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(parent: bae2c2d) | patch
iommu/arm-smmu: Treat unknown OAS as 48-bit
authorWill Deacon <will.deacon@arm.com>
Mon, 3 Aug 2015 09:35:40 +0000 (10:35 +0100)
committerWill Deacon <will.deacon@arm.com>
Thu, 6 Aug 2015 13:35:38 +0000 (14:35 +0100)
commit85430968ae72650a63f77f05a29d5c56e41581db
treee52a011283b970e5eb60eeea81e1955753fa2237tree | snapshot
parentbae2c2d421cdea9dd8d62425eef99e389584cdb3commit | diff
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>
drivers/iommu/arm-smmu-v3.c diff | blob | history
Linux kernel for KaRo TX COM modules