From: Sean Paul <seanpaul@chromium.org>
Date: Wed, 1 Oct 2014 15:31:50 +0000 (+0100)
Subject: arm64: Use DMA_ERROR_CODE to denote failed allocation
X-Git-Tag: fixes-for-v3.18-merge-window~21^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a52ce121918382a4249d621cceb07c30e1c00fa2;p=pandora-kernel.git

arm64: Use DMA_ERROR_CODE to denote failed allocation

This patch replaces the static assignment of ~0 to dma_handle with
DMA_ERROR_CODE to be consistent with other platforms.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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