Merge tag 'iommu-fixes-v4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "One fix for Intel VT-d:

   - Use BUS_NOTIFY_REMOVED_DEVICE notifier to unbind a device from its
     domain _after_ it has been unbound from its driver.  This fixes a
     BUG_ON being triggered in the PCI hotplug path.

  And three for AMD IOMMU:

   - Add a workaround for a hardware issue with ATS in use

   - Fix ATS enable/disable balance when a device is removed

   - Fix a boot warning being triggered when the system has IOMMU
     performance counters and PCI device 00:00.0 is not covered by the
     IOMMU"

* tag 'iommu-fixes-v4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Use BUS_NOTIFY_REMOVED_DEVICE in hotplug path
  iommu/amd: Detach device from domain before removal
  iommu/amd: Apply workaround for ATS write permission check
  iommu/amd: Fix boot warning when device 00:00.0 is not iommu covered