DAYS_REG_MSK 137 drivers/rtc/rtc-rk808.c tm->tm_mday = bcd2bin(rtc_data[3] & DAYS_REG_MSK); DAYS_REG_MSK 210 drivers/rtc/rtc-rk808.c alrm->time.tm_mday = bcd2bin(alrm_data[3] & DAYS_REG_MSK);