tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ff511c1c68a5a35ab0b3efb3c306fd80b10d74be commit: 49956b505c53923723370a8960ae8fcd9e2b2116 [2149/3040] drm/panel: Add panel driver for NewVision NV3052C based LCDs config: nios2-randconfig-r033-20220408 (https://download.01.org/0day-ci/archive/20220409/202204090833.kpGpCUaF-lkp@xxxxxxxxx/config) compiler: nios2-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=49956b505c53923723370a8960ae8fcd9e2b2116 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 49956b505c53923723370a8960ae8fcd9e2b2116 # 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=nios2 SHELL=/bin/bash drivers/gpu/drm/panel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD ff511c1c68a5a35ab0b3efb3c306fd80b10d74be builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> drivers/gpu/drm/panel/panel-newvision-nv3052c.c:478:19: error: initialization of 'void (*)(struct spi_device *)' from incompatible pointer type 'int (*)(struct spi_device *)' [-Werror=incompatible-pointer-types] 478 | .remove = nv3052c_remove, | ^~~~~~~~~~~~~~ drivers/gpu/drm/panel/panel-newvision-nv3052c.c:478:19: note: (near initialization for 'nv3052c_driver.remove') cc1: some warnings being treated as errors vim +478 drivers/gpu/drm/panel/panel-newvision-nv3052c.c 471 472 static struct spi_driver nv3052c_driver = { 473 .driver = { 474 .name = "nv3052c", 475 .of_match_table = nv3052c_of_match, 476 }, 477 .probe = nv3052c_probe, > 478 .remove = nv3052c_remove, 479 }; 480 module_spi_driver(nv3052c_driver); 481 -- 0-DAY CI Kernel Test Service https://01.org/lkp
