linux-kernel - [PATCHv3 0/6] iommu/arm-smmu: Allow client devices to select identity mapping

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Date:   Mon, 20 Apr 2020 22:11:58 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Rob Clark <robdclark@...il.com>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Matthias Kaehlcke <mka@...omium.org>,
        Evan Green <evgreen@...omium.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Subject: [PATCHv3 0/6] iommu/arm-smmu: Allow client devices to select identity mapping

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

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(-)

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