[ti:ti-rt-linux-5.10.y 10104/10108] carveout-heap.c:undefined reference to `memunmap'

[kernel test robot <lkp@intel.com>]

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tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y
head:   b9f28fcb222bc4508077366b05ad5d44984087b0
commit: db3f0424e62cd12a92e31ea8c8a029ff0ce9b181 [10104/10108] dma-buf: heaps: Add Carveout heap to dmabuf heaps
config: s390-allmodconfig (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
        git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
        git fetch --no-tags ti ti-rt-linux-5.10.y
        git checkout db3f0424e62cd12a92e31ea8c8a029ff0ce9b181
        # 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@intel.com>

All errors (new ones prefixed by >>):

   s390-linux-ld: kernel/dma/coherent.o: in function `dma_init_coherent_memory':
   coherent.c:(.text+0x39c): undefined reference to `memremap'
   s390-linux-ld: coherent.c:(.text+0x482): undefined reference to `memunmap'
   s390-linux-ld: kernel/dma/coherent.o: in function `dma_declare_coherent_memory':
   coherent.c:(.text+0x67e): 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+0x62): undefined reference to `of_iomap'
   s390-linux-ld: irq-al-fic.c:(.init.text+0x368): undefined reference to `iounmap'
   s390-linux-ld: drivers/clk/clk-fixed-mmio.o: in function `fixed_mmio_clk_setup':
   clk-fixed-mmio.c:(.text+0x3c): undefined reference to `of_iomap'
   s390-linux-ld: clk-fixed-mmio.c:(.text+0x7e): undefined reference to `iounmap'
   s390-linux-ld: drivers/dma-buf/heaps/carveout-heap.o: in function `dma_heap_vunmap':
>> carveout-heap.c:(.text+0x6e): undefined reference to `memunmap'
   s390-linux-ld: drivers/dma-buf/heaps/carveout-heap.o: in function `dma_heap_vmap':
>> carveout-heap.c:(.text+0x128): undefined reference to `memremap'
   s390-linux-ld: drivers/dma-buf/heaps/carveout-heap.o: in function `dma_heap_dma_buf_release':
   carveout-heap.c:(.text+0x2c8): undefined reference to `memunmap'
   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_init':
   timer-of.c:(.init.text+0xc4): undefined reference to `of_iomap'
   s390-linux-ld: timer-of.c:(.init.text+0x5aa): undefined reference to `iounmap'
   s390-linux-ld: drivers/clocksource/timer-of.o: in function `timer_of_cleanup':
   timer-of.c:(.init.text+0x71a): 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+0x474): undefined reference to `of_iomap'
   s390-linux-ld: timer-microchip-pit64b.c:(.init.text+0x8d8): undefined reference to `iounmap'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MFD_CORE
   Depends on HAS_IOMEM
   Selected by
   - MFD_HI6421_SPMI && STAGING && OF && SPMI

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

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