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Date:	Fri, 25 Jul 2014 19:02:34 +0200
From:	Javier Martinez Canillas <javier@...hile0.org>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Andreas Färber <afaerber@...e.de>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Stephan van Schaik <stephan@...khronix.com>,
	Vincent Palatin <vpalatin@...omium.org>,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	"moderated list:ARM/SAMSUNG ARM A..." 
	<linux-arm-kernel@...ts.infradead.org>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/4] ARM: dts: exynos5250: Fold common ChromeOS parts
 into Snow

Hello Doug,

On Fri, Jul 25, 2014 at 6:43 PM, Doug Anderson <dianders@...omium.org> wrote:
> Javier,
>
> On Fri, Jul 25, 2014 at 9:35 AM, Javier Martinez Canillas
> <javier@...hile0.org> wrote:
>> Hello Andreas,
>>
>> On Fri, Jul 18, 2014 at 7:20 PM, Andreas Färber <afaerber@...e.de> wrote:
>>>
>>> +       memory {
>>> +               reg = <0x40000000 0x80000000>;
>>> +       };
>>> +
>>> +       chosen {
>>> +       };
>>> +
>>
>> Is there a reason for an empty chosen node? Same for the Spring DTS.
>
> I know that the bootloader (U-Boot) fills this in.  I'd have to double
> check how the bootloader handles the node not being there to begin
> with.

Yes, U-Boot fills this but if the node does not exist in the FDT, it
creates one. Take a look at fdt_chosen() in common/fdt_support.c [0].

So I think it's better to just remove it since is empty.

Best regards,
Javier

[0]: https://chromium.googlesource.com/chromiumos/third_party/u-boot/+/master/common/fdt_support.c#215
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