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Christoph Hellwig authored
Add a new iommu_bypass flag to struct dev_archdata so that the dma_iommu implementation can handle the direct mapping transparently instead of switiching ops around. Setting of this flag is controlled by new pci_controller_ops method. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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