From 2194dc27bd845d69ea169fb95c1536002904967e Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 5 Aug 2014 18:52:59 +1000
Subject: [PATCH] powerpc/eeh: Add missing #ifdef CONFIG_IOMMU_API

Some new functions are exposed for use by the IOMMU code but
won't build when CONFIG_IOMMU_API isn't set, so shield them
appropriately.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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