USB: input: gtco.c: fix up dev_* messages

Previously I had made the struct device point to the input device, but
after talking with Dmitry, he said that the USB device would make more
sense for this driver to point to.  So converted it to use that instead.

CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/input/tablet/gtco.c

@@ -106,6 +106,7 @@ struct gtco {
 
 	struct input_dev  *inputdevice; /* input device struct pointer  */
 	struct usb_device *usbdev; /* the usb device for this device */
+	struct usb_interface *intf;	/* the usb interface for this device */
 	struct urb        *urbinfo;	 /* urb for incoming reports      */
 	dma_addr_t        buf_dma;  /* dma addr of the data buffer*/
 	unsigned char *   buffer;   /* databuffer for reports */
@@ -200,7 +201,7 @@ struct hid_descriptor
 static void parse_hid_report_descriptor(struct gtco *device, char * report,
 					int length)
 {
-	struct device *ddev = &device->inputdevice->dev;
+	struct device *ddev = &device->intf->dev;
 	int   x, i = 0;
 
 	/* Tag primitive vars */
@@ -713,7 +714,7 @@ static void gtco_urb_callback(struct urb *urbinfo)
 				 * the rest as 0
 				 */
 				val = device->buffer[5] & MASK_BUTTON;
-				dev_dbg(&inputdev->dev,
+				dev_dbg(&device->intf->dev,
 					"======>>>>>>REPORT 1: val 0x%X(%d)\n",
 					val, val);
 
@@ -808,7 +809,7 @@ static void gtco_urb_callback(struct urb *urbinfo)
  resubmit:
 	rc = usb_submit_urb(urbinfo, GFP_ATOMIC);
 	if (rc != 0)
-		dev_err(&inputdev->dev,
+		dev_err(&device->intf->dev,
 			"usb_submit_urb failed rc=0x%x\n", rc);
 }
 
@@ -849,6 +850,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
 
 	/* Save interface information */
 	gtco->usbdev = usb_get_dev(interface_to_usbdev(usbinterface));
+	gtco->intf = usbinterface;
 
 	/* Allocate some data for incoming reports */
 	gtco->buffer = usb_alloc_coherent(gtco->usbdev, REPORT_MAX_SIZE,