83xx: requesting external interrupts
Ben Warren
bwarren at qstreams.com
Sat May 12 06:29:25 EST 2007
On Fri, 2007-05-11 at 15:15 -0500, Kumar Gala wrote:
>
> I assume you're code doesn't look exactly like this. You'll need to
> use the virq in the request_irq()... its most likely just random luck
> if things are working and you aren't using the virq returned from
> irq_create_mapping()
>
> (Well its more than random luck, its because most 83xx systems only
> have one PIC and this hw_irq # == virq)
>
> - k
In the code that registers the ISR I do this:
virq = irq_find_mapping(NULL, MY_IRQ);
request_irq(virq ...)
Since I only have one interrupt controller, host is NULL, right?
regards,
Ben
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