linux-kernel - Re: [GIT PULL] Device tree updates for v3.12

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Message-ID: <CACxGe6tWN2d_MpncDXz8rb1u4bEWCip1isACC-hWGPX9wzYvZQ@mail.gmail.com>
Date:	Wed, 11 Sep 2013 22:49:03 +0100
From:	Grant Likely <grant.likely@...retlab.ca>
To:	"Theodore Ts'o" <tytso@....edu>,
	Rob Herring <robherring2@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Tim Bird <tbird20d@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Anton Blanchard <anton@...ba.org>
Subject: Re: [GIT PULL] Device tree updates for v3.12

On Tue, Sep 10, 2013 at 11:19 PM, Theodore Ts'o <tytso@....edu> wrote:
> On Tue, Sep 10, 2013 at 05:06:39PM -0500, Rob Herring wrote:
>> > If I recall correctly, somebody said that things like ethernet MAC
>> > addresses etc sometimes come from DT. Is my memory going, or is that
>> > true but very rare?
>>
>> It is true and fairly common. You can also have serial numbers in the
>> DT, but that is more rare. The bootloader will also add the kernel
>> command line, initrd start and end addresses.
>
> Stuff which is common across a large number of devices is rather less
> useful to merge in.  Is there some fixed way that things like serial
> numbers and MAC addresses are tagged as such in the device tree?

Unfortunately not. There is no indication about which are the dynamic
properties.

g.
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