net: xilinx: Handle error value from phy_startup()

Handle error returned by phy_startup() properly.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Stephen Warren <swarren@nvidia.com>

drivers/net/xilinx_emaclite.c

@@ -250,7 +250,7 @@ static void emaclite_stop(struct udevice *dev)
 
 static int setup_phy(struct udevice *dev)
 {
-	int i;
+	int i, ret;
 	u16 phyreg;
 	struct xemaclite *emaclite = dev_get_priv(dev);
 	struct phy_device *phydev;
@@ -302,7 +302,9 @@ static int setup_phy(struct udevice *dev)
 	phydev->advertising = supported;
 	emaclite->phydev = phydev;
 	phy_config(phydev);
-	phy_startup(phydev);
+	ret = phy_startup(phydev);
+	if (ret)
+		return ret;
 
 	if (!phydev->link) {
 		printf("%s: No link.\n", phydev->dev->name);

drivers/net/zynq_gem.c

@@ -360,6 +360,7 @@ static int zynq_phy_init(struct udevice *dev)
 static int zynq_gem_init(struct udevice *dev)
 {
 	u32 i, nwconfig;
+	int ret;
 	unsigned long clk_rate = 0;
 	struct zynq_gem_priv *priv = dev_get_priv(dev);
 	struct zynq_gem_regs *regs = priv->iobase;
@@ -427,7 +428,9 @@ static int zynq_gem_init(struct udevice *dev)
 		priv->init++;
 	}
 
-	phy_startup(priv->phydev);
+	ret = phy_startup(priv->phydev);
+	if (ret)
+		return ret;
 
 	if (!priv->phydev->link) {
 		printf("%s: No link.\n", priv->phydev->dev->name);