tree: git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux- fbdev.git for-next head: 61038027aa13351c63b452a0d48c805bab1d2ce9 commit: 61038027aa13351c63b452a0d48c805bab1d2ce9 [51/51] video: fbdev: omapfb: Make use of the helper component_compare_dev config: arm-randconfig-c002-20220216 ( https://download.01.org/0day-ci/archive/20220216/202202161324.Jh1OfqAf-lk... ) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0e628a783b935c70c80815db6c061ec84f884af5) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/co... git remote add deller-fbdev git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git git fetch --no-tags deller-fbdev for-next git checkout 61038027aa13351c63b452a0d48c805bab1d2ce9 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/video/fbdev/omap2/omapfb/dss/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): > > drivers/video/fbdev/omap2/omapfb/dss/dss.c:1209:42: error: use of > > undeclared identifier 'component_compare_dev'; did you mean > > 'component_master_del'? component_match_add(dev->parent, match, component_compare_dev, dev); ^~~~~~~~~~~~~~~~~~ ~~~ component_master_d el include/linux/component.h:85:6: note: 'component_master_del' declared here void component_master_del(struct device *, ^ 1 error generated. vim +1209 drivers/video/fbdev/omap2/omapfb/dss/dss.c 1195 1196 static int dss_add_child_component(struct device *dev, void *data) 1197 { 1198 struct component_match **match = data; 1199 1200 /* 1201 * HACK 1202 * We don't have a working driver for rfbi, so skip it here always. 1203 * Otherwise dss will never get probed successfully, as it will wait 1204 * for rfbi to get probed. 1205 */ 1206 if (strstr(dev_name(dev), "rfbi")) 1207 return 0; 1208 > 1209 component_match_add(dev->parent, match, > component_compare_dev, dev); 1210 1211 return 0; 1212 } 1213 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org