[PATCH] power/disk.c: small fixups

power_down may never ever fail, so it does not really need to return
anything.  Kill obsolete code and fixup old comments.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/power/disk.c

@@ -3,6 +3,7 @@
  *
  * Copyright (c) 2003 Patrick Mochel
  * Copyright (c) 2003 Open Source Development Lab
+ * Copyright (c) 2004 Pavel Machek <pavel@suse.cz>
  *
  * This file is released under the GPLv2.
  *
@@ -41,7 +42,7 @@ char resume_file[256] = CONFIG_PM_STD_PARTITION;
  *	there ain't no turning back.
  */
 
-static int power_down(u32 mode)
+static void power_down(u32 mode)
 {
 	unsigned long flags;
 	int error = 0;
@@ -67,7 +68,6 @@ static int power_down(u32 mode)
 	   after resume. */
 	printk(KERN_CRIT "Please power me down manually\n");
 	while(1);
-	return 0;
 }
 
 
@@ -162,7 +162,7 @@ static int prepare(void)
  *
  *	If we're going through the firmware, then get it over with quickly.
  *
- *	If not, then call pmdis to do it's thing, then figure out how
+ *	If not, then call swsusp to do it's thing, then figure out how
  *	to power down the system.
  */
 
@@ -184,18 +184,9 @@ int pm_suspend_disk(void)
 
 	if (in_suspend) {
 		pr_debug("PM: writing image.\n");
-
-		/*
-		 * FIXME: Leftover from swsusp. Are they necessary?
-		 */
-		mb();
-		barrier();
-
 		error = swsusp_write();
-		if (!error) {
-			error = power_down(pm_disk_mode);
-			pr_debug("PM: Power down failed.\n");
-		}
+		if (!error)
+			power_down(pm_disk_mode);
 	} else
 		pr_debug("PM: Image restored successfully.\n");
 	swsusp_free();