[PATCH v2 47/47] kernel: Remove pm_power_off

From: Guenter Roeck
Date: Tue Oct 21 2014 - 00:15:22 EST


No users of pm_power_off are left, so it is safe to remove the function.

Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: Len Brown <len.brown@xxxxxxxxx>
Acked-by: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
v2: poweroff -> power_off

include/linux/pm.h | 1 -
kernel/power/poweroff_handler.c | 10 +---------
2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 7e0cb36..316271d 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -31,7 +31,6 @@
/*
* Callbacks for platform drivers to implement.
*/
-extern void (*pm_power_off)(void);
extern void (*pm_power_off_prepare)(void);

/*
diff --git a/kernel/power/poweroff_handler.c b/kernel/power/poweroff_handler.c
index 37f0b88..d2d164e 100644
--- a/kernel/power/poweroff_handler.c
+++ b/kernel/power/poweroff_handler.c
@@ -22,12 +22,6 @@
#include <linux/types.h>

/*
- * If set, calling this function will power off the system immediately.
- */
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
-
-/*
* Notifier list for kernel code which wants to be called
* to power off the system.
*/
@@ -242,8 +236,6 @@ EXPORT_SYMBOL(devm_register_power_off_handler);
void do_kernel_power_off(void)
{
spin_lock(&power_off_handler_lock);
- if (pm_power_off)
- pm_power_off();
raw_notifier_call_chain(&power_off_handler_list, 0, NULL);
spin_unlock(&power_off_handler_lock);
}
@@ -255,6 +247,6 @@ void do_kernel_power_off(void)
*/
bool have_kernel_power_off(void)
{
- return pm_power_off != NULL || power_off_handler_list.head != NULL;
+ return power_off_handler_list.head != NULL;
}
EXPORT_SYMBOL(have_kernel_power_off);
--
1.9.1

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