Hi Vladimir, Thank you for the patch! Yet something to improve: [auto build test ERROR on net/master] url: https://github.com/0day-ci/linux/commits/Vladimir-Oltean/net-stmmac-retai... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 0f296e782f21dc1c55475a3c107ac68ab09cc1cf config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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/176142cdd6854119eb07a8caf8c2808d7... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vladimir-Oltean/net-stmmac-retain-PTP-clock-time-during-SIOCSHWTSTAMP-ioctls/20211120-070717 git checkout 176142cdd6854119eb07a8caf8c2808d7d490637 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org