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/sis900.c b/drivers/net/sis900.c
index 6293592..11f7ebe 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -1553,7 +1553,7 @@
spin_unlock_irqrestore(&sis_priv->lock, flags);
- net_dev->trans_start = jiffies;
+ net_dev->trans_start = jiffies; /* prevent tx timeout */
/* load Transmit Descriptor Register */
outl(sis_priv->tx_ring_dma, ioaddr + txdp);
@@ -1623,8 +1623,6 @@
spin_unlock_irqrestore(&sis_priv->lock, flags);
- net_dev->trans_start = jiffies;
-
if (netif_msg_tx_queued(sis_priv))
printk(KERN_DEBUG "%s: Queued Tx packet at %p size %d "
"to slot %d.\n",