140 static void rtc_write(int reg, uint8_t value)  in rtc_write()  function
194 	rtc_write(RTC_DATA, value | RTC_UCI_BIT);  in rtc_mc146818_set_time()
199 	rtc_write(RTC_SEC, (uint8_t)timeptr->tm_sec);  in rtc_mc146818_set_time()
200 	rtc_write(RTC_MIN, (uint8_t)timeptr->tm_min);  in rtc_mc146818_set_time()
201 	rtc_write(RTC_HOUR, (uint8_t)timeptr->tm_hour);  in rtc_mc146818_set_time()
202 	rtc_write(RTC_WDAY, (uint8_t)timeptr->tm_wday);  in rtc_mc146818_set_time()
203 	rtc_write(RTC_MDAY, (uint8_t)timeptr->tm_mday);  in rtc_mc146818_set_time()
204 	rtc_write(RTC_MONTH, (uint8_t)timeptr->tm_mon + 1);  in rtc_mc146818_set_time()
205 	rtc_write(RTC_YEAR, year);  in rtc_mc146818_set_time()
206 	rtc_write(RTC_CENTURY, cent);  in rtc_mc146818_set_time()
209 	rtc_write(RTC_DATA, value);  in rtc_mc146818_set_time()
329 		rtc_write(RTC_ALARM_SEC, timeptr->tm_sec);  in rtc_mc146818_alarm_set_time()
331 		rtc_write(RTC_ALARM_SEC, RTC_ALARM_DC);  in rtc_mc146818_alarm_set_time()
335 		rtc_write(RTC_ALARM_MIN, timeptr->tm_min);  in rtc_mc146818_alarm_set_time()
337 		rtc_write(RTC_ALARM_SEC, RTC_ALARM_DC);  in rtc_mc146818_alarm_set_time()
340 		rtc_write(RTC_ALARM_HOUR, timeptr->tm_hour);  in rtc_mc146818_alarm_set_time()
342 		rtc_write(RTC_ALARM_SEC, RTC_ALARM_DC);  in rtc_mc146818_alarm_set_time()
345 	rtc_write(RTC_DATA, rtc_read(RTC_DATA) | RTC_AIE_BIT);  in rtc_mc146818_alarm_set_time()
413 		rtc_write(RTC_DATA, (rtc_read(RTC_DATA) | RTC_AIE_BIT));  in rtc_mc146818_alarm_set_callback()
416 		rtc_write(RTC_DATA, (rtc_read(RTC_DATA) & (~RTC_AIE_BIT)));  in rtc_mc146818_alarm_set_callback()
455 		rtc_write(RTC_DATA, (rtc_read(RTC_DATA) | RTC_UIE_BIT));  in rtc_mc146818_update_set_callback()
458 		rtc_write(RTC_DATA, (rtc_read(RTC_DATA) & (~RTC_UIE_BIT)));  in rtc_mc146818_update_set_callback()
517 		rtc_write(RTC_REG_A,						\
521 		rtc_write(RTC_REG_B, RTC_DMODE_BIT | RTC_HFORMAT_BIT);		\