[RFC PATCH] ARM: move reserve_lp[012] handling into affected machines

[Linus Walleij]

On Sun, Jun 14, 2026 at 4:20 AM Ethan Nelson-Moore
<enelsonmoore at gmail.com> wrote:
> On Sun, May 10, 2026 at 6:15 PM Ethan Nelson-Moore
> <enelsonmoore at gmail.com> wrote:
> > arch/arm/kernel/setup.c contains code to reserve lp0/1/2 I/O ports for
> > machines that can't possibly have these ports. This code is only used
> > by netwinder and footbridge, and is small enough that it can just be
> > moved into these machines. Do so to make the setup code more generic
> > and the machine code more self-contained.
> >
> > This patch is an RFC because I'm not sure if using .init_early is
> > actually necessary. I did it to match the place the original code was
> > called as closely as possible. Can anyone weigh in on this?
>
> Hi, everyone,
>
> Gentle ping (+ cc Arnd, LinusW) - anyone have any thoughts on this?

My general idea about this and the other patch for sparse IRQs
was that I wanted to drag my Footbridge (NetWinder) out of the
closet and boot with these patches to make sure they work.

I just haven't had time, and it got buried pretty deep in there
I think...

Yours,
Linus Walleij