Hi Javier, kernel test robot noticed the following build errors: [auto build test ERROR on ac9a78681b921877518763ba0e89202254349d1b] url: https://github.com/intel-lab-lkp/linux/commits/Javier-Carrasco/Input-ts-overlay-Add-touchscreen-overlay-object-handling/20230616-153203 base: ac9a78681b921877518763ba0e89202254349d1b patch link: https://lore.kernel.org/r/20230510-feature-ts_virtobj_patch-v3-3-b4fb7fc4bab7%40wolfvision.net patch subject: [PATCH v3 3/4] Input: st1232 - add overlay touchscreen and buttons handling config: microblaze-randconfig-r051-20230625 (https://download.01.org/0day-ci/archive/20230627/202306271711.B8sjkaYH-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230627/202306271711.B8sjkaYH-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/202306271711.B8sjkaYH-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "ts_overlay_is_button_slot" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_button_press" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_mt_on_touchscreen" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_mapped_buttons" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_button_release" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_map_objects" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_mapped_touchscreen" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_get_touchscreen_abs" [drivers/input/touchscreen/st1232.ko] undefined! >> ERROR: modpost: "ts_overlay_set_button_caps" [drivers/input/touchscreen/st1232.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki