net: phy: gmii2rgmii: Dont use priv field in phy device

Use set/get drv data in phydev's mdio device instead. Phy device priv
field maybe used by the external phy driver and should not be
overwritten.

Signed-off-by: Harini Katakam <[e-mail]>
Reviewed-by: Andrew Lunn <[e-mail]>
Reviewed-by: Florian Fainelli <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/phy/xilinx_gmii2rgmii.c

···
 
 static int xgmiitorgmii_read_status(struct phy_device *phydev)
 {
-	struct gmii2rgmii *priv = phydev->priv;
+	struct gmii2rgmii *priv = mdiodev_get_drvdata(&phydev->mdio);
 	struct mii_bus *bus = priv->mdio->bus;
 	int addr = priv->mdio->addr;
 	u16 val = 0;
···
 	memcpy(&priv->conv_phy_drv, priv->phy_dev->drv,
 	       sizeof(struct phy_driver));
 	priv->conv_phy_drv.read_status = xgmiitorgmii_read_status;
-	priv->phy_dev->priv = priv;
+	mdiodev_set_drvdata(&priv->phy_dev->mdio, priv);
 	priv->phy_dev->drv = &priv->conv_phy_drv;
 
 	return 0;