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dmaengine: DW DMAC: Handle return value of clk_prepare_enable

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clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Arvind Yadav 2017-05-22 16:01:48 +05:30 committed by Vinod Koul
parent 14bebd01c5
commit 702fce05f5
1 changed files with 5 additions and 1 deletions
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6
drivers/dma/dw/platform.c
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@ -306,8 +306,12 @@ static int dw_resume_early(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct dw_dma_chip *chip = platform_get_drvdata(pdev);
int ret;
ret = clk_prepare_enable(chip->clk);
if (ret)
return ret;
clk_prepare_enable(chip->clk);
return dw_dma_enable(chip);
}