tree b65a2fce43f6abb948dee0bdb606b18ecaa9297d
parent 3783cef876e0f24e93a11f1a76cc0b3fe7ea8d94
author Andy Shevchenko <andriy.shevchenko@linux.intel.com> 1373889880 +0300
committer Vinod Koul <vinod.koul@intel.com> 1375675346 +0530

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>