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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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6
drivers/net/arm/w90p910_ether.c
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@ -483,7 +483,7 @@ static void w90p910_reset_mac(struct net_device *dev)
w90p910_init_desc(dev);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
ether->cur_tx = 0x0;
ether->finish_tx = 0x0;
ether->cur_rx = 0x0;
@ -497,7 +497,7 @@ static void w90p910_reset_mac(struct net_device *dev)
w90p910_trigger_tx(dev);
w90p910_trigger_rx(dev);
dev->trans_start = jiffies;
dev->trans_start = jiffies; /* prevent tx timeout */
if (netif_queue_stopped(dev))
netif_wake_queue(dev);
@ -634,8 +634,6 @@ static int w90p910_send_frame(struct net_device *dev,
txbd = &ether->tdesc->desclist[ether->cur_tx];
dev->trans_start = jiffies;
if (txbd->mode & TX_OWEN_DMA)
netif_stop_queue(dev);