Hi Yoshihiro, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Yoshihiro-Shimoda/dt-bindings-net-r8a779f0-ether-switch-Add-ACLK/20230529-161010 base: net-next/main patch link: https://lore.kernel.org/r/20230529080840.1156458-6-yoshihiro.shimoda.uh%40renesas.com patch subject: [PATCH net-next 5/5] net: renesas: rswitch: Use per-queue rate limiter config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230530/202305300718.pdF0iaxU-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): mkdir -p ~/bin 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/64502944471d5b6fac76f49c06c29edfbbe43935 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yoshihiro-Shimoda/dt-bindings-net-r8a779f0-ether-switch-Add-ACLK/20230529-161010 git checkout 64502944471d5b6fac76f49c06c29edfbbe43935 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202305300718.pdF0iaxU-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "__udivdi3" [drivers/net/ethernet/renesas/rswitch_drv.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
