diff --git a/freeclock-set-rtc_date_diff-for-arm.patch b/freeclock-set-rtc_date_diff-for-arm.patch
new file mode 100644
index 0000000..6156fe1
--- /dev/null
+++ b/freeclock-set-rtc_date_diff-for-arm.patch
@@ -0,0 +1,30 @@
+From 1e6bae1d13302594b6e63d88e8627fa477966cf4 Mon Sep 17 00:00:00 2001
+From: "shenghualong@huawei.com" <shenghualong@huawei.com>
+Date: Thu, 10 Feb 2022 14:23:28 +0800
+Subject: [PATCH] freeclock: set rtc_date_diff for arm
+
+Set rtc_date_diff in pl031.
+
+Signed-off-by: Peng Liang <liangpeng10@huawei.com>
+Signed-off-by: zhangxinhao <zhangxinhao1@huawei.com>
+---
+ hw/rtc/pl031.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/hw/rtc/pl031.c b/hw/rtc/pl031.c
+index e7ced90b02..da8b061e91 100644
+--- a/hw/rtc/pl031.c
++++ b/hw/rtc/pl031.c
+@@ -143,7 +143,8 @@ static void pl031_write(void * opaque, hwaddr offset,
+         s->tick_offset += value - pl031_get_count(s);
+ 
+         qemu_get_timedate(&tm, s->tick_offset);
+-        qapi_event_send_rtc_change(qemu_timedate_diff(&tm));
++        set_rtc_date_diff(qemu_timedate_diff(&tm));
++        qapi_event_send_rtc_change(get_rtc_date_diff());
+ 
+         pl031_set_alarm(s);
+         break;
+-- 
+2.27.0
+