tree 742c4f6827eaf65253d97ec01cf469b0caa43391
parent 40c9b882fa74771544b0e41209e99d78685f94be
author Dmitry Osipenko <digetx@gmail.com> 1523304440 +0300
committer Joerg Roedel <jroedel@suse.de> 1525357828 +0200

iommu/tegra: gart: Fix gart_iommu_unmap()

It must return the number of unmapped bytes on success, returning 0 means
that unmapping failed and in result only one page is unmapped.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>