diff -uprN -X rt/Documentation/dontdiff rt/include/linux/clockchips.h rt_new/include/linux/clockchips.h
--- rt/include/linux/clockchips.h	2006-07-12 11:35:52.000000000 +0000
+++ rt_new/include/linux/clockchips.h	2006-07-12 14:39:14.000000000 +0000
@@ -90,7 +90,19 @@ struct clock_event {
 	void *priv;
 };
 
+static inline u32 clockevent_hz2mult(u32 hz, u32 shift)
+{
+	u64 tmp = (u64) hz << shift;
+	do_div(tmp, 1000000000);
+	return (u32) tmp;
+}
 
+static inline u32 clockevent_khz2mult(u32 khz, u32 shift)
+{
+	u64 tmp = (u64) khz << shift;
+	do_div(tmp, 1000000);
+	return (u32) tmp;
+}
 
 /*
  * Calculate a multiplication factor with shift=32