diff --git a/bsp/K60Fxxxx/applications/application.c b/bsp/K60Fxxxx/applications/application.c
index c46ad36da..df05397e3 100644
--- a/bsp/K60Fxxxx/applications/application.c
+++ b/bsp/K60Fxxxx/applications/application.c
@@ -35,27 +35,7 @@
 
 void rt_init_thread_entry(void* parameter)
 {
-    /* LwIP Initialization */
-#ifdef RT_USING_LWIP
-    {
-        extern void lwip_sys_init(void);
-
-        /* register ethernetif device */
-        eth_system_device_init();
-
-        rt_hw_stm32_eth_init();
-        /* re-init device driver */
-        rt_device_init_all();
-
-        /* init lwip system */
-        lwip_sys_init();
-        rt_kprintf("TCP/IP initialized!\n");
-    }
-#endif
-
-//FS
-
-//GUI
+    /* nothing */
 }
 
 float f_var1;
@@ -70,7 +50,7 @@ static void rt_thread_entry_led1(void* parameter)
 {
     int n = 0;
     rt_hw_led_init();
-	
+
     while (1)
     {
         //rt_kprintf("LED\t%d\tis shining\r\n",n);
@@ -92,16 +72,9 @@ int rt_application_init()
 {
     rt_thread_t init_thread;
 
-#if (RT_THREAD_PRIORITY_MAX == 32)
     init_thread = rt_thread_create("init",
                                    rt_init_thread_entry, RT_NULL,
-                                   2048, 8, 20);
-#else
-    init_thread = rt_thread_create("init",
-                                   rt_init_thread_entry, RT_NULL,
-                                   2048, 80, 20);
-#endif
-
+                                   2048, RT_THREAD_PRIORITY_MAX/3, 20);
     if (init_thread != RT_NULL)
         rt_thread_startup(init_thread);
 
diff --git a/bsp/K60Fxxxx/applications/startup.c b/bsp/K60Fxxxx/applications/startup.c
index 49d72cff3..d9d499831 100644
--- a/bsp/K60Fxxxx/applications/startup.c
+++ b/bsp/K60Fxxxx/applications/startup.c
@@ -85,9 +85,6 @@ void rtthread_startup(void)
 	/* init scheduler system */
 	rt_system_scheduler_init();
 
-	/* init all device */
-	rt_device_init_all();
-
 	/* init application */
 	rt_application_init();
 
@@ -112,7 +109,7 @@ void rtthread_startup(void)
 
 int main(void)
 {
-	
+
 	/* disable interrupt first */
 	rt_hw_interrupt_disable();
 
diff --git a/bsp/at91sam9260/applications/application.c b/bsp/at91sam9260/applications/application.c
index fa2f06377..16388d4aa 100644
--- a/bsp/at91sam9260/applications/application.c
+++ b/bsp/at91sam9260/applications/application.c
@@ -138,8 +138,6 @@ void rt_init_thread_entry(void* parameter)
 		/* register ethernetif device */
 		eth_system_device_init();
 		rt_hw_macb_init();
-		/* re-init device driver */
-		rt_device_init_all();
 		/* init lwip system */
 		lwip_sys_init();
 	}
@@ -176,7 +174,7 @@ void rt_led_thread_entry(void* parameter)
 			led_on(3);
 		else
 			led_off(3);
-			
+
 	}
 }
 #endif
@@ -197,7 +195,7 @@ int rt_application_init()
 								rt_led_thread_entry, RT_NULL,
 								512, 20, 20);
 #endif
-								
+
 #else
 	init_thread = rt_thread_create("init",
 								rt_init_thread_entry, RT_NULL,
@@ -207,7 +205,7 @@ int rt_application_init()
 								rt_led_thread_entry, RT_NULL,
 								512, 200, 20);
 #endif
-								
+
 #endif
 
 	if (init_thread != RT_NULL)
diff --git a/bsp/avr32uc3b0/startup.c b/bsp/avr32uc3b0/startup.c
index 79098bd31..481ff1448 100644
--- a/bsp/avr32uc3b0/startup.c
+++ b/bsp/avr32uc3b0/startup.c
@@ -39,7 +39,6 @@ int main(void)
 #endif
 
 	rt_system_scheduler_init();
-	rt_device_init_all();
 	rt_application_init();
 
 #ifdef RT_USING_FINSH
diff --git a/bsp/bf533/startup.c b/bsp/bf533/startup.c
index a3cd60dd6..b1bf9884c 100644
--- a/bsp/bf533/startup.c
+++ b/bsp/bf533/startup.c
@@ -62,9 +62,6 @@ void rtthread_startup(void)
         RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
         &uart0);
 
-    /* init all device */
-    rt_device_init_all();
-
     rt_console_set_device("uart0");
 #endif
 
diff --git a/bsp/dev3210/startup.c b/bsp/dev3210/startup.c
index fe679f468..49cf5d4a0 100644
--- a/bsp/dev3210/startup.c
+++ b/bsp/dev3210/startup.c
@@ -65,11 +65,6 @@ void rtthread_startup(void)
 	/* init scheduler system */
 	rt_system_scheduler_init();
 
-#ifdef RT_USING_DEVICE
-	/* init all device */
-	rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();
 
diff --git a/bsp/jz47xx/startup.c b/bsp/jz47xx/startup.c
index 67779e996..47c02def6 100644
--- a/bsp/jz47xx/startup.c
+++ b/bsp/jz47xx/startup.c
@@ -55,11 +55,6 @@ void rtthread_startup(void)
 	/* init scheduler system */
 	rt_system_scheduler_init();
 
-#ifdef RT_USING_DEVICE
-	/* init all device */
-	rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();
 
diff --git a/bsp/lpc1114/startup.c b/bsp/lpc1114/startup.c
index 43f55cb3d..80497d0e2 100644
--- a/bsp/lpc1114/startup.c
+++ b/bsp/lpc1114/startup.c
@@ -76,11 +76,6 @@ void rtthread_startup(void)
 	rt_thread_idle_sethook(rt_hw_led_flash);
 #endif
 
-#ifdef RT_USING_DEVICE
-	/* init all device */
-	rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();
 
@@ -109,7 +104,7 @@ int main (void)
 
 	/* invoke rtthread_startup */
 	rtthread_startup();
-	
+
 	return 0;
 }
 
diff --git a/bsp/lpc122x/startup.c b/bsp/lpc122x/startup.c
index 43f55cb3d..80497d0e2 100644
--- a/bsp/lpc122x/startup.c
+++ b/bsp/lpc122x/startup.c
@@ -76,11 +76,6 @@ void rtthread_startup(void)
 	rt_thread_idle_sethook(rt_hw_led_flash);
 #endif
 
-#ifdef RT_USING_DEVICE
-	/* init all device */
-	rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();
 
@@ -109,7 +104,7 @@ int main (void)
 
 	/* invoke rtthread_startup */
 	rtthread_startup();
-	
+
 	return 0;
 }
 
diff --git a/bsp/lpc2148/applications/startup.c b/bsp/lpc2148/applications/startup.c
index b0f72afd4..5efc41fd8 100644
--- a/bsp/lpc2148/applications/startup.c
+++ b/bsp/lpc2148/applications/startup.c
@@ -100,9 +100,6 @@ void rtthread_startup(void)
 
     /* init hardware serial device */
     rt_hw_serial_init();
-
-    /*init all registed devices*/
-    rt_device_init_all();
 #endif
 
     /* init application */
diff --git a/bsp/ls1bdev/applications/application.c b/bsp/ls1bdev/applications/application.c
index d010f0f22..db345a1bb 100644
--- a/bsp/ls1bdev/applications/application.c
+++ b/bsp/ls1bdev/applications/application.c
@@ -33,14 +33,11 @@ void rt_init_thread_entry(void *parameter)
 
 		/* init Display Controller */
 		rt_hw_dc_init();
-			
-		/* re-init device driver */
-		rt_device_init_all();
-	
+
 		/* find Display Controller device */
 		dc = rt_device_find("dc");
-	
-		/* set Display Controller device as rtgui graphic driver */		
+
+		/* set Display Controller device as rtgui graphic driver */
 		rtgui_graphic_set_device(dc);
 	}
 #endif
@@ -59,7 +56,7 @@ int rt_application_init(void)
 	tid = rt_thread_create("init",
 							rt_init_thread_entry, RT_NULL,
 							4096, 8, 20);
-	if (tid != RT_NULL) 
+	if (tid != RT_NULL)
 		rt_thread_startup(tid);
 
 	return 0;
diff --git a/bsp/ls1bdev/applications/startup.c b/bsp/ls1bdev/applications/startup.c
index e73900485..befa929d3 100644
--- a/bsp/ls1bdev/applications/startup.c
+++ b/bsp/ls1bdev/applications/startup.c
@@ -64,11 +64,6 @@ void rtthread_startup(void)
 	/* init scheduler system */
 	rt_system_scheduler_init();
 
-#ifdef RT_USING_DEVICE
-	/* init all device */
-	rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();
 
diff --git a/bsp/m16c62p/applications/startup.c b/bsp/m16c62p/applications/startup.c
index 3857b6cda..2f6bede55 100644
--- a/bsp/m16c62p/applications/startup.c
+++ b/bsp/m16c62p/applications/startup.c
@@ -42,7 +42,7 @@ void rtthread_startup(void)
 {
 	/* init hardware interrupt */
 	rt_hw_interrupt_init();
-        
+
 	/* init board */
 	rt_hw_board_init();
 
@@ -51,13 +51,13 @@ void rtthread_startup(void)
 
 	/* init tick */
 	rt_system_tick_init();
-    
+
 	/* init kernel object */
 	rt_system_object_init();
-    
+
 	/* init timer system */
 	rt_system_timer_init();
-    
+
 #ifdef RT_USING_HEAP
 #ifdef __ICCM16C__
 	rt_system_heap_init(__segment_begin("DATA16_HEAP"), __segment_end("DATA16_HEAP"));
@@ -68,11 +68,6 @@ void rtthread_startup(void)
 
 	/* init scheduler system */
 	rt_system_scheduler_init();
-    
-#ifdef RT_USING_DEVICE
-	/* init all device */
-	rt_device_init_all();
-#endif
 
 	/* init application */
 	rt_application_init();
@@ -88,10 +83,10 @@ void rtthread_startup(void)
 
 	/* init idle thread */
 	rt_thread_idle_init();
-    
+
 	/* start scheduler */
 	rt_system_scheduler_start();
-    
+
 	/* never reach here */
 	return ;
 }
@@ -103,7 +98,7 @@ int main(void)
 
 	/* init system setting */
 	system_init();
-    
+
 	/* startup RT-Thread RTOS */
 	rtthread_startup();
 
diff --git a/bsp/mb9bf500r/application.c b/bsp/mb9bf500r/application.c
index fe17f240c..060be3cbd 100644
--- a/bsp/mb9bf500r/application.c
+++ b/bsp/mb9bf500r/application.c
@@ -15,7 +15,7 @@
 /**
  * @addtogroup FM3
  */
- 
+
 /*@{*/
 
 #include <rtthread.h>
@@ -37,48 +37,45 @@ static char msg_pool[2048];
 
 void rt_init_thread_entry(void *parameter)
 {
-    rt_device_t lcd;  
-    
+    rt_device_t lcd;
+
     rt_hw_led_init();
 	rt_hw_key_init();
 	rt_hw_adc_init();
-	rt_hw_lcd_init();      
+	rt_hw_lcd_init();
 	rt_hw_cpu_init();
-    
-	/* re-init device driver */
-	rt_device_init_all();
-	
+
 #ifdef RT_USING_RTGUI
 	extern void rtgui_system_server_init(void);
 
 	/* find lcd device */
-	lcd = rt_device_find("lcd");    
-    
-	/* set lcd device as rtgui graphic driver */		
+	lcd = rt_device_find("lcd");
+
+	/* set lcd device as rtgui graphic driver */
 	rtgui_graphic_set_device(lcd);
 
 	/* init rtgui system server */
 	rtgui_system_server_init();
-   
+
 	/* startup rtgui */
 	rtgui_startup();
 #else
 	{
 	char buf[20] = {'\0'};
     struct lcd_msg msg;
-    rt_device_t device;   
+    rt_device_t device;
     device = rt_device_find("lcd");
 	rt_device_control(device, RT_DEVICE_CTRL_LCD_CLEAR_SCR, RT_NULL);
 	x = 1;
 	y = 1;
-	rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, "ADC"); 
+	rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, "ADC");
 	x = 1;
 	y = 20;
 	rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, "CPU");
 	x = 1;
 	y = 40;
 	rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, "KEY");
-    
+
     while(1)
     {
         if (rt_mq_recv(&mq, &msg, sizeof(msg), RT_WAITING_FOREVER) == RT_EOK)
@@ -90,14 +87,14 @@ void rt_init_thread_entry(void *parameter)
 					y = 1;
 					rt_memset(buf, 0, sizeof(buf));
 					rt_sprintf(buf, "%04d", msg.adc_value);
-					rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, buf); 
+					rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, buf);
 					break;
 				case CPU_MSG:
 					x = 40;
 					y = 20;
 					rt_memset(buf, 0, sizeof(buf));
 					rt_sprintf(buf, "%03d %03d", msg.major, msg.minor);
-					rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, buf); 
+					rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, buf);
 					break;
 				case KEY_MSG:
 					x = 40;
@@ -110,22 +107,22 @@ void rt_init_thread_entry(void *parameter)
 							break;
 						case KEY_UP:
 							rt_sprintf(buf, "UP KEY   ");
-							break;	
+							break;
                 		case KEY_RIGHT:
 							rt_sprintf(buf, "RIGHT KEY");
 							break;
 						case KEY_LEFT:
 							rt_sprintf(buf, "LEFT KEY ");
-							break;	
+							break;
                 		case KEY_ENTER:
 							rt_sprintf(buf, "ENTER KEY");
 							break;
 						default:
 							rt_sprintf(buf, "NO KEY   ");
-							break;								
+							break;
                 	}
-					rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, buf); 
-                    break;                    
+					rt_device_control(device, RT_DEVICE_CTRL_LCD_PUT_STRING, buf);
+                    break;
     		}
         }
     }
@@ -138,11 +135,11 @@ int rt_application_init(void)
     rt_thread_t init_thread;
 
 	rt_mq_init(&mq, "mqt", &msg_pool[0], 128 - sizeof(void*), sizeof(msg_pool), RT_IPC_FLAG_FIFO);
-	
+
     init_thread = rt_thread_create("init", rt_init_thread_entry, RT_NULL, 1024, 21, 20);
     if(init_thread != RT_NULL)
         rt_thread_startup(init_thread);
-    
+
     return 0;
 }
 
diff --git a/bsp/microblaze/startup.c b/bsp/microblaze/startup.c
index c98098c03..1b5067ea5 100755
--- a/bsp/microblaze/startup.c
+++ b/bsp/microblaze/startup.c
@@ -52,7 +52,7 @@ void rtthread_startup(void)
 
 	/* init board */
 	rt_hw_board_init();
-	
+
 	rt_show_version();
 
 	/* init tick */
@@ -86,8 +86,6 @@ void rtthread_startup(void)
 #ifdef RT_USING_DEVICE
 	/* init hardware serial device */
 	rt_hw_serial_init();
-	/* init all device */
-	rt_device_init_all();
 #endif
 
 	/* init application */
@@ -113,7 +111,7 @@ int main (void)
 {
 	/* invoke rtthread_startup */
 	rtthread_startup();
-	
+
 	return 0;
 }
 
diff --git a/bsp/nuc140/startup.c b/bsp/nuc140/startup.c
index 0e3c695df..9fd5bc896 100644
--- a/bsp/nuc140/startup.c
+++ b/bsp/nuc140/startup.c
@@ -71,11 +71,6 @@ void rtthread_startup(void)
 	rt_thread_idle_sethook(rt_hw_led_flash);
 #endif
 
-#ifdef RT_USING_DEVICE
-	/* init all device */
-	rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();
 
diff --git a/bsp/sep6200/application/startup.c b/bsp/sep6200/application/startup.c
index 6c9d390fa..1514b1114 100644
--- a/bsp/sep6200/application/startup.c
+++ b/bsp/sep6200/application/startup.c
@@ -78,20 +78,6 @@ void rtthread_startup()
 	/* init scheduler system */
 	rt_system_scheduler_init();
 
-#ifdef RT_USING_DEVICE
-
-#ifdef RT_USING_DFS
-  /* Not implemented */
-#endif
-
-#ifdef RT_USING_LWIP
-  /* Not implemented */
-#endif
-
-	/*init all registed devices */
-	rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();
 
diff --git a/bsp/upd70f3454/applications/startup.c b/bsp/upd70f3454/applications/startup.c
index f609fc7cb..6434b8525 100644
--- a/bsp/upd70f3454/applications/startup.c
+++ b/bsp/upd70f3454/applications/startup.c
@@ -52,10 +52,10 @@ void rtthread_startup(void)
 
     /* init tick */
     rt_system_tick_init();
-    
+
     /* init kernel object */
     rt_system_object_init();
-    
+
     /* init timer system */
     rt_system_timer_init();
 
@@ -68,11 +68,6 @@ void rtthread_startup(void)
     /* init scheduler system */
     rt_system_scheduler_init();
 
-#ifdef RT_USING_DEVICE
-    /* init all device */
-    rt_device_init_all();
-#endif
-
     /* init application */
     rt_application_init();
 
@@ -102,7 +97,7 @@ int main(void)
 
     /* init system setting */
     TAB0_Start();
-    
+
     /* startup RT-Thread RTOS */
     rtthread_startup();
 
diff --git a/bsp/wh44b0/startup.c b/bsp/wh44b0/startup.c
index 1acafba54..2f8b4b5bf 100644
--- a/bsp/wh44b0/startup.c
+++ b/bsp/wh44b0/startup.c
@@ -84,10 +84,6 @@ void rtthread_startup(void)
 	rt_thread_idle_sethook(rt_hw_led_flash);
 #endif
 
-#ifdef RT_USING_DEVICE
-    rt_device_init_all();
-#endif
-
 	/* init application */
 	rt_application_init();