From 9585e59df161147821baae03247c2b34be432a48 Mon Sep 17 00:00:00 2001
From: molnarkares <molnarkares@gmail.com>
Date: Sun, 3 Mar 2013 20:02:43 +0100
Subject: [PATCH] CAN2 on STM32F1 is slave and its filter banks are configured
 thru CAN1 FMR

---
 lib/stm32/can.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/stm32/can.c b/lib/stm32/can.c
index 02528a9c..2c41dbf8 100644
--- a/lib/stm32/can.c
+++ b/lib/stm32/can.c
@@ -192,9 +192,12 @@ void can_filter_init(u32 canport, u32 nr, bool scale_32bit, bool id_list_mode,
 {
 	u32 filter_select_bit = 0x00000001 << nr;
 
-	/* Request initialization "enter". */
+    /* Request initialization "enter". */
 	CAN_FMR(canport) |= CAN_FMR_FINIT;
 
+	CAN_FMR(canport) &= (~0x3fUL)<<8;
+	CAN_FMR(canport) |= (14UL)<<8;
+
 	/* Deactivate the filter. */
 	CAN_FA1R(canport) &= ~filter_select_bit;