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>
diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index 37b126c..285a5bd 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -101,6 +101,7 @@
 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 @@
 	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 @@
 		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 @@
 	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 @@
 	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 @@
 	}
 
 	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 @@
 	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 @@
 	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 @@
 		return -ENOMEM;
 
 	yld->udev = udev;
+	yld->intf = intf;
 
 	yld->idev = input_dev = input_allocate_device();
 	if (!input_dev)