[PATCH] iommu/arm-smmu-v3: Fix access for STE.SHCFG
Will Deacon
will at kernel.org
Tue Mar 26 10:23:18 PDT 2024
On Sat, 23 Mar 2024 13:46:58 +0000, Mostafa Saleh wrote:
> STE attributes(NSCFG, PRIVCFG, INSTCFG) use value 0 for "Use Icomming",
> for some reason SHCFG doesn't follow that, and it is defined as "0b01".
>
> Currently the driver sets SHCFG to Use Incoming for stage-2 and bypass
> domains.
>
> However according to the User Manual (ARM IHI 0070 F.b):
> When SMMU_IDR1.ATTR_TYPES_OVR == 0, this field is RES0 and the
> incoming Shareability attribute is used.
>
> [...]
Applied to will (for-joerg/arm-smmu/fixes), thanks!
[1/1] iommu/arm-smmu-v3: Fix access for STE.SHCFG
https://git.kernel.org/will/c/ec9098d6bffe
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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