mxs-dma: remove useless variable

last_used variable is applied only once, so, let's substitute it by its value.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko 2013-05-27 15:14:32 +03:00 • committed by Vinod Koul
commit 09d16690cb