linux-kernel - Re: [PATCH] gpiolib-acpi: introduce acpi_get_gpio_by

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Message-ID: <CACRpkdZKnLJbEqiWBmmTC+9yeSYgXryG0Na3BXqo1We1mRyTAg@mail.gmail.com>
Date:	Fri, 12 Apr 2013 00:33:55 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH] gpiolib-acpi: introduce acpi_get_gpio_by_index() helper

On Wed, Apr 3, 2013 at 12:56 PM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:

> Instead of open-coding ACPI GPIO resource lookup in each driver, we provide
> a helper function analogous to Device Tree version that allows drivers to
> specify which GPIO resource they are interested (using an index to the GPIO
> resources). The function then finds out the correct resource, translates
> the ACPI GPIO number to the corresponding Linux GPIO number and returns
> that.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Patch applied with Rafael's ACK and pushed.

Thanks,
Linus Walleij
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