Subject: Re: MI interrupt description
To: None <firstname.lastname@example.org>
From: Joerg Sonnenberger <email@example.com>
Date: 10/04/2007 22:20:08
On Thu, Oct 04, 2007 at 08:57:06PM +0100, David Laight wrote:
> On Thu, Oct 04, 2007 at 08:23:13PM +0200, Joerg Sonnenberger wrote:
> > Hi all,
> > is it possible to define platform independent definitions for normal
> > interrupt routing constants? From x86 we have to distinguish at least
> > between Active Low / Active High and Edge / Level triggered interrupts.
> If you want to do this generically, you need to allow for interrupts
> to be triggered on either the rising, falling or both edges.
Do we have any cases for the third? Active High and Active Low are the
other two cases. I don't think this is exposed to normal drivers, just
bus drivers and PICs.