linux-kernel - Re: [PATCH 02/53] dt-bindings: interconnect: qcom,bcm-voter: Add qcom,bcm-voter-idx

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Date:   Wed, 12 Jul 2023 22:43:30 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Georgi Djakov <djakov@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        cros-qcom-dts-watchers@...omium.org
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/53] dt-bindings: interconnect: qcom,bcm-voter: Add
 qcom,bcm-voter-idx

On 11/07/2023 14:18, Konrad Dybcio wrote:
> In order to (at least partially) untangle the global BCM voter lookup
> (as again, they are shared throughout the entire system and not bound to
> individual buses/providers), introduce a new required property to assign
> a unique identifier to each BCM voter.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  .../devicetree/bindings/interconnect/qcom,bcm-voter.yaml       | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml
> index eec987640b37..09321c1918bf 100644
> --- a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml
> +++ b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml
> @@ -38,8 +38,14 @@ properties:
>  
>      $ref: /schemas/types.yaml#/definitions/uint32
>  
> +  qcom,bcm-voter-idx:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    description:
> +      A globally unique predefined discrimnator, identifying each BCM voter.

s/each/this/ ?
If I understand correctly, there might be more than one instance. The
problem is that I cannot find such case in upstream sources.


> +
>  required:
>    - compatible
> +  - qcom,bcm-voter-idx

This should not be really required, because it affects the ABI. You also
need to fix the reported warning.

Best regards,
Krzysztof