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Re: Devices, IRQs and handlers
On 1/9/06, Sven Schuster <schuster.sven@xxxxxx> wrote:
>
> Hi Arjan,
>
> On Mon, Jan 09, 2006 at 10:25:12PM +0100, Arjan van de Ven told us:
> > you don't know which device generated the irq!
> > All the kernel knows is that "irq 11 triggered". Not which of the two
> > devices on irq 11 did that.
>
> just to clarify: this means the driver(s) which registered for that
> particular irq need to "ask" their device whether it generated this
> irq or not in some way, right??
Correct.
> And how this is done is then device
> specific, of course...
Yes.
> have a nice day :-)
You too.
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