diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
index e8eb747f22ef..5c2f87272ce2 100644
--- a/drivers/staging/media/hantro/hantro.h
+++ b/drivers/staging/media/hantro/hantro.h
@@ -167,6 +167,7 @@ hantro_vdev_to_func(struct video_device *vdev)
  * @reg_bases:		Mapped addresses of VPU registers.
  * @enc_base:		Mapped address of VPU encoder register for convenience.
  * @dec_base:		Mapped address of VPU decoder register for convenience.
+ * @ctrl_base:		Mapped address of VPU control block.
  * @vpu_mutex:		Mutex to synchronize V4L2 calls.
  * @irqlock:		Spinlock to synchronize access to data structures
  *			shared with interrupt handlers.
@@ -185,6 +186,7 @@ struct hantro_dev {
 	void __iomem **reg_bases;
 	void __iomem *enc_base;
 	void __iomem *dec_base;
+	void __iomem *ctrl_base;
 
 	struct mutex vpu_mutex;	/* video_device lock */
 	spinlock_t irqlock;