diff -drupN a/include/linux/input/touchscreen.h b/include/linux/input/touchscreen.h
--- a/include/linux/input/touchscreen.h	2018-08-06 17:23:04.000000000 +0300
+++ b/include/linux/input/touchscreen.h	2022-06-12 05:28:14.000000000 +0300
@@ -10,26 +10,7 @@
 #define _TOUCHSCREEN_H
 
 struct input_dev;
-struct input_mt_pos;
 
-struct touchscreen_properties {
-	unsigned int max_x;
-	unsigned int max_y;
-	bool invert_x;
-	bool invert_y;
-	bool swap_x_y;
-};
-
-void touchscreen_parse_properties(struct input_dev *input, bool multitouch,
-				  struct touchscreen_properties *prop);
-
-void touchscreen_set_mt_pos(struct input_mt_pos *pos,
-			    const struct touchscreen_properties *prop,
-			    unsigned int x, unsigned int y);
-
-void touchscreen_report_pos(struct input_dev *input,
-			    const struct touchscreen_properties *prop,
-			    unsigned int x, unsigned int y,
-			    bool multitouch);
+void touchscreen_parse_properties(struct input_dev *dev, bool multitouch);
 
 #endif