iommu/arm-smmu: Treat unknown OAS as 48-bit

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A late change to the SMMUv3 architecture ensures that the OAS field
will be monotonically increasing, so we can assume that an unknown OAS
is at least 48-bit and use that, rather than fail the device probe.

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

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Will Deacon 2015-08-03 10:35:40 +01:00

parent bae2c2d421

commit 85430968ae

1 changed files with 4 additions and 4 deletions

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drivers/iommu/arm-smmu-v3.c

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