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| author | Gabor Juhos <juhosg@openwrt.org> | 2012-02-11 15:12:05 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2012-02-11 15:12:05 +0000 |
| commit | c6fa11d00f252bbceb8749c272d405f36b817e42 (patch) | |
| tree | 596dba5abcd2842cbbc36a902c51265a0274a464 | |
| parent | 2d055f130e02ff7ff53501b5c77705142a0a7904 (diff) | |
| download | mtk-20170518-c6fa11d00f252bbceb8749c272d405f36b817e42.zip mtk-20170518-c6fa11d00f252bbceb8749c272d405f36b817e42.tar.gz mtk-20170518-c6fa11d00f252bbceb8749c272d405f36b817e42.tar.bz2 | |
ramips: raeth: cleanup DMA API usage in ramips_eth_hard_start_xmit
SVN-Revision: 30447
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ramips.c | 9 |
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 e44e6b6..273c00d 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++; |