58 	struct xilly_unit *unit, *u;  in xillybus_init_chrdev()  local
60 	unit = kzalloc(sizeof(*unit), GFP_KERNEL);  in xillybus_init_chrdev()
62 	if (!unit)  in xillybus_init_chrdev()
68 		snprintf(unit->name, UNITNAMELEN, "%s", prefix);  in xillybus_init_chrdev()
71 		snprintf(unit->name, UNITNAMELEN, "%s_%02d",  in xillybus_init_chrdev()
76 			if (!strcmp(unit->name, u->name)) {  in xillybus_init_chrdev()
82 	rc = alloc_chrdev_region(&mdev, 0, num_nodes, unit->name);  in xillybus_init_chrdev()
89 	unit->major = MAJOR(mdev);  in xillybus_init_chrdev()
90 	unit->lowest_minor = MINOR(mdev);  in xillybus_init_chrdev()
91 	unit->num_nodes = num_nodes;  in xillybus_init_chrdev()
92 	unit->private_data = private_data;  in xillybus_init_chrdev()
94 	unit->cdev = cdev_alloc();  in xillybus_init_chrdev()
95 	if (!unit->cdev) {  in xillybus_init_chrdev()
99 	unit->cdev->ops = fops;  in xillybus_init_chrdev()
100 	unit->cdev->owner = owner;  in xillybus_init_chrdev()
102 	rc = cdev_add(unit->cdev, MKDEV(unit->major, unit->lowest_minor),  in xillybus_init_chrdev()
103 		      unit->num_nodes);  in xillybus_init_chrdev()
107 		kobject_put(&unit->cdev->kobj);  in xillybus_init_chrdev()
121 			 unit->name, idt);  in xillybus_init_chrdev()
128 				       MKDEV(unit->major,  in xillybus_init_chrdev()
129 					     i + unit->lowest_minor),  in xillybus_init_chrdev()
147 	list_add_tail(&unit->list_entry, &unit_list);  in xillybus_init_chrdev()
157 		device_destroy(&xillybus_class, MKDEV(unit->major,  in xillybus_init_chrdev()
158 						     i + unit->lowest_minor));  in xillybus_init_chrdev()
160 	cdev_del(unit->cdev);  in xillybus_init_chrdev()
163 	unregister_chrdev_region(MKDEV(unit->major, unit->lowest_minor),  in xillybus_init_chrdev()
164 				 unit->num_nodes);  in xillybus_init_chrdev()
169 	kfree(unit);  in xillybus_init_chrdev()
179 	struct xilly_unit *unit = NULL, *iter;  in xillybus_cleanup_chrdev()  local
185 			unit = iter;  in xillybus_cleanup_chrdev()
189 	if (!unit) {  in xillybus_cleanup_chrdev()
195 	for (minor = unit->lowest_minor;  in xillybus_cleanup_chrdev()
196 	     minor < (unit->lowest_minor + unit->num_nodes);  in xillybus_cleanup_chrdev()
198 		device_destroy(&xillybus_class, MKDEV(unit->major, minor));  in xillybus_cleanup_chrdev()
200 	cdev_del(unit->cdev);  in xillybus_cleanup_chrdev()
202 	unregister_chrdev_region(MKDEV(unit->major, unit->lowest_minor),  in xillybus_cleanup_chrdev()
203 				 unit->num_nodes);  in xillybus_cleanup_chrdev()
206 		 unit->num_nodes);  in xillybus_cleanup_chrdev()
208 	list_del(&unit->list_entry);  in xillybus_cleanup_chrdev()
209 	kfree(unit);  in xillybus_cleanup_chrdev()
220 	struct xilly_unit *unit = NULL, *iter;  in xillybus_find_inode()  local
228 			unit = iter;  in xillybus_find_inode()
232 	if (!unit) {  in xillybus_find_inode()
237 	*private_data = unit->private_data;  in xillybus_find_inode()
238 	*index = minor - unit->lowest_minor;  in xillybus_find_inode()