Commit 4e3dda0b authored by Chris Lew's avatar Chris Lew Committed by Bjorn Andersson

rpmsg: glink: Expose rpmsg name attr for glink

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: default avatarChris Lew <clew@codeaurora.org>
Signed-off-by: default avatarArun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: default avatarDeepak Kumar Singh <deesin@codeaurora.org>
Link: https://lore.kernel.org/r/1593017121-7953-5-git-send-email-deesin@codeaurora.orgSigned-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 0f579e52
......@@ -1574,6 +1574,26 @@ static void qcom_glink_cancel_rx_work(struct qcom_glink *glink)
kfree(dcmd);
}
static ssize_t rpmsg_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret = 0;
const char *name;
ret = of_property_read_string(dev->of_node, "label", &name);
if (ret < 0)
name = dev->of_node->name;
return snprintf(buf, RPMSG_NAME_SIZE, "%s\n", 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);
......@@ -1638,6 +1658,12 @@ struct qcom_glink *qcom_glink_native_probe(struct device *dev,
idr_init(&glink->lcids);
idr_init(&glink->rcids);
glink->dev->groups = qcom_glink_groups;
ret = device_add_groups(dev, qcom_glink_groups);
if (ret)
dev_err(dev, "failed to add groups\n");
ret = of_property_read_string(dev->of_node, "label", &glink->name);
if (ret < 0)
glink->name = dev->of_node->name;
......
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