linux-kernel - Re: [PATCH] arm64: dts: qcom: Fix the warnings from coresight bindings

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Message-ID: <a64ded1e-af5d-481c-b66c-8019b3d1ad5a@quicinc.com>
Date:   Mon, 27 Nov 2023 12:06:07 +0800
From:   Jinlong Mao <quic_jinlmao@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...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>
Subject: Re: [PATCH] arm64: dts: qcom: Fix the warnings from coresight
 bindings



On 11/24/2023 3:50 PM, Krzysztof Kozlowski wrote:
> On 24/11/2023 07:17, Mao Jinlong wrote:
>> Fix all warnings in Qualcomm boards coming from Coresight bindings.
> 
> One logical thing, one patch. That applies not only to Linux kernel, but
> to all software projects.
> 
>>
>> Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/msm8996.dtsi | 26 ----------------------
>>   arch/arm64/boot/dts/qcom/msm8998.dtsi | 32 +++++++++++++++++----------
>>   arch/arm64/boot/dts/qcom/sdm845.dtsi  |  5 +----
>>   arch/arm64/boot/dts/qcom/sm8150.dtsi  |  5 +----
>>   arch/arm64/boot/dts/qcom/sm8250.dtsi  | 24 ++++----------------
>>   5 files changed, 26 insertions(+), 66 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> index 6ba9da9e6a8b..e42c22b26adc 100644
>> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> @@ -2637,24 +2637,6 @@ funnel1_out: endpoint {
>>   			};
>>   		};
>>   
>> -		funnel@...3000 {
>> -			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
>> -			reg = <0x3023000 0x1000>;
>> -
>> -			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
>> -			clock-names = "apb_pclk", "atclk";
>> -
>> -
>> -			out-ports {
>> -				port {
>> -					funnel2_out: endpoint {
>> -						remote-endpoint =
>> -						  <&merge_funnel_in2>;
>> -					};
>> -				};
>> -			};
>> -		};
> 
> Why do you remove nodes? How is this anyhow related to commit msg?
> Nothing here is explained.
> 
>> -
>>   		funnel@...5000 {
>>   			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
>>   			reg = <0x3025000 0x1000>;
>> @@ -2681,14 +2663,6 @@ merge_funnel_in1: endpoint {
>>   						  <&funnel1_out>;
>>   					};
>>   				};
>> -
>> -				port@2 {
>> -					reg = <2>;
>> -					merge_funnel_in2: endpoint {
>> -						remote-endpoint =
>> -						  <&funnel2_out>;
>> -					};
> 
> Why?
> 
>> -				};
>>   			};
>>   
>>   			out-ports {
>> diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
>> index b485bf925ce6..ebc5ba1b369e 100644
>> --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
>> @@ -2031,9 +2031,11 @@ etm5: etm@...0000 {
>>   
>>   			cpu = <&CPU4>;
>>   
>> -			port {
>> -				etm4_out: endpoint {
>> -					remote-endpoint = <&apss_funnel_in4>;
>> +			out-ports {
>> +				port {
> 
> So you want to say out-ports is missing? Commit msg is really not
> explaining anything.
> 
>> +					etm4_out: endpoint {
>> +						remote-endpoint = <&apss_funnel_in4>;
>> +					};
>>   				};
> 
> 
> Best regards,
> Krzysztof
Thanks for the review. I will separate the patches and update the commit 
message.

Thanks
Jinlong Mao

>