From patchwork Wed Jul 26 04:00:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 706841 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 55B63C001DE for ; Wed, 26 Jul 2023 04:04:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231624AbjGZEE3 (ORCPT ); Wed, 26 Jul 2023 00:04:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231656AbjGZEDx (ORCPT ); Wed, 26 Jul 2023 00:03:53 -0400 Received: from APC01-TYZ-obe.outbound.protection.outlook.com (mail-tyzapc01on2120.outbound.protection.outlook.com [40.107.117.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B744E421A; Tue, 25 Jul 2023 21:02:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=DTXJD69KgUZTj2u6GKGwFlL79BlJ05p+Gv5e8ng0W4TNTxMspEVKjaSkb7o0nAHpwlkr01UhKxjhq4OXx+Lorrm0Q4WGfyNwBdAAZorg9pjH/AV3X0dy99K3GJoQ4Lfd5IUtAKrICLv3jd8wZnEVk6cx7d7Y31xAzEeTJ615NtrANuPO+LbNzxogb02N8S4dXP/aQ1YGZpeqD7AnBmSfCa4XLbEsik+qUsfuMm421UEVdDDHCT13Vg7a4QwdF2wPqrw6UqNrmaCRYHhny4gamtGNrx3vvZj44kARQrgcr1EFSZJSXPQVW695iV0dWhrcX/VMm7Sj9fLHziizCppY1A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=+nPOwPKYNeq/2Tv4iqOeh7ZkKMvKEp8wvhNPamOgGPQ=; b=UZUokC+k8+odT7uAU1cqE0wG42trolnTN66wiKHPsU3aP6rLwrg6S6kQ4NANoZxbpSCt/6JLbYbC8LWM/dyYDU9aYC/5OFod+kyjKputqr++aL8grzCKC2iGu7PyhofoDJZjRCGaEmAI1oeRHuSU2c/fFF92eijvVPdjYvIriHDU801ae1LwpUJ0XMiWXzQxlUxcfLOjLvdOPL+W1z/9xolE597Nrb1bGp6QgkbbqvDEEXu6OiG2NNj4imDG6j9I4TJJNyOnjUxnoB2t9MSZPoiPM0jnHzVj3Ogv8C3fmYMwVmbsUZcsjBgJ+xCBRJ1Si2xYa42ESmLLue+NX7aQpw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+nPOwPKYNeq/2Tv4iqOeh7ZkKMvKEp8wvhNPamOgGPQ=; b=EtHqE/pcLApsjrI1sGAcpsDHBbDnRAlsQ1DsYZPSHkIYOQVqYfAbA+qnmqDzN/0VDjYZXxAmgxHetsoW3dhppzkR/RhaG3Fh4+sfM7IGBkLJ71YW2x2sYCOHVfc8isKa5UTLePA6c7tuM7eysUJAO3E337nfkbe4/5fgf2Wk8PfDjpgmkk51Im/qoc7y0j1RFJEguVfXqAPORzrY+tNpML5Q9YeAew0ORSl3hpXLI53KhPD5Y7a6y07DCAT8DyGFz7sfZgihEVu/eNmifFYWIwRbi1wr4qk9ieQ+Z41TG1UWxf7aoXURJ0wf+95yET+z48QALatT9BKyg561BUPyuw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) by TYZPR06MB3934.apcprd06.prod.outlook.com (2603:1096:400:7::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6609.33; Wed, 26 Jul 2023 04:01:33 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::732f:ea1d:45a1:1e0b]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::732f:ea1d:45a1:1e0b%3]) with mapi id 15.20.6631.026; Wed, 26 Jul 2023 04:01:33 +0000 From: Yangtao Li To: Adrian Hunter , Hu Ziji , Ulf Hansson Cc: Yangtao Li , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 20/61] mmc: xenon: Convert to platform remove callback returning void Date: Wed, 26 Jul 2023 12:00:00 +0800 Message-Id: <20230726040041.26267-20-frank.li@vivo.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230726040041.26267-1-frank.li@vivo.com> References: <20230726040041.26267-1-frank.li@vivo.com> X-ClientProxiedBy: SG2PR02CA0093.apcprd02.prod.outlook.com (2603:1096:4:90::33) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|TYZPR06MB3934:EE_ X-MS-Office365-Filtering-Correlation-Id: 9195fc04-7526-4576-f174-08db8d8d000a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SEZPR06MB5269.apcprd06.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230028)(4636009)(376002)(396003)(346002)(39860400002)(366004)(136003)(451199021)(66946007)(66556008)(83380400001)(2616005)(41300700001)(38100700002)(38350700002)(86362001)(36756003)(8936002)(8676002)(5660300002)(478600001)(110136005)(6486002)(52116002)(54906003)(66476007)(316002)(4326008)(6666004)(2906002)(6512007)(1076003)(186003)(26005)(6506007); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?7pK3tX23mkDul6AwFHEgo1ysEP8O?= =?utf-8?q?kuNUATT4Rw26KgvRSJCn1c+zvCq0RLNgpVLCoeIWVNVY+JXI2ON34XYzAR24wo8qq?= =?utf-8?q?LFNjrrPyZJiUcSXKPuER3qDDhH7RJct+jMR2wd4G+AReVL7kXNw4Xbq3xzCYStPpE?= =?utf-8?q?5fHe5eDNBDvbXtjSIJg2WHvCHK2VfMUH6PIkT/Tw9A1yX95j99C//+g95rR6jvjA/?= =?utf-8?q?NqxYzlU2bOhPjmuqI/3olpGqPv0Em14PvcxBRQMysCbPgi6Q5KSq8O1LiJ2wdMytt?= =?utf-8?q?KWyMKBzjc/c2/6RRVc7QtqCbfxeTVyCvTgVWk/d44ku2EPqEqCC42dV6PDpa3OoRj?= =?utf-8?q?9aIs5B4CjnHLFrlAcdHHvchGaovIwG6FHv8UbIvd+ptN5znehQVwr+nyqO05Dk94e?= =?utf-8?q?4KCnooUyClV6c6KaMPmUZxoJC/7KV3sBuKrQ916II9ty4VAkBxaVl1C/H1ntiZMcq?= =?utf-8?q?Sea4+GnNury0HvPY3Kuq++abzc4PsRoqjqD8w+/kvbMcy3aIyipaXk2vL6xG4TP0c?= =?utf-8?q?QsWMpg+7HVlnQm+0Y80wAsuN04Ypwk9+HMh6/XPC2n/tHakeyzqKgK9p9S9w+fW1P?= =?utf-8?q?AklnT9ltsOVnckJXk3IXirutcBHIw2M12o9qVJqWizHoD75HTPY/op0hiT2GbXqX1?= =?utf-8?q?HVIfGld3+tB5fW2+9Fj+7kHCcxTTcrMj8qIDHbMWzMdwyksoeIDh5SIkY523KGNy3?= =?utf-8?q?OjuXSbdszs1IMzcIGm5IZd9pZQgE1lzAUV9swzLH2X47hWo7Hd6dKNDp3Lg24NZEh?= =?utf-8?q?g85EgMYGCZl7KBZVZqfbcxeWLvizXseOeHCI+0f0H/JeIXqAWmEARKjcu0MeoHPT7?= =?utf-8?q?b/gXFW/lJxxtxlfGxfYeb85zp4jmjY3NHlsWX/5/Es2Ay4LApDglkg2yEgvrlRDwO?= =?utf-8?q?C3SYPk9pSxs04r2Q4cEdf9rtfnYxTvaD8rWaPGH/CoSgrlPkWNd2y7PYYb+cOuxx7?= =?utf-8?q?90gUa6lXJEu/WK9sW9LwtCq49nElA3PcIzdK9p614a9nftIE7k5GRGRijRAB5D1d1?= =?utf-8?q?9vsWsSjBacz3cRnxgwOgb4uPjaQpyiBY9iuSxXLmKbqBlLOAJ5JZy6maL8cJvx+Z/?= =?utf-8?q?NiDFA4AhLSAqdR0qQejBSyXYfm5XEo2hsRzG4CXwOGxsSAL/IoW9uWGPhSI/QFUtQ?= =?utf-8?q?SFKJzSv5EMk0wYOrPaq6zpcdxO7WlM4RQSo5zYuY5xdLw81/V8rTIqucuus0ebYRe?= =?utf-8?q?wmGSNOquFjD81qAw/8eXMgaxWyh2brEPrNT+rKkIHMksZ9LXZsVA1tpmYkelxfd1G?= =?utf-8?q?n29ELBvfIvZL8a4jAadVM9v5D0syi/YZkNm+ZtlMYOMebcG2P/qs6Lq8YRTuUBmmV?= =?utf-8?q?MCkbx+KMesS5ZZMeJsjQ1i1gxbxc0OZKcI/t3IcwBGp0+mUvFD3vpjJvPfXYqUeGc?= =?utf-8?q?+u6tVwmoa0C2hZtYr9K2Tg1nEAfG2Ku8FLqAP5M1vE5IzsNtpvlvQ24KIZfQ7sAcb?= =?utf-8?q?3+IB1/LlQZY70/9969Pok+3xKaXf5pQijRD8DvnpcusC+a7MCIh60qobfuQIB1AV0?= =?utf-8?q?6A0Wj0M8VJEH?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9195fc04-7526-4576-f174-08db8d8d000a X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2023 04:01:33.4898 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: R508bRrtVvNwVFdspoPTKOLOPDFnwShiuxJqMPiped+jd2sV2Z36uZo7RQ1aCaDHJnwlcEKT1O2xoKGoRLRXkw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR06MB3934 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is (mostly) ignored and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Cc: Uwe Kleine-König Signed-off-by: Yangtao Li --- drivers/mmc/host/sdhci-xenon.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c index 08e838400b52..25ba7aecc3be 100644 --- a/drivers/mmc/host/sdhci-xenon.c +++ b/drivers/mmc/host/sdhci-xenon.c @@ -578,7 +578,7 @@ static int xenon_probe(struct platform_device *pdev) return err; } -static int xenon_remove(struct platform_device *pdev) +static void xenon_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -595,8 +595,6 @@ static int xenon_remove(struct platform_device *pdev) clk_disable_unprepare(pltfm_host->clk); sdhci_pltfm_free(pdev); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -705,7 +703,7 @@ static struct platform_driver sdhci_xenon_driver = { .pm = &sdhci_xenon_dev_pm_ops, }, .probe = xenon_probe, - .remove = xenon_remove, + .remove_new = xenon_remove, }; module_platform_driver(sdhci_xenon_driver);