Input: use pr_fmt and pr_<level>

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/xen-kbdfront.c b/drivers/input/xen-kbdfront.c
index e0c024d..7f85a86 100644
--- a/drivers/input/xen-kbdfront.c
+++ b/drivers/input/xen-kbdfront.c
@@ -17,6 +17,8 @@
  * Switch to grant tables together with xen-fbfront.c.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/module.h>
@@ -84,9 +86,8 @@
 				input_report_key(dev, event->key.keycode,
 						 event->key.pressed);
 			else
-				printk(KERN_WARNING
-				       "xenkbd: unhandled keycode 0x%x\n",
-				       event->key.keycode);
+				pr_warning("unhandled keycode 0x%x\n",
+					   event->key.keycode);
 			break;
 		case XENKBD_TYPE_POS:
 			input_report_abs(dev, ABS_X, event->pos.abs_x);
@@ -292,8 +293,7 @@
 			ret = xenbus_printf(XBT_NIL, info->xbdev->nodename,
 					    "request-abs-pointer", "1");
 			if (ret)
-				printk(KERN_WARNING
-				       "xenkbd: can't request abs-pointer");
+				pr_warning("can't request abs-pointer\n");
 		}
 		xenbus_switch_state(dev, XenbusStateConnected);
 		break;