tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4c388a8e740d3235a194f330c8ef327deef710f6 commit: a734bbf694270dca8594a5c33375867dc31503f5 m68k: m68328: move platform code to separate files date: 12 months ago config: m68k-randconfig-s031-20211118 (attached as .config) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a734bbf694270dca8594a5c33375867dc31503f5 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a734bbf694270dca8594a5c33375867dc31503f5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> arch/m68k/68000/ucsimm.c:19:15: sparse: sparse: symbol 'cs8900a_hwaddr' was not declared. Should it be static? >> arch/m68k/68000/ucsimm.c:22:1: sparse: sparse: symbol 'getserialnum' was not declared. Should it be static? >> arch/m68k/68000/ucsimm.c:23:1: sparse: sparse: symbol 'gethwaddr' was not declared. Should it be static? >> arch/m68k/68000/ucsimm.c:24:1: sparse: sparse: symbol 'getbenv' was not declared. Should it be static? vim +/cs8900a_hwaddr +19 arch/m68k/68000/ucsimm.c 18 > 19 unsigned char *cs8900a_hwaddr; 20 static int errno; 21 > 22 _bsc0(char *, getserialnum) > 23 _bsc1(unsigned char *, gethwaddr, int, a) > 24 _bsc1(char *, getbenv, char *, a) 25 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org