linux-kernel - [PATCH] phy: omap-usb2: invoke pm_runtime

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Message-ID: <1430757453-21409-1-git-send-email-kishon@ti.com>
Date:	Mon, 4 May 2015 22:07:33 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	<kishon@...com>
CC:	<gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>,
	<nsekhar@...com>, <balbi@...com>, Roger Quadros <rogerq@...com>
Subject: [PATCH] phy: omap-usb2: invoke pm_runtime_disable on error path

if devm_clk_get for wkupclk fails, there will be an unbalanced
pm_runtime_enable. Fix it here.

Reported-by: Benoit Parrot <bparrot@...com>
Cc: Roger Quadros <rogerq@...com>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/phy/phy-omap-usb2.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index 183ef43..c1a4686 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -275,6 +275,7 @@ static int omap_usb2_probe(struct platform_device *pdev)
 		phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k");
 		if (IS_ERR(phy->wkupclk)) {
 			dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n");
+			pm_runtime_disable(phy->dev);
 			return PTR_ERR(phy->wkupclk);
 		} else {
 			dev_warn(&pdev->dev,
-- 
1.7.9.5

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