[RFC PATCH 9/9] iommu/arm-smmu-qcom: Add generic qcom,smmu-500 match entry

[Sai Prakash Ranjan]

On 10/21/2022 10:25 PM, Dmitry Baryshkov wrote:
> Add generic qcom,smmu-500 compatibility string. Newer platforms should
> use this generic entry rather than declaring per-SoC entries.
>

Reviewed-by: Sai Prakash Ranjan <quic_saipraka at quicinc.com>
Tested-by: Sai Prakash Ranjan <quic_saipraka at quicinc.com>


> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
>   drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
> index 9abc40c00f3e..3be81338a25b 100644
> --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
> +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
> @@ -493,6 +493,10 @@ static const struct qcom_smmu_match_data qcom_smmu_500_impl0_data = {
>   	.cfg = &qcom_smmu_impl0_cfg,
>   };
>   
> +/*
> + * Do not add any more qcom,SOC-smmu-500 entries to this list, unless they need
> + * special handling and can not be covered by the qcom,smmu-500 entry.
> + */
>   static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
>   	{ .compatible = "qcom,msm8996-smmu-v2", .data = &msm8996_smmu_data },
>   	{ .compatible = "qcom,msm8998-smmu-v2", .data = &qcom_smmu_v2_data },
> @@ -511,6 +515,7 @@ static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
>   	{ .compatible = "qcom,sm8250-smmu-500", .data = &qcom_smmu_500_impl0_data },
>   	{ .compatible = "qcom,sm8350-smmu-500", .data = &qcom_smmu_500_impl0_data },
>   	{ .compatible = "qcom,sm8450-smmu-500", .data = &qcom_smmu_500_impl0_data },
> +	{ .compatible = "qcom,smmu-500", .data = &qcom_smmu_500_impl0_data },
>   	{ }
>   };
>