iommu/dma: Remove the flush_page callback
We now have a arch_dma_prep_coherent architecture hook that is used for the generic DMA remap allocator, and we should use the same interface for the dma-iommu code. Signed-off-by:Christoph Hellwig <hch@lst.de> Reviewed-by:
Robin Murphy <robin.murphy@arm.com> Acked-by:
Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
Joerg Roedel <jroedel@suse.de>
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