staging: et131x: Only configure regs if link state changes

Some config regs get set whenever adjust_link() is called. Change this
so that these registers only get set when the link state changes to UP.

Also remove unnecessary second assignment of boot_coma.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/et131x/et131x.c

@@ -3819,9 +3819,20 @@ static void et131x_adjust_link(struct net_device *netdev)
 	struct et131x_adapter *adapter = netdev_priv(netdev);
 	struct  phy_device *phydev = adapter->phydev;
 
-	if (netif_carrier_ok(netdev)) {
-		adapter->boot_coma = 20;
+	if (phydev && phydev->link != adapter->link) {
+		/*
+		 * Check to see if we are in coma mode and if
+		 * so, disable it because we will not be able
+		 * to read PHY values until we are out.
+		 */
+		if (et1310_in_phy_coma(adapter))
+			et1310_disable_phy_coma(adapter);
+
+		adapter->link = phydev->link;
+		phy_print_status(phydev);
 
+		if (phydev->link) {
+			adapter->boot_coma = 20;
 			if (phydev && phydev->speed == SPEED_10) {
 				/*
 				 * NOTE - Is there a way to query this without
@@ -3857,22 +3868,7 @@ static void et131x_adjust_link(struct net_device *netdev)
 
 			et131x_set_rx_dma_timer(adapter);
 			et1310_config_mac_regs2(adapter);
-	}
-
-	if (phydev && phydev->link != adapter->link) {
-		/*
-		 * Check to see if we are in coma mode and if
-		 * so, disable it because we will not be able
-		 * to read PHY values until we are out.
-		 */
-		if (et1310_in_phy_coma(adapter))
-			et1310_disable_phy_coma(adapter);
-
-		if (phydev->link) {
-			adapter->boot_coma = 20;
 		} else {
-			dev_warn(&adapter->pdev->dev,
-			    "Link down - cable problem ?\n");
 			adapter->boot_coma = 0;
 
 			if (phydev->speed == SPEED_10) {
@@ -3917,9 +3913,6 @@ static void et131x_adjust_link(struct net_device *netdev)
 			et131x_enable_txrx(netdev);
 		}
 
-		adapter->link = phydev->link;
-
-		phy_print_status(phydev);
 	}
 }