Re: [PATCH v2 2/5] iommu: Implement of_iommu_get_resv_regions()

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

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Hi Thierry,

I love your patch! Yet something to improve:

[auto build test ERROR on iommu/next]
[also build test ERROR on robh/for-next tegra/for-next v5.12-rc8 next-20210423]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Thierry-Reding/iommu-Support-identity-mappings-of-reserved-memory-regions/20210424-003359
base:   https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
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://github.com/0day-ci/linux/commit/f1739db16f3efc86922c0b708e838c9207c66ea4
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Thierry-Reding/iommu-Support-identity-mappings-of-reserved-memory-regions/20210424-003359
        git checkout f1739db16f3efc86922c0b708e838c9207c66ea4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 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+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/iommu/of_iommu.o: in function `of_iommu_get_resv_regions':
>> (.text+0x7a6): undefined reference to `of_address_to_resource'
   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+0x14a): undefined reference to `of_iomap'
   s390-linux-ld: timer-microchip-pit64b.c:(.init.text+0xc72): undefined reference to `iounmap'

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

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