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Subject: Re: 83xx: requesting external interrupts
From: Ben Warren <bwarren@qstreams.com>
To: Kumar Gala <galak@kernel.crashing.org>
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Date: Fri, 11 May 2007 16:29:25 -0400
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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