ALLOC_CHRDEV_REGION(9)                     Char devices                    ALLOC_CHRDEV_REGION(9)



NAME
       alloc_chrdev_region - register a range of char device numbers

SYNOPSIS
       int alloc_chrdev_region(dev_t * dev, unsigned baseminor, unsigned count,
                               const char * name);

ARGUMENTS
       dev
           output parameter for first assigned number

       baseminor
           first of the requested range of minor numbers

       count
           the number of minor numbers required

       name
           the name of the associated device or driver

DESCRIPTION
       Allocates a range of char device numbers. The major number will be chosen dynamically, and
       returned (along with the first minor number) in dev. Returns zero or a negative error
       code.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                    ALLOC_CHRDEV_REGION(9)