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From: "Pali Rohár" <pali.rohar@gmail.com>
To: Frank Rowand <frowand.list@gmail.com>
Cc: "Tony Lindgren" <tony@atomide.com>,
	"Arnd Bergmann" <arnd@arndb.de>, "Pavel Machek" <pavel@ucw.cz>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"Russell King - ARM Linux" <linux@arm.linux.org.uk>,
	"Laura Abbott" <lauraa@codeaurora.org>,
	"Grant Likely" <grant.likely@linaro.org>,
	"Rob Herring" <robherring2@gmail.com>,
	"Will Deacon" <will.deacon@arm.com>,
	"Ivaylo Dimitrov" <ivo.g.dimitrov.75@gmail.com>,
	"Sebastian Reichel" <sre@debian.org>,
	"Andreas Färber" <afaerber@suse.de>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry
Date: Thu, 26 Nov 2015 10:07:39 +0100	[thread overview]
Message-ID: <20151126090739.GD14190@pali> (raw)
In-Reply-To: <56568849.5080103@gmail.com>

On Wednesday 25 November 2015 20:19:21 Frank Rowand wrote:
> > Or populate /proc/atags only for the ones that need it from machine
> > specific init_early?
> 
> This is circling back to the first comment from Russell King where
> he suggested a legacy file for the N900 which calls save_atags():
> 
>     Are the ATAGs at a fixed address on the N900?  Can that be handled in
>     some kind of legacy file for the N900 which calls save_atags() on it, so
>     we don't end up introducing yet more stuff that we have to maintain into
>     the distant future?  If not, what about copying a known working atag
>     structure into a legacy file for the N900?
> 
> It seems to me that patches 1, 2, 4, and 5 could be replaced by this
> approach.

Hi Frank, in this case I will ask my question again: It is possible to
read atags from that legacy file. And if yes how? I was not thinking
about this approach because somebody in past wrote that this is not
possible...

-- 
Pali Rohár
pali.rohar@gmail.com

WARNING: multiple messages have this Message-ID (diff)
From: pali.rohar@gmail.com (Pali Rohár)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry
Date: Thu, 26 Nov 2015 10:07:39 +0100	[thread overview]
Message-ID: <20151126090739.GD14190@pali> (raw)
In-Reply-To: <56568849.5080103@gmail.com>

On Wednesday 25 November 2015 20:19:21 Frank Rowand wrote:
> > Or populate /proc/atags only for the ones that need it from machine
> > specific init_early?
> 
> This is circling back to the first comment from Russell King where
> he suggested a legacy file for the N900 which calls save_atags():
> 
>     Are the ATAGs at a fixed address on the N900?  Can that be handled in
>     some kind of legacy file for the N900 which calls save_atags() on it, so
>     we don't end up introducing yet more stuff that we have to maintain into
>     the distant future?  If not, what about copying a known working atag
>     structure into a legacy file for the N900?
> 
> It seems to me that patches 1, 2, 4, and 5 could be replaced by this
> approach.

Hi Frank, in this case I will ask my question again: It is possible to
read atags from that legacy file. And if yes how? I was not thinking
about this approach because somebody in past wrote that this is not
possible...

-- 
Pali Roh?r
pali.rohar at gmail.com

  reply	other threads:[~2015-11-26  9:08 UTC|newest]

Thread overview: 160+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-06 20:26 [PATCH 0/5] ATAGs to DT patches Pali Rohár
2015-07-06 20:26 ` Pali Rohár
2015-07-06 20:26 ` [PATCH 1/5] arm: devtree: Set system_rev from DT "/revision" Pali Rohár
2015-07-06 20:26   ` Pali Rohár
2015-07-06 20:26   ` Pali Rohár
2015-12-24 19:02   ` Pali Rohár
2015-12-24 19:02     ` Pali Rohár
2015-12-24 19:02     ` Pali Rohár
2015-12-28 21:01     ` Frank Rowand
2015-12-28 21:01       ` Frank Rowand
2015-12-28 21:01       ` Frank Rowand
2015-12-28 22:27       ` Arnd Bergmann
2015-12-28 22:27         ` Arnd Bergmann
2015-12-28 22:27         ` Arnd Bergmann
2016-01-05 11:37         ` Pali Rohár
2016-01-05 11:37           ` Pali Rohár
2016-01-05 11:37           ` Pali Rohár
2016-01-05 11:37           ` Pali Rohár
2016-01-05 11:45           ` Arnd Bergmann
2016-01-05 11:45             ` Arnd Bergmann
2016-01-05 11:45             ` Arnd Bergmann
2016-02-05 18:15             ` [PATCH] ARM: RX51: Set system_rev from ATAGS Ivaylo Dimitrov
2016-02-05 18:15               ` Ivaylo Dimitrov
2016-02-08 20:48               ` Tony Lindgren
2016-02-08 20:48                 ` Tony Lindgren
2016-02-08 21:10               ` Pali Rohár
2016-02-08 21:10                 ` Pali Rohár
2016-02-09 16:17                 ` Tony Lindgren
2016-02-09 16:17                   ` Tony Lindgren
2016-02-10 18:23                   ` [PATCH v1] " Ivaylo Dimitrov
2016-02-10 18:23                     ` Ivaylo Dimitrov
2016-02-11  0:19                     ` Tony Lindgren
2016-02-11  0:19                       ` Tony Lindgren
2015-07-06 20:26 ` [PATCH 2/5] arm: boot: convert ATAG_REVISION to DT "/revision" entry Pali Rohár
2015-07-06 20:26   ` Pali Rohár
2015-07-06 20:26   ` Pali Rohár
2015-07-06 20:26 ` [PATCH 3/5] arm: atags: Fix declaration of function save_atags Pali Rohár
2015-07-06 20:26   ` Pali Rohár
2015-07-06 20:26 ` [PATCH 4/5] arm: devtree: Read ATAGs structure from DT "/chosen/linux,atags" entry Pali Rohár
2015-07-06 20:26   ` [PATCH 4/5] arm: devtree: Read ATAGs structure from DT "/chosen/linux, atags" entry Pali Rohár
2015-07-06 20:26 ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Pali Rohár
2015-07-06 20:26   ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Pali Rohár
2015-07-07 11:32   ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Russell King - ARM Linux
2015-07-07 11:32     ` Russell King - ARM Linux
2015-07-07 11:58     ` Pali Rohár
2015-07-07 11:58       ` Pali Rohár
2015-07-13 13:19       ` Tony Lindgren
2015-07-13 13:19         ` Tony Lindgren
2015-10-12 20:16         ` Tony Lindgren
2015-10-12 20:16           ` Tony Lindgren
2015-10-12 20:25           ` Pali Rohár
2015-10-12 20:25             ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Pali Rohár
2015-10-12 20:45             ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Tony Lindgren
2015-10-12 20:45               ` Tony Lindgren
2015-10-13 14:37               ` Pali Rohár
2015-10-13 14:37                 ` Pali Rohár
2015-11-05 11:40                 ` Pali Rohár
2015-11-05 11:40                   ` Pali Rohár
2015-11-05 16:17                   ` Tony Lindgren
2015-11-05 16:17                     ` Tony Lindgren
2015-11-12  1:10                     ` Frank Rowand
2015-11-12  1:10                       ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Frank Rowand
2015-11-22  6:51                       ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Pavel Machek
2015-11-22  6:51                         ` Pavel Machek
2015-11-23 14:45                         ` Pali Rohár
2015-11-23 14:45                           ` Pali Rohár
2015-11-23 14:45                           ` Pali Rohár
2015-11-25 18:16                           ` Tony Lindgren
2015-11-25 18:16                             ` Tony Lindgren
2015-11-25 18:16                             ` Tony Lindgren
2015-11-25 19:48                             ` Arnd Bergmann
2015-11-25 19:48                               ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Arnd Bergmann
2015-11-25 21:03                               ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Tony Lindgren
2015-11-25 21:03                                 ` Tony Lindgren
2015-11-25 21:03                                 ` Tony Lindgren
2015-11-25 21:29                                 ` Arnd Bergmann
2015-11-25 21:29                                   ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Arnd Bergmann
2015-11-25 21:44                                   ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Pali Rohár
2015-11-25 21:44                                     ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Pali Rohár
2015-11-25 21:44                                     ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Pali Rohár
2015-11-25 21:51                                     ` Arnd Bergmann
2015-11-25 21:51                                       ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Arnd Bergmann
2015-11-25 22:00                                       ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Pali Rohár
2015-11-25 22:00                                         ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Pali Rohár
2015-11-26  4:19                                 ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Frank Rowand
2015-11-26  4:19                                   ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Frank Rowand
2015-11-26  9:07                                   ` Pali Rohár [this message]
2015-11-26  9:07                                     ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Pali Rohár
2015-11-26 20:39                                     ` Tony Lindgren
2015-11-26 20:39                                       ` Tony Lindgren
2015-11-26 20:39                                       ` Tony Lindgren
2015-11-26 21:12                                       ` Ivaylo Dimitrov
2015-11-26 21:12                                         ` Ivaylo Dimitrov
2015-11-27  8:38                                       ` Pali Rohár
2015-11-27  8:38                                         ` Pali Rohár
2015-11-27  8:44                                         ` Michael Trimarchi
2015-11-27  8:44                                           ` Michael Trimarchi
2015-11-27  8:44                                           ` Michael Trimarchi
2015-11-27  8:52                                           ` Michael Trimarchi
2015-11-27  8:52                                             ` Michael Trimarchi
2015-11-27 14:51                                         ` Tony Lindgren
2015-11-27 14:51                                           ` Tony Lindgren
2015-11-27 13:27                                     ` Russell King - ARM Linux
2015-11-27 13:27                                       ` Russell King - ARM Linux
2015-11-27 19:51                                       ` Russell King - ARM Linux
2015-11-27 19:51                                         ` Russell King - ARM Linux
2015-11-27 19:51                                         ` Russell King - ARM Linux
2015-11-27 21:06                                         ` Arnd Bergmann
2015-11-27 21:06                                           ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Arnd Bergmann
2015-11-27 23:28                                           ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Nicolas Pitre
2015-11-27 23:28                                             ` Nicolas Pitre
2015-11-27 23:28                                             ` Nicolas Pitre
2015-11-28 12:27                                             ` Arnd Bergmann
2015-11-28 12:27                                               ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Arnd Bergmann
2015-11-28 12:27                                               ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Arnd Bergmann
2015-11-28 12:54                                               ` Russell King - ARM Linux
2015-11-28 12:54                                                 ` Russell King - ARM Linux
2015-11-28 12:54                                                 ` Russell King - ARM Linux
2015-11-28 12:33                                             ` Russell King - ARM Linux
2015-11-28 12:33                                               ` Russell King - ARM Linux
2015-11-28 17:34                                               ` Nicolas Pitre
2015-11-28 17:34                                                 ` Nicolas Pitre
2015-11-28 21:02                                                 ` Frank Rowand
2015-11-28 21:02                                                   ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Frank Rowand
2015-11-28 21:02                                                   ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Frank Rowand
2015-11-29 18:09                                                 ` Russell King - ARM Linux
2015-11-29 18:09                                                   ` Russell King - ARM Linux
2015-11-29 18:09                                                   ` Russell King - ARM Linux
2015-11-29 18:19                                                   ` Pali Rohár
2015-11-29 18:19                                                     ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Pali Rohár
2015-11-29 23:13                                                     ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Russell King - ARM Linux
2015-11-29 23:13                                                       ` Russell King - ARM Linux
2015-11-30  0:09                                                   ` Nicolas Pitre
2015-11-30  0:09                                                     ` Nicolas Pitre
2015-11-30  0:15                                                     ` Pali Rohár
2015-11-30  0:15                                                       ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Pali Rohár
2015-11-30  0:15                                                       ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Pali Rohár
2015-11-30 15:23                                                       ` Tony Lindgren
2015-11-30 15:23                                                         ` Tony Lindgren
2015-11-30 15:23                                                         ` Tony Lindgren
2015-11-30 15:39                                                         ` Pali Rohár
2015-11-30 15:39                                                           ` Pali Rohár
2015-11-30 15:39                                                           ` Pali Rohár
2015-11-30 16:09                                                           ` Nicolas Pitre
2015-11-30 16:09                                                             ` Nicolas Pitre
2015-12-15  9:33                                                             ` Pali Rohár
2015-12-15  9:33                                                               ` Pali Rohár
2015-12-15 11:04                                                               ` Arnd Bergmann
2015-12-15 11:04                                                                 ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux, atags" entry Arnd Bergmann
2015-12-15 12:20                                                               ` [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Russell King - ARM Linux
2015-12-15 12:20                                                                 ` Russell King - ARM Linux
2015-12-15 17:24                                                                 ` Nicolas Pitre
2015-12-15 17:24                                                                   ` Nicolas Pitre
2015-12-15 17:24                                                                   ` Nicolas Pitre
2015-12-23 14:54                                                                 ` Ivaylo Dimitrov
2015-12-23 14:54                                                                   ` Ivaylo Dimitrov
2015-11-28  4:06 ` [PATCH 0/5] ATAGs to DT patches Frank Rowand
2015-11-28  4:06   ` Frank Rowand
2015-11-28  5:55   ` Frank Rowand
2015-11-28  5:55     ` Frank Rowand

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