rtc_delayed_write
rtc_delayed_write(0, rtc, RTC_CONF_TEST);
rtc_delayed_write(0, rtc, RTC_TIME);
rtc_delayed_write(SOC_RTC_ALARM1 | SOC_RTC_ALARM2, rtc,
rtc_delayed_write(RTC_NOMINAL_TIMING, rtc, RTC_CCR);
rtc_delayed_write(time, rtc, RTC_TIME);
rtc_delayed_write(time, rtc, reg);
rtc_delayed_write(RTC_IRQ_AL_EN, rtc, reg_irq);
rtc_delayed_write(RTC_IRQ_AL_EN, rtc, reg_irq);
rtc_delayed_write(0, rtc, reg_irq);
rtc_delayed_write(0, rtc, reg_irq);
rtc_delayed_write(1 << rtc->data->alarm, rtc, RTC_STATUS);
rtc_delayed_write(ccr, rtc, RTC_CCR);