[PATCH net-next] net: fec: remove stale comment

[YueHaibing]

This comment is outdated as fec_ptp_ioctl has been replaced by fec_ptp_set/fec_ptp_get 
since commit 1d5244d0e43b ("fec: Implement the SIOCGHWTSTAMP ioctl")

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/net/ethernet/freescale/fec_ptp.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index f814397..d438ef8 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -466,12 +466,6 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
 	return -EOPNOTSUPP;
 }
 
-/**
- * fec_ptp_hwtstamp_ioctl - control hardware time stamping
- * @ndev: pointer to net_device
- * @ifreq: ioctl data
- * @cmd: particular ioctl requested
- */
 int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr)
 {
 	struct fec_enet_private *fep = netdev_priv(ndev);
-- 
2.7.0