tree: https://github.com/AsahiLinux/linux t6000/bringup-work head: 3dd5d3b12cd6d7c4d9731061db6747f41bcc6cdc commit: 9b33c21a89cb394a38274b1e8e8fba65b1cc6ad8 [21/34] drm/simpledrm: Bind to OF framebuffers in /chosen config: arm-randconfig-c002-20211121 (attached as .config) 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://github.com/AsahiLinux/linux/commit/9b33c21a89cb394a38274b1e8e8fba... git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux t6000/bringup-work git checkout 9b33c21a89cb394a38274b1e8e8fba65b1cc6ad8 # save the attached .config 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/gpu/drm/tiny/ 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 >>): fs_initcall(simplefb_init); ^ include/linux/module.h:119:27: note: expanded from macro 'fs_initcall' #define fs_initcall(fn) module_init(fn) ^ include/linux/module.h:131:42: note: expanded from macro 'module_init' static inline initcall_t __maybe_unused __inittest(void) \ ^ drivers/gpu/drm/tiny/simpledrm.c:899:1: note: previous definition is here module_platform_driver(simpledrm_platform_driver); ^ include/linux/platform_device.h:252:2: note: expanded from macro 'module_platform_driver' module_driver(__platform_driver, platform_driver_register, \ ^ include/linux/device/driver.h:262:3: note: expanded from macro 'module_driver' } \ ^ include/linux/module.h:131:42: note: expanded from macro '\ module_init' static inline initcall_t __maybe_unused __inittest(void) \ ^ fs_initcall(simplefb_init); ^ include/linux/module.h:119:27: note: expanded from macro 'fs_initcall' #define fs_initcall(fn) module_init(fn) ^ include/linux/module.h:133:6: note: expanded from macro 'module_init' int init_module(void) __copy(initfn) \ ^ drivers/gpu/drm/tiny/simpledrm.c:899:1: note: previous definition is here module_platform_driver(simpledrm_platform_driver); ^ include/linux/platform_device.h:252:2: note: expanded from macro 'module_platform_driver' module_driver(__platform_driver, platform_driver_register, \ ^ include/linux/device/driver.h:262:3: note: expanded from macro 'module_driver' } \ ^ include/linux/module.h:133:6: note: expanded from macro '\ module_init' int init_module(void) __copy(initfn) \ ^ 2 errors generated. vim +/__inittest +915 drivers/gpu/drm/tiny/simpledrm.c 914 916 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org