4VXzBC+qhQ0H4BHTZqM4sxz+ESp0lpXES+WXAWbdyOtA7U28+GJeGna9MWoPxztgPny06Tg hS8Qau/S4iZikBn0umzGHi96HxBgKi+hSanLuFGIlLIGhH1JFD4oquk4WgoWfL+5rtteZtc WfE3saZE5EtoY+4A5Blrg== X-UI-Out-Filterresults: notjunk:1;V03:K0:rskkRQto6QA=:oPn3S62jIezJnbgCI5AEeK yNN+ypm93oVXUJBWhqp05Q9m6z8PFJagQVcscILN1kE6Q0aI6JQuq6ukIdCn3qOFjPpO2X4Rj +M61V1Q5CpRD9D2EmAWTM0L7nFqzoBUbr4AtnhqeP8dElI4uEuK/sPGzgjRZt/A1zdE5vIsRi OnM1SI4lZ/+ri7ZaybeIr4B01c7rcxUY1Mx3kc01owtj98ol3i+cdQHraaSRL7JOwyEsmXmUU 04mOMKXhUQo/IR8bJ5jImO0Q2EfvnAAX1leRy1KLuUI56sLk6MlXsBvY8GFflLKcUzI5n/4X9 /EhuNMOGLuF87GOEXy2t875GFBIl9wz+L3+h53oCyDmz3Kizex0e8M7s3+GxIea965OWPUpOI hoaw/8vxuXnoloNcJPpZh4vfVFsPOXSnx1wTJjEcq3v1fL92VGJ5grOv+BL815kx1clw4Mb6k tfOLg5HljFvizIqaIibowsy6js6AUHYx8QqvISlpK5BRN6ifI11m8oPZvDifcuQTNpYdgxj+X nbhahUFII+b9bsygO1ZbyM+HGiSvbkE8cpFye4gc19L/k7ESiHLmM4h7STbPJ2v3CQZNEnLi5 BrNjZMli3uIbiQC0wti7sl8LlhqLkfG/3rTULx4DdX++9afdOQtRPjYTxhhaNtp9L2N+fHKMI qrUXoOnvPfDWa4BlFbb325zSKsIzan8YId34Af070PWYbIr0i1IjZcN3/1llcvrUG2o1ZUeUl rHRpXOjU4dmyR4RZ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220419_091136_924737_43F2BC6A X-CRM114-Status: GOOD ( 16.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Ivan, Am 19.04.22 um 17:05 schrieb Ivan T. Ivanov: > On 04-18 18:01, Stefan Wahren wrote: >>>> Do you use the mainline DTS or the vendor DTS to see this issue? >>>> >>> For (open)SUSE we use downstream DTS. >> This is popular and bad at the same time. We as the mainline kernel >> developer cannot guarantee that this works as expected. A lot of issues are >> caused by mixing vendor DTS with mainline kernel, so in general (not for >> this specific issue) you are on your own with this approach. >> > Yep, I am aware of that. I am still trying to recover after recent > gpio-ranges fiasco, also still working on fixing non-exported firmware > clocks, which break HDMI output on some of the devices. I guess, these firmware clock issues are only reproducible with vendor DTS? > >> I know this is a little bit off topic but except from overlay support, can >> you provide a list of most missing features of the mainline kernel / DTS? > Well, 260+ overlays for free is not insignificant benefit. Beside few > breakages from time to time using downstream device tree works fine. I think the better approach is to add the missing steps for overlay support in mainline. Best regards > > Regards, > Ivan > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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 18762C433EF for ; Tue, 19 Apr 2022 16:17:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354573AbiDSQTs (ORCPT ); Tue, 19 Apr 2022 12:19:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354562AbiDSQTm (ORCPT ); Tue, 19 Apr 2022 12:19:42 -0400 X-Greylist: delayed 314 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 19 Apr 2022 09:16:59 PDT Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F69139BA5; Tue, 19 Apr 2022 09:16:58 -0700 (PDT) Received: from [192.168.1.107] ([37.4.249.94]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MOiLv-1nHAaj40lT-00Q8zV; Tue, 19 Apr 2022 18:11:23 +0200 Message-ID: Date: Tue, 19 Apr 2022 18:11:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH v2] clk: bcm2835: Round UART input clock up Content-Language: en-US To: "Ivan T. Ivanov" Cc: Michael Turquette , Stephen Boyd , Nicolas Saenz Julienne , Florian Fainelli , Ray Jui , Scott Branden , Paul Walmsley , Palmer Dabbelt , Albert Ou , Phil Elwell , kernel test robot , bcm-kernel-feedback-list@broadcom.com, linux-clk@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20220404125113.80239-1-iivanov@suse.de> <20220414105656.qt52zmr5vjmjdcxc@suse> <0b3356c0-b4c8-91ed-dfde-9f50483ec36f@i2se.com> <20220418110516.s7jxsfa3jl7aagrf@suse> <2a46bd1c-600b-5bd9-1c19-20c809f63945@i2se.com> <20220418113801.uree7rvkzxpiwyni@suse> <6adc9c1c-ec75-b52c-9c44-00296eaa00f6@i2se.com> <20220419150555.igh6tdxgjb7meygx@suse> From: Stefan Wahren In-Reply-To: <20220419150555.igh6tdxgjb7meygx@suse> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:k3v/NjHx03Qa/XH+nWoErQY7BDb3NBOyLbmyf1V5wOpAQtoDudw 4VXzBC+qhQ0H4BHTZqM4sxz+ESp0lpXES+WXAWbdyOtA7U28+GJeGna9MWoPxztgPny06Tg hS8Qau/S4iZikBn0umzGHi96HxBgKi+hSanLuFGIlLIGhH1JFD4oquk4WgoWfL+5rtteZtc WfE3saZE5EtoY+4A5Blrg== X-UI-Out-Filterresults: notjunk:1;V03:K0:T4Jiz90U13c=:whMxW1OBO7TIa3bDIsB8CF gl6HKv3l2vVNP/ZfATukcL5xLZh1HEMF5zmBJ19j2VGF2dN6ccMwBElJDU+D0fILlIEnyf6ZS ClkXjDby6EFZiehBxT2DCc7M5tg/2/cgqY4obd8VfDBNSQ6Yed4SA9LnhtGu0d3Z374xx67pK spIwa7Wcg/h+JJVrZbgCVnyaBwNVuZLSBbUB6XK2b8k9lM3bFlodcZFrhRi6tp9L66kCp7+Qe DzCM+AhRsceFR7u7Cj6XMRFsKTdyHhZWkriMGJs7LRobDjr3N+UWUZa8AXkrcvGYHzFBRTA2I ff2li5NmRGdYUNIN9i/c8gBQ2l4X1OBS2OUrqUEV1Vb0Mc/OcLkZwIpt16Pv/sF/bkMwSKfYT 44RLj9c8kW0BDokS6rkHhL83/2WfrZocB7stPZw3pL0EIkzQ+E3mJ/C4sjk/ZZRBKLZp2bM4k 36tZnATf4ALTSVrg9SVowq+cwsRPLPtVpFNLbtAnJCLwrDAlnfENRvtgBjau0F4kSvfueRODe xhVcfjihnOJuAtXnPbqfd79Rd/Q30gRI9VsAJnoXq3q3yQ2KEgIdI3ZsNiMbYb3b8Vch9prV9 RuGK9Ie47vvBeyrJdAIAc3lLFgGLf8tyAuzS+gEZaL/L+5V7AcTGLLwT+33twGQdZRmHf4ESp e5CgLIW4BkCgF+bkn6O36UsRZXUisUFEPd0XedmBwdSK9tTQx79Qwh21zfWUQWqDl1VHlUkzS CflDzaTsmNVv/Yru Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ivan, Am 19.04.22 um 17:05 schrieb Ivan T. Ivanov: > On 04-18 18:01, Stefan Wahren wrote: >>>> Do you use the mainline DTS or the vendor DTS to see this issue? >>>> >>> For (open)SUSE we use downstream DTS. >> This is popular and bad at the same time. We as the mainline kernel >> developer cannot guarantee that this works as expected. A lot of issues are >> caused by mixing vendor DTS with mainline kernel, so in general (not for >> this specific issue) you are on your own with this approach. >> > Yep, I am aware of that. I am still trying to recover after recent > gpio-ranges fiasco, also still working on fixing non-exported firmware > clocks, which break HDMI output on some of the devices. I guess, these firmware clock issues are only reproducible with vendor DTS? > >> I know this is a little bit off topic but except from overlay support, can >> you provide a list of most missing features of the mainline kernel / DTS? > Well, 260+ overlays for free is not insignificant benefit. Beside few > breakages from time to time using downstream device tree works fine. I think the better approach is to add the missing steps for overlay support in mainline. Best regards > > Regards, > Ivan > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel