Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH v5] iommu/arm-smmu-qcom: Limit the SMR groups to 128 | Date | Mon, 27 Mar 2023 13:52:01 +0100 |
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On Mon, 27 Mar 2023 13:30:29 +0530, Manivannan Sadhasivam wrote: > Some platforms support more than 128 stream matching groups than what is > defined by the ARM SMMU architecture specification. But due to some unknown > reasons, those additional groups don't exhibit the same behavior as the > architecture supported ones. > > For instance, the additional groups will not detect the quirky behavior of > some firmware versions intercepting writes to S2CR register, thus skipping > the quirk implemented in the driver and causing boot crash. > > [...]
Applied to will (for-joerg/arm-smmu/updates), thanks!
[1/1] iommu/arm-smmu-qcom: Limit the SMR groups to 128 https://git.kernel.org/will/c/122611347326
Cheers, -- Will
https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
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