M41T94_REG_WDAY 44 drivers/rtc/rtc-m41t94.c buf[M41T94_REG_WDAY] = bin2bcd(tm->tm_wday + 1); M41T94_REG_WDAY 86 drivers/rtc/rtc-m41t94.c tm->tm_wday = bcd2bin(spi_w8r8(spi, M41T94_REG_WDAY)) - 1;