From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazon11011031.outbound.protection.outlook.com [52.101.70.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5FFF92C08B2; Fri, 10 Oct 2025 18:50:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.70.31 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760122253; cv=fail; b=Nkc20CRgGiF8OFvq4NHOwt2VyLvtISv0CaOduLqi1OlJ+ZX3QsQ5yVRVQTVApA7Gwz3MsK41g6zXVHehgowlPyw6SfDVjWdRUQjTBQckdKKOOmZIu8ZkeoAbw05iYeGyXhbmwTxDLrL14vpJfiVbDZ3lVMc6YS8yN85ch0g5VYA= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760122253; c=relaxed/simple; bh=jHKZf/LioT/nyxRAtWAnyzLs4MmcloX9JtdBH6fKM7A=; h=From:Date:Subject:Content-Type:Message-Id:References:In-Reply-To: To:Cc:MIME-Version; b=lOlJ+2CoRIFlnQ1kKy8pe1kbFyTFTxChd1ATIPtYHlGHliUHn5/6ZV7kRjXA6h9bStyV7UUaFDFW0vPkafz21JRj0OdmITGxRKPhyEkncNSZC3+eWkBE1M+ir4dm08LMLGO690RinlMvrS0wNFC522X5AvwVtnNJxknSEl5UCXE= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=BPn9bUGZ; arc=fail smtp.client-ip=52.101.70.31 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="BPn9bUGZ" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=x88AmmQlzdKQlNGc/FrCr4qMT+UxyTqpaxH2LEQJm2wNJvnn3sPbprlwHTXtuHQ+I1bUor9LrLvfP8heQ2z+3guDWnTvPp8HOhBBZaIrW2/EN4ALJmz0F7ZaI6FG9V3Qqg65m0NORY87uDN+22pcGeGqzzZyj5Iel9LSgKYb7u9N7x4PHcba28K5y6TyeDr6jOL2RmjAGpoO6EGLKcY6Y+yQPPx+i/tpfj1S6eaOVHfWvgNRD7ICRcKKZS1fn4KLvWTc2fUXHl4Q0iYs03V5gV1v2iCz0xCPL4nG72MJU/CdOLlUZgGrISkoeKPzAy2FbRKDpNgHCo1YRAzWX+x2rw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=L//tn9aZoNYnstekhgLIPM37LwcqzVJgZYutnTif93E=; b=bCEHn8BRnpQgdhkxzIO5gC9CjmNTqd7pKv4GJXgRBXVGtZvtYimpROiZHaQI3iaQA/E+gsSGEqaSne3sRZ3z80nlEQMrPOs1jBzfItgr3vr4a2fHq+Zzq7qCMLo6WIAKFBKdJ1EuCT4LHbvoo3callW9HGkQdkBhKXMToesuvbMmEW7Sx31zV9RkggePQquYE4XX3KG9aYqO7yInuy5VBZwfz7gomXjDyGUCR6HxUw+QVOfB018KH/x8OL76lrnYXgQJ+8CVEs8Q2+4JagA5CyKqi9R9srLbL0YVflEVddbNibP7VIapcTufC86b+WdyE1dQ7d7pOwrK8BTsHx4mPQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=L//tn9aZoNYnstekhgLIPM37LwcqzVJgZYutnTif93E=; b=BPn9bUGZm+uWf/cT00hTr+VpGp7//V5qnUq2uo5mZz/77m3L+Xsj+88UV5FHPZTgdCVNxNj1TYjvYEkAJzMH1odxtXAAV4ladm+d8MKWZdkrGivxRHlf0MO56xhjFpYoMfbGYvgJCdatVvxdi0IH2ifxu5fj+DIX+PsT4xrLuITTFry42AtsGE+tCd/t1t+S3FyUcbiL553KECDqnBxtNdFAHeJG09ulJ+bJJgw6TnEktHC5UouAtkQAsy3SjPJUzaqsHbhSUW5SgaZWkhd9aYeS5mf/kv4xvLTj+Cr8tFcPhT0NrqaYObUELtgIny2/apk6dplf5UDAxSSmcnCpkw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PAXSPRMB0053.eurprd04.prod.outlook.com (2603:10a6:102:23f::21) by DU0PR04MB9659.eurprd04.prod.outlook.com (2603:10a6:10:320::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9203.10; Fri, 10 Oct 2025 18:50:46 +0000 Received: from PAXSPRMB0053.eurprd04.prod.outlook.com ([fe80::504f:2a06:4579:5f15]) by PAXSPRMB0053.eurprd04.prod.outlook.com ([fe80::504f:2a06:4579:5f15%6]) with mapi id 15.20.9203.007; Fri, 10 Oct 2025 18:50:46 +0000 From: Frank Li Date: Fri, 10 Oct 2025 14:50:25 -0400 Subject: [PATCH 2/3] dma-mapping: Add auto cleanup support dma_map_single() Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251010-dmamap_cleanup-v1-2-ec5bc14e82c4@nxp.com> References: <20251010-dmamap_cleanup-v1-0-ec5bc14e82c4@nxp.com> In-Reply-To: <20251010-dmamap_cleanup-v1-0-ec5bc14e82c4@nxp.com> To: Marek Szyprowski , Robin Murphy , Dong Aisheng , Andi Shyti , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-i2c@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Frank Li X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1760122235; l=1171; i=Frank.Li@nxp.com; s=20240130; h=from:subject:message-id; bh=jHKZf/LioT/nyxRAtWAnyzLs4MmcloX9JtdBH6fKM7A=; b=xaFnQaPFegj4Ww11tzbSWoDGInUmAPBoFg5ORTvizH6Nwidg24iXjrCx+/KembJOCLm63RxIY nrC3PdRUTSCC7oBZReL4Yh+zMIk9HDGc8DREIDYfju/dE/yqdhoosr9 X-Developer-Key: i=Frank.Li@nxp.com; a=ed25519; pk=I0L1sDUfPxpAkRvPKy7MdauTuSENRq+DnA+G4qcS94Q= X-ClientProxiedBy: SJ0PR03CA0212.namprd03.prod.outlook.com (2603:10b6:a03:39f::7) To PAXSPRMB0053.eurprd04.prod.outlook.com (2603:10a6:102:23f::21) Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXSPRMB0053:EE_|DU0PR04MB9659:EE_ X-MS-Office365-Filtering-Correlation-Id: 92d90574-8602-4a91-d206-08de082dec2a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|366016|52116014|19092799006|38350700014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?bWh2Tlc0WlMyMm9mV0pnMGFTckJsUklVTjY2ckw2RFh5L29GUjloMEtReDJV?= =?utf-8?B?ZjNYNUJYM2pDU04rSjFuTXkvb2FTK0RTUElwamdtVHlKWTA4YythejJieVdl?= =?utf-8?B?SDZTdFgvSXowQ3FJOVJ5aE1jd2JQVGJLT3kwNVpyaXZYV1dZdG82QUFtKzgr?= =?utf-8?B?ZmNoVVNRbWpBanVXWmp2SC95eTlFVzVFdHkxdWVSTUh0dUlKSHpuMksvOVFl?= =?utf-8?B?WU5VMTdPQkpqeVlVSy9KbGI4N1h4OGJEUDBSSVNBbW45ZFkya3hMRmFvRHNk?= =?utf-8?B?RlZ1c1NnVUNSQU11UTlIazM3anZDMDlqQXVSQnN2cE0wNnZlUTlPZDYveEp4?= =?utf-8?B?WisrM1BLLzdnWXhXTW1GT0NMZ0JTMUFkbkNLVzcxNStUQS9IQ3BjbGJ0aGE0?= =?utf-8?B?eTVjaWZnKzZMZExlSHpxT3NBWnRXNnNPQy9nSzZkUUhwZDVZK3BMbUc0N3hW?= =?utf-8?B?MEtwY1JvNVdyNzJhQmY0c1FNUm5SakxOT2o1U0U3K3NRUTNGR2xlQmFXaUFG?= =?utf-8?B?b0hoNFFHZ01YWXRuMTUyMHB4VHBBUHJSZCt0M2NROGlRSXExK1UycFVJaWZD?= =?utf-8?B?LzBHMmJnM0s1dEY3M0lIQ2dyWWZxd2h1OE9lRXR6Z2hNM1ppRU9USWV2cjFN?= =?utf-8?B?TFg4Yi9KUUhLVExRVVFhVktBaEdMRG9sc3RGUmVtTzV2WTl4bG5tMTFpZlF6?= =?utf-8?B?NjROTDRMMGowVDFKZTFPRjJ0YkZoeG9aS0hTaFBpSkpibEcyQTluaTRFZ1N0?= =?utf-8?B?WU9tcVFhdExSb3BTTWptWFo5Q3k1REx1d2IzQmoza21Ybkx3TUdFa3NSbDVY?= =?utf-8?B?cjF5Qnk5Q1RBaVVwVmswZkRIOEt1ekY2ZlRuM2hQbU1KalBFenZ1bFFRK3I1?= =?utf-8?B?Q0U3dXFCRlppVUVJb0RkaVZQd1FySTRsbHo2RkcrWDdaR3g5WU8vQ3ZHZjFn?= =?utf-8?B?Znhyb0xoaGE0WGJBSUIwR3ozQStGUkxyM1YyM2RqK0RGeGwzSXNiS0J3eHNs?= =?utf-8?B?UHE5M0ZDaXkwMVRva0JiMHc5OTJTc2p6MUFNVnNSRnhSdEJjVFFhUndJUGdW?= =?utf-8?B?SzB4VGxqWTVtajlOcm1XVWFlNy93dVVWY3RrT2p4MW0rSTkyUis3UVl3L1VI?= =?utf-8?B?ZW82STdGWnYyQWRqbEdVdlVpaWhlS1ZMY0tzT0djYWFheEFRalZSbnNaOFN3?= =?utf-8?B?dnEzQWtMeE9YQ1JDNC90R3lLcW9YazMyTzhXdmdHQytCWmZXbkM1YmhYNDZs?= =?utf-8?B?NXpkY1ZZTE1xWEtKODlFVXFCczJFMXZYN3hha1BHaDVPK2tGK0NkWG51d3RB?= =?utf-8?B?c0YvSlozMjZJam1UVDBzYkdHVGJyRXczdFl6WGxncldnR21tQ2NvZUs3aGVh?= =?utf-8?B?Rm5Sd3VHTkREY213TURRcVRhdEM3am9zZlpKemNxV1BJd2tTN3ZsM0hQVEVz?= =?utf-8?B?VjFlN1U1d29hWE4yNVhBYlhWZTcwZU95OUVSSUlpQ2NVSzVvMVlHQzAyZ2pr?= =?utf-8?B?UDRSQ2kvdG51cDEvOEprMjlGZnArSUtMNzhPQ1IzWWFUS2krNFpYRlZvWGp6?= =?utf-8?B?RDVVcCtSMU5ma29DeUs1RjNrZXpka3hxdlRyS2JVNkRSWStyb2lKdHBmcjUv?= =?utf-8?B?MnFzT0VXZGR4dXp2QW1rMFlLWUYwN000MzRsaEt4bktoc1lCWWJYdDhmQnp6?= =?utf-8?B?QitISmpCQmpteVNBQ0EyUUhENkxPV1E2S2hLa3IyVndwNFJJZDRlaUZDbUZQ?= =?utf-8?B?dndzWVpnallVS1hlYUFwWUJ3QnUxZkFzTWIxd2JGTGFiTEZzbHlvazNEd2R1?= =?utf-8?B?eHJlTVNRNFNVZVJIMUlhM3RwUWhaOWhkMnAwTVdkbkkzRWtRSHNvV0hQSi9m?= =?utf-8?B?RVQ4VlhMa1JRY0NKck9kSHFNbGhWRG9IYzlTN0NVcFNWUUwxdGlGbHJ4VjJn?= =?utf-8?B?ekN2MGU5L3l1cW9Fam1meDB4ZzdVc0d3MWQrejdoUldoYXhwM0tXaHhGelE5?= =?utf-8?B?V0hicVFLZ1lmcDdIenlYUU84QjJ3eDRQZHN3aWhEcEU3dGlLR2ZiRW9rYnpX?= =?utf-8?Q?Wp5Fbe?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PAXSPRMB0053.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(7416014)(366016)(52116014)(19092799006)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?c0QrZFZOOEhOT0xDTzB1MndrYVJkbk50NGJNZkZpSzVJbWNmYmFvRmNFUzFh?= =?utf-8?B?RGJMMTl6c1VEUkxlelpVajNVK25uNmZPUGV0WWlkaU9IQkVyN1YyOGJFQ2tt?= =?utf-8?B?c2xtT1VweXpiNjRaemFWWnY1cStGRzlIVjF1dWNNeXhDdDN2ZnU0a3VqckFw?= =?utf-8?B?a3YzUTg5citsNVJjb3J5QTY2cHdZaXh5NEF4cDZTNERrSlBqbnQ1WnMvek5K?= =?utf-8?B?a1czUWtUQ2ZMamdvZS94UldaSXcybFdrZEQ1ZzhYWnhuQk5jOGI4eGN3a0pF?= =?utf-8?B?K0N0M0xPcy81OHJSM0FIdGNVTnk1ZXBaandOZXlQUlF6ZlI3MkFwV1FkYkIx?= =?utf-8?B?T0F1WjFUblpENTkxYk5VNDMvNG1vNFRWayt0OGJsaWtsRGdRaVJmdUk3aVJi?= =?utf-8?B?Nm5XMTRZaFE3V3dlN1NsNHdpZ0pyMFZYNzA0UmJCVDdhcmh0cWVPaEFyRDl2?= =?utf-8?B?cjg5TXhIaEs4OUdtM1k1VTBxL1YrK2h0WEhMTTJNdmNrQktsb2lJeFFjcVZ6?= =?utf-8?B?YWsrR2VhZHp1cDc5M0JJV3NxVXhKZ1E4cUN1bnhOQnpPTkJvN1dGenRzWEpI?= =?utf-8?B?dWh1YWNpd3c2QzF4QUxtT2xRdGUzVXRqYmQzV0FiYUlZbHhsNkJ4aW1JNEtT?= =?utf-8?B?cWQyZU1LTzZGMmU4QThwTVRPbG1uZFRCYkNsRnc3eFJNd2IrWUxKOFk0bnBi?= =?utf-8?B?d0FvV0JFK1NmKzJ4bExxd1lCakRCM3RHRkF2Q0FmK2wrNVpBZUUvWXVGR3di?= =?utf-8?B?MTVaNkIvWXZwM0JxUzFPUG9tMkQ2ejBXWVRZdXJyUUVhdGFOWG4ydGx5Zm52?= =?utf-8?B?L25ucEFjV1gzTFlHUXI2My9ET1lrR3l0Q2FIVHNOaGNNK213NE9sOUxjbG93?= =?utf-8?B?cGlGZVFpODFQQ2dGZ3daTm1aU1UvbHVkWUp6RmRSTnhzUEVVVzM5NTdRQ3Jq?= =?utf-8?B?TmNQWVZyeUlxRGlrNkJKOFRiM2wrNFc2WE1oZ25mRFc0YTFrOTdFRXNsWC83?= =?utf-8?B?MEQxVVRJbmhubEhUWnF3MmFySzdTd2pta1JlM1ZLeHNXTTNmZEdPUkNyQkhi?= =?utf-8?B?UmgwSVp4QktobzdtamErdVVJTU1ZT1N1WXJUS1ZzKzl1cStibFI3c3BFbFUv?= =?utf-8?B?YTlOdHFZR1gva3R4YnVodXQ4TXI2T1h5R3k3cXc5YXIyTjZpTmpTRWVKVytD?= =?utf-8?B?dXJKRlozUE1KY0hRZ3RBNXRDd3E5Z0NWYVpRcXR6bFVRd2htWWhYSGVEa0Rp?= =?utf-8?B?RFpSSW9XcVFJenJ0by93SjY3L2Z6V0djWTFUblNDeW0vM1hHdjVySlVmWGp6?= =?utf-8?B?WTg1TDI5NnFzY29IY214MXlsY0l5dDRzZFpBVUh4emtsMzlpdnplTUlaeSs3?= =?utf-8?B?WGxDc0p0TkU3Z2haZFFwOXEzbWtMQlQ4UUhyMitadTJXWllFMmJ2Y2FLNlFE?= =?utf-8?B?cmpMNXVNUG5BL0lmY0ZYUndvM0dlRjQ0R2NSdE1qWHkyczhueDZGelh5bkFD?= =?utf-8?B?cERzVmNSV1pJOVljWEYvNWNLSXZTQUdxT1loNUgwQWlMc3NLZmdpTlowMkVv?= =?utf-8?B?aVAxR01SMS9sYUJsMjV5emRibzg0VEV0eGF4K2IxSW9zUGRTMXMzUGFqSG5B?= =?utf-8?B?dW9hWWNsMnBxYThmaFVzR1crSHQveEFnaEY3U2ljZG15d0JhTjBROG1HVm1P?= =?utf-8?B?ODloOUNLMW41SHNIb21pcE9FeDJzK1JFeWFVaUJHcTVidlhvNTVpTXp3YkYr?= =?utf-8?B?bzhrbWdGL2FLOHQwOE1EL05vWm8zTkFWSjNhaHdUQ290U2trMXBrODlTeml5?= =?utf-8?B?SFByVWVRY2RWaERxbUtkVHBRUHIxZklmMEk5MGl6M0V3eVZESUxwUWdxK3h1?= =?utf-8?B?YmV6RG83ZExxQVY1RlpneUY5TVhsTmhmWURPUnlxQUtoZkRWaUdKeWpaZFFG?= =?utf-8?B?TWl2V3NoTkpvbGFhU2ZvMklIeUo4K1BRTEtVbkRJdndWUmoycVNmWGd3SURh?= =?utf-8?B?UStIYnVHYVR0U3JYUXhRSjZyQUVieWhMR1RkTUJlYk80cUd3ZlpSdUo2Sy9k?= =?utf-8?B?K0s3NHZ2WFE0cW1sVCtGMEY1SUR6Y1pJUkNwZ3h3UVVESytwcVp2THM0Y3dR?= =?utf-8?Q?cI19rX+FsRHoBQ4+oagT73vpx?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 92d90574-8602-4a91-d206-08de082dec2a X-MS-Exchange-CrossTenant-AuthSource: PAXSPRMB0053.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Oct 2025 18:50:46.3225 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9PVU/uxYJqxI0YRBSbWUDQDAFxpER8prTvBpiJjum4YwEzcCA6UtFHwGBtVYhduRAe0nFt7EphoptstWaAKjFQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR04MB9659 Add auto cleanup support for dma_map_single(). fun() { CLASS(dma_map_single, dma)(dev, ...); ... if (error) return -EIO; // dma_unmap_single() will be auto-called } Signed-off-by: Frank Li --- include/linux/dma-mapping.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 8248ff9363eed2ae5dc18e9eedb711b299201bea..89fc80e7cd85ba5a4068c61f58f3a578ab0a7a01 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -757,4 +757,12 @@ static inline int dma_mmap_wc(struct device *dev, do { typeof(PTR) __p __maybe_unused = PTR; } while (0) #endif +DEFINE_GUARD_ARGS_CLASS(dma_map_single, dma_addr_t, + dma_mapping_error(_T.args.dev, _T.ret), + dma_unmap_single(_T->args.dev, _T->ret, _T->args.size, _T->args.dir), + dma_map_single, + (struct device *dev; void *ptr; size_t size; enum dma_data_direction dir), + (struct device *dev, void *ptr, size_t size, enum dma_data_direction dir), + (dev, ptr, size, dir)) + #endif /* _LINUX_DMA_MAPPING_H */ -- 2.34.1