linux-kernel - [PATCH v6 3/3] sample: rpmsg: Print out RPMSG device name extension

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Date:   Fri, 15 May 2020 14:56:42 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     ohad@...ery.com, bjorn.andersson@...aro.org
Cc:     arnaud.pouliquen@...com, s-anna@...com,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v6 3/3] sample: rpmsg: Print out RPMSG device name extension

Use the new rpmsg_device_get_name_extension() API to print the
RPMSG name extension if used by a RPMSG device name.

Suggested-by: Arnaud Pouliquen <arnaud.pouliquen@...com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
---
 samples/rpmsg/rpmsg_client_sample.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/samples/rpmsg/rpmsg_client_sample.c b/samples/rpmsg/rpmsg_client_sample.c
index ae5081662283..2c5dc65ed844 100644
--- a/samples/rpmsg/rpmsg_client_sample.c
+++ b/samples/rpmsg/rpmsg_client_sample.c
@@ -51,8 +51,13 @@ static int rpmsg_sample_cb(struct rpmsg_device *rpdev, void *data, int len,
 static int rpmsg_sample_probe(struct rpmsg_device *rpdev)
 {
 	int ret;
+	const char *extension;
 	struct instance_data *idata;
 
+	extension = rpmsg_device_get_name_extension(rpdev, 1);
+	if (!IS_ERR_OR_NULL(extension))
+		dev_info(&rpdev->dev, "extension: %s\n", extension);
+
 	dev_info(&rpdev->dev, "new channel: 0x%x -> 0x%x!\n",
 					rpdev->src, rpdev->dst);
 
-- 
2.20.1