From patchwork Mon May 9 23:32:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12844282 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 7F0C6C433FE for ; Mon, 9 May 2022 23:35:25 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iIF00HJ14XqCKwQTnyAPubFLZddadoFCuojeRb5+fG4=; b=Caz9kJp9lE8kp2 P70G532TK+KaLQ1eVPuS8Yrp712m/SKWwNhEUPT7OK42oiNtIvHL9xO7OmQffgDnvp7Iz3CSHuCW6 rL0LjsTyJB3/fRNtiStgZ1JRWIaSBcxGu7uIP/dwCTUbgoNqGihtJGADNKxAJRtbPbcfTsDgc9KIx ctcguuZ0TML+obsBvh9Ar+TQrkQmuWrtyXIGU4Zz+5WweJJuMtq3Koh4QGjJRD+y7oOkqeVDA1y20 IuzJVLuUIXuXPayUzd6TDZ+2/yrhxa/R/shlcl5sSVxbiUlQvBubVswLKUzNuX1tb4MGQmmekcsZn RtZwY1MQF7AoHTq+piRw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1noCuK-00GliR-Mt; Mon, 09 May 2022 23:35:16 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1noCte-00Gl9L-FX for linux-riscv@lists.infradead.org; Mon, 09 May 2022 23:34:36 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: dmitry.osipenko) with ESMTPSA id 7BE1A1F4422B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652139273; bh=XtOxeNpEZBzsEZoOwk1w0xc4u4++IeNM8JHEy/MILRs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DGGv7NB7YFjR/XyFr6bky/W+z/hPJaeKzOrZp6S3NkKmsspZefTK98eiyR/2PprHF SZXwZ9k9uPPdX2japixfTOG/AkmkZ3D+LB7Udgq8t/o13fV+sK+wTnOE/L4HgXdA53 nvSDO9U/xKP8LpKY1VJetO4hoBC6fW0zfXiuOgG/3L6dFRe9KpmJts3DTUhBhSu7D4 /z4YOyQOb4V/fbU6Imyw0C5sByK4+txkAyVBFrLWSJ5ovT1rrtNZtFjsKgKayHBUAG dYw8SdmUATaBmvB/AvJb06MJ7Bn9SOe65TF2LOFEbL8F4bwXe+OpgmwAQ88g/rheVt rGHHW0DMlZ6Ag== From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Russell King , Catalin Marinas , Will Deacon , Guo Ren , Geert Uytterhoeven , Greg Ungerer , Joshua Thompson , Thomas Bogendoerfer , Sebastian Reichel , Linus Walleij , Philipp Zabel , Greentime Hu , Vincent Chen , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Yoshinori Sato , Rich Felker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , "Rafael J. Wysocki" , Len Brown , Santosh Shilimkar , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Pavel Machek , Lee Jones , Andrew Morton , Guenter Roeck , Daniel Lezcano , Andy Shevchenko , Ulf Hansson , =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Cc: linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v8 23/27] regulator: pfuze100: Use devm_register_sys_off_handler() Date: Tue, 10 May 2022 02:32:31 +0300 Message-Id: <20220509233235.995021-24-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220509233235.995021-1-dmitry.osipenko@collabora.com> References: <20220509233235.995021-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220509_163434_844925_26D0C0C7 X-CRM114-Status: GOOD ( 17.45 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Use devm_register_sys_off_handler() that replaces global pm_power_off_prepare variable and allows to register multiple power-off handlers. Acked-by: Mark Brown Signed-off-by: Dmitry Osipenko --- drivers/regulator/pfuze100-regulator.c | 42 +++++++++++--------------- 1 file changed, 17 insertions(+), 25 deletions(-) diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index d60d7d1b7fa2..0322f6b1fb60 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -569,10 +570,10 @@ static inline struct device_node *match_of_node(int index) return pfuze_matches[index].of_node; } -static struct pfuze_chip *syspm_pfuze_chip; - -static void pfuze_power_off_prepare(void) +static int pfuze_power_off_prepare(struct sys_off_data *data) { + struct pfuze_chip *syspm_pfuze_chip = data->cb_data; + dev_info(syspm_pfuze_chip->dev, "Configure standby mode for power off"); /* Switch from default mode: APS/APS to APS/Off */ @@ -607,28 +608,30 @@ static void pfuze_power_off_prepare(void) regmap_update_bits(syspm_pfuze_chip->regmap, PFUZE100_VGEN6VOL, PFUZE100_VGENxLPWR | PFUZE100_VGENxSTBY, PFUZE100_VGENxSTBY); + + return NOTIFY_DONE; } static int pfuze_power_off_prepare_init(struct pfuze_chip *pfuze_chip) { + int err; + if (pfuze_chip->chip_id != PFUZE100) { dev_warn(pfuze_chip->dev, "Requested pm_power_off_prepare handler for not supported chip\n"); return -ENODEV; } - if (pm_power_off_prepare) { - dev_warn(pfuze_chip->dev, "pm_power_off_prepare is already registered.\n"); - return -EBUSY; + err = devm_register_sys_off_handler(pfuze_chip->dev, + SYS_OFF_MODE_POWER_OFF_PREPARE, + SYS_OFF_PRIO_DEFAULT, + pfuze_power_off_prepare, + pfuze_chip); + if (err) { + dev_err(pfuze_chip->dev, "failed to register sys-off handler: %d\n", + err); + return err; } - if (syspm_pfuze_chip) { - dev_warn(pfuze_chip->dev, "syspm_pfuze_chip is already set.\n"); - return -EBUSY; - } - - syspm_pfuze_chip = pfuze_chip; - pm_power_off_prepare = pfuze_power_off_prepare; - return 0; } @@ -837,23 +840,12 @@ static int pfuze100_regulator_probe(struct i2c_client *client, return 0; } -static int pfuze100_regulator_remove(struct i2c_client *client) -{ - if (syspm_pfuze_chip) { - syspm_pfuze_chip = NULL; - pm_power_off_prepare = NULL; - } - - return 0; -} - static struct i2c_driver pfuze_driver = { .driver = { .name = "pfuze100-regulator", .of_match_table = pfuze_dt_ids, }, .probe = pfuze100_regulator_probe, - .remove = pfuze100_regulator_remove, }; module_i2c_driver(pfuze_driver);