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

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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>
This commit is contained in:
Shuah Khan 2017-01-10 16:05:28 -07:00 committed by Felipe Balbi
parent 866932e277
commit 8ae584d195
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/dwc3/dwc3-exynos.c
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@ -138,7 +138,8 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
exynos->axius_clk = devm_clk_get(dev, "usbdrd30_axius_clk"); exynos->axius_clk = devm_clk_get(dev, "usbdrd30_axius_clk");
if (IS_ERR(exynos->axius_clk)) { if (IS_ERR(exynos->axius_clk)) {
dev_err(dev, "no AXI UpScaler clk specified\n"); dev_err(dev, "no AXI UpScaler clk specified\n");
return -ENODEV; ret = -ENODEV;
goto axius_clk_err;
} }
clk_prepare_enable(exynos->axius_clk); clk_prepare_enable(exynos->axius_clk);
} else { } else {
@ -196,6 +197,7 @@ err3:
regulator_disable(exynos->vdd33); regulator_disable(exynos->vdd33);
err2: err2:
clk_disable_unprepare(exynos->axius_clk); clk_disable_unprepare(exynos->axius_clk);
axius_clk_err:
clk_disable_unprepare(exynos->susp_clk); clk_disable_unprepare(exynos->susp_clk);
clk_disable_unprepare(exynos->clk); clk_disable_unprepare(exynos->clk);
return ret; return ret;