[clk:clk-versatile 1/1] clk-versatile.c:undefined reference to `of_iomap'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-versatile
head:   419b3ab6987f2a108cc4710030184365b17467ac
commit: 419b3ab6987f2a108cc4710030184365b17467ac [1/1] clk: versatile: remove dependency on ARCH_*
config: s390-allmodconfig (attached as .config)
compiler: s390-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/clk/linux.git/commit/?id=419b3ab6987f2a108cc4710030184365b17467ac
        git remote add clk https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git
        git fetch --no-tags clk clk-versatile
        git checkout 419b3ab6987f2a108cc4710030184365b17467ac
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

   s390-linux-ld: kernel/dma/coherent.o: in function `dma_init_coherent_memory':
   coherent.c:(.text+0x3bc): undefined reference to `memremap'
   s390-linux-ld: coherent.c:(.text+0x500): undefined reference to `memunmap'
   s390-linux-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory':
   coherent.c:(.text+0xae6): undefined reference to `memunmap'
   s390-linux-ld: drivers/irqchip/irq-al-fic.o: in function `al_fic_init_dt':
   irq-al-fic.c:(.init.text+0x98): undefined reference to `of_iomap'
   s390-linux-ld: irq-al-fic.c:(.init.text+0x596): undefined reference to `iounmap'
   s390-linux-ld: drivers/clk/clk-fixed-mmio.o: in function `fixed_mmio_clk_setup':
   clk-fixed-mmio.c:(.text+0x9a): undefined reference to `of_iomap'
   s390-linux-ld: clk-fixed-mmio.c:(.text+0xe6): undefined reference to `iounmap'
   s390-linux-ld: drivers/clk/versatile/clk-versatile.o: in function `cm_osc_setup':

quoted

clk-versatile.c:(.init.text+0xbc): undefined reference to `of_iomap'

   s390-linux-ld: drivers/clk/versatile/clk-sp810.o: in function `clk_sp810_of_setup':

quoted

clk-sp810.c:(.init.text+0x174): undefined reference to `of_iomap'

   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_init':
   timer-of.c:(.init.text+0xcc): undefined reference to `of_iomap'
   s390-linux-ld: timer-of.c:(.init.text+0x8ee): undefined reference to `iounmap'
   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_cleanup':
   timer-of.c:(.init.text+0xb9a): undefined reference to `iounmap'
   s390-linux-ld: drivers/clocksource/timer-microchip-pit64b.o: in function `mchp_pit64b_dt_init_timer':
   timer-microchip-pit64b.c:(.init.text+0x150): undefined reference to `of_iomap'
   s390-linux-ld: timer-microchip-pit64b.c:(.init.text+0xc78): undefined reference to `iounmap'

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