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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/3c59x.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadlinux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.bz2
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/3c59x.c')
-rw-r--r--drivers/net/3c59x.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 97525307ed27..dab2afac6ddc 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1917,7 +1917,7 @@ static void vortex_tx_timeout(struct net_device *dev)
/* Issue Tx Enable */
iowrite16(TxEnable, ioaddr + EL3_CMD);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
/* Switch to register set 7 for normal use. */
EL3WINDOW(7);
@@ -2063,7 +2063,6 @@ vortex_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
}
- dev->trans_start = jiffies;
/* Clear the Tx status stack. */
{
@@ -2174,7 +2173,6 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
iowrite16(DownUnstall, ioaddr + EL3_CMD);
spin_unlock_irqrestore(&vp->lock, flags);
- dev->trans_start = jiffies;
return NETDEV_TX_OK;
}