Re: [PATCH v3] fbdev: visfxfb: HP Visualize-FX framebufffer driver

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Hi Helge,

kernel test robot noticed the following build warnings:

[auto build test WARNING on deller-parisc/for-next]
[also build test WARNING on linus/master v6.3 next-20230424]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Helge-Deller/fbdev-visfxfb-HP-Visualize-FX-framebufffer-driver/20230424-060227
base:   https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git for-next
patch link:    https://lore.kernel.org/r/ZEWqkJekzyIlhBlW%40p100
patch subject: [PATCH v3] fbdev: visfxfb: HP Visualize-FX framebufffer driver
config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20230425/202304251827.bmcNCFkF-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/96fac55bbf4fc2930b24f7a757369196a5d4940c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Helge-Deller/fbdev-visfxfb-HP-Visualize-FX-framebufffer-driver/20230424-060227
        git checkout 96fac55bbf4fc2930b24f7a757369196a5d4940c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash drivers/video/fbdev/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202304251827.bmcNCFkF-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/video/fbdev/visfxfb.c:1067:5: warning: no previous prototype for 'visfx_sync' [-Wmissing-prototypes]
    1067 | int visfx_sync(struct fb_info *info)
         |     ^~~~~~~~~~
>> drivers/video/fbdev/visfxfb.c:1431:5: warning: no previous prototype for 'visfx_set_default_mode' [-Wmissing-prototypes]
    1431 | int visfx_set_default_mode(struct fb_info *info)
         |     ^~~~~~~~~~~~~~~~~~~~~~


vim +/visfx_sync +1067 drivers/video/fbdev/visfxfb.c

  1066	
> 1067	int visfx_sync(struct fb_info *info)
  1068	{
  1069		visfx_wait_write_pipe_empty(info);
  1070		return 0;
  1071	}
  1072	

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



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