Merge tag 'iommu-updates-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates for from Joerg Roedel:
 "This time the IOMMU updates are mostly cleanups or fixes.  No big new
  features or drivers this time.  In particular the changes include:

   - Bigger cleanup of the Domain<->IOMMU data structures and the code
     that manages them in the Intel VT-d driver.  This makes the code
     easier to understand and maintain, and also easier to keep the data
     structures in sync.  It is also a preparation step to make use of
     default domains from the IOMMU core in the Intel VT-d driver.

   - Fixes for a couple of DMA-API misuses in ARM IOMMU drivers, namely
     in the ARM and Tegra SMMU drivers.

   - Fix for a potential buffer overflow in the OMAP iommu driver's
     debug code

   - A couple of smaller fixes and cleanups in various drivers

   - One small new feature: Report domain-id usage in the Intel VT-d
     driver to easier detect bugs where these are leaked"

* tag 'iommu-updates-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (83 commits)
  iommu/vt-d: Really use upper context table when necessary
  x86/vt-d: Fix documentation of DRHD
  iommu/fsl: Really fix init section(s) content
  iommu/io-pgtable-arm: Unmap and free table when overwriting with block
  iommu/io-pgtable-arm: Move init-fn declarations to io-pgtable.h
  iommu/msm: Use BUG_ON instead of if () BUG()
  iommu/vt-d: Access iomem correctly
  iommu/vt-d: Make two functions static
  iommu/vt-d: Use BUG_ON instead of if () BUG()
  iommu/vt-d: Return false instead of 0 in irq_remapping_cap()
  iommu/amd: Use BUG_ON instead of if () BUG()
  iommu/amd: Make a symbol static
  iommu/amd: Simplify allocation in irq_remapping_alloc()
  iommu/tegra-smmu: Parameterize number of TLB lines
  iommu/tegra-smmu: Factor out tegra_smmu_set_pde()
  iommu/tegra-smmu: Extract tegra_smmu_pte_get_use()
  iommu/tegra-smmu: Use __GFP_ZERO to allocate zeroed pages
  iommu/tegra-smmu: Remove PageReserved manipulation
  iommu/tegra-smmu: Convert to use DMA API
  iommu/tegra-smmu: smmu_flush_ptc() wants device addresses
  ...

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