diff -ru linux-2.6.22.4/drivers/net/b44.c linux-2.6.22.4.patch/drivers/net/b44.c
--- linux-2.6.22.4/drivers/net/b44.c	2007-09-04 01:24:58.000000000 +0200
+++ linux-2.6.22.4.patch/drivers/net/b44.c	2007-09-04 01:35:12.000000000 +0200
@@ -297,6 +297,12 @@
 {
 	u32 val;
 	int err;
+	
+	/* hackish fix for wrtsl54gs, 5 fails, 30 works for eth1 */
+	if ( bp->phy_addr == 5) {
+		printk(KERN_INFO PFX "%s: Forcing PHY address to 30.\n", bp->dev->name);
+		bp->phy_addr = 30;
+	}
 
 	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
 		return 0;