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kernel/reboot: Add SYS_OFF_MODE_RESTART_PREPARE mode

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Add SYS_OFF_MODE_RESTART_PREPARE callbacks to be invoked before
a system restart.

Suggested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Kai-Heng Feng 2022-09-29 15:05:23 +08:00 • committed by Rafael J. Wysocki
parent f76349cf41
commit e7fd8b6840
2 changed files with 25 additions and 0 deletions
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8
include/linux/reboot.h
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@ -105,6 +105,14 @@ enum sys_off_mode {
*/
SYS_OFF_MODE_POWER_OFF,
/**
* @SYS_OFF_MODE_RESTART_PREPARE:
*
* Handlers prepare system to be restarted. Handlers are
* allowed to sleep.
*/
SYS_OFF_MODE_RESTART_PREPARE,
/**
* @SYS_OFF_MODE_RESTART:
*