diff --git a/include/linux/input.h b/include/linux/input.h
index 725dcd0..9da4f579 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1203,11 +1203,7 @@
  *	software autorepeat
  * @timer: timer for software autorepeat
  * @rep: current values for autorepeat parameters (delay, rate)
- * @mt: pointer to array of struct input_mt_slot holding current values
- *	of tracked contacts
- * @mtsize: number of MT slots the device uses
- * @slot: MT slot currently being transmitted
- * @trkid: stores MT tracking ID for the current contact
+ * @mt: pointer to multitouch state
  * @absinfo: array of &struct input_absinfo elements holding information
  *	about absolute axes (current value, min, max, flat, fuzz,
  *	resolution)
@@ -1287,10 +1283,7 @@
 
 	int rep[REP_CNT];
 
-	struct input_mt_slot *mt;
-	int mtsize;
-	int slot;
-	int trkid;
+	struct input_mt *mt;
 
 	struct input_absinfo *absinfo;
 
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h
index f867375..63458bc 100644
--- a/include/linux/input/mt.h
+++ b/include/linux/input/mt.h
@@ -23,6 +23,20 @@
 	int abs[ABS_MT_LAST - ABS_MT_FIRST + 1];
 };
 
+/**
+ * struct input_mt - state of tracked contacts
+ * @trkid: stores MT tracking ID for the next contact
+ * @num_slots: number of MT slots the device uses
+ * @slot: MT slot currently being transmitted
+ * @slots: array of slots holding current values of tracked contacts
+ */
+struct input_mt {
+	int trkid;
+	int num_slots;
+	int slot;
+	struct input_mt_slot slots[];
+};
+
 static inline void input_mt_set_value(struct input_mt_slot *slot,
 				      unsigned code, int value)
 {
@@ -38,9 +52,9 @@
 int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots);
 void input_mt_destroy_slots(struct input_dev *dev);
 
-static inline int input_mt_new_trkid(struct input_dev *dev)
+static inline int input_mt_new_trkid(struct input_mt *mt)
 {
-	return dev->trkid++ & TRKID_MAX;
+	return mt->trkid++ & TRKID_MAX;
 }
 
 static inline void input_mt_slot(struct input_dev *dev, int slot)