tree: https://github.com/afaerber/linux.git rtd1295-next head: af9d43a7ab49361eb3297bfc219db99e3ced1bb1 commit: 3b369dfc364fc8a7f6a4a4fbcb2c7c8f6d7e6880 [99/166] regulator: Add GMT G2227 driver config: h8300-allmodconfig (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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 git checkout 3b369dfc364fc8a7f6a4a4fbcb2c7c8f6d7e6880 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): h8300-linux-ld: drivers/regulator/g2227.o: in function `g2227_probe': g2227.c:(.text+0x87): undefined reference to `__devm_regmap_init_i2c' h8300-linux-ld: drivers/regulator/g2227.o: in function `g2227_driver_init': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org