timer_of_period
writel(timer_of_period(to) - 1, timer_of_base(to) + OSTM_CMP);
ls1x_clocksource.ticks_per_jiffy = timer_of_period(to);
ls1x_pwmtimer_set_period(timer_of_period(to), to);
msc313e_timer_setup(timer_of_base(timer), timer_of_period(timer));
writel(timer_of_period(to), timer_of_base(to) + NPCM7XX_REG_TICR0);
sprd_timer_update_counter(timer_of_base(to), timer_of_period(to));
return stm32_clock_event_set_next_event(timer_of_period(to), clkevt);
sun4i_clkevt_time_setup(timer_of_base(to), 0, timer_of_period(to));
unsigned long period = timer_of_period(to_timer_of(evt));