Re: [PATCH v4 02/13] dt-bindings: remoteproc: qcom: pas: Add QMP property

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On Tue, Jul 20, 2021 at 10:06:36AM +0530, Sibi Sankar wrote:
> The load state power-domain, used by the co-processors to notify the
> Always on Subsystem (AOSS) that a particular co-processor is up/down,
> suffers from the side-effect of changing states during suspend/resume.
> However the co-processors enter low-power modes independent to that of
> the application processor and their states are expected to remain
> unaltered across system suspend/resume cycles. To achieve this behavior
> let's drop the load state power-domain and replace them with the qmp
> property for all SoCs supporting low power mode signalling.
> 
> Signed-off-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
> ---
> 
> v4:
>  * Commit message change and sc8180x co-processor addition. [Rob/Bjorn]
> 
>  .../devicetree/bindings/remoteproc/qcom,adsp.yaml  | 65 +++++++++++-----------
>  1 file changed, 33 insertions(+), 32 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
> index c597ccced623..1182afb5f593 100644
> --- a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
> @@ -78,11 +78,11 @@ properties:
>  
>    power-domains:
>      minItems: 1
> -    maxItems: 3
> +    maxItems: 2
>  
>    power-domain-names:
>      minItems: 1
> -    maxItems: 3
> +    maxItems: 2

It seems maxItems should have been 4 in the first place and should remain
unchanged after removing the load state power domain. With this patch:

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sc7180-mpss-pas
    then:
      properties:
        power-domains:
          items:
            - description: CX power domain
            - description: MX power domain
            - description: MSS power domain
        power-domain-names:
          items:
            - const: cx
            - const: mx
            - const: mss




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