staging: vc04_services: Get rid of vchiq_platform_suspend/resume()

vchiq_platform_suspend() and vchiq_platform_resume() do nothing, get rid
of them.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-9-nsaenzjulienne@suse.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c

@@ -257,18 +257,6 @@ int vchiq_dump_platform_state(void *dump_context)
 	return vchiq_dump(dump_context, buf, len + 1);
 }
 
-enum vchiq_status
-vchiq_platform_suspend(struct vchiq_state *state)
-{
-	return VCHIQ_ERROR;
-}
-
-enum vchiq_status
-vchiq_platform_resume(struct vchiq_state *state)
-{
-	return VCHIQ_SUCCESS;
-}
-
 int
 vchiq_platform_videocore_wanted(struct vchiq_state *state)
 {

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

@@ -2572,7 +2572,6 @@ void
 vchiq_platform_check_suspend(struct vchiq_state *state)
 {
 	struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state);
-	int susp = 0;
 
 	if (!arm_state)
 		goto out;
@@ -2581,15 +2580,10 @@ vchiq_platform_check_suspend(struct vchiq_state *state)
 
 	write_lock_bh(&arm_state->susp_res_lock);
 	if (arm_state->vc_suspend_state == VC_SUSPEND_REQUESTED &&
-			arm_state->vc_resume_state == VC_RESUME_RESUMED) {
+			arm_state->vc_resume_state == VC_RESUME_RESUMED)
 		set_suspend_state(arm_state, VC_SUSPEND_IN_PROGRESS);
-		susp = 1;
-	}
 	write_unlock_bh(&arm_state->susp_res_lock);
 
-	if (susp)
-		vchiq_platform_suspend(state);
-
 out:
 	vchiq_log_trace(vchiq_susp_log_level, "%s exit", __func__);
 	return;

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

@@ -112,9 +112,6 @@ vchiq_release_service(unsigned int handle);
 extern enum vchiq_status
 vchiq_check_service(struct vchiq_service *service);
 
-extern enum vchiq_status
-vchiq_platform_suspend(struct vchiq_state *state);
-
 extern int
 vchiq_platform_videocore_wanted(struct vchiq_state *state);
 

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

@@ -1895,10 +1895,6 @@ slot_handler_func(void *v)
 				}
 				break;
 
-			case VCHIQ_CONNSTATE_PAUSED:
-				vchiq_platform_resume(state);
-				break;
-
 			case VCHIQ_CONNSTATE_RESUMING:
 				if (queue_message(state, NULL,
 					VCHIQ_MAKE_MSG(VCHIQ_MSG_RESUME, 0, 0),

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

@@ -593,9 +593,6 @@ remote_event_signal(struct remote_event *event);
 void
 vchiq_platform_check_suspend(struct vchiq_state *state);
 
-extern enum vchiq_status
-vchiq_platform_resume(struct vchiq_state *state);
-
 extern int
 vchiq_dump(void *dump_context, const char *str, int len);