From: "Pali Rohár" <pali.rohar@gmail.com>
To: "Russell King - ARM Linux" <linux@arm.linux.org.uk>
Cc: Rob Herring <robherring2@gmail.com>,
Santosh Shilimkar <santosh.shilimkar@ti.com>,
Will Deacon <will.deacon@arm.com>,
Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
Sebastian Reichel <sre@debian.org>, Pavel Machek <pavel@ucw.cz>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible
Date: Wed, 18 Jun 2014 22:20:22 +0200 [thread overview]
Message-ID: <201406182220.22818@pali> (raw)
In-Reply-To: <20140618200053.GK32514@n2100.arm.linux.org.uk>
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On Wednesday 18 June 2014 22:00:54 Russell King - ARM Linux
wrote:
> On Wed, Jun 18, 2014 at 09:22:29PM +0200, Pali Rohár wrote:
> > So without this patch DT migration for Nokia N900 cannot be
> > done without breaking userspace - which is not
> > acceptable...
> >
> > Also I still did not know why DT kernel does not report
> > Revision number which is passed by bootloader via atags.
> > Any idea?
>
> It was a concious decision by the DT people to exclude most of
> the ATAGs which provide that information. Only memory
> information and command line ATAGs are merged into DT. Every
> other tag is ignored (as there's no place for it in DT.)
So how to read Revision and Serial number in DT based kernel?
--
Pali Rohár
pali.rohar@gmail.com
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WARNING: multiple messages have this Message-ID (diff)
From: pali.rohar@gmail.com (Pali Rohár)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible
Date: Wed, 18 Jun 2014 22:20:22 +0200 [thread overview]
Message-ID: <201406182220.22818@pali> (raw)
In-Reply-To: <20140618200053.GK32514@n2100.arm.linux.org.uk>
On Wednesday 18 June 2014 22:00:54 Russell King - ARM Linux
wrote:
> On Wed, Jun 18, 2014 at 09:22:29PM +0200, Pali Roh?r wrote:
> > So without this patch DT migration for Nokia N900 cannot be
> > done without breaking userspace - which is not
> > acceptable...
> >
> > Also I still did not know why DT kernel does not report
> > Revision number which is passed by bootloader via atags.
> > Any idea?
>
> It was a concious decision by the DT people to exclude most of
> the ATAGs which provide that information. Only memory
> information and command line ATAGs are merged into DT. Every
> other tag is ignored (as there's no place for it in DT.)
So how to read Revision and Serial number in DT based kernel?
--
Pali Roh?r
pali.rohar at gmail.com
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next prev parent reply other threads:[~2014-06-18 20:20 UTC|newest]
Thread overview: 197+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-18 16:54 [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible Pali Rohár
2014-06-18 16:54 ` Pali Rohár
2014-06-18 19:01 ` Russell King - ARM Linux
2014-06-18 19:01 ` Russell King - ARM Linux
2014-06-18 19:09 ` Pali Rohár
2014-06-18 19:09 ` Pali Rohár
2014-06-18 19:59 ` Russell King - ARM Linux
2014-06-18 19:59 ` Russell King - ARM Linux
2014-06-19 8:21 ` Pavel Machek
2014-06-19 8:21 ` Pavel Machek
2014-07-11 19:31 ` Pavel Machek
2014-07-11 19:31 ` Pavel Machek
2014-06-18 19:07 ` Rob Herring
2014-06-18 19:07 ` Rob Herring
2014-06-18 19:22 ` Pali Rohár
2014-06-18 19:22 ` Pali Rohár
2014-06-18 20:00 ` Russell King - ARM Linux
2014-06-18 20:00 ` Russell King - ARM Linux
2014-06-18 20:20 ` Pali Rohár [this message]
2014-06-18 20:20 ` Pali Rohár
2014-06-18 21:53 ` Fabio Estevam
2014-06-18 21:53 ` Fabio Estevam
2014-11-24 22:16 ` Pali Rohár
2014-11-24 22:16 ` Pali Rohár
2014-06-18 20:46 ` Rob Herring
2014-06-18 20:46 ` Rob Herring
2014-06-18 21:47 ` Russell King - ARM Linux
2014-06-18 21:47 ` Russell King - ARM Linux
2014-06-18 22:27 ` Rob Herring
2014-06-18 22:27 ` Rob Herring
2014-06-18 23:07 ` Russell King - ARM Linux
2014-06-18 23:07 ` Russell King - ARM Linux
2014-11-24 22:19 ` Pali Rohár
2014-11-24 22:19 ` Pali Rohár
2014-12-04 0:33 ` Rob Herring
2014-12-04 0:33 ` Rob Herring
2014-12-04 0:48 ` Pali Rohár
2014-12-04 0:48 ` Pali Rohár
2014-12-04 16:49 ` Rob Herring
2014-12-04 16:49 ` Rob Herring
2014-12-04 17:57 ` Pali Rohár
2014-12-04 17:57 ` Pali Rohár
2014-12-04 18:10 ` Rob Herring
2014-12-04 18:10 ` Rob Herring
2015-01-26 19:09 ` [PATCH] ARM: /proc/cpuinfo: DT: Add support for Revision Pali Rohár
2015-01-26 19:09 ` Pali Rohár
2015-01-26 20:22 ` Rob Herring
2015-01-26 20:22 ` Rob Herring
2015-01-30 14:14 ` Pali Rohár
2015-01-30 14:14 ` Pali Rohár
2015-01-30 21:03 ` Rob Herring
2015-01-30 21:03 ` Rob Herring
2015-02-27 15:45 ` Pali Rohár
2015-02-27 15:45 ` Pali Rohár
2015-02-27 15:55 ` [PATCH v2 0/2] " Pali Rohár
2015-02-27 15:55 ` Pali Rohár
2015-02-27 15:55 ` [PATCH v2 1/2] arm: devtree: Set system_rev from DT revision Pali Rohár
2015-02-27 15:55 ` Pali Rohár
2015-02-27 15:55 ` [PATCH v2 2/2] arm: boot: convert ATAG_REVISION to DT revision field Pali Rohár
2015-02-27 15:55 ` Pali Rohár
2015-03-02 11:28 ` [PATCH v2 0/2] ARM: /proc/cpuinfo: DT: Add support for Revision Pavel Machek
2015-03-02 11:28 ` Pavel Machek
2015-03-16 15:44 ` Tony Lindgren
2015-03-16 15:44 ` Tony Lindgren
2015-03-16 16:14 ` Russell King - ARM Linux
2015-03-16 16:14 ` Russell King - ARM Linux
2015-03-16 16:43 ` Nicolas Pitre
2015-03-16 16:43 ` Nicolas Pitre
2015-03-16 19:21 ` Russell King - ARM Linux
2015-03-16 19:21 ` Russell King - ARM Linux
2015-03-16 18:10 ` Tony Lindgren
2015-03-16 18:10 ` Tony Lindgren
2015-03-16 19:59 ` Russell King - ARM Linux
2015-03-16 19:59 ` Russell King - ARM Linux
2015-03-16 20:54 ` Pali Rohár
2015-03-16 20:54 ` Pali Rohár
2015-03-16 20:59 ` Tony Lindgren
2015-03-16 20:59 ` Tony Lindgren
2015-01-26 22:34 ` [PATCH] " Andreas Färber
2015-01-26 22:34 ` Andreas Färber
2015-02-27 15:56 ` Pali Rohár
2015-02-27 15:56 ` Pali Rohár
2015-01-26 19:16 ` [PATCH] ARM: /proc/atags: Export also for DT Pali Rohár
2015-01-26 19:16 ` Pali Rohár
2015-01-26 20:33 ` Rob Herring
2015-01-26 20:33 ` Rob Herring
2015-01-27 13:21 ` Pavel Machek
2015-01-27 13:21 ` Pavel Machek
2015-01-27 14:16 ` Rob Herring
2015-01-27 14:16 ` Rob Herring
2015-01-27 14:24 ` Pavel Machek
2015-01-27 14:24 ` Pavel Machek
2015-01-27 14:32 ` Pali Rohár
2015-01-27 14:32 ` Pali Rohár
2015-01-27 17:48 ` Russell King - ARM Linux
2015-01-27 17:48 ` Russell King - ARM Linux
2015-01-27 20:03 ` Nicolas Pitre
2015-01-27 20:03 ` Nicolas Pitre
2015-01-27 21:09 ` Russell King - ARM Linux
2015-01-27 21:09 ` Russell King - ARM Linux
2015-01-27 21:34 ` Nicolas Pitre
2015-01-27 21:34 ` Nicolas Pitre
2015-01-27 21:58 ` Nicolas Pitre
2015-01-27 21:58 ` Nicolas Pitre
2015-01-27 22:33 ` Russell King - ARM Linux
2015-01-27 22:33 ` Russell King - ARM Linux
2015-01-28 2:07 ` Nicolas Pitre
2015-01-28 2:07 ` Nicolas Pitre
2015-01-28 6:21 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 6:21 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 7:19 ` Pavel Machek
2015-01-28 7:19 ` Pavel Machek
2015-01-28 8:06 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 8:06 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 8:25 ` Pavel Machek
2015-01-28 8:25 ` Pavel Machek
2015-01-28 7:18 ` Pavel Machek
2015-01-28 7:18 ` Pavel Machek
2015-01-28 13:38 ` Pali Rohár
2015-01-28 13:38 ` Pali Rohár
2015-01-27 23:10 ` Pavel Machek
2015-01-27 23:10 ` Pavel Machek
2015-01-28 0:50 ` Tony Lindgren
2015-01-28 0:50 ` Tony Lindgren
2015-01-28 13:58 ` Pali Rohár
2015-01-28 13:58 ` Pali Rohár
2015-01-28 14:33 ` Nicolas Pitre
2015-01-28 15:39 ` Tony Lindgren
2015-01-28 15:39 ` Tony Lindgren
2015-01-28 15:47 ` Pali Rohár
2015-01-28 15:47 ` Pali Rohár
2015-01-28 15:48 ` Tony Lindgren
2015-01-28 15:48 ` Tony Lindgren
2015-01-28 16:31 ` Jason Cooper
2015-01-28 16:31 ` Jason Cooper
2015-01-28 15:57 ` Rob Herring
2015-01-28 15:57 ` Rob Herring
2015-01-28 16:13 ` Russell King - ARM Linux
2015-01-28 16:13 ` Russell King - ARM Linux
2015-01-28 16:19 ` Will Deacon
2015-01-28 16:19 ` Will Deacon
2015-01-28 17:01 ` Russell King - ARM Linux
2015-01-28 17:01 ` Russell King - ARM Linux
2015-01-28 17:29 ` Russell King - ARM Linux
2015-01-28 17:29 ` Russell King - ARM Linux
2015-01-28 17:18 ` Pali Rohár
2015-01-28 17:18 ` Pali Rohár
2015-01-28 18:00 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 18:00 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 19:33 ` Pali Rohár
2015-01-28 19:33 ` Pali Rohár
2015-01-28 18:03 ` Pavel Machek
2015-01-28 18:03 ` Pavel Machek
2015-01-28 19:27 ` Arnd Bergmann
2015-01-28 19:27 ` Arnd Bergmann
2015-01-28 14:46 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-28 14:46 ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-27 19:40 ` Nicolas Pitre
2015-01-27 19:40 ` Nicolas Pitre
2015-01-26 20:37 ` Russell King - ARM Linux
2015-01-26 20:37 ` Russell King - ARM Linux
2015-01-26 20:44 ` Pali Rohár
2015-01-26 20:44 ` Pali Rohár
2014-12-04 19:00 ` [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible Pali Rohár
2014-12-04 19:00 ` Pali Rohár
2014-12-04 10:59 ` Russell King - ARM Linux
2014-12-04 10:59 ` Russell King - ARM Linux
2014-06-18 21:10 ` Aaro Koskinen
2014-06-18 21:10 ` Aaro Koskinen
2014-07-11 19:28 ` Pavel Machek
2014-07-11 19:28 ` Pavel Machek
2014-11-24 22:21 ` Pali Rohár
2014-11-24 22:21 ` Pali Rohár
2014-09-05 11:38 ` Pali Rohár
2014-09-05 11:38 ` Pali Rohár
2014-09-05 12:13 ` Russell King - ARM Linux
2014-09-05 12:13 ` Russell King - ARM Linux
2014-09-10 12:46 ` Pavel Machek
2014-09-10 12:46 ` Pavel Machek
2014-11-24 22:23 ` Pali Rohár
2014-11-24 22:23 ` Pali Rohár
2014-09-05 13:45 ` Mark Rutland
2014-09-05 13:45 ` Mark Rutland
2014-09-05 13:52 ` Pali Rohár
2014-09-05 13:52 ` Pali Rohár
2014-09-05 13:58 ` Mark Rutland
2014-09-05 13:58 ` Mark Rutland
2014-11-24 22:25 ` Pali Rohár
2014-11-24 22:25 ` Pali Rohár
2014-09-05 13:58 ` Fabio Estevam
2014-09-05 13:58 ` Fabio Estevam
2014-11-24 22:27 ` Pali Rohár
2014-11-24 22:27 ` Pali Rohár
2014-09-06 15:34 ` Andreas Färber
2014-09-06 15:34 ` Andreas Färber
2014-11-24 22:29 ` Pali Rohár
2014-11-24 22:29 ` Pali Rohár
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