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-move-partition-binding-to-its-own-file/20210212-002803 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next config: x86_64-randconfig-a015-20210209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/4453a81e3dd814c506fc96674433702c2a25a3c8 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=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/mtd/parsers/bcm4908-partitions.c:45:5: warning: no previous prototype for function 'bcm4908_partitions_post_parse' [-Wmissing-prototypes] int bcm4908_partitions_post_parse(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts) ^ drivers/mtd/parsers/bcm4908-partitions.c:45:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int bcm4908_partitions_post_parse(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts) ^ static 1 warning generated. vim +/bcm4908_partitions_post_parse +45 drivers/mtd/parsers/bcm4908-partitions.c 44 > 45 int bcm4908_partitions_post_parse(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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