tree 297d676a700dad9089b642d80c5823f0a97cd7c1
parent 6c22770f644bf23aecc11fedd7b305488a861bfc
author Elen Song <elen.song@atmel.com> 1368154850 +0800
committer Vinod Koul <vinod.koul@intel.com> 1373004630 +0530

DMA: AT91: Get transfer width

In one dma transfer, the data transfer width can be configured and it is limited by source or destination peripheral width,
tx_width will save the transfer width, but for memcpy, either source or destination transfer width is taken as tx_width.

Signed-off-by: Elen Song <elen.song@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>