Will Deacon 85430968ae iommu/arm-smmu: Treat unknown OAS as 48-bit
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>
2015-08-06 14:35:38 +01:00
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