Name

cdev_add — add a char device to the system

Synopsis

int cdev_add (struct cdev * p,
 dev_t dev,
 unsigned count);
 

Arguments

p

the cdev structure for the device

dev

the first device number for which this device is responsible

count

the number of consecutive minor numbers corresponding to this device

Description

cdev_add adds the device represented by p to the system, making it live immediately. A negative error code is returned on failure.