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Show a patch.
patch:
Update a patch.
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GET /api/1.0/patches/2197348/?format=api
{ "id": 2197348, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197348/?format=api", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/1.0/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 }, "msgid": "<20260217173457.18628-3-akhilrajeev@nvidia.com>", "date": "2026-02-17T17:34:51", "name": "[2/8] dt-bindings: dma: nvidia,tegra186-gpc-dma: Make reset optional", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "69c0405bf5f8e4284e4af933d47c56568d715996", "submitter": { "id": 81965, "url": "http://patchwork.ozlabs.org/api/1.0/people/81965/?format=api", "name": "Akhil R", "email": "akhilrajeev@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260217173457.18628-3-akhilrajeev@nvidia.com/mbox/", "series": [ { "id": 492464, "url": "http://patchwork.ozlabs.org/api/1.0/series/492464/?format=api", "date": "2026-02-17T17:34:49", "name": "Add GPCDMA support in Tegra264", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492464/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197348/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-tegra+bounces-12013-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=hVd+s8GL;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; 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pr=C", "From": "Akhil R <akhilrajeev@nvidia.com>", "To": "<dmaengine@vger.kernel.org>, <linux-tegra@vger.kernel.org>", "CC": "<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,\n\t<vkoul@kernel.org>, <Frank.Li@kernel.org>, <robh@kernel.org>,\n\t<krzk+dt@kernel.org>, <conor+dt@kernel.org>, <thierry.reding@gmail.com>,\n\t<jonathanh@nvidia.com>, <p.zabel@pengutronix.de>, Akhil R\n\t<akhilrajeev@nvidia.com>", "Subject": "[PATCH 2/8] dt-bindings: dma: nvidia,tegra186-gpc-dma: Make reset\n optional", "Date": "Tue, 17 Feb 2026 23:04:51 +0530", "Message-ID": "<20260217173457.18628-3-akhilrajeev@nvidia.com>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260217173457.18628-1-akhilrajeev@nvidia.com>", "References": "<20260217173457.18628-1-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": "SJ1PEPF00002315:EE_|MN0PR12MB5905:EE_", "X-MS-Office365-Filtering-Correlation-Id": "9e4865e9-26db-469b-a464-08de6e4b09f2", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|82310400026|36860700013|1800799024|7416014|376014;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "\n\tCIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(1800799024)(7416014)(376014);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\tjZlXGGFVZGet7/+qLBpOD9oA/BXePS7tUURwKgVCmtV5wkjLb0E8iPVUEQyrY1W9LwYntcssNwMvuLyNwAoog2Xtse4MoeDQYCDM9JaLTChr0PPDrMl6AgehCZ1Wom+l5a8FaGtsr3S9wKBRNnjoIyBut2FqnjH9bmgOErc+a3REPJTqBxDdGr94OHmuGILzjF+GghUpFXWXMpHAWC3QAdjkayUe4Jovw5h/I2QCLyvBihFlL/8zhAyorTCaaT6fi0PO9ExXz8FE3zq4d8L/FEEkIahXI28a0xw3mQNzQe1a0glCtDEIMep57YlSeXfjnhJV6Xl6M1+p2d1cL6/Mq3YCBR9f5T+3hI7C3HTa/qIflR076musIDcUTLs85Rm662cPXq2htPMOyLqWlqJ+JID+HZxJTR0+mRV1EZLwageeoydueXewNrRTNihKQ8AD", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "17 Feb 2026 17:36:10.1521\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 9e4865e9-26db-469b-a464-08de6e4b09f2", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tSJ1PEPF00002315.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MN0PR12MB5905" }, "content": "In Tegra264 and Tegra234, GPCDMA reset control is not exposed to Linux\nand is handled by BPMP. In Tegra234 BPMP supported a dummy reset which\njust return success on reset without doing an actual reset. This as well\nis not supported in Tegra264 BPMP. Therefore mark 'reset' and 'reset-names'\nproperty as required only for devices prior to Tegra234.\n\nSigned-off-by: Akhil R <akhilrajeev@nvidia.com>\n---\n .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 19 ++++++++++++++-----\n 1 file changed, 14 insertions(+), 5 deletions(-)", "diff": "diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml\nindex 542e9cb9f641..9457d406428f 100644\n--- a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml\n+++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml\n@@ -16,9 +16,6 @@ maintainers:\n - Rajesh Gumasta <rgumasta@nvidia.com>\n - Akhil R <akhilrajeev@nvidia.com>\n \n-allOf:\n- - $ref: dma-controller.yaml#\n-\n properties:\n compatible:\n oneOf:\n@@ -68,12 +65,24 @@ required:\n - compatible\n - reg\n - interrupts\n- - resets\n- - reset-names\n - \"#dma-cells\"\n - iommus\n - dma-channel-mask\n \n+allOf:\n+ - $ref: dma-controller.yaml#\n+ - if:\n+ properties:\n+ compatible:\n+ contains:\n+ enum:\n+ - nvidia,tegra186-gpcdma\n+ - nvidia,tegra194-gpcdma\n+ then:\n+ required:\n+ - resets\n+ - reset-names\n+\n additionalProperties: false\n \n examples:\n", "prefixes": [ "2/8" ] }