236 int alloc_chrdev_region(dev_t *dev, unsigned baseminor, unsigned count,  in alloc_chrdev_region()  argument
243 	*dev = MKDEV(cd->major, cd->baseminor);  in alloc_chrdev_region()
457 static struct kobject *exact_match(dev_t dev, int *part, void *data)  in exact_match()  argument
463 static int exact_lock(dev_t dev, void *data)  in exact_lock()  argument
479 int cdev_add(struct cdev *p, dev_t dev, unsigned count)  in cdev_add()  argument
483 	p->dev = dev;  in cdev_add()
486 	if (WARN_ON(dev == WHITEOUT_DEV))  in cdev_add()
489 	error = kobj_map(cdev_map, dev, count, NULL,  in cdev_add()
537 int cdev_device_add(struct cdev *cdev, struct device *dev)  in cdev_device_add()  argument
541 	if (dev->devt) {  in cdev_device_add()
542 		cdev_set_parent(cdev, &dev->kobj);  in cdev_device_add()
544 		rc = cdev_add(cdev, dev->devt, 1);  in cdev_device_add()
549 	rc = device_add(dev);  in cdev_device_add()
550 	if (rc && dev->devt)  in cdev_device_add()
571 void cdev_device_del(struct cdev *cdev, struct device *dev)  in cdev_device_del()  argument
573 	device_del(dev);  in cdev_device_del()
574 	if (dev->devt)  in cdev_device_del()
578 static void cdev_unmap(dev_t dev, unsigned count)  in cdev_unmap()  argument
580 	kobj_unmap(cdev_map, dev, count);  in cdev_unmap()
596 	cdev_unmap(p->dev, p->count);  in cdev_del()
659 static struct kobject *base_probe(dev_t dev, int *part, void *data)  in base_probe()  argument
661 	if (request_module("char-major-%d-%d", MAJOR(dev), MINOR(dev)) > 0)  in base_probe()
663 		request_module("char-major-%d", MAJOR(dev));  in base_probe()