linux-kernel - Re: [PATCH] leds: leds-gpio: Convert gpio_blink

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Message-ID: <545843B1.3020101@nvidia.com>
Date:	Tue, 4 Nov 2014 12:10:41 +0900
From:	Alexandre Courbot <acourbot@...dia.com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH] leds: leds-gpio: Convert gpio_blink_set() to use GPIO
 descriptors

On 10/31/2014 08:40 PM, Mika Westerberg wrote:
> Commit 21f2aae91e902aad ("leds: leds-gpio: Add support for GPIO
> descriptors") already converted most of the driver to use GPIO descriptors.
> What is still missing is the platform specific hook gpio_blink_set() and
> board files which pass legacy GPIO numbers to this driver in platform data.
>
> In this patch we handle the former and convert gpio_blink_set() to take
> GPIO descriptor instead. In order to do this we convert the existing four
> users to accept GPIO descriptor and translate it to legacy GPIO number in
> the platform code. This effectively "pushes" legacy GPIO number usage from
> the driver to platforms.
>
> Also add comment to the remaining block describing that it is legacy code
> path and we are getting rid of it eventually.
>
> Suggested-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Acked-by: Alexandre Courbot <acourbot@...dia.com>
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