tree: https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git opp/linux-next head: b9fd171ae7781c5eb2ecc5f3a59cb41b33c05be0 commit: 47ff5793e4c13946e3b604b6f2a57fa45b5b8f70 [6/9] OPP: Update the bandwidth on OPP frequency changes config: sh-allmodconfig (attached as .config) compiler: sh4-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 47ff5793e4c13946e3b604b6f2a57fa45b5b8f70 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=sh 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 >>): sh4-linux-ld: drivers/opp/core.o: in function `dev_pm_opp_put_opp_table': (.text+0x540): undefined reference to `icc_put' sh4-linux-ld: drivers/opp/core.o: in function `dev_pm_opp_set_rate': sh4-linux-ld: drivers/opp/of.o: in function `dev_pm_opp_of_find_icc_paths': (.text+0x74c): undefined reference to `of_icc_get_by_index' sh4-linux-ld: (.text+0x754): undefined reference to `icc_put' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org