On Fri, Sep 21, 2007 at 02:59:31PM +1000, Paul Mackerras wrote: > Daniel Walker writes: > > > I don't think the RTC frequency isn't the same as the timebase? Seems > > like the RTC only case about seconds at the lowest level. If that's the > > case then the jiffies clock might be better to use .. The other thing I > > wonder is if the __USE_RTC boards might have lower level clocks that > > could be used instead .. > > It's OK, the RTC isn't what you think it is, it's a pair of > CPU-internal registers which count seconds and nanoseconds. On > processors with the RTC, tb_ticks_per_sec is initialized to > 1000000000. Trust me, this code is OK. :) Indeed.. I'm wondering if we should do a s/rtc/ppc601rtc/ or something. Otherwise people will keep making this mistake and be confused. -- 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
