ACPI_IORT_SMMU_V3_CAVIUM_CN99XX
if (smmu->model != ACPI_IORT_SMMU_V3_CAVIUM_CN99XX)
if (smmu->model == ACPI_IORT_SMMU_V3_CAVIUM_CN99XX)
case ACPI_IORT_SMMU_V3_CAVIUM_CN99XX: