netdev - [PATCH] [11/12] pasemi_mac: Print warning when not attaching to a PHY

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Message-ID: <20071129025806.GL17215@lixom.net>
Date:	Wed, 28 Nov 2007 20:58:06 -0600
From:	Olof Johansson <olof@...om.net>
To:	jgarzik@...ox.com
Cc:	linuxppc-dev@...abs.org, netdev@...r.kernel.org
Subject: [PATCH] [11/12] pasemi_mac: Print warning when not attaching to a
	PHY

pasemi_mac: Print warning when not attaching to a PHY

Print a warning on the console when not connecting to a phy for an interface.
It turns out to be a pretty common problem when someone gets the MDIO info
wrong in their device tree, resulting in the macs running at a fixed 1Gbit FD.

Signed-off-by: Olof Johansson <olof@...om.net>


---
 drivers/net/pasemi_mac.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Index: k.org/drivers/net/pasemi_mac.c
===================================================================
--- k.org.orig/drivers/net/pasemi_mac.c
+++ k.org/drivers/net/pasemi_mac.c
@@ -1064,11 +1064,12 @@ static int pasemi_mac_open(struct net_de
 	write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags);
 
 	ret = pasemi_mac_phy_init(dev);
-	/* Some configs don't have PHYs (XAUI etc), so don't complain about
-	 * failed init due to -ENODEV.
+	/* Warn for missing PHY on SGMII (1Gig) ports.
 	 */
-	if (ret && ret != -ENODEV)
-		dev_warn(&mac->pdev->dev, "phy init failed: %d\n", ret);
+	if (ret && mac->type == MAC_TYPE_GMAC) {
+		dev_warn(&mac->pdev->dev, "PHY init failed: %d.\n", ret);
+		dev_warn(&mac->pdev->dev, "Defaulting to 1Gbit full duplex\n");
+	}
 
 	netif_start_queue(dev);
 	napi_enable(&mac->napi);
-
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