31 static int rpmsg_sample_cb(struct rpmsg_device *rpdev, void *data, int len,  in rpmsg_sample_cb()  argument
35 	struct instance_data *idata = dev_get_drvdata(&rpdev->dev);  in rpmsg_sample_cb()
37 	dev_info(&rpdev->dev, "incoming msg %d (src: 0x%x)\n",  in rpmsg_sample_cb()
45 		dev_info(&rpdev->dev, "goodbye!\n");  in rpmsg_sample_cb()
50 	ret = rpmsg_send(rpdev->ept, MSG, strlen(MSG));  in rpmsg_sample_cb()
52 		dev_err(&rpdev->dev, "rpmsg_send failed: %d\n", ret);  in rpmsg_sample_cb()
57 static int rpmsg_sample_probe(struct rpmsg_device *rpdev)  in rpmsg_sample_probe()  argument
62 	dev_info(&rpdev->dev, "new channel: 0x%x -> 0x%x!\n",  in rpmsg_sample_probe()
63 					rpdev->src, rpdev->dst);  in rpmsg_sample_probe()
65 	idata = devm_kzalloc(&rpdev->dev, sizeof(*idata), GFP_KERNEL);  in rpmsg_sample_probe()
69 	dev_set_drvdata(&rpdev->dev, idata);  in rpmsg_sample_probe()
72 	ret = rpmsg_send(rpdev->ept, MSG, strlen(MSG));  in rpmsg_sample_probe()
74 		dev_err(&rpdev->dev, "rpmsg_send failed: %d\n", ret);  in rpmsg_sample_probe()
81 static void rpmsg_sample_remove(struct rpmsg_device *rpdev)  in rpmsg_sample_remove()  argument
83 	dev_info(&rpdev->dev, "rpmsg sample client driver is removed\n");  in rpmsg_sample_remove()