linux-kernel - Re: [PATCH 1/3] dt-bindings: dmaengine: Document qcom,gpi dma binding

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Date:   Tue, 25 Aug 2020 20:21:31 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: dmaengine: Document qcom,gpi dma binding

Hey Rob,

On 24-08-20, 11:40, Rob Herring wrote:
> On Mon, 24 Aug 2020 14:17:10 +0530, Vinod Koul wrote:
> > Add devicetree binding documentation for GPI DMA controller
> > implemented on Qualcomm SoCs
> > 
> > Signed-off-by: Vinod Koul <vkoul@...nel.org>
> > ---
> >  .../devicetree/bindings/dma/qcom-gpi.yaml     | 87 +++++++++++++++++++
> >  1 file changed, 87 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/dma/qcom-gpi.yaml
> > 
> 
> 
> My bot found errors running 'make dt_binding_check' on your patch:
> 
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.yaml: properties:qcom,ev-factor: {'description': 'Event ring transfer size compare to channel transfer ring. Event ring length = ev-factor * transfer ring size', 'maxItems': 1} is not valid under any of the given schemas (Possible causes of the failure):
> 	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.yaml: properties:qcom,ev-factor: 'not' is a required property

Okay updating dt-schema I do see this, now the question is what is this
and what does it mean ;-) I am not sure I comprehend the error message.
I see this for all the new properties I added as required for this
device node

> 
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.yaml: properties:qcom,gpii-mask: {'description': 'Bitmap of supported GPII instances for OS', 'maxItems': 1} is not valid under any of the given schemas (Possible causes of the failure):
> 	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.yaml: properties:qcom,gpii-mask: 'not' is a required property
> 
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.yaml: properties:qcom,max-num-gpii: {'description': 'Maximum number of GPII instances available', 'maxItems': 1} is not valid under any of the given schemas (Possible causes of the failure):
> 	/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.yaml: properties:qcom,max-num-gpii: 'not' is a required property
> 
> ./Documentation/devicetree/bindings/dma/qcom-gpi.yaml: $id: relative path/filename doesn't match actual path or filename
> 	expected: http://devicetree.org/schemas/dma/qcom-gpi.yaml#
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.yaml: ignoring, error in schema: properties: qcom,max-num-gpii
> warning: no schema found in file: ./Documentation/devicetree/bindings/dma/qcom-gpi.yaml
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/dma/qcom-gpi.example.dt.yaml: example-0: dma@...000:reg:0: [0, 8388608, 0, 393216] is too long
> 	From schema: /usr/local/lib/python3.8/dist-packages/dtschema/schemas/reg.yaml
> 
> 
> See https://patchwork.ozlabs.org/patch/1350170
> 
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure dt-schema is up to date:
> 
> pip3 install git+https://github.com/devicetree-org/dt-schema.git@master --upgrade
> 
> Please check and re-submit.

-- 
~Vinod