From d90ec98f52e8cec499754c5b6c30f298b21bfd03 Mon Sep 17 00:00:00 2001
From: Ben Gamari <bgamari.foss@gmail.com>
Date: Fri, 31 May 2013 13:51:52 -0400
Subject: [PATCH] stm32: Add missing exti_get_flag_status

---
 lib/stm32/exti2.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/stm32/exti2.c b/lib/stm32/exti2.c
index bea2f4d4..7c48b911 100644
--- a/lib/stm32/exti2.c
+++ b/lib/stm32/exti2.c
@@ -78,6 +78,14 @@ void exti_reset_request(u32 extis)
 	EXTI_PR = extis;
 }
 
+/*
+ * Check the flag of a given EXTI interrupt.
+ * */
+u32 exti_get_flag_status(u32 exti)
+{
+	return EXTI_PR & exti;
+}
+
 /*
  * Remap an external interrupt line to the corresponding pin on the
  * specified GPIO port.