tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8a11187eb62b8b910d2c5484e1f5d160e8b11eb4 commit: a1d1e0e3d80a870cc37a6c064994b89e963d2b58 [12089/13209] pinctrl: nuvoton: Add driver for WPCM450 config: m68k-buildonly-randconfig-r006-20220317 (https://download.01.org/0day-ci/archive/20220317/202203171404.ve7vpTGC-lkp@xxxxxxxxx/config) compiler: m68k-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/commit/?id=a1d1e0e3d80a870cc37a6c064994b89e963d2b58 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 a1d1e0e3d80a870cc37a6c064994b89e963d2b58 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/pinctrl/nuvoton/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): >> drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:470:26: error: array type has incomplete element type 'struct group_desc' 470 | static struct group_desc wpcm450_groups[] = { | ^~~~~~~~~~~~~~ In file included from include/linux/bits.h:22, from include/linux/ratelimit_types.h:5, from include/linux/ratelimit.h:5, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:12: drivers/pinctrl/nuvoton/pinctrl-wpcm450.c: In function 'wpcm450_get_groups_count': >> include/linux/build_bug.h:16:51: error: bit-field '<anonymous>' width not an integer constant 16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); }))) | ^ include/linux/compiler.h:258:33: note: in expansion of macro 'BUILD_BUG_ON_ZERO' 258 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) | ^~~~~~~~~~~~~~~~~ include/linux/kernel.h:55:59: note: in expansion of macro '__must_be_array' 55 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^~~~~~~~~~~~~~~ drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:820:16: note: in expansion of macro 'ARRAY_SIZE' 820 | return ARRAY_SIZE(wpcm450_groups); | ^~~~~~~~~~ drivers/pinctrl/nuvoton/pinctrl-wpcm450.c: In function 'wpcm450_get_group_name': >> drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:824:56: warning: parameter 'selector' set but not used [-Wunused-but-set-parameter] 824 | unsigned int selector) | ~~~~~~~~~~~~~^~~~~~~~ drivers/pinctrl/nuvoton/pinctrl-wpcm450.c: In function 'wpcm450_get_group_pins': drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:830:48: warning: parameter 'selector' set but not used [-Wunused-but-set-parameter] 830 | unsigned int selector, | ~~~~~~~~~~~~~^~~~~~~~ drivers/pinctrl/nuvoton/pinctrl-wpcm450.c: In function 'wpcm450_pinmux_set_mux': >> drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:888:48: warning: parameter 'group' set but not used [-Wunused-but-set-parameter] 888 | unsigned int group) | ~~~~~~~~~~~~~^~~~~ drivers/pinctrl/nuvoton/pinctrl-wpcm450.c: In function 'wpcm450_get_group_name': drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:827:1: error: control reaches end of non-void function [-Werror=return-type] 827 | } | ^ drivers/pinctrl/nuvoton/pinctrl-wpcm450.c: In function 'wpcm450_get_groups_count': drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:821:1: error: control reaches end of non-void function [-Werror=return-type] 821 | } | ^ At top level: drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:470:26: warning: 'wpcm450_groups' defined but not used [-Wunused-variable] 470 | static struct group_desc wpcm450_groups[] = { | ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +470 drivers/pinctrl/nuvoton/pinctrl-wpcm450.c 469 > 470 static struct group_desc wpcm450_groups[] = { 471 #define WPCM450_GRP(x) { .name = #x, .pins = x ## _pins, \ 472 .num_pins = ARRAY_SIZE(x ## _pins) } 473 WPCM450_GRPS 474 #undef WPCM450_GRP 475 }; 476 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
