[PATCH 4/6] rpmsg: glink: Expose rpmsg name attr for glink

[Chris Lew]

Expose the name field as an attr so clients listening to uevents for
rpmsg can identify the edge the events correspond to.

Signed-off-by: Chris Lew <c...@codeaurora.org>
---
 drivers/rpmsg/qcom_glink_native.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/rpmsg/qcom_glink_native.c 
b/drivers/rpmsg/qcom_glink_native.c
index 786f2eca01f1..a897ccea3098 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -1558,6 +1558,22 @@ static void qcom_glink_work(struct work_struct *work)
        }
 }
 
+static ssize_t rpmsg_name_show(struct device *dev,
+                              struct device_attribute *attr, char *buf)
+{
+       struct rpmsg_device *rpdev = to_rpmsg_device(dev);
+       struct qcom_glink_device *gdev = to_glink_device(rpdev);
+
+       return snprintf(buf, RPMSG_NAME_SIZE, "%s\n", gdev->glink->name);
+}
+static DEVICE_ATTR_RO(rpmsg_name);
+
+static struct attribute *qcom_glink_attrs[] = {
+       &dev_attr_rpmsg_name.attr,
+       NULL
+};
+ATTRIBUTE_GROUPS(qcom_glink);
+
 static void qcom_glink_device_release(struct device *dev)
 {
        struct rpmsg_device *rpdev = to_rpmsg_device(dev);
@@ -1597,6 +1613,8 @@ struct qcom_glink *qcom_glink_native_probe(struct device 
*dev,
                return ERR_PTR(-ENOMEM);
 
        glink->dev = dev;
+       glink->dev->groups = qcom_glink_groups;
+
        glink->tx_pipe = tx;
        glink->rx_pipe = rx;
 
-- 
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