From: One Thousand Gnomes <gnomes-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
To: NeilBrown <neilb-l3A5Bk7waGM@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Peter Hurley
<peter-WaGBZJeGNqdsbIuE7sb01tBPR1lH4CV8@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Sebastian Reichel <sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Grant Likely
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Jiri Slaby <jslaby-AlSwsSmVLrQ@public.gmane.org>,
NeilBrown <neil-+NVA1uvv1dVBDLzU/O5InQ@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
GTA04 owners
<gta04-owner-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 2/2] misc: add a driver to power on/off UART attached devices.
Date: Sat, 20 Dec 2014 12:50:20 +0000 [thread overview]
Message-ID: <20141220125020.49d0bba0@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20141220000920.13943.50943.stgit-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
On Sat, 20 Dec 2014 11:09:21 +1100
NeilBrown <neilb-l3A5Bk7waGM@public.gmane.org> 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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next prev parent reply other threads:[~2014-12-20 12:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-20 0:09 [PATCH 0/2] tty slave devices support - version 2 NeilBrown
2014-12-20 0:09 ` [PATCH 1/2] TTY: add support for "tty slave" devices NeilBrown
[not found] ` <20141220000920.13943.22511.stgit-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2014-12-21 10:20 ` Sebastian Reichel
[not found] ` <20141221102017.GA18161-SfvFxonMDyemK9LvCR3Hrw@public.gmane.org>
2014-12-23 5:16 ` NeilBrown
2014-12-20 0:09 ` [PATCH 2/2] misc: add a driver to power on/off UART attached devices NeilBrown
[not found] ` <20141220000920.13943.50943.stgit-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2014-12-20 12:50 ` One Thousand Gnomes [this message]
2014-12-20 16:02 ` [Gta04-owner] " Christ van Willegen
[not found] ` <CA+Ot1Own-g=vjYhOygzVgNPspw6FgCHZqY8wQo31=ahf62E1gA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-23 3:17 ` NeilBrown
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