[RFC PATCH 2/2] kernel: power: Drop pm_poweroff_prepare

From: Guenter Roeck
Date: Sat Oct 11 2014 - 17:14:39 EST


The only user of pm_poweroff_prepare was acpi, which has been converted to use
a syscore callback. Drop pm_poweroff_prepare as it is no longer necessary.

Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
Cc: Len Brown <len.brown@xxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
include/linux/pm.h | 1 -
kernel/reboot.c | 8 --------
2 files changed, 9 deletions(-)

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 383fd68..333506e 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -32,7 +32,6 @@
* Callbacks for platform drivers to implement.
*/
extern void (*pm_power_off)(void);
-extern void (*pm_power_off_prepare)(void);

struct device; /* we have a circular dep with device.h */
#ifdef CONFIG_VT_CONSOLE_SLEEP
diff --git a/kernel/reboot.c b/kernel/reboot.c
index 5925f5a..5ad4f0b 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -44,12 +44,6 @@ int reboot_cpu;
enum reboot_type reboot_type = BOOT_ACPI;
int reboot_force;

-/*
- * If set, this is used for preparing the system to power off.
- */
-
-void (*pm_power_off_prepare)(void);
-
/**
* emergency_restart - reboot the system
*
@@ -257,8 +251,6 @@ EXPORT_SYMBOL_GPL(kernel_halt);
void kernel_power_off(void)
{
kernel_shutdown_prepare(SYSTEM_POWER_OFF);
- if (pm_power_off_prepare)
- pm_power_off_prepare();
migrate_to_reboot_cpu();
syscore_shutdown();
pr_emerg("Power down\n");
--
1.9.1

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