linux-kernel - Re: [EXAMPLE PATCH] pinctrl: add pinctrl driver for Rockchip SoCs

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Message-ID: <51B619B9.8040204@wwwdotorg.org>
Date:	Mon, 10 Jun 2013 12:23:53 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	Heiko Stübner <heiko@...ech.de>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Patrice Chotard <patrice.chotard.st@...il.com>
Subject: Re: [EXAMPLE PATCH] pinctrl: add pinctrl driver for Rockchip SoCs

On 06/10/2013 07:00 AM, Linus Walleij wrote:
> On Sun, Jun 9, 2013 at 2:01 AM, Heiko Stübner <heiko@...ech.de> wrote:
> 
> (...)
>> +#include <linux/irqchip/chained_irq.h>
>> +#include <linux/clk-provider.h>
>> +#include <dt-bindings/pinctrl/rockchip.h>
> 
> Hm I don't know if we're supposed to do things like this actually.
> 
> It depends on whether the <dt-bindings/*> hierarchy is supposed
> to stay in the kernel after the device trees are moved out to a
> separate repo.
> 
> Grant/Rob, shall we do this in drivers?

The entire reason I created the <dt-bindings/> directory (rather than
just putting *.h into e.g. arch/arm/boot/dts) was to provide a place to
share binding-defined constants between the DT files and drivers that
implement that binding. It's certainly my opinion that if/when *.dts
move out of the kernel, the <dt-bindings/> directory should continue to
be present in the kernel, and take updates mirrored from the upstream
binding repo.
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