tree e52a011283b970e5eb60eeea81e1955753fa2237
parent bae2c2d421cdea9dd8d62425eef99e389584cdb3
author Will Deacon <will.deacon@arm.com> 1438594540 +0100
committer Will Deacon <will.deacon@arm.com> 1438868138 +0100

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>