config HW_HAS_PCI bool if HW_HAS_PCI menu "PCI bus options" config PCI bool "Support for PCI controller" depends on HW_HAS_PCI help Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside your box. If you have PCI, say Y, otherwise N. config PCI_DEBUG bool "PCI Debugging" depends on PCI help Say Y here if you want the PCI core to produce a bunch of debug messages to the system log. Select this if you are having a problem with PCI support and want to see more of what is going on. When in doubt, say N. config PCI_MVEBU bool "Marvell EBU PCIe driver" depends on ARCH_MVEBU select OF_PCI select PCI endmenu endif