Hi Masahiro, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 76c057c84d286140c6c416c3b4ba832cd1d8984e commit: def2fbffe62c00c330c7f41584a356001179c59c kconfig: allow symbols implied by y to become m date: 11 months ago config: nds32-randconfig-r023-20210128 (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 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/torvalds/linux.git/commit/?id=def2fbffe62c00c330c7f41584a356001179c59c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout def2fbffe62c00c330c7f41584a356001179c59c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): nds32le-linux-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_remove': sil-sii8620.c:(.text+0x150): undefined reference to `extcon_unregister_notifier' nds32le-linux-ld: sil-sii8620.c:(.text+0x154): undefined reference to `extcon_unregister_notifier' nds32le-linux-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_probe': sil-sii8620.c:(.text+0x2c3c): undefined reference to `extcon_find_edev_by_node' >> nds32le-linux-ld: sil-sii8620.c:(.text+0x2c40): undefined reference to >> `extcon_find_edev_by_node' >> nds32le-linux-ld: sil-sii8620.c:(.text+0x2c94): undefined reference to >> `extcon_register_notifier' nds32le-linux-ld: sil-sii8620.c:(.text+0x2c98): undefined reference to `extcon_register_notifier' nds32le-linux-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_extcon_work': sil-sii8620.c:(.text+0x2d28): undefined reference to `extcon_get_state' >> nds32le-linux-ld: sil-sii8620.c:(.text+0x2d2c): undefined reference to >> `extcon_get_state' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FRAME_POINTER Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS Selected by - LATENCYTOP && DEBUG_KERNEL && STACKTRACE_SUPPORT && PROC_FS && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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