tree: https://git.kernel.org/pub/scm/linux/kernel/git/kabel/linux.git leds-trigger-hw-offload head: cf3d515b734a35b5deb94a1281d71c756bf33ed4 commit: cf3d515b734a35b5deb94a1281d71c756bf33ed4 [5/5] leds: turris-omnia: support HW offloading of the netdev trigger for WAN LED config: microblaze-randconfig-r031-20201030 (attached as .config) compiler: microblaze-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://git.kernel.org/pub/scm/linux/kernel/git/kabel/linux.git/commit/?i... git remote add kabel https://git.kernel.org/pub/scm/linux/kernel/git/kabel/linux.git git fetch --no-tags kabel leds-trigger-hw-offload git checkout cf3d515b734a35b5deb94a1281d71c756bf33ed4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 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 >>): microblaze-linux-ld: drivers/leds/leds-turris-omnia.o: in function `omnia_do_offload': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org