CDNS_RTC_AEI_ALRM
if (!(readl(crtc->regs + CDNS_RTC_EFLR) & CDNS_RTC_AEI_ALRM))
writel(CDNS_RTC_AEI_ALRM, crtc->regs + CDNS_RTC_IENR);
writel(CDNS_RTC_AEI_ALRM, crtc->regs + CDNS_RTC_IDISR);