ALLOC_CHRDEV_REGION

Section: Char devices (9)
Updated: February 2011
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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.  

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