Hi "Ronald, Thank you for the patch! Yet something to improve: [auto build test ERROR on hid/for-next] [also build test ERROR on iio/togreg jikos-trivial/for-next v5.11 next-20210226] [cannot apply to jikos-hid/for-next] [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/0day-ci/linux/commits/Ronald-Tschal-r/Touch-Bar-and-AL... base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next config: microblaze-randconfig-r011-20210228 (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://github.com/0day-ci/linux/commit/cfbb470c2977fd10aef2791b57bdfa2d9... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ronald-Tschal-r/Touch-Bar-and-ALS-support-for-MacBook-Pro-s/20210228-093451 git checkout cfbb470c2977fd10aef2791b57bdfa2d95f627e0 # 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/hid/apple-touchbar.o: in function `appletb_clear_iface_info': microblaze-linux-ld: drivers/hid/apple-touchbar.o: in function `appletb_send_usb_ctrl.isra.0': microblaze-linux-ld: drivers/hid/apple-touchbar.o: in function `appletb_probe': microblaze-linux-ld: drivers/hid/apple-touchbar.o: in function `appletb_set_tb_worker': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org