Hi Thomas,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Thomas-Bogendoerfer/net-Korina-improvements/20210414-045102
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 8ef7adc6beb2ef0bce83513dc9e4505e7b21e8c2
config: riscv-allmodconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/c92cee3d78d891046f2668b2d82c375899d387a4
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Thomas-Bogendoerfer/net-Korina-improvements/20210414-045102
        git checkout c92cee3d78d891046f2668b2d82c375899d387a4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>, old ones prefixed by <<):

quoted

ERROR: modpost: "idt_cpu_freq" [drivers/net/ethernet/korina.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org