+ * @dev: Device requesting a channel
+ * @channel: Output reference to the SCMI channel upon success
+ * @return 0 on success and a negative errno on failure
+ */
+int devm_scmi_of_get_channel(struct udevice *dev, struct scmi_channel **channel);
+
+/**
+ * devm_scmi_process_msg() - Send and process an SCMI message
+ *
+ * Send a message to an SCMI server through a target SCMI agent device.