iommu/dma: Refactor iommu_dma_alloc

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Shuffle around the self-contained atomic and non-contiguous cases to
return early and get out of the way of the CMA case that we're about to
work on next.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
[hch: slight changes to the code flow]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Robin Murphy 2019-05-20 09:29:37 +02:00 • committed by Joerg Roedel

parent bcf4b9c4c2

commit 072bebc069

1 changed files with 30 additions and 30 deletions

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drivers/iommu/dma-iommu.c

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