tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test head: 5811244192fc4e18c001c69300044c2acf30bd91 commit: 83f84041ff1cf6c23fc38861218af2d4ca2d9b38 [67/159] powerpc/83xx: Move PHB discovery config: powerpc-kmeter1_defconfig (attached as .config) compiler: powerpc-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/powerpc/linux.git/commit/... git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git git fetch --no-tags powerpc next-test git checkout 83f84041ff1cf6c23fc38861218af2d4ca2d9b38 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 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 >>): 183 | .discover_phbs = mpc83xx_setup_pci, | ^~~~~~~~~~~~~~~~~ | mpc83xx_setup_arch vim +183 arch/powerpc/platforms/83xx/km83xx.c 178 179 define_machine(mpc83xx_km) { 180 .name = "mpc83xx-km-platform", 181 .probe = mpc83xx_km_probe, 182 .setup_arch = mpc83xx_km_setup_arch, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org