From: Lorenzo Nava <lorenx4@gmail.com>
Date: Thu, 2 Jul 2015 16:28:03 +0000 (+0100)
Subject: ARM: 8398/1: arm DMA: Fix allocation from CMA for coherent DMA
X-Git-Tag: omap-for-v4.3/fixes-rc1~102^2~1^3~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21caf3a765b0a88f8fedf63b36e5d15683b73fe5;p=pandora-kernel.git

ARM: 8398/1: arm DMA: Fix allocation from CMA for coherent DMA

This patch allows the use of CMA for DMA coherent memory allocation.
At the moment if the input parameter "is_coherent" is set to true
the allocation is not made using the CMA, which I think is not the
desired behaviour.
The patch covers the allocation and free of memory for coherent
DMA.

Signed-off-by: Lorenzo Nava <lorenx4@gmail.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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