tree: https://github.com/andersson/kernel wip/sc8180x-next-20211015 head: 05163e0a8999f011f055a2a0e4d094841b55bc1e commit: 982f953459d87071a976401bd50e2e2d8ea34cc2 [24/61] phy: qcom-qmp: Register as a typec switch for orientation detection config: arc-randconfig-r043-20211027 (attached as .config) compiler: arc-elf-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/andersson/kernel/commit/982f953459d87071a976401bd50e2e2d8ea34cc2 git remote add andersson https://github.com/andersson/kernel git fetch --no-tags andersson wip/sc8180x-next-20211015 git checkout 982f953459d87071a976401bd50e2e2d8ea34cc2 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arc-elf-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `qcom_qmp_phy_typec_switch_set': >> phy-qcom-qmp.c:(.text+0x544): undefined reference to `typec_switch_get_drvdata' >> arc-elf-ld: phy-qcom-qmp.c:(.text+0x544): undefined reference to `typec_switch_get_drvdata' arc-elf-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `qcom_qmp_phy_probe': >> phy-qcom-qmp.c:(.text+0x16a6): undefined reference to `typec_switch_register' >> arc-elf-ld: phy-qcom-qmp.c:(.text+0x16a6): undefined reference to `typec_switch_register' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org