On 09/01/2023 03:00, kernel test robot wrote: > Hi, > Thank you for the patch! Yet something to improve: > [auto build test ERROR on 1f5abbd77e2c1787e74b7c2caffac97def78ba52] > url: https://github.com/intel-lab-lkp/linux/commits/wangweidong-a-awinic-com/ASoC-codecs-Add-i2c-and-codec-registration-for-aw883xx-and-their-associated-operation-functions/20230106-113130 > base: 1f5abbd77e2c1787e74b7c2caffac97def78ba52 > patch link: https://lore.kernel.org/r/20230106032835.141918-5-wangweidong.a%40awinic.com > patch subject: [PATCH V9 4/5] ASoC: codecs: Aw883xx chip register file, data type file and Kconfig Makefile > config: arm64-randconfig-r034-20230109 > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 8d9828ef5aa9688500657d36cd2aefbe12bbd162) > 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 arm64 cross compiling tool for clang build > # apt-get install binutils-aarch64-linux-gnu > # https://github.com/intel-lab-lkp/linux/commit/63bed80c0eacb29f78eb53987b34863bafd48cee > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review wangweidong-a-awinic-com/ASoC-codecs-Add-i2c-and-codec-registration-for-aw883xx-and-their-associated-operation-functions/20230106-113130 > git checkout 63bed80c0eacb29f78eb53987b34863bafd48cee > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > All errors (new ones prefixed by >>): > >> ld.lld: error: undefined symbol: crc8_populate_lsb > >>> referenced by aw883xx_bin_parse.c:1049 (sound/soc/codecs/aw883xx/aw883xx_bin_parse.c:1049) > >>> vmlinux.o:(aw883xx_dev_load_acf_check) > -- > >> ld.lld: error: undefined symbol: crc8 > >>> referenced by aw883xx_bin_parse.c:963 (sound/soc/codecs/aw883xx/aw883xx_bin_parse.c:963) > >>> vmlinux.o:(aw883xx_dev_load_acf_check) > >>> referenced by aw883xx_bin_parse.c:1022 (sound/soc/codecs/aw883xx/aw883xx_bin_parse.c:1022) > >>> vmlinux.o:(aw883xx_dev_load_acf_check) > >>> did you mean: crc4 > >>> defined in: vmlinux.o This looks like a false positive. crc8_populate_lsb is defined in the lib/crc8.c file. I also could not reproduce it with GCC. Best regards, Weidong Wang