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

SVN-Revision: 30443

diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c
index 338d200bd774747d7a8a1afdfdcfa8bd0a892e5c..17ef00bdcd621532a1afe4c9f57098375582595d 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);