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

Udo van den Heuvel udovdh at xs4all.nl
Sun Feb 18 16:58:38 CET 2007


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)

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.



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