From patchwork Thu Jul 27 06:59:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?5p2O5oms6Z+s?= X-Patchwork-Id: 707408 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 85FFAC0015E for ; Thu, 27 Jul 2023 07:01:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232804AbjG0HBU (ORCPT ); Thu, 27 Jul 2023 03:01:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232733AbjG0HBP (ORCPT ); Thu, 27 Jul 2023 03:01:15 -0400 Received: from APC01-TYZ-obe.outbound.protection.outlook.com (mail-tyzapc01on2093.outbound.protection.outlook.com [40.107.117.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D2392688; Thu, 27 Jul 2023 00:01:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=T58UdoufVXVKb2vvVqHK2Yhp6bAcBOgJQGFg+sHs+hvTAd3IULLBzaRraAcWDOLxAznf9ZU1m12jOVoHsKhVX1o5V5D0UTUimfvPruBsQx5kBHG0Ek7XbCRbDnYVMcy/VOYsK0MZik2YFwbr7y8Tli3Wfg4qZu1X/NUfeh+8vosr7WVmZMLhFkvN5/zD7wgr3WTVJ4ok0yPYhFxKkV8yoTnM6HnnpzsD9z2+pxRXkYavA8pzYcbJs5yYd0eU9aWjl7Ye6ApOkInkZB/9+gJHJxU2xA3xQZtxB0eLWYd/48q1w63wHPWMKDfgz6RrQ//kDFmioCLrOSIIrjSyxYlJdg== 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=g/FjFXOniG69N9nJR/0wcardmXaPuoPDf1/5LYlD30c=; b=a+cfSVG0/zTs8C85pmqzClISJ/+BfmJsx/mV9LbX6Ob4olK0BZd4zmwV50oj41CoDNDGo15SoLiFzyIv01LVLIiKGqPgtnJ7PsxuAhY96nQa9bj5ZzWDr4fI8/+aRgmfBt8NQ5t3rjEHCwiAdQuJNryretr36zyXFRnrW7QZ3ndc3JyeOge1siVr6pDFSBlMhOWR3S4Smae/qeGz7dTvGz1PCwWixHK6kJX1p1f6L+SmOMwgfYtno129+sYDGhasvfpV4EjiFrglC/6nnrqTcqn1kgT0+kfJoXV7H5q5PseBEz+Hk+0D9r1nK1+gI579/TAhRZ4IHiJxCryed5Av4Q== 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=g/FjFXOniG69N9nJR/0wcardmXaPuoPDf1/5LYlD30c=; b=aEKfCZ/teHvF0Y3Ot1Tcx1v+kNS09ILtcwF5uNoQI+Ni1CLzjtoqCTGUo+adFw99ZcSPw9et3YQXbtdmRRragDzMKpe4MJwNg3MJycnCTgeIf3eV3kBhMaWgxjIkmlwG65c7OmLTjIBhr2OYB5GB9l/Q3dyiUGNg95QWNmKI0pXuzMBULdRk1uU0BU/q+KqCNELR55xqdg4prFPD5wiHnlKyrLWqMLdKvUriN87wyvp5R7mbEYKYWtMw7QWBPmfeDL/NpKnsTSUS7kUqN6Kb4LX0RE92WzTa+F8qTfNg8h4FdQW4xWZzmZMsGQHDGXidzc8dfAMtyrUL4Y5VdEc/Hw== 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 TYUPR06MB6027.apcprd06.prod.outlook.com (2603:1096:400:351::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6631.29; Thu, 27 Jul 2023 07:01:09 +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; Thu, 27 Jul 2023 07:01:09 +0000 From: Yangtao Li To: Ulf Hansson , Karol Gugala , Mateusz Holenko , Gabriel Somlo , Joel Stanley Cc: Yangtao Li , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 04/62] mmc: litex_mmc: Convert to platform remove callback returning void Date: Thu, 27 Jul 2023 14:59:53 +0800 Message-Id: <20230727070051.17778-4-frank.li@vivo.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230727070051.17778-1-frank.li@vivo.com> References: <20230727070051.17778-1-frank.li@vivo.com> X-ClientProxiedBy: SI2P153CA0017.APCP153.PROD.OUTLOOK.COM (2603:1096:4:140::10) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|TYUPR06MB6027:EE_ X-MS-Office365-Filtering-Correlation-Id: 6281c39f-3092-4a35-a6fe-08db8e6f4137 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)(366004)(136003)(346002)(39860400002)(396003)(451199021)(2906002)(1076003)(6506007)(26005)(186003)(86362001)(316002)(38350700002)(38100700002)(2616005)(83380400001)(5660300002)(66946007)(41300700001)(66556008)(66476007)(8676002)(36756003)(8936002)(52116002)(110136005)(6512007)(6666004)(4326008)(6486002)(478600001)(54906003); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?BWubmoUjeB9NFqvfK6wTrJ7d8fJx?= =?utf-8?q?Qbk/q0HORbCDz0KyagSFKjeZeKUOsKXVY5OyHeWBuC9F62ikBOxAFBAwxMLvtJSgJ?= =?utf-8?q?81ZtOLwu7wzH0HGMCjxDopV9hTWWfJsNnpr5qfH+fsZl6J3W9l1Moo7UMkAEHbnSq?= =?utf-8?q?9SzAuoLrLDVAc+CE+ktd1dstKtZkT9ZMqCNr7oIGkzGU6w+xBgv/S4VoAhRaGy5zA?= =?utf-8?q?MSpVMTbCPlY6vuPgSSpA/wopJRz/yS975z9Mvf538O0/emT+IKF/Ag3kIjHnA2jY/?= =?utf-8?q?kqK4KwO7uQXXoYFI2I94BgblmUPvTPnm0zCj9J0MSt5I7+pvkD2fA4EWDgVyzZ9Kv?= =?utf-8?q?7WFatUMXXc3dNGQEUkH/2KMlPi9Uco1udpd8tDlTndcMbHWCb4eRcL5frYi8+67ys?= =?utf-8?q?9x+BTIxLpUGLl2ciJcX5VN1zJ/gvkA9fmps/DDhJk3EA+SCZx3ne8GPnEsplDkj8Y?= =?utf-8?q?fnuwwvRMS83W/CzSlnA8r4CfBagpGL2+xXtejo3Yv9ZoC0y05NmKOJuHWPmgqilFj?= =?utf-8?q?2JCLxjZfABpwGaXWw2IPc8Mu4XGYjtE503bYENnUparkXKkQ0SIdSf7TLO1j+n/0A?= =?utf-8?q?I74ISXVUM5O96qYiRKAjB4FF/6pqiOHGI3XvMVBfr3uZ3bKz5X8ex+7jcg/GrEzAB?= =?utf-8?q?ALtiTmwU6QRG3Yu0OSha4RCZITR7nFJfI6QRuk3FTej/w4GVsDmoGe6e0dqktdWvM?= =?utf-8?q?WHA02T/ynngVux+BV+0oyylwcOVRH3NBUbveR0AnXvdasMcJhC77SG/7AdSyJxD8p?= =?utf-8?q?zNj972rw6B5d4u8urX2xLUN/pBzKiQggTzKicOlsVK8cSdcO9T/uS5zGrgzYfbZjS?= =?utf-8?q?Dl1rt67IsWBSjj++HxpRHN1vVLopaGtNKDwgISzm4aK2u/8yn+smpcy3JhoucV2jn?= =?utf-8?q?QB9yaFVjU3Eh+QysBijaficLbNrhKOhjSTdV/MSkdlXEkBqYlDJKhnKYbaGqbxxn0?= =?utf-8?q?jk/qmb/WG7XBDlD5OFutO0sr/LMRDgA2auKVVx9RlYcjh8HKPuN0SNsRTAMj3uKBW?= =?utf-8?q?hVnxZKJlsslDhRJ4QdpeCYfUZbjFWURhkeLbRsVuyp4l+L6d6b/lUzn8s1xkhb6tL?= =?utf-8?q?lAYkLxi7/C/OTSe/LHvhfSeAJCIiMmp7zQ6LNx2rJgPjZS5MC/wl7GBm4Q/N6pnYh?= =?utf-8?q?M43WnZTX2IHoPQgJ6T9mjCes94rhCmpOmvzkPt2uZqFb5DHfcqBT4rBAAGtggQR0v?= =?utf-8?q?v0hCDQwpRbEv80Bb1RGHcr2hgOUxfNYAdgNfbWl1ZTq61i2mRMVIcI4oWNwaTFZE1?= =?utf-8?q?4t5/LYx2bMAbGngNYWUkDnA6uQ+tFtN65iXnuxGCTYji72Wl6Ks0Z+iOb5AdkFTt2?= =?utf-8?q?6M6dIvq5uPYfw8QdlcxqxrWv9vCKQkO3bhiijOx1L6TnUvBM8TJcV4H1JkwGbUi6h?= =?utf-8?q?lQb807iBg92tpE7IoXF+uJdHwpDVC0UZN25nDT4ATmSNCYI/m1TKcaKRsxj0zrHQx?= =?utf-8?q?BEhIqM/xGtCskU158bYtAabVP+yMmcLYupm6mCGrwZT5uQasgWxKCwMyTTahledP7?= =?utf-8?q?Sf53i4n4VSv8?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6281c39f-3092-4a35-a6fe-08db8e6f4137 X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jul 2023 07:01:09.1289 (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: xGXpyvwRqXWH6y9cozQHNmJLuawhEOHNBe9qg7/yjgb3ufb7JYcsZRFHEetU0FYFXYcnXT2JcNr8kLlCRLWeLA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYUPR06MB6027 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/litex_mmc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/litex_mmc.c b/drivers/mmc/host/litex_mmc.c index 9af6b0902efe..4ec8072dc60b 100644 --- a/drivers/mmc/host/litex_mmc.c +++ b/drivers/mmc/host/litex_mmc.c @@ -629,12 +629,11 @@ static int litex_mmc_probe(struct platform_device *pdev) return 0; } -static int litex_mmc_remove(struct platform_device *pdev) +static void litex_mmc_remove(struct platform_device *pdev) { struct litex_mmc_host *host = platform_get_drvdata(pdev); mmc_remove_host(host->mmc); - return 0; } static const struct of_device_id litex_match[] = { @@ -645,7 +644,7 @@ MODULE_DEVICE_TABLE(of, litex_match); static struct platform_driver litex_mmc_driver = { .probe = litex_mmc_probe, - .remove = litex_mmc_remove, + .remove_new = litex_mmc_remove, .driver = { .name = "litex-mmc", .of_match_table = litex_match,