On 07/13/2017 05:37 PM, Rob Clark wrote:
An iommu driver for Qualcomm "B" family devices which do implement the ARM SMMU spec, but not in a way that arm-smmu can support. (I initially added support to arm-smmu, but it was decided that approach was too intrusive and it would be cleaner to have a separate driver.) I should note that all the dependencies for this driver have been merged since 4.12, and it is the last thing needed for having another fully- enabled (gpu/display/video codec/etc) ARM device that is fully upstream.
fwiw: Tested-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
Rob Clark (3): Docs: dt: document qcom iommu bindings iommu: arm-smmu: split out register defines iommu: add qcom_iommu Stanimir Varbanov (1): iommu: qcom: initialize secure page table .../devicetree/bindings/iommu/qcom,iommu.txt | 121 +++ drivers/iommu/Kconfig | 10 + drivers/iommu/Makefile | 1 + drivers/iommu/arm-smmu-regs.h | 227 +++++ drivers/iommu/arm-smmu.c | 203 +---- drivers/iommu/qcom_iommu.c | 932 +++++++++++++++++++++ 6 files changed, 1292 insertions(+), 202 deletions(-) create mode 100644 Documentation/devicetree/bindings/iommu/qcom,iommu.txt create mode 100644 drivers/iommu/arm-smmu-regs.h create mode 100644 drivers/iommu/qcom_iommu.c
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