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Sun, 25 Oct 2026 23:46:18 -0500 From: Vijendar Mukunda To: CC: , , , , , , , , , , , , "Vijendar Mukunda" Subject: [PATCH v4 04/13] soundwire: amd: assert msg_lock is held in amd_sdw_read_ping_status() Date: Mon, 26 Oct 2026 10:13:35 +0530 Message-ID: <20261026044507.2310694-5-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261026044507.2310694-1-Vijendar.Mukunda@amd.com> References: <20261026044507.2310694-1-Vijendar.Mukunda@amd.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000C6190:EE_|CH3PR12MB8236:EE_ X-MS-Office365-Filtering-Correlation-Id: 8bd28d77-f5d5-446e-8490-08df331c15a2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|36860700016|82310400026|23010399003|11063799006|56012099006|261009223027099003|261022113327099003|261022075727099003|261021121427099003|10067099003|22082099003|18002099003; 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Add lockdep_assert_held() to document this locking requirement and catch any future callers that omit the lock. Signed-off-by: Vijendar Mukunda --- drivers/soundwire/amd_manager.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index b75d0104e28c..5e9d228d09d0 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -464,6 +464,7 @@ static u32 amd_sdw_read_ping_status(struct sdw_bus *bus) u64 response; u32 slave_stat; + lockdep_assert_held(&bus->msg_lock); if (amd_sdw_send_cmd_get_resp(amd_manager, 0, 0, &response)) { dev_err_ratelimited(amd_manager->dev, "SDW%x ping status timeout\n", amd_manager->instance); -- 2.53.0