From patchwork Fri Sep 1 02:42:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuan Tan X-Patchwork-Id: 13371993 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 2DD25CA0FE1 for ; Fri, 1 Sep 2023 02:43:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344646AbjIACnH (ORCPT ); Thu, 31 Aug 2023 22:43:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238172AbjIACnH (ORCPT ); Thu, 31 Aug 2023 22:43:07 -0400 Received: from bg4.exmail.qq.com (bg4.exmail.qq.com [43.154.54.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A95CE72; Thu, 31 Aug 2023 19:43:03 -0700 (PDT) X-QQ-mid: bizesmtp74t1693536160toaj6r1k Received: from main2-ubuntu.tail147f4.ts.net ( [202.201.15.117]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 01 Sep 2023 10:42:37 +0800 (CST) X-QQ-SSF: 01200000000000907000000A0000000 X-QQ-FEAT: Q4gfBD3K7t8LHx8FTZT7R0pzOr2xQ6PVUi1NqX923gFepa7VKzyhODmAnf/j0 FFzWi/HfxQmD+/itG5KD65p28ioecp5k/AJ+x1vHkVpR/b5F0y7QQvib9awrU1wl1sKPmgR DGcWYU0UGPPOFXS0wtLkBVDtTntXGwDgSJYX2GGowmoGMr6K4cFE9c9WYMhLDQQfrnqjY4F Zz2mRZtdE0ujBac9ry3WNOT8lOQbTUrLOs6YLl9H9jMnB89w1yfbN+4wILm134/jMTdE/k0 gEvzTPdgjWMiPXf+dfGlNIRjeKO3tZEQZmPMyn5OocSfuJPkfkpla+lAgDMxG5FeEuR626H Pz0sgpL5DCfb6CCkwJ452J6ANiL5/P1yKGEH0dvVSFZT1JEi58= X-QQ-GoodBg: 0 X-BIZMAIL-ID: 14128962257822734387 From: Yuan Tan To: mpe@ellerman.id.au, christophe.leroy@csgroup.eu, tglx@linutronix.de, mingo@redhat.com, tsbogend@alpha.franken.de, hdegoede@redhat.com Cc: linux@weissschuh.net, w@1wt.eu, falcon@tinylab.org, linux-mips@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Yuan Tan Subject: [PATCH v2 0/3] Add dependencies of POWER_RESET for MIPS Malta, x86, and PowerMac Date: Fri, 1 Sep 2023 10:42:36 +0800 Message-Id: X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:tinylab.org:qybglogicsvrgz:qybglogicsvrgz5a-1 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org These patches are to add dependencies of POWER_RESET for MIPS Malta, x86, and PowerMac. I am really sorry I forget to use --thread in v1[1] as I stayed up too late. So here I am resending v2 patch with a mirror fix and consolidating them into a thread. To simplify the enablement of the poweroff support, selecting the required options for CONFIG_POWER_RESET=y may make many people happy especially when they are using a customized config (maybe tinyconfig based) for a target qemu board. Without normal poweroff support from the kernel side, qemu will simply hang[2] there after a 'poweroff' command, which is a very bad experience for the automatical tests. Currently, based on tinyconfig, it is very hard to find the exact poweroff options[3]. Some architectures' poweroff works well without any dependence, the others' poweroff options are hidden deeply, which make things hard. After multiple verifications, these options have been identified as the minimum dependencies required for poweroff to function normally. Zhangjin and I invested a significant amount of time in searching for the current options on these devices. We hope that this set of patches will save time for others. If community like it, we will consider adding dependencies for POWER_RESET on other devices. --- [1]: https://lore.kernel.org/lkml/20230831201727.3177853-1-tanyuan@tinylab.org/ [2]: https://lore.kernel.org/lkml/511b2f6009fb830b3f32b4be3dca99596c684fa3.1689759351.git.falcon@tinylab.org/ [3]: https://lore.kernel.org/all/983843582e52e83fba79ad45cea6c79e1f62ec6c.1690489039.git.falcon@tinylab.org/ --- Changes since v1: - Fix the mistake of using spaces instead of tabs in kconfig. Yuan Tan (3): kconfig: add dependencies of POWER_RESET for mips malta kconfig: add dependencies of POWER_RESET for x86 kconfig: add dependencies of POWER_RESET for PowerMac arch/mips/Kconfig | 3 +++ arch/powerpc/platforms/powermac/Kconfig | 1 + arch/x86/Kconfig | 2 ++ 3 files changed, 6 insertions(+)