From f8bbe9e0192fb846e19923d8011d199e1280a3c4 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Mon, 4 May 2009 20:30:01 +0000
Subject: [PATCH] --- yaml --- r: 150094 b: refs/heads/master c:
 c8014fe1d4548da8b9ea54730852c48a7117b03f h: refs/heads/master v: v3

---
 [refs]                    | 2 +-
 trunk/drivers/net/r6040.c | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 5c485b3d94b5..988bc61b842a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aee64faf236815e0f337408892c01b373cd340f3
+refs/heads/master: c8014fe1d4548da8b9ea54730852c48a7117b03f
diff --git a/trunk/drivers/net/r6040.c b/trunk/drivers/net/r6040.c
index 6f97b47d74a6..65627253c988 100644
--- a/trunk/drivers/net/r6040.c
+++ b/trunk/drivers/net/r6040.c
@@ -742,6 +742,14 @@ static int r6040_up(struct net_device *dev)
 	struct r6040_private *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->base;
 	int ret;
+	u16 val;
+
+	/* Check presence of a second PHY */
+	val = r6040_phy_read(ioaddr, lp->phy_addr, 2);
+	if (val == 0xFFFF) {
+		printk(KERN_ERR DRV_NAME " no second PHY attached\n");
+		return -EIO;
+	}
 
 	/* Initialise and alloc RX/TX buffers */
 	r6040_init_txbufs(dev);