Parallel IO port conflict (driver problem)

[Greg KH]

On Tue, Sep 06, 2011 at 08:58:34AM +0800, Shenli Zhu wrote:
> Hi all,
> 
> I am reading "Linux device driver 3rd". I try to insmod the "short"
> example(a example use parallel port).
> 
> But the port 0x378 is allocated to parport. And parport is used by
> ppdev, parport_pc and lp.
> 
> Shall I rmmod all these 4 module to insmod "short"?

Yes.