56 	struct xilly_unit *unit, *u;  in xillybus_init_chrdev()  local
58 	unit = kzalloc(sizeof(*unit), GFP_KERNEL);  in xillybus_init_chrdev()
60 	if (!unit)  in xillybus_init_chrdev()
66 		snprintf(unit->name, UNITNAMELEN, "%s", prefix);  in xillybus_init_chrdev()
69 		snprintf(unit->name, UNITNAMELEN, "%s_%02d",  in xillybus_init_chrdev()
74 			if (!strcmp(unit->name, u->name)) {  in xillybus_init_chrdev()
80 	rc = alloc_chrdev_region(&mdev, 0, num_nodes, unit->name);  in xillybus_init_chrdev()
87 	unit->major = MAJOR(mdev);  in xillybus_init_chrdev()
88 	unit->lowest_minor = MINOR(mdev);  in xillybus_init_chrdev()
89 	unit->num_nodes = num_nodes;  in xillybus_init_chrdev()
90 	unit->private_data = private_data;  in xillybus_init_chrdev()
92 	unit->cdev = cdev_alloc();  in xillybus_init_chrdev()
93 	if (!unit->cdev) {  in xillybus_init_chrdev()
97 	unit->cdev->ops = fops;  in xillybus_init_chrdev()
98 	unit->cdev->owner = owner;  in xillybus_init_chrdev()
100 	rc = cdev_add(unit->cdev, MKDEV(unit->major, unit->lowest_minor),  in xillybus_init_chrdev()
101 		      unit->num_nodes);  in xillybus_init_chrdev()
105 		kobject_put(&unit->cdev->kobj);  in xillybus_init_chrdev()
119 			 unit->name, idt);  in xillybus_init_chrdev()
126 				       MKDEV(unit->major,  in xillybus_init_chrdev()
127 					     i + unit->lowest_minor),  in xillybus_init_chrdev()
145 	list_add_tail(&unit->list_entry, &unit_list);  in xillybus_init_chrdev()
155 		device_destroy(xillybus_class, MKDEV(unit->major,  in xillybus_init_chrdev()
156 						     i + unit->lowest_minor));  in xillybus_init_chrdev()
158 	cdev_del(unit->cdev);  in xillybus_init_chrdev()
161 	unregister_chrdev_region(MKDEV(unit->major, unit->lowest_minor),  in xillybus_init_chrdev()
162 				 unit->num_nodes);  in xillybus_init_chrdev()
167 	kfree(unit);  in xillybus_init_chrdev()
177 	struct xilly_unit *unit = NULL, *iter;  in xillybus_cleanup_chrdev()  local
183 			unit = iter;  in xillybus_cleanup_chrdev()
187 	if (!unit) {  in xillybus_cleanup_chrdev()
188 		dev_err(dev, "Weird bug: Failed to find unit\n");  in xillybus_cleanup_chrdev()
193 	for (minor = unit->lowest_minor;  in xillybus_cleanup_chrdev()
194 	     minor < (unit->lowest_minor + unit->num_nodes);  in xillybus_cleanup_chrdev()
196 		device_destroy(xillybus_class, MKDEV(unit->major, minor));  in xillybus_cleanup_chrdev()
198 	cdev_del(unit->cdev);  in xillybus_cleanup_chrdev()
200 	unregister_chrdev_region(MKDEV(unit->major, unit->lowest_minor),  in xillybus_cleanup_chrdev()
201 				 unit->num_nodes);  in xillybus_cleanup_chrdev()
204 		 unit->num_nodes);  in xillybus_cleanup_chrdev()
206 	list_del(&unit->list_entry);  in xillybus_cleanup_chrdev()
207 	kfree(unit);  in xillybus_cleanup_chrdev()
218 	struct xilly_unit *unit = NULL, *iter;  in xillybus_find_inode()  local
226 			unit = iter;  in xillybus_find_inode()
232 	if (!unit)  in xillybus_find_inode()
235 	*private_data = unit->private_data;  in xillybus_find_inode()
236 	*index = minor - unit->lowest_minor;  in xillybus_find_inode()