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_t * dev
output parameter for first assigned number
unsigned baseminor
first of the requested range of minor numbers
unsigned count
the number of minor numbers required
const char * 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.