diff options
Diffstat (limited to 'drivers/net/phy/phy-c45.c')
| -rw-r--r-- | drivers/net/phy/phy-c45.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index 0bcbdce38107..8a0ffc3174ec 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -1228,8 +1228,11 @@ int gen10g_config_aneg(struct phy_device *phydev) } EXPORT_SYMBOL_GPL(gen10g_config_aneg); -int genphy_c45_loopback(struct phy_device *phydev, bool enable) +int genphy_c45_loopback(struct phy_device *phydev, bool enable, int speed) { + if (enable && speed) + return -EOPNOTSUPP; + return phy_modify_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1, MDIO_PCS_CTRL1_LOOPBACK, enable ? MDIO_PCS_CTRL1_LOOPBACK : 0); |