# # PCI Express Port Bus Configuration # config PCIEPORTBUS bool "PCI Express support" depends on PCI help This automatically enables PCI Express Port Bus support. Users can choose Native Hot-Plug support, Advanced Error Reporting support, Power Management Event support and Virtual Channel support to run on PCI Express Ports (Root or Switch). # # Include service Kconfig here # config HOTPLUG_PCI_PCIE tristate "PCI Express Hotplug driver" depends on HOTPLUG_PCI && PCIEPORTBUS help Say Y here if you have a motherboard that supports PCI Express Native Hotplug To compile this driver as a module, choose M here: the module will be called pciehp. When in doubt, say N. source "drivers/pci/pcie/aer/Kconfig" # # PCI Express ASPM # config PCIEASPM bool "PCI Express ASPM support(Experimental)" depends on PCI && EXPERIMENTAL && PCIEPORTBUS default n help This enables PCI Express ASPM (Active State Power Management) and Clock Power Management. ASPM supports state L0/L0s/L1. When in doubt, say N. config PCIEASPM_DEBUG bool "Debug PCI Express ASPM" depends on PCIEASPM default n help This enables PCI Express ASPM debug support. It will add per-device interface to control ASPM.