staging: ion: ion_cma_heap: Don't directly use dma_common_get_sgtable

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>

drivers/staging/android/ion/ion_cma_heap.c

@@ -73,8 +73,7 @@ static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer,
 	if (!info->table)
 		goto free_mem;
 
-	if (dma_common_get_sgtable
-	    (dev, info->table, info->cpu_addr, info->handle, len))
+	if (dma_get_sgtable(dev, info->table, info->cpu_addr, info->handle, len))
 		goto free_table;
 	/* keep this for memory release */
 	buffer->priv_virt = info;