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SubjectRe: [PATCH 2/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #74
Hi Geetha,

On Tue, May 02, 2017 at 12:01:15PM +0530, Geetha Akula wrote:
> SMMU_IIDR register is broken on T99, that the reason we are using MIDR.

Urgh, that's unfortunate. In what way is it broken?

> If using MIDR is not accepted, can we enable errata based on SMMU resource size?
> some thing like below.

No, you need to get your model number added to IORT after all if the IIDR
can't uniqely identify the part.

Sorry,

Will

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