Date: Fri, 18 Oct 2013 18:49:19 -0700
From: Michael Bohan <mbohan@codeaurora.org>
To: Rob Herring <robherring2@gmail.com>
Cc: David Daney <ddaney@caviumnetworks.com>,
        Pantelis Antoniou <panto@antoniou-consulting.com>,
        Guenter Roeck <linux@roeck-us.net>,
        David Gibson <david@gibson.dropbear.id.au>,
        linux-kernel@vger.kernel.org, grant.likely@secretlab.ca,
        rob.herring@calxeda.com, ralf@linux-mips.org,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        david.daney@cavium.com, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH] of/lib: Export fdt routines to modules
Message-ID: <20131019014919.GB30244@codeaurora.org>
References: <20131017002731.GA22830@codeaurora.org>
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 <20131017235132.GA6241@codeaurora.org>
 <52608457.5040609@roeck-us.net>
 <20131018025405.GA3722@codeaurora.org>
 <33103C16-6472-4AAE-ADB8-50807CC96C85@antoniou-consulting.com>
 <52615A64.9040803@gmail.com>
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On Fri, Oct 18, 2013 at 04:20:09PM -0500, Rob Herring wrote:
> On 10/18/2013 02:32 PM, Michael Bohan wrote:
> > My preference is probably straight libfdt calls, but if others
> > think that unpacking is a better solution, I'm able to go that
> > route as well. My only concern there is that we provide a means
> > to detect invalid dtb image (ex. handle error codes) and also
> > free the device_node allocations once the device is released.
> 
> I think we need to understand what you are putting in the DT first.

That's understandable. Please see my response to Mark.

> Given there are other desired uses like overlays which need to add the
> necessary loading and unflattening support, a common solution is likely
> more desirable.

But by convention, would overlays allow for 'application
specific' data, or are they expected to meet the more rigid
requirements of a real Device Tree?

Thanks,
Mike

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