Robin Murphy 9197bc958f iommu/rockchip: Remove redundant DMA syncs
When we allocate new pagetable pages, we don't modify them between the
initial dma_map_single() call and the dma_sync_single_for_device() call
via rk_iommu_flush(), so the latter is entirely pointless.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/5c29a9ff0a20df0167635b1901f94b5195c1fb28.1621604979.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-06-04 17:11:26 +02:00
..
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2020-11-23 14:16:55 +00:00
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