[kbuild-all] ERROR: modpost: "gpmc_omap_get_nand_ops" [drivers/mtd/nand/raw/omap2_nand.ko] undefined!

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0c947b893d69231a9add855939da7c66237ab44f commit: dbcb124acebd8148e9e858a231f1798956dd3ca6 mtd: rawnand: omap2: Select GPMC device driver for ARCH_K3 date: 4 weeks ago config: arm64-randconfig-r001-20220117 (https://download.01.org/0day-ci/archive/20220117/202201171805.5HeoR4rS-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f782d25a742302d25ef3c8b84b54f7483c2deb9) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout dbcb124acebd8148e9e858a231f1798956dd3ca6 # 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=arm64 SHELL=/bin/bash 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 >>, old ones prefixed by <<): Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for OMAP_GPMC Depends on MEMORY && OF_ADDRESS Selected by - MTD_NAND_OMAP2 && MTD && MTD_RAW_NAND && (ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST && HAS_IOMEM && ARCH_K3 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org