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

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Date:	Wed, 8 Jan 2014 12:22:24 +0200
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	Linus Walleij <linus.walleij@...aro.org>
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, Jan 07, 2014 at 06:50:00PM +0100, Linus Walleij wrote:
> 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?

Yes.

> - 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.

Sure - I'll post a rebased version in a moment.
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