[l1k:rpi-6.2.y-await-linktraining 360/583] drivers/staging/fbtft/fb_st7789v.c:418:5: warning: no previous prototype for function 'variant_minipitft13'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/l1k/linux rpi-6.2.y-await-linktraining
head:   f3a9201f7f484c1295cdec53c1b9bd2a19ffb231
commit: 182e7c31deae6bddfa476bacb751203fab0e65a0 [360/583] staging: fbtft: Add minipitft13 variant
config: i386-randconfig-r035-20230227 (https://download.01.org/0day-ci/archive/20230227/202302272037.dem1junz-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://github.com/l1k/linux/commit/182e7c31deae6bddfa476bacb751203fab0e65a0
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k rpi-6.2.y-await-linktraining
        git checkout 182e7c31deae6bddfa476bacb751203fab0e65a0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/staging/fbtft/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302272037.dem1junz-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/staging/fbtft/fb_st7789v.c:418:5: warning: no previous prototype for function 'variant_minipitft13' [-Wmissing-prototypes]
   int variant_minipitft13(struct fbtft_display *display)
       ^
   drivers/staging/fbtft/fb_st7789v.c:418:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int variant_minipitft13(struct fbtft_display *display)
   ^
   static 
   1 warning generated.


vim +/variant_minipitft13 +418 drivers/staging/fbtft/fb_st7789v.c

   417	
 > 418	int variant_minipitft13(struct fbtft_display *display)
   419	{
   420		display->fbtftops.set_addr_win = minipitft13_set_addr_win;
   421		return 0;
   422	}
   423	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests