linux-kernel - Re: [PATCH v3 4/6] gpio / ACPI: register to ACPI events automatically

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Message-ID: <CACRpkdZhw5At_X-mNkb3TmQ2n1hXc0FGWYAbkAVgxvzCw=xgtw@mail.gmail.com>
Date:	Tue, 7 Jan 2014 18:50:00 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Chris Ball <cjb@...top.org>,
	Johannes Berg <johannes@...solutions.net>,
	Rhyland Klein <rklein@...dia.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexandre Courbot <acourbot@...dia.com>,
	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	Rob Landley <rob@...dley.net>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 4/6] gpio / ACPI: register to ACPI events automatically

On Tue, Nov 26, 2013 at 11:05 AM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:

> Instead of asking each driver to register to ACPI events we can just call
> acpi_gpiochip_register_interrupts() for each chip that has an ACPI handle.
> The function checks chip->to_irq and if it is set to NULL (a GPIO driver
> that doesn't do interrupts) the function does nothing.
>
> We also add the a new header drivers/gpio/gpiolib.h that is used for
> functions internal to gpiolib and add ACPI GPIO chip registering functions
> to that header.
>
> Once that is done we can remove call to acpi_gpiochip_register_interrupts()
> from its only user, pinctrl-baytrail.c
>
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Two questions:

- Can you please rebase patches 3-6 on my GPIO tree "devel" branch?

- Can this patch be placed first? It does not seem to depend on the
  others, to to push dependent patches to the end of the series.

Yours,
Linus Walleij
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