From 400b96d2d9961b7c218caa4d571af276a5a50d9c Mon Sep 17 00:00:00 2001
From: Grissiom <chaos.proton@gmail.com>
Date: Fri, 25 Oct 2013 20:32:48 +0800
Subject: [PATCH] k60: add rt_interrupt_{enter,leave} in IRQHandler

---
 bsp/K60Fxxxx/drivers/drv_uart.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bsp/K60Fxxxx/drivers/drv_uart.c b/bsp/K60Fxxxx/drivers/drv_uart.c
index 2ce8b0f9ae..5452ccb8c5 100644
--- a/bsp/K60Fxxxx/drivers/drv_uart.c
+++ b/bsp/K60Fxxxx/drivers/drv_uart.c
@@ -218,7 +218,9 @@ static const struct rt_uart_ops _k60_ops =
 
 void UART5_RX_TX_IRQHandler(void)
 {
+    rt_interrupt_enter();
     rt_hw_serial_isr((struct rt_serial_device*)&_k60_serial);
+    rt_interrupt_leave();
 }