mfd: max77686: Make of_device_id array const

Array of struct of_device_id may be be const as expected by
of_match_table field.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index e5fce765accb..ce869acf27ae 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -47,7 +47,7 @@ static struct regmap_config max77686_regmap_config = {
 };
 
 #ifdef CONFIG_OF
-static struct of_device_id max77686_pmic_dt_match[] = {
+static const struct of_device_id max77686_pmic_dt_match[] = {
         {.compatible = "maxim,max77686", .data = NULL},
         {},
 };