Andy Shevchenko 12381dc0c7 dma: dw: return DMA_SUCCESS immediately from device_tx_status()
There is no point to go throught the rest of the function if first call to
dma_cookie_status() returned DMA_SUCCESS.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2013-08-05 09:32:26 +05:30
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