diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 62262fac7a5d62d32098c9e05294f11a1149a4b9..b070c659391f5043a6faa142f816fdd061411c01 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3344,7 +3344,7 @@ static void nvme_fw_act_work(struct work_struct *work)
 }
 
 void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
-		union nvme_result *res)
+		volatile union nvme_result *res)
 {
 	u32 result = le32_to_cpu(res->u32);
 
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 061fecfd44f59046ead7fdc40a9469da38ae47bd..7a872b0d53a751682924806ff3b3b00ce742e8c3 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -400,7 +400,7 @@ int nvme_sec_submit(void *data, u16 spsp, u8 secp, void *buffer, size_t len,
 		bool send);
 
 void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status,
-		union nvme_result *res);
+		volatile union nvme_result *res);
 
 void nvme_stop_queues(struct nvme_ctrl *ctrl);
 void nvme_start_queues(struct nvme_ctrl *ctrl);