From: Chris Metcalf <cmetcalf@tilera.com>
Date: Wed, 9 May 2012 16:26:30 +0000 (-0400)
Subject: arch/tile: enable ZONE_DMA for tilegx
X-Git-Tag: v3.6-rc1~129^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eef015c8aa74451f848307fe5f65485070533bbb;p=pandora-kernel.git

arch/tile: enable ZONE_DMA for tilegx

This is required for PCI root complex legacy support and USB OHCI root
complex support.  With this change tilegx now supports allocating memory
whose PA fits in 32 bits.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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