USB: convert the drivers/usb/input files to the new USB driver model.

drivers/usb/input/aiptek.c

@@ -204,6 +204,11 @@ aiptek_close(struct input_dev *dev)
 		usb_unlink_urb(aiptek->irq);
 }
 
+/* 
+ * FIXME, either remove this call, or talk the maintainer into 
+ * adding usb_set_report back into the core.
+ */
+#if 0
 static void
 aiptek_command(struct usb_device *dev, unsigned int ifnum,
 	       unsigned char command, unsigned char data)
@@ -214,47 +219,43 @@ aiptek_command(struct usb_device *dev, unsigned int ifnum,
 	buf[1] = command;
 	buf[2] = data;
 
-	/* 
-	 * FIXME, either remove this call, or talk the maintainer into 
-	 * adding it back into the core.
-	 */
-#if 0
 	if (usb_set_report(dev, ifnum, 3, 2, buf, 3) != 3) {
 		dbg("aiptek_command: 0x%x 0x%x\n", command, data);
 	}
-#endif
 }
+#endif
 
-static void*
-aiptek_probe(struct usb_device *dev, unsigned int ifnum,
+static int 
+aiptek_probe(struct usb_interface *intf,
 	     const struct usb_device_id *id)
 {
+	struct usb_device *dev = interface_to_usbdev (intf);
 	struct usb_endpoint_descriptor *endpoint;
 	struct aiptek *aiptek;
 
 	if (!(aiptek = kmalloc(sizeof (struct aiptek), GFP_KERNEL)))
-		return NULL;
+		return -ENOMEM;
 
 	memset(aiptek, 0, sizeof (struct aiptek));
 
 	aiptek->data = usb_buffer_alloc(dev, 10, SLAB_ATOMIC, &aiptek->data_dma);
 	if (!aiptek->data) {
 		kfree(aiptek);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	aiptek->irq = usb_alloc_urb(0, GFP_KERNEL);
 	if (!aiptek->irq) {
 		usb_buffer_free(dev, 10, aiptek->data, aiptek->data_dma);
 		kfree(aiptek);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	// Resolution500LPI
-	aiptek_command(dev, ifnum, 0x18, 0x04);
+//	aiptek_command(dev, ifnum, 0x18, 0x04);
 
 	// SwitchToTablet
-	aiptek_command(dev, ifnum, 0x10, 0x01);
+//	aiptek_command(dev, ifnum, 0x10, 0x01);
 
 	aiptek->features = aiptek_features + id->driver_info;
 
@@ -294,7 +295,7 @@ aiptek_probe(struct usb_device *dev, unsigned int ifnum,
 	aiptek->dev.id.version = dev->descriptor.bcdDevice;
 	aiptek->usbdev = dev;
 
-	endpoint = dev->config[0].interface[ifnum].altsetting[0].endpoint + 0;
+	endpoint = intf->altsetting[0].endpoint + 0;
 
 	if (aiptek->features->pktlen > 10)
 		BUG();
@@ -308,28 +309,33 @@ aiptek_probe(struct usb_device *dev, unsigned int ifnum,
 
 	input_register_device(&aiptek->dev);
 
-	printk(KERN_INFO "input: %s on usb%d:%d.%d\n",
-	       aiptek->features->name, dev->bus->busnum, dev->devnum, ifnum);
+	printk(KERN_INFO "input: %s on usb%d:%d\n",
+	       aiptek->features->name, dev->bus->busnum, dev->devnum);
 
-	return aiptek;
+	dev_set_drvdata(&intf->dev, aiptek);
+	return 0;
 }
 
 static void
-aiptek_disconnect(struct usb_device *dev, void *ptr)
+aiptek_disconnect(struct usb_interface *intf)
 {
-	struct aiptek *aiptek = ptr;
+	struct aiptek *aiptek  = dev_get_drvdata(&intf->dev);
+
+	dev_set_drvdata(&intf->dev, NULL);
+	if (aiptek) {
 		usb_unlink_urb(aiptek->irq);
 		input_unregister_device(&aiptek->dev);
 		usb_free_urb(aiptek->irq);
-	usb_buffer_free(dev, 10, aiptek->data, aiptek->data_dma);
+		usb_buffer_free(interface_to_usbdev(intf), 10, aiptek->data, aiptek->data_dma);
 		kfree(aiptek);
+	}
 }
 
 static struct usb_driver aiptek_driver = {
-	.name ="aiptek",
-	.probe =aiptek_probe,
-	.disconnect =aiptek_disconnect,
-	.id_table =aiptek_ids,
+	.name =		"aiptek",
+	.probe =	aiptek_probe,
+	.disconnect =	aiptek_disconnect,
+	.id_table =	aiptek_ids,
 };
 
 static int __init

drivers/usb/input/hid-core.c

@@ -1349,9 +1349,10 @@ static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
 		usb_buffer_free(dev, HID_BUFFER_SIZE, hid->ctrlbuf, hid->ctrlbuf_dma);
 }
 
-static struct hid_device *usb_hid_configure(struct usb_device *dev, int ifnum)
+static struct hid_device *usb_hid_configure(struct usb_interface *intf)
 {
-	struct usb_interface_descriptor *interface = dev->actconfig->interface[ifnum].altsetting + 0;
+	struct usb_interface_descriptor *interface = intf->altsetting + intf->act_altsetting;
+	struct usb_device *dev = interface_to_usbdev (intf);
 	struct hid_descriptor *hdesc;
 	struct hid_device *hid;
 	unsigned quirks = 0, rsize = 0;
@@ -1472,7 +1473,7 @@ static struct hid_device *usb_hid_configure(struct usb_device *dev, int ifnum)
 		snprintf(hid->name, 128, "%04x:%04x", dev->descriptor.idVendor, dev->descriptor.idProduct);
 
 	usb_make_path(dev, buf, 64);
-	snprintf(hid->phys, 64, "%s/input%d", buf, ifnum);
+	snprintf(hid->phys, 64, "%s/input%d", buf, intf->altsetting[0].bInterfaceNumber);
 
 	if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
 		hid->uniq[0] = 0;
@@ -1499,10 +1500,14 @@ static struct hid_device *usb_hid_configure(struct usb_device *dev, int ifnum)
 	return NULL;
 }
 
-static void hid_disconnect(struct usb_device *dev, void *ptr)
+static void hid_disconnect(struct usb_interface *intf)
 {
-	struct hid_device *hid = ptr;
+	struct hid_device *hid = dev_get_drvdata(&intf->dev);
 
+	if (!hid)
+		return;
+
+	dev_set_drvdata (&intf->dev, NULL);
 	usb_unlink_urb(hid->urbin);
 	usb_unlink_urb(hid->urbout);
 	usb_unlink_urb(hid->urbctrl);
@@ -1517,22 +1522,21 @@ static void hid_disconnect(struct usb_device *dev, void *ptr)
 	if (hid->urbout)
 		usb_free_urb(hid->urbout);
 
-	hid_free_buffers(dev, hid);
+	hid_free_buffers(hid->dev, hid);
 	hid_free_device(hid);
 }
 
-static void* hid_probe(struct usb_device *dev, unsigned int ifnum,
-		       const struct usb_device_id *id)
+static int hid_probe (struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct hid_device *hid;
 	char path[64];
 	int i;
 	char *c;
 
-	dbg("HID probe called for ifnum %d", ifnum);
+	dbg("HID probe called for ifnum %d", intf->ifnum);
 
-	if (!(hid = usb_hid_configure(dev, ifnum)))
-		return NULL;
+	if (!(hid = usb_hid_configure(intf)))
+		return -EIO;
 
 	hid_init_reports(hid);
 	hid_dump_device(hid);
@@ -1544,9 +1548,11 @@ static void* hid_probe(struct usb_device *dev, unsigned int ifnum,
 	if (!hiddev_connect(hid))
 		hid->claimed |= HID_CLAIMED_HIDDEV;
 
+	dev_set_drvdata(&intf->dev, hid);
+
 	if (!hid->claimed) {
-		hid_disconnect(dev, hid);
-		return NULL;
+		hid_disconnect(intf);
+		return -EIO;
 	}
 
 	printk(KERN_INFO);
@@ -1568,12 +1574,12 @@ static void* hid_probe(struct usb_device *dev, unsigned int ifnum,
 		}
 	}
 
-	usb_make_path(dev, path, 63);
+	usb_make_path(interface_to_usbdev(intf), path, 63);
 
 	printk(": USB HID v%x.%02x %s [%s] on %s\n",
 		hid->version >> 8, hid->version & 0xff, c, hid->name, path);
 
-	return hid;
+	return 0;
 }
 
 static struct usb_device_id hid_usb_ids [] = {

drivers/usb/input/hiddev.c

@@ -751,10 +751,10 @@ void hiddev_disconnect(struct hid_device *hid)
 /* We never attach in this manner, and rely on HID to connect us.  This
  * is why there is no disconnect routine defined in the usb_driver either.
  */
-static void *hiddev_usbd_probe(struct usb_device *dev, unsigned int ifnum,
+static int hiddev_usbd_probe(struct usb_interface *intf, 
 			     const struct usb_device_id *hiddev_info)
 {
-	return NULL;
+	return -ENODEV;
 }
 
 

drivers/usb/input/powermate.c

@@ -268,18 +268,21 @@ static void powermate_free_buffers(struct usb_device *udev, struct powermate_dev
 }
 
 /* Called whenever a USB device matching one in our supported devices table is connected */
-static void *powermate_probe(struct usb_device *udev, unsigned int ifnum, const struct usb_device_id *id)
+static int powermate_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
+	struct usb_device *udev = interface_to_usbdev (intf);
 	struct usb_interface_descriptor *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct powermate_device *pm;
 	int pipe, maxp;
 	char path[64];
 
-	interface = udev->config[0].interface[ifnum].altsetting + 0;
+	interface = intf->altsetting + 0;
 	endpoint = interface->endpoint + 0;
-	if (!(endpoint->bEndpointAddress & 0x80)) return NULL;
-	if ((endpoint->bmAttributes & 3) != 3) return NULL;
+	if (!(endpoint->bEndpointAddress & 0x80))
+		return -EIO;
+	if ((endpoint->bmAttributes & 3) != 3)
+		return -EIO;
 
 	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 		0x0a, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
@@ -287,7 +290,7 @@ static void *powermate_probe(struct usb_device *udev, unsigned int ifnum, const
 		HZ * USB_CTRL_SET_TIMEOUT);
 
 	if (!(pm = kmalloc(sizeof(struct powermate_device), GFP_KERNEL)))
-		return NULL;
+		return -ENOMEM;
 
 	memset(pm, 0, sizeof(struct powermate_device));
 	pm->udev = udev;
@@ -295,14 +298,14 @@ static void *powermate_probe(struct usb_device *udev, unsigned int ifnum, const
 	if (powermate_alloc_buffers(udev, pm)) {
 		powermate_free_buffers(udev, pm);
 		kfree(pm);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	pm->irq = usb_alloc_urb(0, GFP_KERNEL);
 	if (!pm->irq) {
 		powermate_free_buffers(udev, pm);
 		kfree(pm);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	pm->config = usb_alloc_urb(0, GFP_KERNEL);
@@ -310,7 +313,7 @@ static void *powermate_probe(struct usb_device *udev, unsigned int ifnum, const
 		usb_free_urb(pm->irq);
 		powermate_free_buffers(udev, pm);
 		kfree(pm);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	init_MUTEX(&pm->lock);
@@ -333,7 +336,7 @@ static void *powermate_probe(struct usb_device *udev, unsigned int ifnum, const
 	if (usb_submit_urb(pm->irq, GFP_KERNEL)) {
 		powermate_free_buffers(udev, pm);
 		kfree(pm);
-		return NULL; /* failure */
+		return -EIO; /* failure */
 	}
 
 	switch (udev->descriptor.idProduct) {
@@ -365,22 +368,27 @@ static void *powermate_probe(struct usb_device *udev, unsigned int ifnum, const
 	pm->requires_update = UPDATE_PULSE_ASLEEP | UPDATE_PULSE_AWAKE | UPDATE_PULSE_MODE | UPDATE_STATIC_BRIGHTNESS;
 	powermate_pulse_led(pm, 0x80, 255, 0, 1, 0); // set default pulse parameters
   
-	return pm;
+	dev_set_drvdata(&intf->dev, pm);
+	return 0;
 }
 
 /* Called when a USB device we've accepted ownership of is removed */
-static void powermate_disconnect(struct usb_device *dev, void *ptr)
+static void powermate_disconnect(struct usb_interface *intf)
 {
-	struct powermate_device *pm = ptr;
+	struct powermate_device *pm = dev_get_drvdata(&intf->dev);
+
+	dev_set_drvdata(&intf->dev, NULL);
+	if (pm) {
 		down(&pm->lock);
 		pm->requires_update = 0;
 		usb_unlink_urb(pm->irq);
 		input_unregister_device(&pm->input);
 		usb_free_urb(pm->irq);
 		usb_free_urb(pm->config);
-	powermate_free_buffers(dev, pm);
+		powermate_free_buffers(interface_to_usbdev(intf), pm);
 
 		kfree(pm);
+	}
 }
 
 static struct usb_device_id powermate_devices [] = {

drivers/usb/input/usbkbd.c

@@ -207,10 +207,10 @@ static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd)
 		usb_buffer_free(dev, 1, kbd->leds, kbd->leds_dma);
 }
 
-static void *usb_kbd_probe(struct usb_device *dev, unsigned int ifnum,
+static int usb_kbd_probe(struct usb_interface *iface, 
 			 const struct usb_device_id *id)
 {
-	struct usb_interface *iface;
+	struct usb_device * dev = interface_to_usbdev(iface);
 	struct usb_interface_descriptor *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_kbd *kbd;
@@ -218,25 +218,28 @@ static void *usb_kbd_probe(struct usb_device *dev, unsigned int ifnum,
 	char path[64];
 	char *buf;
 
-	iface = &dev->actconfig->interface[ifnum];
 	interface = &iface->altsetting[iface->act_altsetting];
 
-	if (interface->bNumEndpoints != 1) return NULL;
+	if (interface->bNumEndpoints != 1)
+		return -ENODEV;
 
 	endpoint = interface->endpoint + 0;
-	if (!(endpoint->bEndpointAddress & 0x80)) return NULL;
-	if ((endpoint->bmAttributes & 3) != 3) return NULL;
+	if (!(endpoint->bEndpointAddress & 0x80))
+		return -ENODEV;
+	if ((endpoint->bmAttributes & 3) != 3)
+		return -ENODEV;
 
 	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
 	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
 
-	if (!(kbd = kmalloc(sizeof(struct usb_kbd), GFP_KERNEL))) return NULL;
+	if (!(kbd = kmalloc(sizeof(struct usb_kbd), GFP_KERNEL)))
+		return -ENOMEM;
 	memset(kbd, 0, sizeof(struct usb_kbd));
 
 	if (usb_kbd_alloc_mem(dev, kbd)) {
 		usb_kbd_free_mem(dev, kbd);
 		kfree(kbd);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	kbd->usbdev = dev;
@@ -279,7 +282,7 @@ static void *usb_kbd_probe(struct usb_device *dev, unsigned int ifnum,
 		usb_free_urb(kbd->irq);
 		usb_kbd_free_buffers(dev, kbd);
 		kfree(kbd);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	if (dev->descriptor.iManufacturer &&
@@ -306,16 +309,21 @@ static void *usb_kbd_probe(struct usb_device *dev, unsigned int ifnum,
 
 	printk(KERN_INFO "input: %s on %s\n", kbd->name, path);
 
-	return kbd;
+	dev_set_drvdata(&iface->dev, kbd);
+	return 0;
 }
 
-static void usb_kbd_disconnect(struct usb_device *dev, void *ptr)
+static void usb_kbd_disconnect(struct usb_interface *intf)
 {
-	struct usb_kbd *kbd = ptr;
+	struct usb_kbd *kbd = dev_get_drvdata(&intf->dev);
+	
+	dev_set_drvdata(&intf->dev, NULL);
+	if (kbd) {
 		usb_unlink_urb(kbd->irq);
 		input_unregister_device(&kbd->dev);
-	usb_kbd_free_buffers(dev, kbd);
+		usb_kbd_free_buffers(interface_to_usbdev(intf), kbd);
 		kfree(kbd);
+	}
 }
 
 static struct usb_device_id usb_kbd_id_table [] = {

drivers/usb/input/usbmouse.c

@@ -100,10 +100,9 @@ static void usb_mouse_close(struct input_dev *dev)
 		usb_unlink_urb(mouse->irq);
 }
 
-static void *usb_mouse_probe(struct usb_device *dev, unsigned int ifnum,
-			     const struct usb_device_id *id)
+static int usb_mouse_probe(struct usb_interface * intf, const struct usb_device_id * id)
 {
-	struct usb_interface *iface;
+	struct usb_device * dev = interface_to_usbdev(intf);
 	struct usb_interface_descriptor *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_mouse *mouse;
@@ -111,32 +110,35 @@ static void *usb_mouse_probe(struct usb_device *dev, unsigned int ifnum,
 	char path[64];
 	char *buf;
 
-	iface = &dev->actconfig->interface[ifnum];
-	interface = &iface->altsetting[iface->act_altsetting];
+	interface = &intf->altsetting[intf->act_altsetting];
 
-	if (interface->bNumEndpoints != 1) return NULL;
+	if (interface->bNumEndpoints != 1) 
+		return -ENODEV;
 
 	endpoint = interface->endpoint + 0;
-	if (!(endpoint->bEndpointAddress & 0x80)) return NULL;
-	if ((endpoint->bmAttributes & 3) != 3) return NULL;
+	if (!(endpoint->bEndpointAddress & 0x80)) 
+		return -ENODEV;
+	if ((endpoint->bmAttributes & 3) != 3) 
+		return -ENODEV;
 
 	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
 	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
 
-	if (!(mouse = kmalloc(sizeof(struct usb_mouse), GFP_KERNEL))) return NULL;
+	if (!(mouse = kmalloc(sizeof(struct usb_mouse), GFP_KERNEL))) 
+		return -ENOMEM;
 	memset(mouse, 0, sizeof(struct usb_mouse));
 
 	mouse->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &mouse->data_dma);
 	if (!mouse->data) {
 		kfree(mouse);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	mouse->irq = usb_alloc_urb(0, GFP_KERNEL);
 	if (!mouse->irq) {
 		usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
 		kfree(mouse);
-		return NULL;
+		return -ENODEV;
 	}
 
 	mouse->usbdev = dev;
@@ -164,7 +166,7 @@ static void *usb_mouse_probe(struct usb_device *dev, unsigned int ifnum,
 	if (!(buf = kmalloc(63, GFP_KERNEL))) {
 		usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
 		kfree(mouse);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	if (dev->descriptor.iManufacturer &&
@@ -187,20 +189,24 @@ static void *usb_mouse_probe(struct usb_device *dev, unsigned int ifnum,
 	mouse->irq->transfer_flags |= URB_NO_DMA_MAP;
 
 	input_register_device(&mouse->dev);
-
 	printk(KERN_INFO "input: %s on %s\n", mouse->name, path);
 
-	return mouse;
+	dev_set_drvdata(&intf->dev, mouse);
+	return 0;
 }
 
-static void usb_mouse_disconnect(struct usb_device *dev, void *ptr)
+static void usb_mouse_disconnect(struct usb_interface *intf)
 {
-	struct usb_mouse *mouse = ptr;
+	struct usb_mouse *mouse = dev_get_drvdata(&intf->dev);
+	
+	dev_set_drvdata(&intf->dev, NULL);
+	if (mouse) {
 		usb_unlink_urb(mouse->irq);
 		input_unregister_device(&mouse->dev);
 		usb_free_urb(mouse->irq);
-	usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
+		usb_buffer_free(interface_to_usbdev(intf), 8, mouse->data, mouse->data_dma);
 		kfree(mouse);
+	}
 }
 
 static struct usb_device_id usb_mouse_id_table [] = {

drivers/usb/input/wacom.c

@@ -356,26 +356,28 @@ static void wacom_close(struct input_dev *dev)
 		usb_unlink_urb(wacom->irq);
 }
 
-static void *wacom_probe(struct usb_device *dev, unsigned int ifnum, const struct usb_device_id *id)
+static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
+	struct usb_device *dev = interface_to_usbdev (intf);
 	struct usb_endpoint_descriptor *endpoint;
 	struct wacom *wacom;
 	char path[64];
 
-	if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL))) return NULL;
+	if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL)))
+		return -ENOMEM;
 	memset(wacom, 0, sizeof(struct wacom));
 
 	wacom->data = usb_buffer_alloc(dev, 10, SLAB_ATOMIC, &wacom->data_dma);
 	if (!wacom->data) {
 		kfree(wacom);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
 	if (!wacom->irq) {
 		usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
 		kfree(wacom);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	wacom->features = wacom_features + id->driver_info;
@@ -419,7 +421,7 @@ static void *wacom_probe(struct usb_device *dev, unsigned int ifnum, const struc
 	wacom->dev.id.version = dev->descriptor.bcdDevice;
 	wacom->usbdev = dev;
 
-	endpoint = dev->config[0].interface[ifnum].altsetting[0].endpoint + 0;
+	endpoint = intf->altsetting[0].endpoint + 0;
 
 	if (wacom->features->pktlen > 10)
 		BUG();
@@ -435,17 +437,22 @@ static void *wacom_probe(struct usb_device *dev, unsigned int ifnum, const struc
 
 	printk(KERN_INFO "input: %s on %s\n", wacom->features->name, path);
 
-	return wacom;
+	dev_set_drvdata(&intf->dev, wacom);
+	return 0;
 }
 
-static void wacom_disconnect(struct usb_device *dev, void *ptr)
+static void wacom_disconnect(struct usb_interface *intf)
 {
-	struct wacom *wacom = ptr;
+	struct wacom *wacom = dev_get_drvdata(&intf->dev);
+
+	dev_set_drvdata(&intf->dev, NULL);
+	if (wacom) {
 		usb_unlink_urb(wacom->irq);
 		input_unregister_device(&wacom->dev);
 		usb_free_urb(wacom->irq);
-	usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
+		usb_buffer_free(interface_to_usbdev(intf), 10, wacom->data, wacom->data_dma);
 		kfree(wacom);
+	}
 }
 
 static struct usb_driver wacom_driver = {

drivers/usb/input/xpad.c

@@ -195,8 +195,9 @@ static void xpad_close (struct input_dev *dev)
 		usb_unlink_urb(xpad->irq_in);
 }
 
-static void * xpad_probe(struct usb_device *udev, unsigned int ifnum, const struct usb_device_id *id)
+static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
+	struct usb_device *udev = interface_to_usbdev (intf);
 	struct usb_xpad *xpad = NULL;
 	struct usb_endpoint_descriptor *ep_irq_in;
 	char path[64];
@@ -210,7 +211,7 @@ static void * xpad_probe(struct usb_device *udev, unsigned int ifnum, const stru
 	
 	if ((xpad = kmalloc (sizeof(struct usb_xpad), GFP_KERNEL)) == NULL) {
 		err("cannot allocate memory for new pad");
-		return NULL;
+		return -ENOMEM;
 	}
 	memset(xpad, 0, sizeof(struct usb_xpad));
 	
@@ -218,7 +219,7 @@ static void * xpad_probe(struct usb_device *udev, unsigned int ifnum, const stru
 				       SLAB_ATOMIC, &xpad->idata_dma);
 	if (!xpad->idata) {
 		kfree(xpad);
-		return NULL;
+		return -ENOMEM;
 	}
 
 	xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
@@ -226,10 +227,10 @@ static void * xpad_probe(struct usb_device *udev, unsigned int ifnum, const stru
 		err("cannot allocate memory for new pad irq urb");
 		usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
                 kfree(xpad);
-                return NULL;
+		return -ENOMEM;
         }
 	
-	ep_irq_in = udev->actconfig->interface[ifnum].altsetting[0].endpoint + 0;
+	ep_irq_in = intf->altsetting[0].endpoint + 0;
 	
 	usb_fill_int_urb(xpad->irq_in, udev,
 			 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
@@ -291,18 +292,22 @@ static void * xpad_probe(struct usb_device *udev, unsigned int ifnum, const stru
 	
 	printk(KERN_INFO "input: %s on %s", xpad->dev.name, path);
 	
-	return xpad;
+	dev_set_drvdata(&intf->dev, xpad);
+	return 0;
 }
 
-static void xpad_disconnect(struct usb_device *udev, void *ptr)
+static void xpad_disconnect(struct usb_interface *intf)
 {
-	struct usb_xpad *xpad = ptr;
+	struct usb_xpad *xpad = dev_get_drvdata(&intf->dev);
 	
+	dev_set_drvdata(&intf->dev, NULL);
+	if (xpad) {
 		usb_unlink_urb(xpad->irq_in);
 		input_unregister_device(&xpad->dev);
 		usb_free_urb(xpad->irq_in);
-	usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
+		usb_buffer_free(interface_to_usbdev(intf), XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
 		kfree(xpad);
+	}
 }
 
 static struct usb_driver xpad_driver = {