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>
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 467bcff..4930f9d 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1209,7 +1209,7 @@
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 @@
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) {