linux-kernel - Re: [PATCH v4 1/2] dt-bindings: arm: coresight: Update the pattern of ete node name

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Message-ID: <20240918155845.GA1629400-robh@kernel.org>
Date: Wed, 18 Sep 2024 10:58:45 -0500
From: Rob Herring <robh@...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>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>, coresight@...ts.linaro.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v4 1/2] dt-bindings: arm: coresight: Update the pattern
 of ete node name

On Fri, Sep 13, 2024 at 02:24:28AM -0700, Mao Jinlong wrote:
> The device full name is embedded trace extension. There is no good fit
> in generic names list for the embedded trace extension. ETE is abbreviation
> of embedded trace extension and the number is the CPU number that ete is
> associated.

It looks like you've just changed things for all the existing users 
which would not be okay. However, it looks like there aren't any in 
tree, so the change is fine, but you need to mention this.

> 
> Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
> ---
>  .../bindings/arm/arm,embedded-trace-extension.yaml          | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml b/Documentation/devicetree/bindings/arm/arm,embedded-trace-extension.yaml
> index f725e6940993..0a88e14e7db3 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-[0-9]+$"
>    compatible:
>      items:
>        - const: arm,embedded-trace-extension
> @@ -55,13 +55,13 @@ examples:
>  
>  # An ETE node without legacy CoreSight connections
>    - |
> -    ete0 {
> +    ete-0 {
>        compatible = "arm,embedded-trace-extension";
>        cpu = <&cpu_0>;
>      };
>  # An ETE node with legacy CoreSight connections
>    - |
> -   ete1 {
> +   ete-1 {
>        compatible = "arm,embedded-trace-extension";
>        cpu = <&cpu_1>;
>  
> -- 
> 2.46.0
>