Commit 702fce05 authored May 22, 2017 by Arvind Yadav Committed by Vinod Koul May 24, 2017

dmaengine: DW DMAC: Handle return value of clk_prepare_enable



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>

parent 14bebd01

drivers/dma/dw/platform.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}