Merge tag 'iommu-updates-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "The updates are mostly about the x86 IOMMUs this time.

  Exceptions are the groundwork for the PAMU IOMMU from Freescale (for a
  PPC platform) and an extension to the IOMMU group interface.

  On the x86 side this includes a workaround for VT-d to disable
  interrupt remapping on broken chipsets.  On the AMD-Vi side the most
  important new feature is a kernel command-line interface to override
  broken information in IVRS ACPI tables and get interrupt remapping
  working this way.

  Besides that there are small fixes all over the place."

* tag 'iommu-updates-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (24 commits)
  iommu/tegra: Fix printk formats for dma_addr_t
  iommu: Add a function to find an iommu group by id
  iommu/vt-d: Remove warning for HPET scope type
  iommu: Move swap_pci_ref function to drivers/iommu/pci.h.
  iommu/vt-d: Disable translation if already enabled
  iommu/amd: fix error return code in early_amd_iommu_init()
  iommu/AMD: Per-thread IOMMU Interrupt Handling
  iommu: Include linux/err.h
  iommu/amd: Workaround for ERBT1312
  iommu/amd: Document ivrs_ioapic and ivrs_hpet parameters
  iommu/amd: Don't report firmware bugs with cmd-line ivrs overrides
  iommu/amd: Add ioapic and hpet ivrs override
  iommu/amd: Add early maps for ioapic and hpet
  iommu/amd: Extend IVRS special device data structure
  iommu/amd: Move add_special_device() to __init
  iommu: Fix compile warnings with forward declarations
  iommu/amd: Properly initialize irq-table lock
  iommu/amd: Use AMD specific data structure for irq remapping
  iommu/amd: Remove map_sg_no_iommu()
  iommu/vt-d: add quirk for broken interrupt remapping on 55XX chipsets
  ...

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