ramips: raeth: unmap DMA memory when a packet is received

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30443 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c
index 338d200..17ef00b 100644 (file)
--- a/target/linux/ramips/files/drivers/net/ramips.c
+++ b/target/linux/ramips/files/drivers/net/ramips.c
@@ -282,6 +282,10 @@ ramips_eth_rx_hw(unsigned long ptr)
                new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN);
                /* Reuse the buffer on allocation failures */
                if (new_skb) {
+                       /* TODO: convert to use dma_address_t */
+                       dma_unmap_single(NULL, priv->rx[rx].rxd1, MAX_RX_LENGTH,
+                                        DMA_FROM_DEVICE);
+
                        skb_put(rx_skb, pktlen);
                        rx_skb->dev = dev;
                        rx_skb->protocol = eth_type_trans(rx_skb, dev);