IRQ #0 broken on ARM

Fri Nov 21 02:34:56 PST 2014

On Fri, Nov 21, 2014 at 02:31:05PM +0400, Dmitry Eremin-Solenikov wrote:
> Hello,
> 
> After the commit a71b092a9c68685a270ebdde7b5986ba8787e575
> (ARM: Convert handle_IRQ to use __handle_domain_irq) IRQ #0 is broken
> on ARM. It is a valid IRQ and it is quite imporant (on sa1100 it's a GPIO0).

No, it is not a valid IRQ.  (It was a mistake to think it was.)
Generic code will always assume IRQ0 is not valid, and the fix is to
fix the places in ARM where we try to use it.

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