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 4.8.                 January 2017                               CDEV_ADD(9)