[PATCH] ucc_geth: Add ucc_geth_change_carrier()

[Joakim Tjernlund]

This allows to control carrier from /sys/class/net/ethX/carrier

Signed-off-by: Joakim Tjernlund <joakim.tjernl...@infinera.com>
---
 drivers/net/ethernet/freescale/ucc_geth.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/freescale/ucc_geth.c 
b/drivers/net/ethernet/freescale/ucc_geth.c
index e8debbde0a34..2f4c2f550be6 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3680,11 +3680,22 @@ static int ucc_geth_ioctl(struct net_device *dev, 
struct ifreq *rq, int cmd)
        return phy_mii_ioctl(ugeth->phydev, rq, cmd);
 }
 
+static int ucc_geth_change_carrier(struct net_device *dev, bool new_carrier)
+{
+       struct phy_device *phydev = dev->phydev;
+
+       if (phydev && phydev->phy_link_change)
+               phydev->phy_link_change(phydev, new_carrier, 1);
+
+       return 0;
+}
+
 static const struct net_device_ops ucc_geth_netdev_ops = {
        .ndo_open               = ucc_geth_open,
        .ndo_stop               = ucc_geth_close,
        .ndo_start_xmit         = ucc_geth_start_xmit,
        .ndo_validate_addr      = eth_validate_addr,
+       .ndo_change_carrier     = ucc_geth_change_carrier,
        .ndo_set_mac_address    = ucc_geth_set_mac_addr,
        .ndo_set_rx_mode        = ucc_geth_set_multi,
        .ndo_tx_timeout         = ucc_geth_timeout,
-- 
2.18.1