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.