From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752514AbbJZA5K (ORCPT ); Sun, 25 Oct 2015 20:57:10 -0400 Received: from mail.kernel.org ([198.145.29.136]:34434 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752343AbbJZA45 (ORCPT ); Sun, 25 Oct 2015 20:56:57 -0400 MIME-Version: 1.0 In-Reply-To: <1443799181-50409-5-git-send-email-yingjoe.chen@mediatek.com> References: <1443799181-50409-1-git-send-email-yingjoe.chen@mediatek.com> <1443799181-50409-5-git-send-email-yingjoe.chen@mediatek.com> Date: Mon, 26 Oct 2015 09:56:50 +0900 Message-ID: Subject: Re: [PATCH v5 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135 From: Kevin Hilman To: Yingjoe Chen Cc: Russell King - ARM Linux , Matthias Brugger , "devicetree@vger.kernel.org" , srv_heupstream@mediatek.com, Arnd Bergmann , Stephen Boyd , lkml , Rob Herring , linux-mediatek@lists.infradead.org, Sascha Hauer , Olof Johansson , "linux-arm-kernel@lists.infradead.org" , Tyler Baker Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Sat, Oct 3, 2015 at 12:19 AM, Yingjoe Chen wrote: > Add arch timer node to enable arch-timer support. MT8135 firmware > doesn't correctly setup arch-timer frequency and CNTVOFF, add > properties to workaround this. > > This also set cpu enable-method to enable SMP. > > Signed-off-by: Yingjoe Chen kernelci.org started detecting new boot failures for the mt8135-evb in the arm-soc tree[1], and the boot failures were bisected down to this patch, which landed upstream in the form of commit d186a394bb98 (ARM: dts: mt8135: enable basic SMP bringup for mt8135) Maybe this new SMP support requires updating the firmware on the board as well? If so, the changelog should've been a bit more explicit about firmware dependencies. Kevin [1] http://kernelci.org/boot/mt8135-evbp1/job/arm-soc/kernel/v4.3-rc5-795-ga4b616012d2e/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=562b1cf959b5149e07111471 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCH v5 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135 Date: Mon, 26 Oct 2015 09:56:50 +0900 Message-ID: References: <1443799181-50409-1-git-send-email-yingjoe.chen@mediatek.com> <1443799181-50409-5-git-send-email-yingjoe.chen@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1443799181-50409-5-git-send-email-yingjoe.chen@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Yingjoe Chen Cc: Russell King - ARM Linux , Matthias Brugger , "devicetree@vger.kernel.org" , srv_heupstream@mediatek.com, Arnd Bergmann , Stephen Boyd , lkml , Rob Herring , linux-mediatek@lists.infradead.org, Sascha Hauer , Olof Johansson , "linux-arm-kernel@lists.infradead.org" , Tyler Baker List-Id: devicetree@vger.kernel.org Hello, On Sat, Oct 3, 2015 at 12:19 AM, Yingjoe Chen wrote: > Add arch timer node to enable arch-timer support. MT8135 firmware > doesn't correctly setup arch-timer frequency and CNTVOFF, add > properties to workaround this. > > This also set cpu enable-method to enable SMP. > > Signed-off-by: Yingjoe Chen kernelci.org started detecting new boot failures for the mt8135-evb in the arm-soc tree[1], and the boot failures were bisected down to this patch, which landed upstream in the form of commit d186a394bb98 (ARM: dts: mt8135: enable basic SMP bringup for mt8135) Maybe this new SMP support requires updating the firmware on the board as well? If so, the changelog should've been a bit more explicit about firmware dependencies. Kevin [1] http://kernelci.org/boot/mt8135-evbp1/job/arm-soc/kernel/v4.3-rc5-795-ga4b616012d2e/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=562b1cf959b5149e07111471 From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@kernel.org (Kevin Hilman) Date: Mon, 26 Oct 2015 09:56:50 +0900 Subject: [PATCH v5 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135 In-Reply-To: <1443799181-50409-5-git-send-email-yingjoe.chen@mediatek.com> References: <1443799181-50409-1-git-send-email-yingjoe.chen@mediatek.com> <1443799181-50409-5-git-send-email-yingjoe.chen@mediatek.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello, On Sat, Oct 3, 2015 at 12:19 AM, Yingjoe Chen wrote: > Add arch timer node to enable arch-timer support. MT8135 firmware > doesn't correctly setup arch-timer frequency and CNTVOFF, add > properties to workaround this. > > This also set cpu enable-method to enable SMP. > > Signed-off-by: Yingjoe Chen kernelci.org started detecting new boot failures for the mt8135-evb in the arm-soc tree[1], and the boot failures were bisected down to this patch, which landed upstream in the form of commit d186a394bb98 (ARM: dts: mt8135: enable basic SMP bringup for mt8135) Maybe this new SMP support requires updating the firmware on the board as well? If so, the changelog should've been a bit more explicit about firmware dependencies. Kevin [1] http://kernelci.org/boot/mt8135-evbp1/job/arm-soc/kernel/v4.3-rc5-795-ga4b616012d2e/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=562b1cf959b5149e07111471