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 <anantgole@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 5c2baa4..f5688ff 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;