Re: [RESEND PATCH 0/4] iommu: add qcom_iommu for early "B" family devices

[Archit Taneja <architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

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-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>

> 
> 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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