net/qrtr/smd.c

1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/rpmsg.h>
23 	struct qrtr_smd_dev *qdev = dev_get_drvdata(&rpdev->dev);  in qcom_smd_qrtr_callback()
27 		return -EAGAIN;  in qcom_smd_qrtr_callback()
29 	rc = qrtr_endpoint_post(&qdev->ep, data, len);  in qcom_smd_qrtr_callback()
30 	if (rc == -EINVAL) {  in qcom_smd_qrtr_callback()
31 		dev_err(qdev->dev, "invalid ipcrouter packet\n");  in qcom_smd_qrtr_callback()
47 		goto out;  in qcom_smd_qrtr_send()
49 	rc = rpmsg_send(qdev->channel, skb->data, skb->len);  in qcom_smd_qrtr_send()
51 out:  in qcom_smd_qrtr_send()
64 	qdev = devm_kzalloc(&rpdev->dev, sizeof(*qdev), GFP_KERNEL);  in qcom_smd_qrtr_probe()
66 		return -ENOMEM;  in qcom_smd_qrtr_probe()
68 	qdev->channel = rpdev->ept;  in qcom_smd_qrtr_probe()
69 	qdev->dev = &rpdev->dev;  in qcom_smd_qrtr_probe()
70 	qdev->ep.xmit = qcom_smd_qrtr_send;  in qcom_smd_qrtr_probe()
72 	rc = qrtr_endpoint_register(&qdev->ep, QRTR_EP_NID_AUTO);  in qcom_smd_qrtr_probe()
76 	dev_set_drvdata(&rpdev->dev, qdev);  in qcom_smd_qrtr_probe()
78 	dev_dbg(&rpdev->dev, "Qualcomm SMD QRTR driver probed\n");  in qcom_smd_qrtr_probe()
85 	struct qrtr_smd_dev *qdev = dev_get_drvdata(&rpdev->dev);  in qcom_smd_qrtr_remove()
87 	qrtr_endpoint_unregister(&qdev->ep);  in qcom_smd_qrtr_remove()
89 	dev_set_drvdata(&rpdev->dev, NULL);  in qcom_smd_qrtr_remove()
109 MODULE_ALIAS("rpmsg:IPCRTR");
110 MODULE_DESCRIPTION("Qualcomm IPC-Router SMD interface driver");