Messages in this thread | | | Date | Tue, 23 Apr 2013 21:44:50 +0800 | From | Shawn Guo <> | Subject | Re: RFC: [PATCH] clocksource: tcb: fix min_delta calculation |
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On Tue, Apr 23, 2013 at 03:11:33PM +0200, Marc Kleine-Budde wrote: > On 04/23/2013 03:08 PM, Marc Kleine-Budde wrote: > > The commit > > > > 77cc982 clocksource: use clockevents_config_and_register() where possible > > > > switches from manually calculating min_delta_ns (and others) and > > clockevents_register_device() to automatic calculation via > > clockevents_config_and_register(). During this conversation the "+ 1" in > > > > min_delta_ns = clockevent_delta2ns(1, &clkevt.clkevt) + 1; > > > > was lost. This leads to problems with schedule_delayed_work() with a delay of > > "1". Resulting in the work not scheduled in time. > > > > This patch fixes the problem by increasing the min_delta to "2" ticks. > > > > Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> > > The problem appears on at91sam9263. This patch successfully fixes the > problem and applies to current linus/master (post v3.9-rc8).
Thanks for the fixing, Marc.
Acked-by: Shawn Guo <shawn.guo@linaro.org>
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