Re: [PATCH] thunderbolt: Resume PCIe bridges after switch is found on AMD USB4 controller

From: Mika Westerberg
Date: Mon Sep 05 2022 - 11:36:22 EST


On Mon, Sep 05, 2022 at 11:24:26PM +0800, Kai-Heng Feng wrote:
> > can you check if that is happening? It should show up in the dmesg when
> > CONFIG_PCI_DEBUG=y but I don't see it in yours.
>
> That's because there isn't any child device yet, so the function bails early:
> if (!dev->subordinate || list_empty(&dev->subordinate->devices))

Ah, of course I forgot that this is hotplug case so there are no need
for the delays :/