linux-kernel - Re: [PATCH v2 3/3] i2c / ACPI: Assign IRQ for devices that have GpioInt automatically

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Message-ID: <CACRpkdZtANrJ+_1iWbr1aJVRNisky9P7jP2J_NGW2oaxX4oJZw@mail.gmail.com>
Date:	Mon, 11 May 2015 11:59:12 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Wolfram Sang <wsa@...-dreams.de>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Alexandre Courbot <gnurou@...il.com>,
	Octavian Purdila <octavian.purdila@...el.com>,
	Robert Dolca <robert.dolca@...el.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>
Subject: Re: [PATCH v2 3/3] i2c / ACPI: Assign IRQ for devices that have
 GpioInt automatically

On Wed, May 6, 2015 at 12:29 PM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:

> Following what DT already does. If the device does not have ACPI Interrupt
> resource but instead it has one or more GpioInt resources listed below it,
> we take the first GpioInt resource, convert it to suitable Linux IRQ number
> and pass it to the driver instead.
>
> This makes drivers simpler because the don't need to care about GPIOs at
> all if only thing they need is interrupt.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Need Wolfram's ACK on this too, for funneling through the GPIO tree.

Yours,
Linus Walleij
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