On Fri, Aug 23, 2024 at 03:16:07PM +0800, Jinlong Mao wrote: > > > On 2024/8/22 15:41, Krzysztof Kozlowski wrote: > > 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@xxxxxxxxxxx> > > > --- > > > .../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 > Hi Krzysztof, > > Sorry, I didn't get your point. > Could you please share more details ? Adding new required properties is an ABI break. Nothing in commit msg explained why this is okay or even needed. Best regards, Krzysztof