diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 4e506d0..8f32b6b 100755
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -391,6 +391,8 @@
 #define __NR_pwritev			(__NR_SYSCALL_BASE+362)
 #define __NR_rt_tgsigqueueinfo		(__NR_SYSCALL_BASE+363)
 #define __NR_perf_event_open		(__NR_SYSCALL_BASE+364)
+#define __NR_recvmmsg			(__NR_SYSCALL_BASE+365)
+#define __NR_accept4			(__NR_SYSCALL_BASE+366)
 
 /*
  * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 4f07168..bb50a6b 100755
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -374,6 +374,8 @@
 		CALL(sys_pwritev)
 		CALL(sys_rt_tgsigqueueinfo)
 		CALL(sys_perf_event_open)
+		CALL(sys_accept4)
+		CALL(sys_accept4)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/drivers/input/touchscreen/tegra_odm.c b/drivers/input/touchscreen/tegra_odm.c
index 6f3ad3d..908efb8 100755
--- a/drivers/input/touchscreen/tegra_odm.c
+++ b/drivers/input/touchscreen/tegra_odm.c
@@ -559,34 +559,16 @@ static void tegra_touch_fingers_dealwith(struct tegra_touch_driver_data *touch,
 {
 	if(0 == fingers)
 	{
-		input_report_abs(touch->input_dev, ABS_MT_TOUCH_MAJOR, 0);
-		input_report_abs(touch->input_dev, ABS_MT_WIDTH_MAJOR, 0);
-		input_mt_sync(touch->input_dev);
+		input_report_key(touch->input_dev, BTN_TOUCH, 0);
 	}
 
-	if(1 == fingers)
+	if(1 <= fingers)
 	{
-		input_report_abs(touch->input_dev, ABS_MT_POSITION_X, coord.additionalInfo.multi_XYCoords[0][0]);	
-		input_report_abs(touch->input_dev, ABS_MT_POSITION_Y, coord.additionalInfo.multi_XYCoords[0][1]);
-		input_report_abs(touch->input_dev, ABS_MT_TOUCH_MAJOR, 10);
-		input_report_abs(touch->input_dev, ABS_MT_WIDTH_MAJOR, 20);
-		input_mt_sync(touch->input_dev);
+		input_report_abs(touch->input_dev, ABS_X, coord.additionalInfo.multi_XYCoords[0][0]);
+		input_report_abs(touch->input_dev, ABS_Y, coord.additionalInfo.multi_XYCoords[0][1]);
+		input_report_key(touch->input_dev, BTN_TOUCH, 1);
 	}
 
-	if(2 == fingers)
-	{
-		input_report_abs(touch->input_dev, ABS_MT_POSITION_X, coord.additionalInfo.multi_XYCoords[0][0]);	
-		input_report_abs(touch->input_dev, ABS_MT_POSITION_Y, coord.additionalInfo.multi_XYCoords[0][1]);
-		input_report_abs(touch->input_dev, ABS_MT_TOUCH_MAJOR, 10);
-		input_report_abs(touch->input_dev, ABS_MT_WIDTH_MAJOR, 20);
-		input_mt_sync(touch->input_dev);
-
-		input_report_abs(touch->input_dev, ABS_MT_POSITION_X, coord.additionalInfo.multi_XYCoords[1][0]);
-		input_report_abs(touch->input_dev, ABS_MT_POSITION_Y, coord.additionalInfo.multi_XYCoords[1][1]);
-		input_report_abs(touch->input_dev, ABS_MT_TOUCH_MAJOR, 10);
-		input_report_abs(touch->input_dev, ABS_MT_WIDTH_MAJOR, 20);
-		input_mt_sync(touch->input_dev);
-	}
 	input_sync(touch->input_dev);
 }
 #define TIME_READ_INTERVAL    10 //MS
@@ -657,28 +639,9 @@ InBurnBootloader:
 				coord.additionalInfo.multi_XYCoords[1][0], coord.additionalInfo.multi_XYCoords[1][1]));
 			#endif
 
-			switch(coord.additionalInfo.Fingers)
-			{
-				#if 0
-				case 0:
-					tegra_touch_fingers_dealwith(touch, coord, 0); //fingers = 0
-
-					msleep(TIME_READ_INTERVAL);
-					break;
-				#endif
-				case 0:
-					break;
-				
-				case 1:
-					tegra_touch_fingers_dealwith(touch, coord, 1); //fingers = 1
-					msleep(TIME_READ_INTERVAL);
-					break;
-				case 2:
-					tegra_touch_fingers_dealwith(touch, coord, 2); //fingers = 2
-					msleep(TIME_READ_INTERVAL);
-					break;
-				default:
-					break;
+			if (coord.additionalInfo.Fingers > 0) {
+				tegra_touch_fingers_dealwith(touch, coord, coord.additionalInfo.Fingers);
+				msleep(TIME_READ_INTERVAL);
 			}
 
 HandleInterrupt:
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 3e6e5a0..cc9e488 100755
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -24,6 +24,7 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/device.h>
+#include <linux/kdev_t.h>
 
 #include <linux/usb/composite.h>
 
diff --git a/include/asm-arm b/include/asm-arm
deleted file mode 100755
index e69de29..0000000