Hi Po, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] [also build test ERROR on v5.4-rc7 next-20191111] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Po-Liu/enetc-Configure-the-Time-Aware-Scheduler-via-tc-taprio-offload/20191112-193235 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git ca22d6977b9b4ab0fd2e7909b57e32ba5b95046f config: i386-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): >> ERROR: "enetc_sched_speed_set" [drivers/net/ethernet/freescale/enetc/fsl-enetc-vf.ko] undefined! ERROR: "enetc_setup_tc_taprio" [drivers/net/ethernet/freescale/enetc/fsl-enetc-vf.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation