Merge tag 'iommu-updates-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "This time there are not a lot of changes coming from the IOMMU side.

  That is partly because I returned from my parental leave late in the
  development process and probably partly because everyone was busy with
  Spectre and Meltdown mitigation work and didn't find the time for
  IOMMU work. So here are the few changes that queued up for this merge
  window:

   - 5-level page-table support for the Intel IOMMU.

   - error reporting improvements for the AMD IOMMU driver

   - additional DT bindings for ipmmu-vmsa (Renesas)

   - small fixes and cleanups"

* tag 'iommu-updates-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu: Clean up of_iommu_init_fn
  iommu/ipmmu-vmsa: Remove redundant of_iommu_init_fn hook
  iommu/msm: Claim bus ops on probe
  iommu/vt-d: Enable 5-level paging mode in the PASID entry
  iommu/vt-d: Add a check for 5-level paging support
  iommu/vt-d: Add a check for 1GB page support
  iommu/vt-d: Enable upto 57 bits of domain address width
  iommu/vt-d: Use domain instead of cache fetching
  iommu/exynos: Don't unconditionally steal bus ops
  iommu/omap: Fix debugfs_create_*() usage
  iommu/vt-d: clean up pr_irq if request_threaded_irq fails
  iommu: Check the result of iommu_group_get() for NULL
  iommu/ipmmu-vmsa: Add r8a779(70|95) DT bindings
  iommu/ipmmu-vmsa: Add r8a7796 DT binding
  iommu/amd: Set the device table entry PPR bit for IOMMU V2 devices
  iommu/amd - Record more information about unknown events

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