[PATCH] USB: OHCI/UHCI: Add soft dependencies on ehci_hcd

Alan Stern stern at rowland.harvard.edu
Wed Dec 31 10:09:58 PST 2025


On Wed, Dec 31, 2025 at 06:33:34PM +0100, Diederik de Haas wrote:
> One of the issue is that I don't (fully) understand how this (should)
> work. F.e. I wondered about all the PCI 'references' in your explanation
> (thanks for that :-)).
> 
> I (also) wondered why the number on Quartz64-A was lower, but that
> actually has a PCIe slot ... with a USB3 controller card in it.
> 
> If I do ``lsmod | grep pci`` on my PineTab2, I get zero hits, but I do
> get hits when doing it on my Q64-A.
> 
> On my Rock 5B, I get 1 hit, "phy_rockchip_snps_pcie3", but that has a
> NVMe drive connected to it. And I have a (working) keyboard connected
> via a USB2 port. And/while I do have the warning ...

I can't say anything specific about your systems without a lot more 
information.  However, I suspect that any problems you are running into 
are not related to that warning.

Alan Stern



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