tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-testing head: 8c61951b372d83b426a66dafc9c4ac24b3ce3335 commit: 3683b761fe3a10ad18515acd5368dd601268cfe5 [58/82] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP config: s390-randconfig-r022-20210825 (attached as .config) compiler: s390-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/gregkh/char-misc.git/comm... git remote add char-misc https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git git fetch --no-tags char-misc char-misc-testing git checkout 3683b761fe3a10ad18515acd5368dd601268cfe5 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 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 >>): s390-linux-ld: kernel/dma/coherent.o: in function `dma_init_coherent_memory': coherent.c:(.text+0x9ea): undefined reference to `memremap' s390-linux-ld: coherent.c:(.text+0xb46): undefined reference to `memunmap' s390-linux-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory': coherent.c:(.text+0xe06): undefined reference to `memunmap' s390-linux-ld: drivers/dma/fsl-edma.o: in function `fsl_edma_probe': fsl-edma.c:(.text+0xa50): undefined reference to `devm_ioremap_resource' s390-linux-ld: fsl-edma.c:(.text+0xb5e): undefined reference to `devm_ioremap_resource' s390-linux-ld: drivers/dma/idma64.o: in function `idma64_platform_probe': idma64.c:(.text+0x1450): undefined reference to `devm_ioremap_resource' s390-linux-ld: drivers/nvmem/nintendo-otp.o: in function `nintendo_otp_probe': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org