Hi Lizhi, kernel test robot noticed the following build errors: [auto build test ERROR on vkoul-dmaengine/next] [also build test ERROR on linus/master v6.4-rc3 next-20230525] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Lizhi-Hou/dmaengine-amd-qdma-Add-AMD-QDMA-driver/20230527-005214 base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next patch link: https://lore.kernel.org/r/1685119795-11729-2-git-send-email-lizhi.hou%40amd.com patch subject: [PATCH V1 QDMA 1/1] dmaengine: amd: qdma: Add AMD QDMA driver config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230527/202305271937.niKlwa4h-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/d300fd23b7ecbcc89512dba3fa745941c1c03fac git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Lizhi-Hou/dmaengine-amd-qdma-Add-AMD-QDMA-driver/20230527-005214 git checkout d300fd23b7ecbcc89512dba3fa745941c1c03fac # 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/202305271937.niKlwa4h-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "__ffsdi2" [drivers/dma/amd/amd-qdma.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
