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GET /api/1.0/patches/2197354/?format=api
{ "id": 2197354, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197354/?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": "<20260217173457.18628-8-akhilrajeev@nvidia.com>", "date": "2026-02-17T17:34:56", "name": "[7/8] dmaengine: tegra: Add Tegra264 support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "5400caa3609da3ed2d044298f4f1469806788c71", "submitter": { "id": 81965, "url":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/20260217173457.18628-8-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/2197354/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-tegra+bounces-12018-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=UJrRZ9Zc;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n 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<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 7/8] dmaengine: tegra: Add Tegra264 support", "Date": "Tue, 17 Feb 2026 23:04:56 +0530", "Message-ID": "<20260217173457.18628-8-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", 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"X-Forefront-Antispam-Report": "\n\tCIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(7416014)(376014)(1800799024);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\tnNJ/evB34Ben+GqicXozK4gBpPsb2rMEIcevMmj4v8me/chF4HDJ/wf8VydSp23sYtHETnxeEZ/OqDJWIqGbsuVCspMNKmxoyRsvc+FKXljRZgRTOqKhMuczCSLjhaWPAA9PA0FvuZmeRsx7Xqqu6NsxE7uZ0vTQSbcljvaVCqzk3HrN7ehllOEUg89Tvz59YuEgz7ce6Pz1t5jg5b3ijrlzfexVVrb0w3wHxMo5CE9iT+mp6+h/SgeKgtUJYXOyjkUfH5nQHnCfHFTA6hf2nfofuwZjDyN0mhl82Sq9Jw+gXqVovdynQOD1gnobSfZoC14prPDHVZhCDOBerr2FwoNHlT9co5vcpS4EvLUurbGRaNPa3b5x+Xjg6jTOuJ4QqpOungfx+4A6HTBDcf2xMjxrpMz3Pmt3nhOMmZDFJJsPC7mtJNX2rKmBIiNk/Wlc", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "17 Feb 2026 17:37:04.6286\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n d830830a-6aa7-4276-e130-08de6e4b2a83", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tBL02EPF0001A0FD.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "IA1PR12MB8310" }, "content": "Update compatible and chip data to support GPCDMA in Tegra264.\n\nSigned-off-by: Akhil R <akhilrajeev@nvidia.com>\n---\n drivers/dma/tegra186-gpc-dma.c | 32 ++++++++++++++++++++++++++++++++\n 1 file changed, 32 insertions(+)", "diff": "diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c\nindex b8ca269fa3ba..11347c9f3215 100644\n--- a/drivers/dma/tegra186-gpc-dma.c\n+++ b/drivers/dma/tegra186-gpc-dma.c\n@@ -1342,6 +1342,25 @@ static const struct tegra_dma_channel_regs tegra186_reg_offsets = {\n \t.spare = 0x40,\n };\n \n+static const struct tegra_dma_channel_regs tegra264_reg_offsets = {\n+\t.csr = 0x0,\n+\t.status = 0x4,\n+\t.csre = 0x8,\n+\t.src = 0xc,\n+\t.dst = 0x10,\n+\t.src_high = 0x14,\n+\t.dst_high = 0x18,\n+\t.mc_seq = 0x1c,\n+\t.mmio_seq = 0x20,\n+\t.wcount = 0x24,\n+\t.wxfer = 0x28,\n+\t.wstatus = 0x2c,\n+\t.err_status = 0x34,\n+\t.fixed_pattern = 0x38,\n+\t.tz = 0x3c,\n+\t.spare = 0x44,\n+};\n+\n static const struct tegra_dma_chip_data tegra186_dma_chip_data = {\n \t.nr_channels = 32,\n \t.addr_bits = 40,\n@@ -1372,6 +1391,16 @@ static const struct tegra_dma_chip_data tegra234_dma_chip_data = {\n \t.terminate = tegra_dma_pause_noerr,\n };\n \n+static const struct tegra_dma_chip_data tegra264_dma_chip_data = {\n+\t.nr_channels = 32,\n+\t.addr_bits = 48,\n+\t.channel_reg_size = SZ_64K,\n+\t.max_dma_count = SZ_1G,\n+\t.hw_support_pause = true,\n+\t.channel_regs = &tegra264_reg_offsets,\n+\t.terminate = tegra_dma_pause_noerr,\n+};\n+\n static const struct of_device_id tegra_dma_of_match[] = {\n \t{\n \t\t.compatible = \"nvidia,tegra186-gpcdma\",\n@@ -1382,6 +1411,9 @@ static const struct of_device_id tegra_dma_of_match[] = {\n \t}, {\n \t\t.compatible = \"nvidia,tegra234-gpcdma\",\n \t\t.data = &tegra234_dma_chip_data,\n+\t}, {\n+\t\t.compatible = \"nvidia,tegra264-gpcdma\",\n+\t\t.data = &tegra264_dma_chip_data,\n \t}, {\n \t},\n };\n", "prefixes": [ "7/8" ] }