linux-kernel - Re: [PATCH v2 0/3] Have Tegra's GPIO chip depend explicitly on the pinctrl device

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Date:	Thu, 13 Aug 2015 16:33:33 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	Kumar Gala <galak@...eaurora.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Grant Likely <grant.likely@...aro.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 0/3] Have Tegra's GPIO chip depend explicitly on the
 pinctrl device

On Tue, Jul 14, 2015 at 10:29:53AM +0200, Tomeu Vizoso wrote:
> Hello,
> 
> these three patches make sure that there's an explicit dependency from
> the GPIO chip in Tegra SoCs to the corresponding pinctrl device, without
> having duplicated gpio ranges.
> 
> By having an explicit dependency, we can do things such as probing the
> pinctrl device before the GPIO chip device to avoid deferred probes.
> 
> Thanks,
> 
> Tomeu
> 
> Changes in v2:
> - Don't defer probe if the pinctrl node is disabled
> - Remove outdated comment from the commit changelog
> 
> Tomeu Vizoso (3):
>   gpio: defer probe if pinctrl cannot be found
>   pinctrl: tegra: Only set the gpio range if needed
>   ARM: tegra: Add gpio-ranges property

Patches 2 and 3 applied to the Tegra tree. Linus, I've applied the
pinctrl patch to a separate branch, so we could use that to resolve
conflicts, should there be any.

Thierry

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