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From: Michael Ellerman <michael@ellerman.id.au>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: linuxppc-dev@ozlabs.org, dhlii@dlasys.net
Subject: Re: device trees.
Date: Mon, 11 May 2009 12:00:03 +1000	[thread overview]
Message-ID: <1242007203.7767.28.camel@concordia> (raw)
In-Reply-To: <fa686aa40905091351k140c64a0w27eb44908218814@mail.gmail.com>

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On Sat, 2009-05-09 at 14:51 -0600, Grant Likely wrote:
> On Fri, May 8, 2009 at 10:03 AM, David H. Lynch Jr. <dhlii@dlasys.net> wrote:
> >    Is there an example somewhere that shows building a device tree on
> > the fly ?
> >
> >    As our products move forward it becomes increasingly clear that
> > static configurations are not going to work.

> To use device tree with partial reconfiguration would require rework
> to the device tree infrastructure to prune and graft portions of the
> device tree.  I think it is possible, but it is non-trivial to get
> working.

arch/powerpc/platforms/pseries/reconfig.c

Not pretty, but it does more or less what you're talking about. Would
need some work to get it going on !pseries obviously.
 
cheers

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  reply	other threads:[~2009-05-11  2:00 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-08 16:03 device trees David H. Lynch Jr.
2009-05-08 17:15 ` Timur Tabi
2009-05-08 18:43 ` Kumar Gala
2009-05-09 20:51 ` Grant Likely
2009-05-11  2:00   ` Michael Ellerman [this message]
2009-05-11  4:08     ` Grant Likely
2009-05-11  6:32       ` David H. Lynch Jr.
2009-05-11 13:51         ` Grant Likely
2009-05-11 15:52           ` Stephen Neuendorffer
2009-05-11 16:58             ` David H. Lynch Jr.
     [not found]               ` <20090511183638.F07C01438054@mail184-wa4.bigfish.com>
     [not found]                 ` <4A08C599.2030100@dlasys.net>
     [not found]                   ` <20090512005554.EEE1019D009B@mail129-dub.bigfish.com>
2009-05-12  2:34                     ` David H. Lynch Jr.
2009-05-12  4:27                       ` Stephen Neuendorffer
2009-05-12  5:30                         ` Grant Likely
2009-05-13  0:10                           ` Stephen Neuendorffer
2009-05-13  2:36                             ` David Gibson
2009-05-13  4:03                               ` Grant Likely
2009-05-13  6:11                               ` David H. Lynch Jr.
2009-05-13  6:21                                 ` David Gibson
2009-05-13 18:11                                   ` David H. Lynch Jr.
2009-05-14  3:08                                     ` David Gibson
2009-05-14 12:51                                       ` David H. Lynch Jr.
2009-05-13  6:58                                 ` Stephen Neuendorffer
2009-05-11 16:45           ` David H. Lynch Jr.
2009-05-11 17:47             ` Grant Likely
2009-05-11 21:38               ` David H. Lynch Jr.
2009-05-11 22:29                 ` Benjamin Herrenschmidt
2009-05-11 22:56                 ` David Gibson
2009-05-12  2:37                   ` Michael Ellerman
2009-05-11 23:09                 ` Grant Likely
2009-05-12  1:12                   ` David Gibson
2009-05-12  5:22                     ` Grant Likely
2009-05-12 23:24                       ` David Gibson
2009-05-13  0:01                         ` Grant Likely
2009-05-13  0:13                         ` David H. Lynch Jr.
2009-05-13  1:15                           ` Grant Likely
2009-05-13  2:32                           ` David Gibson
2009-05-11 23:19                 ` Stephen Neuendorffer
2009-05-12  0:04                   ` Grant Likely
2009-05-12  7:38                     ` Wolfram Sang
2009-05-11 14:58         ` Timur Tabi
2009-05-11 16:54           ` David H. Lynch Jr.
2009-05-11 23:27             ` David Gibson
2009-05-11 22:25       ` Benjamin Herrenschmidt

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