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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>
This commit is contained in:
Richard Cochran 2011-06-12 02:19:07 +00:00 committed by David S. Miller
parent 3e82ce120c
commit ec1d7c9a5e
1 changed files with 2 additions and 0 deletions
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2
drivers/net/smsc9420.c
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@ -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;
}