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[ACPI] fix reboot upon suspend-to-disk

Browse source 
http://bugzilla.kernel.org/show_bug.cgi?id=4320

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy 2005-12-01 04:29:00 -05:00 • committed by Len Brown
parent 7116317dc9
commit 729b4d4ce1
7 changed files with 26 additions and 35 deletions
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25
kernel/sys.c
View file

@ -427,23 +427,25 @@ void kernel_kexec(void)
}
EXPORT_SYMBOL_GPL(kernel_kexec);
void kernel_shutdown_prepare(enum system_states state)
{
notifier_call_chain(&reboot_notifier_list,
(state == SYSTEM_HALT)?SYS_HALT:SYS_POWER_OFF, NULL);
system_state = state;
device_shutdown();
}
/**
* kernel_halt - halt the system
*
* Shutdown everything and perform a clean system halt.
*/
void kernel_halt_prepare(void)
{
notifier_call_chain(&reboot_notifier_list, SYS_HALT, NULL);
system_state = SYSTEM_HALT;
device_shutdown();
}
void kernel_halt(void)
{
kernel_halt_prepare();
kernel_shutdown_prepare(SYSTEM_HALT);
printk(KERN_EMERG "System halted.\n");
machine_halt();
}
EXPORT_SYMBOL_GPL(kernel_halt);
/**
@ -451,20 +453,13 @@ EXPORT_SYMBOL_GPL(kernel_halt);
*
* Shutdown everything and perform a clean system power_off.
*/
void kernel_power_off_prepare(void)
{
notifier_call_chain(&reboot_notifier_list, SYS_POWER_OFF, NULL);
system_state = SYSTEM_POWER_OFF;
device_shutdown();
}
void kernel_power_off(void)
{
kernel_power_off_prepare();
kernel_shutdown_prepare(SYSTEM_POWER_OFF);
printk(KERN_EMERG "Power down.\n");
machine_power_off();
}
EXPORT_SYMBOL_GPL(kernel_power_off);
/*
* Reboot system call: for obvious reasons only root may call it,
* and even root needs to set up some magic numbers in the registers