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rpmsg: rockchip_test: add delay compensation

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1. add delay compensation to the test demo
2. update the names of some structures

Change-Id: I12026f13395ad691628fd6a2c3cb1b15185b156e
Signed-off-by: Hongming Zou <hongming.zou@rock-chips.com>
This commit is contained in:
Hongming Zou
2023-08-24 16:50:49 +08:00
parent b5d46d598f
commit 0c4fa77794
1 changed files with 16 additions and 10 deletions
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26
drivers/rpmsg/rockchip_rpmsg_test.c
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@@ -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);