Device Drivers Power Management

/usr/src/linux-2.6.22-git15-i486-1mn//drivers/base/power/main.c — Document generation inconsistency
device_resume — Restore state of each device in system.
device_power_up — Turn on all devices that need special attention.
device_suspend — Save state and stop all devices in system.
device_power_down — Shut down special devices.