linux-kernel - Re: [PATCH V5 0/5] dt: build overlays

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Date:   Thu, 21 Jan 2021 09:44:18 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        David Gibson <david@...son.dropbear.id.au>,
        Bill Mills <bill.mills@...aro.org>,
        Anmar Oueja <anmar.oueja@...aro.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH V5 0/5] dt: build overlays

On 20-01-21, 09:43, Rob Herring wrote:
> On Wed, Jan 20, 2021 at 1:07 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
> >
> > Hi Frank/Rob,
> >
> > I have picked all the related patches together into a single patchset,
> > so they can be properly reviewed/tested.
> >
> > This patchset makes necessary changes to the kernel to add support for
> > building overlays (%.dtbo) and the required fdtoverlay tool. This also
> > builds static_test.dtb using some of the existing overlay tests present
> > in drivers/of/unittest-data/ for better test coverage.
> >
> > Note that in order for anyone to test this stuff, you need to manually
> > run the ./update-dtc-source.sh script once to fetch the necessary
> > changes from the external DTC project (i.e. fdtoverlay.c and this[1]
> > patch).
> 
> Do we need a fdtoverlay fix for applying root node changes?

I have dropped the overlay files which were updating the root-node as
it looks like it shouldn't be done. Frank suggested (in his patch) to
drop overlay.dtb and I dropped overlay_base.dtb as well.

With that no other fixes are required.

-- 
viresh