From 8c8cb58ed6429da3cd41c1b44770c7a4b1b33933 Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Wed, 17 Dec 2014 16:46:37 +0100
Subject: [PATCH] drm/tegra: gem: Use iommu_map_sg()

The iommu_map_sg() function is now available in the IOMMU API, so drop
the open-coded variant.

Signed-off-by: Thierry Reding <treding@nvidia.com>
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