tree 5d20c950030f72ce7dfe8bbcbaa88c40c9c4e6b6
parent 89df3a96baeaf5d565183e9e9fc35c9974c20d68
author Will Deacon <will.deacon@arm.com> 1446228761 +0000
committer Will Deacon <will.deacon@arm.com> 1450353932 +0000

iommu/arm-smmu: Convert DMA buffer allocations to the managed API

The ARM SMMUv3 driver uses dma_{alloc,free}_coherent to manage its
queues and configuration data structures.

This patch converts the driver to the managed (dmam_*) API, so that
resources are freed automatically on device teardown. This greatly
simplifies the failure paths and allows us to remove a bunch of
handcrafted freeing code.

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