tree: https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git opp/linux-next head: b9fd171ae7781c5eb2ecc5f3a59cb41b33c05be0 commit: b9fd171ae7781c5eb2ecc5f3a59cb41b33c05be0 [9/9] OPP: Add support for setting interconnect-tags config: riscv-randconfig-r031-20200513 (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout b9fd171ae7781c5eb2ecc5f3a59cb41b33c05be0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): riscv64-linux-ld: drivers/opp/core.o: in function `_opp_table_kref_release': drivers/opp/core.c:1087: undefined reference to `icc_put' riscv64-linux-ld: drivers/opp/core.o: in function `_generic_set_opp_regulator': drivers/opp/core.c:711: undefined reference to `icc_set_bw' riscv64-linux-ld: drivers/opp/of.o: in function `dev_pm_opp_of_find_icc_paths': drivers/opp/of.c:337: undefined reference to `of_icc_get_by_index' << /tmp/kernel/riscv-randconfig-r031-20200513/gcc-9.3.0/789ca020f0a75134f0663a4b09aabfc85edeef85/build-error/10840-58021-30797-257:riscv64-linux-ld: drivers/opp/of.c:360: undefined reference to `icc_put' riscv64-linux-ld: drivers/opp/of.o: in function `IS_ERR': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org