NAME
pci_save_state - save the PCI configuration space of a device before
suspending
SYNOPSIS
int pci_save_state (struct pci_dev *dev, u32 *buffer);
ARGUMENTS
dev - PCI device that we’re dealing with
buffer - buffer to hold config space context
DESCRIPTION
buffer must be large enough to hold the entire PCI 2.2 config space
(>= 64 bytes).