This patch enables the ethtool utility to control the WOL function
of the PHY connected to the GEM/MACB. (if supported)

Signed-off-by: Jongsung Kim <neidhard....@lge.com>
---
 drivers/net/ethernet/cadence/macb.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb.c 
b/drivers/net/ethernet/cadence/macb.c
index e9daa07..7ad8909 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -1742,11 +1742,37 @@ static void macb_get_regs(struct net_device *dev, 
struct ethtool_regs *regs,
        }
 }
 
+static void macb_get_wol(struct net_device *netdev, struct ethtool_wolinfo 
*wol)
+{
+       struct macb *bp = netdev_priv(netdev);
+       struct phy_device *phydev = bp->phy_dev;
+
+       wol->supported = 0;
+       wol->wolopts = 0;
+
+       if (phydev)
+               phy_ethtool_get_wol(phydev, wol);
+}
+
+static int macb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+       struct macb *bp = netdev_priv(netdev);
+       struct phy_device *phydev = bp->phy_dev;
+       int err = -ENODEV;
+
+       if (phydev)
+               err = phy_ethtool_set_wol(phydev, wol);
+
+       return err;
+}
+
 const struct ethtool_ops macb_ethtool_ops = {
        .get_settings           = macb_get_settings,
        .set_settings           = macb_set_settings,
        .get_regs_len           = macb_get_regs_len,
        .get_regs               = macb_get_regs,
+       .get_wol                = macb_get_wol,
+       .set_wol                = macb_set_wol,
        .get_link               = ethtool_op_get_link,
        .get_ts_info            = ethtool_op_get_ts_info,
 };
-- 
1.7.1

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