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Fix ThinkPad T42 poweroff failure introduced by by "PM: Introduce pm_power_off_prepare"

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Commit bd804eba1c ("PM: Introduce
pm_power_off_prepare") caused problems in the poweroff path, as reported by
YOSHIFUJI Hideaki / 吉藤英明.

Generally, sysdev_shutdown() should be called after the ACPI preparation for
powering the system off.  To make it happen, we can separate sysdev_shutdown()
from device_shutdown() and call it directly wherever necessary.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rafael J. Wysocki
2007-07-26 16:29:55 +02:00
committed by Linus Torvalds
parent 602033ed59
commit 58b3b71dfa
4 changed files with 7 additions and 2 deletions
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1
kernel/power/disk.c
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@@ -216,6 +216,7 @@ int hibernation_platform_enter(void)
* sleep state after all
*/
error = hibernation_ops->prepare();
sysdev_shutdown();
if (!error)
error = hibernation_ops->enter();
} else {