From 9c84ec6db53950c42bdd6bbd19c6cab4d2bd538e Mon Sep 17 00:00:00 2001
From: "charles.park" <charles.park@hardkernel.com>
Date: Thu, 7 Dec 2017 18:29:46 +0900
Subject: [PATCH] wiringPi : interrupt error fix(gpio sysfs unexport).

Change-Id: I1e826b7847dc140fe0edf79ed56aaa19be5c543c
---
 gpio/gpio_odroid.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gpio/gpio_odroid.c b/gpio/gpio_odroid.c
index a6f7f25..c8588f6 100755
--- a/gpio/gpio_odroid.c
+++ b/gpio/gpio_odroid.c
@@ -535,6 +535,9 @@ void doEdge (int argc, char *argv [])
 	char *mode ;
 	char fName [128] ;
 
+	// Reset gpio sysfs
+	doUnexport(3, argv);
+
 	if (argc != 4) {
 		fprintf (stderr, "Usage: %s edge pin mode\n", argv [0]) ;
 		exit (1) ;