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net: trans_start cleanups

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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>
This commit is contained in:
Eric Dumazet
2010-05-10 05:01:31 -07:00
committed by David S. Miller
parent 2b0b05ddc0
commit 1ae5dc342a
168 changed files with 103 additions and 314 deletions
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3
drivers/net/wireless/wl3501_cs.c
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@@ -1307,7 +1307,7 @@ static void wl3501_tx_timeout(struct net_device *dev)
printk(KERN_ERR "%s: Error %d resetting card on Tx timeout!\n",
dev->name, rc);
else {
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
}
}
@@ -1326,7 +1326,6 @@ static netdev_tx_t wl3501_hard_start_xmit(struct sk_buff *skb,
spin_lock_irqsave(&this->lock, flags);
enabled = wl3501_block_interrupt(this);
dev->trans_start = jiffies;
rc = wl3501_send_pkt(this, skb->data, skb->len);
if (enabled)
wl3501_unblock_interrupt(this);