Hi Colin, I love your patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Colin-Foster/add-support-for-VSC7512-control-over-SPI/20220611-042931 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git b97dcb85750b7e8bc5aaed5403ddf4b0552c7993 config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20220611/202206111455.xaWNrJPX-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 11.3.0 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/60523f7239bade660c86be121bd29954c24f53df git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Colin-Foster/add-support-for-VSC7512-control-over-SPI/20220611-042931 git checkout 60523f7239bade660c86be121bd29954c24f53df # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv 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 >>, old ones prefixed by <<): >> ERROR: modpost: "ocelot_platform_init_regmap_from_resource" [drivers/net/mdio/mdio-mscc-miim.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp