Re: Lava dual parallel PCI card IRQ problem

From: Gabor Kovacs
Date: Tue Mar 17 2009 - 18:52:55 EST


On Monday 16 March 2009 06:57:28 Alan Cox wrote:
> On Fri, 13 Mar 2009 00:51:18 -0400
>
> Gabor Kovacs <kgabor@xxxxxxxxxxxxxx> wrote:
> > Hi All,
> >
> > I have problems in setting up IRQ mode operation of parallel ports using
> > onboard port and a LAVA dual parallel PCI card. IRQ is needed to catch
> > events of an external instrument.
>
> The current driver never tries to initialise IRQ support for parallel PCI
> ports and never has. I am not sure why this should be the case but I can
> send you a patch to see what happens if we enable it.

Thanks, that would be great. Indeed, I also looked a bit into parport_pc.c and
found that there is no autodetection. There is some irq detection code in
irq_probe_EPP (disabled by ADVANCED_DETECT macro), but enabling it gives
compile error.

Gabor

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