Hi Marcin, I love your patch! Yet something to improve: [auto build test ERROR on rafael-pm/linux-next] [also build test ERROR on robh/for-next linus/master v5.19-rc2 next-20220617] [cannot apply to horms-ipvs/master] [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/Marcin-Wojtas/ACPI-support-for-DSA/20220620-231646 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20220621/202206210649.QCsWk7fK-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-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/68a7a52989207bfe8640877c512c77ca233c3bba git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Marcin-Wojtas/ACPI-support-for-DSA/20220620-231646 git checkout 68a7a52989207bfe8640877c512c77ca233c3bba # 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=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: missing MODULE_LICENSE() in drivers/watchdog/gxp-wdt.o >> ERROR: modpost: "fwnode_find_net_device_by_node" [net/dsa/dsa_core.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp