[PATCH] USB: rtl8150 update

set_mac_address is now added to the driver.  thanks to Orjan Friberg <orjan.friberg@axis.com>
the actual writing to the eeprom is disabled by default

drivers/usb/net/rtl8150.c

@@ -21,11 +21,11 @@
 #include <asm/uaccess.h>
 
 /* Version Information */
-#define DRIVER_VERSION "v0.5.5 (2002/07/22)"
+#define DRIVER_VERSION "v0.5.6 (2002/09/19)"
 #define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>"
 #define DRIVER_DESC "rtl8150 based usb-ethernet driver"
 
-#define	IRD			0x0120
+#define	IDR			0x0120
 #define	MAR			0x0126
 #define	CR			0x012e
 #define	TCR			0x012f
@@ -45,6 +45,8 @@
 #define	ANLP			0x0146
 #define	AER			0x0148
 
+#define	IDR_EEPROM		0x1202
+
 #define	PHY_READ		0
 #define	PHY_WRITE		0x20
 #define	PHY_GO			0x40
@@ -73,6 +75,8 @@
 #define PRODUCT_ID_RTL8150		0x8150
 #define	PRODUCT_ID_LUAKTX		0x0012
 
+#undef	EEPROM_WRITE
+
 /* table of devices that work with this driver */
 static struct usb_device_id rtl8150_table[] = {
 	{USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8150)},
@@ -231,10 +235,51 @@ static inline void set_ethernet_addr(rtl8150_t * dev)
 {
 	u8 node_id[6];
 
-	get_registers(dev, IRD, sizeof(node_id), node_id);
+	get_registers(dev, IDR, sizeof(node_id), node_id);
 	memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id));
 }
 
+static int rtl8150_set_mac_address(struct net_device *netdev, void *p)
+{
+	struct sockaddr *addr = p;
+	rtl8150_t *dev;
+	int i;
+
+	if (netif_running(netdev))
+		return -EBUSY;
+	dev = netdev->priv;
+	if (dev == NULL) {
+		return -ENODEV;
+	}
+	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+	dbg("%s: Setting MAC address to ", netdev->name);
+	for (i = 0; i < 5; i++)
+		dbg("%02X:", netdev->dev_addr[i]);
+	dbg("%02X\n", netdev->dev_addr[i]);
+	/* Set the IDR registers. */
+	set_registers(dev, IDR, sizeof(netdev->dev_addr), netdev->dev_addr);
+#ifdef EEPROM_WRITE
+	{
+	u8 cr;
+	/* Get the CR contents. */
+	get_registers(dev, CR, 1, &cr);
+	/* Set the WEPROM bit (eeprom write enable). */
+	cr |= 0x20;
+	set_registers(dev, CR, 1, &cr);
+	/* Write the MAC address into eeprom. Eeprom writes must be word-sized,
+	   so we need to split them up. */
+	for (i = 0; i * 2 < netdev->addr_len; i++) {
+		set_registers(dev, IDR_EEPROM + (i * 2), 2, 
+		netdev->dev_addr + (i * 2));
+	}
+	/* Clear the WEPROM bit (preventing accidental eeprom writes). */
+	cr &= 0xdf;
+	set_registers(dev, CR, 1, &cr);
+	}
+#endif
+	return 0;
+}
+
 static int rtl8150_reset(rtl8150_t * dev)
 {
 	u8 data = 0x10;
@@ -764,6 +809,7 @@ static int rtl8150_probe(struct usb_interface *intf,
 	netdev->tx_timeout = rtl8150_tx_timeout;
 	netdev->hard_start_xmit = rtl8150_start_xmit;
 	netdev->set_multicast_list = rtl8150_set_multicast;
+	netdev->set_mac_address = rtl8150_set_mac_address;
 	netdev->get_stats = rtl8150_netdev_stats;
 	netdev->mtu = RTL8150_MTU;
 	dev->intr_interval = 100;	/* 100ms */
@@ -782,7 +828,7 @@ static int rtl8150_probe(struct usb_interface *intf,
 	info("%s: rtl8150 is detected", netdev->name);
 	
 	up(&dev->sem);
-	dev_set_drvdata (&intf->dev, dev);
+	dev_set_drvdata(&intf->dev, dev);
 	return 0;
 err:
 	unregister_netdev(dev->netdev);
@@ -794,10 +840,9 @@ static int rtl8150_probe(struct usb_interface *intf,
 
 static void rtl8150_disconnect(struct usb_interface *intf)
 {
-	rtl8150_t *dev = dev_get_drvdata (&intf->dev);
-
-	dev_set_drvdata (&intf->dev, NULL);
+	rtl8150_t *dev = dev_get_drvdata(&intf->dev);
 
+	dev_set_drvdata(&intf->dev, NULL);
 	if (dev) {
 		set_bit(RTL8150_UNPLUG, &dev->flags);
 		unregister_netdev(dev->netdev);