From: Scott Wood <scottwood@freescale.com>
To: Olof Johansson <olof@lixom.net>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] [POWERPC] 85xx: Add basic Uniprocessor MPC8572 DS port
Date: Tue, 11 Sep 2007 12:48:04 -0500 [thread overview]
Message-ID: <46E6D4D4.2050600@freescale.com> (raw)
In-Reply-To: <20070911173308.GA11951@lixom.net>
Olof Johansson wrote:
> On Tue, Sep 11, 2007 at 12:21:30PM -0500, Scott Wood wrote:
>> Olof Johansson wrote:
>>> On Tue, Sep 11, 2007 at 11:00:28AM -0500, Kumar Gala wrote:
>>>> well the ifdefs are orthogonal. We don't have a way of knowing
>>>> primary from the device tree today.
>>> How about something like "fsl,primary-phb" in the bus device node? I don't
>>> know, maybe it's already been discussed and turned down for some reason.
>> It's more of a Linux issue than anything to do with the hardware.
>
> That doesn't stop firmware from telling linux which bus is the primary
> one on the system to help out.
The entire notion of a "primary" PCI bus is due to a Linux flaw.
If we did put it in the device tree, it should be something like
"linux,primary-phb". But since Linux can tell from the node's children,
there doesn't seem to be much point.
-Scott
next prev parent reply other threads:[~2007-09-11 17:48 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-11 6:29 [PATCH] [POWERPC] 85xx: Add basic Uniprocessor MPC8572 DS port Kumar Gala
2007-09-11 14:17 ` Scott Wood
2007-09-11 15:58 ` Kumar Gala
2007-09-12 13:20 ` Segher Boessenkool
2007-09-13 3:27 ` Kumar Gala
2007-09-13 16:53 ` Segher Boessenkool
2007-09-13 21:23 ` Kumar Gala
2007-09-11 14:18 ` Olof Johansson
2007-09-11 15:50 ` Kumar Gala
2007-09-11 15:55 ` Olof Johansson
2007-09-11 16:00 ` Kumar Gala
2007-09-11 17:15 ` Olof Johansson
2007-09-11 17:21 ` Scott Wood
2007-09-11 17:33 ` Olof Johansson
2007-09-11 17:48 ` Scott Wood [this message]
2007-09-11 17:59 ` Kumar Gala
2007-09-12 3:00 ` David Gibson
2007-09-12 3:35 ` Kumar Gala
2007-09-12 3:37 ` David Gibson
2007-09-12 3:37 ` Olof Johansson
2007-09-12 13:20 ` Segher Boessenkool
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