Commit e67ad935 authored by Albert Zhou's avatar Albert Zhou Committed by Bjorn Helgaas
Browse files

PCI: pciehp: Enable by default if USB4 enabled 

Thunderbolt/USB4 PCIe tunneling depends on native PCIe hotplug.  Enable
pciehp by default if USB4 is enabled.

[bhelgaas: squash, update subject, commit logs, tidy whitespace]
Link: https://lore.kernel.org/r/20221115113857.35800-2-albert.zhou.50@gmail.com
Link: https://lore.kernel.org/r/20221115113857.35800-3-albert.zhou.50@gmail.com


Signed-off-by: default avatarAlbert Zhou <albert.zhou.50@gmail.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 9abf2313

drivers/pci/hotplug/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -6,11 +6,14 @@ 
menuconfig HOTPLUG_PCI

	bool "Support for PCI Hotplug"

	depends on PCI && SYSFS

	default y if USB4

	help

	  Say Y here if you have a motherboard with a PCI Hotplug controller.

	  This allows you to add and remove PCI cards while the machine is

	  powered up and running.



	  Thunderbolt/USB4 PCIe tunneling depends on native PCIe hotplug.



	  When in doubt, say N.



if HOTPLUG_PCI

drivers/pci/pcie/Kconfig

+6 −2
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
#

config PCIEPORTBUS

	bool "PCI Express Port Bus support"

	default y if USB4

	help

	  This enables PCI Express Port Bus support. Users can then enable

	  support for Native Hot-Plug, Advanced Error Reporting, Power
@@ -15,9 +16,12 @@ config PCIEPORTBUS 
config HOTPLUG_PCI_PCIE

	bool "PCI Express Hotplug driver"

	depends on HOTPLUG_PCI && PCIEPORTBUS

	default y if USB4

	help

	  Say Y here if you have a motherboard that supports PCI Express Native

	  Hotplug

	  Say Y here if you have a motherboard that supports PCIe native

	  hotplug.



	  Thunderbolt/USB4 PCIe tunneling depends on native PCIe hotplug.



	  When in doubt, say N.