IOMMU_CAP_PCI_ATS_SUPPORTED
case IOMMU_CAP_PCI_ATS_SUPPORTED: {
case IOMMU_CAP_PCI_ATS_SUPPORTED:
case IOMMU_CAP_PCI_ATS_SUPPORTED:
if (!device_iommu_capable(idev->dev, IOMMU_CAP_PCI_ATS_SUPPORTED))