From: Gabor Juhos <juhosg@openwrt.org>
Date: Sat, 11 Feb 2012 15:11:56 +0000 (+0000)
Subject: ramips: raeth: unmap DMA memory when a packet is received
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=df5892d1f1909ea347d8c6b2a74f28b4757656e1;p=openwrt%2Fstaging%2Fneocturne.git

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 338d200bd7..17ef00bdcd 100644
--- 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);