tree:   https://github.com/andersson/kernel wip/sc8180x-next-20210721
head:   e4b70f88ad1f737b862d902899268392e5262f62
commit: 2ad96e4b9b0866b6b1bd800862bb4c87594afcc5 [45/70] phy: qcom-qmp: Register as a typec switch for orientation detection
config: riscv-buildonly-randconfig-r002-20210728 (attached as .config)
compiler: riscv64-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://github.com/andersson/kernel/commit/2ad96e4b9b0866b6b1bd800862bb4c87594afcc5
        git remote add andersson-kernel https://github.com/andersson/kernel
        git fetch --no-tags andersson-kernel wip/sc8180x-next-20210721
        git checkout 2ad96e4b9b0866b6b1bd800862bb4c87594afcc5
        # 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=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   riscv64-linux-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `qcom_qmp_phy_typec_switch_set':
>> phy-qcom-qmp.c:(.text+0x83a): undefined reference to `typec_switch_get_drvdata'
   riscv64-linux-ld: drivers/phy/qualcomm/phy-qcom-qmp.o: in function `.L355':
>> phy-qcom-qmp.c:(.text+0x28de): 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