From 18c1618637807c38243e3f34c968fdca0b1a4f56 Mon Sep 17 00:00:00 2001
From: adustm <adustm13@gmail.com>
Date: Fri, 3 Mar 2017 17:05:28 +0100
Subject: [PATCH] DISCO_F469NI: allow the use of CAN2 instance when CAN1 is not
 activated

---
 targets/TARGET_STM/can_api.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/targets/TARGET_STM/can_api.c b/targets/TARGET_STM/can_api.c
index 4c588e72503..e5f0a040d69 100644
--- a/targets/TARGET_STM/can_api.c
+++ b/targets/TARGET_STM/can_api.c
@@ -43,6 +43,7 @@ void can_init(can_t *obj, PinName rd, PinName td)
     }
 #if defined(CAN2_BASE) && (CAN_NUM == 2)
     else if (obj->can == CAN_2) {
+        __HAL_RCC_CAN1_CLK_ENABLE(); // needed to set filters
         __HAL_RCC_CAN2_CLK_ENABLE();
         obj->index = 1;
     }