Hi Peter, FYI, the error/warning still remains.

tree: https://github.com/thesofproject/linux merge/sound-upstream-20220111 head: 7446c50ebb128c85d61294a6c8000cf88e986fd8 commit: d5c4c30af5aa45fb574b8dec346db3ff5404146e [9/9] ASoC: SOF: Convert the generic probe support to SOF client config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220112/202201122244.5PSw0QJr-lk...) compiler: alpha-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://github.com/thesofproject/linux/commit/d5c4c30af5aa45fb574b8dec346... git remote add thesofproject https://github.com/thesofproject/linux git fetch --no-tags thesofproject plbossart-sound/merge/sound-upstream-20220111 git checkout d5c4c30af5aa45fb574b8dec346db3ff5404146e # 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=alpha SHELL=/bin/bash sound/soc/sof/intel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): >> sound/soc/sof/intel/hda-probes.c:147:1: warning: data definition has no type or storage class 147 | MODULE_IMPORT_NS(SND_SOC_SOF_CLIENT); | ^~~~~~~~~~~~~~~~ sound/soc/sof/intel/hda-probes.c:147:1: error: type defaults to 'int' in declaration of 'MODULE_IMPORT_NS' [-Werror=implicit-int] >> sound/soc/sof/intel/hda-probes.c:147:1: warning: parameter names (without types) in function declaration cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SND_AMD_ACP_CONFIG Depends on SOUND && !UML && SND && SND_SOC && SND_SOC_ACPI Selected by - SND_SOC_SOF_AMD_COMMON && SOUND && !UML && SND && SND_SOC && SND_SOC_SOF_TOPLEVEL && SND_SOC_SOF_AMD_TOPLEVEL vim +147 sound/soc/sof/intel/hda-probes.c 146 > 147 MODULE_IMPORT_NS(SND_SOC_SOF_CLIENT); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org