diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
index 7417ce8..5efa96c 100644
--- a/drivers/extcon/extcon-palmas.c
+++ b/drivers/extcon/extcon-palmas.c
@@ -278,7 +278,7 @@
 
 static SIMPLE_DEV_PM_OPS(palmas_pm_ops, palmas_usb_suspend, palmas_usb_resume);
 
-static struct of_device_id of_palmas_match_tbl[] = {
+static const struct of_device_id of_palmas_match_tbl[] = {
 	{ .compatible = "ti,palmas-usb", },
 	{ .compatible = "ti,palmas-usb-vid", },
 	{ .compatible = "ti,twl6035-usb", },