linux-kernel - Re: [PATCH v4 4/5] dt-bindings: iommu: arm,smmu: enable clocks for sa8775p Adreno SMMU

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Date:   Tue, 16 May 2023 13:34:24 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v4 4/5] dt-bindings: iommu: arm,smmu: enable clocks for
 sa8775p Adreno SMMU

On Tue, May 16, 2023 at 12:33 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 16/05/2023 12:07, Bartosz Golaszewski wrote:
> > On Mon, Apr 17, 2023 at 2:58 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> >>
> >> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> >>
> >> The GPU SMMU will require the clocks property to be set so put the
> >> relevant compatible into the adreno if-then block.
> >>
> >> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> >> ---
> >>  Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 6 ++++--
> >>  1 file changed, 4 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> >> index ba677d401e24..53bed0160be8 100644
> >> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> >> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> >> @@ -79,6 +79,7 @@ properties:
> >>        - description: Qcom Adreno GPUs implementing "qcom,smmu-500" and "arm,mmu-500"
> >>          items:
> >>            - enum:
> >> +              - qcom,sa8775p-smmu-500
> >>                - qcom,sc7280-smmu-500
> >>                - qcom,sm6115-smmu-500
> >>                - qcom,sm6125-smmu-500
> >> @@ -331,7 +332,9 @@ allOf:
> >>        properties:
> >>          compatible:
> >>            contains:
> >> -            const: qcom,sc7280-smmu-500
> >> +            enum:
> >> +              - qcom,sa8775p-smmu-500
> >> +              - qcom,sc7280-smmu-500
> >>      then:
> >>        properties:
> >>          clock-names:
> >> @@ -413,7 +416,6 @@ allOf:
> >>                - nvidia,smmu-500
> >>                - qcom,qcm2290-smmu-500
> >>                - qcom,qdu1000-smmu-500
> >> -              - qcom,sa8775p-smmu-500
> >>                - qcom,sc7180-smmu-500
> >>                - qcom,sc8180x-smmu-500
> >>                - qcom,sc8280xp-smmu-500
> >> --
> >> 2.37.2
> >>
> >
> > Gentle ping for a review and a pick up. The DT patches that use this
> > schema are in next now so check_dtbs will now fail.
>
> I assume this is not for me, as you got my tag in v2, which I repeated
> in v3.
>
> Best regards,
> Krzysztof
>

The patch changed significantly between v2 and v3 which is why I
dropped your ack as explained in the cover letter for v3. The response
I got for v3 looked like an automated email so I didn't re-collect the
tag. If this looks good to you - could you still Ack it officially
with the adreno compatible changes?

Bart