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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/3c509.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
downloadop-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.zip
op-kernel-dev-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz
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/3c509.c')
-rw-r--r--drivers/net/3c509.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index ab9bb3c..54deaa9 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -807,7 +807,7 @@ el3_tx_timeout (struct net_device *dev)
dev->name, inb(ioaddr + TX_STATUS), inw(ioaddr + EL3_STATUS),
inw(ioaddr + TX_FREE));
dev->stats.tx_errors++;
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
/* Issue TX_RESET and TX_START commands. */
outw(TxReset, ioaddr + EL3_CMD);
outw(TxEnable, ioaddr + EL3_CMD);
@@ -868,7 +868,6 @@ el3_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* ... 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_start_queue(dev);
else
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