[netdrvr forcedeth] remove superfluous rx engine stop/start

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>

drivers/net/forcedeth.c

@@ -97,6 +97,7 @@
  *			   in the second (and later) nv_open call
  *	0.43: 10 Aug 2005: Add support for tx checksum.
  *	0.44: 20 Aug 2005: Add support for scatter gather and segmentation.
+ *	0.45: 18 Sep 2005: Remove nv_stop/start_rx from every link check
  *
  * Known bugs:
  * We suspect that on some hardware no TX done interrupts are generated.
@@ -108,7 +109,7 @@
  * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
  * superfluous timer interrupts from the nic.
  */
-#define FORCEDETH_VERSION		"0.44"
+#define FORCEDETH_VERSION		"0.45"
 #define DRV_NAME			"forcedeth"
 
 #include <linux/module.h>
@@ -1612,6 +1613,17 @@ static void nv_set_multicast(struct net_device *dev)
 	spin_unlock_irq(&np->lock);
 }
 
+/**
+ * nv_update_linkspeed: Setup the MAC according to the link partner
+ * @dev: Network device to be configured
+ *
+ * The function queries the PHY and checks if there is a link partner.
+ * If yes, then it sets up the MAC accordingly. Otherwise, the MAC is
+ * set to 10 MBit HD.
+ *
+ * The function returns 0 if there is no link partner and 1 if there is
+ * a good link partner.
+ */
 static int nv_update_linkspeed(struct net_device *dev)
 {
 	struct fe_priv *np = netdev_priv(dev);
@@ -1751,13 +1763,11 @@ set_speed:
 static void nv_linkchange(struct net_device *dev)
 {
 	if (nv_update_linkspeed(dev)) {
-		if (netif_carrier_ok(dev)) {
-			nv_stop_rx(dev);
-		} else {
+		if (!netif_carrier_ok(dev)) {
 			netif_carrier_on(dev);
 			printk(KERN_INFO "%s: link up.\n", dev->name);
-		}
 			nv_start_rx(dev);
+		}
 	} else {
 		if (netif_carrier_ok(dev)) {
 			netif_carrier_off(dev);