davinci_emac: enable transmit time stamping.

This patch enables software (and phy device) transmit time stamping
for the DaVinci EMAC driver. Tested together with the dp83640 PHY.

Cc: Anant Gole <[email protected]>
Cc: Kevin Hilman <[email protected]>
Signed-off-by: Richard Cochran <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 5c2baa4f785afcea4c86d583270e51ce4143fc96..f5688ff58a406d036873950ccf6e68a02af0878f 100644 (file)
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -1090,6 +1090,7 @@ static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev)
                        dev_err(emac_dev, "DaVinci EMAC: desc submit failed");
                goto fail_tx;
        }
+       skb_tx_timestamp(skb);
 
        return NETDEV_TX_OK;