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Re: [Xen-devel] [PATCH for-4.5 7/8] xen/irq: Handle multiple action per IRQ



On Tue, 2014-03-18 at 15:08 +0000, Julien Grall wrote:
> On 03/18/2014 03:02 PM, Ian Campbell wrote:
> >> int num_irqs = dt_number_of_irq(smmu->node);
> > 
> > assert(num_irqs == 2) here and the rest gets a lot simpler. The maximum
> > is a property of the hardware I think, so the driver is allowed to make
> > such assumptions.
> 
> I know it would be easier ... but you can't assume that num_irqs == 2 :).
> 
> The number is not determined.

Are you saying that the SMMU-400 has an arbitrary number of interrupts?

Ian.


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