Hi AngeloGioacchino, Thank you for the patch! Yet something to improve: [auto build test ERROR on dtor-input/next] [also build test ERROR on linus/master v5.19-rc5 next-20220705] [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] url: https://github.com/intel-lab-lkp/linux/commits/AngeloGioacchino-Del-Regno/Input-mtk-pmic-keys-Add-support-for-MT6331-PMIC-keys/20220706-181323 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next config: arc-randconfig-r043-20220703 (https://download.01.org/0day-ci/archive/20220706/202207061915.tYTQKEhu-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/5e286347fa7c13c4674f97ed475e4f42a49ce5b4 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review AngeloGioacchino-Del-Regno/Input-mtk-pmic-keys-Add-support-for-MT6331-PMIC-keys/20220706-181323 git checkout 5e286347fa7c13c4674f97ed475e4f42a49ce5b4 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/input/keyboard/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/input/keyboard/mtk-pmic-keys.c:12:10: fatal error: linux/mfd/mt6331/registers.h: No such file or directory 12 | #include <linux/mfd/mt6331/registers.h> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. vim +12 drivers/input/keyboard/mtk-pmic-keys.c > 12 #include <linux/mfd/mt6331/registers.h> 13 #include <linux/mfd/mt6358/registers.h> 14 #include <linux/mfd/mt6397/core.h> 15 #include <linux/mfd/mt6397/registers.h> 16 #include <linux/module.h> 17 #include <linux/of_device.h> 18 #include <linux/of.h> 19 #include <linux/platform_device.h> 20 #include <linux/regmap.h> 21 -- 0-DAY CI Kernel Test Service https://01.org/lkp