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

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Message-Id: <20090527.223147.94364683.davem@davemloft.net>
Date:	Wed, 27 May 2009 22:31:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	david@...son.dropbear.id.au
Cc:	linux@....linux.org.uk, jonsmirl@...il.com,
	devicetree-discuss@...abs.org, linux-kernel@...r.kernel.org,
	timur@...escale.com, scottwood@...escale.com,
	yuan-bo.ye@...orola.com, linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [RFC] [PATCH] Device Tree on ARM platform

From: David Gibson <david@...son.dropbear.id.au>
Date: Thu, 28 May 2009 14:47:32 +1000

> The conceptual problem becomes apparent when you consider things like
> i2c.  The devtree is the obvious source to discover what i2c device
> are present, but they need to be instantiated as i2c devices on the
> i2c bus, not of platform devices.

Sure, but there is no reason there can't be an of_platform driver
for those i2c devices.  And such instantiated devices get propagated
either instantly to the parent, or later when the parent controller
probes.
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