remove rt_passed_second in clock; init device driver when driver has been opened if it is not in activate status; change interrupt nest count to rt_uint8_t; add rt_console_set_device function in kservice.c (rt_kprintf function can use device right now)

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@464 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 1 insertions, 1 deletions

diff --git a/src/irq.c b/src/irq.c
index 3edde2f7bf..4effde32a0 100644
--- a/src/irq.c
+++ b/src/irq.c
@@ -24,7 +24,7 @@
 
 /*@{*/
 
-volatile rt_uint32_t rt_interrupt_nest;
+volatile rt_uint8_t rt_interrupt_nest;
 
 /**
  * This function will be invoked by BSP, when enter interrupt service routine