Commit 9b357ccd authored by Peter Oberparleiter's avatar Peter Oberparleiter Committed by Vasily Gorbik
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s390/sclp: Remove quiesce power management support 



Power management support was removed for s390 with
commit 39421627 ("s390: remove broken hibernate / power management
support").

Remove leftover sclp quiesce-related power management code.

Acked-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarPeter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent fc8ebe82

drivers/s390/char/sclp_quiesce.c

+3 −34
Original line number Diff line number Diff line
@@ -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;

	}

	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. */