clocksource: Provide a generic mult/shift factor calculation

[safe/jmp/linux-2.6] / include / linux / clockchips.h

diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 3b58410..4d438b0 100644 (file)
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -130,6 +130,13 @@ extern int clockevents_program_event(struct clock_event_device *dev,
 
 extern void clockevents_handle_noop(struct clock_event_device *dev);
 
+static inline void
+clockevents_calc_mult_shift(struct clock_event_device *ce, u32 freq, u32 minsec)
+{
+       return clocks_calc_mult_shift(&ce->mult, &ce->shift, NSEC_PER_SEC,
+                                     freq, minsec);
+}
+
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 extern void clockevents_notify(unsigned long reason, void *arg);
 #else