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mtd: nand: pxa3xx: Check for clk_prepare_enable() return value 

clk_prepare_enable() can fail due to unknown reason.
Add a check for this and return the error code if it fails.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Ezequiel Garcia 2013-04-17 13:38:13 -03:00 committed by David Woodhouse
parent fb32061ffa
commit 1f8eaff2aa
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/nand/pxa3xx_nand.c
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@ -1072,7 +1072,9 @@ static int alloc_nand_resource(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to get nand clock\n");
return PTR_ERR(info->clk);
}
clk_prepare_enable(info->clk);
ret = clk_prepare_enable(info->clk);
if (ret < 0)
return ret;
/*
* This is a dirty hack to make this driver work from devicetree