[PATCH] iommu/arm-smmu: Warn once when the perfetcher errata patch fails to apply

Will Deacon will at kernel.org
Tue Nov 15 10:32:54 PST 2022


On Fri, 4 Nov 2022 06:21:21 +0800, Chen Lin wrote:
> Default reset value of secure banked register SMMU_sACR.cache_lock is 1.
> If it is not been set to 0 by secure software(eg: atf), the non-secure
> linux cannot clear ARM_MMU500_ACTLR_CPRE bit. In this situation,
> the prefetcher errata is not applied successfully, warn once.
> 
> 

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/1] iommu/arm-smmu: Warn once when the perfetcher errata patch fails to apply
      https://git.kernel.org/will/c/f87f6e5b4539

Cheers,
-- 
Will

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