Hi Alexander,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ccfff0a2bd2a30de130b5623d242ddecd0272bc2
commit: ef019c5daf032dce0b95ed4d45bfec93c4fbcb9f PHY: Ingenic: fix unconditional build of phy-ingenic-usb
date:   11 months ago
config: s390-randconfig-r011-20211114 (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/torvalds/linux.git/commit/?id=ef019c5daf032dce0b95ed4d45bfec93c4fbcb9f
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ef019c5daf032dce0b95ed4d45bfec93c4fbcb9f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=s390 

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: "devm_ioremap" [drivers/input/keyboard/samsung-keypad.ko] undefined!
>> ERROR: modpost: "ioremap" [drivers/pcmcia/pcmcia.ko] undefined!
>> ERROR: modpost: "iounmap" [drivers/pcmcia/pcmcia.ko] undefined!
ERROR: modpost: "iounmap" [drivers/net/arcnet/com90xx.ko] undefined!
ERROR: modpost: "ioremap" [drivers/net/arcnet/com90xx.ko] undefined!
>> ERROR: modpost: "devm_ioremap" [drivers/net/ethernet/altera/altera_tse.ko] undefined!
>> ERROR: modpost: "ioremap" [drivers/net/ethernet/8390/pcnet_cs.ko] undefined!
>> ERROR: modpost: "iounmap" [drivers/net/ethernet/8390/pcnet_cs.ko] undefined!
ERROR: modpost: "ioremap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
ERROR: modpost: "devm_ioremap_resource" [drivers/dma/idma64.ko] undefined!

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