linux-kernel - Re: [PATCH v1 1/2] dt-bindings: arm: coresight: Update the pattern of ete node name

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Message-ID: <f2f983b7-4c57-4b1b-925d-ffb18f6350a0@quicinc.com>
Date: Thu, 21 Dec 2023 16:15:42 +0800
From: Jinlong Mao <quic_jinlmao@...cinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Mathieu Poirier
	<mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        "Mike Leach" <mike.leach@...aro.org>,
        James Clark <james.clark@....com>, Leo
 Yan <leo.yan@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring
	<robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>,
        Tao Zhang
	<quic_taozha@...cinc.com>, <coresight@...ts.linaro.org>
Subject: Re: [PATCH v1 1/2] dt-bindings: arm: coresight: Update the pattern of
 ete node name



On 12/21/2023 4:12 PM, Krzysztof Kozlowski wrote:
> On 21/12/2023 04:28, Jinlong Mao wrote:
>>>> diff --git a/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml b/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml
>>>> index f725e6940993..cbf583d34029 100644
>>>> --- a/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml
>>>> +++ b/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml
>>>> @@ -23,7 +23,7 @@ description: |
>>>>    
>>>>    properties:
>>>>      $nodename:
>>>> -    pattern: "^ete([0-9a-f]+)$"
>>>> +    pattern: "^ete-([0-9a-f]+)$"
>>>
>>> My concerns are not resolved. Why is it here in the first place?
>>
>> Hi Krzysztof,
>>
>> ETE is acronym of embedded trace extension. The number of the name is
>> the same as the number of the CPU it belongs to.
> 
> This is obvious and was not my question.

Do you mean why the pattern match of the node name is added here ?

This node should not have the node name match, right ?

Thanks
Jinlong Mao

> 
> Best regards,
> Krzysztof
>