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

From	Alexandre Belloni <alexandre.belloni@free-electrons.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 4.4-rt2] fix arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch
Date	2016-01-19 02:30 +0100
Message-ID	<qStho-zi-1@gated-at.bofh.it> (permalink)
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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

Thread

[PATCH 4.4-rt2] fix arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2016-01-17 03:30 +0100
  Re: [PATCH 4.4-rt2] fix  arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-18 18:30 +0100
    Re: [PATCH 4.4-rt2] fix  arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2016-01-18 19:50 +0100
      Re: [PATCH 4.4-rt2] fix  arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-18 21:30 +0100
        Re: [PATCH 4.4-rt2] fix  arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2016-01-19 02:30 +0100
      Re: [PATCH 4.4-rt2] fix  arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch Thomas Gleixner <tglx@linutronix.de> - 2016-01-20 12:10 +0100

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