[RFC] Device Tree Overlays Proposal (Was Re: capebus moving omap_devices to mach-omap2)

[Pantelis Antoniou]

Hi Grant,

On Nov 9, 2012, at 10:33 PM, Grant Likely wrote:

> On Wed, Nov 7, 2012 at 11:02 AM, Pantelis Antoniou
> <panto at 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.

I see. So of_platform_populate could just register the notifier and
not do the tree walk itself. Perhaps the name is a bit misleading then?

Regards

-- Pantelis