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usb: dwc3: exynos fix axius clock error path to do cleanup

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commit 8ae584d195 upstream.

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

Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shuah Khan 2017-01-10 16:05:28 -07:00 committed by Greg Kroah-Hartman
parent aac7fa215e
commit 94695386c7
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/dwc3/dwc3-exynos.c
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@ -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 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
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;