816 	struct iommu_domain *domain = iommu_get_domain_for_dev(dev);  in do_iommu_attach()  local
823 	if (!domain) {  in do_iommu_attach()
832 		domain = ops->domain_alloc(IOMMU_DOMAIN_DMA);  in do_iommu_attach()
833 		if (!domain)  in do_iommu_attach()
836 		domain->ops = ops;  in do_iommu_attach()
837 		domain->type = IOMMU_DOMAIN_DMA | __IOMMU_DOMAIN_FAKE_DEFAULT;  in do_iommu_attach()
839 		if (iommu_attach_device(domain, dev))  in do_iommu_attach()
843 	if (iommu_dma_init_domain(domain, dma_base, size))  in do_iommu_attach()
850 	iommu_detach_device(domain, dev);  in do_iommu_attach()
852 	if (domain->type & __IOMMU_DOMAIN_FAKE_DEFAULT)  in do_iommu_attach()
853 		iommu_domain_free(domain);  in do_iommu_attach()
968 	struct iommu_domain *domain = iommu_get_domain_for_dev(dev);  in arch_teardown_dma_ops()  local
970 	if (domain) {  in arch_teardown_dma_ops()
971 		iommu_detach_device(domain, dev);  in arch_teardown_dma_ops()
972 		if (domain->type & __IOMMU_DOMAIN_FAKE_DEFAULT)  in arch_teardown_dma_ops()
973 			iommu_domain_free(domain);  in arch_teardown_dma_ops()