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

drivers/input/misc/yealink.c

@@ -101,6 +101,7 @@ static const struct lcd_segment_map {
 struct yealink_dev {
 	struct input_dev *idev;		/* input device */
 	struct usb_device *udev;	/* usb device */
+	struct usb_interface *intf;	/* usb interface */
 
 	/* irq input channel */
 	struct yld_ctl_packet	*irq_data;
@@ -428,7 +429,7 @@ static void urb_irq_callback(struct urb *urb)
 	int ret, status = urb->status;
 
 	if (status)
-		dev_err(&yld->idev->dev, "%s - urb status %d\n",
+		dev_err(&yld->intf->dev, "%s - urb status %d\n",
 			__func__, status);
 
 	switch (yld->irq_data->cmd) {
@@ -438,14 +439,14 @@ static void urb_irq_callback(struct urb *urb)
 		break;
 
 	case CMD_SCANCODE:
-		dev_dbg(&yld->idev->dev, "get scancode %x\n",
+		dev_dbg(&yld->intf->dev, "get scancode %x\n",
 			yld->irq_data->data[0]);
 
 		report_key(yld, map_p1k_to_key(yld->irq_data->data[0]));
 		break;
 
 	default:
-		dev_err(&yld->idev->dev, "unexpected response %x\n",
+		dev_err(&yld->intf->dev, "unexpected response %x\n",
 			yld->irq_data->cmd);
 	}
 
@@ -454,7 +455,7 @@ static void urb_irq_callback(struct urb *urb)
 	if (!yld->shutdown) {
 		ret = usb_submit_urb(yld->urb_ctl, GFP_ATOMIC);
 		if (ret && ret != -EPERM)
-			dev_err(&yld->idev->dev,
+			dev_err(&yld->intf->dev,
 				"%s - usb_submit_urb failed %d\n",
 				__func__, ret);
 	}
@@ -466,7 +467,7 @@ static void urb_ctl_callback(struct urb *urb)
 	int ret = 0, status = urb->status;
 
 	if (status)
-		dev_err(&yld->idev->dev, "%s - urb status %d\n",
+		dev_err(&yld->intf->dev, "%s - urb status %d\n",
 			__func__, status);
 
 	switch (yld->ctl_data->cmd) {
@@ -485,7 +486,7 @@ static void urb_ctl_callback(struct urb *urb)
 	}
 
 	if (ret && ret != -EPERM)
-		dev_err(&yld->idev->dev, "%s - usb_submit_urb failed %d\n",
+		dev_err(&yld->intf->dev, "%s - usb_submit_urb failed %d\n",
 			__func__, ret);
 }
 
@@ -518,7 +519,7 @@ static int input_open(struct input_dev *dev)
 	struct yealink_dev *yld = input_get_drvdata(dev);
 	int i, ret;
 
-	dev_dbg(&yld->idev->dev, "%s\n", __func__);
+	dev_dbg(&yld->intf->dev, "%s\n", __func__);
 
 	/* force updates to device */
 	for (i = 0; i<sizeof(yld->master); i++)
@@ -533,7 +534,7 @@ static int input_open(struct input_dev *dev)
 	yld->ctl_data->size	= 10;
 	yld->ctl_data->sum	= 0x100-CMD_INIT-10;
 	if ((ret = usb_submit_urb(yld->urb_ctl, GFP_KERNEL)) != 0) {
-		dev_dbg(&yld->idev->dev,
+		dev_dbg(&yld->intf->dev,
 			"%s - usb_submit_urb failed with result %d\n",
 			__func__, ret);
 		return ret;
@@ -884,6 +885,7 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 		return -ENOMEM;
 
 	yld->udev = udev;
+	yld->intf = intf;
 
 	yld->idev = input_dev = input_allocate_device();
 	if (!input_dev)