diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 9afa3af78b6a..53ed2d46071e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -779,7 +779,7 @@ static int suspend_prepare(struct regulator_dev *rdev, suspend_state_t state)
 static void print_constraints(struct regulator_dev *rdev)
 {
 	struct regulation_constraints *constraints = rdev->constraints;
-	char buf[80] = "";
+	char buf[160] = "";
 	int count = 0;
 	int ret;