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path: root/drivers/char/apm-emulation.c
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Diffstat (limited to 'drivers/char/apm-emulation.c')
-rw-r--r--drivers/char/apm-emulation.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index f4837a893df..dd9dfa15e9d 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -31,7 +31,6 @@
#include <linux/kthread.h>
#include <linux/delay.h>
-#include <asm/system.h>
/*
* The apm_bios device is one of the misc char devices.
@@ -302,7 +301,7 @@ apm_ioctl(struct file *filp, u_int cmd, u_long arg)
* anything critical, chill a bit on each iteration.
*/
while (wait_event_freezable(apm_suspend_waitqueue,
- as->suspend_state == SUSPEND_DONE))
+ as->suspend_state != SUSPEND_ACKED))
msleep(10);
break;
case SUSPEND_ACKTO:
@@ -532,6 +531,7 @@ static int apm_suspend_notifier(struct notifier_block *nb,
{
struct apm_user *as;
int err;
+ unsigned long apm_event;
/* short-cut emergency suspends */
if (atomic_read(&userspace_notification_inhibit))
@@ -539,6 +539,9 @@ static int apm_suspend_notifier(struct notifier_block *nb,
switch (event) {
case PM_SUSPEND_PREPARE:
+ case PM_HIBERNATION_PREPARE:
+ apm_event = (event == PM_SUSPEND_PREPARE) ?
+ APM_USER_SUSPEND : APM_USER_HIBERNATION;
/*
* Queue an event to all "writer" users that we want
* to suspend and need their ack.
@@ -551,7 +554,7 @@ static int apm_suspend_notifier(struct notifier_block *nb,
as->writer && as->suser) {
as->suspend_state = SUSPEND_PENDING;
atomic_inc(&suspend_acks_pending);
- queue_add_event(&as->queue, APM_USER_SUSPEND);
+ queue_add_event(&as->queue, apm_event);
}
}
@@ -602,11 +605,14 @@ static int apm_suspend_notifier(struct notifier_block *nb,
return notifier_from_errno(err);
case PM_POST_SUSPEND:
+ case PM_POST_HIBERNATION:
+ apm_event = (event == PM_POST_SUSPEND) ?
+ APM_NORMAL_RESUME : APM_HIBERNATION_RESUME;
/*
* Anyone on the APM queues will think we're still suspended.
* Send a message so everyone knows we're now awake again.
*/
- queue_event(APM_NORMAL_RESUME);
+ queue_event(apm_event);
/*
* Finally, wake up anyone who is sleeping on the suspend.