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, 0 insertions, 2 deletions

diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index e282d0ae6a3d..268ea4d566d7 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -2214,7 +2214,6 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 dprintk("\n");
         }
 
-        dev->trans_start = jiffies;
         writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl);
         return NETDEV_TX_OK;
 }
@@ -2369,7 +2368,6 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb,
                 dprintk("\n");
         }
 
-        dev->trans_start = jiffies;
         writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl);
         return NETDEV_TX_OK;
 }