DIV_ROUND_CLOSEST_ULL
diff = DIV_ROUND_CLOSEST_ULL(diff_ns, framedur_ns);
diff = DIV_ROUND_CLOSEST_ULL(diff_ns, framedur_ns);
return DIV_ROUND_CLOSEST_ULL(res, 1000);
clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m,
m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p *
target_val = DIV_ROUND_CLOSEST_ULL(target_val, source_max - source_min);