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GET /api/patches/2217782/?format=api
{ "id": 2217782, "url": "http://patchwork.ozlabs.org/api/patches/2217782/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260330144456.13551-5-akhilrajeev@nvidia.com/", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/projects/21/?format=api", "name": "Linux Tegra Development", "link_name": "linux-tegra", "list_id": "linux-tegra.vger.kernel.org", "list_email": "linux-tegra@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260330144456.13551-5-akhilrajeev@nvidia.com>", "list_archive_url": null, "date": "2026-03-30T14:44:50", "name": "[v5,04/10] dmaengine: tegra: Make reset control optional", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "47cd0af4b6a4c1b8bbcc43813a962dff5dbceca4", "submitter": { "id": 81965, "url": "http://patchwork.ozlabs.org/api/people/81965/?format=api", "name": "Akhil R", "email": "akhilrajeev@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260330144456.13551-5-akhilrajeev@nvidia.com/mbox/", "series": [ { "id": 498044, "url": "http://patchwork.ozlabs.org/api/series/498044/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/list/?series=498044", "date": "2026-03-30T14:44:52", "name": "Add GPCDMA support in Tegra264", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/498044/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217782/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217782/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-tegra+bounces-13425-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-tegra@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=cZ1ub7zY;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.105.105.114; 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pr=C", "From": "Akhil R <akhilrajeev@nvidia.com>", "To": "Vinod Koul <vkoul@kernel.org>, Frank Li <Frank.Li@kernel.org>, Rob Herring\n\t<robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley\n\t<conor+dt@kernel.org>, Thierry Reding <thierry.reding@gmail.com>, \"Jonathan\n Hunter\" <jonathanh@nvidia.com>, Laxman Dewangan <ldewangan@nvidia.com>,\n\tPhilipp Zabel <p.zabel@pengutronix.de>, <dmaengine@vger.kernel.org>,\n\t<devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,\n\t<linux-kernel@vger.kernel.org>", "CC": "Akhil R <akhilrajeev@nvidia.com>, Frank Li <Frank.Li@nxp.com>", "Subject": "[PATCH v5 04/10] dmaengine: tegra: Make reset control optional", "Date": "Mon, 30 Mar 2026 20:14:50 +0530", "Message-ID": "<20260330144456.13551-5-akhilrajeev@nvidia.com>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260330144456.13551-1-akhilrajeev@nvidia.com>", "References": "<20260330144456.13551-1-akhilrajeev@nvidia.com>", "Precedence": "bulk", "X-Mailing-List": "linux-tegra@vger.kernel.org", "List-Id": "<linux-tegra.vger.kernel.org>", "List-Subscribe": "<mailto:linux-tegra+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-tegra+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "X-NVConfidentiality": "public", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-NV-OnPremToCloud": "ExternallySecured", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "SJ1PEPF0000231A:EE_|CH3PR12MB7521:EE_", "X-MS-Office365-Filtering-Correlation-Id": "8f0aaaeb-9ff0-40f3-8b8f-08de8e6b18e3", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|1800799024|82310400026|36860700016|376014|7416014|921020|56012099003|18002099003|22082099003;", "X-Microsoft-Antispam-Message-Info": "\n\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", "X-Forefront-Antispam-Report": "\n\tCIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(36860700016)(376014)(7416014)(921020)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\tl1leVh2GIca3J4WDJE0Jc7YU0ooBNeldfmIm5JygEjcdz0c1EuBTvT9WmtjMnph3NAo85h5HpMJ1ETyMNyAJj9GIz9IqrboJ0qEiyisFRIJcml29DfyGLwyhr5zmuCyGgkvfpPwxwM7JWVQLQKGWvtq0GCWfOvVltc7RghFifp0fTgJJd3pByoJe/y5H7PPwj3oj1zJj/EbaHMU3Hs1ayXnWhdK9kV5cqsVcMbqoIqtMNo8+iNjt54a3lmhyo7k907fcAYVrl3mL4IV6IzwCofLEbeGZYY36cnRZwTdlhT17MBVuDXwVHvUMNHxXJIWUmjfb079SFji9M5bRBvh9LRsxa4AV4ZC4DQEyrbmEGxdjCiBcOimWogVHttq/PyxCHdi5/9ypZN0mc3EffaKUvEazR5aLImIqCR5v3FjE51I+MCy2nq0mM4AVbljx73NO", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "30 Mar 2026 14:46:16.2049\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 8f0aaaeb-9ff0-40f3-8b8f-08de8e6b18e3", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tSJ1PEPF0000231A.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CH3PR12MB7521" }, "content": "On Tegra264, reset is not available for the driver to control as\nthis is handled by the boot firmware. Hence make the reset control\noptional and update the error message to reflect the correct error.\n\nSigned-off-by: Akhil R <akhilrajeev@nvidia.com>\nReviewed-by: Frank Li <Frank.Li@nxp.com>\n---\n drivers/dma/tegra186-gpc-dma.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c\nindex 5948fbf32c21..a0522a992ebc 100644\n--- a/drivers/dma/tegra186-gpc-dma.c\n+++ b/drivers/dma/tegra186-gpc-dma.c\n@@ -1381,10 +1381,10 @@ static int tegra_dma_probe(struct platform_device *pdev)\n \tif (IS_ERR(tdma->base_addr))\n \t\treturn PTR_ERR(tdma->base_addr);\n \n-\ttdma->rst = devm_reset_control_get_exclusive(&pdev->dev, \"gpcdma\");\n+\ttdma->rst = devm_reset_control_get_optional_exclusive(&pdev->dev, \"gpcdma\");\n \tif (IS_ERR(tdma->rst)) {\n \t\treturn dev_err_probe(&pdev->dev, PTR_ERR(tdma->rst),\n-\t\t\t \"Missing controller reset\\n\");\n+\t\t\t \"Failed to get controller reset\\n\");\n \t}\n \treset_control_reset(tdma->rst);\n \n", "prefixes": [ "v5", "04/10" ] }