dev_to_iommu_device  607 drivers/iommu/amd_iommu_types.h 	struct iommu_device *iommu = dev_to_iommu_device(dev);
dev_to_iommu_device 4756 drivers/iommu/intel-iommu.c 	struct iommu_device *iommu_dev = dev_to_iommu_device(dev);