You are somewhat confused...

Forum: Device Drivers
Re: Hardware Interface I/O Access (Terry Moore)
Keywords: I/O
Date: Mon, 14 Oct 1996 22:16:16 GMT
From: Michael K. Johnson <johnsonm@redhat.com>

You've got two things mixed up--user level drivers and kernel loadable modules. An executable program is what you want, not a module, so don't define MODULE. Just compile your executable with -O and the undefined references should go away.