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Index: linux-2.6.23.17/drivers/net/arm/ixp4xx_eth.c
===================================================================
--- linux-2.6.23.17.orig/drivers/net/arm/ixp4xx_eth.c
+++ linux-2.6.23.17/drivers/net/arm/ixp4xx_eth.c
@@ -297,6 +297,27 @@ static int mdio_read(struct net_device *
unsigned long flags;
u16 val;
+ /* For boards that use a switch chip (eg. Marvell 88E6060) */
+ if ( phy_id < 0 || phy_id > 31 ) {
+ switch (location) {
+ case MII_BMCR:
+ val = 0x3100;
+ break;
+ case MII_BMSR:
+ val = 0x406d;
+ break;
+ case MII_ADVERTISE:
+ val = 0x0101;
+ break;
+ case MII_LPA:
+ val = 0x4101;
+ break;
+ default:
+ val = 0;
+ break;
+ }
+ return val;
+ }
spin_lock_irqsave(&mdio_lock, flags);
val = mdio_cmd(dev, phy_id, location, 0, 0);
spin_unlock_irqrestore(&mdio_lock, flags);
@@ -308,6 +329,9 @@ static void mdio_write(struct net_device
{
unsigned long flags;
+ if ( phy_id < 0 || phy_id > 31 ) {
+ return;
+ }
spin_lock_irqsave(&mdio_lock, flags);
mdio_cmd(dev, phy_id, location, 1, val);
spin_unlock_irqrestore(&mdio_lock, flags);
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