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Date:	Thu, 18 Feb 2016 15:41:45 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Thierry Reding <thierry.reding@...il.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Andrew Lunn <andrew@...n.ch>,
	Jason Cooper <jason@...edaemon.net>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Subject: Re: [PATCH] PCI: mvebu: Restrict build to 32-bit ARM

On Thursday 18 February 2016 15:34:30 Gregory CLEMENT wrote:
>  On jeu., févr. 18 2016, Arnd Bergmann <arnd@...db.de> wrote:
> 
> > On Thursday 18 February 2016 14:32:10 Thierry Reding wrote:
> >> From: Thierry Reding <treding@...dia.com>
> >> 
> >> 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@...dia.com>
> >
> > 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

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