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Tue, 09 Jun 2026 07:48:56 -0700 (PDT) Received: from junjungu-PC.localdomain ([223.166.246.74]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-842820e8e6asm21143237b3a.0.2026.06.09.07.48.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2026 07:48:55 -0700 (PDT) From: Felix Gu Date: Tue, 09 Jun 2026 22:48:50 +0800 Subject: [PATCH] phy: freescale: phy-fsl-imx8qm-lvds-phy: Use synchronous PM runtime put in reset Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260609-lvds-phy-v1-1-6ad790c6d0ea@gmail.com> X-B4-Tracking: v=1; b=H4sIANEnKGoC/yXM0QpAMBTG8VfRubaaqTVeRS7YDo6EdhAt7264/ NX/+wIwekKGMgng8SCmZY7I0gTs0Mw9CnLRoKTSUstCTIdjsQ6X0LkyuSkaZbsMYr567Oj8rqr 6N+/tiHZ793DfD4YB1ZZsAAAA X-Change-ID: 20260609-lvds-phy-6328389a2cf1 To: Vinod Koul , Neil Armstrong , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Liu Ying Cc: linux-phy@lists.infradead.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, sashiko , Felix Gu X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1781016533; l=1367; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=qLlRgnDvVIOGIOwv8hJ8MxfIWNVhS2goiG/w1fmsMUw=; b=IqL5DMF0Ti3kRukr5DGbKVt8A7KSEHSGptH6E67EIOU4j0g9Yu1SDjO7QRbcHOnrcXqMeHBzU PQpAdcIsTQLCXQP6Uhk/S0u3Lyo+gHKLtuX1gKBcIq7tpfUcFXUei0V X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= The mixel_lvds_phy_reset() function pairs pm_runtime_resume_and_get() with pm_runtime_put(). The asynchronous variant queues a work item to handle the idle check and potential suspend, which can be cancelled by a subsequent pm_runtime_disable() call if probe fails after the reset. Switch to pm_runtime_put_sync() to run the idle check and suspend synchronously. Fixes: 06ff622d61d2 ("phy: freescale: Add i.MX8qm Mixel LVDS PHY support") Reported-by: sashiko Closes: https://sashiko.dev/#/patchset/20260605-lvds-v2-1-3ce7539d1104%40gmail.com Signed-off-by: Felix Gu --- drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c b/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c index ece357443521..e2a1645000ae 100644 --- a/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c +++ b/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c @@ -286,7 +286,7 @@ static int mixel_lvds_phy_reset(struct device *dev) regmap_write(priv->regmap, PHY_CTRL, CTRL_RESET_VAL); - pm_runtime_put(dev); + pm_runtime_put_sync(dev); return 0; } --- base-commit: a87737435cfa134f9cdcc696ba3080759d04cf72 change-id: 20260609-lvds-phy-6328389a2cf1 Best regards, -- Felix Gu