linux-kernel - Re: [RFC PATCH v2] gpiolib-acpi: Add ACPI5 event model support to gpio.

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Date:	Tue, 29 Jan 2013 11:47:36 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mathias Nyman <mathias.nyman@...ux.intel.com>
Cc:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	grant.likely@...retlab.ca, linux-acpi@...r.kernel.org,
	Zhang Rui <rui.zhang@...el.com>, tianyu.lan@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2] gpiolib-acpi: Add ACPI5 event model support to gpio.

On Mon, Jan 28, 2013 at 3:23 PM, Mathias Nyman
<mathias.nyman@...ux.intel.com> wrote:

> Add ability to handle ACPI events signalled by GPIO interrupts.
>
> ACPI5 platforms can use GPIO signaled ACPI events. These GPIO interrupts are
> handled by ACPI event methods which need to be called from the GPIO
> controller's interrupt handler. acpi_gpio_request_interrupt() finds out which
> gpio pins have acpi event methods and assigns interrupt handlers that calls
> the acpi event methods for those pins.
>
> Partially based on work by Rui Zhang <rui.zhang@...el.com>
>
> Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>

OK I am pleased with this, patch applied!

Yours,
Linus Walleij
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