linux-kernel - Re: [PATCH 02/10] ASoC: dt-bindings: qcom,apr: Split services to shared schema

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Message-ID: <f7be60a6-ea1d-838a-ef50-d324d918db86@linaro.org>
Date:   Fri, 11 Nov 2022 15:21:49 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Banajit Goswami <bgoswami@...cinc.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Patrick Lai <plai@....qualcomm.com>,
        Rob Herring <robh+dt@...nel.org>,
        Srinivasa Rao Mandadapu <srivasam@....qualcomm.com>,
        alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 02/10] ASoC: dt-bindings: qcom,apr: Split services to
 shared schema

On 11/11/2022 14:30, Rob Herring wrote:
> 
> On Fri, 11 Nov 2022 12:35:39 +0100, Krzysztof Kozlowski wrote:
>> The APR/GPR nodes are organized like:
>>
>>   apr-or-gpr-device-node <- qcom,apr.yaml
>>     apr-gpr-service@[0-9] <- qcom,apr.yaml
>>       service-specific-components <- /schemas/sound/qcom,q6*.yaml
>>
>> The schema for services (apr-gpr-service@[0-9]) already grows
>> considerably and is still quite not specific.  It allows several
>> incorrect combinations, like adding a clock-controller to a APM device.
>> Restricting it would complicate the schema even more.  Bringing new
>> support for sound on Qualcomm SM8450 and SC8280XP SoC would grow it as
>> well.
>>
>> Simplify the qcom,apr.yaml by splitting the services to a shared file
>> which will be:
>> 1. Referenced by qcom,apr.yaml with additionalProperties:true,
>> 2. Referenced by specific bindings for services with
>>    additionalProperties:false (not yet in this commit).
>>
>> While moving the code, add also required 'reg' and
>> 'qcom,protection-domain' to further constrain the bindings.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>  .../bindings/soc/qcom/qcom,apr-services.yaml  |  54 +++++++++
>>  .../bindings/soc/qcom/qcom,apr.yaml           | 108 +-----------------
>>  MAINTAINERS                                   |   2 +-
>>  3 files changed, 58 insertions(+), 106 deletions(-)
>>  create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
>>
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> Documentation/devicetree/bindings/soc/qcom/qcom,apr.example.dtb:0:0: /example-0/apr/service@3: failed to match any schema with compatible: ['qcom,q6core']
> Documentation/devicetree/bindings/soc/qcom/qcom,apr.example.dtb:0:0: /example-0/apr/service@4: failed to match any schema with compatible: ['qcom,q6afe']
> Documentation/devicetree/bindings/soc/qcom/qcom,apr.example.dtb:0:0: /example-0/apr/service@7: failed to match any schema with compatible: ['qcom,q6asm']
> Documentation/devicetree/bindings/soc/qcom/qcom,apr.example.dtb:0:0: /example-0/apr/service@8: failed to match any schema with compatible: ['qcom,q6adm']

This is expected. I should have mention maybe in commit msg that these
compatibles are being removed in this commit and re-added in further
commits. Change is therefore not entirely bisectable, but should be
easier for review.

If desired, I can squash these commits.

Best regards,
Krzysztof