RTTM_BIT_COUNT - Linux

Symbol: RTTM_BIT_COUNT

drivers/clocksource/timer-rtl-otto.c

.mask = CLOCKSOURCE_MASK(RTTM_BIT_COUNT),

drivers/clocksource/timer-rtl-otto.c

sched_clock_register(rttm_read_clock, RTTM_BIT_COUNT, RTTM_TICKS_PER_SEC);