linux-kernel - Re: [PATCH] platform: Fix platform device resource linking

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Message-ID: <20130118030017.GA11423@kroah.com>
Date:	Thu, 17 Jan 2013 19:00:17 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Pantelis Antoniou <panto@...oniou-consulting.com>
Cc:	linux-kernel@...r.kernel.org, Matt Porter <mporter@...com>,
	Russ Dill <Russ.Dill@...com>,
	Koen Kooi <koen@...inion.thruhere.net>
Subject: Re: [PATCH] platform: Fix platform device resource linking

On Thu, Jan 17, 2013 at 07:27:21PM +0200, Pantelis Antoniou wrote:
> >> In a nutshell, we have to exercise the platform device subsystem, in ways
> >> that never happened before, so all sorts of weird bugs that no-one has seen
> >> before.
> > 
> > Why do you have to do this?  What are you doing that is so different
> > from everyone else?  What drivers are you using that trigger this type
> > of thing?
> > 
> 
> This is all part of a larger patchset; I guess you weren't directly CCed.
> The name of the patchset is 'Introducing Device Tree Overlays' and is a
> method of changing the live device tree and have the changes reflected to
> the kernel's state.

Ok, no wonder I was confused :)

How about cc:ing me on the next round of these patches, all of the,
which will give me the proper background as to what is going on?

> >> In that case, the code path for creating platform devices from DT is
> >> not the same as the one that is used when creating platform device from
> >> a board file.
> > 
> > Why not?
> > 
> 
> Because while DT creates platform devices, it doesn't use the platform device
> methods to do so, rather than builds the platform device itself. This is 
> something that was overlooked.

Can't this be fixed?  What does the platform device core need to do to
resolve this?

thanks,

greg k-h
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