tree: https://github.com/intel/linux-intel-lts.git 5.10/yocto head: deff0e4b25b3ddd1792dede67243c2f5cce226f2 commit: 877fd5abd34ac2b6abb205f0e8fd194924dec359 [1/3] ASoC: Intel: tgl: add tgl-rt1308 machine driver config: x86_64-randconfig-r002-20211118 (attached as .config) 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/linux-intel-lts/commit/877fd5abd34ac2b6abb205f0e... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.10/yocto git checkout 877fd5abd34ac2b6abb205f0e8fd194924dec359 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 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 >>): static const struct snd_soc_acpi_link_adr tgl_i2s_rt1308[] = { ^ 1 warning generated. vim +/tgl_i2s_rt1308 +185 sound/soc/intel/common/soc-acpi-intel-tgl-match.c 44751fc5f0de07 Pierre-Louis Bossart 2020-08-21 184 d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 @185 static const struct snd_soc_acpi_link_adr tgl_i2s_rt1308[] = { d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 186 { d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 187 .mask = BIT(0), d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 188 .num_adr = ARRAY_SIZE(rt711_0_adr), 004bd4163104e4 Pierre-Louis Bossart 2020-03-25 189 .adr_d = rt711_0_adr, d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 190 }, d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 191 {} d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 192 }; d985d208bf8f07 Pierre-Louis Bossart 2020-01-10 193 :::::: The code at line 185 was first introduced by commit :::::: d985d208bf8f079979f284864a6d08900597ee04 ASoC: Intel: common: add match tables for TGL w/ SoundWire :::::: TO: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com&gt; :::::: CC: Mark Brown <broonie(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org