tree: https://github.com/morimoto/linux fw-cleanup-2021-01-19-v1 head: 9dcb567a2d18cdc9984d16da266b963f5a8e045b commit: 9dcb567a2d18cdc9984d16da266b963f5a8e045b [137/137] card2 config: nds32-randconfig-r003-20210119 (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 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/morimoto/linux/commit/9dcb567a2d18cdc9984d16da266b963f... git remote add morimoto-linux https://github.com/morimoto/linux git fetch --no-tags morimoto-linux fw-cleanup-2021-01-19-v1 git checkout 9dcb567a2d18cdc9984d16da266b963f5a8e045b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 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 >>): sound/soc/generic/audio-graph-card2.c: In function 'graph_parse_daifmt': 396 | *bit_frame |= snd_soc_of_parse_daifmt_master(node, NULL, NULL, NULL); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | snd_soc_of_parse_card_name sound/soc/generic/audio-graph-card2.c:404:8: error: implicit declaration of function 'snd_soc_of_parse_daifmt'; did you mean 'snd_soc_of_parse_tdm_slot'? [-Werror=implicit-function-declaration] 404 | fmt = snd_soc_of_parse_daifmt(node, NULL); | ^~~~~~~~~~~~~~~~~~~~~~~ | snd_soc_of_parse_tdm_slot cc1: some warnings being treated as errors vim +396 sound/soc/generic/audio-graph-card2.c 389 390 static void graph_parse_daifmt(struct device_node *node, 391 unsigned int *daifmt, unsigned int *bit_frame) 392 { 393 unsigned fmt; 394 395 /* master: use "or" */ 397 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org