On Sat, Oct 01, 2022 at 05:50:07PM -0600, Jonathan Derrick wrote: > On 10/1/2022 10:20 AM, Pali Rohár wrote: > ... > > Would not it better to rather synthesise PCIe Slot Capabilities support > > in your PCIe Root Port device (e.g. via pci-bridge-emul.c) and then let > > existing PCI hotplug code to take care for hotplugging? Because it > > already implements all required stuff for re-scanning, registering and > > unregistering PCIe devices for Root Ports with Slot Capabilities. And I > > think that there is no need to have just another (GPIO based) > > implementation of PCI hotplug. > > I did that a few years ago (rejected), but can attest to the robustness of > the pcie hotplug code on non-hotplug slots. > https://lwn.net/Articles/811988/ I think the thread is here: https://lore.kernel.org/linux-pci/1581120007-5280-1-git-send-email-jonathan.derrick@xxxxxxxxx/ and I'm sorry that my response came across as "rejected". I intended it as "this is good ideas and good work and we should keep going". Bjorn
