USB: input: iforce: 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 <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/input/joystick/iforce/iforce-packets.c

···
 
 		status = usb_submit_urb(iforce->ctrl, GFP_ATOMIC);
 		if (status) {
-			dev_err(&iforce->dev->dev,
+			dev_err(&iforce->intf->dev,
 				"usb_submit_urb failed %d\n", status);
 			return -1;
 		}
···
 			iforce->ctrl->status != -EINPROGRESS, HZ);
 
 		if (iforce->ctrl->status) {
-			dev_dbg(&iforce->dev->dev,
+			dev_dbg(&iforce->intf->dev,
 				"iforce->ctrl->status = %d\n",
 				iforce->ctrl->status);
 			usb_unlink_urb(iforce->ctrl);

drivers/input/joystick/iforce/iforce-usb.c

···
 
 	if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) {
 		clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
-		dev_warn(&iforce->dev->dev, "usb_submit_urb failed %d\n", n);
+		dev_warn(&iforce->intf->dev, "usb_submit_urb failed %d\n", n);
 	}
 
 	/* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended.
···
 static void iforce_usb_irq(struct urb *urb)
 {
 	struct iforce *iforce = urb->context;
-	struct device *dev = &iforce->dev->dev;
+	struct device *dev = &iforce->intf->dev;
 	int status;
 
 	switch (urb->status) {
···
 
 	if (urb->status) {
 		clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
-		dev_dbg(&iforce->dev->dev, "urb->status %d, exiting\n",
+		dev_dbg(&iforce->intf->dev, "urb->status %d, exiting\n",
 			urb->status);
 		return;
 	}
···
 
 	iforce->bus = IFORCE_USB;
 	iforce->usbdev = dev;
+	iforce->intf = intf;
 
 	iforce->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE;
 	iforce->cr.wIndex = 0;

drivers/input/joystick/iforce/iforce.h

···
 #endif
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
 	struct usb_device *usbdev;	/* USB transfer */
+	struct usb_interface *intf;
 	struct urb *irq, *out, *ctrl;
 	struct usb_ctrlrequest cr;
 #endif