From 06f983dd571f564bdd3eb2ac4c33002034ea7810 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Tue, 5 Nov 2013 15:55:04 +0000
Subject: [PATCH] iommu/arm-smmu: use VA_BITS to determine arm64 virtual
 address space

With the introduction of the VA_BITS definition for arm64, make use of
it in the driver, allowing up to 42-bits of VA space when configured
with 64k pages.

Signed-off-by: Will Deacon <will.deacon@arm.com>
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