718 	struct iommu_group *group;  in rk_iommu_from_dev()  local
722 	group = iommu_group_get(dev);  in rk_iommu_from_dev()
723 	if (!group)  in rk_iommu_from_dev()
725 	iommu_dev = iommu_group_get_iommudata(group);  in rk_iommu_from_dev()
727 	iommu_group_put(group);  in rk_iommu_from_dev()
880 static int rk_iommu_group_set_iommudata(struct iommu_group *group,  in rk_iommu_group_set_iommudata()  argument
913 	iommu_group_set_iommudata(group, &pd->dev, NULL);  in rk_iommu_group_set_iommudata()
920 	struct iommu_group *group;  in rk_iommu_add_device()  local
926 	group = iommu_group_get(dev);  in rk_iommu_add_device()
927 	if (!group) {  in rk_iommu_add_device()
928 		group = iommu_group_alloc();  in rk_iommu_add_device()
929 		if (IS_ERR(group)) {  in rk_iommu_add_device()
931 			return PTR_ERR(group);  in rk_iommu_add_device()
935 	ret = iommu_group_add_device(group, dev);  in rk_iommu_add_device()
939 	ret = rk_iommu_group_set_iommudata(group, dev);  in rk_iommu_add_device()
943 	iommu_group_put(group);  in rk_iommu_add_device()
950 	iommu_group_put(group);  in rk_iommu_add_device()