[kbuild-all] [xilinx-xlnx:xlnx_rebase_v5.10 223/1980] drivers/media/i2c/adv7511-v4l2.c:2251:21: warning: no previous prototype for 'adv7511_subdev'

Hi Radhey, FYI, the error/warning still remains. tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.10 head: 568989d44176ae0a38ea78c16d0590c726d3b60a commit: c879ca1c486ba6c809ca48c82c0c8a289d97ce15 [223/1980] drivers: media: Customized adv7511 for Xylon LogiCVC (deprecated) config: openrisc-randconfig-r023-20210930 (attached as .config) compiler: or1k-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/Xilinx/linux-xlnx/commit/c879ca1c486ba6c809ca48c82c0c8... git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.10 git checkout c879ca1c486ba6c809ca48c82c0c8a289d97ce15 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/media/i2c/adv7511-v4l2.c: In function 'adv7511_set_rgb_quantization_mode': drivers/media/i2c/adv7511-v4l2.c:427:16: error: 'return' with a value, in function returning void [-Werror=return-type] 427 | return 0; | ^ drivers/media/i2c/adv7511-v4l2.c:422:13: note: declared here 422 | static void adv7511_set_rgb_quantization_mode(struct v4l2_subdev *sd, struct v4l2_ctrl *ctrl) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/i2c/adv7511-v4l2.c: At top level: 2251 | struct v4l2_subdev *adv7511_subdev(struct v4l2_subdev *sd) | ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/adv7511_subdev +2251 drivers/media/i2c/adv7511-v4l2.c 2250 2252 { 2253 static struct v4l2_subdev *subdev; 2254 2255 if (sd) 2256 subdev = sd; 2257 2258 return subdev; 2259 } 2260 EXPORT_SYMBOL(adv7511_subdev); 2261 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org