130 static uint8_t rtc_read(int reg)  in rtc_read()  function
193 	value = rtc_read(RTC_DATA);  in rtc_mc146818_set_time()
232 	if (!(rtc_read(RTC_REG_D) & RTC_VRT_BIT)) {  in rtc_mc146818_get_time()
237 	while (rtc_read(RTC_UIP) & RTC_UIP_BIT) {  in rtc_mc146818_get_time()
241 	cent = rtc_read(RTC_CENTURY);  in rtc_mc146818_get_time()
242 	year = rtc_read(RTC_YEAR);  in rtc_mc146818_get_time()
243 	timeptr->tm_mon = rtc_read(RTC_MONTH) - 1;  in rtc_mc146818_get_time()
244 	timeptr->tm_mday = rtc_read(RTC_MDAY);  in rtc_mc146818_get_time()
245 	timeptr->tm_wday = rtc_read(RTC_WDAY) - 1;  in rtc_mc146818_get_time()
246 	timeptr->tm_hour = rtc_read(RTC_HOUR);  in rtc_mc146818_get_time()
247 	timeptr->tm_min = rtc_read(RTC_MIN);  in rtc_mc146818_get_time()
248 	timeptr->tm_sec = rtc_read(RTC_SEC);  in rtc_mc146818_get_time()
254 	value = rtc_read(RTC_DATA);  in rtc_mc146818_get_time()
345 	rtc_write(RTC_DATA, rtc_read(RTC_DATA) | RTC_AIE_BIT);  in rtc_mc146818_alarm_set_time()
373 	value = rtc_read(RTC_ALARM_SEC);  in rtc_mc146818_alarm_get_time()
379 	value = rtc_read(RTC_ALARM_MIN);  in rtc_mc146818_alarm_get_time()
385 	value = rtc_read(RTC_ALARM_HOUR);  in rtc_mc146818_alarm_get_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()
476 	regc = rtc_read(RTC_FLAG);  in rtc_mc146818_isr()