Hi Ansuel, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on mtd/mtd/next] [also build test ERROR on mtd/mtd/fixes robh/for-next v5.16 next-20220120] [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/Ansuel-Smith/Add-nvmem-support-f... base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next config: arc-randconfig-r043-20220120 (https://download.01.org/0day-ci/archive/20220121/202201211003.6NTRXP9H-lk...) compiler: arc-elf-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://github.com/0day-ci/linux/commit/e0b2803ed83327a84dc5e92fbb2f2d704... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ansuel-Smith/Add-nvmem-support-for-dynamic-partitions/20220121-042801 git checkout e0b2803ed83327a84dc5e92fbb2f2d704748e08f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc 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 errors (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org