iommu/io-pgtable-arm: Simplify bounds checks

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We're merely checking that the relevant upper bits of each address
are all zero, so there are cheaper ways to achieve that.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>

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Robin Murphy 2019-10-25 19:08:32 +01:00 • committed by Will Deacon

parent f7b90d2c74

commit 67f3e53d2a

1 changed files with 2 additions and 3 deletions

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drivers/iommu/io-pgtable-arm.c

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