RX4581_REG_DW 153 drivers/rtc/rtc-rx4581.c tm->tm_wday = ilog2(date[RX4581_REG_DW] & 0x7F); RX4581_REG_DW 195 drivers/rtc/rtc-rx4581.c buf[RX4581_REG_DW+1] = (0x1 << tm->tm_wday);