[PATCH 44/44] kernel: Remove pm_power_off

Guenter Roeck
2014-10-07T05:28:46Z

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

Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
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 45271b5..fce7645 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 96f59ef..01a3a39 100644
--- a/kernel/power/poweroff_handler.c
+++ b/kernel/power/poweroff_handler.c
@@ -20,12 +20,6 @@
#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.
*/
@@ -163,8 +157,6 @@ int register_poweroff_handler_simple(void (*handler)(void), int priority)
*/
void do_kernel_poweroff(void)
{
- if (pm_power_off)
- pm_power_off();
atomic_notifier_call_chain(&poweroff_handler_list, 0, NULL);
}

@@ -175,6 +167,6 @@ void do_kernel_poweroff(void)
*/
bool have_kernel_poweroff(void)
{
- return pm_power_off != NULL || poweroff_handler_list.head != NULL;
+ return poweroff_handler_list.head != NULL;
}
EXPORT_SYMBOL(have_kernel_poweroff);
--
1.9.1