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SubjectRe: [PATCH v5 06/27] irq_domain/powerpc: eliminate irq_map; use irq_alloc_desc() instead
On Mon, 2 Apr 2012, Russell King - ARM Linux wrote:
> If we want to fix it a better way, then sure, that'll be good. But what
> we shouldn't do is re-introduce one regression to fix a different
> regression.
>
> So, Thomas, what do you think about providing a way that a disabled
> interrupt could have its pending status cleared such that when it's
> enabled, any queued events are ignored? Maybe an enable_and_clear_irq() ?

We can make it a flag, which you can either add to the irq itself or
hand it in on request_irq().

Does that require a special chip->callback() function as well ?

Thanks,

tglx


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