LPC32XX_RTC_CTRL_CNTR_DIS
LPC32XX_RTC_CTRL_CNTR_DIS |
rtc_writel(rtc, LPC32XX_RTC_CTRL, tmp | LPC32XX_RTC_CTRL_CNTR_DIS);
rtc_writel(rtc, LPC32XX_RTC_CTRL, tmp &= ~LPC32XX_RTC_CTRL_CNTR_DIS);