tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next
head:   681171472de93083875cea8b856d8636246b478c
commit: 33396174ce5bfcbfffcd8f5332d0ceab2589e520 [33/35] mtd: rawnand: arasan: Leverage additional GPIO CS
config: m68k-allmodconfig (attached as .config)
compiler: m68k-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/mtd/linux.git/commit/?id=33396174ce5bfcbfffcd8f5332d0ceab2589e520
        git remote add mtd https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git
        git fetch --no-tags mtd nand/next
        git checkout 33396174ce5bfcbfffcd8f5332d0ceab2589e520
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "rawnand_dt_parse_gpio_cs" [drivers/mtd/nand/raw/arasan-nand-controller.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org