linux-kernel - Re: [PATCH 3/5 v2] Add the platform device support with RapidIO to MPC8641HPCN platform.

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Message-Id: <f898cd2f2d13e5bbdbc6306781257f2e@kernel.crashing.org>
Date:	Thu, 28 Jun 2007 20:26:13 +0200
From:	Segher Boessenkool <segher@...nel.crashing.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	paulus@...ba.org, "Zhang Wei-r63237" <Wei.Zhang@...escale.com>,
	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5 v2] Add the platform device support with RapidIO to MPC8641HPCN platform.

> Of course, looking at the device tree, rapidio is a device, not a bus,
> because it does not have a device_type and it does not have any 
> children
> of its own.

It's a device _of course_, but it's also a bus parent, since
it has a "#address-cells" not equal to zero (and, if this used
real OF, it would have decode-unit and encode-unit methods).
A quite empty bus perhaps heh (in this device tree, anyway).


Segher

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