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

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Date:	Thu, 28 Jun 2007 14:42:39 +0800
From:	"Zhang Wei-r63237" <Wei.Zhang@...escale.com>
To:	"Arnd Bergmann" <arnd@...db.de>, <linuxppc-dev@...abs.org>
Cc:	<mporter@...nel.crashing.org>, <paulus@...ba.org>,
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 3/5 v2] Add the platform device support with RapidIO to MPC8641HPCN platform.

Hi, Arnd,


> 
> On Wednesday 27 June 2007, Zhang Wei wrote:
> > +static struct of_device_id mpc86xx_of_ids[] = {
> > +       { .type = "soc", },
> > +       { .compatible = "fsl,rapidio-delta", },
> > +       {},
> > +};
> > +
> > +static __init int mpc86xx_of_device_init(void)
> > +{
> > +       return of_platform_bus_probe(NULL, mpc86xx_of_ids, NULL);
> > +}
> 
> This will add any devices below the "fsl,rapidio-delta" device
> as an of_device. Is that what you actually want? I would guess that
> you want to add the bridge itself, not the devices below it.
> 
> Is the rapidio device at the root of the device tree, and if so, why
> not under the soc bus?
> 

RapidIO is rather a bus that a device although these is no other nodes defined in its sector now.

Thanks!
Wei.
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