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Diffstat (limited to 'drivers/base/power/resume.c')
-rw-r--r--drivers/base/power/resume.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c
deleted file mode 100644
index 0a7aa07b9a2..00000000000
--- a/drivers/base/power/resume.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * resume.c - Functions for waking devices up.
- *
- * 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_resume(void);
-
-
-/**
- * resume_device - Restore state for one device.
- * @dev: Device.
- *
- */
-
-int resume_device(struct device * dev)
-{
- int error = 0;
-
- down(&dev->sem);
- if (dev->power.pm_parent
- && dev->power.pm_parent->power.power_state.event) {
- dev_err(dev, "PM: resume from %d, parent %s still %d\n",
- dev->power.power_state.event,
- dev->power.pm_parent->bus_id,
- dev->power.pm_parent->power.power_state.event);
- }
- if (dev->bus && dev->bus->resume) {
- dev_dbg(dev,"resuming\n");
- error = dev->bus->resume(dev);
- }
- up(&dev->sem);
- return error;
-}
-
-
-
-void dpm_resume(void)
-{
- down(&dpm_list_sem);
- while(!list_empty(&dpm_off)) {
- struct list_head * entry = dpm_off.next;
- struct device * dev = to_device(entry);
-
- get_device(dev);
- list_del_init(entry);
- list_add_tail(entry, &dpm_active);
-
- up(&dpm_list_sem);
- if (!dev->power.prev_state.event)
- resume_device(dev);
- down(&dpm_list_sem);
- put_device(dev);
- }
- up(&dpm_list_sem);
-}
-
-
-/**
- * device_resume - Restore state of each device in system.
- *
- * Walk the dpm_off list, remove each entry, resume the device,
- * then add it to the dpm_active list.
- */
-
-void device_resume(void)
-{
- down(&dpm_sem);
- dpm_resume();
- up(&dpm_sem);
-}
-
-EXPORT_SYMBOL_GPL(device_resume);
-
-
-/**
- * device_power_up_irq - Power on some devices.
- *
- * Walk the dpm_off_irq list and power each device up. This
- * is used for devices that required they be powered down with
- * interrupts disabled. As devices are powered on, they are moved to
- * the dpm_suspended list.
- *
- * Interrupts must be disabled when calling this.
- */
-
-void dpm_power_up(void)
-{
- while(!list_empty(&dpm_off_irq)) {
- struct list_head * entry = dpm_off_irq.next;
- struct device * dev = to_device(entry);
-
- get_device(dev);
- list_del_init(entry);
- list_add_tail(entry, &dpm_active);
- resume_device(dev);
- put_device(dev);
- }
-}
-
-
-/**
- * device_pm_power_up - Turn on all devices that need special attention.
- *
- * Power on system devices then devices that required we shut them down
- * with interrupts disabled.
- * Called with interrupts disabled.
- */
-
-void device_power_up(void)
-{
- sysdev_resume();
- dpm_power_up();
-}
-
-EXPORT_SYMBOL_GPL(device_power_up);
-
-