static void pci_enable_rom(struct pci_dev *pdev)
static int pci_enable_rom(struct pci_dev *pdev)
static void pci_enable_rom(struct pci_dev *pdev){	u32 rom_addr;	pci_read_config_dword(pdev, pdev->rom_base_reg, &rom_addr);	rom_addr |= PCI_ROM_ADDRESS_ENABLE;	pci_write_config_dword(pdev, pdev->rom_base_reg, rom_addr);}