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From: "Pali Rohár" <pali.rohar@gmail.com>
To: "Russell King - ARM Linux" <linux@arm.linux.org.uk>
Cc: Rob Herring <robherring2@gmail.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>,
	Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH] ARM: /proc/atags: Export also for DT
Date: Mon, 26 Jan 2015 21:44:09 +0100	[thread overview]
Message-ID: <201501262144.09223@pali> (raw)
In-Reply-To: <20150126203751.GK26493@n2100.arm.linux.org.uk>

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On Monday 26 January 2015 21:37:51 Russell King - ARM Linux 
wrote:
> On Mon, Jan 26, 2015 at 08:16:52PM +0100, Pali Rohár wrote:
> > This patch will cause that decompressor store full ATAG
> > structure into
> 
> > DT tree ("/atags"):
> How about something a little more radical.
> 
> Rather than trying to squeeze various ATAGs into DT, why don't
> we add a standard ATAG to contain the DT and pass that
> through into the kernel. This is IMHO how we _should_ have
> done the ATAG compatibility from the start.
> 
> That means we could get rid of most of the libfdt in the
> decompressor, and instead resolve the differences in the
> kernel.

This sounds good. Now when I patched decompressor myself with 
Revision property support, I wanted to ask same question: Why to 
convert some part from ATAGs to DT instead to pass both ATAGs and 
DT to 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/atags: Export also for DT
Date: Mon, 26 Jan 2015 21:44:09 +0100	[thread overview]
Message-ID: <201501262144.09223@pali> (raw)
In-Reply-To: <20150126203751.GK26493@n2100.arm.linux.org.uk>

On Monday 26 January 2015 21:37:51 Russell King - ARM Linux 
wrote:
> On Mon, Jan 26, 2015 at 08:16:52PM +0100, Pali Roh?r wrote:
> > This patch will cause that decompressor store full ATAG
> > structure into
> 
> > DT tree ("/atags"):
> How about something a little more radical.
> 
> Rather than trying to squeeze various ATAGs into DT, why don't
> we add a standard ATAG to contain the DT and pass that
> through into the kernel. This is IMHO how we _should_ have
> done the ATAG compatibility from the start.
> 
> That means we could get rid of most of the libfdt in the
> decompressor, and instead resolve the differences in the
> kernel.

This sounds good. Now when I patched decompressor myself with 
Revision property support, I wanted to ask same question: Why to 
convert some part from ATAGs to DT instead to pass both ATAGs and 
DT to kernel?

-- 
Pali Roh?r
pali.rohar at gmail.com
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  reply	other threads:[~2015-01-26 20:44 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
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 [this message]
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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