229 int alloc_chrdev_region(dev_t *dev, unsigned baseminor, unsigned count,  in alloc_chrdev_region()  argument
236 	*dev = MKDEV(cd->major, cd->baseminor);  in alloc_chrdev_region()
437 static struct kobject *exact_match(dev_t dev, int *part, void *data)  in exact_match()  argument
443 static int exact_lock(dev_t dev, void *data)  in exact_lock()  argument
459 int cdev_add(struct cdev *p, dev_t dev, unsigned count)  in cdev_add()  argument
461 	p->dev = dev;  in cdev_add()
463 	return kobj_map(cdev_map, dev, count, NULL, exact_match, exact_lock, p);  in cdev_add()
466 static void cdev_unmap(dev_t dev, unsigned count)  in cdev_unmap()  argument
468 	kobj_unmap(cdev_map, dev, count);  in cdev_unmap()
480 	cdev_unmap(p->dev, p->count);  in cdev_del()
537 static struct kobject *base_probe(dev_t dev, int *part, void *data)  in base_probe()  argument
539 	if (request_module("char-major-%d-%d", MAJOR(dev), MINOR(dev)) > 0)  in base_probe()
541 		request_module("char-major-%d", MAJOR(dev));  in base_probe()