Re: [PATCHv3] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

From: Will Deacon
Date: Fri Jul 08 2022 - 09:56:04 EST


On Fri, 8 Jul 2022 15:12:30 +0530, Sai Prakash Ranjan wrote:
> TLB sync timeouts can be due to various reasons such as TBU power down
> or pending TCU/TBU invalidation/sync and so on. Debugging these often
> require dumping of some implementation defined registers to know the
> status of TBU/TCU operations and some of these registers are not
> accessible in non-secure world such as from kernel and requires SMC
> calls to read them in the secure world. So, add this debug support
> to dump implementation defined registers for TLB sync timeout issues.
>
> [...]

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

[1/1] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts
https://git.kernel.org/will/c/b9b721d117e9

Cheers,
--
Will

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