54 int iommu_device_sysfs_add(struct iommu_device *iommu,  in iommu_device_sysfs_add()  argument
62 	iommu->dev = kzalloc(sizeof(*iommu->dev), GFP_KERNEL);  in iommu_device_sysfs_add()
63 	if (!iommu->dev)  in iommu_device_sysfs_add()
66 	device_initialize(iommu->dev);  in iommu_device_sysfs_add()
68 	iommu->dev->class = &iommu_class;  in iommu_device_sysfs_add()
69 	iommu->dev->parent = parent;  in iommu_device_sysfs_add()
70 	iommu->dev->groups = groups;  in iommu_device_sysfs_add()
73 	ret = kobject_set_name_vargs(&iommu->dev->kobj, fmt, vargs);  in iommu_device_sysfs_add()
78 	ret = device_add(iommu->dev);  in iommu_device_sysfs_add()
82 	dev_set_drvdata(iommu->dev, iommu);  in iommu_device_sysfs_add()
87 	put_device(iommu->dev);  in iommu_device_sysfs_add()
92 void iommu_device_sysfs_remove(struct iommu_device *iommu)  in iommu_device_sysfs_remove()  argument
94 	dev_set_drvdata(iommu->dev, NULL);  in iommu_device_sysfs_remove()
95 	device_unregister(iommu->dev);  in iommu_device_sysfs_remove()
96 	iommu->dev = NULL;  in iommu_device_sysfs_remove()
106 int iommu_device_link(struct iommu_device *iommu, struct device *link)  in iommu_device_link()  argument
110 	if (!iommu || IS_ERR(iommu))  in iommu_device_link()
113 	ret = sysfs_add_link_to_group(&iommu->dev->kobj, "devices",  in iommu_device_link()
118 	ret = sysfs_create_link_nowarn(&link->kobj, &iommu->dev->kobj, "iommu");  in iommu_device_link()
120 		sysfs_remove_link_from_group(&iommu->dev->kobj, "devices",  in iommu_device_link()
127 void iommu_device_unlink(struct iommu_device *iommu, struct device *link)  in iommu_device_unlink()  argument
129 	if (!iommu || IS_ERR(iommu))  in iommu_device_unlink()
133 	sysfs_remove_link_from_group(&iommu->dev->kobj, "devices", dev_name(link));  in iommu_device_unlink()