arch/m68k/68000/ucsimm.c:22:15: warning: no previous prototype for 'getserialnum'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   02d5e016800d082058b3d3b7c3ede136cdc6ddcb
commit: a734bbf694270dca8594a5c33375867dc31503f5 m68k: m68328: move platform code to separate files
date:   10 months ago
config: m68k-randconfig-r022-20210930 (attached as .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=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 ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   In file included from arch/m68k/68000/ucsimm.c:12:
>> arch/m68k/68000/ucsimm.c:22:15: warning: no previous prototype for 'getserialnum' [-Wmissing-prototypes]
      22 | _bsc0(char *, getserialnum)
         |               ^~~~~~~~~~~~
   arch/m68k/include/asm/bootstd.h:50:6: note: in definition of macro '_bsc0'
      50 | type name(void) \
         |      ^~~~
>> arch/m68k/68000/ucsimm.c:23:24: warning: no previous prototype for 'gethwaddr' [-Wmissing-prototypes]
      23 | _bsc1(unsigned char *, gethwaddr, int, a)
         |                        ^~~~~~~~~
   arch/m68k/include/asm/bootstd.h:61:6: note: in definition of macro '_bsc1'
      61 | type name(atype a) \
         |      ^~~~
>> arch/m68k/68000/ucsimm.c:24:15: warning: no previous prototype for 'getbenv' [-Wmissing-prototypes]
      24 | _bsc1(char *, getbenv, char *, a)
         |               ^~~~~~~
   arch/m68k/include/asm/bootstd.h:61:6: note: in definition of macro '_bsc1'
      61 | type name(atype a) \
         |      ^~~~


vim +/getserialnum +22 arch/m68k/68000/ucsimm.c

    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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