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authorGabor Juhos <juhosg@openwrt.org>2012-02-11 15:12:05 +0000
committerGabor Juhos <juhosg@openwrt.org>2012-02-11 15:12:05 +0000
commitc6fa11d00f252bbceb8749c272d405f36b817e42 (patch)
tree596dba5abcd2842cbbc36a902c51265a0274a464 /target/linux/ramips/files/drivers/net
parent2d055f130e02ff7ff53501b5c77705142a0a7904 (diff)
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ramips: raeth: cleanup DMA API usage in ramips_eth_hard_start_xmit
SVN-Revision: 30447
Diffstat (limited to 'target/linux/ramips/files/drivers/net')
-rw-r--r--target/linux/ramips/files/drivers/net/ramips.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c
index e44e6b6540..273c00dc2a 100644
--- a/target/linux/ramips/files/drivers/net/ramips.c
+++ b/target/linux/ramips/files/drivers/net/ramips.c
@@ -219,7 +219,7 @@ ramips_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct raeth_priv *priv = netdev_priv(dev);
unsigned long tx;
unsigned int tx_next;
- unsigned int mapped_addr;
+ dma_addr_t mapped_addr;
if (priv->plat->min_pkt_len) {
if (skb->len < priv->plat->min_pkt_len) {
@@ -234,9 +234,8 @@ ramips_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
dev->trans_start = jiffies;
- mapped_addr = (unsigned int) dma_map_single(NULL, skb->data, skb->len,
- DMA_TO_DEVICE);
- dma_sync_single_for_device(NULL, mapped_addr, skb->len, DMA_TO_DEVICE);
+ mapped_addr = dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE);
+
spin_lock(&priv->page_lock);
tx = ramips_fe_rr(RAMIPS_TX_CTX_IDX0);
tx_next = (tx + 1) % NUM_TX_DESC;
@@ -246,7 +245,7 @@ ramips_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
!(priv->tx[tx_next].txd2 & TX_DMA_DONE))
goto out;
- priv->tx[tx].txd1 = mapped_addr;
+ priv->tx[tx].txd1 = (unsigned int) mapped_addr;
priv->tx[tx].txd2 &= ~(TX_DMA_PLEN0_MASK | TX_DMA_DONE);
priv->tx[tx].txd2 |= TX_DMA_PLEN0(skb->len);
dev->stats.tx_packets++;