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Mon, 3 Jul 2023 04:36:21 -0700 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.37; Mon, 3 Jul 2023 04:36:20 -0700 Received: from moonraker.home (10.127.8.14) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server id 15.2.986.37 via Frontend Transport; Mon, 3 Jul 2023 04:36:19 -0700 From: Jon Hunter To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding CC: , , Jon Hunter Subject: [PATCH] arm64: tegra: Fix HSUART for Jetson AGX Orin Date: Mon, 3 Jul 2023 12:36:17 +0100 Message-ID: <20230703113617.75311-1-jonathanh@nvidia.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-NVConfidentiality: public X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT042:EE_|BL1PR12MB5946:EE_ X-MS-Office365-Filtering-Correlation-Id: 4bf54ec6-3d13-46b6-91fe-08db7bb9c448 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jul 2023 11:36:39.4219 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4bf54ec6-3d13-46b6-91fe-08db7bb9c448 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT042.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5946 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org After commit 71de0a054d0e ("arm64: tegra: Drop serial clock-names and reset-names") was applied, the HSUART failed to probe and the following error is seen: serial-tegra 3100000.serial: Couldn't get the reset serial-tegra: probe of 3100000.serial failed with error -2 Commit 71de0a054d0e ("arm64: tegra: Drop serial clock-names and reset-names") is correct because the "reset-names" property is not needed for 8250 UARTs. However, the "reset-names" is required for the HSUART and should have been populated as part of commit ff578db7b693 ("arm64: tegra: Enable UART instance on 40-pin header") that enabled the HSUART for Jetson AGX Orin. Fix this by populating the "reset-names" property for the HSUART on Jetson AGX Orin. Fixes: ff578db7b693 ("arm64: tegra: Enable UART instance on 40-pin header") Signed-off-by: Jon Hunter --- arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts index cd13cf2381dd..513cc2cd0b66 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts @@ -2010,6 +2010,7 @@ interrupt-controller@2a40000 { serial@3100000 { compatible = "nvidia,tegra194-hsuart"; + reset-names = "serial"; status = "okay"; };