linux-kernel - Re: [PATCH v4 05/22] gpio: Probe GPIO drivers on demand

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Message-ID: <CACRpkdZssaXik5XWZLoFXZWKWMsVWppOO85Q9QaXyHiaLUMWAA@mail.gmail.com>
Date:	Fri, 25 Sep 2015 10:01:24 -0700
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Mark Brown <broonie@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	Alexandre Courbot <gnurou@...il.com>
Subject: Re: [PATCH v4 05/22] gpio: Probe GPIO drivers on demand

On Mon, Sep 7, 2015 at 5:23 AM, Tomeu Vizoso <tomeu.vizoso@...labora.com> wrote:

> When looking up a gpiochip through its firmware node, probe it if it
> hasn't already.
>
> The goal is to reduce deferred probes to a minimum, as it makes it very
> cumbersome to find out why a device failed to probe, and can introduce
> very big delays in when a critical device is probed.
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> ---
>
> Changes in v4: None
> Changes in v3: None
> Changes in v2: None

Acked-by: Linus Walleij <linus.walleij@...aro.org>

That is if the whole thing goes in as-is for the GPIO parts.

Yours,
Linus Walleij
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