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authorAlexey Starikovskiy <alexey.y.starikovskiy@intel.com>2005-12-01 04:29:00 -0500
committerLen Brown <len.brown@intel.com>2005-12-15 13:28:14 -0500
commit729b4d4ce1982c52040bbf22d6711cdf8db07ad8 (patch)
tree1ae8b12dcbcd17c364f2df28db8ab3db9c8b89a2 /kernel
parent7116317dc9148d783846299fc80a7d377baa6dca (diff)
downloadop-kernel-dev-729b4d4ce1982c52040bbf22d6711cdf8db07ad8.zip
op-kernel-dev-729b4d4ce1982c52040bbf22d6711cdf8db07ad8.tar.gz
[ACPI] fix reboot upon suspend-to-disk
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/disk.c9
-rw-r--r--kernel/sys.c25
2 files changed, 11 insertions, 23 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 027322a..f2cd279 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -52,7 +52,7 @@ static void power_down(suspend_disk_method_t mode)
switch(mode) {
case PM_DISK_PLATFORM:
- kernel_power_off_prepare();
+ kernel_shutdown_prepare(SYSTEM_SUSPEND_DISK);
error = pm_ops->enter(PM_SUSPEND_DISK);
break;
case PM_DISK_SHUTDOWN:
@@ -119,13 +119,6 @@ static int prepare_processes(void)
goto thaw;
}
- if (pm_disk_mode == PM_DISK_PLATFORM) {
- if (pm_ops && pm_ops->prepare) {
- if ((error = pm_ops->prepare(PM_SUSPEND_DISK)))
- goto thaw;
- }
- }
-
/* Free memory before shutting down devices. */
free_some_memory();
return 0;
diff --git a/kernel/sys.c b/kernel/sys.c
index eecf845..c3b1874 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -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
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