On Sat, 2007-05-05 at 19:24 +0200, Andi Kleen wrote: > > if (!is_hpet_capable()) > > @@ -278,6 +279,14 @@ int __init hpet_enable(void) > > /* Start the counter */ > > hpet_start_counter(); > > > > + /* Verify whether hpet counter works */ > > + t1 = hpet_read(); > > + udelay(50); > > Are you sure udelay is calibrated at this point? I didn't think so. > In fact it needs the external clocks and it's a chicken and egg problem.
Oops. You are right. OTOH it does not matter whether it is accurate or not. > It might be safer to use a long loop with io port accesses or similar. Should work as well. tglx - 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/