From a52ce121918382a4249d621cceb07c30e1c00fa2 Mon Sep 17 00:00:00 2001
From: Sean Paul <seanpaul@chromium.org>
Date: Wed, 1 Oct 2014 16:31:50 +0100
Subject: [PATCH] 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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