*
* hpet period is in femto seconds per cycle
* so we need to convert this to ns/cyc units
- * aproximated by mult/2^shift
+ * approximated by mult/2^shift
*
* fsec/cyc * 1nsec/1000000fsec = nsec/cyc = mult/2^shift
* fsec/cyc * 1ns/1000000fsec * 2^shift = mult