staging: vc04_services: Get rid of resume_blocker completion in struct vchiq_arm_state

Nobody is waiting on it, so delete all relevant code.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-4-nsaenzjulienne@suse.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c

@@ -2386,11 +2386,6 @@ vchiq_arm_init_state(struct vchiq_state *state,
 		 * completion while videocore is suspended. */
 		set_resume_state(arm_state, VC_RESUME_RESUMED);
 
-		init_completion(&arm_state->resume_blocker);
-		/* Initialise to 'done' state.  We only want to block on this
-		 * completion while resume is blocked */
-		complete_all(&arm_state->resume_blocker);
-
 		init_completion(&arm_state->blocked_blocker);
 		/* Initialise to 'done' state.  We only want to block on this
 		 * completion while things are waiting on the resume blocker */
@@ -2560,12 +2555,6 @@ need_resume(struct vchiq_state *state)
 			vchiq_videocore_wanted(state);
 }
 
-static inline void
-unblock_resume(struct vchiq_arm_state *arm_state)
-{
-	complete_all(&arm_state->resume_blocker);
-}
-
 /* Initiate suspend via slot handler. Should be called with the write lock
  * held */
 enum vchiq_status

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h

@@ -70,10 +70,6 @@ struct vchiq_arm_state {
 	*/
 	int peer_use_count;
 
-	/* Flag to indicate whether resume is blocked.  This happens when the
-	** ARM is suspending
-	*/
-	struct completion resume_blocker;
 	struct completion blocked_blocker;
 	int blocked_count;