[PATCH] net: phy: Fix mask value write on gmii2rgmii converter speed register.

[Fahad Kunnathadi]

To clear Speed Selection in MDIO control register(0x10),
ie, clear bits 6 and 13 to zero while keeping other bits same.
Before AND operation,The Mask value has to be perform with bitwise NOT
operation (ie, ~ operator)

This patch clears current speed selection before writing the
new speed settings to gmii2rgmii converter

Signed-off-by: Fahad Kunnathadi <fahad.kunnath...@dexceldesigns.com>
---
 drivers/net/phy/xilinx_gmii2rgmii.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c 
b/drivers/net/phy/xilinx_gmii2rgmii.c
index d15dd39..2e5150b 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -44,7 +44,7 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev)
        priv->phy_drv->read_status(phydev);
 
        val = mdiobus_read(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG);
-       val &= XILINX_GMII2RGMII_SPEED_MASK;
+       val &= ~XILINX_GMII2RGMII_SPEED_MASK;
 
        if (phydev->speed == SPEED_1000)
                val |= BMCR_SPEED1000;
-- 
1.9.1