Commit 22921a9e authored by Shuah Khan's avatar Shuah Khan Committed by Greg Kroah-Hartman
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usb: dwc3: exynos fix axius clock error path to do cleanup 



commit 8ae584d1 upstream.

Axius clock error path returns without disabling clock and suspend clock.
Fix it to disable them before returning error.

Reviewed-by: default avatarJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: default avatarShuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f0ee203c

drivers/usb/dwc3/dwc3-exynos.c

+3 −1
Original line number Diff line number Diff line
@@ -148,7 +148,8 @@ static int dwc3_exynos_probe(struct platform_device *pdev) 
		exynos->axius_clk = devm_clk_get(dev, "usbdrd30_axius_clk");

		if (IS_ERR(exynos->axius_clk)) {

			dev_err(dev, "no AXI UpScaler clk specified\n");

			return -ENODEV;

			ret = -ENODEV;

			goto axius_clk_err;

		}

		clk_prepare_enable(exynos->axius_clk);

	} else {
@@ -206,6 +207,7 @@ err3: 
	regulator_disable(exynos->vdd33);

err2:

	clk_disable_unprepare(exynos->axius_clk);

axius_clk_err:

	clk_disable_unprepare(exynos->susp_clk);

	clk_disable_unprepare(exynos->clk);

	return ret;