On Mer, 2006-03-29 at 14:23 +0200, Peter Korsgaard wrote:
> is_real_interrupt() unfortunately interpretes IRQ0 as meaning no
> interrupt, so performance is kinda crap.
This was discussed some time ago and the answer is "none of the below"
http://lkml.org/lkml/2005/11/21/211
Your hardware platform should be mapping interrupts so that the cookie
dev->irq is not 0 for a valid IRQ.
Alan
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