linux-kernel - Re: [PATCH v3 08/15] arm64: dts: qcom: msm8996: add missing TCSR syscon compatible

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Message-ID: <b4b61b0a-25a2-b435-4154-2ec2db2c289e@linaro.org>
Date:   Tue, 20 Sep 2022 15:04:37 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 08/15] arm64: dts: qcom: msm8996: add missing TCSR
 syscon compatible

On 20/09/2022 00:13, Dmitry Baryshkov wrote:
> On 09/09/2022 12:20, Krzysztof Kozlowski wrote:
>> TCSR syscon node should come with dedicated compatible.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>   arch/arm64/boot/dts/qcom/msm8996.dtsi | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> index 166374566a49..5f45d0589265 100644
>> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> @@ -3499,7 +3499,7 @@ frame@...0000 {
>>   		};
>>   
>>   		saw3: syscon@...0000 {
>> -			compatible = "syscon";
>> +			compatible = "qcom,tcsr-msm8996", "syscon";
> 
> No! saw3 is not a TCSR. It is a separate region, which should be managed 
> by the SPM driver.

Indeed. Thanks for checking this.

Best regards,
Krzysztof