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255a69a94b
sparc32 is the last platform making dynamic decisions in get_arch_dma_ops based on the bus passed in. Instead set the iommu dma_ops at iommu probing and propagate them in of_propagate_archdata, falling back to the NULL ops for the direct mapping in the Leon or PCI case. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>