linux-kernel - [PATCH 44/44] kernel: Remove pm_power

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Date:	Mon,  6 Oct 2014 22:28:46 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	linux-kernel@...r.kernel.org
Cc:	adi-buildroot-devel@...ts.sourceforge.net,
	devel@...verdev.osuosl.org, devicetree@...r.kernel.org,
	lguest@...ts.ozlabs.org, linux-acpi@...r.kernel.org,
	linux-alpha@...r.kernel.org, linux-am33-list@...hat.com,
	linux-cris-kernel@...s.com, linux-efi@...r.kernel.org,
	linux-hexagon@...r.kernel.org, linux-m32r-ja@...linux-m32r.org,
	linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
	linux-tegra@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
	openipmi-developer@...ts.sourceforge.net,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-arm-kernel@...ts.infradead.org, linux-c6x-dev@...ux-c6x.org,
	linux-ia64@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
	linux-metag@...r.kernel.org, linux-mips@...ux-mips.org,
	linux-parisc@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-sh@...r.kernel.org, xen-devel@...ts.xenproject.org,
	Guenter Roeck <linux@...ck-us.net>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>
Subject: [PATCH 44/44] kernel: Remove pm_power_off

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

Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Pavel Machek <pavel@....cz>
Cc: Len Brown <len.brown@...el.com>
Signed-off-by: Guenter Roeck <linux@...ck-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

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