net: replace dma_sync_single with dma_sync_single_for_cpu

This replaces dma_sync_single() with dma_sync_single_for_cpu() because
dma_sync_single() is an obsolete API; include/linux/dma-mapping.h says:

/* Backwards compat, remove in 2.7.x */
#define dma_sync_single		dma_sync_single_for_cpu
#define dma_sync_sg		dma_sync_sg_for_cpu

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/arm/ep93xx_eth.c b/drivers/net/arm/ep93xx_eth.c
index b72b3d6..fbf4645 100644
--- a/drivers/net/arm/ep93xx_eth.c
+++ b/drivers/net/arm/ep93xx_eth.c
@@ -253,7 +253,7 @@
 		skb = dev_alloc_skb(length + 2);
 		if (likely(skb != NULL)) {
 			skb_reserve(skb, 2);
-			dma_sync_single(NULL, ep->descs->rdesc[entry].buf_addr,
+			dma_sync_single_for_cpu(NULL, ep->descs->rdesc[entry].buf_addr,
 						length, DMA_FROM_DEVICE);
 			skb_copy_to_linear_data(skb, ep->rx_buf[entry], length);
 			skb_put(skb, length);
@@ -331,7 +331,7 @@
 	ep->descs->tdesc[entry].tdesc1 =
 		TDESC1_EOF | (entry << 16) | (skb->len & 0xfff);
 	skb_copy_and_csum_dev(skb, ep->tx_buf[entry]);
-	dma_sync_single(NULL, ep->descs->tdesc[entry].buf_addr,
+	dma_sync_single_for_cpu(NULL, ep->descs->tdesc[entry].buf_addr,
 				skb->len, DMA_TO_DEVICE);
 	dev_kfree_skb(skb);