From: Rob Herring <rob.herring@calxeda.com>
Date: Thu, 1 Aug 2013 20:50:55 +0000 (-0500)
Subject: ARM: highbank: enable DMA zone for LPAE
X-Git-Tag: v3.12-rc1~75^2~3^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6a398341d5d073a717858b4488a7abe5f242cf2;p=pandora-kernel.git

ARM: highbank: enable DMA zone for LPAE

Some devices are restricted to 32-bit DMA. Thus the platform dma_zone_size
needs to be set. Otherwise dma-mapping code is complaining, e.g.

calxedaxgmac fff50000.ethernet: coherent DMA mask 0xffffffff is smaller
than system GFP_DMA mask 0xffffffffffffffff

Signed-off-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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