Hi Crescent, kernel test robot noticed the following build errors: [auto build test ERROR on tty/tty-testing] [also build test ERROR on tty/tty-next tty/tty-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.6-rc4 next-20230929] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Crescent-CY-Hsieh/tty-serial-8250-Cleanup-MOXA-configurations-in-8250_pci-c/20231002-095945 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing patch link: https://lore.kernel.org/r/20231002015702.30509-5-crescentcy.hsieh%40moxa.com patch subject: [PATCH 4/4] tty: serial: 8250: Add support for MOXA PCIe boards to switch interface between RS422/RS485 config: sparc-allnoconfig (https://download.01.org/0day-ci/archive/20231002/202310021202.xDwDImQv-lkp@xxxxxxxxx/config) compiler: sparc-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231002/202310021202.xDwDImQv-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310021202.xDwDImQv-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/tty/serial/serial_core.c: In function 'uart_check_rs485_flags': >> drivers/tty/serial/serial_core.c:1302:60: error: 'SER_RS422_ENALBED' undeclared (first use in this function); did you mean 'SER_RS422_ENABLED'? 1302 | SER_RS485_TERMINATE_BUS | SER_RS422_ENALBED) | ^~~~~~~~~~~~~~~~~ drivers/tty/serial/serial_core.c:1309:19: note: in expansion of macro 'SER_RS485_LEGACY_FLAGS' 1309 | flags &= ~SER_RS485_LEGACY_FLAGS; | ^~~~~~~~~~~~~~~~~~~~~~ drivers/tty/serial/serial_core.c:1302:60: note: each undeclared identifier is reported only once for each function it appears in 1302 | SER_RS485_TERMINATE_BUS | SER_RS422_ENALBED) | ^~~~~~~~~~~~~~~~~ drivers/tty/serial/serial_core.c:1309:19: note: in expansion of macro 'SER_RS485_LEGACY_FLAGS' 1309 | flags &= ~SER_RS485_LEGACY_FLAGS; | ^~~~~~~~~~~~~~~~~~~~~~ vim +1302 drivers/tty/serial/serial_core.c 1299 1300 #define SER_RS485_LEGACY_FLAGS (SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | \ 1301 SER_RS485_RTS_AFTER_SEND | SER_RS485_RX_DURING_TX | \ > 1302 SER_RS485_TERMINATE_BUS | SER_RS422_ENALBED) 1303 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
