From: Elen Song <elen.song@atmel.com>
Date: Fri, 10 May 2013 03:00:50 +0000 (+0800)
Subject: DMA: AT91: Get transfer width
X-Git-Tag: v3.11-rc1~75^2~32
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d088c33b646e9f3564eea7a057a2cb697c18bcd0;p=pandora-kernel.git

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>
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