linux-kernel - [l1k:smsc95xx_5.17 344/887] drivers/staging/fbtft/fb_st7789v.c:418:5: warning: no previous prototype for 'variant

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Message-ID: <202204081548.vMqZ6gXI-lkp@intel.com>
Date:   Fri, 8 Apr 2022 15:49:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Phil Elwell <phil@...pberrypi.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Dom Cobley <popcornmix@...il.com>
Subject: [l1k:smsc95xx_5.17 344/887]
 drivers/staging/fbtft/fb_st7789v.c:418:5: warning: no previous prototype for
 'variant_minipitft13'

tree:   https://github.com/l1k/linux smsc95xx_5.17
head:   05d68ced287b30f62f18f95b5476135ef669804a
commit: 7997fb3ca8c6a8db601b0352840394c046bb179b [344/887] staging: fbtft: Add minipitft13 variant
config: xtensa-randconfig-r033-20220408 (https://download.01.org/0day-ci/archive/20220408/202204081548.vMqZ6gXI-lkp@intel.com/config)
compiler: xtensa-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://github.com/l1k/linux/commit/7997fb3ca8c6a8db601b0352840394c046bb179b
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k smsc95xx_5.17
        git checkout 7997fb3ca8c6a8db601b0352840394c046bb179b
        # 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=xtensa SHELL=/bin/bash drivers/staging/fbtft/

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

All warnings (new ones prefixed by >>):

>> drivers/staging/fbtft/fb_st7789v.c:418:5: warning: no previous prototype for 'variant_minipitft13' [-Wmissing-prototypes]
     418 | int variant_minipitft13(struct fbtft_display *display)
         |     ^~~~~~~~~~~~~~~~~~~


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://01.org/lkp