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On Thu, Jun 12, 2003 at 12:32:01AM +0300, Mika Penttilä wrote: > /* > + * Read the period, compute tick and quotient. > + */ > + > + id = hpet_readl(HPET_ID); > + > + if (!(id & HPET_ID_VENDOR) || !(id & HPET_ID_NUMBER) || > + !(id & HPET_ID_LEGSUP)) > + return -1; > + > + hpet_period = hpet_readl(HPET_PERIOD); > + if (hpet_period < 100000 || hpet_period > 100000000) > + return -1; > + > > > Line below seems to be wrong, given hpet period is in fsecs. > > > + hpet_tick = (tick_nsec + hpet_period / 2) / hpet_period; Yes, it should be: hpet_tick = (1000000000L * (USECS_PER_SEC/HZ) + hpet_period / 2) / hpet_period; > > > > > > --Mika > > > > > -- Vojtech Pavlik SuSE Labs, SuSE CR - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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