diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/phy/marvell.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 723f25f6138d..f86c9ddc609e 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -967,22 +967,28 @@ static int m88e1111_get_downshift(struct phy_device *phydev, u8 *data) static int m88e1111_set_downshift(struct phy_device *phydev, u8 cnt) { - int val; + int val, err; if (cnt > MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX) return -E2BIG; - if (!cnt) - return phy_clear_bits(phydev, MII_M1111_PHY_EXT_CR, - MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN); + if (!cnt) { + err = phy_clear_bits(phydev, MII_M1111_PHY_EXT_CR, + MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN); + } else { + val = MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN; + val |= FIELD_PREP(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, cnt - 1); - val = MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN; - val |= FIELD_PREP(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, cnt - 1); + err = phy_modify(phydev, MII_M1111_PHY_EXT_CR, + MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN | + MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, + val); + } - return phy_modify(phydev, MII_M1111_PHY_EXT_CR, - MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN | - MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, - val); + if (err < 0) + return err; + + return genphy_soft_reset(phydev); } static int m88e1111_get_tunable(struct phy_device *phydev, |