Re: [PATCH v4 1/3] iommu/arm-smmu: Allow implementation specific write_s2cr

2020-10-19 Thread Robin Murphy
On 2020-10-17 05:39, Bjorn Andersson wrote: The firmware found in some Qualcomm platforms intercepts writes to the S2CR register in order to replace the BYPASS type with FAULT. Further more it treats faults at this level as catastrophic and restarts the device. Add support for providing implemen

[PATCH v4 1/3] iommu/arm-smmu: Allow implementation specific write_s2cr

2020-10-16 Thread Bjorn Andersson
The firmware found in some Qualcomm platforms intercepts writes to the S2CR register in order to replace the BYPASS type with FAULT. Further more it treats faults at this level as catastrophic and restarts the device. Add support for providing implementation specific versions of the S2CR write fun