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Re: [PATCH v5 2/5] tick: Add freeze timer events

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On Fri, Jul 07, 2017 at 05:03:00PM -0700, Derek Basehore wrote:
> Adds a new feature to tick to schedule wakeups on a CPU during freeze.
> This won't fully wake up the system (devices are not resumed), but
> allow simple platform functionality to be run during freeze with
> little power impact.
> 
> This implementation allows an idle driver to setup a timer event with
> the clock event device when entering freeze by calling
> tick_set_freeze_event. Only one caller should exist for the function.
> 
> tick_freeze_event_expired is used to check if the timer went off when
> the CPU wakes.
> 
> The event is cleared by tick_clear_freeze_event.

Why? What's wrong with using the RTC stuff? RTC should be able to wake
suspended systems, see RTCWAKE(8).

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[PATCH v5 2/5] tick: Add freeze timer events Derek Basehore <dbasehore@chromium.org> - 2017-07-08 02:10 +0200
  Re: [PATCH v5 2/5] tick: Add freeze timer events Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-07-08 18:10 +0200
    Re: [PATCH v5 2/5] tick: Add freeze timer events "dbasehore ." <dbasehore@chromium.org> - 2017-07-10 23:20 +0200
  Re: [PATCH v5 2/5] tick: Add freeze timer events "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-10 15:10 +0200
  Re: [PATCH v5 2/5] tick: Add freeze timer events Thomas Gleixner <tglx@linutronix.de> - 2017-07-12 23:30 +0200
    Re: [PATCH v5 2/5] tick: Add freeze timer events "dbasehore ." <dbasehore@chromium.org> - 2017-07-13 03:20 +0200
      Re: [PATCH v5 2/5] tick: Add freeze timer events Thomas Gleixner <tglx@linutronix.de> - 2017-07-13 07:00 +0200
  Re: [PATCH v5 2/5] tick: Add freeze timer events Peter Zijlstra <peterz@infradead.org> - 2017-07-13 09:40 +0200
    Re: [PATCH v5 2/5] tick: Add freeze timer events "Rafael J. Wysocki" <rafael@kernel.org> - 2017-07-13 17:10 +0200
      Re: [PATCH v5 2/5] tick: Add freeze timer events "dbasehore ." <dbasehore@chromium.org> - 2017-07-14 01:00 +0200
        Re: [PATCH v5 2/5] tick: Add freeze timer events "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-15 14:50 +0200
          Re: [PATCH v5 2/5] tick: Add freeze timer events "dbasehore ." <dbasehore@chromium.org> - 2017-07-18 02:40 +0200
            Re: [PATCH v5 2/5] tick: Add freeze timer events "Rafael J. Wysocki" <rafael@kernel.org> - 2017-07-18 03:40 +0200
              Re: [PATCH v5 2/5] tick: Add freeze timer events "dbasehore ." <dbasehore@chromium.org> - 2017-07-18 06:00 +0200
                Re: [PATCH v5 2/5] tick: Add freeze timer events Thomas Gleixner <tglx@linutronix.de> - 2017-07-18 08:50 +0200

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