From: Pavel Machek <pavel@ucw.cz>
To: "Dr. H. Nikolaus Schaller" <hns@goldelico.com>
Cc: NeilBrown <neilb@suse.de>,
List for communicating with real GTA04 owners
<gta04-owner@goldelico.com>, Mark Rutland <mark.rutland@arm.com>,
One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
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>,
devicetree@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [Gta04-owner] [PATCH 3/3] tty/slaves: add a driver to power on/off UART attached devices.
Date: Wed, 25 Mar 2015 21:42:02 +0100 [thread overview]
Message-ID: <20150325204202.GC381@amd> (raw)
In-Reply-To: <C091D3C1-CE79-469A-BEA4-25E03F6E9164@goldelico.com>
Hi!
> > In the case of our GPS, it receives control over the serial connection from
> > the UART,
>
> Ahem - does it?
>
> AFAIK the chip simply starts to emit NMEA records if powered on. There is no
> command going over the serial interface to address it or control it.
Well _most_ GPSes enable you to control them over the serial
line. (Things like sampling rate, AGPS data upload, ...)
> > I think the GPS is “primarily" a uart-attached device.
>
> But not in the same way as an I2C device.
>
> Especially the serial interface is not a bus and not used for signalling and
> power control. It is payload data (only).
Serial interface looks a lot like a (point-to-point) bus to
me. Similar to SATA, for example.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2015-03-25 20:42 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-18 5:58 [PATCH 0/3] tty slave device support - version 3 NeilBrown
2015-03-18 5:58 ` [PATCH 2/3] TTY: add support for tty_slave devices NeilBrown
2015-03-18 9:11 ` Paul Bolle
2015-03-22 3:32 ` NeilBrown
2015-03-20 19:41 ` Pavel Machek
2015-03-22 3:42 ` [Gta04-owner] " NeilBrown
[not found] ` <20150322144209.14abc603-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2015-03-22 7:58 ` Pavel Machek
2015-03-22 7:58 ` Pavel Machek
2015-03-24 10:31 ` Jiri Slaby
2015-03-30 23:45 ` NeilBrown
2015-03-25 16:30 ` Peter Hurley
2015-03-25 21:17 ` [Gta04-owner] " NeilBrown
2015-03-27 11:09 ` Peter Hurley
2015-03-31 0:33 ` NeilBrown
2015-03-18 5:58 ` [PATCH 3/3] tty/slaves: add a driver to power on/off UART attached devices NeilBrown
[not found] ` <20150318055831.21025.33670.stgit-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2015-03-20 7:54 ` [Gta04-owner] " Dr. H. Nikolaus Schaller
2015-03-20 7:54 ` Dr. H. Nikolaus Schaller
[not found] ` <C53A3E5D-5AEA-4F0F-88A9-F9BC8CB0D0D6-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-03-20 8:54 ` NeilBrown
2015-03-20 8:54 ` NeilBrown
2015-03-20 9:34 ` Dr. H. Nikolaus Schaller
[not found] ` <14FB51CF-9568-4BF4-B917-2C019D992FDB-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-03-20 19:50 ` Pavel Machek
2015-03-20 19:50 ` Pavel Machek
2015-03-20 23:31 ` NeilBrown
2015-03-24 17:58 ` Dr. H. Nikolaus Schaller
2015-03-25 1:45 ` Sebastian Reichel
2015-03-25 7:59 ` Dr. H. Nikolaus Schaller
2015-03-25 15:21 ` Sebastian Reichel
2015-03-25 16:44 ` Dr. H. Nikolaus Schaller
2015-03-26 18:08 ` Sebastian Reichel
2015-03-27 9:22 ` Dr. H. Nikolaus Schaller
2015-03-27 16:31 ` Sebastian Reichel
2015-03-27 17:11 ` Dr. H. Nikolaus Schaller
2015-04-27 20:35 ` Pavel Machek
2015-04-29 6:56 ` Dr. H. Nikolaus Schaller
2015-03-25 20:53 ` Pavel Machek
2015-03-25 21:25 ` Dr. H. Nikolaus Schaller
2015-03-25 21:25 ` Dr. H. Nikolaus Schaller
[not found] ` <1F3B5E32-1330-457C-AE25-791319293C38-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-03-26 5:56 ` Pavel Machek
2015-03-26 5:56 ` Pavel Machek
2015-03-26 6:44 ` Dr. H. Nikolaus Schaller
[not found] ` <365B2C25-1782-4ADE-B620-190A4CC5E8E3-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-04-04 7:52 ` Pavel Machek
2015-04-04 7:52 ` Pavel Machek
2015-03-25 20:42 ` Pavel Machek [this message]
2015-03-25 21:22 ` Dr. H. Nikolaus Schaller
2015-03-25 21:22 ` Dr. H. Nikolaus Schaller
2015-03-18 5:58 ` [PATCH 1/3] TTY: use class_find_device to find port in uart_suspend/resume NeilBrown
[not found] ` <20150318055831.21025.27864.stgit-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2015-03-25 16:20 ` Peter Hurley
2015-03-25 16:20 ` Peter Hurley
2015-03-29 21:49 ` [Gta04-owner] " NeilBrown
2015-03-20 7:54 ` [Gta04-owner] [PATCH 0/3] tty slave device support - version 3 Dr. H. Nikolaus Schaller
[not found] ` <80D7E742-4633-4CCD-B754-221387D82922-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-03-20 8:43 ` NeilBrown
2015-03-20 8:43 ` NeilBrown
2015-03-20 8:54 ` Dr. H. Nikolaus Schaller
2015-03-20 13:08 ` Sebastian Reichel
2015-03-20 13:57 ` Dr. H. Nikolaus Schaller
[not found] ` <72268D51-F993-497A-B4F9-707C8DB7155C-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-03-20 17:14 ` Sebastian Reichel
2015-03-20 17:14 ` Sebastian Reichel
2015-03-20 19:31 ` Pavel Machek
[not found] ` <20150318055437.21025.13990.stgit-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2015-05-05 19:54 ` Peter Hurley
2015-05-05 19:54 ` Peter Hurley
2015-05-05 20:46 ` NeilBrown
[not found] ` <55492001.30806-WaGBZJeGNqdsbIuE7sb01tBPR1lH4CV8@public.gmane.org>
2015-05-06 5:19 ` [Gta04-owner] " Dr. H. Nikolaus Schaller
2015-05-06 5:19 ` Dr. H. Nikolaus Schaller
[not found] ` <DE60E7AA-1BF4-4A68-9638-E09F85FD5C72-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-05-06 9:27 ` Pavel Machek
2015-05-06 9:27 ` Pavel Machek
2015-05-06 11:50 ` Dr. H. Nikolaus Schaller
2015-05-06 11:50 ` Dr. H. Nikolaus Schaller
2015-05-06 12:05 ` Peter Hurley
2015-05-06 12:27 ` Dr. H. Nikolaus Schaller
2015-05-06 12:27 ` Dr. H. Nikolaus Schaller
2015-05-06 12:36 ` Mark Rutland
2015-05-06 13:28 ` Dr. H. Nikolaus Schaller
2015-05-06 13:28 ` Dr. H. Nikolaus Schaller
2015-05-06 14:15 ` Mark Rutland
2015-05-06 16:09 ` Dr. H. Nikolaus Schaller
2015-05-06 17:18 ` Mark Rutland
2015-05-07 12:46 ` Dr. H. Nikolaus Schaller
2015-05-07 12:46 ` Dr. H. Nikolaus Schaller
2015-05-07 14:30 ` Peter Hurley
2015-05-07 15:11 ` Dr. H. Nikolaus Schaller
2015-05-07 16:18 ` Peter Hurley
2015-05-07 16:57 ` Dr. H. Nikolaus Schaller
[not found] ` <B4D487C5-C260-497B-A441-6C381D53616C-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-05-07 14:56 ` Peter Hurley
2015-05-07 14:56 ` Peter Hurley
[not found] ` <554B7D33.602-WaGBZJeGNqdsbIuE7sb01tBPR1lH4CV8@public.gmane.org>
2015-05-07 15:34 ` Dr. H. Nikolaus Schaller
2015-05-07 15:34 ` Dr. H. Nikolaus Schaller
2015-05-07 15:51 ` Peter Hurley
2015-05-07 16:46 ` Dr. H. Nikolaus Schaller
2015-05-13 8:09 ` Dr. H. Nikolaus Schaller
2015-06-03 11:49 ` [PATCH RFC 0/3] UART slave device support Dr. H. Nikolaus Schaller
[not found] ` <56C579D3-E8F8-4B5A-B6E8-993B113F3461-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-06-06 13:09 ` Pavel Machek
2015-06-06 13:09 ` Pavel Machek
[not found] ` <463356C5-E3C6-432C-A1C5-71F0287F1FEE@goldelico.com>
2015-06-03 12:09 ` [Gta04-owner] [PATCH RFC 3/3] misc: Add w2g0004 gps receiver driver Christ van Willegen
2015-05-07 15:37 ` [Gta04-owner] [PATCH 0/3] tty slave device support - version 3 Peter Hurley
[not found] ` <A2594559-CA92-40C2-A06A-AC2483E85CB1-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-05-06 14:28 ` Pavel Machek
2015-05-06 14:28 ` Pavel Machek
2015-05-06 16:12 ` Dr. H. Nikolaus Schaller
[not found] ` <C68A105A-7147-4143-9B91-1A239726A780-xXXSsgcRVICgSpxsJD1C4w@public.gmane.org>
2015-06-06 13:09 ` Pavel Machek
2015-06-06 13:09 ` Pavel Machek
2015-06-06 18:53 ` Belisko Marek
2015-06-06 18:55 ` Belisko Marek
2015-05-07 15:48 ` Rob Herring
2015-05-07 15:48 ` Rob Herring
2015-05-06 11:10 ` Peter Hurley
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150325204202.GC381@amd \
--to=pavel@ucw.cz \
--cc=arnd@arndb.de \
--cc=devicetree@vger.kernel.org \
--cc=gnomes@lxorguk.ukuu.org.uk \
--cc=grant.likely@linaro.org \
--cc=gregkh@linuxfoundation.org \
--cc=gta04-owner@goldelico.com \
--cc=hns@goldelico.com \
--cc=jslaby@suse.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=neilb@suse.de \
--cc=peter@hurleysoftware.com \
--cc=sre@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.