tree: https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux.git wip/modules head: 4da58773abbca72869a452019b267f80bf4d466b commit: 7392c6bf1a44fdf2be4ce733bd37869c8d6622cc [5/14] HACK: pinctrl/meson: convert to modules (WIP: g12a only) config: arm-defconfig (attached as .config) compiler: arm-linux-gnueabi-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 git checkout 7392c6bf1a44fdf2be4ce733bd37869c8d6622cc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 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 >>, old ones prefixed by <<): WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/meson/pinctrl-meson8-pmx.o WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/meson/pinctrl-meson8.o WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/meson/pinctrl-meson8b.o --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org