From: Scott Wood <scottwood@freescale.com>
Date: Fri, 8 Aug 2014 23:40:42 +0000 (-0500)
Subject: powerpc: Dynamic DMA zone limits
X-Git-Tag: fixes-against-v3.18-rc2~117^2~22^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c98025c6c95bc057a25e2c6596de23288c68160;p=pandora-kernel.git

powerpc: Dynamic DMA zone limits

Platform code can call limit_zone_pfn() to set appropriate limits
for ZONE_DMA and ZONE_DMA32, and dma_direct_alloc_coherent() will
select a suitable zone based on a device's mask and the pfn limits that
platform code has configured.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Shaohui Xie <Shaohui.Xie@freescale.com>
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