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From: Grant Likely <grant.likely@secretlab.ca>
Date: Fri, 9 Nov 2012 20:33:47 +0000
Message-ID: <CACxGe6uXyTt_kr4=0ob+-ubgV9he+SfobLwux6X0m6y7yQU7EA@mail.gmail.com>
Subject: Re: [RFC] Device Tree Overlays Proposal (Was Re: capebus moving
 omap_devices to mach-omap2)
To: Pantelis Antoniou <panto@antoniou-consulting.com>
Cc: Benoit Cousson <b-cousson@ti.com>, Rob Herring <robherring2@gmail.com>,
        Deepak Saxena <dsaxena@linaro.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Scott Wood <scottwood@freescale.com>, Tony Lindgren <tony@atomide.com>,
        Russ Dill <Russ.Dill@ti.com>, Felipe Balbi <balbi@ti.com>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Koen Kooi <koen@dominion.thruhere.net>, Matt Porter <mporter@ti.com>,
        linux-omap@vger.kernel.org, Kevin Hilman <khilman@ti.com>,
        Paul Walmsley <paul@pwsan.com>, devicetree-discuss@lists.ozlabs.org
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On Wed, Nov 7, 2012 at 11:02 AM, Pantelis Antoniou
<panto@antoniou-consulting.com> wrote:
> On Nov 7, 2012, at 11:19 AM, Benoit Cousson wrote:
>> Maybe some extra version match table can just be passed during the board machine_init
>>
>>       of_platform_populate(NULL, omap_dt_match_table, NULL, NULL, panda_version_match_table);
>>
>
> Would we need explicit of_platform_populate calls if we have node modification notifiers?
> In that case the notifier would pick it up automatically, and can do the per
> version matching internally.

There still needs to be something to register "everything below this
node is interesting" which is exactly what of_platform_populate() does
now. I see the notifiers being used by the of_platform_populate
backend to know when nodes have been created (or destroyed).

g.
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