From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tomasz Figa <tomasz.figa@gmail.com>
Subject: Re: [Arm-netbook] getting allwinner SoC support upstream (was Re: Uploading linux (3.9.4-1))
Date: Thu, 06 Jun 2013 02:01:14 +0200
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Cc: "luke.leighton" <luke.leighton@gmail.com>, Linux on small ARM machines <arm-netbook@lists.phcomp.co.uk>, devicetree-discuss <devicetree-discuss@ozlabs.org>, Stephen Warren <swarren@wwwdotorg.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, debian-arm@lists.debian.org, "jonsmirl@gmail.com" <jonsmirl@gmail.com>, debian-kernel@lists.debian.org
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On Thursday 06 of June 2013 00:54:02 luke.leighton wrote:
> On Thu, Jun 6, 2013 at 12:40 AM, Henrik Nordstr=F6m
>=20
> <henrik@henriknordstrom.net> wrote:
> > tor 2013-06-06 klockan 00:26 +0100 skrev luke.leighton:
> >>  no john - they've only added it to the multiplexed sections of th=
e
> >>=20
> >> drivers which they themselves have written.  such as
> >> drivers/usb/sun{N}i_usb/*.[ch], drivers/block/nand/sun{N}_i,
> >> arch/arm/mach-sun{N}i and so on.
> >=20
> > And a number of SPI device drivers, USB device drivers, vendor
> > provided
> > device drivers, ......
> >=20
> >> the script.fex system deals with the pinmux issue in a very neat w=
ay=20
that:
> >>   a) has very little impact on the rest of the kernel tree [citati=
on
> >>=20
> >> needed!  i'm saying that: could someone please confirm if it's tru=
e]
> >=20
> > Not really the case. Actually the opposite. DT have this as well, a=
nd
> > integrated in device probing. Allwinner need to hack every driver u=
sed
> > to add their gpio requests to have pinmuxing triggered.
>=20
>  augh.  ok.  solutions.  what are the solutions here?

I don't see any other solution here than moving all the Allwinner code =
to=20
DT (as it has been suggested in this thread several times already), as=20
this is the only hardware description method supported by ARM Linux.

Best regards,
Tomasz