On Thu, Aug 04, 2011 at 06:44:37AM -0700, Deepak Saxena wrote: > +#define ACORN_TICK_RATE 2000000 > +#define ACORN_TIMER_LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ) And also these should all be DIV_ROUND_CLOSEST(xxx_TICK_RATE, HZ)