arch/m68k/68000/ucsimm.c:19:15: sparse: sparse: symbol 'cs8900a_hwaddr' was not declared. Should it be static?

[kernel test robot]

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 <lkp@xxxxxxxxx>


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@xxxxxxxxxxxx

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