Date: Sat, 20 Dec 2014 12:50:20 +0000
From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: NeilBrown <neilb@suse.de>
Cc: Mark Rutland <mark.rutland@arm.com>,
        Peter Hurley <peter@hurleysoftware.com>, Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Sebastian Reichel <sre@kernel.org>,
        Grant Likely <grant.likely@linaro.org>, Jiri Slaby <jslaby@suse.cz>,
        NeilBrown <neil@brown.name>, devicetree@vger.kernel.org,
        GTA04 owners <gta04-owner@goldelico.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] misc: add a driver to power on/off UART attached
 devices.
Message-ID: <20141220125020.49d0bba0@lxorguk.ukuu.org.uk>
In-Reply-To: <20141220000920.13943.50943.stgit@notabene.brown>
References: <20141219235827.13943.45713.stgit@notabene.brown>
	<20141220000920.13943.50943.stgit@notabene.brown>
Organization: Intel Corporation
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Sender: linux-kernel-owner@vger.kernel.org

On Sat, 20 Dec 2014 11:09:21 +1100
NeilBrown <neilb@suse.de> wrote:

> If a platform has a particular device permanently attached to a UART,
> there may be out-of-band signaling necessary to power the device
> on and off.
> 
> This drive controls that signalling for a number of different devices.
> It can
>  - enable/disable a regulator
>  - toggle a GPIO
>  - register an 'rfkill' which can for the device to be off.
> 
> When the rfkill is absent of unblocked, the device will be on when the
> associated tty device is open, and closed otherwise.
> 

Looks sound to me. Would drivers/tty/slave/.. be a better place for
these to collect up than "misc" ?

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