msg->data.addr[0] = dma_map_single(port->dev, skb->data,
skb->len, DMA_TO_DEVICE);
msg->data.addr[0] = dma_map_single(port->dev, skb->data,
skb->len, DMA_TO_DEVICE);
dma_unmap_single(msg->dev, dma_address, dma_length,
DMA_TO_DEVICE);
dma_unmap_single(msg->dev, dma_address, dma_length,
DMA_TO_DEVICE);