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, 1 deletions

diff --git a/drivers/net/meth.c b/drivers/net/meth.c
index 9f72cb45f4af..16a35944c2da 100644
--- a/drivers/net/meth.c
+++ b/drivers/net/meth.c
@@ -746,7 +746,7 @@ static void meth_tx_timeout(struct net_device *dev)
         /* Enable interrupt */
         spin_unlock_irqrestore(&priv->meth_lock, flags);
 
-        dev->trans_start = jiffies;
+        dev->trans_start = jiffies; /* prevent tx timeout */
         netif_wake_queue(dev);
 
         return;