Hi Matt, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 833477fce7a14d43ae4c07f8ddc32fa5119471a2 commit: 4e6bedd3c396014ba70de2b4c9995c8e024e82b3 ASoC: codecs: add support for the TI SRC4392 codec date: 8 weeks ago config: hexagon-randconfig-r045-20221006 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) 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/torvalds/linux.git/commit/?id=4e6bedd3c396014ba70de2b4c9995c8e024e82b3 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4e6bedd3c396014ba70de2b4c9995c8e024e82b3 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash sound/soc/codecs/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> sound/soc/codecs/src4xxx-i2c.c:28:34: warning: unused variable 'src4xxx_of_match' [-Wunused-const-variable] static const struct of_device_id src4xxx_of_match[] = { ^ 1 warning generated. vim +/src4xxx_of_match +28 sound/soc/codecs/src4xxx-i2c.c 27 > 28 static const struct of_device_id src4xxx_of_match[] = { 29 { .compatible = "ti,src4392", }, 30 { } 31 }; 32 MODULE_DEVICE_TABLE(of, src4xxx_of_match); 33 34 -- 0-DAY CI Kernel Test Service https://01.org/lkp