linux-kernel - Re: [PATCH 9/9] gpio: tegra: Use module_platform

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Date:	Mon, 23 Sep 2013 21:25:53 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Thierry Reding <thierry.reding@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Wolfram Sang <wsa@...-dreams.de>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 9/9] gpio: tegra: Use module_platform_driver()

On Mon, Sep 16, 2013 at 10:32 AM, Thierry Reding
<thierry.reding@...il.com> wrote:
> With the driver core now resolving interrupt references at probe time,
> it is no longer necessary to force explicit probe ordering using
> initcalls.
>
> Signed-off-by: Thierry Reding <treding@...dia.com>
> ---
> Note that there are potentially many more drivers that can be switched
> to the generic module_*_driver() interfaces now that interrupts can be
> resolved later and deferred probe should be able to handle all the
> ordering issues.

Let me see if I get this right: so this would be all GPIO/pinctrl
drivers which are probed exclusively from the device tree
so anything that depends explicitly on CONFIG_OF would
be a candidate?

I think we have a bit of a problem that some drivers depend
only on a certain arch or compiles directly for a certain arch
without any specific Kconfig option so that this may be a
bit hard to spot, so we should keep an eye out for this
once this probing scheme is in place.

Yours,
Linus Walleij
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