diff --git a/drivers/rpmsg/rockchip_rpmsg_test.c b/drivers/rpmsg/rockchip_rpmsg_test.c
index 08677d6975b0..08e882112e53 100644
--- a/drivers/rpmsg/rockchip_rpmsg_test.c
+++ b/drivers/rpmsg/rockchip_rpmsg_test.c
@@ -6,17 +6,22 @@
  * Author: Hongming Zou <hongming.zou@rock-chips.com>
  */
 
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/rpmsg.h>
 #include <linux/rpmsg/rockchip_rpmsg.h>
+#include <linux/time.h>
 #include <linux/virtio.h>
 
 #define LINUX_TEST_MSG_1 "Announce master ept id!"
 #define LINUX_TEST_MSG_2 "Rockchip rpmsg linux test pingpong!"
-#define MSG_LIMIT       100
+#define MSG_LIMIT       10000
 
-struct instance_data {
+/* different processor cores may need to adjust the value of this definition */
+#define LINUX_RPMSG_COMPENSATION	(1)	//ms
+
+struct rpmsg_info_t {
 	int rx_count;
 };
 
@@ -25,18 +30,19 @@ static int rockchip_rpmsg_test_cb(struct rpmsg_device *rp, void *payload,
 {
 	int ret;
 	uint32_t remote_ept_id;
-	struct instance_data *idata = dev_get_drvdata(&rp->dev);
+	struct rpmsg_info_t *info = dev_get_drvdata(&rp->dev);
 
 	remote_ept_id = src;
 	dev_info(&rp->dev, "rx msg %s rx_count %d(remote_ept_id: 0x%x)\n",
-			(char *)payload, ++idata->rx_count, remote_ept_id);
+			(char *)payload, ++info->rx_count, remote_ept_id);
 
 	/* test should not live forever */
-	if (idata->rx_count >= MSG_LIMIT) {
+	if (info->rx_count >= MSG_LIMIT) {
 		dev_info(&rp->dev, "Rockchip rpmsg test exit!\n");
 		return 0;
 	}
 
+	mdelay(LINUX_RPMSG_COMPENSATION);
 	/* send a new message now */
 	ret = rpmsg_sendto(rp->ept, LINUX_TEST_MSG_2, strlen(LINUX_TEST_MSG_2), remote_ept_id);
 	if (ret)
@@ -48,17 +54,17 @@ static int rockchip_rpmsg_test_probe(struct rpmsg_device *rp)
 {
 	int ret;
 	uint32_t master_ept_id, remote_ept_id;
-	struct instance_data *idata;
+	struct rpmsg_info_t *info;
 
 	master_ept_id = rp->src;
 	remote_ept_id = rp->dst;
 	dev_info(&rp->dev, "new channel: 0x%x -> 0x%x!\n", master_ept_id, remote_ept_id);
 
-	idata = devm_kzalloc(&rp->dev, sizeof(*idata), GFP_KERNEL);
-	if (!idata)
+	info = devm_kzalloc(&rp->dev, sizeof(*info), GFP_KERNEL);
+	if (!info)
 		return -ENOMEM;
 
-	dev_set_drvdata(&rp->dev, idata);
+	dev_set_drvdata(&rp->dev, info);
 
 	/*
 	 * send a message to our remote processor, and tell remote
@@ -69,7 +75,7 @@ static int rockchip_rpmsg_test_probe(struct rpmsg_device *rp)
 		dev_err(&rp->dev, "rpmsg_send failed: %d\n", ret);
 		return ret;
 	}
-
+	mdelay(LINUX_RPMSG_COMPENSATION);
 	ret = rpmsg_sendto(rp->ept, LINUX_TEST_MSG_2, strlen(LINUX_TEST_MSG_2), remote_ept_id);
 	if (ret) {
 		dev_err(&rp->dev, "rpmsg_send failed: %d\n", ret);