On Tue, 23 Apr 2013, 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.
Errm. How is schedule_delayed_work() related to this? schedule_delayed_work() is jiffies based and has absolutely nothing to do with clockevents. > This patch fixes the problem by increasing the min_delta to "2" ticks. This changelog sucks. > Signed-off-by: Marc Kleine-Budde <[email protected]> > --- > drivers/clocksource/tcb_clksrc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/clocksource/tcb_clksrc.c > b/drivers/clocksource/tcb_clksrc.c > index 8a61872..7cf6dc7 100644 > --- a/drivers/clocksource/tcb_clksrc.c > +++ b/drivers/clocksource/tcb_clksrc.c > @@ -197,7 +197,7 @@ static void __init setup_clkevents(struct atmel_tc *tc, > int clk32k_divisor_idx) > > clkevt.clkevt.cpumask = cpumask_of(0); > > - clockevents_config_and_register(&clkevt.clkevt, 32768, 1, 0xffff); > + clockevents_config_and_register(&clkevt.clkevt, 32768, 2, 0xffff); > > setup_irq(irq, &tc_irqaction); > } > -- > 1.8.2.rc2 > > > _______________________________________________ > linux-arm-kernel mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
