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-rw-r--r--arch/x86/kernel/apm_32.c10
-rw-r--r--drivers/acpi/bus.c7
-rw-r--r--include/linux/pm.h9
-rw-r--r--include/linux/pm_legacy.h6
-rw-r--r--kernel/power/main.c3
-rw-r--r--kernel/power/pm.c4
6 files changed, 17 insertions, 22 deletions
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 17089a041028..af045ca0f653 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -2256,14 +2256,12 @@ static int __init apm_init(void)
2256 apm_info.disabled = 1; 2256 apm_info.disabled = 1;
2257 return -ENODEV; 2257 return -ENODEV;
2258 } 2258 }
2259 if (PM_IS_ACTIVE()) { 2259 if (pm_flags & PM_ACPI) {
2260 printk(KERN_NOTICE "apm: overridden by ACPI.\n"); 2260 printk(KERN_NOTICE "apm: overridden by ACPI.\n");
2261 apm_info.disabled = 1; 2261 apm_info.disabled = 1;
2262 return -ENODEV; 2262 return -ENODEV;
2263 } 2263 }
2264#ifdef CONFIG_PM_LEGACY 2264 pm_flags |= PM_APM;
2265 pm_active = 1;
2266#endif
2267 2265
2268 /* 2266 /*
2269 * Set up a segment that references the real mode segment 0x40 2267 * Set up a segment that references the real mode segment 0x40
@@ -2366,9 +2364,7 @@ static void __exit apm_exit(void)
2366 kthread_stop(kapmd_task); 2364 kthread_stop(kapmd_task);
2367 kapmd_task = NULL; 2365 kapmd_task = NULL;
2368 } 2366 }
2369#ifdef CONFIG_PM_LEGACY 2367 pm_flags &= ~PM_APM;
2370 pm_active = 0;
2371#endif
2372} 2368}
2373 2369
2374module_init(apm_init); 2370module_init(apm_init);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 49d432d0a12c..d7a115c362d1 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -29,7 +29,6 @@
29#include <linux/list.h> 29#include <linux/list.h>
30#include <linux/sched.h> 30#include <linux/sched.h>
31#include <linux/pm.h> 31#include <linux/pm.h>
32#include <linux/pm_legacy.h>
33#include <linux/device.h> 32#include <linux/device.h>
34#include <linux/proc_fs.h> 33#include <linux/proc_fs.h>
35#ifdef CONFIG_X86 34#ifdef CONFIG_X86
@@ -764,16 +763,14 @@ static int __init acpi_init(void)
764 result = acpi_bus_init(); 763 result = acpi_bus_init();
765 764
766 if (!result) { 765 if (!result) {
767#ifdef CONFIG_PM_LEGACY 766 if (!(pm_flags & PM_APM))
768 if (!PM_IS_ACTIVE()) 767 pm_flags |= PM_ACPI;
769 pm_active = 1;
770 else { 768 else {
771 printk(KERN_INFO PREFIX 769 printk(KERN_INFO PREFIX
772 "APM is already active, exiting\n"); 770 "APM is already active, exiting\n");
773 disable_acpi(); 771 disable_acpi();
774 result = -ENODEV; 772 result = -ENODEV;
775 } 773 }
776#endif
777 } else 774 } else
778 disable_acpi(); 775 disable_acpi();
779 776
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 09a309b7b5d2..b78e0295adf4 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -246,6 +246,15 @@ static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
246 device_set_wakeup_enable(dev,val); \ 246 device_set_wakeup_enable(dev,val); \
247 } while(0) 247 } while(0)
248 248
249/*
250 * Global Power Management flags
251 * Used to keep APM and ACPI from both being active
252 */
253extern unsigned int pm_flags;
254
255#define PM_APM 1
256#define PM_ACPI 2
257
249#endif /* __KERNEL__ */ 258#endif /* __KERNEL__ */
250 259
251#endif /* _LINUX_PM_H */ 260#endif /* _LINUX_PM_H */
diff --git a/include/linux/pm_legacy.h b/include/linux/pm_legacy.h
index 514729a44688..446f4f42b952 100644
--- a/include/linux/pm_legacy.h
+++ b/include/linux/pm_legacy.h
@@ -4,10 +4,6 @@
4 4
5#ifdef CONFIG_PM_LEGACY 5#ifdef CONFIG_PM_LEGACY
6 6
7extern int pm_active;
8
9#define PM_IS_ACTIVE() (pm_active != 0)
10
11/* 7/*
12 * Register a device with power management 8 * Register a device with power management
13 */ 9 */
@@ -21,8 +17,6 @@ int __deprecated pm_send_all(pm_request_t rqst, void *data);
21 17
22#else /* CONFIG_PM_LEGACY */ 18#else /* CONFIG_PM_LEGACY */
23 19
24#define PM_IS_ACTIVE() 0
25
26static inline struct pm_dev *pm_register(pm_dev_t type, 20static inline struct pm_dev *pm_register(pm_dev_t type,
27 unsigned long id, 21 unsigned long id,
28 pm_callback callback) 22 pm_callback callback)
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 3cdf95b1dc92..f71c9504a5c5 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -28,6 +28,9 @@ BLOCKING_NOTIFIER_HEAD(pm_chain_head);
28 28
29DEFINE_MUTEX(pm_mutex); 29DEFINE_MUTEX(pm_mutex);
30 30
31unsigned int pm_flags;
32EXPORT_SYMBOL(pm_flags);
33
31#ifdef CONFIG_SUSPEND 34#ifdef CONFIG_SUSPEND
32 35
33/* This is just an arbitrary number */ 36/* This is just an arbitrary number */
diff --git a/kernel/power/pm.c b/kernel/power/pm.c
index c50d15266c10..60c73fa670d5 100644
--- a/kernel/power/pm.c
+++ b/kernel/power/pm.c
@@ -27,8 +27,6 @@
27#include <linux/interrupt.h> 27#include <linux/interrupt.h>
28#include <linux/mutex.h> 28#include <linux/mutex.h>
29 29
30int pm_active;
31
32/* 30/*
33 * Locking notes: 31 * Locking notes:
34 * pm_devs_lock can be a semaphore providing pm ops are not called 32 * pm_devs_lock can be a semaphore providing pm ops are not called
@@ -204,6 +202,4 @@ int pm_send_all(pm_request_t rqst, void *data)
204 202
205EXPORT_SYMBOL(pm_register); 203EXPORT_SYMBOL(pm_register);
206EXPORT_SYMBOL(pm_send_all); 204EXPORT_SYMBOL(pm_send_all);
207EXPORT_SYMBOL(pm_active);
208
209 205