rom_addr |= PCI_ROM_ADDRESS_ENABLE; 
rom_addr &= ~PCI_ROM_ADDRESS_MASK; rom_addr |= region.start | PCI_ROM_ADDRESS_ENABLE; 
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);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/8085ce084c0f0144c353963853f81486fc331120/rom.c/buggy/drivers/pci/rom.c