[kbuild-all] drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.o: warning: objtool: ipq806x_gmac_probe() falls through to next function phy_modes()

CC: linux-kernel(a)vger.kernel.org TO: Jonathan McDowell <noodles(a)earth.li&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9d9af1007bc08971953ae915d88dc9bb21344b53 commit: a96ac8a0045e3cbe3e5af6d1b3c78c6c2065dec5 net: ethernet: stmmac: Enable interface clocks on probe for IPQ806x date: 5 months ago config: x86_64-randconfig-a012-20201019 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 2a75e956e5ce7ea212333a86fe65fc68185cbf48) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a96ac8a0045e3cbe3e5af6d1b3c78c6c2065dec5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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 >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org