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authorRafael J. Wysocki <rjw@sisk.pl>2008-01-11 01:25:21 +0100
committerLen Brown <len.brown@intel.com>2008-02-01 18:30:59 -0500
commit5a0a2f304612bd63948177fef05987f4bcaddcaf (patch)
tree17a72bcefbb7806ed5e3627230d6d04fd5f06600
parentaf258f516b3e4e214121f5d6d53cab32ce0d8010 (diff)
downloadop-kernel-dev-5a0a2f304612bd63948177fef05987f4bcaddcaf.zip
op-kernel-dev-5a0a2f304612bd63948177fef05987f4bcaddcaf.tar.gz
Hibernation: Invoke suspend notifications after console switch
Following the recent change in the suspend code path, switch consoles before calling PM notifiers during hibernation. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r--kernel/power/disk.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 53c22d9..d09da08 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -458,20 +458,13 @@ static void power_down(void)
while(1);
}
-static void unprepare_processes(void)
-{
- thaw_processes();
- pm_restore_console();
-}
-
static int prepare_processes(void)
{
int error = 0;
- pm_prepare_console();
if (freeze_processes()) {
error = -EBUSY;
- unprepare_processes();
+ thaw_processes();
}
return error;
}
@@ -491,6 +484,7 @@ int hibernate(void)
goto Unlock;
}
+ pm_prepare_console();
error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
if (error)
goto Exit;
@@ -530,11 +524,12 @@ int hibernate(void)
swsusp_free();
}
Thaw:
- unprepare_processes();
+ thaw_processes();
Finish:
free_basic_memory_bitmaps();
Exit:
pm_notifier_call_chain(PM_POST_HIBERNATION);
+ pm_restore_console();
atomic_inc(&snapshot_device_available);
Unlock:
mutex_unlock(&pm_mutex);
@@ -603,6 +598,7 @@ static int software_resume(void)
goto Unlock;
}
+ pm_prepare_console();
error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
if (error)
goto Finish;
@@ -626,11 +622,12 @@ static int software_resume(void)
printk(KERN_ERR "PM: Restore failed, recovering.\n");
swsusp_free();
- unprepare_processes();
+ thaw_processes();
Done:
free_basic_memory_bitmaps();
Finish:
pm_notifier_call_chain(PM_POST_RESTORE);
+ pm_restore_console();
atomic_inc(&snapshot_device_available);
/* For success case, the suspend path will release the lock */
Unlock:
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