[PATCH] AT91RM9200 Ethernet #2: MII interface

Adds support for the MII ioctls via generic_mii_ioctl().
Patch from Brian Stafford.

Set the mii.phy_id to the detected PHY address, otherwise ethtool cannot
access PHYs other than 0.
Patch from Roman Kolesnikov.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index 5b5095629a93..cc773662d9f9 100644
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -660,6 +660,22 @@ static struct ethtool_ops at91ether_ethtool_ops = {
         .get_link       = ethtool_op_get_link,
 };
 
+static int at91ether_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+        struct at91_private *lp = (struct at91_private *) dev->priv;
+        int res;
+
+        if (!netif_running(dev))
+                return -EINVAL;
+
+        spin_lock_irq(&lp->lock);
+        enable_mdi();
+        res = generic_mii_ioctl(&lp->mii, if_mii(rq), cmd, NULL);
+        disable_mdi();
+        spin_unlock_irq(&lp->lock);
+
+        return res;
+}
 
 /* ................................ MAC ................................ */
 
@@ -963,6 +979,7 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
         dev->set_multicast_list = at91ether_set_rx_mode;
         dev->set_mac_address = set_mac_address;
         dev->ethtool_ops = &at91ether_ethtool_ops;
+        dev->do_ioctl = at91ether_ioctl;
 
         SET_NETDEV_DEV(dev, &pdev->dev);
 
@@ -993,6 +1010,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
         lp->mii.dev = dev;              /* Support for ethtool */
         lp->mii.mdio_read = mdio_read;
         lp->mii.mdio_write = mdio_write;
+        lp->mii.phy_id = phy_address;
+        lp->mii.phy_id_mask = 0x1f;
+        lp->mii.reg_num_mask = 0x1f;
 
         lp->phy_type = phy_type;        /* Type of PHY connected */
         lp->phy_address = phy_address;  /* MDI address of PHY */