Date: Thu, 27 Nov 2014 18:12:43 +0100
From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
        Nicolas Ferre <nicolas.ferre@atmel.com>, linux-kernel@vger.kernel.org,
        Boris BREZILLON <boris.brezillon@free-electrons.com>,
        Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>,
        Ludovic Desroches <ludovic.desroches@atmel.com>
Subject: Re: [PATCH 00/11] ARM: at91: remove !DT support for at91rm9200
Message-ID: <20141127171243.GL4508@piout.net>
References: <cover.1417103399.git.nicolas.ferre@atmel.com>
 <3550407.q87bWB4Jdt@wuerfel>
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On 27/11/2014 at 17:49:50 +0100, Arnd Bergmann wrote :
> On Thursday 27 November 2014 17:06:28 Nicolas Ferre wrote:
> > This is the last series of patches that removes the non-Device-Tree board
> > support for older Atmel SoCs.
> > Again, for the record, it was announced here
> > https://lkml.org/lkml/2014/9/10/293 ([ANNOUNCE] ARM: at91: removal of board
> > files) two months ago.
> > Several files beyond at91rm9200 are touched this time as I tried to remove the
> > biggest parts that were related to !DT SoC initializations. More cleanup is
> > certainly needed to remove dead code.
> > 
> > The diffstat is also pretty big as a lot of at91rm9200 boards were remaining.
> > 
> 
> Awesome stuff!
> 
> Two questions:
> 
> - is anything holding this up from getting merged in 3.19?
> 

If you think this is not too late in the cycle, I would say go ahead ;)

> - Are there any remaining issues that keep us from using multiplatform?
>   I know you all have been working on those a lot, but I haven't
>   checked what is still missing.
> 

As discussed some weeks ago, I prepared patches to switch sama5d[3-4] to
multiplatform. We are still missing the SMC and matrix drivers to switch
sam9 and rm9200.

The currently affected drivers are:
 - drivers/ata/pata_at91.c (SMC)
 - drivers/pcmcia/at91_cf.c (SMC)
 - drivers/usb/gadget/udc/at91_udc.c (Matrix, this is the only one
   for sam9)
 - sound/atmel/ac97c.c (that one is still not converted to DT anyway...)
 - drivers/watchdog/at91rm9200_wdt.c (WIP, will be converted properly to
   an MFD)

I'll resume working on that in December.

Do you want me to submit the sama5d[3-4] switch for 3.19? I'll have to
rebase on that series. The main remaining issue is that I couldn't work
out a way not breaking the defconfigs, even after talking with the
Kconfig maintainer so doing first sama5 then sam9/rm9200 will break the
defconfigs for sam9/rm9200 twice.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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