Messages in this thread | | | Subject | Re: [PATCH 6/6 v6] SGI RTC: add clocksource driver | From | john stultz <> | Date | Tue, 03 Mar 2009 12:01:32 -0800 |
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On Tue, 2009-03-03 at 09:22 -0600, Dimitri Sivanich wrote: > This patch provides a driver for SGI RTC clocks and timers. > > This provides a high resolution clock and timer source using the SGI > system-wide synchronized RTC clock/timer hardware. > > Signed-off-by: Dimitri Sivanich <sivanich@sgi.com> > > --- > > Implemented suggested changes and refreshed for latest -tip. > > drivers/clocksource/Makefile | 1 > drivers/clocksource/rtc_uv.c | 381 +++++++++++++++++++++++++++++++++++++++ > drivers/misc/Kconfig | 9 > 3 files changed, 391 insertions(+) [snip] > + > +static struct clocksource clocksource_uv = { > + .name = RTC_NAME, > + .rating = 400, > + .read = uv_read_rtc, > + .mask = (cycle_t)UVH_RTC_REAL_TIME_CLOCK_MASK, > + .shift = 10,
What is the expected value for sn_rtc_cycles_per_second ?
I ask because a shift value of 10 seems a bit low. It could very well be appropriate, but I just wanted to check.
thanks -john
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