IRQ Level / Edge

Sven Luther sven.luther at
Mon Jul 5 04:05:07 EST 2004

On Sun, Jul 04, 2004 at 07:31:41PM +0200, Sylvain Munaut wrote:
> >
> > Err, i suppose the interesting bit is not how the board designer
> > will know wheter the interrupt is edge or level, but how the kernel
> > running on the board is able to detect it ?
> >
> > Friendly,
> Well, the kernel doesn't detect it. You have to tell him !
> That's why I asked, because in the interrupt controller code, you have
> to set it in the irq_desc[i] structure.

Mmm, i suppose the firmware would know about it, and it should be
possible to read it from there ?


Sven Luther

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