diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index fa1668174176..8f36cdc2f901 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1320,14 +1320,19 @@ EXPORT_SYMBOL(phy_ethtool_get_eee); */ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data) { - int val = ethtool_adv_to_mmd_eee_adv_t(data->advertised); + int cap, adv; - /* Mask prohibited EEE modes */ - val &= ~phydev->eee_broken_modes; + /* Get Supported EEE */ + cap = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE); + if (cap < 0) + return cap; - phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val); + adv = ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap; - return 0; + /* Mask prohibited EEE modes */ + adv &= ~phydev->eee_broken_modes; + + return phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, adv); } EXPORT_SYMBOL(phy_ethtool_set_eee); |