From patchwork Wed Jul 26 04:00:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 706826 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 3DF92C001DC for ; Wed, 26 Jul 2023 04:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231862AbjGZEKh (ORCPT ); Wed, 26 Jul 2023 00:10:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231535AbjGZEJu (ORCPT ); Wed, 26 Jul 2023 00:09:50 -0400 Received: from APC01-SG2-obe.outbound.protection.outlook.com (mail-sgaapc01on20705.outbound.protection.outlook.com [IPv6:2a01:111:f400:feab::705]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4DCB10FD; Tue, 25 Jul 2023 21:05:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XtEYlxloX5axZx4BeX3VCE5WQeJC5Ipybp16FlmIw/MbiL2c1Oo5VzTgZ8j+tjTNzawxBF7CM6xhlF9eIZVvK17cgma70H11M1kAC/swl2HtFnjZO88tThQJ61Eq9H0cfaVCnS1Jg04mIscNxfAF2YMAhpSrl/gv5+rezZEL5V332xz/P2KZB/7XEXKHoJFfx8ulqU6dB/ym1M9jdVDW6tkK8ruj3ZiBnd8GwdnH47RFAdlPFIA48GyotAtT5OnW5hqdpnVqFfpF7H3fQJ1o/NmHnxQ3A/j5isUtOzLBCbkLhsfeUlUAGr/s3wltnrRIuLaCohmvLoJMbFXZudWX7g== 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=Wphu4Q5Iae50th4Q/VjZF6H8HkQGUHhGQ950+qm5eQs=; b=Nr64vaYahLzjogNYX5NJOebtpnoP/kQjoeuZ3cP5XpCM5hao7rXF8RxyewqHwvWPl+oW3CUfiItUNgRwdF9iB3aUi+E/1byo2jCJRPoyFto8zcskY+W7g4VKyGIBr9vaOEO9jCFb1806+ZoukHEJqH0eYAfmdqcFF0CP3rHPMl1FGpTXyy4YKHcrUVzrwLqQbKyPIpRt0PIPbJ5rWfAC8XiuAQeg5an781W71N4jQTr23Nnu0gEsziTxPmjw2onArqU9V+Y+Qp1e4LtU+0pYnO4SnQqm+/hdWNVC7gwTdTbUW97dAwCj/KwdDbgrHIxnSJcj7nGIj//RKg7EgtL0BQ== 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=Wphu4Q5Iae50th4Q/VjZF6H8HkQGUHhGQ950+qm5eQs=; b=htPkndb4I7o2fT/YTB77qbP6kGRXk6m33JaTBiA6itx7BD//IW5kuxRISiNArkZibAhkgq+FJhMc3h7UqBZby1g6oIfgq9PpuPT+TBFKQBh7Gr9ho8L7RP9H705TJRadN/3jrKliQPLQS7ZNx+Ee9nVosnQKTuYDrFmKaXMTxH3A57QvkTjXZxaNuNqHM9k47G4xhLpCadg9NxHHwjS7sA8eb7PEMBg9KE1P7ga6RC26IEFF8diAxNQd6qDusvyWtSEu8IUrkE+M0+e8DMoT9Krpjp+alD0BjN423qNvvZYZhWKFTShTLy++MBWEko0jbaY36xvpmAbpezGQqDJa+w== 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 SI2PR06MB5139.apcprd06.prod.outlook.com (2603:1096:4:1ae::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6631.29; Wed, 26 Jul 2023 04:02:34 +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 04:02:34 +0000 From: Yangtao Li To: Nicolas Pitre , 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 53/61] mmc: mvsdio: Convert to platform remove callback returning void Date: Wed, 26 Jul 2023 12:00:33 +0800 Message-Id: <20230726040041.26267-53-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_|SI2PR06MB5139:EE_ X-MS-Office365-Filtering-Correlation-Id: 9048407d-38c0-4672-b455-08db8d8d221a 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)(396003)(39860400002)(346002)(366004)(376002)(136003)(451199021)(110136005)(54906003)(38350700002)(6512007)(38100700002)(52116002)(6486002)(478600001)(41300700001)(5660300002)(2616005)(8936002)(8676002)(66556008)(4326008)(66476007)(66946007)(316002)(186003)(83380400001)(6506007)(26005)(1076003)(86362001)(2906002)(36756003); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?3QuqZSzt+o1CQeF5hUVSZCe4QC7d?= =?utf-8?q?bUsQcI8zN58KS+bOFR054sY+JEz+mJIFxZ7jJh9VzOpDNlejt4Ilyc4gig7bPOLta?= =?utf-8?q?Zk4+HuRXU6aJIjAB3POeN/e5RhitWib/y9MzD+xvMYwadQwr5pp5uWwEBuzlZpTJ5?= =?utf-8?q?EEebgmITQxHxl9+MYf0auCLmJuwAbWoEtiy4nb5c18XPEKlRPKDhXyTOKgQvKKJef?= =?utf-8?q?+66v9qv/fZRyOAV4xFtA4yqko4amDw/Ne2Xf1EnSk0mQO2JH70qNnySNaY9KMHTcb?= =?utf-8?q?po/2XVA/WKv5TcOnEf2xRuDMEa/OEiQ5VqHht+0bUWAGp6XU32WxPVGMZ0CJeTLH9?= =?utf-8?q?CUbEpbzBKOmMIMbmYm08tk6yWuABxGL5L8b9crx7XAezbpX3FgLzldpr9D5omsmQh?= =?utf-8?q?xwsuaMI/E7NhLwGfWLVPe3jnvO8WMeGr8VdfVTOZmc5i2ywz6Td41EmPjoizQuwn3?= =?utf-8?q?vRquh/06sNAz7IhrMkWS6hEyx2WXJxLOoITmmLMN/8Eos/jsriUPWS+CW1el5i9Q9?= =?utf-8?q?UH1f+Xr7Q1lJ89EsCB75E9v/4ayXbfoEZIXDuFGTmSQ/Iz3BpLTnFipvnBcJJRNSN?= =?utf-8?q?6dwEiEsT80MGmWIUQSsBFje92uw0M/Ptq2BDspz3DuHxbgCYK1kM8OIZf+2Ywlzn4?= =?utf-8?q?jOeOFkOUM5itueMh69KRgvwHPCQsUcpfDVhIyy89NGEQKv+ba+XyaWt4+TMEJF8B6?= =?utf-8?q?hjoDlqY3J6Y2F+jzXg1W0bGdF8b74Rlz9wGeYJCupZJAHHRMjeZxZ/68oHEQ+y7QQ?= =?utf-8?q?kn7L9BcKtK7aAmnlkb0lGAnWEKjGmFq9EniI7LuVdIjIuzJJQhryQCkEEwIQ+JIFr?= =?utf-8?q?vKTMXVAV3HKLvGeHQOAwSDD9DFwg6QeP3Nm4AqoPjbSSAZP6diV9vIQF7e6qS+7ZA?= =?utf-8?q?9TkuEMuw5dCkXV8yAI5oDJniIK3kkdxR6Qhod4qWYaVpzDWSgOd6la3hPCyOxqB6u?= =?utf-8?q?cv8kkuaIEgztB4ED4ofIe0hjs6d5w+r2ZUFCtiY3IHUBwcWLxGD/qugCyaTL5+Pj8?= =?utf-8?q?7V4nRcLn0gkk1dbRQb6K7IRMoKTDiRXjDhcD+bMdohLkRvTjPidWuvgtSBG8o9O2Q?= =?utf-8?q?2AOnhf9wK4D6PdPmOT3SmztIBdff4GRygLxNTygLpSBoUSQVTGZwwagELNNLOM4kS?= =?utf-8?q?IBodILM8bCssM80fv0wv1UYMNDQhNuwNzugtr23qN44s4jydLHzFvOVpIgzNrIMbR?= =?utf-8?q?dVzdLzE0zkAYpGipqPqyUf8HC475n2oT0zFhzcw2JVBgHLasiXaCn5o/6IGc/115W?= =?utf-8?q?2y0YirccoxFndf+pcZWr3IBhwD9T7IAtd7EWRkFxsFQyyWjuKm9Nuyia8sWkmJwPL?= =?utf-8?q?7+CJPGG2DZx0D6tfcVH+UQW7jGbvGnDMhlke4LRrOkezUCShB2vFmEBKH6fnWQL9i?= =?utf-8?q?pa8p4tSBGW9G+REQrV8/5Klqufdy1AjBV9KlDJWSCwuRzwIKrhusvfRmqXJNIitp2?= =?utf-8?q?1ooUEONrdXDRCaXm3xlyvGndxmRaptz/UM2ILlj5XABIKk9d29CgdWg+PsiieYnZX?= =?utf-8?q?16rhHRYK1+Hs?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9048407d-38c0-4672-b455-08db8d8d221a X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2023 04:02:30.6317 (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: 15KPZ/xfyuXs1zJFJ1sTNqY02xX5JwDpN12Wf4Ji0njwk62BHHZK6FtO4yN3cF0gXYLPfc/OP3s+axp8L9BDcg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SI2PR06MB5139 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/mvsdio.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index b4f6a0a2fcb5..ca01b7d204ba 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -796,7 +796,7 @@ static int mvsd_probe(struct platform_device *pdev) return ret; } -static int mvsd_remove(struct platform_device *pdev) +static void mvsd_remove(struct platform_device *pdev) { struct mmc_host *mmc = platform_get_drvdata(pdev); @@ -809,8 +809,6 @@ static int mvsd_remove(struct platform_device *pdev) if (!IS_ERR(host->clk)) clk_disable_unprepare(host->clk); mmc_free_host(mmc); - - return 0; } static const struct of_device_id mvsdio_dt_ids[] = { @@ -821,7 +819,7 @@ MODULE_DEVICE_TABLE(of, mvsdio_dt_ids); static struct platform_driver mvsd_driver = { .probe = mvsd_probe, - .remove = mvsd_remove, + .remove_new = mvsd_remove, .driver = { .name = DRIVER_NAME, .probe_type = PROBE_PREFER_ASYNCHRONOUS,