s390/sclp: Remove vt220 power management support

Power management support was removed for s390 with
commit 3942162 ("s390: remove broken hibernate / power management
support").

Remove leftover sclp vt220-related power management code.

Acked-by: Heiko Carstens <[email protected]>
Signed-off-by: Peter Oberparleiter <[email protected]>
Signed-off-by: Vasily Gorbik <[email protected]>

drivers/s390/char/sclp_vt220.c

@@ -69,9 +69,6 @@ static LIST_HEAD(sclp_vt220_empty);
 /* List of pending requests */
 static LIST_HEAD(sclp_vt220_outqueue);
 
-/* Suspend mode flag */
-static int sclp_vt220_suspended;
-
 /* Flag that output queue is currently running */
 static int sclp_vt220_queue_running;
 
@@ -95,15 +92,12 @@ static int __initdata sclp_vt220_init_count;
 static int sclp_vt220_flush_later;
 
 static void sclp_vt220_receiver_fn(struct evbuf_header *evbuf);
-static void sclp_vt220_pm_event_fn(struct sclp_register *reg,
- enum sclp_pm_event sclp_pm_event);
 static int __sclp_vt220_emit(struct sclp_vt220_request *request);
 static void sclp_vt220_emit_current(void);
 
 /* Registration structure for SCLP output event buffers */
 static struct sclp_register sclp_vt220_register = {
  .send_mask = EVTYP_VT220MSG_MASK,
- .pm_event_fn = sclp_vt220_pm_event_fn,
 };
 
 /* Registration structure for SCLP input event buffers */
@@ -135,7 +129,7 @@ sclp_vt220_process_queue(struct sclp_vt220_request *request)
  if (!list_empty(&sclp_vt220_outqueue))
  request = list_entry(sclp_vt220_outqueue.next,
  struct sclp_vt220_request, list);
- if (!request || sclp_vt220_suspended) {
+ if (!request) {
  sclp_vt220_queue_running = 0;
  spin_unlock_irqrestore(&sclp_vt220_lock, flags);
  break;
@@ -241,7 +235,7 @@ sclp_vt220_emit_current(void)
  }
  sclp_vt220_flush_later = 0;
  }
- if (sclp_vt220_queue_running || sclp_vt220_suspended)
+ if (sclp_vt220_queue_running)
  goto out_unlock;
  if (list_empty(&sclp_vt220_outqueue))
  goto out_unlock;
@@ -420,7 +414,7 @@ __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule,
  if (list_empty(&sclp_vt220_empty))
  sclp_console_full++;
  while (list_empty(&sclp_vt220_empty)) {
- if (may_fail || sclp_vt220_suspended)
+ if (may_fail)
  goto out;
  if (sclp_vt220_drop_buffer())
  break;
@@ -791,46 +785,6 @@ static void __sclp_vt220_flush_buffer(void)
  spin_unlock_irqrestore(&sclp_vt220_lock, flags);
 }
 
-/*
- * Resume console: If there are cached messages, emit them.
- */
-static void sclp_vt220_resume(void)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&sclp_vt220_lock, flags);
- sclp_vt220_suspended = 0;
- spin_unlock_irqrestore(&sclp_vt220_lock, flags);
- sclp_vt220_emit_current();
-}
-
-/*
- * Suspend console: Set suspend flag and flush console
- */
-static void sclp_vt220_suspend(void)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&sclp_vt220_lock, flags);
- sclp_vt220_suspended = 1;
- spin_unlock_irqrestore(&sclp_vt220_lock, flags);
- __sclp_vt220_flush_buffer();
-}
-
-static void sclp_vt220_pm_event_fn(struct sclp_register *reg,
- enum sclp_pm_event sclp_pm_event)
-{
- switch (sclp_pm_event) {
- case SCLP_PM_EVENT_FREEZE:
- sclp_vt220_suspend();
- break;
- case SCLP_PM_EVENT_RESTORE:
- case SCLP_PM_EVENT_THAW:
- sclp_vt220_resume();
- break;
- }
-}
-
 #ifdef CONFIG_SCLP_VT220_CONSOLE
 
 static void