tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ffeb595d84811dde16a28b33d8a7cf26d51d51b3 commit: 33901f5b9b16d212ee58865e9e8e80fc813f12da ASoC: meson: add t9015 internal DAC driver date: 3 months ago config: x86_64-randconfig-r033-20200531 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 2388a096e7865c043e83ece4e26654bd3d1a20d5) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 33901f5b9b16d212ee58865e9e8e80fc813f12da # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): >> sound/soc/meson/t9015.c:315:34: warning: unused variable 't9015_ids' [-Wunused-const-variable] static const struct of_device_id t9015_ids[] = { ^ 1 warning generated. vim +/t9015_ids +315 sound/soc/meson/t9015.c 314 > 315 static const struct of_device_id t9015_ids[] = { 316 { .compatible = "amlogic,t9015", }, 317 { } 318 }; 319 MODULE_DEVICE_TABLE(of, t9015_ids); 320

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