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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-10 14:01:31 +0200
committerDavid S. Miller <davem@davemloft.net>2010-05-10 14:01:31 +0200
commit1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch)
treed1955a7639e99832590df26466a34d5786a880ae /drivers/net/lance.c
parentBluetooth: Fix issues where sk_sleep() helper is needed now (diff)
downloadlinux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.xz
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/lance.c')
-rw-r--r--drivers/net/lance.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/lance.c b/drivers/net/lance.c
index 7b9447646f8a..21f8adaa87c1 100644
--- a/drivers/net/lance.c
+++ b/drivers/net/lance.c
@@ -945,7 +945,7 @@ static void lance_tx_timeout (struct net_device *dev)
#endif
lance_restart (dev, 0x0043, 1);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
@@ -1011,8 +1011,6 @@ static netdev_tx_t lance_start_xmit(struct sk_buff *skb,
outw(0x0000, ioaddr+LANCE_ADDR);
outw(0x0048, ioaddr+LANCE_DATA);
- dev->trans_start = jiffies;
-
if ((lp->cur_tx - lp->dirty_tx) >= TX_RING_SIZE)
netif_stop_queue(dev);