tree 2df4ff65a80122ddfafb6f363ddf00c393a9313e
parent d264b48687fab995fe970451ed11f4259d68aee1
author Fabio Estevam <fabio.estevam@freescale.com> 1434836624 -0300
committer Vinod Koul <vinod.koul@intel.com> 1436241908 +0530

dmaengine: imx-dma: Check for clk_prepare_enable() error

clk_prepare_enable() may fail, so we should better check its return value
and propagate it in the case of error.

While at it, change the label 'err' to a more descriptive naming.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>