diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/suspend.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index e86db83746a..6453c25103d 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -118,33 +118,6 @@ static int suspend_device_late(struct device *dev, pm_message_t state) } /** - * device_prepare_suspend - save state and prepare to suspend - * - * NOTE! Devices cannot detach at this point - not only do we - * hold the device list semaphores over the whole prepare, but - * the whole point is to do non-invasive preparatory work, not - * the actual suspend. - */ -int device_prepare_suspend(pm_message_t state) -{ - int error = 0; - struct device * dev; - - down(&dpm_sem); - down(&dpm_list_sem); - list_for_each_entry_reverse(dev, &dpm_active, power.entry) { - if (!dev->bus || !dev->bus->suspend_prepare) - continue; - error = dev->bus->suspend_prepare(dev, state); - if (error) - break; - } - up(&dpm_list_sem); - up(&dpm_sem); - return error; -} - -/** * device_suspend - Save state and stop all devices in system. * @state: Power state to put each device in. * |