ERROR: "bad_dma_ops" [drivers/net/ethernet/qualcomm/emac/qcom-emac.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a6930aaee06755d1bdcfd943fbf614e4d92bb0c7
commit: b9b17debc69d27cd55e21ee51a5ba7fc50a426cf net: emac: emac gigabit ethernet controller driver
date:   5 weeks ago
config: m32r-allmodconfig (attached as .config)
compiler: m32r-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout b9b17debc69d27cd55e21ee51a5ba7fc50a426cf
        # save the attached .config to linux build tree
        make.cross ARCH=m32r 

All errors (new ones prefixed by >>):

   ERROR: "bad_dma_ops" [sound/soc/bcm/snd-soc-cygnus.ko] undefined!
   ERROR: "bad_dma_ops" [sound/core/snd-pcm.ko] undefined!
   ERROR: "dma_common_mmap" [sound/core/snd-pcm.ko] undefined!
>> ERROR: "bad_dma_ops" [drivers/net/ethernet/qualcomm/emac/qcom-emac.ko] undefined!
   ERROR: "bad_dma_ops" [drivers/media/platform/mtk-vpu/mtk-vpu.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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