Re: [PATCHv3 2/4] wiegand: add Wiegand bus driver

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

Hi Martin,

I love your patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.2 next-20230301]
[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/Martin-Za-ovi/dt-bindings-wiegand-add-Wiegand-controller-common-properties/20230301-223030
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20230301142835.19614-3-m.zatovic1%40gmail.com
patch subject: [PATCHv3 2/4] wiegand: add Wiegand bus driver
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230302/202303020615.0F00suDa-lkp@intel.com/config)
compiler: sh4-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/c62b833f42989e355d82cd20b7803e0228e33792
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Martin-Za-ovi/dt-bindings-wiegand-add-Wiegand-controller-common-properties/20230301-223030
        git checkout c62b833f42989e355d82cd20b7803e0228e33792
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/wiegand/

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/202303020615.0F00suDa-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/wiegand/wiegand.c:441:27: error: initialization of 'void (*)(struct device *)' from incompatible pointer type 'int (*)(struct device *)' [-Werror=incompatible-pointer-types]
     441 |         .remove         = wiegand_remove,
         |                           ^~~~~~~~~~~~~~
   drivers/wiegand/wiegand.c:441:27: note: (near initialization for 'wiegand_bus_type.remove')
   cc1: some warnings being treated as errors


vim +441 drivers/wiegand/wiegand.c

   436	
   437	static struct bus_type wiegand_bus_type = {
   438		.name		= "wiegand",
   439		.match		= wiegand_match_device,
   440		.probe		= wiegand_probe,
 > 441		.remove		= wiegand_remove,
   442	};
   443	

-- 
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https://github.com/intel/lkp-tests