RTEMS 4.9.2 On-Line Library

I/O Manager IO_UNREGISTER_DRIVER - Unregister a device driver

RTEMS C User's Guide

rtems_status_code rtems_io_unregister_driver(
  rtems_device_major_number   major
);

RTEMS_SUCCESSFUL - successfully registered
RTEMS_INVALID_NUMBER - invalid major device number

This directive removes a device driver from the Device Driver Table.

Currently no specific checks are made and the driver is not closed.

RTEMS C User's Guide