linux-kernel - Re: [PATCH v3 2/2] drivers: arm-smmu-impl: Add QDU1000 and QRU1000 iommu implementation

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Message-ID: <0ae09be0-cb1b-dc27-943b-db64ca97b8c7@linaro.org>
Date:   Mon, 14 Nov 2022 15:28:15 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Melody Olvera <quic_molvera@...cinc.com>,
        Will Deacon <will@...nel.org>, Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Robin Murphy <robin.murphy@....com>,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] drivers: arm-smmu-impl: Add QDU1000 and QRU1000
 iommu implementation

On 26/10/2022 21:05, Melody Olvera wrote:
> Add compatible for Qualcomm QDU1000 and QRU1000 SoCs to add iommu
> support for them.
> 
> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
> ---
>  drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
> index b2708de25ea3..0580a381a04b 100644
> --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
> +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
> @@ -426,6 +426,7 @@ static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu,
>  static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
>  	{ .compatible = "qcom,msm8998-smmu-v2" },
>  	{ .compatible = "qcom,qcm2290-smmu-500" },
> +	{ .compatible = "qcom,qdu1000-smmu-500" },

The patch was applied but it contradicts work here:
https://lore.kernel.org/all/20221102184420.534094-12-dmitry.baryshkov@linaro.org/
which explicitly asks not to add such compatibles...

Best regards,
Krzysztof