uboot.c:undefined reference to `_init_sp'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d51b1b33c51d147b757f042b4d336603b699f362
commit: 8b22820efb35f93d98638563b0a8f4094e8ee399 m68k: m68328: remove duplicate code
date:   1 year, 4 months ago
config: m68k-buildonly-randconfig-r002-20220323 (https://download.01.org/0day-ci/archive/20220324/202203241211.iGHRKXCk-lkp@xxxxxxxxx/config)
compiler: m68k-linux-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8b22820efb35f93d98638563b0a8f4094e8ee399
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 8b22820efb35f93d98638563b0a8f4094e8ee399
        # 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=m68k 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 >>):

   m68k-linux-ld: arch/m68k/kernel/uboot.o: in function `process_uboot_commandline':
>> uboot.c:(.init.text+0x32): undefined reference to `_init_sp'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp