From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] clocksource: sunxi: Add new compatibles
Date: Tue, 4 Feb 2014 09:45:21 +0100 [thread overview]
Message-ID: <20140204084521.GH25625@lukather> (raw)
In-Reply-To: <52EFF96A.1020302@linaro.org>
Hi,
On Mon, Feb 03, 2014 at 09:17:46PM +0100, Daniel Lezcano wrote:
> On 02/03/2014 08:45 PM, Maxime Ripard wrote:
> >Hi Daniel,
> >
> >(Adding DT mailing-list in CC)
> >
> >On Mon, Feb 03, 2014 at 05:36:03PM +0100, Daniel Lezcano wrote:
> >>On 02/02/2014 02:37 PM, Maxime Ripard wrote:
> >>>The Allwinner A10 compatibles were following a slightly different compatible
> >>>patterns than the rest of the SoCs for historical reasons. Add compatibles
> >>>matching the other pattern to the timer driver for consistency, and keep the
> >>>older one for backward compatibility.
> >>
> >>Hi Maxime,
> >>
> >>is it really needed to keep the old pattern ?
> >
> >We agreed during the ARM Kernel Summit to consider the DT as a stable
> >ABI.
> >
> >While I'd be ok with removing the older ones, that also means that we
> >would break the boot of newer kernels with older DT, so yes, we
> >actually need to keep the old compatibles.
>
> Thanks for the clarification.
>
> So these old compatibles will stay there 'ad vitam aeternam', right ?
Except for what Rob told, yep, that was my feeling, but Gregory and I
seem to have a different interpretation of this rule :)
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20140204/418b5e4f/attachment-0001.sig>
WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Daniel Lezcano <daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/2] clocksource: sunxi: Add new compatibles
Date: Tue, 4 Feb 2014 09:45:21 +0100 [thread overview]
Message-ID: <20140204084521.GH25625@lukather> (raw)
In-Reply-To: <52EFF96A.1020302-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 1317 bytes --]
Hi,
On Mon, Feb 03, 2014 at 09:17:46PM +0100, Daniel Lezcano wrote:
> On 02/03/2014 08:45 PM, Maxime Ripard wrote:
> >Hi Daniel,
> >
> >(Adding DT mailing-list in CC)
> >
> >On Mon, Feb 03, 2014 at 05:36:03PM +0100, Daniel Lezcano wrote:
> >>On 02/02/2014 02:37 PM, Maxime Ripard wrote:
> >>>The Allwinner A10 compatibles were following a slightly different compatible
> >>>patterns than the rest of the SoCs for historical reasons. Add compatibles
> >>>matching the other pattern to the timer driver for consistency, and keep the
> >>>older one for backward compatibility.
> >>
> >>Hi Maxime,
> >>
> >>is it really needed to keep the old pattern ?
> >
> >We agreed during the ARM Kernel Summit to consider the DT as a stable
> >ABI.
> >
> >While I'd be ok with removing the older ones, that also means that we
> >would break the boot of newer kernels with older DT, so yes, we
> >actually need to keep the old compatibles.
>
> Thanks for the clarification.
>
> So these old compatibles will stay there 'ad vitam aeternam', right ?
Except for what Rob told, yep, that was my feeling, but Gregory and I
seem to have a different interpretation of this rule :)
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
next prev parent reply other threads:[~2014-02-04 8:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-02 13:37 [PATCH 1/2] clocksource: sunxi: Add new compatibles Maxime Ripard
2014-02-02 13:38 ` [PATCH 2/2] ARM: sunxi: dt: Convert to the new clocksource compatible Maxime Ripard
2014-02-03 16:36 ` [PATCH 1/2] clocksource: sunxi: Add new compatibles Daniel Lezcano
2014-02-03 19:45 ` Maxime Ripard
2014-02-03 19:45 ` Maxime Ripard
2014-02-03 20:11 ` Rob Herring
2014-02-03 20:11 ` Rob Herring
2014-02-04 8:41 ` Maxime Ripard
2014-02-04 8:41 ` Maxime Ripard
2014-02-03 20:17 ` Daniel Lezcano
2014-02-03 20:17 ` Daniel Lezcano
2014-02-04 8:13 ` Gregory CLEMENT
2014-02-04 8:13 ` Gregory CLEMENT
2014-02-04 8:45 ` Maxime Ripard [this message]
2014-02-04 8:45 ` Maxime Ripard
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=20140204084521.GH25625@lukather \
--to=maxime.ripard@free-electrons.com \
--cc=linux-arm-kernel@lists.infradead.org \
/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.