From 5b66c7b712daf67814698a87f108db9e2722f5e9 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Fri, 11 Jan 2019 01:51:57 +1100
Subject: [PATCH] stm32/wdt: Make singleton WDT object const so it goes in ROM.

---
 ports/stm32/wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ports/stm32/wdt.c b/ports/stm32/wdt.c
index 0759ed8e3..3cfbd7f2e 100644
--- a/ports/stm32/wdt.c
+++ b/ports/stm32/wdt.c
@@ -37,7 +37,7 @@ typedef struct _pyb_wdt_obj_t {
     mp_obj_base_t base;
 } pyb_wdt_obj_t;
 
-STATIC pyb_wdt_obj_t pyb_wdt = {{&pyb_wdt_type}};
+STATIC const pyb_wdt_obj_t pyb_wdt = {{&pyb_wdt_type}};
 
 STATIC mp_obj_t pyb_wdt_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
     // parse arguments