[ARM] Remove obsolete sysctl PM interface.

The old sysctl PM interface has been replaced by the driver models
interface.  This has been gone for a while in the -rmk tree and no
one complained, so there's no point keeping it around.

arch/arm/kernel/Makefile

@@ -11,7 +11,6 @@ obj-y		:= arch.o compat.o dma.o entry-armv.o entry-common.o irq.o   \
 		   time.o traps.o
 
 obj-$(CONFIG_APM)		+= apm.o
-obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_ARCH_ACORN)	+= ecard.o time-acorn.o
 obj-$(CONFIG_ARCH_CLPS7500)	+= time-acorn.o
 obj-$(CONFIG_FOOTBRIDGE)	+= isa.o

arch/arm/kernel/pm.c

-/*
- *  linux/arch/arm/kernel/suspend.c
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License.
- *
- *  This is the common support code for suspending an ARM machine.
- *  pm_do_suspend() is responsible for actually putting the CPU to
- *  sleep.
- */
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/sysctl.h>
-#include <linux/pm.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-
-#ifdef CONFIG_SYSCTL
-/*
- * We really want this to die.  It's a disgusting hack using unallocated
- * sysctl numbers.  We should be using a real interface.
- */
-
-static int
-pm_sysctl_proc_handler(ctl_table *ctl, int write, struct file *filp,
-		       void *buffer, size_t *lenp)
-{
-	int ret = -EIO;
-	printk("PM: task %s (pid %d) uses deprecated sysctl PM interface\n",
-		current->comm, current->pid);
-	if (write)
-		ret = pm_suspend(PM_SUSPEND_MEM);
-	return ret;
-}
-
-/*
- * This came from arch/arm/mach-sa1100/pm.c:
- * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com>
- *  with modifications by Nicolas Pitre and Russell King.
- *
- * ARGH!  ACPI people defined CTL_ACPI in linux/acpi.h rather than
- * linux/sysctl.h.
- *
- * This means our interface here won't survive long - it needs a new
- * interface.  Quick hack to get this working - use sysctl id 9999.
- */
-#warning ACPI broke the kernel, this interface needs to be fixed up.
-#define CTL_ACPI 9999
-#define ACPI_S1_SLP_TYP 19
-
-static struct ctl_table pm_table[] =
-{
-	{
-		.ctl_name	= ACPI_S1_SLP_TYP,
-		.procname	= "suspend",
-		.mode		= 0200,
-		.proc_handler	= pm_sysctl_proc_handler,
-	},
-	{0}
-};
-
-static struct ctl_table pm_dir_table[] =
-{
-	{
-		.ctl_name	= CTL_ACPI,
-		.procname	= "pm",
-		.mode		= 0555,
-		.child		= pm_table,
-	},
-	{0}
-};
-
-/*
- * Initialize power interface
- */
-static int __init pm_init(void)
-{
-	register_sysctl_table(pm_dir_table, 1);
-	return 0;
-}
-
-fs_initcall(pm_init);
-
-#endif