From: Arnd Bergmann <arnd@arndb.de>
To: Tony Lindgren <tony@atomide.com>
Cc: "Pali Rohár" <pali.rohar@gmail.com>,
"Pavel Machek" <pavel@ucw.cz>,
"Frank Rowand" <frowand.list@gmail.com>,
"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: Wed, 25 Nov 2015 22:29:53 +0100 [thread overview]
Message-ID: <3245119.krc4KB3uae@wuerfel> (raw)
In-Reply-To: <20151125210310.GT2517@atomide.com>
On Wednesday 25 November 2015 13:03:10 Tony Lindgren wrote:
> * Arnd Bergmann <arnd@arndb.de> [151125 11:50]:
> > On Wednesday 25 November 2015 10:16:44 Tony Lindgren wrote:
> > > At least I don't have better solutions in mind.
> >
> > I would be happier if we could restrict this as much as possible to the
> > boards that need it, as an opt-in. That way it doesn't become an ABI
> > for people that don't already rely in this information. How about
> > adding a check the code adds the linux,atags property to do it
> > only for a whitelist of board numbers?
>
> Or populate /proc/atags only for the ones that need it from machine
> specific init_early?
That would also address my main concern about /proc/atags, but still
leave the atags in /proc/device-tree/chosen/linux,atags, and it would
be bad if someone who currently uses /proc/atags changes their code
to use the other file instead of finding a proper solution.
Arnd
next prev parent reply other threads:[~2015-11-25 21:29 UTC|newest]
Thread overview: 68+ 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 ` [PATCH 1/5] arm: devtree: Set system_rev from DT "/revision" Pali Rohár
2015-12-24 19:02 ` Pali Rohár
2015-12-28 21:01 ` Frank Rowand
[not found] ` <5681A322.2090204-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-12-28 22:27 ` Arnd Bergmann
2016-01-05 11:37 ` Pali Rohár
2016-01-05 11:45 ` Arnd Bergmann
2016-02-05 18:15 ` [PATCH] ARM: RX51: Set system_rev from ATAGS Ivaylo Dimitrov
2016-02-08 20:48 ` Tony Lindgren
2016-02-08 21:10 ` Pali Rohár
2016-02-09 16:17 ` Tony Lindgren
2016-02-10 18:23 ` [PATCH v1] " Ivaylo Dimitrov
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 ` [PATCH 3/5] arm: atags: Fix declaration of function save_atags 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 " Pali Rohár
2015-07-07 11:32 ` Russell King - ARM Linux
2015-07-07 11:58 ` Pali Rohár
2015-07-13 13:19 ` Tony Lindgren
2015-10-12 20:16 ` Tony Lindgren
2015-10-12 20:25 ` Pali Rohár
2015-10-12 20:45 ` Tony Lindgren
2015-10-13 14:37 ` Pali Rohár
2015-11-05 11:40 ` Pali Rohár
2015-11-05 16:17 ` Tony Lindgren
2015-11-12 1:10 ` Frank Rowand
2015-11-22 6:51 ` Pavel Machek
2015-11-23 14:45 ` Pali Rohár
2015-11-25 18:16 ` Tony Lindgren
2015-11-25 19:48 ` Arnd Bergmann
2015-11-25 21:03 ` Tony Lindgren
2015-11-25 21:29 ` Arnd Bergmann [this message]
2015-11-25 21:44 ` Pali Rohár
2015-11-25 21:51 ` Arnd Bergmann
2015-11-25 22:00 ` Pali Rohár
2015-11-26 4:19 ` Frank Rowand
2015-11-26 9:07 ` Pali Rohár
2015-11-26 20:39 ` Tony Lindgren
2015-11-26 21:12 ` Ivaylo Dimitrov
2015-11-27 8:38 ` Pali Rohár
2015-11-27 8:44 ` Michael Trimarchi
2015-11-27 8:52 ` Michael Trimarchi
2015-11-27 14:51 ` Tony Lindgren
2015-11-27 13:27 ` Russell King - ARM Linux
[not found] ` <20151127132722.GA30871-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2015-11-27 19:51 ` Russell King - ARM Linux
2015-11-27 21:06 ` Arnd Bergmann
2015-11-27 23:28 ` Nicolas Pitre
[not found] ` <alpine.LFD.2.20.1511271817230.22569-fMhRO7WWcppj+hNMo8g0rg@public.gmane.org>
2015-11-28 12:27 ` Arnd Bergmann
2015-11-28 12:54 ` Russell King - ARM Linux
2015-11-28 12:33 ` Russell King - ARM Linux
2015-11-28 17:34 ` Nicolas Pitre
[not found] ` <alpine.LFD.2.20.1511281232440.22569-fMhRO7WWcppj+hNMo8g0rg@public.gmane.org>
2015-11-28 21:02 ` Frank Rowand
2015-11-29 18:09 ` Russell King - ARM Linux
2015-11-29 18:19 ` Pali Rohár
2015-11-29 23:13 ` Russell King - ARM Linux
2015-11-30 0:09 ` Nicolas Pitre
[not found] ` <alpine.LFD.2.20.1511291902100.22569-fMhRO7WWcppj+hNMo8g0rg@public.gmane.org>
2015-11-30 0:15 ` Pali Rohár
2015-11-30 15:23 ` Tony Lindgren
[not found] ` <20151130152352.GY2517-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2015-11-30 15:39 ` Pali Rohár
2015-11-30 16:09 ` Nicolas Pitre
2015-12-15 9:33 ` Pali Rohár
2015-12-15 11:04 ` Arnd Bergmann
2015-12-15 12:20 ` Russell King - ARM Linux
[not found] ` <20151215122038.GI30871-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2015-12-15 17:24 ` Nicolas Pitre
2015-12-23 14:54 ` Ivaylo Dimitrov
2015-11-28 4:06 ` [PATCH 0/5] ATAGs to DT patches Frank Rowand
2015-11-28 5:55 ` Frank Rowand
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