Hi Sean, I love your patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Sean-Anderson/net-dpaa-Convert-to-phylink/20220618-044003 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 4875d94c69d5a4836c4225b51429d277c297aae8 config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220618/202206181015.BLEIZObf-lkp@xxxxxxxxx/config) compiler: sh4-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/d9c7b1e909ace0c4229445647587ae1f64cf52c0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Sean-Anderson/net-dpaa-Convert-to-phylink/20220618-044003 git checkout d9c7b1e909ace0c4229445647587ae1f64cf52c0 # 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=sh SHELL=/bin/bash drivers/net/ethernet/freescale/fman/ drivers/phy/freescale/ net/ipv6/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/phy/freescale/phy-qoriq.c:382:16: warning: no previous prototype for 'qs_clk_hw_to_priv' [-Wmissing-prototypes] 382 | struct qs_clk *qs_clk_hw_to_priv(struct clk_hw *hw) | ^~~~~~~~~~~~~~~~~ vim +/qs_clk_hw_to_priv +382 drivers/phy/freescale/phy-qoriq.c 381 > 382 struct qs_clk *qs_clk_hw_to_priv(struct clk_hw *hw) 383 { 384 return container_of(hw, struct qs_clk, hw); 385 } 386 -- 0-DAY CI Kernel Test Service https://01.org/lkp