diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 28745b9ba279..cb1db4a7475d 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -547,6 +547,10 @@ struct sdw_slave_ops {
  * @node: node for bus list
  * @port_ready: Port ready completion flag for each Slave port
  * @dev_num: Device Number assigned by Bus
+ * @probed: boolean tracking driver state
+ * @probe_complete: completion utility to control potential races
+ * on startup between driver probe/initialization and SoundWire
+ * Slave state changes/implementation-defined interrupts
  */
 struct sdw_slave {
 	struct sdw_slave_id id;
@@ -561,6 +565,8 @@ struct sdw_slave {
 	struct list_head node;
 	struct completion *port_ready;
 	u16 dev_num;
+	bool probed;
+	struct completion probe_complete;
 };
 
 #define dev_to_sdw_dev(_dev) container_of(_dev, struct sdw_slave, dev)