379 	u64 tsc, t1, t2, delta;  in pit_calibrate_tsc()  local
416 		delta = t2 - tsc;  in pit_calibrate_tsc()
418 		if ((unsigned long) delta < tscmin)  in pit_calibrate_tsc()
419 			tscmin = (unsigned int) delta;  in pit_calibrate_tsc()
420 		if ((unsigned long) delta > tscmax)  in pit_calibrate_tsc()
421 			tscmax = (unsigned int) delta;  in pit_calibrate_tsc()
438 	delta = t2 - t1;  in pit_calibrate_tsc()
439 	do_div(delta, ms);  in pit_calibrate_tsc()
440 	return delta;  in pit_calibrate_tsc()
518 	u64 tsc, delta;  in quick_pit_calibrate()  local
552 			if (!pit_expect_msb(0xff-i, &delta, &d2))  in quick_pit_calibrate()
555 			delta -= tsc;  in quick_pit_calibrate()
562 			    d1 + d2 >= (delta * MAX_QUICK_PIT_ITERATIONS) >> 11)  in quick_pit_calibrate()
568 			if (d1+d2 >= delta >> 11)  in quick_pit_calibrate()
600 	delta *= PIT_TICK_RATE;  in quick_pit_calibrate()
601 	do_div(delta, i*256*1000);  in quick_pit_calibrate()
603 	return delta;  in quick_pit_calibrate()
690 	u64 tsc1, tsc2, delta, ref1, ref2;  in pit_hpet_ptimer_calibrate_cpu()  local
760 		delta = ((u64) tsc_pit_min) * 100;  in pit_hpet_ptimer_calibrate_cpu()
761 		do_div(delta, tsc_ref_min);  in pit_hpet_ptimer_calibrate_cpu()
769 		if (delta >= 90 && delta <= 110) {  in pit_hpet_ptimer_calibrate_cpu()
1273 	u64 tsc_stop, ref_stop, delta;  in tsc_refine_calibration_work()  local
1307 	delta = tsc_stop - tsc_start;  in tsc_refine_calibration_work()
1308 	delta *= 1000000LL;  in tsc_refine_calibration_work()
1310 		freq = calc_hpet_ref(delta, ref_start, ref_stop);  in tsc_refine_calibration_work()
1312 		freq = calc_pmtimer_ref(delta, ref_start, ref_stop);  in tsc_refine_calibration_work()