iommu/dma: Use for_each_sg in iommu_dma_alloc

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arch_dma_prep_coherent can handle physically contiguous ranges larger
than PAGE_SIZE just fine, which means we don't need a page-based
iterator.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Christoph Hellwig 2019-05-20 09:29:28 +02:00 • committed by Joerg Roedel

parent af751d4308

commit 23f88e0a7e

1 changed files with 5 additions and 9 deletions

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drivers/iommu/dma-iommu.c

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