Hi Martin, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on pavel-leds/for-next] [also build test WARNING on robh/for-next krzk-dt/for-next v6.2] [cannot apply to linus/master next-20230301] [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/Martin-Kurbanov/dt-bindings-leds-add-binding-for-aw200xx/20230301-051348 base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next patch link: https://lore.kernel.org/r/20230228211046.109693-3-mmkurbanov%40sberdevices.ru patch subject: [PATCH v2 2/2] leds: add aw20xx driver config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230301/202303011345.29QIi1UF-lkp@xxxxxxxxx/config) compiler: sparc64-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/67ff1bda566825f286aa03653a54a5ca9bc98012 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Martin-Kurbanov/dt-bindings-leds-add-binding-for-aw200xx/20230301-051348 git checkout 67ff1bda566825f286aa03653a54a5ca9bc98012 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/ 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/202303011345.29QIi1UF-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/leds/leds-aw200xx.c:18: warning: expecting prototype for leds(). Prototype was for AW200XX_LEDS_MAX() instead vim +18 drivers/leds/leds-aw200xx.c 17 > 18 #define AW200XX_LEDS_MAX 72 19 #define AW200XX_PATTERN_MAX 3 20 #define AW200XX_DIM_MAX 0x3F 21 #define AW200XX_FADE_MAX 0xFF 22 #define AW200XX_IMAX_DEFAULT_MICROAMP 60000 23 #define AW200XX_IMAX_MAX_MICROAMP 160000 24 #define AW200XX_IMAX_MIN_MICROAMP 3300 25 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests