Release 4.10 samples/rpmsg/rpmsg_client_sample.c
/*
* Remote processor messaging - sample client driver
*
* Copyright (C) 2011 Texas Instruments, Inc.
* Copyright (C) 2011 Google, Inc.
*
* Ohad Ben-Cohen <ohad@wizery.com>
* Brian Swetland <swetland@google.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/rpmsg.h>
#define MSG "hello world!"
#define MSG_LIMIT 100
struct instance_data {
int rx_count;
};
static int rpmsg_sample_cb(struct rpmsg_device *rpdev, void *data, int len,
void *priv, u32 src)
{
int ret;
struct instance_data *idata = dev_get_drvdata(&rpdev->dev);
dev_info(&rpdev->dev, "incoming msg %d (src: 0x%x)\n",
++idata->rx_count, src);
print_hex_dump(KERN_DEBUG, __func__, DUMP_PREFIX_NONE, 16, 1,
data, len, true);
/* samples should not live forever */
if (idata->rx_count >= MSG_LIMIT) {
dev_info(&rpdev->dev, "goodbye!\n");
return 0;
}
/* send a new message now */
ret = rpmsg_send(rpdev->ept, MSG, strlen(MSG));
if (ret)
dev_err(&rpdev->dev, "rpmsg_send failed: %d\n", ret);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ohad ben-cohen | ohad ben-cohen | 111 | 81.02% | 1 | 20.00% |
| suman anna | suman anna | 16 | 11.68% | 1 | 20.00% |
| bjorn andersson | bjorn andersson | 10 | 7.30% | 3 | 60.00% |
| Total | 137 | 100.00% | 5 | 100.00% |
static int rpmsg_sample_probe(struct rpmsg_device *rpdev)
{
int ret;
struct instance_data *idata;
dev_info(&rpdev->dev, "new channel: 0x%x -> 0x%x!\n",
rpdev->src, rpdev->dst);
idata = devm_kzalloc(&rpdev->dev, sizeof(*idata), GFP_KERNEL);
if (!idata)
return -ENOMEM;
dev_set_drvdata(&rpdev->dev, idata);
/* send a message to our remote processor */
ret = rpmsg_send(rpdev->ept, MSG, strlen(MSG));
if (ret) {
dev_err(&rpdev->dev, "rpmsg_send failed: %d\n", ret);
return ret;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ohad ben-cohen | ohad ben-cohen | 70 | 60.87% | 1 | 25.00% |
| suman anna | suman anna | 42 | 36.52% | 1 | 25.00% |
| bjorn andersson | bjorn andersson | 3 | 2.61% | 2 | 50.00% |
| Total | 115 | 100.00% | 4 | 100.00% |
static void rpmsg_sample_remove(struct rpmsg_device *rpdev)
{
dev_info(&rpdev->dev, "rpmsg sample client driver is removed\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ohad ben-cohen | ohad ben-cohen | 20 | 95.24% | 1 | 50.00% |
| bjorn andersson | bjorn andersson | 1 | 4.76% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
static struct rpmsg_device_id rpmsg_driver_sample_id_table[] = {
{ .name = "rpmsg-client-sample" },
{ },
};
MODULE_DEVICE_TABLE(rpmsg, rpmsg_driver_sample_id_table);
static struct rpmsg_driver rpmsg_sample_client = {
.drv.name = KBUILD_MODNAME,
.id_table = rpmsg_driver_sample_id_table,
.probe = rpmsg_sample_probe,
.callback = rpmsg_sample_cb,
.remove = rpmsg_sample_remove,
};
module_rpmsg_driver(rpmsg_sample_client);
MODULE_DESCRIPTION("Remote processor messaging sample client driver");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ohad ben-cohen | ohad ben-cohen | 291 | 78.23% | 1 | 16.67% |
| suman anna | suman anna | 66 | 17.74% | 1 | 16.67% |
| bjorn andersson | bjorn andersson | 14 | 3.76% | 3 | 50.00% |
| andrew f. davis | andrew f. davis | 1 | 0.27% | 1 | 16.67% |
| Total | 372 | 100.00% | 6 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.