[media] nuvoton-cir: in_use isn't actually in use, remove it

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index bf3060e..565f24c 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -991,7 +991,6 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(&nvt->nvt_lock, flags);
-	nvt->in_use = true;
 	nvt_enable_cir(nvt);
 	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
 
@@ -1004,7 +1003,6 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(&nvt->nvt_lock, flags);
-	nvt->in_use = false;
 	nvt_disable_cir(nvt);
 	spin_unlock_irqrestore(&nvt->nvt_lock, flags);
 }
diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h
index 379795d..1241fc8 100644
--- a/drivers/media/rc/nuvoton-cir.h
+++ b/drivers/media/rc/nuvoton-cir.h
@@ -70,7 +70,6 @@
 	struct ir_raw_event rawir;
 
 	spinlock_t nvt_lock;
-	bool in_use;
 
 	/* for rx */
 	u8 buf[RX_BUF_LEN];