From 3ded26a700840ad56690f18054004df03b2ba6d2 Mon Sep 17 00:00:00 2001
From: nongxiaoming <nongxiaoming@qq.com>
Date: Sat, 6 Jun 2020 17:20:36 +0800
Subject: [PATCH] [bsp][imxrt] fix the gpio drivers warning,'int_mode' may be
 used uninitialized.

---
 bsp/imxrt/libraries/drivers/drv_gpio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bsp/imxrt/libraries/drivers/drv_gpio.c b/bsp/imxrt/libraries/drivers/drv_gpio.c
index 3701902829..ee1d2eb96b 100644
--- a/bsp/imxrt/libraries/drivers/drv_gpio.c
+++ b/bsp/imxrt/libraries/drivers/drv_gpio.c
@@ -559,6 +559,9 @@ static rt_err_t imxrt_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt
         case PIN_IRQ_MODE_LOW_LEVEL:
             int_mode = kGPIO_IntLowLevel;
             break;
+        default:
+            int_mode = kGPIO_IntRisingEdge;
+            break;
         }
         irq_index = (port << 1) + (pin_num >> 4);
         GPIO_PinSetInterruptConfig(mask_tab[port].gpio, pin_num, int_mode);