tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: bf9f243f23e6623f310ba03fbb14e10ec3a61290 commit: a1867f85e06edacd82956d3422caa2b9074f4321 mfd: Add Renesas Synchronization Management Unit (SMU) support date: 8 weeks ago config: powerpc64-randconfig-m031-20210910 (attached as .config) compiler: powerpc64le-linux-gcc (GCC) 11.2.0 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/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a1867f85e06edacd82956d3422caa2b9074f4321 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org