Hi Matt, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Matt-Johnston/dt-bindings-i3c-Add-mctp-controller-property/20231004-111533 base: net-next/main patch link: https://lore.kernel.org/r/20231004031316.725107-4-matt%40codeconstruct.com.au patch subject: [PATCH net-next v4 3/3] mctp i3c: MCTP I3C driver config: x86_64-buildonly-randconfig-005-20231007 (https://download.01.org/0day-ci/archive/20231007/202310071339.iWeOdKQk-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231007/202310071339.iWeOdKQk-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/202310071339.iWeOdKQk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/net/mctp/mctp-i3c.c:13:0: >> drivers/net/mctp/mctp-i3c.c:710:12: error: initializer element is not constant I3C_CLASS(I3C_DCR_MCTP, NULL), ^ include/linux/i3c/device.h:166:10: note: in definition of macro 'I3C_CLASS' .dcr = _dcr, \ ^~~~ drivers/net/mctp/mctp-i3c.c:710:12: note: (near initialization for 'mctp_i3c_ids[0].dcr') I3C_CLASS(I3C_DCR_MCTP, NULL), ^ include/linux/i3c/device.h:166:10: note: in definition of macro 'I3C_CLASS' .dcr = _dcr, \ ^~~~ vim +710 drivers/net/mctp/mctp-i3c.c 708 709 static const struct i3c_device_id mctp_i3c_ids[] = { > 710 I3C_CLASS(I3C_DCR_MCTP, NULL), 711 { 0 }, 712 }; 713 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki