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

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Message-ID: <84efe9b60e1d7d440e0b5c1777d4eec6@codeaurora.org>
Date:   Thu, 07 May 2020 16:38:00 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Will Deacon <will@...nel.org>
Cc:     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>, jroedel@...e.de,
        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>,
        linux-arm-msm-owner@...r.kernel.org
Subject: Re: [PATCHv4 0/6] iommu/arm-smmu: Allow client devices to select
 identity mapping

Hi Will,

On 2020-05-07 16:01, Will Deacon wrote:
> 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.
> 

No problem at all, thought of reminding once just in case.

Thanks
Sai

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