PCI Express Hotplug driver

modulename: pciehp.ko

configname: CONFIG_HOTPLUG_PCI_PCIE

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI Express Hotplug driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
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.

source code: