linux-kernel - [PATCH] Added MII ioctl handler to gianfar driver

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Message-ID: <20081223125755.GA1994@clifford.at>
Date:	Tue, 23 Dec 2008 13:57:55 +0100
From:	Clifford Wolf <clifford@...fford.at>
To:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] Added MII ioctl handler to gianfar driver

Added MII ioctl handler to gianfar driver

This is the same kind of wrapper that can also be found in many
other network device drivers.

Tested with a freescale MPC8349E host CPU:
Toggled the interface LEDs on a DP83865 PHY.

Signed-off-by: Clifford Wolf <clifford@...fford.at>

--- drivers/net/gianfar.c	(revision 2193)
+++ drivers/net/gianfar.c	(revision 2194)
@@ -159,6 +159,20 @@
 	return (priv->vlan_enable || priv->rx_csum_enable);
 }
 
+/* Ioctl MII Interface */
+static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+
+	if (!netif_running(dev))
+		return -EINVAL;
+
+	if (!priv->phydev)
+		return -ENODEV;
+
+	return phy_mii_ioctl(priv->phydev, if_mii(rq), cmd);
+}
+
 /* Set up the ethernet device structure, private data,
  * and anything else we need before we start */
 static int gfar_probe(struct platform_device *pdev)
@@ -272,6 +286,7 @@
 	dev->set_multicast_list = gfar_set_multi;
 
 	dev->ethtool_ops = &gfar_ethtool_ops;
+	dev->do_ioctl = gfar_ioctl;
 
 	if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) {
 		priv->rx_csum_enable = 1;
--
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