[ath6kl:pending 20/37] drivers/net/wireless/ath/ath10k/snoc.c:29:10: fatal error: asm/dma-iommu.h: No such file or directory

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending
head:   0b758430bdbe20d4a053d620ccadd35921208c1e
commit: e3d4af38659f6aef73c91e57f3bbcd977e5edf43 [20/37] ath10k: Enable IOMMU support for WCN3990 target
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout e3d4af38659f6aef73c91e57f3bbcd977e5edf43
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

>> drivers/net/wireless/ath/ath10k/snoc.c:29:10: fatal error: asm/dma-iommu.h: No such file or directory
    #include <asm/dma-iommu.h>
             ^~~~~~~~~~~~~~~~~
   compilation terminated.

vim +29 drivers/net/wireless/ath/ath10k/snoc.c

  > 29	#include <asm/dma-iommu.h>
    30	#include <linux/iommu.h>
    31	#include <linux/dma-mapping.h>
    32	

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