net: stmmac: use phydev from struct net_device

The private structure contain a pointer to phydev, but the structure
net_device already contain such pointer. So we can remove the pointer
phydev in the private structure, and update the driver to use the
one contained in struct net_device.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index bec6963..5ad1dfb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -367,8 +367,8 @@ static int socfpga_dwmac_resume(struct device *dev)
 	 * control register 0, and can be modified by the phy driver
 	 * framework.
 	 */
-	if (priv->phydev)
-		phy_resume(priv->phydev);
+	if (ndev->phydev)
+		phy_resume(ndev->phydev);
 
 	return stmmac_resume(dev);
 }