s390/sclp: Remove quiesce power management support
Power management support was removed for s390 with
commit 394216275c7d ("s390: remove broken hibernate / power management
support").
Remove leftover sclp quiesce-related power management code.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c
index 76956c2..ade7214 100644
--- a/drivers/s390/char/sclp_quiesce.c
+++ b/drivers/s390/char/sclp_quiesce.c
@@ -18,10 +18,6 @@
#include "sclp.h"
-static void (*old_machine_restart)(char *);
-static void (*old_machine_halt)(void);
-static void (*old_machine_power_off)(void);
-
/* Shutdown handler. Signal completion of shutdown by loading special PSW. */
static void do_machine_quiesce(void)
{
@@ -37,42 +33,15 @@ static void do_machine_quiesce(void)
/* Handler for quiesce event. Start shutdown procedure. */
static void sclp_quiesce_handler(struct evbuf_header *evbuf)
{
- if (_machine_restart != (void *) do_machine_quiesce) {
- old_machine_restart = _machine_restart;
- old_machine_halt = _machine_halt;
- old_machine_power_off = _machine_power_off;
- _machine_restart = (void *) do_machine_quiesce;
- _machine_halt = do_machine_quiesce;
- _machine_power_off = do_machine_quiesce;
- }
+ _machine_restart = (void *) do_machine_quiesce;
+ _machine_halt = do_machine_quiesce;
+ _machine_power_off = do_machine_quiesce;
ctrl_alt_del();
}
-/* Undo machine restart/halt/power_off modification on resume */
-static void sclp_quiesce_pm_event(struct sclp_register *reg,
- enum sclp_pm_event sclp_pm_event)
-{
- switch (sclp_pm_event) {
- case SCLP_PM_EVENT_RESTORE:
- if (old_machine_restart) {
- _machine_restart = old_machine_restart;
- _machine_halt = old_machine_halt;
- _machine_power_off = old_machine_power_off;
- old_machine_restart = NULL;
- old_machine_halt = NULL;
- old_machine_power_off = NULL;
- }
- break;
- case SCLP_PM_EVENT_FREEZE:
- case SCLP_PM_EVENT_THAW:
- break;
- }
-}
-
static struct sclp_register sclp_quiesce_event = {
.receive_mask = EVTYP_SIGQUIESCE_MASK,
.receiver_fn = sclp_quiesce_handler,
- .pm_event_fn = sclp_quiesce_pm_event
};
/* Initialize quiesce driver. */
