tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8006b911c90a4ec09958447d24c8a4c3538f5723 commit: 23f87fe82c0341ff79807fb5f92a05a33ce1b055 [7355/7806] pinctrl: renesas: r8a779[56]x: Add MediaLB pins config: sh-buildonly-randconfig-r002-20211014 (attached as .config) compiler: sh4-linux-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 23f87fe82c0341ff79807fb5f92a05a33ce1b055 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sh 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 >>): 5030 | static const char * const mlb_3pin_groups[] = { | ^~~~~~~~~~~~~~~ 2616 | static const unsigned int mlb_3pin_mux[] = { | ^~~~~~~~~~~~ 2613 | static const unsigned int mlb_3pin_pins[] = { | ^~~~~~~~~~~~~ cc1: all warnings being treated as errors -- 4807 | static const char * const mlb_3pin_groups[] = { | ^~~~~~~~~~~~~~~ 2460 | static const unsigned int mlb_3pin_mux[] = { | ^~~~~~~~~~~~ 2457 | static const unsigned int mlb_3pin_pins[] = { | ^~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/mlb_3pin_groups +5030 drivers/pinctrl/renesas/pfc-r8a77965.c 5029 5031 "mlb_3pin", 5032 }; 5033 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org