iommu_request_dm_for_dev 2294 drivers/iommu/amd_iommu.c 		iommu_request_dm_for_dev(dev);
iommu_request_dm_for_dev 5607 drivers/iommu/intel-iommu.c 			ret = iommu_request_dm_for_dev(dev);
iommu_request_dm_for_dev  437 include/linux/iommu.h extern int iommu_request_dm_for_dev(struct device *dev);