tree 98ab9b744ee62676fa714804a072b5e0dd2caf0f
parent f1d84548694fe45f3348c0379d7277fed05bbcf0
author Will Deacon <will.deacon@arm.com> 1421677653 +0000
committer Will Deacon <will.deacon@arm.com> 1427463576 +0000

iommu/arm-smmu: handle multi-alias IOMMU groups for PCI devices

IOMMU groups for PCI devices can correspond to multiple DMA aliases due
to things like ACS and PCI quirks.

This patch extends the ARM SMMU ->add_device callback so that we
consider all of the DMA aliases for a PCI IOMMU group, rather than
creating a separate group for each Requester ID.

Signed-off-by: Will Deacon <will.deacon@arm.com>