Lines Matching refs:delta
443 u64 tsc, t1, t2, delta; in pit_calibrate_tsc() local
466 delta = t2 - tsc; in pit_calibrate_tsc()
468 if ((unsigned long) delta < tscmin) in pit_calibrate_tsc()
469 tscmin = (unsigned int) delta; in pit_calibrate_tsc()
470 if ((unsigned long) delta > tscmax) in pit_calibrate_tsc()
471 tscmax = (unsigned int) delta; in pit_calibrate_tsc()
488 delta = t2 - t1; in pit_calibrate_tsc()
489 do_div(delta, ms); in pit_calibrate_tsc()
490 return delta; in pit_calibrate_tsc()
568 u64 tsc, delta; in quick_pit_calibrate() local
599 if (!pit_expect_msb(0xff-i, &delta, &d2)) in quick_pit_calibrate()
605 delta -= tsc; in quick_pit_calibrate()
606 if (d1+d2 >= delta >> 11) in quick_pit_calibrate()
638 delta *= PIT_TICK_RATE; in quick_pit_calibrate()
639 do_div(delta, i*256*1000); in quick_pit_calibrate()
641 return delta; in quick_pit_calibrate()
649 u64 tsc1, tsc2, delta, ref1, ref2; in native_calibrate_tsc() local
732 delta = ((u64) tsc_pit_min) * 100; in native_calibrate_tsc()
733 do_div(delta, tsc_ref_min); in native_calibrate_tsc()
741 if (delta >= 90 && delta <= 110) { in native_calibrate_tsc()
1077 u64 tsc_stop, ref_stop, delta; in tsc_refine_calibration_work() local
1110 delta = tsc_stop - tsc_start; in tsc_refine_calibration_work()
1111 delta *= 1000000LL; in tsc_refine_calibration_work()
1113 freq = calc_hpet_ref(delta, ref_start, ref_stop); in tsc_refine_calibration_work()
1115 freq = calc_pmtimer_ref(delta, ref_start, ref_stop); in tsc_refine_calibration_work()