--- zzzz-none-000/linux-3.10.107/drivers/input/mouse/cypress_ps2.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/input/mouse/cypress_ps2.c	2021-02-04 17:41:59.000000000 +0000
@@ -15,7 +15,6 @@
  * the Free Software Foundation.
  */
 
-#include <linux/init.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
@@ -539,7 +538,7 @@
 		pos[i].y = contact->y;
 	}
 
-	input_mt_assign_slots(input, slots, pos, n);
+	input_mt_assign_slots(input, slots, pos, n, 0);
 
 	for (i = 0; i < n; i++) {
 		contact = &report_data.contacts[i];
@@ -665,15 +664,15 @@
 {
 	struct cytp_data *cytp;
 
-	cytp = (struct cytp_data *)kzalloc(sizeof(struct cytp_data), GFP_KERNEL);
-	psmouse->private = (void *)cytp;
-	if (cytp == NULL)
+	cytp = kzalloc(sizeof(struct cytp_data), GFP_KERNEL);
+	if (!cytp)
 		return -ENOMEM;
 
-	cypress_reset(psmouse);
-
+	psmouse->private = cytp;
 	psmouse->pktsize = 8;
 
+	cypress_reset(psmouse);
+
 	if (cypress_query_hardware(psmouse)) {
 		psmouse_err(psmouse, "Unable to query Trackpad hardware.\n");
 		goto err_exit;
@@ -711,8 +710,3 @@
 
 	return -1;
 }
-
-bool cypress_supported(void)
-{
-	return true;
-}