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Commit cd51e61c authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

PM / ACPI: Remove references to pm_flags from bus.c 



If direct references to pm_flags are removed from drivers/acpi/bus.c,
CONFIG_ACPI will not need to depend on CONFIG_PM any more.  Make that
happen.

Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Acked-by: default avatarLen Brown <len.brown@intel.com>
parent cb8f51bd

drivers/acpi/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -7,7 +7,6 @@ menuconfig ACPI 
	depends on !IA64_HP_SIM

	depends on IA64 || X86

	depends on PCI

	depends on PM

	select PNP

	default y

	help

drivers/acpi/bus.c

+4 −3
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#include <acpi/acpi_bus.h>

#include <acpi/acpi_drivers.h>

#include <linux/dmi.h>

#include <linux/suspend.h>



#include "internal.h"
@@ -1025,13 +1026,13 @@ static int __init acpi_init(void) 


	if (!result) {

		pci_mmcfg_late_init();

		if (!(pm_flags & PM_APM))

			pm_flags |= PM_ACPI;

		else {

		if (pm_apm_enabled()) {

			printk(KERN_INFO PREFIX

			       "APM is already active, exiting\n");

			disable_acpi();

			result = -ENODEV;

		} else {

			pm_set_acpi_flag();

		}

	} else

		disable_acpi();

include/linux/suspend.h

+6 −0
Original line number Diff line number Diff line
@@ -272,6 +272,9 @@ extern int unregister_pm_notifier(struct notifier_block *nb); 
	register_pm_notifier(&fn##_nb);			\

}



extern bool pm_apm_enabled(void);

extern void pm_set_acpi_flag(void);



/* drivers/base/power/wakeup.c */

extern bool events_check_enabled;
@@ -292,6 +295,9 @@ static inline int unregister_pm_notifier(struct notifier_block *nb) 


#define pm_notifier(fn, pri)	do { (void)(fn); } while (0)



static inline bool pm_apm_enabled(void) { return false; }

static inline void pm_set_acpi_flag(void) {}



static inline bool pm_wakeup_pending(void) { return false; }

#endif /* !CONFIG_PM_SLEEP */

kernel/power/main.c

+11 −1
Original line number Diff line number Diff line
@@ -17,10 +17,20 @@ 


DEFINE_MUTEX(pm_mutex);



#ifdef CONFIG_PM_SLEEP



unsigned int pm_flags;

EXPORT_SYMBOL(pm_flags);



#ifdef CONFIG_PM_SLEEP

bool pm_apm_enabled(void)

{

	return !!(pm_flags & PM_APM);

}



void pm_set_acpi_flag(void)

{

	pm_flags |= PM_ACPI;

}



/* Routines for PM-transition notifications */