From 8850dce170b460d9e46a827a62d6d7bb7e7cfcf3 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 20 Feb 2010 10:55:25 +0000
Subject: [PATCH] b44: Set PHY address to NO_PHY if reset fails.

Do a PHY reset to test if there is an active phy and set the PHY address
to B44_PHY_ADDR_NO_PHY in case of an not active phy. This is needed for
the Linksys WRTSL54GS and Asus WL-500W.
This patch was used in OpenWRT for a long time.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/b44.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 180510ed92a5..71fa0bee8d36 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -338,7 +338,7 @@ static int b44_phy_reset(struct b44 *bp)
 		}
 	}
 
-	return 0;
+	return err;
 }
 
 static void __b44_set_flow_ctrl(struct b44 *bp, u32 pause_flags)
@@ -2215,6 +2215,10 @@ static int __devinit b44_init_one(struct ssb_device *sdev,
 	 */
 	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;
+
 	netdev_info(dev, "Broadcom 44xx/47xx 10/100BaseT Ethernet %pM\n",
 		    dev->dev_addr);