rtc_current 36 arch/mips/generic/board-ranchu.c u64 rtc_start, rtc_current, rtc_delta; rtc_current 58 arch/mips/generic/board-ranchu.c rtc_current = read_rtc_time(rtc_base); rtc_current 59 arch/mips/generic/board-ranchu.c rtc_delta = rtc_current - rtc_start;