centos man page for pci_prepare_to_sleep

PCI_PREPARE_TO_SLEEP(9) 					Hardware Interfaces					   PCI_PREPARE_TO_SLEEP(9)

NAME
       pci_prepare_to_sleep - prepare PCI device for system-wide transition into a sleep state

SYNOPSIS
       int pci_prepare_to_sleep(struct pci_dev * dev);

ARGUMENTS
       dev
	   Device to handle.

DESCRIPTION
       Choose the power state appropriate for the device depending on whether it can wake up the system and/or is power manageable by the platform
       (PCI_D3hot is the default) and put the device into that state.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   PCI_PREPARE_TO_SLEEP(9)