From: Scott Wood <scottwood@freescale.com>
To: Robert Schwebel <r.schwebel@pengutronix.de>
Cc: Grant Likely <grant.likely@secretlab.ca>,
devicetree-discuss <devicetree-discuss@ozlabs.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.arm.linux.org.uk,
Janboe Ye <yuan-bo.ye@motorola.com>,
Timur Tabi <timur@freescale.com>,
rmk@arm.linux.org.uk
Subject: Re: [RFC] [PATCH] Device Tree on ARM platform
Date: Wed, 27 May 2009 18:58:24 -0500 [thread overview]
Message-ID: <4A1DD3A0.3010501@freescale.com> (raw)
In-Reply-To: <20090527234801.GP6805@pengutronix.de>
Robert Schwebel wrote:
> The oftree by design wants to be a complete hardware description. As you
> mention above, there are cases where you *nevertheless* need ad-hoc
> information about things *not* encoded into the device tree.
>
> This renders the whole concept ad absurdum. You need a machine number
> again - and if you need that: why not stay with the ARM model, define
> everything with platform data and avoid the whole thing?
Because it's better to have a little platform specific code than a lot
of it?
-Scott
WARNING: multiple messages have this Message-ID (diff)
From: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Robert Schwebel <r.schwebel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Cc: devicetree-discuss
<devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-xIg/pKzrS19vn6HldHNs0ANdhmdF6hFW@public.gmane.org,
Janboe Ye <yuan-bo.ye-3WKxDLwmzFNWk0Htik3J/w@public.gmane.org>,
Timur Tabi <timur-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
rmk-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org
Subject: Re: [RFC] [PATCH] Device Tree on ARM platform
Date: Wed, 27 May 2009 18:58:24 -0500 [thread overview]
Message-ID: <4A1DD3A0.3010501@freescale.com> (raw)
In-Reply-To: <20090527234801.GP6805-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Robert Schwebel wrote:
> The oftree by design wants to be a complete hardware description. As you
> mention above, there are cases where you *nevertheless* need ad-hoc
> information about things *not* encoded into the device tree.
>
> This renders the whole concept ad absurdum. You need a machine number
> again - and if you need that: why not stay with the ARM model, define
> everything with platform data and avoid the whole thing?
Because it's better to have a little platform specific code than a lot
of it?
-Scott
next prev parent reply other threads:[~2009-05-27 23:59 UTC|newest]
Thread overview: 277+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-27 7:08 [RFC] [PATCH] Device Tree on ARM platform Janboe Ye
2009-05-27 14:27 ` Grant Likely
2009-05-27 14:27 ` Grant Likely
2009-05-27 14:39 ` Timur Tabi
2009-05-27 15:05 ` Robert Schwebel
2009-05-27 15:05 ` Robert Schwebel
2009-05-27 15:39 ` Grant Likely
2009-05-27 15:39 ` Grant Likely
2009-05-27 16:20 ` Robert Schwebel
2009-05-27 16:20 ` Robert Schwebel
2009-05-27 20:35 ` Grant Likely
2009-05-27 20:35 ` Grant Likely
2009-05-27 23:48 ` Robert Schwebel
2009-05-27 23:48 ` Robert Schwebel
2009-05-27 23:52 ` David Miller
2009-05-27 23:52 ` David Miller
2009-05-27 23:58 ` Scott Wood [this message]
2009-05-27 23:58 ` Scott Wood
2009-05-28 0:02 ` David Miller
2009-05-28 0:02 ` David Miller
2009-05-28 0:07 ` Robert Schwebel
2009-05-28 0:07 ` Robert Schwebel
2009-05-28 0:15 ` David Miller
2009-05-28 0:15 ` David Miller
2009-05-28 10:37 ` Mark Brown
2009-05-28 10:37 ` Mark Brown
2009-05-28 22:32 ` Grant Likely
2009-05-28 22:32 ` Grant Likely
2009-05-29 12:34 ` Mark Brown
2009-05-30 9:52 ` Benjamin Herrenschmidt
2009-05-30 9:52 ` Benjamin Herrenschmidt
2009-05-30 10:21 ` Russell King - ARM Linux
2009-05-30 10:21 ` Russell King - ARM Linux
2009-05-30 17:56 ` Mark Brown
2009-05-30 17:56 ` Mark Brown
2009-06-02 7:57 ` Holger Schurig
2009-06-02 9:48 ` Mark Brown
2009-06-02 9:48 ` Mark Brown
2009-05-28 2:57 ` David Gibson
2009-05-28 2:57 ` David Gibson
2009-05-28 3:36 ` Grant Likely
2009-05-28 3:36 ` Grant Likely
2009-05-28 3:29 ` Grant Likely
2009-05-28 3:29 ` Grant Likely
2009-05-28 9:51 ` Wolfgang Denk
2009-05-28 9:59 ` David Miller
2009-05-28 9:59 ` David Miller
2009-05-28 10:13 ` Robert Schwebel
2009-05-28 10:13 ` Robert Schwebel
2009-05-28 13:33 ` Jon Smirl
2009-05-28 13:33 ` Jon Smirl
2009-05-28 13:42 ` Robert Schwebel
2009-05-28 13:42 ` Robert Schwebel
2009-05-28 9:38 ` Wolfgang Denk
2009-05-28 3:21 ` Grant Likely
2009-05-28 3:21 ` Grant Likely
2009-05-28 3:16 ` Grant Likely
2009-05-28 3:16 ` Grant Likely
2009-05-28 0:55 ` Stephen Neuendorffer
2009-05-28 0:55 ` Stephen Neuendorffer
2009-05-27 18:56 ` Alexander Clouter
2009-05-27 20:46 ` Grant Likely
2009-05-27 20:46 ` Grant Likely
2009-05-27 21:32 ` Alexander Clouter
2009-05-27 21:32 ` Alexander Clouter
2009-05-28 14:29 ` Dmitry Eremin-Solenikov
2009-05-27 15:41 ` Peter Korsgaard
2009-05-27 15:41 ` Peter Korsgaard
2009-05-27 16:23 ` Scott Wood
2009-05-27 16:23 ` Scott Wood
2009-05-27 17:56 ` Russell King
2009-05-27 17:56 ` Russell King
2009-05-27 19:08 ` Scott Wood
2009-05-27 19:08 ` Scott Wood
2009-05-27 19:13 ` Jon Smirl
2009-05-27 19:13 ` Jon Smirl
2009-05-27 19:21 ` Russell King - ARM Linux
2009-05-27 19:21 ` Russell King - ARM Linux
2009-05-27 19:39 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 19:39 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:22 ` Grant Likely
2009-05-27 20:22 ` Grant Likely
2009-05-27 20:19 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:19 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:54 ` Grant Likely
2009-05-27 20:54 ` Grant Likely
2009-05-28 3:04 ` David Gibson
2009-05-28 3:04 ` David Gibson
2009-05-28 7:58 ` Benjamin Herrenschmidt
2009-05-28 7:58 ` Benjamin Herrenschmidt
2009-05-27 23:57 ` Robert Schwebel
2009-05-27 23:57 ` Robert Schwebel
2009-05-28 0:00 ` David Miller
2009-05-28 0:00 ` David Miller
2009-05-28 3:21 ` Grant Likely
2009-05-28 3:21 ` Grant Likely
2009-05-28 6:34 ` Wolfram Sang
2009-05-28 6:34 ` Wolfram Sang
2009-05-28 7:55 ` Benjamin Herrenschmidt
2009-05-28 7:55 ` Benjamin Herrenschmidt
2009-05-28 13:34 ` Grant Likely
2009-05-28 13:34 ` Grant Likely
2009-05-28 7:48 ` Benjamin Herrenschmidt
2009-05-28 7:48 ` Benjamin Herrenschmidt
2009-05-28 14:22 ` Ben Dooks
2009-05-27 20:28 ` David Miller
2009-05-27 20:28 ` David Miller
2009-05-27 20:31 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:31 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-28 2:52 ` David Gibson
2009-05-28 2:52 ` David Gibson
2009-05-28 4:27 ` David Miller
2009-05-28 4:27 ` David Miller
2009-05-28 4:47 ` David Gibson
2009-05-28 4:47 ` David Gibson
2009-05-28 5:31 ` David Miller
2009-05-28 5:31 ` David Miller
2009-05-28 5:47 ` David Gibson
2009-05-28 5:47 ` David Gibson
2009-05-28 7:47 ` Benjamin Herrenschmidt
2009-05-28 7:47 ` Benjamin Herrenschmidt
2009-05-28 14:17 ` Ben Dooks
2009-05-28 14:24 ` Robert Schwebel
2009-05-28 14:47 ` Grant Likely
2009-05-28 14:47 ` Grant Likely
2009-05-27 19:29 ` Russell King
2009-05-27 19:29 ` Russell King
2009-05-27 19:47 ` Sergei Shtylyov
2009-05-27 19:53 ` Scott Wood
2009-05-27 19:53 ` Scott Wood
2009-05-27 19:54 ` Timur Tabi
2009-05-27 19:54 ` Timur Tabi
2009-05-27 20:25 ` David Miller
2009-05-27 20:25 ` David Miller
2009-05-27 20:27 ` Timur Tabi
2009-05-27 20:27 ` Timur Tabi
2009-05-27 20:55 ` David Miller
2009-05-27 20:55 ` David Miller
2009-05-27 23:26 ` Robert Schwebel
2009-05-27 23:26 ` Robert Schwebel
2009-05-27 20:35 ` M. Warner Losh
2009-05-27 20:14 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:14 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:23 ` David Miller
2009-05-27 20:23 ` David Miller
[not found] ` <20090527.132328.78091350.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2009-05-27 20:27 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:27 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-27 20:27 ` Jean-Christophe PLAGNIOL-VILLARD
[not found] ` <20090527202701.GA16219-RQcB7r2h9QmfDR2tN2SG5Ni2O/JbrIOy@public.gmane.org>
2009-05-27 20:48 ` Josh Boyer
2009-05-27 20:48 ` Josh Boyer
2009-05-27 20:48 ` Josh Boyer
2009-05-27 20:56 ` David Miller
2009-05-27 20:56 ` David Miller
2009-05-27 20:56 ` David Miller
2009-05-27 20:52 ` Mark Brown
2009-05-27 20:52 ` Mark Brown
2009-05-27 21:05 ` Grant Likely
2009-05-27 21:05 ` Grant Likely
2009-05-28 0:11 ` Jon Smirl
2009-05-28 0:11 ` Jon Smirl
2009-05-28 12:43 ` Sascha Hauer
2009-05-28 12:43 ` Sascha Hauer
2009-05-28 13:18 ` Thomas Gleixner
2009-05-28 15:04 ` Sascha Hauer
2009-05-28 15:04 ` Sascha Hauer
2009-05-28 15:27 ` Thomas Gleixner
2009-05-28 15:27 ` Thomas Gleixner
2009-05-29 0:51 ` Benjamin Herrenschmidt
2009-05-29 0:51 ` Benjamin Herrenschmidt
2009-05-29 7:52 ` Sascha Hauer
2009-05-29 7:52 ` Sascha Hauer
2009-05-29 9:08 ` Benjamin Herrenschmidt
2009-05-29 9:08 ` Benjamin Herrenschmidt
2009-05-31 10:52 ` Russell King - ARM Linux
2009-05-31 10:52 ` Russell King - ARM Linux
2009-05-28 14:31 ` Grant Likely
2009-05-28 14:31 ` Grant Likely
2009-05-28 3:25 ` David Gibson
2009-05-28 3:25 ` David Gibson
2009-05-28 8:10 ` Benjamin Herrenschmidt
2009-05-28 8:10 ` Benjamin Herrenschmidt
2009-05-28 7:38 ` Benjamin Herrenschmidt
2009-05-28 7:38 ` Benjamin Herrenschmidt
2009-05-27 20:43 ` Grant Likely
2009-05-27 20:43 ` Grant Likely
2009-05-28 7:37 ` Benjamin Herrenschmidt
2009-05-28 7:37 ` Benjamin Herrenschmidt
2009-05-28 9:15 ` Russell King - ARM Linux
2009-05-28 9:15 ` Russell King - ARM Linux
2009-05-28 9:57 ` David Miller
2009-05-28 9:57 ` David Miller
2009-05-28 10:11 ` Benjamin Herrenschmidt
2009-05-28 10:11 ` Benjamin Herrenschmidt
2009-05-28 10:33 ` Robert Schwebel
2009-05-28 10:34 ` Russell King - ARM Linux
2009-05-28 10:34 ` Russell King - ARM Linux
2009-05-28 22:33 ` Benjamin Herrenschmidt
2009-05-28 22:33 ` Benjamin Herrenschmidt
2009-05-28 10:14 ` Russell King - ARM Linux
2009-05-28 10:14 ` Russell King - ARM Linux
2009-05-28 21:30 ` David Miller
2009-05-28 21:30 ` David Miller
2009-05-28 12:17 ` Dmitry Eremin-Solenikov
2009-05-28 12:48 ` David Gibson
2009-05-28 12:48 ` David Gibson
2009-05-28 12:55 ` David Gibson
2009-05-28 12:55 ` David Gibson
2009-05-28 14:13 ` Grant Likely
2009-05-28 14:13 ` Grant Likely
2009-05-28 16:53 ` Russell King - ARM Linux
2009-05-28 16:53 ` Russell King - ARM Linux
2009-05-28 17:05 ` Grant Likely
2009-05-28 18:46 ` Alexander Clouter
2009-05-28 18:46 ` Alexander Clouter
2009-05-28 22:21 ` Benjamin Herrenschmidt
2009-05-28 22:21 ` Benjamin Herrenschmidt
2009-05-29 1:39 ` David Gibson
2009-05-29 1:39 ` David Gibson
2009-05-29 1:59 ` Mitch Bradley
2009-05-29 1:59 ` Mitch Bradley
2009-05-29 3:52 ` Benjamin Herrenschmidt
2009-05-29 3:52 ` Benjamin Herrenschmidt
2009-05-29 4:11 ` David Miller
2009-05-29 4:11 ` David Miller
2009-05-29 4:11 ` David Miller
2009-05-29 4:11 ` David Miller
2009-05-29 4:56 ` Benjamin Herrenschmidt
2009-05-29 4:56 ` Benjamin Herrenschmidt
2009-05-29 5:11 ` David Miller
2009-05-29 5:11 ` David Miller
2009-05-28 10:00 ` Benjamin Herrenschmidt
2009-05-28 10:00 ` Benjamin Herrenschmidt
2009-05-28 11:44 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-28 11:44 ` Jean-Christophe PLAGNIOL-VILLARD
2009-05-28 12:47 ` Jon Smirl
2009-05-28 12:47 ` Jon Smirl
2009-05-28 14:39 ` Grant Likely
2009-05-28 14:39 ` Grant Likely
2009-05-28 14:54 ` Grant Likely
2009-05-28 14:54 ` Grant Likely
2009-05-27 18:26 ` Peter Korsgaard
2009-05-27 16:32 ` Mark Brown
2009-05-27 18:50 ` Jon Smirl
2009-05-27 22:24 ` Mark Brown
2009-05-27 22:24 ` Mark Brown
2009-05-28 0:04 ` Jon Smirl
2009-05-28 0:04 ` Jon Smirl
2009-05-28 13:07 ` Mark Brown
2009-05-27 20:42 ` Grant Likely
2009-05-27 20:42 ` Grant Likely
2009-05-27 21:38 ` Mark Brown
2009-05-27 21:38 ` Mark Brown
2009-05-28 3:02 ` David Gibson
2009-05-28 3:02 ` David Gibson
2009-05-28 7:32 ` Benjamin Herrenschmidt
2009-05-28 7:32 ` Benjamin Herrenschmidt
2009-05-28 13:38 ` Grant Likely
2009-05-28 13:38 ` Grant Likely
2009-05-27 22:01 ` Mitch Bradley
2009-05-27 22:01 ` Mitch Bradley
2009-05-28 8:17 ` Benjamin Herrenschmidt
2009-05-28 8:17 ` Benjamin Herrenschmidt
2009-05-28 12:43 ` Holger Schurig
2009-05-28 13:12 ` Mark Brown
2009-05-27 17:44 ` Russell King
2009-05-27 17:44 ` Russell King
2009-05-27 17:52 ` Grant Likely
2009-05-27 17:52 ` Grant Likely
2009-05-28 3:44 ` David Gibson
2009-05-28 3:44 ` David Gibson
2009-05-30 11:22 ` Pavel Machek
2009-05-31 1:29 ` Kyle Moffett
2009-05-31 5:56 ` David Miller
2009-06-01 8:37 ` Dmitry Eremin-Solenikov
2009-05-31 10:08 ` Russell King - ARM Linux
2009-06-01 9:24 ` Stephen Rothwell
2009-06-01 10:36 ` Janboe Ye
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4A1DD3A0.3010501@freescale.com \
--to=scottwood@freescale.com \
--cc=devicetree-discuss@ozlabs.org \
--cc=grant.likely@secretlab.ca \
--cc=linux-arm-kernel@lists.arm.linux.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=r.schwebel@pengutronix.de \
--cc=rmk@arm.linux.org.uk \
--cc=timur@freescale.com \
--cc=yuan-bo.ye@motorola.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.