From 5654e7e41057b07b80e02e62ea57e1c4baeb8489 Mon Sep 17 00:00:00 2001
From: leo <wanglingsong@gmail.com>
Date: Thu, 8 Feb 2018 16:05:55 +0800
Subject: [PATCH] Free isr service related resources in hal_gpio_finalize

---
 platform/mcu/esp32/hal/gpio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/mcu/esp32/hal/gpio.c b/platform/mcu/esp32/hal/gpio.c
index a9013ca470..698a3b731d 100644
--- a/platform/mcu/esp32/hal/gpio.c
+++ b/platform/mcu/esp32/hal/gpio.c
@@ -171,6 +171,7 @@ int32_t hal_gpio_finalize(aos_gpio_dev_t *gpio)
     io_conf.pull_up_en = 0;
     //configure GPIO with the given settings
     ret = gpio_config(&io_conf);
-
+    // uninstall isr service
+    gpio_uninstall_isr_service();
     return ret;
 }