Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended)

[Benjamin Herrenschmidt]

> The commit fixed the problem with sched_clock, but it does not fix
> problems where other parts of the kernel call timekeeping functions
> _AFTER_ timekeeping has been suspended.

Maybe we should use the PMU sysdev which is used for suspending
backlight stuff etc... to also suspend emitting of the input events.

Cheers,
Ben.