[PATCH 4.4-rt2] fix arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch

[Alexandre Belloni]

On 18/01/2016 at 21:24:28 +0100, Sebastian Andrzej Siewior wrote :
> > 
> > My understanding is that clockevents_exchange_device() changes the state
> > from detached to shutdown and so at that point the IRQ has never been
> > requested.
> 
> I see. So we get shutdown called twice while set_periodic was only
> called once. In that case I would suggest to have internal bookkeeping
> instead of relying on current core's behavior when it is time free the
> irq.
> 

Ok, I can do that. What should I base my patch on?

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com