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06e6295bce
IOMMU_HELPER is needed because SWIOTLB calls iommu_is_span_boundary, provided by lib/iommu_helper.c. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> CC: will.deacon@arm.com CC: linux@arm.linux.org.uk Changes in v8: - use __phys_to_pfn and __pfn_to_phys. Changes in v7: - dma_mark_clean: empty implementation; - in dma_capable use coherent_dma_mask if dma_mask hasn't been allocated. Changes in v6: - check for dev->dma_mask being NULL in dma_capable. Changes in v5: - implement dma_mark_clean using dmac_flush_range. Changes in v3: - dma_capable: do not treat dma_mask as a limit; - remove SWIOTLB dependency on NEED_SG_DMA_LENGTH. |
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