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Commit 654c8e0b authored by Arjan van de Ven's avatar Arjan van de Ven
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hrtimer: turn hrtimers into range timers



this patch turns hrtimers into range timers; they have 2 expire points
1) the soft expire point
2) the hard expire point

the kernel will do it's regular best effort attempt to get the timer run
at the hard expire point. However, if some other time fires after the soft
expire point, the kernel now has the freedom to fire this timer at this point,
and thus grouping the events and preventing a power-expensive wakeup in the
future.

Signed-off-by: default avatarArjan van de Ven <arjan@linux.intel.com>
parent 799b64de
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