tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4b358aabb93a2c654cd1dcab1a25a589f6e2b153 commit: 37a156ba4cbb44037355087ade03268435a77225 [5593/7963] ptp: ocp: Remove devlink health and unused parameters. config: s390-randconfig-r034-20210812 (attached as .config) compiler: s390-linux-gcc (GCC) 10.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 37a156ba4cbb44037355087ade03268435a77225 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash 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 >>): s390-linux-ld: drivers/ptp/ptp_ocp.o: in function `ptp_ocp_register_i2c': ptp_ocp.c:(.text+0x810): undefined reference to `__clk_hw_register_fixed_rate' s390-linux-ld: ptp_ocp.c:(.text+0x84e): undefined reference to `devm_clk_hw_register_clkdev' s390-linux-ld: drivers/ptp/ptp_ocp.o: in function `ptp_ocp_devlink_flash_update': ptp_ocp.c:(.text+0xbaa): undefined reference to `devlink_flash_update_status_notify' s390-linux-ld: ptp_ocp.c:(.text+0xc4c): undefined reference to `devlink_flash_update_status_notify' s390-linux-ld: ptp_ocp.c:(.text+0xcc2): undefined reference to `devlink_flash_update_status_notify' s390-linux-ld: drivers/ptp/ptp_ocp.o: in function `ptp_ocp_detach': ptp_ocp.c:(.text+0x15b2): undefined reference to `clk_hw_unregister_fixed_rate' s390-linux-ld: drivers/ptp/ptp_ocp.o: in function `ptp_ocp_remove': s390-linux-ld: ptp_ocp.c:(.text+0x164a): undefined reference to `devlink_free' s390-linux-ld: drivers/ptp/ptp_ocp.o: in function `ptp_ocp_devlink_info_get': ptp_ocp.c:(.text+0x1fe4): undefined reference to `devlink_info_driver_name_put' s390-linux-ld: ptp_ocp.c:(.text+0x2018): undefined reference to `devlink_info_version_stored_put' s390-linux-ld: ptp_ocp.c:(.text+0x2084): undefined reference to `devlink_info_version_running_put' s390-linux-ld: ptp_ocp.c:(.text+0x20b2): undefined reference to `devlink_info_version_running_put' s390-linux-ld: ptp_ocp.c:(.text+0x20e2): undefined reference to `devlink_info_serial_number_put' s390-linux-ld: drivers/ptp/ptp_ocp.o: in function `ptp_ocp_probe': ptp_ocp.c:(.text+0x2148): undefined reference to `devlink_alloc_ns' s390-linux-ld: ptp_ocp.c:(.text+0x2160): undefined reference to `devlink_register' s390-linux-ld: ptp_ocp.c:(.text+0x2298): undefined reference to `devlink_unregister' s390-linux-ld: ptp_ocp.c:(.text+0x22a2): undefined reference to `devlink_free' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SERIAL_8250 Depends on TTY && HAS_IOMEM && !S390 Selected by - PTP_1588_CLOCK_OCP && PTP_1588_CLOCK && HAS_IOMEM && PCI && SPI && I2C && MTD --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org