unregister_chrdev_region (9) - Linux Manuals

unregister_chrdev_region: unregister a range of device numbers

Command to display unregister_chrdev_region manual in Linux: $ man 9 unregister_chrdev_region

NAME

unregister_chrdev_region - unregister 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...