sungem: convert to SKB paged frag API.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/sun/sungem.c

@@ -1071,10 +1071,8 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb,
 			u64 this_ctrl;
 
 			len = this_frag->size;
-			mapping = pci_map_page(gp->pdev,
-					       this_frag->page,
-					       this_frag->page_offset,
-					       len, PCI_DMA_TODEVICE);
+			mapping = skb_frag_dma_map(&gp->pdev->dev, this_frag,
+						   0, len, PCI_DMA_TODEVICE);
 			this_ctrl = ctrl;
 			if (frag == skb_shinfo(skb)->nr_frags - 1)
 				this_ctrl |= TXDCTRL_EOF;