ARM/dma-mapping: drop .dma_supported for IOMMU ops

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When an IOMMU is present, we trust that it should be capable
of remapping any physical memory, and since the device masks
represent the input (virtual) addresses to the IOMMU it makes
no sense to validate them against physical PFNs anyway.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Marc Zyngier <maz@kernel.org>

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Robin Murphy 2022-04-21 12:36:57 +01:00 • committed by Christoph Hellwig

parent ae626eb973

commit 42998ef08a

1 changed files with 0 additions and 23 deletions

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arch/arm/mm/dma-mapping.c

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