Message-ID: <1c62001d-5e1a-d5b3-ccb2-1224424c0418@linaro.org>
Date:   Mon, 23 Jan 2023 14:21:05 +0100
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Subject: Re: [PATCH 2/3] ARM: dts: qcom: sdx55: Add Qcom SMMU-500 as the
 fallback for IOMMU node
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To:     Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
        andersson@kernel.org, will@kernel.org, joro@8bytes.org,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org
Cc:     linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, iommu@lists.linux.dev,
        dmitry.baryshkov@linaro.org, stable@vger.kernel.org
References: <20230123131931.263024-1-manivannan.sadhasivam@linaro.org>
 <20230123131931.263024-3-manivannan.sadhasivam@linaro.org>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <20230123131931.263024-3-manivannan.sadhasivam@linaro.org>
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On 23.01.2023 14:19, Manivannan Sadhasivam wrote:
> SDX55 uses the Qcom version of the SMMU-500 IP. So use "qcom,smmu-500"
> compatible as the fallback to the SoC specific compatible.
> 
> Cc: <stable@vger.kernel.org> # 5.12
> Fixes: a2bdfdfba2af ("ARM: dts: qcom: sdx55: Enable ARM SMMU")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  arch/arm/boot/dts/qcom-sdx55.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
> index f1c0dab40992..93d71aff3fab 100644
> --- a/arch/arm/boot/dts/qcom-sdx55.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
> @@ -578,7 +578,7 @@ pil-reloc@94c {
>  		};
>  
>  		apps_smmu: iommu@15000000 {
> -			compatible = "qcom,sdx55-smmu-500", "arm,mmu-500";
> +			compatible = "qcom,sdx55-smmu-500", "qcom,smmu-500", "arm,mmu-500";
>  			reg = <0x15000000 0x20000>;
>  			#iommu-cells = <2>;
>  			#global-interrupts = <1>;