tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-5.4.y head: 3cdbcdd591d4a26a51eba81bba6422754950f98d commit: 184f8ad244107aedc9a09d0cc3dca5d623bc818f [7323/7338] net: ti: prueth_core: move timer utility functions to prueth_core config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-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 git checkout 184f8ad244107aedc9a09d0cc3dca5d623bc818f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 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 >>): 240 | void prueth_init_timer(struct prueth *prueth) | ^~~~~~~~~~~~~~~~~ vim +/prueth_init_timer +240 drivers/net/ethernet/ti/prueth_core.c 239 241 { 242 hrtimer_init(&prueth->tbl_check_timer, CLOCK_MONOTONIC, 243 HRTIMER_MODE_REL); 244 prueth->tbl_check_timer.function = prueth_timer; 245 } 246 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org