RTC_INTERRUPTS
writeb(pdata->irqen ? RTC_INTS_AE : 0, ioaddr + RTC_INTERRUPTS);
writeb(0, ioaddr + RTC_INTERRUPTS);
writeb(pdata->irqen ? RTC_INTS_AIE : 0, ioaddr + RTC_INTERRUPTS);
writeb(0, ioaddr + RTC_INTERRUPTS);