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PCI: pciehp: Enable by default if USB4 enabled

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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: Albert Zhou <albert.zhou.50@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Albert Zhou 2022-11-15 22:38:56 +11:00 committed by Bjorn Helgaas
parent 9abf2313ad
commit e67ad9354a
2 changed files with 9 additions and 2 deletions
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3
drivers/pci/hotplug/Kconfig
View file

@ -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

8
drivers/pci/pcie/Kconfig
View file

@ -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.