linux-kernel - Re: [PATCH 2/3] pinctrl: intel: Allow requesting pins which are in ACPI mode as GPIOs

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Message-ID: <CACRpkdYRc96HEAsUSryMu3v2-p9siN+3WR3oTXK1N9ExXRUuYA@mail.gmail.com>
Date:	Tue, 27 Oct 2015 13:31:25 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH 2/3] pinctrl: intel: Allow requesting pins which are in
 ACPI mode as GPIOs

On Wed, Oct 21, 2015 at 12:08 PM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:

> Reserved for ACPI actually means that in such case the GPIO hardware will
> not update the interrupt status register (GPI_IS) even if the pin is
> configured to trigger an interrupt. It will update GPI_GPE_STS instead and
> does not trigger an interrupt.
>
> Allow using such pins as GPIOs, only prevent their usage as interrupts.
>
> We also rename function intel_pad_reserved_for_acpi() to be
> intel_pad_acpi_mode() which reflects the actual meaning better.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Patch applied.

Yours,
Linus Walleij
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