diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 91109b4..608674d 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -27,7 +27,7 @@
 
 static const char *desired_serio_phys;
 
-static int lifebook_set_serio_phys(struct dmi_system_id *d)
+static int lifebook_set_serio_phys(const struct dmi_system_id *d)
 {
 	desired_serio_phys = d->driver_data;
 	return 0;
@@ -35,13 +35,13 @@
 
 static unsigned char lifebook_use_6byte_proto;
 
-static int lifebook_set_6byte_proto(struct dmi_system_id *d)
+static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
 {
 	lifebook_use_6byte_proto = 1;
 	return 0;
 }
 
-static struct dmi_system_id lifebook_dmi_table[] = {
+static const struct dmi_system_id lifebook_dmi_table[] = {
 	{
 		.ident = "FLORA-ie 55mi",
 		.matches = {
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 666ad3a..d349c4a5e 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -602,7 +602,7 @@
 
 #if defined(__i386__)
 #include <linux/dmi.h>
-static struct dmi_system_id toshiba_dmi_table[] = {
+static const struct dmi_system_id toshiba_dmi_table[] = {
 	{
 		.ident = "Toshiba Satellite",
 		.matches = {