linux-kernel - Re: [PATCH 1/2] of: change overlay apply input data from EDT to FDT

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Date:   Mon, 29 Jan 2018 16:13:11 -0800
From:   Frank Rowand <frowand.list@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Rob Herring <robh@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Pantelis Antoniou <panto@...oniou-consulting.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] of: change overlay apply input data from EDT to FDT

On 01/29/18 07:05, Geert Uytterhoeven wrote:
> On Mon, Jan 29, 2018 at 3:42 PM, Rob Herring <robh@...nel.org> wrote:
>> On Sun, Jan 28, 2018 at 8:53 PM,  <frowand.list@...il.com> wrote:
>>> From: Frank Rowand <frank.rowand@...y.com>
>>>
>>> Move duplicating and unflattening of an overlay flattened devicetree
>>> (FDT) into the overlay application code.  To accomplish this,
>>> of_overlay_apply() is replaced by of_overlay_fdt_apply().
>>>
>>> The copy of the FDT (aka "duplicate FDT") now belongs to devicetree
>>> code, which is thus responsible for freeing the duplicate FDT.  The
>>> caller of of_overlay_fdt_apply() remains responsible for freeing the
>>> original FDT.
>>>
>>> The unflattened device tree (aka expanded device tree, EDT) now
>>
>> Not really a fan of a new acronym.
> 
> FWIW, it has already sneaked in:
> 
> $ git grep -w EDT -- drivers/of
> drivers/of/unittest.c:   * will create pointers to the passed in FDT in the EDT.

Rob will be glad to know that this comment is removed by this patch series.

:-)


> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds
>