netdev - Re: [PATCH net-next] net: ethernet: neterion: s2io: remove unused driver

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Message-ID: <CADkSEUjyXH74izTrsfhdAjh=n-jnGx=tXbqPx86M9OYqjXj0PA@mail.gmail.com>
Date: Sat, 24 Jan 2026 15:32:17 -0800
From: Ethan Nelson-Moore <enelsonmoore@...il.com>
To: "Christophe Leroy (CS GROUP)" <chleroy@...nel.org>
Cc: Bjorn Helgaas <helgaas@...nel.org>, netdev@...r.kernel.org, linux-doc@...r.kernel.org, 
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Subject: Re: [PATCH net-next] net: ethernet: neterion: s2io: remove unused driver

On Fri, Jan 23, 2026 at 11:25 PM Christophe Leroy (CS GROUP)
<chleroy@...nel.org> wrote:
> Yes and that's exactly the reason why removing unused IDs will be a problem.
>
> Let's take an exemple: some patch adds PCI_DEVICE_ID_ARECA_1682 after
> PCI_DEVICE_ID_ARECA_1681 in pci_ids.h in the mainline. That patch needs
> to be backported and it conflicts with PCI_VENDOR_ID_S2IO which is not
> anymore in the mainline but is still in stable.

Hi, Christophe,

I understand your reasoning now. Thanks for clarifying. In my opinion,
changes to pci_ids.h don't happen often enough for that to be a
problem. Unused IDs have been removed from it before.

Sincerely,
Ethan