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path: root/target/linux/brcm47xx/patches-2.6.34/210-b44_phy_fix.patch
blob: 72a37d61a264e169096bdb4cc63009653dff0a03 (plain)
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--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -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 +421,40 @@ 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)
+{
+	/* 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;
@@ -2089,6 +2117,8 @@ 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])){