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Commit 02d5bccf authored by Len Brown's avatar Len Brown
Browse files

Pull bugzilla-9194 into release branch

parents eba6860a 9f9adecd
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+3 −7
Original line number Diff line number Diff line
@@ -2256,14 +2256,12 @@ static int __init apm_init(void)
		apm_info.disabled = 1;
		return -ENODEV;
	}
	if (PM_IS_ACTIVE()) {
	if (pm_flags & PM_ACPI) {
		printk(KERN_NOTICE "apm: overridden by ACPI.\n");
		apm_info.disabled = 1;
		return -ENODEV;
	}
#ifdef CONFIG_PM_LEGACY
	pm_active = 1;
#endif
	pm_flags |= PM_APM;

	/*
	 * Set up a segment that references the real mode segment 0x40
@@ -2366,9 +2364,7 @@ static void __exit apm_exit(void)
		kthread_stop(kapmd_task);
		kapmd_task = NULL;
	}
#ifdef CONFIG_PM_LEGACY
	pm_active = 0;
#endif
	pm_flags &= ~PM_APM;
}

module_init(apm_init);
+2 −5
Original line number Diff line number Diff line
@@ -29,7 +29,6 @@
#include <linux/list.h>
#include <linux/sched.h>
#include <linux/pm.h>
#include <linux/pm_legacy.h>
#include <linux/device.h>
#include <linux/proc_fs.h>
#ifdef CONFIG_X86
@@ -764,16 +763,14 @@ static int __init acpi_init(void)
	result = acpi_bus_init();

	if (!result) {
#ifdef CONFIG_PM_LEGACY
		if (!PM_IS_ACTIVE())
			pm_active = 1;
		if (!(pm_flags & PM_APM))
			pm_flags |= PM_ACPI;
		else {
			printk(KERN_INFO PREFIX
			       "APM is already active, exiting\n");
			disable_acpi();
			result = -ENODEV;
		}
#endif
	} else
		disable_acpi();

+9 −0
Original line number Diff line number Diff line
@@ -246,6 +246,15 @@ static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
		device_set_wakeup_enable(dev,val); \
	} while(0)

/*
 * Global Power Management flags
 * Used to keep APM and ACPI from both being active
 */
extern unsigned int	pm_flags;

#define PM_APM	1
#define PM_ACPI	2

#endif /* __KERNEL__ */

#endif /* _LINUX_PM_H */
+0 −6
Original line number Diff line number Diff line
@@ -4,10 +4,6 @@

#ifdef CONFIG_PM_LEGACY

extern int pm_active;

#define PM_IS_ACTIVE() (pm_active != 0)

/*
 * Register a device with power management
 */
@@ -21,8 +17,6 @@ int __deprecated pm_send_all(pm_request_t rqst, void *data);

#else /* CONFIG_PM_LEGACY */

#define PM_IS_ACTIVE() 0

static inline struct pm_dev *pm_register(pm_dev_t type,
					 unsigned long id,
					 pm_callback callback)
+3 −0
Original line number Diff line number Diff line
@@ -28,6 +28,9 @@ BLOCKING_NOTIFIER_HEAD(pm_chain_head);

DEFINE_MUTEX(pm_mutex);

unsigned int pm_flags;
EXPORT_SYMBOL(pm_flags);

#ifdef CONFIG_SUSPEND

/* This is just an arbitrary number */
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