Parallel IO port conflict (driver problem)
Sept. 6, 2011
12:58 a.m.
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"? Thanks, David
Sept. 6, 2011
3:01 a.m.
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.
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Shenli Zhu