mapping.c:undefined reference to `phys_to_dma'

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   aae5ab854e38151e69f261dbf0e3b7e396403178
commit: 5ceda74093a5c1c3f42a02b894df031f3bbc9af1 dma-direct: rename and cleanup __phys_to_dma
date:   3 months ago
config: mips-randconfig-r031-20201129 (attached as .config)
compiler: mips64-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=5ceda74093a5c1c3f42a02b894df031f3bbc9af1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 5ceda74093a5c1c3f42a02b894df031f3bbc9af1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

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 >>):

   mips64-linux-ld: kernel/dma/mapping.o: in function `dma_map_page_attrs':
>> mapping.c:(.text+0x10c): undefined reference to `phys_to_dma'
   mips64-linux-ld: kernel/dma/mapping.o: in function `dma_unmap_page_attrs':
   mapping.c:(.text+0x23c): undefined reference to `dma_to_phys'
   mips64-linux-ld: mapping.c:(.text+0x274): undefined reference to `dma_to_phys'
   mips64-linux-ld: kernel/dma/mapping.o: in function `dma_sync_single_for_cpu':
   mapping.c:(.text+0x3d4): undefined reference to `dma_to_phys'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_get_required_mask':
>> direct.c:(.text+0xe4): undefined reference to `phys_to_dma'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_alloc':
   direct.c:(.text+0x210): undefined reference to `dma_to_phys'
>> mips64-linux-ld: direct.c:(.text+0x2d8): undefined reference to `phys_to_dma'
   mips64-linux-ld: direct.c:(.text+0x354): undefined reference to `phys_to_dma'
   mips64-linux-ld: direct.c:(.text+0x42c): undefined reference to `phys_to_dma'
   mips64-linux-ld: direct.c:(.text+0x4d8): undefined reference to `dma_to_phys'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_free':
   direct.c:(.text+0x5d8): undefined reference to `dma_to_phys'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_map_sg':
   direct.c:(.text+0x764): undefined reference to `phys_to_dma'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_get_sgtable':
   direct.c:(.text+0xa00): undefined reference to `dma_to_phys'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_mmap':
   direct.c:(.text+0xb10): undefined reference to `dma_to_phys'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_supported':
   direct.c:(.text+0xbf8): undefined reference to `phys_to_dma'
   mips64-linux-ld: kernel/dma/direct.o: in function `dma_direct_need_sync':
   direct.c:(.text+0xc28): undefined reference to `dma_to_phys'

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

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