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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by SA2PEPF00003AE5.mail.protection.outlook.com (10.167.248.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.223.9 via Frontend Transport; Wed, 15 Jul 2026 11:11:07 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 15 Jul 2026 04:10:51 -0700 Received: from moonraker.home (10.126.231.37) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 15 Jul 2026 04:10:50 -0700 From: Jon Hunter To: Thierry Reding CC: , Jon Hunter Subject: [PATCH] soc/tegra: pmc: Don't register sys-off handler for multi-socket devices Date: Wed, 15 Jul 2026 12:10:37 +0100 Message-ID: <20260715111037.70970-1-jonathanh@nvidia.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00003AE5:EE_|IA1PR12MB6387:EE_ X-MS-Office365-Filtering-Correlation-Id: 74c7d61c-aad1-417a-be40-08dee261c50c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|36860700016|23010399003|18002099003|11063799006|56012099006|10067099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 70wtFNmltewDjw84QwDK/tM3T+tQ096x8IRckHIryKww530P/aFbxh6Iiu3otZGhdO/Og8UJ5Bd9fw49fWZuNV3wDprVb0NtNrEJiik1Lz7Bxz2SvusZI0W7X0vVEm5hGejkztjOUdldQj2CjseLknYlr5IicVQAkNZXxvaOY6TMmRo0RzOGJoO5geYbtMNstk4Bq7DkjpT789DkY1bWvWwKtfU3l7JUiCZtwi8dLe+K4wKylAxfMDg7F30JPuPI1JU2eo+q8s/dBpIetZ+lA2TmSYNNcJ4S/98zVMQfxjZzJvinQc4g4/0ESbhuPUcyy7ye2uoyEZeQcbo//dQgV0awbpuZubwxZzivAl7SeCrlBNIBtwh+Q1j64nIwOoup4kUWJ1I2nMOWxDM3mQdVZiMjYTClvRuoJOTUwlx72xEIKu9fUcn/vgmp//F+iHG5 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jul 2026 11:11:07.7473 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 74c7d61c-aad1-417a-be40-08dee261c50c 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: SA2PEPF00003AE5.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6387 The kernel does not permit a device to register multiple sys-off handlers for non-default priority levels. Hence, for multi-socket Tegra devices, registering the sys-off handler in the Tegra PMC driver (which uses the low priority level) more than once fails. The Tegra PMC sys-off handler is supported for all current generations of the Tegra SoC, however, it is only used as a low priority handler if everything else fails. For example, on Tegra264 the EFI reboot handler is called to restart the device. Therefore, for multi-socket devices, skip the registering of the sys-off handler to because this is not critical. Signed-off-by: Jon Hunter --- drivers/soc/tegra/pmc.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index f419a5395545..41ed716d5857 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -3074,15 +3074,18 @@ static int tegra_pmc_probe(struct platform_device *pdev) } } - err = devm_register_sys_off_handler(&pdev->dev, - SYS_OFF_MODE_RESTART, - SYS_OFF_PRIO_LOW, - tegra_pmc_restart_handler, - pmc); - if (err) { - dev_err(&pdev->dev, "failed to register sys-off handler: %d\n", - err); - return err; + if (dev_to_node(&pdev->dev) == NUMA_NO_NODE) { + err = devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_LOW, + tegra_pmc_restart_handler, + pmc); + if (err) { + dev_err(&pdev->dev, + "failed to register sys-off handler: %d\n", + err); + return err; + } } /* -- 2.43.0