22 		      const struct cyclecounter *cc,  in timecounter_init()  argument
25 	tc->cc = cc;  in timecounter_init()
26 	tc->cycle_last = cc->read(cc);  in timecounter_init()
28 	tc->mask = (1ULL << cc->shift) - 1;  in timecounter_init()
50 	cycle_now = tc->cc->read(tc->cc);  in timecounter_read_delta()
53 	cycle_delta = (cycle_now - tc->cycle_last) & tc->cc->mask;  in timecounter_read_delta()
56 	ns_offset = cyclecounter_cyc2ns(tc->cc, cycle_delta,  in timecounter_read_delta()
82 static u64 cc_cyc2ns_backwards(const struct cyclecounter *cc,  in cc_cyc2ns_backwards()  argument
87 	ns = ((ns * cc->mult) - frac) >> cc->shift;  in cc_cyc2ns_backwards()
95 	u64 delta = (cycle_tstamp - tc->cycle_last) & tc->cc->mask;  in timecounter_cyc2time()
103 	if (delta > tc->cc->mask / 2) {  in timecounter_cyc2time()
104 		delta = (tc->cycle_last - cycle_tstamp) & tc->cc->mask;  in timecounter_cyc2time()
105 		nsec -= cc_cyc2ns_backwards(tc->cc, delta, tc->mask, frac);  in timecounter_cyc2time()
107 		nsec += cyclecounter_cyc2ns(tc->cc, delta, tc->mask, &frac);  in timecounter_cyc2time()