From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B8E7CD6E79 for ; Fri, 5 Jun 2026 11:57:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=eF8yh/ZhaXDNZn8doXue2BXI/ROFqbRF9hALOIAEVU4=; b=Lmg4f6W8k7msNcY0WswPsQetkl fuleMXwo4PbEkLxzB6HzUYAI0RJu1uNeowL2lr52+vhtUUff4slz/HkXw5Ff4qDKDtgatDiCXyRPX s+/v3jkazlLYAyf4+/iHf0Sh8bxHWJn29MYHab+TlXDuaTFXVZSQ16qGTbanH1N00cvdhJw3iE1qa lwhT7jdmtyEZi9IH/ND0uncS1mgfXF8Pd77Hh7UXH178Mlcew6w41ZeduApotggv7H678UqYm/98j 78oNTGDU6DCGAuN4L1jzPbM1sFqYL2AWnnyRIe7guJMhHaMmAn1/SI9yafXTExi1n7fgL0eB7pLcp +1nvZHqA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wVTB4-00000000aFB-0LpM; Fri, 05 Jun 2026 11:57:30 +0000 Received: from mail-pl1-x631.google.com ([2607:f8b0:4864:20::631]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wVTB0-00000000aE5-2hQ5 for linux-arm-kernel@lists.infradead.org; Fri, 05 Jun 2026 11:57:28 +0000 Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-2c0c2a68d01so12613235ad.1 for ; Fri, 05 Jun 2026 04:57:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780660646; x=1781265446; darn=lists.infradead.org; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:from:to:cc:subject:date:message-id:reply-to; bh=eF8yh/ZhaXDNZn8doXue2BXI/ROFqbRF9hALOIAEVU4=; b=WAHItKJFd5/DmLzgf+iz5pmHzbNBCUDSL0xK4afI90/xq1FpPryfBnnqaM/rLamaxt pLNheWW6NOoeck/IlDjbzqnJcBLNV0eZ7ID5kgTXrUUMenNEsVNz9MOkr4t02NFSowJ+ bo6TxuJwYlulIPCGskShvGfnFVvaJyKyzm1FtpDMJLqPQbyetsltMwoC0KOgF2tqOGYL gCBqSTY4MDBZ2GzvDi1pZYBmnYxkW40lJ46WHRVj1DdEvgkeswmUsHMYpPVinVR/0IzW PdrL+6uc4LOoioHZhX3P+h1mTSTweikDf3LQtF+CUNBa9PSN6ysvmrlqPCWOJDC+o3UN oi7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780660646; x=1781265446; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=eF8yh/ZhaXDNZn8doXue2BXI/ROFqbRF9hALOIAEVU4=; b=lzfWFrXDX9CVtc+Pn07FpB48l1alkqSCoDsXN4DRhblFShJOmXWiFkyFURVY6d/zdc 4ook3N8IeoQ5j1NygERyhGenDgfkOSqQm/VfD5TRepI3F1OfpHeQ+fEXzC6FNnoZ8FSc VtYGDvhMTfhqhsPlADshRlYuG96OLscOwkHOgI/549Cnm8zm+lwVpzHIcWcJwzhk9kT2 4FSIBAWjaaxzsEJcI5oRpJLNsEhI4kWFVafh9bEDAHJYvWlpI44GOi9M2QF65ZNQdrzk ZmTtb3ix6anD0UtRMEexUxX79rrTPxbhQwKky8GeBg7lTX3v6pOvUdY5rfxGJQiJ8c84 VRdQ== X-Forwarded-Encrypted: i=1; AFNElJ93oAcm9+xaThSzxqsfmJ4XfIy/Bnmb+tUfzO2/XUEho3YCSa+8qrNnVilbh5POMC+eVy5FPXSCMIhtcs8QxdKi@lists.infradead.org X-Gm-Message-State: AOJu0YzbDxEpWOrvW2uv7hqgH9DyLXccQfdxCUdNWSarobLxwRXZMb9C 0xhUpVeG6+NkOavbEfjmWUNXkYOGEOFsJYTBj4gCWhX0pxdwMYtmZNpL X-Gm-Gg: Acq92OHvNWxXQK4guifpHGdUGWJj5rdSV6B2cAoqQORDSkvknW2ACH/gpVt812GqyW0 tbsEMWarnMiBU5ASNJTZMkOsnTLHcSdP0E+PXn4ClIbEwu/h9cUA+GEhZdzxn/kFuW1iyjI2akX Vy81sbkq9GSpeIBCp++YiGBnx3BdZQLYMODt92QzKUA4mJOVDWEoiZK299x9GRNKzyMZUHwjjht XKEE53PERK+tucLJ8i9USVboDfWB0k9OEUwQb7IYpnjRt6vF2AP/iGKbmS2x1xjPsHtv/NpD4hb e4nKUYKJTrD5bnHtheOU30B/SXN6d8WdL1HsANch3WzR9Bv/XclKHRnhU8rkaiJCqGiKHV+qpCJ 0aHCW/1n/fxT1w6ZvjHcMl34tsIyIaB2cs1jqPCmNp03kXSbH0IOSTHEHy0bY5O0bLld1cnRu6X O+RFpoQDGFdJk0WucB2rkFk2r38ILiw5ZCtpi+NcDO3XzO/z6SlDCUSgD3w3d5dj7yyA2xXVKED URT2Vhu/GPqo0J8x0C8yNRXhUAe6y/zBT3USLg= X-Received: by 2002:a17:903:2d0:b0:2c0:bcff:e18c with SMTP id d9443c01a7336-2c1e833c99dmr35270255ad.37.1780660645598; Fri, 05 Jun 2026 04:57:25 -0700 (PDT) Received: from junjungu-PC.localdomain ([223.166.246.74]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c164f6d45csm127241615ad.14.2026.06.05.04.57.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jun 2026 04:57:25 -0700 (PDT) From: Felix Gu Date: Fri, 05 Jun 2026 19:57:20 +0800 Subject: [PATCH v2] phy: freescale: phy-fsl-imx8qm-lvds-phy: Fix missing pm_runtime_disable() on probe error path MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260605-lvds-v2-1-3ce7539d1104@gmail.com> X-B4-Tracking: v=1; b=H4sIAJ+5ImoC/12Nyw6CMBBFf4XM2hqmMUVd+R+GBW2nMIaH6WCjI f13AXcuT3LuuQsIRSaBa7FApMTC07iCPhTgumZsSbFfGXSpTWnKk+qTF+VN5azBiw9Ywao+IwV +75l7/WN52Qe5edtuRscyT/Gz/yTcvL9kQoXKnglDQOuJqls7NNwf3TRAnXP+AsrHQS+qAAAA X-Change-ID: 20260604-lvds-d67cb619df17 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, Felix Gu X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1780660643; l=3323; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=1jnluH9nXmYHy1Syp5EUFcWQBdyNd19PmSpPNf0WAEY=; b=7iDgxZg0jOVAtl0CfL5XzlraW/8xEH/XzKMKF01We1Z9PtFrPxoWEZ7Gws4uWlANtj/DvKuXF kE/kdaqfFtiAU//wXVWMgQLI/oqzCJ0IIZknDig3s4ZhBATn21hx99I X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260605_045726_692959_BB7DC9DB X-CRM114-Status: GOOD ( 17.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org If mixel_lvds_phy_reset() fails in probe after pm_runtime_enable(), the function returns directly without calling pm_runtime_disable(), leaving runtime PM permanently enabled for the device. Fix this by using devm_pm_runtime_enable() so that cleanup is automatic on any probe failure or driver unbind. This also allows removing the manual err label and the .remove callback. Fixes: 06ff622d61d2 ("phy: freescale: Add i.MX8qm Mixel LVDS PHY support") Acked-by: Liu Ying Signed-off-by: Felix Gu --- Changes in v2: - Change the patch's subject prefix requested by Liu Ying. - Add Liu Ying's Acked-by. - Link to v1: https://patch.msgid.link/20260604-lvds-v1-1-b8e1ff1bdee7@gmail.com To: Vinod Koul To: Neil Armstrong To: Frank Li To: Sascha Hauer To: Pengutronix Kernel Team To: Fabio Estevam To: Liu Ying Cc: linux-phy@lists.infradead.org Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c | 24 +++++++----------------- 1 file changed, 7 insertions(+), 17 deletions(-) diff --git a/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c b/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c index ece357443521..c662f91e598c 100644 --- a/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c +++ b/drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c @@ -345,7 +345,9 @@ static int mixel_lvds_phy_probe(struct platform_device *pdev) dev_set_drvdata(dev, priv); - pm_runtime_enable(dev); + ret = devm_pm_runtime_enable(dev); + if (ret) + return ret; ret = mixel_lvds_phy_reset(dev); if (ret) { @@ -355,17 +357,15 @@ static int mixel_lvds_phy_probe(struct platform_device *pdev) for (i = 0; i < PHY_NUM; i++) { lvds_phy = devm_kzalloc(dev, sizeof(*lvds_phy), GFP_KERNEL); - if (!lvds_phy) { - ret = -ENOMEM; - goto err; - } + if (!lvds_phy) + return -ENOMEM; phy = devm_phy_create(dev, NULL, &mixel_lvds_phy_ops); if (IS_ERR(phy)) { ret = PTR_ERR(phy); dev_err(dev, "failed to create PHY for channel%d: %d\n", i, ret); - goto err; + return ret; } lvds_phy->phy = phy; @@ -379,19 +379,10 @@ static int mixel_lvds_phy_probe(struct platform_device *pdev) if (IS_ERR(phy_provider)) { ret = PTR_ERR(phy_provider); dev_err(dev, "failed to register PHY provider: %d\n", ret); - goto err; + return ret; } return 0; -err: - pm_runtime_disable(dev); - - return ret; -} - -static void mixel_lvds_phy_remove(struct platform_device *pdev) -{ - pm_runtime_disable(&pdev->dev); } static int __maybe_unused mixel_lvds_phy_runtime_suspend(struct device *dev) @@ -432,7 +423,6 @@ MODULE_DEVICE_TABLE(of, mixel_lvds_phy_of_match); static struct platform_driver mixel_lvds_phy_driver = { .probe = mixel_lvds_phy_probe, - .remove = mixel_lvds_phy_remove, .driver = { .pm = &mixel_lvds_phy_pm_ops, .name = "mixel-lvds-phy", --- base-commit: a225caacc36546a09586e3ece36c0313146e7da9 change-id: 20260604-lvds-d67cb619df17 Best regards, -- Felix Gu