linux-kernel - Re: [PATCH 2/4] arm64: dts: qcom: sm8150: add missing qcom,smmu-500 fallback

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Message-ID: <42982d5c-31f7-bb26-3970-c40a702af190@linaro.org>
Date:   Mon, 17 Apr 2023 09:57:02 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] arm64: dts: qcom: sm8150: add missing qcom,smmu-500
 fallback

On 17/04/2023 09:16, Konrad Dybcio wrote:
> 
> 
> On 16.04.2023 17:13, Krzysztof Kozlowski wrote:
>> Since commit 6c84bbd103d8 ("dt-bindings: arm-smmu: Add generic
>> qcom,smmu-500 bindings") the SMMU is supposed to use qcom,smmu-500
>> compatible fallback:
>>
>>   ['qcom,sm8150-smmu-500', 'qcom,adreno-smmu', 'qcom,smmu-500', 'arm,mmu-500'] is too long
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>  arch/arm64/boot/dts/qcom/sm8150.dtsi | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> index 3846f5e0f656..024b3c79ea11 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> @@ -3983,7 +3983,7 @@ spmi_bus: spmi@...0000 {
>>  		};
>>  
>>  		apps_smmu: iommu@...00000 {
> Are you..
> 
>> -			compatible = "qcom,sm8150-smmu-500", "arm,mmu-500";
>> +			compatible = "qcom,sm8150-smmu-500",
> 
> "qcom,adreno-smmu", "arm,mmu-500";
> ..sure about that?

I supposed to paste here different one... thanks for spotting it.


Best regards,
Krzysztof