>> + switch (model) { >> + case ACPI_IORT_SMMU_V3: >> + case ACPI_IORT_SMMU_CORELINK_MMU600: >> + break; >> + case ACPI_IORT_SMMU_V3_HISILICON: >> + smmu->options |= ARM_SMMU_OPT_SKIP_PREFETCH; >> + break; >> + case ACPI_IORT_SMMU_V3_CAVIUM_CN99XX: >> + smmu->options |= (ARM_SMMU_OPT_PAGE0_REGS_ONLY | >> + ARM_SMMU_OPT_USE_SHARED_IRQS); >> + break; >> + default: >> + ret = -ENODEV; >> + } >> + >> + return ret; >> +} >> + >> static int arm_smmu_device_acpi_probe(struct platform_device *pdev, >> struct arm_smmu_device *smmu) >> { >> struct acpi_iort_smmu_v3 *iort_smmu; >> struct device *dev = smmu->dev; >> struct acpi_iort_node *node; >> + int ret; >> >> node = *(struct acpi_iort_node **)dev_get_platdata(dev); >> >> /* Retrieve SMMUv3 specific data */ >> iort_smmu = (struct acpi_iort_smmu_v3 *)node->node_data; >> >> + ret = acpi_smmu_get_options(iort_smmu->model, smmu); >> + if (ret < 0) >> + return ret; >> + > > could we add at least: > > dev_notice(smmu->dev, "option mask 0x%x\n", smmu->options); > > We need a note to see which options have been enabled. >
Yeah. Will add that. Thanks. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu