RTC_IRQMASK
hpet_mask_rtc_irq_bit(RTC_IRQMASK);
return rtc_intr & RTC_IRQMASK;
cmos_irq_disable(&cmos_rtc, RTC_IRQMASK);
mask = RTC_IRQMASK & ~RTC_AIE;
mask = RTC_IRQMASK;
if (tmp & RTC_IRQMASK) {
hpet_set_rtc_irq_bit(tmp & RTC_IRQMASK);
mask &= (tmp & RTC_IRQMASK) | RTC_IRQF;
rtc_intr &= (rtc_control & RTC_IRQMASK) | RTC_IRQF;
irqstat &= (rtc_control & RTC_IRQMASK) | RTC_IRQF;
irqstat &= (cmos_rtc.suspend_ctrl & RTC_IRQMASK) | RTC_IRQF;