From ec1d7c9a5e9c136e08a9b1df3109ad5d38d8179c Mon Sep 17 00:00:00 2001
From: Richard Cochran <richardcochran@gmail.com>
Date: Sun, 12 Jun 2011 02:19:07 +0000
Subject: [PATCH] smsc9420: enable transmit time stamping.

This patch enables software (and phy device) transmit time stamping
for the smsc9420. Compile tested only.

Cc: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
---
 drivers/net/smsc9420.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index 5e5e64da5cb9..5555102bb964 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c
@@ -1035,6 +1035,8 @@ static netdev_tx_t smsc9420_hard_start_xmit(struct sk_buff *skb,
 	smsc9420_reg_write(pd, TX_POLL_DEMAND, 1);
 	smsc9420_pci_flush_write(pd);
 
+	skb_tx_timestamp(skb);
+
 	return NETDEV_TX_OK;
 }
 
-- 
2.20.1