linux-kernel - Re: [PATCH] drivers: misc: add gpio wakeup driver

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Date:	Wed, 2 Oct 2013 11:57:23 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Daniel Mack <zonque@...il.com>
Cc:	Fabio Estevam <festevam@...il.com>, linux-gpio@...r.kernel.org,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] drivers: misc: add gpio wakeup driver

On Tue, Oct 01, 2013 at 04:05:07PM +0200, Daniel Mack wrote:
> On 01.10.2013 16:01, Fabio Estevam wrote:

> > Isn't it the same as the existing 'gpio-key,wakeup' ?

> Of course, I know the gpio-input driver can provide similar
> functionality. My intention was just provide a way to wake up the system
> without registering an input device for signals nobody is interested in
> eventually.

> Don't know if that's reason enough to add a new driver though.

It does seem somewhat sensible - the signal might not have a sensible
representation as an input device and the gpio-keys binding needs one.

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