From patchwork Mon Feb 5 19:44:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Davis X-Patchwork-Id: 13546103 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 493AAC48292 for ; Mon, 5 Feb 2024 19:45:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=psW+zR+255VuGRBEiZa3qV2ZSoJCA9HDeWGIZlh4BNU=; b=XInhb6FUcE+j679TPejiHOwiH8 fazsNJLyl3kicH6w5Ycnd/covgpdSWmy62knJTj6xBN4soztHRDkwC+k0KhAy71GH70DmRhXI29Od /pyf6Y9RJ8NQll0VXkfjtRyc42DUg/oNNY/LFpslrGI5A25TdV5iucTKnezGlS6JmvQMLu7f8m+Ew 0qrnjici1HHR+P4N/qci5dAY5OnkA6bJEPsFyHW7OchCB1lOonLv8413AYjgHf0VpCcQ64bF6wTYw wfYfRcMBRFdeqhfLJ+4rRSTz8g41rOwbmfLmWVQvSl/RkJnSd/Gvl4quuwnTex6phYev3ItMzljgZ Za23N4UQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rX4uE-00000004qbQ-3eBu; Mon, 05 Feb 2024 19:45:26 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rX4ti-00000004q7e-3xDX; Mon, 05 Feb 2024 19:44:57 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 415Jinwq016365; Mon, 5 Feb 2024 13:44:49 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1707162289; bh=psW+zR+255VuGRBEiZa3qV2ZSoJCA9HDeWGIZlh4BNU=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=SuZoOmzM5855zc/unDBamQAPnbFh0/l+IxHxo2mxv2GwQprAXhgzERtF0WhwdSlBt iO8s+waONp/E83sOwXJBp+QVS9zaaaHIhBYzhSghzJLoPn10V+141BhWYz1eZyaODq kbEdG9zh1qI+sPO/W9iMoTgsaO0P0zi0K3kZiohs= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 415Jin4Q090697 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 5 Feb 2024 13:44:49 -0600 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 5 Feb 2024 13:44:48 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 5 Feb 2024 13:44:48 -0600 Received: from lelvsmtp5.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 415JicQc028467; Mon, 5 Feb 2024 13:44:48 -0600 From: Andrew Davis To: Sebastian Reichel , Manivannan Sadhasivam , Cristian Ciocaltea , Florian Fainelli , Ray Jui , Scott Branden , Bjorn Andersson , Konrad Dybcio , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Andrew Davis Subject: [PATCH v2 15/19] power: reset: as3722-poweroff: Use devm_register_sys_off_handler(POWER_OFF) Date: Mon, 5 Feb 2024 13:44:33 -0600 Message-ID: <20240205194437.180802-16-afd@ti.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240205194437.180802-1-afd@ti.com> References: <20240205194437.180802-1-afd@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240205_114455_265698_0C57890D X-CRM114-Status: GOOD ( 14.25 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Use device life-cycle managed register function to simplify probe and exit paths. Signed-off-by: Andrew Davis --- drivers/power/reset/as3722-poweroff.c | 30 ++++++++++----------------- 1 file changed, 11 insertions(+), 19 deletions(-) diff --git a/drivers/power/reset/as3722-poweroff.c b/drivers/power/reset/as3722-poweroff.c index ab3350ce2d621..bb26fa6fa67ca 100644 --- a/drivers/power/reset/as3722-poweroff.c +++ b/drivers/power/reset/as3722-poweroff.c @@ -11,6 +11,7 @@ #include #include #include +#include #include struct as3722_poweroff { @@ -18,22 +19,18 @@ struct as3722_poweroff { struct as3722 *as3722; }; -static struct as3722_poweroff *as3722_pm_poweroff; - -static void as3722_pm_power_off(void) +static int as3722_pm_power_off(struct sys_off_data *data) { + struct as3722_poweroff *as3722_pm_poweroff = data->cb_data; int ret; - if (!as3722_pm_poweroff) { - pr_err("AS3722 poweroff is not initialised\n"); - return; - } - ret = as3722_update_bits(as3722_pm_poweroff->as3722, AS3722_RESET_CONTROL_REG, AS3722_POWER_OFF, AS3722_POWER_OFF); if (ret < 0) dev_err(as3722_pm_poweroff->dev, "RESET_CONTROL_REG update failed, %d\n", ret); + + return NOTIFY_DONE; } static int as3722_poweroff_probe(struct platform_device *pdev) @@ -54,18 +51,14 @@ static int as3722_poweroff_probe(struct platform_device *pdev) as3722_poweroff->as3722 = dev_get_drvdata(pdev->dev.parent); as3722_poweroff->dev = &pdev->dev; - as3722_pm_poweroff = as3722_poweroff; - if (!pm_power_off) - pm_power_off = as3722_pm_power_off; - return 0; -} + return devm_register_sys_off_handler(as3722_poweroff->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + as3722_pm_power_off, + as3722_poweroff); -static void as3722_poweroff_remove(struct platform_device *pdev) -{ - if (pm_power_off == as3722_pm_power_off) - pm_power_off = NULL; - as3722_pm_poweroff = NULL; + return 0; } static struct platform_driver as3722_poweroff_driver = { @@ -73,7 +66,6 @@ static struct platform_driver as3722_poweroff_driver = { .name = "as3722-power-off", }, .probe = as3722_poweroff_probe, - .remove_new = as3722_poweroff_remove, }; module_platform_driver(as3722_poweroff_driver);