openwrt/target/linux/brcm47xx/patches-2.6.32/210-b44_phy_fix.patch

--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -339,7 +339,7 @@ static int b44_phy_reset(struct b44 *bp)
 		}
 	}
 
-	return 0;
+	return err;
 }
 
 static void __b44_set_flow_ctrl(struct b44 *bp, u32 pause_flags)
@@ -384,7 +384,7 @@ static void b44_set_flow_ctrl(struct b44
 	__b44_set_flow_ctrl(bp, pause_enab);
 }
 
-#ifdef SSB_DRIVER_MIPS
+#ifdef CONFIG_SSB_DRIVER_MIPS
 extern char *nvram_get(char *name);
 static void b44_wap54g10_workaround(struct b44 *bp)
 {
@@ -421,12 +421,45 @@ static inline void b44_wap54g10_workarou
 }
 #endif
 
+#ifdef CONFIG_SSB_DRIVER_MIPS
+static inline int startswith (const char *source, const char *cmp) 
+{ 
+       return !strncmp(source,cmp,strlen(cmp)); 
+}
+
+#define getvar(str) (nvram_get(str) ? : "")
+
+static inline void b44_bcm47xx_workarounds(struct b44 *bp)
+{
+	/* Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W */
+	if (simple_strtoul(getvar("boardnum"), NULL, 0) == 100) {
+		bp->phy_addr = B44_PHY_ADDR_NO_PHY;
+	} else {
+		/* WL-HDD */
+		struct ssb_device *sdev = bp->sdev;
+		if (startswith(getvar("hardware_version"), "WL300-")) 
+		{
+			if (sdev->bus->sprom.et0phyaddr == 0 &&
+			    sdev->bus->sprom.et1phyaddr == 1)
+				bp->phy_addr = B44_PHY_ADDR_NO_PHY;
+		}
+	}
+	return;
+}
+
+#else
+static inline void b44_bcm47xx_workarounds(struct b44 *bp) 
+{ 
+}
+#endif
+
 static int b44_setup_phy(struct b44 *bp)
 {
 	u32 val;
 	int err;
 
 	b44_wap54g10_workaround(bp);
+	b44_bcm47xx_workarounds(bp);
 
 	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
 		return 0;
@@ -2094,6 +2127,8 @@ static int __devinit b44_get_invariants(
 	 * valid PHY address. */
 	bp->phy_addr &= 0x1F;
 
+	b44_bcm47xx_workarounds(bp);
+
 	memcpy(bp->dev->dev_addr, addr, 6);
 
 	if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
@@ -2223,6 +2258,10 @@ static int __devinit b44_init_one(struct
 	 */
 	b44_chip_reset(bp, B44_CHIP_RESET_FULL);
 
+	/* do a phy reset to test if there is an active phy */
+	if (b44_phy_reset(bp) < 0)
+		bp->phy_addr = B44_PHY_ADDR_NO_PHY;
+
 	printk(KERN_INFO "%s: Broadcom 44xx/47xx 10/100BaseT Ethernet %pM\n",
 	       dev->name, dev->dev_addr);