linux-kernel - Re: [RFC] [PATCH] Device Tree on ARM platform

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Message-ID: <9e4733910905271213k7f4b93e7i7e6f2af24d85f@mail.gmail.com>
Date:	Wed, 27 May 2009 15:13:55 -0400
From:	Jon Smirl <jonsmirl@...il.com>
To:	Scott Wood <scottwood@...escale.com>
Cc:	Russell King <rmk+lkml@....linux.org.uk>,
	Peter Korsgaard <jacmet@...site.dk>,
	Robert Schwebel <r.schwebel@...gutronix.de>,
	devicetree-discuss <devicetree-discuss@...abs.org>,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	Janboe Ye <yuan-bo.ye@...orola.com>,
	Timur Tabi <timur@...escale.com>
Subject: Re: [RFC] [PATCH] Device Tree on ARM platform

On Wed, May 27, 2009 at 3:08 PM, Scott Wood <scottwood@...escale.com> wrote:
> I'm not talking about platform specific code, I'm talking about code to
> retrieve information about a device from the device tree.  There would not
> be separate instances of this for "platforms X, Y and Z", just one
> of_platform binding in each driver.  It's no different than having a
> platform bus binding, except in the data structures used.
>
> But to restate, having external glue to create platform devices from the
> device tree is fine if that's what you want to do.  We used to do that, but
> it was a pain compared to keeping everything in one place.  Your experience
> may differ.

Could 'struct platform_device' and 'struct of_platform_device" be
unified into a single structure? It's personal preference whether the
internal representation of the hardware is done via a device tree or
snippets of platform code, but do we need to have to different device
types?

-- 
Jon Smirl
jonsmirl@...il.com
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