On Wed, Sep 19, 2007 at 06:54:41PM -0700, Daniel Walker wrote: > On Thu, 2007-09-20 at 11:46 +1000, Paul Mackerras wrote: > > Daniel Walker writes: > > > > > On Thu, 2007-09-20 at 10:52 +1000, Paul Mackerras wrote: > > > > Daniel Walker writes: > > > > > > > > > If you switch to the rtc do the shift and mult need to change? > > > > > > > > You can't switch; any given CPU chip will have either the RTC or the > > > > timebase but not both. > > > > > > The code is switching between to clock read functions .. If they are > > > > What part of "you can't switch" wasn't clear? __USE_RTC() is a > > constant on any given machine. > > Maybe say "It a constant" up front .. The value that is output from the > clocksource read is converted to nanoseconds .. This clocksource is only > designed to work with the timebase, so it doesn't make sense to output > an rtc value. I believe "rtc" in a 601 context means something different to "rtc" in a general context... -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
