1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 70a644f688b0..453f6a333b42 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -276,6 +276,7 @@ struct mei_cl {
 
  * @fw_status        : get fw status registers
  * @pg_state         : power gating state of the device
+ * @pg_in_transition : is device now in pg transition
  * @pg_is_enabled    : is power gating enabled
 
  * @intr_clear       : clear pending interrupts
@@ -305,6 +306,7 @@ struct mei_hw_ops {
 
         int (*fw_status)(struct mei_device *dev, struct mei_fw_status *fw_sts);
         enum mei_pg_state (*pg_state)(struct mei_device *dev);
+        bool (*pg_in_transition)(struct mei_device *dev);
         bool (*pg_is_enabled)(struct mei_device *dev);
 
         void (*intr_clear)(struct mei_device *dev);
@@ -349,11 +351,15 @@ struct mei_cl *mei_cl_bus_find_cl_by_uuid(struct mei_device *dev, uuid_le uuid);
  * @MEI_PG_EVENT_IDLE: the driver is not in power gating transition
  * @MEI_PG_EVENT_WAIT: the driver is waiting for a pg event to complete
  * @MEI_PG_EVENT_RECEIVED: the driver received pg event
+ * @MEI_PG_EVENT_INTR_WAIT: the driver is waiting for a pg event interrupt
+ * @MEI_PG_EVENT_INTR_RECEIVED: the driver received pg event interrupt
  */
 enum mei_pg_event {
         MEI_PG_EVENT_IDLE,
         MEI_PG_EVENT_WAIT,
         MEI_PG_EVENT_RECEIVED,
+        MEI_PG_EVENT_INTR_WAIT,
+        MEI_PG_EVENT_INTR_RECEIVED,
 };
 
 /**
@@ -670,6 +676,11 @@ static inline enum mei_pg_state mei_pg_state(struct mei_device *dev)
         return dev->ops->pg_state(dev);
 }
 
+static inline bool mei_pg_in_transition(struct mei_device *dev)
+{
+        return dev->ops->pg_in_transition(dev);
+}
+
 static inline bool mei_pg_is_enabled(struct mei_device *dev)
 {
         return dev->ops->pg_is_enabled(dev);