PCI_latency
#define PCI_LATENCY_TIMER PCI_latency
PCI_latency, 1);
PCI_latency, 1, latency);
dev->function, PCI_latency, 1);
card->info.function, PCI_latency, 1, 0xc0 );
gPci->write_pci_config(device->pci_info->bus, device->pci_info->device, device->pci_info->function, PCI_latency, 1, PCI_LATENCY);
val = gPci->read_pci_config(device->pci_info->bus, device->pci_info->device, device->pci_info->function, PCI_latency, 1);