Hi Rafał, I love your patch! Yet something to improve: [auto build test ERROR on next-20230317] [cannot apply to robh/for-next krzk-dt/for-next char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus linus/master v6.3-rc2 v6.3-rc1 v6.2 v6.3-rc2] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Rafa-Mi-ecki/dt-bindings-nvmem-layouts-add-fixed-layout/20230317-212948 patch link: https://lore.kernel.org/r/20230317132620.31142-4-zajec5%40gmail.com patch subject: [PATCH V4 3/4] nvmem: core: export nvmem_add_cells_from_of() config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20230318/202303180709.WSD6mSsu-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/70d21b7988db0cad28a2cb4b0d7f5d77d587a51f git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Rafa-Mi-ecki/dt-bindings-nvmem-layouts-add-fixed-layout/20230317-212948 git checkout 70d21b7988db0cad28a2cb4b0d7f5d77d587a51f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303180709.WSD6mSsu-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/rtc.h:18, from arch/powerpc/kernel/time.c:48: >> include/linux/nvmem-provider.h:230:12: error: 'nvmem_add_cells_from_of' defined but not used [-Werror=unused-function] 230 | static int nvmem_add_cells_from_of(struct nvmem_device *nvmem, struct device_node *np) | ^~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/nvmem_add_cells_from_of +230 include/linux/nvmem-provider.h 229 > 230 static int nvmem_add_cells_from_of(struct nvmem_device *nvmem, struct device_node *np) 231 { 232 return -EOPNOTSUPP; 233 } 234 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
