iommu/tegra-smmu: Convert to use DMA API

Use the DMA API instead of calling architecture internal functions in
the Tegra SMMU driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Russell King 2015-07-27 13:29:52 +01:00 • committed by Thierry Reding
commit e3c971960f