Hi Bjorn, I love your patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on robh/for-next driver-core/driver-core-testing linus/master v5.16-rc7 next-20211224] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Bjorn-Andersson/typec-mux-Introduce-support-for-multiple-TypeC-muxes/20211228-132045 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: arc-randconfig-r043-20211228 (https://download.01.org/0day-ci/archive/20211228/202112282120.JleedcIB-lkp@xxxxxxxxx/config) compiler: arceb-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/0day-ci/linux/commit/db0b002b5b2e1055b2df7b430438335a75dc1557 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bjorn-Andersson/typec-mux-Introduce-support-for-multiple-TypeC-muxes/20211228-132045 git checkout db0b002b5b2e1055b2df7b430438335a75dc1557 # save the config file 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 <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arceb-elf-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `qcom_qmp_phy_remove': >> phy-qcom-qmp.c:(.text+0x37e): undefined reference to `typec_mux_unregister' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x37e): undefined reference to `typec_mux_unregister' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x384): undefined reference to `typec_switch_unregister' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x384): undefined reference to `typec_switch_unregister' arceb-elf-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `qcom_qmp_phy_probe': >> phy-qcom-qmp.c:(.text+0x14bc): undefined reference to `typec_switch_register' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x14bc): undefined reference to `typec_switch_register' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x14e2): undefined reference to `typec_mux_register' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x14e2): undefined reference to `typec_mux_register' arceb-elf-ld: phy-qcom-qmp.c:(.text+0x14f6): undefined reference to `typec_switch_unregister' arceb-elf-ld: phy-qcom-qmp.c:(.text+0x14f6): undefined reference to `typec_switch_unregister' arceb-elf-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `qcom_qmp_phy_typec_switch_set': >> phy-qcom-qmp.c:(.text+0x18f0): undefined reference to `typec_switch_get_drvdata' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x18f0): undefined reference to `typec_switch_get_drvdata' arceb-elf-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `qcom_qmp_phy_typec_mux_set': >> phy-qcom-qmp.c:(.text+0x1962): undefined reference to `typec_mux_get_drvdata' >> arceb-elf-ld: phy-qcom-qmp.c:(.text+0x1962): undefined reference to `typec_mux_get_drvdata' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
