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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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3
include/linux/device.h
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@ -551,6 +551,9 @@ extern void put_device(struct device * dev);
/* drivers/base/power/shutdown.c */
extern void device_shutdown(void);
/* drivers/base/sys.c */
extern void sysdev_shutdown(void);
/* drivers/base/firmware.c */
extern int __must_check firmware_register(struct kset *);