diff --git a/drivers/input/touchscreen/mxs-lradc-ts.c b/drivers/input/touchscreen/mxs-lradc-ts.c
index 816f5c8c101debcc8a6e643771eae302f7e313ec..3707e927f770c8763c277768d0c872b87c4bf048 100644
--- a/drivers/input/touchscreen/mxs-lradc-ts.c
+++ b/drivers/input/touchscreen/mxs-lradc-ts.c
@@ -30,7 +30,7 @@
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
 
-const char *mxs_lradc_ts_irq_names[] = {
+static const char * const mxs_lradc_ts_irq_names[] = {
 	"mxs-lradc-touchscreen",
 	"mxs-lradc-channel6",
 	"mxs-lradc-channel7",