Hi Robert, FYI, the error/warning still remains. tree: https://github.com/Freescale/linux-fslc pr/391 head: 48afde5dc8ee425a1517ac38d6eca0fec76ad57e commit: e15e046b8fceb6ae7c94d0ad78ef00a7432efb7b [12917/19640] MLK-24334-1: drm/panel: Add support for WKS-101WX001-WCT parallel display config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/Freescale/linux-fslc/commit/e15e046b8fceb6ae7c94d0ad78... git remote add freescale-fslc https://github.com/Freescale/linux-fslc git fetch --no-tags freescale-fslc pr/391 git checkout e15e046b8fceb6ae7c94d0ad78ef00a7432efb7b # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/gpu/drm/panel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/panel/panel-wks-101wx001.c:10: 216 | MODULE_DEVICE_TABLE(of, platform_of_match); | ^~~~~~~~~~~~~~~~~ include/linux/module.h:227:15: note: in definition of macro 'MODULE_DEVICE_TABLE' 227 | extern typeof(name) __mod_##type##__##name##_device_table \ | ^~~~ 227 | extern typeof(name) __mod_##type##__##name##_device_table \ | ^~~~~~ drivers/gpu/drm/panel/panel-wks-101wx001.c:216:1: note: in expansion of macro 'MODULE_DEVICE_TABLE' 216 | MODULE_DEVICE_TABLE(of, platform_of_match); | ^~~~~~~~~~~~~~~~~~~ vim +/platform_of_match +216 drivers/gpu/drm/panel/panel-wks-101wx001.c 211 212 static const struct of_device_id wks_of_match[] = { 213 { .compatible = "wks,101wx001", }, 214 { /* sentinel */ } 215 }; 217 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org