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3abc48ae35
The DMA functionality fails to work on some Intel based platforms. Some recent Intel platforms have an IOMMU. Transferring the DMA descriptors, which were mapped using virt_to_phys(), failed. This patch updates the driver to use dma_map_single(). Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>