[linux-dvb] how can this work, what can I do?

Manu Abraham abraham.manu at gmail.com
Sun Feb 18 17:48:02 CET 2007

On 2/18/07, Udo van den Heuvel <udovdh at xs4all.nl> wrote:
> Manu Abraham wrote:
> > On 2/18/07, Udo van den Heuvel <udovdh at xs4all.nl> wrote:
> >
> >> How does the Device Number scheme works w.r.t. influencing what
> >> interrupt goes where? Can I find out what inerrupt my DVB-cards are
> >> really connected to (instead of what the kernel thinks)?
> >
> > Currently the DVB subsystem *just* handles IRQ by doing a request
> > IRQ(request_irq). It is the PCI subsystem which is responsible and
> > handles out the IRQ which is based on the information read from the
> > PCI Bars.
> Thanks.
> So what can I do? Where should I ask what?
> (see my post to linux-kernel as well)

saw your post at LK. I think that's the right place to ask that question.

> I just want to find out what the real IRQs are for the cards on the
> riser. Is there a good method to do just that?
> Then, when I know the IRQs I must tell Linux, that's the next part.

The PCi subsystem handles that part, so the relevant changes in case
of any need to go in there.


More information about the linux-dvb mailing list