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Subject: Re: [PATCH] powerpc: Check flat device tree version at boot
From: Michael Ellerman <mpe@ellerman.id.au>
To: Rob Herring <robherring2@gmail.com>
Date: Fri, 29 Aug 2014 11:55:56 +1000
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Cc: Grant Likely <grant.likely@linaro.org>, linuxppc-dev@ozlabs.org,
 Rob Herring <robh+dt@kernel.org>
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On Thu, 2014-08-28 at 09:27 -0500, Rob Herring wrote:
> On Thu, Aug 28, 2014 at 3:40 AM, Michael Ellerman <mpe@ellerman.id.au> wrote:
> > In commit e6a6928c3ea1 "of/fdt: Convert FDT functions to use libfdt",
> > the kernel stopped supporting old flat device tree formats. The minimum
> > supported version is now 0x10.
> 
> Ugg. Is that something which needs to be supported? Supporting it at
> this point would mean adding support to libfdt.

Well it would have been nice to keep supporting v2, dropping it broke
kexec-tools for example. But it's done now, so we'll just deal with the
fallout.

If you can CC linuxppc-dev in future on patches that fundamentally change the
device tree parsing that would be appreciated :)

cheers