[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20141220125020.49d0bba0@lxorguk.ukuu.org.uk>
Date: Sat, 20 Dec 2014 12:50:20 +0000
From: One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To: NeilBrown <neilb@...e.de>
Cc: Mark Rutland <mark.rutland@....com>,
Peter Hurley <peter@...leysoftware.com>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Sebastian Reichel <sre@...nel.org>,
Grant Likely <grant.likely@...aro.org>,
Jiri Slaby <jslaby@...e.cz>, NeilBrown <neil@...wn.name>,
devicetree@...r.kernel.org,
GTA04 owners <gta04-owner@...delico.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] misc: add a driver to power on/off UART attached
devices.
On Sat, 20 Dec 2014 11:09:21 +1100
NeilBrown <neilb@...e.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" ?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists