From: Chaithrika U S <[EMAIL PROTECTED]>

Modifies the autoneg config in LXT971 driver.
The PHY was not re-activated after a change in the link speed, a reset before
the autonegotiation process resolved the issue. After the reset, the generic
code takes over.

Signed-off-by: Chaithrika U S <[EMAIL PROTECTED]>
---
 drivers/net/phy/lxt.c |   17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)

diff --git a/drivers/net/phy/lxt.c b/drivers/net/phy/lxt.c
index 4cf3324..7127024 100644
--- a/drivers/net/phy/lxt.c
+++ b/drivers/net/phy/lxt.c
@@ -120,6 +120,21 @@ static int lxt971_config_intr(struct phy_device *phydev)
        return err;
 }
 
+int lxt971_config_aneg(struct phy_device *phydev)
+{
+       int ctl = 0;
+       ctl = phy_read(phydev, MII_BMCR);
+       if (ctl < 0)
+               return ctl;
+       ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 |
+                BMCR_ANENABLE);
+
+       /* First clear the PHY */
+       phy_write(phydev, MII_BMCR, ctl | BMCR_RESET);
+
+       return genphy_config_aneg(phydev);
+}
+
 static struct phy_driver lxt970_driver = {
        .phy_id         = 0x78100000,
        .name           = "LXT970",
@@ -140,7 +155,7 @@ static struct phy_driver lxt971_driver = {
        .phy_id_mask    = 0xfffffff0,
        .features       = PHY_BASIC_FEATURES,
        .flags          = PHY_HAS_INTERRUPT,
-       .config_aneg    = genphy_config_aneg,
+       .config_aneg    = lxt971_config_aneg,
        .read_status    = genphy_read_status,
        .ack_interrupt  = lxt971_ack_interrupt,
        .config_intr    = lxt971_config_intr,
-- 
1.5.4.1

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