Re: [PATCH v5 06/27] irq_domain/powerpc: eliminate irq_map; use irq_alloc_desc() instead

On Wed, 2012-04-11 at 11:13 +1000, Benjamin Herrenschmidt wrote:

On Sat, 2012-04-07 at 14:27 +0200, Andreas Schwab wrote:

quoted

Benjamin Herrenschmidt [off-list ref] writes:

quoted

It's arguable that this irq_set_irq_type(,NONE) shouln't be there but
still ... it's been around for ever and things worked :-) So something
-else- is causing the problem and I'd like to understand what exactly.

AFAICS before a09b659cd68c10ec6a30cb91ebd2c327fcd5bfe5
irq_set_irq_type(,NONE) was actually a no-op.

So I'm still a bit baffled... ie, I understand some of what's happening
but not why it breaks things, I haven't yet managed to reproduce but I
haven't tried too hard just yet (was away from the HW) :

Allright, I have a repro-case, I'll dig.

Cheers,
Ben.