From b32648b627f58f614b6e4ad386ad25fb16f853e8 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sat, 11 Feb 2012 15:12:05 +0000 Subject: [PATCH] ramips: raeth: cleanup DMA API usage in ramips_eth_hard_start_xmit SVN-Revision: 30447 --- target/linux/ramips/files/drivers/net/ramips.c | 9 ++++----- 1 file 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++; -- 2.30.2