From c7fac09d42222391415733e1ad6fa2bba16f71b4 Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Wed, 6 Nov 2019 16:14:39 +0100
Subject: [PATCH] drivers/hd44780: fix potential hardfault on initialization

Co-authored-by Benjamin Valentin <benpicco@googlemail.com>
---
 drivers/hd44780/hd44780.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hd44780/hd44780.c b/drivers/hd44780/hd44780.c
index 73b2a60729..4895c9b9db 100644
--- a/drivers/hd44780/hd44780.c
+++ b/drivers/hd44780/hd44780.c
@@ -118,6 +118,7 @@ int hd44780_init(hd44780_t *dev, const hd44780_params_t *params)
         }
     }
     /* set mode depending on configured pins */
+    dev->flag = 0;
     if (count_pins < HD44780_MAX_PINS) {
         dev->flag |= HD44780_4BITMODE;
     }