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Use dma_get_sgtable rather than dma_common_get_sgtable so a device's dma_ops aren't bypassed. This is essential in situations where a device uses an IOMMU and the physical memory is not contiguous (as the common function assumes). Signed-off-by: Jon Medhurst <tixy@linaro.org> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>