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Thu, 1 Oct 2026 07:01:18 -0500 From: To: , CC: , , , , , , , Alejandro Lucero Subject: [PATCH v2 1/4] driver core: Check for supplier requiring PM at link creation Date: Thu, 1 Oct 2026 14:20:20 +0100 Message-ID: <20261001132023.17032-2-alucerop@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261001132023.17032-1-alucerop@amd.com> References: <20261001132023.17032-1-alucerop@amd.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002311:EE_|CY5PR12MB6179:EE_ X-MS-Office365-Filtering-Correlation-Id: 7e081cf6-2876-4497-6b5f-08df1fb3b530 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|23010399003|82310400026|36860700016|6133799003|11063799006|10067099003|18002099003|56012099006|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Vgjf0kFE+d1A6lYO/EahXpxWkdyR6+xXzwubGO7LYKvbvgcZjm0+gOhHfFNiKFocJPv+5JnqGxQRt2E5AALfA9Kiq/QO7GeeO4dUvf9jX4Ydz0z3VjgoE35oBmfBkiZPXASF3vZEyvtzvfwmpnmhdze/IIno8UWMmemNR/+9MCl71cBXKQt5WER6XAgLVTRIsaUZxTh/WPVJEC1qUMJXMgdOD2zob6J3pnMNr9IqF6BD0CqHlZfoKDQXb12Ie5raGIrncP3w5g+SEcCkB12R9nLoYhQyVaCVv3xTozRb9tE4R1ogJRfUxLxzYNd/v62MB+g2nCGRbmSP2zvQtE6AMA+gRYNH1un+B4olFvQXc8tsNNlRJoeLaMOIYXbLveQKVlRlHeXwFos8zBQ5pi+UpEc6DJe9kqDXKCpkQU7+vLgVRo0tCfKFvN5k9wkVBURk X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Oct 2026 12:01:20.8356 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7e081cf6-2876-4497-6b5f-08df1fb3b530 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002311.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6179 From: Alejandro Lucero PM initialization could not be necessary for some devices. Avoid checking for supplier PM initialization if so. Signed-off-by: Alejandro Lucero --- drivers/base/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/core.c b/drivers/base/core.c index 4c0c373998a1..bf0513beafad 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -840,7 +840,7 @@ struct device_link *device_link_add(struct device *consumer, * SYNC_STATE_ONLY link, we don't check for reverse dependencies * because it only affects sync_state() callbacks. */ - if (!device_pm_initialized(supplier) + if ((!device_pm_not_required(supplier) && !device_pm_initialized(supplier)) || (!(flags & DL_FLAG_SYNC_STATE_ONLY) && device_is_dependent(consumer, supplier))) { link = NULL; -- 2.34.1