MONTHS_REG_MSK 138 drivers/rtc/rtc-rk808.c tm->tm_mon = (bcd2bin(rtc_data[4] & MONTHS_REG_MSK)) - 1; MONTHS_REG_MSK 211 drivers/rtc/rtc-rk808.c alrm->time.tm_mon = (bcd2bin(alrm_data[4] & MONTHS_REG_MSK)) - 1;