Hi Michael, I love your patch! Yet something to improve: [auto build test ERROR on groeck-staging/hwmon-next] [also build test ERROR on robh/for-next linus/master v5.17 next-20220325] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Michael-Walle/hwmon-add-lan9668-driver/20220327-032606 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: ia64-buildonly-randconfig-r002-20220327 (https://download.01.org/0day-ci/archive/20220327/202203270925.NrqU6SE8-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 11.2.0 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-lab-lkp/linux/commit/51d4d93c8777a757e21386aa76ccc128a6bd85af git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Michael-Walle/hwmon-add-lan9668-driver/20220327-032606 git checkout 51d4d93c8777a757e21386aa76ccc128a6bd85af # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ia64-linux-ld: drivers/hwmon/bt1-pvt.o: in function `pvt_read_data': >> bt1-pvt.c:(.text+0xeb2): undefined reference to `polynomial_calc' -- 0-DAY CI Kernel Test Service https://01.org/lkp
