Hi Hyun,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c3d0e3fd41b7f0f5d5d5b6022ab7e813f04ea727
commit: 7cbb0c63de3fc218fd06ecfedb477772a4d12f76 dmaengine: xilinx: dpdma: Add the Xilinx DisplayPort DMA engine driver
date:   10 months ago
config: s390-randconfig-r012-20210519 (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/torvalds/linux.git/commit/?id=7cbb0c63de3fc218fd06ecfedb477772a4d12f76
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7cbb0c63de3fc218fd06ecfedb477772a4d12f76
        # 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 <lkp@intel.com>

All errors (new ones prefixed by >>):

   s390-linux-ld: kernel/dma/coherent.o: in function `dma_init_coherent_memory':
   coherent.c:(.text+0x808): undefined reference to `memremap'
   s390-linux-ld: coherent.c:(.text+0x98a): undefined reference to `memunmap'
   s390-linux-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory':
   coherent.c:(.text+0xc7c): 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+0xa6): undefined reference to `of_iomap'
   s390-linux-ld: irq-al-fic.c:(.init.text+0x600): undefined reference to `iounmap'
   s390-linux-ld: drivers/dma/altera-msgdma.o: in function `request_and_map':
   altera-msgdma.c:(.text+0x1968): undefined reference to `devm_ioremap'
   s390-linux-ld: drivers/dma/sf-pdma/sf-pdma.o: in function `sf_pdma_probe':
   sf-pdma.c:(.text+0x1408): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: drivers/dma/qcom/hidma_mgmt.o: in function `hidma_mgmt_probe':
   hidma_mgmt.c:(.text+0x800): undefined reference to `devm_ioremap_resource'
   s390-linux-ld: drivers/dma/qcom/hidma_mgmt.o: in function `hidma_mgmt_init':
   hidma_mgmt.c:(.init.text+0x15c): undefined reference to `of_address_to_resource'
   s390-linux-ld: hidma_mgmt.c:(.init.text+0x1b4): undefined reference to `of_address_to_resource'
   s390-linux-ld: drivers/dma/xilinx/xilinx_dpdma.o: in function `xilinx_dpdma_probe':
>> xilinx_dpdma.c:(.text+0x23c6): undefined reference to `devm_platform_ioremap_resource'
   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_init':
   timer-of.c:(.init.text+0xe8): undefined reference to `of_iomap'
   s390-linux-ld: timer-of.c:(.init.text+0x842): undefined reference to `iounmap'
   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_cleanup':
   timer-of.c:(.init.text+0xa82): undefined reference to `iounmap'

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