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path: root/target/linux/brcm47xx/patches-2.6.25/210-b44_phy_fix.patch
blob: 908f34d9500d554af15bcd4da056af7f6314d5b8 (plain)
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Index: linux-2.6.25.17/drivers/net/b44.c
===================================================================
--- linux-2.6.25.17.orig/drivers/net/b44.c	2008-10-02 00:36:09.000000000 +0100
+++ linux-2.6.25.17/drivers/net/b44.c	2008-10-02 20:34:42.000000000 +0100
@@ -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)
 {
@@ -2066,6 +2066,28 @@ out:
 	return err;
 }
 
+#ifdef CONFIG_SSB_DRIVER_MIPS
+static void b44_wrtsl54gs_workaround(struct b44 *bp)
+{
+	const char *str;
+
+	/*
+	 * workaround for physical wiring in Linksys WRSL54GS
+	 * see https://dev.openwrt.org/ticket/2662 and 3903
+	 * eth1 PHY is probably on BCM5325 switch accessed via eth0
+	 */
+	str = nvram_get("boardnum");
+	if (!str)
+		return;
+	if (simple_strtoul(str, NULL, 0) == 42) {
+		bp->phy_addr = B44_PHY_ADDR_NO_PHY;
+	}
+	return;
+}
+#else
+static void b44_wrtsl54gs_workaround(struct b44 *bp) { }
+#endif
+
 static int __devinit b44_get_invariants(struct b44 *bp)
 {
 	struct ssb_device *sdev = bp->sdev;
@@ -2087,6 +2109,8 @@ static int __devinit b44_get_invariants(
 	 * valid PHY address. */
 	bp->phy_addr &= 0x1F;
 
+	b44_wrtsl54gs_workaround(bp);
+
 	memcpy(bp->dev->dev_addr, addr, 6);
 
 	if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){