Hi Colin, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Colin-Foster/Add-support-for-VSC... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 5e437416ff66981d8154687cfdf7de50b1d82bfc config: m68k-allmodconfig (attached as .config) compiler: m68k-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/c586fa643e682819018f654731c1e699d... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Colin-Foster/Add-support-for-VSC7511-7514-chips-over-SPI/20210711-032838 git checkout c586fa643e682819018f654731c1e699da077d80 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 78 | struct ocelot_spi_data *felix_to_ocelot_spi(struct felix *felix) | ^~~~~~~~~~~~~~~~~~~ 83 | struct ocelot_spi_data *ocelot_to_ocelot_spi(struct ocelot *ocelot) | ^~~~~~~~~~~~~~~~~~~~ vim +/felix_to_ocelot_spi +78 drivers/net/dsa/ocelot/ocelot_vsc7512_spi.c 77 79 { 80 return container_of(felix, struct ocelot_spi_data, felix); 81 } 82 84 { 85 struct felix *felix = ocelot_to_felix(ocelot); 86 87 return felix_to_ocelot_spi(felix); 88 } 89 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org