rpmsg: glink: Expose rpmsg name attr for glink (4e3dda0b) · Commits · 戴 / test

drivers/rpmsg/qcom_glink_native.c

+26 −0

Original line number	Diff line number	Diff line
		@@ -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;