[forcedeth] Clear the MII link status register on link status changes

Signed-off-by: Michael Brown <mcb30@ipxe.org>
ipxe · Mar 20, 2011 · 9215b7f · 9215b7f
1 parent 48624cf
commit 9215b7f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/drivers/net/forcedeth.c b/src/drivers/net/forcedeth.c
@@ -967,6 +967,12 @@ static void
 forcedeth_link_status ( struct net_device *netdev )
 {
 	struct forcedeth_private *priv = netdev_priv ( netdev );
+	void *ioaddr = priv->mmio_addr;
+	u32 mii_status;
+
+	/* Clear the MII link change status */
+	mii_status = readl ( ioaddr + NvRegMIIStatus );
+	writel ( NVREG_MIISTAT_LINKCHANGE, ioaddr + NvRegMIIStatus );
 
 	if ( nv_update_linkspeed ( priv ) == 1 )
 		netdev_link_up ( netdev );