/* Provide default implementations of the DMA mapping callbacks for busses using the iommu infrastructure Generic iommu implementation  */
static void* dma_iommu_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag)
/* Provide default implementations of the DMA mapping callbacks for busses using the iommu infrastructure Generic iommu implementation  */
static void* dma_iommu_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag)
{
	return iommu_alloc_coherent(dev, get_iommu_table_base(dev), size,
				    dma_handle, device_to_mask(dev), flag,
				    dev_to_node(dev));
}