linux-kernel - Re: [PATCH v3 1/2] dt-bindings: arm: Add qcom,qmi-id for remote etm

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Message-ID: <x45dqaramqjwqjmwf5fbagzsrzb4f4qaohpaaohrdfjkmq2oil@x3sz4jeqnmj5>
Date: Thu, 22 Aug 2024 09:41:45 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Mao Jinlong <quic_jinlmao@...cinc.com>
Cc: Suzuki K Poulose <suzuki.poulose@....com>, 
	Mike Leach <mike.leach@...aro.org>, James Clark <james.clark@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Andy Gross <agross@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org, 
	coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: arm: Add qcom,qmi-id for remote etm

On Wed, Aug 21, 2024 at 11:41:18PM -0700, Mao Jinlong wrote:
> qcom,qmi-id is the instance id used by qmi API to communicate with
> remote processor.
> 
> Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
> ---
>  .../bindings/arm/qcom,coresight-remote-etm.yaml        | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
> index 4fd5752978cd..27e5f18bfedf 100644
> --- a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
> +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
> @@ -20,6 +20,13 @@ properties:
>    compatible:
>      const: qcom,coresight-remote-etm
>  
> +  qcom,qmi-id:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      This id is used by qmi API to communicate with remote processor for
> +      enabling and disabling remote etm. Each processor has its unique instance
> +      id.
> +
>    out-ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>      additionalProperties: false
> @@ -31,6 +38,7 @@ properties:
>  
>  required:
>    - compatible
> +  - qcom,qmi-id

That's an ABI break.

Best regards,
Krzysztof