CDEV_ADD(9) Char devices CDEV_ADD(9)

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.

COPYRIGHT Kernel Hackers Manual 2.6. July 2015 CDEV_ADD(9)