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SubjectRe: RFC: [PATCH] clocksource: tcb: fix min_delta calculation
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).

regards,
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |

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