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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-10 05:01:31 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-10 05:01:31 -0700
commit1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch)
treed1955a7639e99832590df26466a34d5786a880ae /drivers/net/pcmcia/3c589_cs.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadblackbird-op-linux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz
blackbird-op-linux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.zip
net: trans_start cleanups
Now that core network takes care of trans_start updates, dont do it in drivers themselves, if possible. Drivers can avoid one cache miss (on dev->trans_start) in their start_xmit() handler. Exceptions are NETIF_F_LLTX drivers Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/pcmcia/3c589_cs.c')
-rw-r--r--drivers/net/pcmcia/3c589_cs.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c
index 580977f56ad0..d6a459dd4894 100644
--- a/drivers/net/pcmcia/3c589_cs.c
+++ b/drivers/net/pcmcia/3c589_cs.c
@@ -563,7 +563,7 @@ static void el3_tx_timeout(struct net_device *dev)
netdev_warn(dev, "Transmit timed out!\n");
dump_status(dev);
dev->stats.tx_errors++;
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
/* Issue TX_RESET and TX_START commands. */
tc589_wait_for_completion(dev, TxReset);
outw(TxEnable, ioaddr + EL3_CMD);
@@ -611,7 +611,6 @@ static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
/* ... and the packet rounded to a doubleword. */
outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
- dev->trans_start = jiffies;
if (inw(ioaddr + TX_FREE) <= 1536) {
netif_stop_queue(dev);
/* Interrupt us when the FIFO has room for max-sized packet. */
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