[PATCH v3 5/7] clocksource/cadence_ttc: Use only one counter
soren.brinkmann at xilinx.com
Mon Feb 10 12:46:07 EST 2014
On Tue, Feb 04, 2014 at 09:41:53PM +0100, Thomas Gleixner wrote:
> On Mon, 3 Feb 2014, Soren Brinkmann wrote:
> > Currently the driver uses two of the three counters the TTC provides to
> > implement a clocksource and a clockevent device. By using the TTC's
> > match feature we can implement both use cases using a single counter
> > only.
> Are you entirely sure that this match feature is free of the infamous
> HPET match feature issues?
> See arch/x86/kernel/hpet.c: hpet_next_event()
> If yes, please add a comment. If no ....
Good catch. Looks like the comparator compares on == as well. So, I
assume it may show similar issues. I'll have to spend some more time
looking into this.
Thanks for applying the first two patches of the series.
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