tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19 head: 135a513f1910d5b800e8925beb4eae7c1555a823 commit: addde50096b4c5ce78cc645242bf95c002953aba [7/13] CHROMIUM: drm/evdi: Listen to usb add/delete notifications config: arm64-randconfig-r024-20210219 (attached as .config) compiler: aarch64-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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-4.19 git checkout addde50096b4c5ce78cc645242bf95c002953aba # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 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 >>): aarch64-linux-ld: drivers/gpu/drm/evdi/evdi_drv.o: in function `add_store': evdi_drv.c:(.text+0x5c0): undefined reference to `usb_for_each_dev' evdi_drv.c:(.text+0x5c0): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `usb_for_each_dev' aarch64-linux-ld: drivers/gpu/drm/evdi/evdi_drv.o: in function `evdi_exit': evdi_drv.c:(.exit.text+0x28): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `usb_unregister_notify' aarch64-linux-ld: drivers/gpu/drm/evdi/evdi_drv.o: in function `evdi_init': evdi_drv.c:(.init.text+0x48): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `usb_register_notify' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org