pci_enable_device_io(9) suse man page | unix.com

PCI_ENABLE_DEVICE_IO(9) 					Hardware Interfaces					   PCI_ENABLE_DEVICE_IO(9)

NAME
       pci_enable_device_io - Initialize a device for use with IO space

SYNOPSIS
       int pci_enable_device_io(struct pci_dev * dev);

ARGUMENTS
       dev
	   PCI device to be initialized

DESCRIPTION
       Initialize device before it's used by a driver. Ask low-level code to enable I/O resources. Wake up the device if it was suspended. Beware,
       this function can fail.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						   PCI_ENABLE_DEVICE_IO(9)