Hi Matt, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 094226ad94f471a9f19e8f8e7140a09c2625abaa commit: 4e6bedd3c396014ba70de2b4c9995c8e024e82b3 ASoC: codecs: add support for the TI SRC4392 codec date: 3 months ago config: x86_64-buildonly-randconfig-r003-20221114 compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=x86_64 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: 'src4xxx_of_match' defined but not used [-Wunused-const-variable=] 28 | static const struct of_device_id src4xxx_of_match[] = { | ^~~~~~~~~~~~~~~~ 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