centos man page for unregister_chrdev_region

UNREGISTER_CHRDEV_RE(9) 					   Char devices 					   UNREGISTER_CHRDEV_RE(9)

NAME
       unregister_chrdev_region - return a range of device numbers

SYNOPSIS
       void unregister_chrdev_region(dev_t from, unsigned count);

ARGUMENTS
       from
	   the first in the range of numbers to unregister

       count
	   the number of device numbers to unregister

DESCRIPTION
       This function will unregister a range of count device numbers, starting with from. The caller should normally be the one who allocated
       those numbers in the first place...

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   UNREGISTER_CHRDEV_RE(9)