452 	u64 tsc, t1, t2, delta;  in pit_calibrate_tsc()  local
475 		delta = t2 - tsc;  in pit_calibrate_tsc()
477 		if ((unsigned long) delta < tscmin)  in pit_calibrate_tsc()
478 			tscmin = (unsigned int) delta;  in pit_calibrate_tsc()
479 		if ((unsigned long) delta > tscmax)  in pit_calibrate_tsc()
480 			tscmax = (unsigned int) delta;  in pit_calibrate_tsc()
497 	delta = t2 - t1;  in pit_calibrate_tsc()
498 	do_div(delta, ms);  in pit_calibrate_tsc()
499 	return delta;  in pit_calibrate_tsc()
577 	u64 tsc, delta;  in quick_pit_calibrate()  local
608 			if (!pit_expect_msb(0xff-i, &delta, &d2))  in quick_pit_calibrate()
611 			delta -= tsc;  in quick_pit_calibrate()
618 			    d1 + d2 >= (delta * MAX_QUICK_PIT_ITERATIONS) >> 11)  in quick_pit_calibrate()
624 			if (d1+d2 >= delta >> 11)  in quick_pit_calibrate()
656 	delta *= PIT_TICK_RATE;  in quick_pit_calibrate()
657 	do_div(delta, i*256*1000);  in quick_pit_calibrate()
659 	return delta;  in quick_pit_calibrate()
667 	u64 tsc1, tsc2, delta, ref1, ref2;  in native_calibrate_tsc()  local
750 		delta = ((u64) tsc_pit_min) * 100;  in native_calibrate_tsc()
751 		do_div(delta, tsc_ref_min);  in native_calibrate_tsc()
759 		if (delta >= 90 && delta <= 110) {  in native_calibrate_tsc()
1095 	u64 tsc_stop, ref_stop, delta;  in tsc_refine_calibration_work()  local
1128 	delta = tsc_stop - tsc_start;  in tsc_refine_calibration_work()
1129 	delta *= 1000000LL;  in tsc_refine_calibration_work()
1131 		freq = calc_hpet_ref(delta, ref_start, ref_stop);  in tsc_refine_calibration_work()
1133 		freq = calc_pmtimer_ref(delta, ref_start, ref_stop);  in tsc_refine_calibration_work()