From patchwork Wed Aug 9 19:24:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Bara X-Patchwork-Id: 712494 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 371BDC41513 for ; Wed, 9 Aug 2023 19:25:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233810AbjHITZf (ORCPT ); Wed, 9 Aug 2023 15:25:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233462AbjHITZU (ORCPT ); Wed, 9 Aug 2023 15:25:20 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D5D54691; Wed, 9 Aug 2023 12:24:17 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-3fe4cdb72b9so993375e9.0; Wed, 09 Aug 2023 12:24:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691609056; x=1692213856; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=v0OupzEUCI9LUKIXmkOERrh940bGOq6qhg8B+pfcxgs=; b=HV2fSypLOEmAvKFieQ92XaiApHN6K95hfIOek/2M6i8dqTdlYi8Gs9lj1HkpIJ4+DX lYuHRnDZMsPGS9XeEyRwVUodGtUN608KVx2uupAwc95D/Jmx3itbMUgFBqJaf4BuPlJ6 UmFI+QOczemah6/HHgs+YXJD/sxerHPhr+EsBfoD2OXxl3uKd+XiTLTYQHyqJ09k8L94 NLN/ijhpcV5gvFH4I6KBndXdmkSGILOISdnhuSQymd9Fk84CqubeMTm1nLeNT5xiyRgm q0ZGXb5gNvmHKcdaJ5CF24+F+EVvTtx/y84yiD+A+fv8S7iJIU3ZXWWt1ba69RdWcOoT 6VMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691609056; x=1692213856; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=v0OupzEUCI9LUKIXmkOERrh940bGOq6qhg8B+pfcxgs=; b=QzhuKt4oGudelpJ4ly0txl43KWpZxOaNOhn/IEEjrYK5MfgNKKBrI8i3vOiOOWRPsR EHoPf03U4KB0RtWlbezm7u0qRvyyPijc0tGoe3KcirqmHiktJnLBNXWAvNccNyMMNfZc ymZY6evArHRgPPrVB+xU3YGz2F2FpJYK8MFP7X/EMRobrNtDpNyvY12NtLDE4T9z5J8t BIpxq9MI+pnO7gt4m0FvLR+mfMAO46yKsPyLI/wfhWTDEtIiMFfY9qCUTGidvYfTxX7B kzD+N3msQUyPeiIgU50xrEBADM3G8hiAy0PrMrirt3zTtw70CxMkNz4G/aLjrX/h73pa W2Aw== X-Gm-Message-State: AOJu0YzFljwbRjlJO9F5fMXJd3cHxO2Ba9Tl7ASehiwpNP6JtAIbQsOB 4ZvHFUTpxLiPLHm3l4/rvEA= X-Google-Smtp-Source: AGHT+IEDQ0jEC9DLkLjjDcq9vtTgHzcHQeZHytemLaVScSTO7uZiV8+UdY7Oq7vRBWlqUo3xR6nIwQ== X-Received: by 2002:a7b:c395:0:b0:3fe:18a3:b3c with SMTP id s21-20020a7bc395000000b003fe18a30b3cmr62612wmj.12.1691609055409; Wed, 09 Aug 2023 12:24:15 -0700 (PDT) Received: from [127.0.1.1] ([91.230.2.244]) by smtp.gmail.com with ESMTPSA id y9-20020a7bcd89000000b003fba6a0c881sm2776208wmj.43.2023.08.09.12.24.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Aug 2023 12:24:15 -0700 (PDT) From: Benjamin Bara Subject: [PATCH v2 0/6] regulator: pca9450: register restart handlers Date: Wed, 09 Aug 2023 21:24:02 +0200 Message-Id: <20230809-pca9450-reboot-v2-0-b98b4f8139d5@skidata.com> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIANLn02QC/13MQQrCMBCF4auUWRtJppFUV95DukjSiR3EpiShK KV3NxbcuPwfvG+FTIkpw6VZIdHCmeNUAw8N+NFOdxI81AaU2EqDWszenvVJikQuxiKkaxFVF7y xCPU0Jwr82sFbX3vkXGJ67/6ivuuPMv/UooQUvqPBoXFBS33NDx5ssUcfn9Bv2/YB8Pchw64AA AA= To: Lee Jones , Thierry Reding , Jonathan Hunter , Tony Lindgren , Liam Girdwood , Mark Brown , Dmitry Osipenko , peng.fan@oss.nxp.com, rafael.j.wysocki@intel.com, Jerome Neanne Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, Benjamin Bara , Thierry Reding X-Mailer: b4 0.12.3 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Hi! This series implements two restart handler registrations for the pca9450 (6/6). As the pca9450 supports both, cold and warm resets, and there exist at least one other PMIC implementation which also implements a warm and a cold reset (tps65219), 1-5/6 should simplify/clarify the distinction process between warm/soft and cold/hard resets/restarts. Instead of deciding in the handler, this should be done during registration. The series is a follow-up to Dmitry's feedback, regarding checking the reboot_mode in the handler [1]. As the cold handler queue is executed before the warm handler queue (when the reboot_mode is not changed/specified), cold handlers are implicitly executed with a higher prio and therefore the default registration can be used. This series is based on linux-next and 6/6 depends on [2]. Thanks & best regards, Benjamin [1] https://lore.kernel.org/all/7eddaf8c-ab04-7670-fc45-15f0fce5eff2@collabora.com/ [2] https://lore.kernel.org/all/20230327-tegra-pmic-reboot-v7-3-18699d5dcd76@skidata.com/ --- Changes in v2: - rebase to next-20230809 - improve commit messages - use helper (with implicit priority) instead of explicit priority - fallback to warm handler if hard/cold requested but failed - Link to v1: https://lore.kernel.org/r/20230727-pca9450-reboot-v1-0-c8edb27bf404@skidata.com --- Benjamin Bara (6): kernel/reboot: distinguish between cold and warm mfd: rk8xx: Specify restart mode soc/tegra: pmc: Specify restart mode mfd: tps65219: Specify restart mode kernel/reboot: remove generic restart mode regulator: pca9450: register restart handlers drivers/mfd/rk8xx-core.c | 6 +-- drivers/mfd/tps65219.c | 17 +++++-- drivers/regulator/pca9450-regulator.c | 59 ++++++++++++++++++++++++ drivers/soc/tegra/pmc.c | 2 +- include/linux/reboot.h | 23 +++++++--- include/linux/regulator/pca9450.h | 7 +++ kernel/reboot.c | 84 +++++++++++++++++++++++++++++------ 7 files changed, 170 insertions(+), 28 deletions(-) --- base-commit: 21ef7b1e17d039053edaeaf41142423810572741 change-id: 20230724-pca9450-reboot-0b32218fc7a2 Best regards,