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From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/6] arm: vt8500: Remove gpio devicetree nodes
Date: Wed, 13 Mar 2013 16:26:53 +0000	[thread overview]
Message-ID: <201303131626.53571.arnd@arndb.de> (raw)
In-Reply-To: <CACRpkdYbtH7jJqmXT-SHKy8qbzbNntSwnJwS1+PR7brTJ3ijiw@mail.gmail.com>

On Wednesday 13 March 2013, Linus Walleij wrote:
> > -               gpio: gpio-controller at d8110000 {
> > -                       compatible = "via,vt8500-gpio";
> > -                       gpio-controller;
> > -                       reg = <0xd8110000 0x10000>;
> > -                       #gpio-cells = <3>;
> > -               };
> 
> Whopeedo. If I understand the fine devicetree folks you may
> remove this stuff from the devicetree, but the code in the new
> pin control driver should still be backward-compatible with
> devicetrees that look like this.
> 
> It's not like I care, just noting that this is the philosophy around
> such things.

Right. For brand new code that does not have a lot of users, we can
be more pragmatic though. If you are sure enough that it does not
break for any existing users, we can change the binding. This may
well be the case for vt8500.

	Arnd

  reply	other threads:[~2013-03-13 16:26 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-09  5:39 [PATCH 0/6] arm: vt8500: Add support for pinctrl/gpio module Tony Prisk
2013-03-09  5:39 ` [PATCH 1/6] arm: vt8500: Increase available GPIOs on arch-vt8500 Tony Prisk
2013-03-11 16:38   ` Russell King - ARM Linux
2013-03-12  4:04     ` Tony Prisk
2013-03-09  5:39 ` [PATCH 2/6] pinctrl: gpio: vt8500: Add pincontrol driver for arch-vt8500 Tony Prisk
2013-03-11 16:44   ` Stephen Warren
2013-03-12  4:21     ` [Bulk] " Tony Prisk
2013-03-13 14:29       ` Linus Walleij
2013-03-13 19:08         ` Tony Prisk
2013-03-13 19:13           ` Linus Walleij
2013-03-14  5:59             ` Tony Prisk
2013-03-27  8:40               ` Linus Walleij
2013-03-13 16:11   ` Linus Walleij
2013-03-13 18:26     ` Stephen Warren
2013-03-13 18:52       ` Linus Walleij
2013-03-13 18:59         ` Tony Prisk
2013-03-13 19:00     ` Tony Prisk
2013-03-09  5:39 ` [PATCH 3/6] arm: dts: vt8500: Update Wondermedia SoC dtsi files for pinctrl driver Tony Prisk
2013-03-11 16:46   ` Stephen Warren
2013-03-12  4:10     ` Tony Prisk
2013-03-09  5:39 ` [PATCH 4/6] arm: vt8500: Remove gpio devicetree nodes Tony Prisk
2013-03-13 16:14   ` Linus Walleij
2013-03-13 16:26     ` Arnd Bergmann [this message]
2013-03-09  5:39 ` [PATCH 5/6] gpio: vt8500: Remove arch-vt8500 gpio driver Tony Prisk
2013-03-09  5:39 ` [PATCH 6/6] arm: vt8500: Remove pinmux configuration from mach-vt8500/vt8500.c Tony Prisk

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