From 757a03c6e004fbbdef872cb7ecdc940a891b8e6e Mon Sep 17 00:00:00 2001
From: Jamie Iles <jamie@jamieiles.com>
Date: Wed, 9 Mar 2011 16:29:59 +0000
Subject: [PATCH] macb: support DMA bus widths > 32 bits

Some GEM implementations may support DMA bus widths up to 128 bits.  We
can get the maximum supported DMA bus width from the design
configuration register so use that to program the device up.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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