On Sun, Nov 13, 2022 at 10:28:10PM +1100, Albert Zhou wrote: > Thunderbolt and USB4 PCI cards require the hotplug feature. This is now > recorded in the help message for HOTPLUG_PCI. Further, HOTPLUG_PCI is > defaulted to Y if USB4 is selected. > > Signed-off-by: Albert Zhou <albert.zhou.50@xxxxxxxxx> > --- > drivers/pci/hotplug/Kconfig | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig > index 840a84bb5ee2..06cc373834f5 100644 > --- a/drivers/pci/hotplug/Kconfig > +++ b/drivers/pci/hotplug/Kconfig > @@ -6,10 +6,12 @@ > 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. > + powered up and running. Thunderbolt and USB4 PCI cards require > + Hotplug. I would not say they "require" this. PCIe is completely optional in USB4 systems and it is perfectly fine to have host controllers or add-in-cards that don't have a single PCIe adapter. Not objeting the patch, though. For Linux I guess it makes sense to have this like what you are suggesting. Just perhaps changing the wordirng ;-)
