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/3c507.c b/drivers/net/3c507.c
index 9e95afa..c4e272f 100644
--- a/drivers/net/3c507.c
+++ b/drivers/net/3c507.c
@@ -504,7 +504,7 @@
outb (0, ioaddr + SIGNAL_CA); /* Issue channel-attn. */
lp->last_restart = dev->stats.tx_packets;
}
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
@@ -528,7 +528,6 @@
hardware_send_packet (dev, buf, skb->len, length - skb->len);
- dev->trans_start = jiffies;
/* Enable the 82586 interrupt input. */
outb (0x84, ioaddr + MISC_CTRL);