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>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 467bcff13cd0..4930f9dbc493 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1209,7 +1209,7 @@ static void rhine_reset_task(struct work_struct *work)
         spin_unlock_bh(&rp->lock);
         enable_irq(rp->pdev->irq);
 
-        dev->trans_start = jiffies;
+        dev->trans_start = jiffies; /* prevent tx timeout */
         dev->stats.tx_errors++;
         netif_wake_queue(dev);
 }
@@ -1294,8 +1294,6 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb,
         if (rp->cur_tx == rp->dirty_tx + TX_QUEUE_LEN)
                 netif_stop_queue(dev);
 
-        dev->trans_start = jiffies;
-
         spin_unlock_irqrestore(&rp->lock, flags);
 
         if (debug > 4) {