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(parent: 89df3a9) | patch
iommu/arm-smmu: Convert DMA buffer allocations to the managed API
authorWill Deacon <will.deacon@arm.com>
Fri, 30 Oct 2015 18:12:41 +0000 (18:12 +0000)
committerWill Deacon <will.deacon@arm.com>
Thu, 17 Dec 2015 12:05:32 +0000 (12:05 +0000)
commit04fa26c71be5d7cf1c63f23f6345dad209f361d7
tree5d20c950030f72ce7dfe8bbcbaa88c40c9c4e6b6tree | snapshot
parent89df3a96baeaf5d565183e9e9fc35c9974c20d68commit | diff
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>
drivers/iommu/arm-smmu-v3.c diff | blob | history
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