[PATCHv4 0/6] iommu/arm-smmu: Allow client devices to select identity mapping

Will Deacon will at kernel.org
Thu May 7 10:31:29 UTC 2020


On Thu, May 07, 2020 at 03:58:06PM +0530, Sai Prakash Ranjan wrote:
> Hi Will, Joerg
> 
> On 2020-04-21 00:03, Sai Prakash Ranjan wrote:
> > This series allows DRM, Modem devices to set a default
> > identity mapping in qcom smmu implementation.
> > 
> > Patch 1 is cleanup to support other SoCs to call into
> > QCOM specific  implementation.
> > Patch 2 sets the default identity domain for DRM devices.
> > Patch 3 implements def_domain_type callback for arm-smmu.
> > Patch 4 sets the default identity domain for modem device.
> > Patch 5-6 adds the iommus property for mss pil.
> > 
> > This is based on Joerg's tree:
> >  -
> > https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git/log/?h=iommu-probe-device-v2
> > 
> > v4:
> >  * Updated commit msg for mss pil requesting direct mapping
> > 
> > v3:
> >  * Use arm_smmu_master_cfg to get impl instead of long way as per Robin.
> >  * Use def_domain_type name for the callback in arm_smmu_imp as per
> > Robin
> > 
> > Jordan Crouse (1):
> >   iommu/arm-smmu: Allow client devices to select direct mapping
> > 
> > Sai Prakash Ranjan (2):
> >   iommu: arm-smmu-impl: Convert to a generic reset implementation
> >   iommu/arm-smmu: Implement iommu_ops->def_domain_type call-back
> > 
> > Sibi Sankar (3):
> >   iommu/arm-smmu-qcom: Request direct mapping for modem device
> >   dt-bindings: remoteproc: qcom: Add iommus property
> >   arm64: dts: qcom: sdm845-cheza: Add iommus property
> > 
> >  .../bindings/remoteproc/qcom,q6v5.txt         |  3 ++
> >  arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi    |  5 +++
> >  drivers/iommu/arm-smmu-impl.c                 |  8 ++--
> >  drivers/iommu/arm-smmu-qcom.c                 | 37 +++++++++++++++++--
> >  drivers/iommu/arm-smmu.c                      | 12 ++++++
> >  drivers/iommu/arm-smmu.h                      |  1 +
> >  6 files changed, 60 insertions(+), 6 deletions(-)
> 
> This series is reviewed by Robin.
> Any chance this series can make it to 5.8?

I'm planning to queue smmu stuff next week, been busy with arm64 stuff
so far, sorry.

Will


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