PM / Hibernate: Remove arch_prepare_suspend()

All architectures supporting hibernation define
arch_prepare_suspend() as an empty function, so remove it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 0 insertions, 5 deletions

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 6418d8c8cdb2..16aa3bcd6b54 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -25,7 +25,6 @@
 #include <linux/gfp.h>
 #include <linux/syscore_ops.h>
 #include <scsi/scsi_scan.h>
-#include <asm/suspend.h>
 
 #include "power.h"
 
@@ -244,10 +243,6 @@ static int create_image(int platform_mode)
 {
         int error;
 
-        error = arch_prepare_suspend();
-        if (error)
-                return error;
-
         error = dpm_suspend_noirq(PMSG_FREEZE);
         if (error) {
                 printk(KERN_ERR "PM: Some devices failed to power down, "