Re: [PATCH] PCI: mvebu: Restrict build to 32-bit ARM

From: Arnd Bergmann
Date: Thu Feb 18 2016 - 09:42:33 EST


On Thursday 18 February 2016 15:34:30 Gregory CLEMENT wrote:
> On jeu., févr. 18 2016, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> > On Thursday 18 February 2016 14:32:10 Thierry Reding wrote:
> >> From: Thierry Reding <treding@xxxxxxxxxx>
> >>
> >> This driver uses PCI glue that is only available on 32-bit ARM. This
> >> used to work fine as long as ARCH_MVEBU and ARCH_DOVE were exclusively
> >> 32-bit, but that's changed now, with ARCH_MVEBU also being available
> >> on 64-bit ARM.
> >>
> >> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> >
> > Looks fine as a temporary workaround, but I think what we really want to
> > do here is to remove the dependency, as the new ARM64 platforms are going
> > to need this driver anyway.
>
> Actually the mvebu ARM64 platform we know about (Armada 3700, 7K and
> 8K), won't use the same controller. A7K/A8K will use a synopsis IP and
> Armada 3700 a new Marvell IP.
>
> So for me depending on ARM32 is enough.

Ah, that makes things much easier indeed.

Does this mean no more MBUS on the 64-bit platforms too?

Arnd