1 files changed, 0 insertions, 169 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c
deleted file mode 100644
index 50501764d05..00000000000
--- a/drivers/base/power/suspend.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * suspend.c - Functions for putting devices to sleep.
- *
- * Copyright (c) 2003 Patrick Mochel
- * Copyright (c) 2003 Open Source Development Labs
- *
- * This file is released under the GPLv2
- *
- */
-
-#include <linux/device.h>
-#include "power.h"
-
-extern int sysdev_suspend(pm_message_t state);
-
-/*
- * The entries in the dpm_active list are in a depth first order, simply
- * because children are guaranteed to be discovered after parents, and
- * are inserted at the back of the list on discovery.
- *
- * All list on the suspend path are done in reverse order, so we operate
- * on the leaves of the device tree (or forests, depending on how you want
- * to look at it ;) first. As nodes are removed from the back of the list,
- * they are inserted into the front of their destintation lists.
- *
- * Things are the reverse on the resume path - iterations are done in
- * forward order, and nodes are inserted at the back of their destination
- * lists. This way, the ancestors will be accessed before their descendents.
- */
-
-
-/**
- *	suspend_device - Save state of one device.
- *	@dev:	Device.
- *	@state:	Power state device is entering.
- */
-
-int suspend_device(struct device * dev, pm_message_t state)
-{
-	int error = 0;
-
-	down(&dev->sem);
-	if (dev->power.power_state.event) {
-		dev_dbg(dev, "PM: suspend %d-->%d\n",
-			dev->power.power_state.event, state.event);
-	}
-	if (dev->power.pm_parent
-			&& dev->power.pm_parent->power.power_state.event) {
-		dev_err(dev,
-			"PM: suspend %d->%d, parent %s already %d\n",
-			dev->power.power_state.event, state.event,
-			dev->power.pm_parent->bus_id,
-			dev->power.pm_parent->power.power_state.event);
-	}
-
-	dev->power.prev_state = dev->power.power_state;
-
-	if (dev->bus && dev->bus->suspend && !dev->power.power_state.event) {
-		dev_dbg(dev, "suspending\n");
-		error = dev->bus->suspend(dev, state);
-	}
-	up(&dev->sem);
-	return error;
-}
-
-
-/**
- *	device_suspend - Save state and stop all devices in system.
- *	@state:		Power state to put each device in.
- *
- *	Walk the dpm_active list, call ->suspend() for each device, and move
- *	it to dpm_off.
- *	Check the return value for each. If it returns 0, then we move the
- *	the device to the dpm_off list. If it returns -EAGAIN, we move it to
- *	the dpm_off_irq list. If we get a different error, try and back out.
- *
- *	If we hit a failure with any of the devices, call device_resume()
- *	above to bring the suspended devices back to life.
- *
- */
-
-int device_suspend(pm_message_t state)
-{
-	int error = 0;
-
-	down(&dpm_sem);
-	down(&dpm_list_sem);
-	while (!list_empty(&dpm_active) && error == 0) {
-		struct list_head * entry = dpm_active.prev;
-		struct device * dev = to_device(entry);
-
-		get_device(dev);
-		up(&dpm_list_sem);
-
-		error = suspend_device(dev, state);
-
-		down(&dpm_list_sem);
-
-		/* Check if the device got removed */
-		if (!list_empty(&dev->power.entry)) {
-			/* Move it to the dpm_off or dpm_off_irq list */
-			if (!error) {
-				list_del(&dev->power.entry);
-				list_add(&dev->power.entry, &dpm_off);
-			} else if (error == -EAGAIN) {
-				list_del(&dev->power.entry);
-				list_add(&dev->power.entry, &dpm_off_irq);
-				error = 0;
-			}
-		}
-		if (error)
-			printk(KERN_ERR "Could not suspend device %s: "
-				"error %d\n", kobject_name(&dev->kobj), error);
-		put_device(dev);
-	}
-	up(&dpm_list_sem);
-	if (error) {
-		/* we failed... before resuming, bring back devices from
-		 * dpm_off_irq list back to main dpm_off list, we do want
-		 * to call resume() on them, in case they partially suspended
-		 * despite returning -EAGAIN
-		 */
-		while (!list_empty(&dpm_off_irq)) {
-			struct list_head * entry = dpm_off_irq.next;
-			list_del(entry);
-			list_add(entry, &dpm_off);
-		}
-		dpm_resume();
-	}
-	up(&dpm_sem);
-	return error;
-}
-
-EXPORT_SYMBOL_GPL(device_suspend);
-
-
-/**
- *	device_power_down - Shut down special devices.
- *	@state:		Power state to enter.
- *
- *	Walk the dpm_off_irq list, calling ->power_down() for each device that
- *	couldn't power down the device with interrupts enabled. When we're
- *	done, power down system devices.
- */
-
-int device_power_down(pm_message_t state)
-{
-	int error = 0;
-	struct device * dev;
-
-	list_for_each_entry_reverse(dev, &dpm_off_irq, power.entry) {
-		if ((error = suspend_device(dev, state)))
-			break;
-	}
-	if (error)
-		goto Error;
-	if ((error = sysdev_suspend(state)))
-		goto Error;
- Done:
-	return error;
- Error:
-	printk(KERN_ERR "Could not power down device %s: "
-		"error %d\n", kobject_name(&dev->kobj), error);
-	dpm_power_up();
-	goto Done;
-}
-
-EXPORT_SYMBOL_GPL(device_power_down);
-