Hi "Rafał, I love your patch! Perhaps something to improve: [auto build test WARNING on mtd/mtd/next] [also build test WARNING on mtd/mtd/fixes robh/for-next v5.11-rc7 next-20210211] [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/Rafa-Mi-ecki/dt-bindings-mtd-mov... base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next config: nds32-randconfig-r014-20210209 (attached as .config) compiler: nds32le-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/4453a81e3dd814c506fc96674433702c2... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Rafa-Mi-ecki/dt-bindings-mtd-move-partition-binding-to-its-own-file/20210212-002803 git checkout 4453a81e3dd814c506fc96674433702c2a25a3c8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 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 >>): 45 | int bcm4908_partitions_post_parse(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/bcm4908_partitions_post_parse +45 drivers/mtd/parsers/bcm4908-partitions.c 44 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org