[v3,2/6] rpmsg: glink: Store edge name for glink device

Commit Message

Chris Lew April 26, 2018, 10:59 p.m. UTC

Channels may need to identify the edge their channel was probed for.
Store the edge name by reading the label property from device tree or
default to the node name.

Signed-off-by: Chris Lew <[e-mail]>
---

Changes since v1:
- None

 drivers/rpmsg/qcom_glink_native.c | 6 ++++++
 1 file changed, 6 insertions(+)

Patch

diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index 768ef542a841..c3f548e2ff20 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -101,6 +101,8 @@  struct glink_core_rx_intent {
 struct qcom_glink {
 	struct device *dev;
 
+	const char *name;
+
 	struct mbox_client mbox_client;
 	struct mbox_chan *mbox_chan;
 
@@ -1580,6 +1582,10 @@  struct qcom_glink *qcom_glink_native_probe(struct device *dev,
 	idr_init(&glink->lcids);
 	idr_init(&glink->rcids);
 
+	ret = of_property_read_string(dev->of_node, "label", &glink->name);
+	if (ret < 0)
+		glink->name = dev->of_node->name;
+
 	glink->mbox_client.dev = dev;
 	glink->mbox_client.knows_txdone = true;
 	glink->mbox_chan = mbox_request_channel(&glink->mbox_client, 0);