Release 4.8 net/qrtr/smd.c
/*
* Copyright (c) 2015, Sony Mobile Communications Inc.
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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/module.h>
#include <linux/skbuff.h>
#include <linux/soc/qcom/smd.h>
#include "qrtr.h"
struct qrtr_smd_dev {
struct qrtr_endpoint ep;
struct qcom_smd_channel *channel;
struct device *dev;
};
/* from smd to qrtr */
static int qcom_smd_qrtr_callback(struct qcom_smd_channel *channel,
const void *data, size_t len)
{
struct qrtr_smd_dev *qdev = qcom_smd_get_drvdata(channel);
int rc;
if (!qdev)
return -EAGAIN;
rc = qrtr_endpoint_post(&qdev->ep, data, len);
if (rc == -EINVAL) {
dev_err(qdev->dev, "invalid ipcrouter packet\n");
/* return 0 to let smd drop the packet */
rc = 0;
}
return rc;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| courtney cavin | courtney cavin | 76 | 93.83% | 1 | 50.00% |
| bjorn andersson | bjorn andersson | 5 | 6.17% | 1 | 50.00% |
| Total | 81 | 100.00% | 2 | 100.00% |
/* from qrtr to smd */
static int qcom_smd_qrtr_send(struct qrtr_endpoint *ep, struct sk_buff *skb)
{
struct qrtr_smd_dev *qdev = container_of(ep, struct qrtr_smd_dev, ep);
int rc;
rc = skb_linearize(skb);
if (rc)
goto out;
rc = qcom_smd_send(qdev->channel, skb->data, skb->len);
out:
if (rc)
kfree_skb(skb);
else
consume_skb(skb);
return rc;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| courtney cavin | courtney cavin | 85 | 100.00% | 1 | 100.00% |
| Total | 85 | 100.00% | 1 | 100.00% |
static int qcom_smd_qrtr_probe(struct qcom_smd_device *sdev)
{
struct qrtr_smd_dev *qdev;
int rc;
qdev = devm_kzalloc(&sdev->dev, sizeof(*qdev), GFP_KERNEL);
if (!qdev)
return -ENOMEM;
qdev->channel = sdev->channel;
qdev->dev = &sdev->dev;
qdev->ep.xmit = qcom_smd_qrtr_send;
rc = qrtr_endpoint_register(&qdev->ep, QRTR_EP_NID_AUTO);
if (rc)
return rc;
qcom_smd_set_drvdata(sdev->channel, qdev);
dev_set_drvdata(&sdev->dev, qdev);
dev_dbg(&sdev->dev, "Qualcomm SMD QRTR driver probed\n");
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| courtney cavin | courtney cavin | 104 | 85.25% | 1 | 50.00% |
| bjorn andersson | bjorn andersson | 18 | 14.75% | 1 | 50.00% |
| Total | 122 | 100.00% | 2 | 100.00% |
static void qcom_smd_qrtr_remove(struct qcom_smd_device *sdev)
{
struct qrtr_smd_dev *qdev = dev_get_drvdata(&sdev->dev);
qrtr_endpoint_unregister(&qdev->ep);
dev_set_drvdata(&sdev->dev, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| courtney cavin | courtney cavin | 42 | 100.00% | 1 | 100.00% |
| Total | 42 | 100.00% | 1 | 100.00% |
static const struct qcom_smd_id qcom_smd_qrtr_smd_match[] = {
{ "IPCRTR" },
{}
};
static struct qcom_smd_driver qcom_smd_qrtr_driver = {
.probe = qcom_smd_qrtr_probe,
.remove = qcom_smd_qrtr_remove,
.callback = qcom_smd_qrtr_callback,
.smd_match_table = qcom_smd_qrtr_smd_match,
.driver = {
.name = "qcom_smd_qrtr",
.owner = THIS_MODULE,
},
};
module_qcom_smd_driver(qcom_smd_qrtr_driver);
MODULE_DESCRIPTION("Qualcomm IPC-Router SMD interface driver");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| courtney cavin | courtney cavin | 408 | 93.58% | 1 | 50.00% |
| bjorn andersson | bjorn andersson | 28 | 6.42% | 1 | 50.00% |
| Total | 436 | 100.00% | 2 | 100.00% |
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