40 #define KHZ	1000  macro
105  *              ns = cycles * (10^9 / (cpu_khz * 10^3))
106  *              ns = cycles * (10^6 / cpu_khz)
109  *              ns = cycles * (10^6 * SC / cpu_khz) / SC
117  *  We can use khz divisor instead of mhz to keep a better precision.
145 static void __set_cyc2ns_scale(unsigned long khz, int cpu, unsigned long long tsc_now)  in __set_cyc2ns_scale()  argument
158 	clocks_calc_mult_shift(&data.cyc2ns_mul, &data.cyc2ns_shift, khz,  in __set_cyc2ns_scale()
183 static void set_cyc2ns_scale(unsigned long khz, int cpu, unsigned long long tsc_now)  in set_cyc2ns_scale()  argument
190 	if (khz)  in set_cyc2ns_scale()
191 		__set_cyc2ns_scale(khz, cpu, tsc_now);  in set_cyc2ns_scale()
410 #define CAL_MS		10
422  * in kHz.
438 		udelay(10 * USEC_PER_MSEC);  in pit_calibrate_tsc()
439 		udelay(10 * USEC_PER_MSEC);  in pit_calibrate_tsc()
440 		udelay(10 * USEC_PER_MSEC);  in pit_calibrate_tsc()
441 		udelay(10 * USEC_PER_MSEC);  in pit_calibrate_tsc()
442 		udelay(10 * USEC_PER_MSEC);  in pit_calibrate_tsc()
480 	 * If the maximum is 10 times larger than the minimum,  in pit_calibrate_tsc()
483 	if (pitcnt < loopmin || tscmax > 10 * tscmin)  in pit_calibrate_tsc()
502  *    but we allow it to be much faster (by a factor of 10) or
645 	 * kHz = ticks / time-in-seconds / 1000;  in quick_pit_calibrate()
646 	 * kHz = (t2 - t1) / (I * 256 / PIT_TICK_RATE) / 1000  in quick_pit_calibrate()
647 	 * kHz = ((t2 - t1) * PIT_TICK_RATE) / (I * 256 * 1000)  in quick_pit_calibrate()
830 		 * If both calibration results are inside a 10% window  in pit_hpet_ptimer_calibrate_cpu()
946 	else if (abs(cpu_khz - tsc_khz) * 10 > tsc_khz)  in recalibrate_cpu_khz()
1096 	art_base_clk.freq_khz /= KHZ;  in detect_art()
1473 	else if (abs(cpu_khz - tsc_khz) * 10 > tsc_khz)  in determine_cpu_tsc_frequencies()
1480 		(unsigned long)cpu_khz / KHZ,  in determine_cpu_tsc_frequencies()
1481 		(unsigned long)cpu_khz % KHZ);  in determine_cpu_tsc_frequencies()
1485 			(unsigned long)tsc_khz / KHZ,  in determine_cpu_tsc_frequencies()
1486 			(unsigned long)tsc_khz % KHZ);  in determine_cpu_tsc_frequencies()
1493 	u64 lpj = (u64)tsc_khz * KHZ;  in get_loops_per_jiffy()
1539 			mark_tsc_unstable("could not calculate TSC khz");  in tsc_init()