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Mon, 21 Feb 2022 07:42:06 -0800 From: Akhil R To: , , , , , , , , , , , CC: Subject: [PATCH v20 0/2] Add NVIDIA Tegra GPC-DMA driver Date: Mon, 21 Feb 2022 21:09:32 +0530 Message-ID: <20220221153934.5226-1-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9829f858-e79b-4916-84a4-08d9f550baf7 X-MS-TrafficTypeDiagnostic: BN8PR12MB3618:EE_ X-Microsoft-Antispam-PRVS: 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:12.22.5.235;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(36840700001)(46966006)(40470700004)(40460700003)(47076005)(336012)(70586007)(36860700001)(70206006)(36756003)(356005)(26005)(426003)(921005)(4744005)(81166007)(2906002)(186003)(107886003)(2616005)(508600001)(82310400004)(86362001)(1076003)(8936002)(5660300002)(4326008)(7696005)(8676002)(6666004)(110136005)(316002)(83996005)(2101003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Feb 2022 15:42:13.0889 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9829f858-e79b-4916-84a4-08d9f550baf7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.235];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT016.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR12MB3618 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for NVIDIA Tegra general purpose DMA driver for Tegra186 and Tegra194 platform. v19->v20: * Change in sg_idx updation to solve issue when sg_idx=0 in cyclic transfers * Styling and spacing changes Akhil R (2): dt-bindings: dmaengine: Add doc for tegra gpcdma dmaengine: tegra: Add tegra gpcdma driver .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 110 ++ drivers/dma/Kconfig | 11 + drivers/dma/Makefile | 1 + drivers/dma/tegra186-gpc-dma.c | 1507 +++++++++++++++++ 4 files changed, 1629 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml create mode 100644 drivers/dma/tegra186-gpc-dma.c -- 2.17.1