cpu_pm breaks 3.2 boot on platforms with cascading GICs

[Will Deacon]

On Thu, Nov 24, 2011 at 04:38:43PM +0000, Marc Zyngier wrote:
> On 24/11/11 16:13, Will Deacon wrote:
> > 
> > I'm not sure how you want to handle this. Clearly you should only register one
> > notifier for the GIC, but it does need to handle the cascading situation
> > properly.
> > 
> > This affects current mainline, so we need a solution for 3.2.
> 
> I quickly hacked the attached patch, which allows me to boot on PB11MP.

Great, this fixes my boot problem, thanks! I can't confirm the cpu_pm stuff
works correctly, but it looks like the notifier walks all of the GICs
anyway.

Tested-by: Will Deacon <will.deacon at arm.com>

Will