From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: Dan Williams <dcbw@redhat.com>,
Sebastian Reichel <sre@kernel.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
Mark Rutland <mark.rutland@arm.com>,
Marcel Partap <mpartap@gmx.net>,
Michael Scott <michael.scott@linaro.org>,
Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4
Date: Mon, 26 Mar 2018 00:55:56 +0200 [thread overview]
Message-ID: <20180325225556.GA18141@amd> (raw)
In-Reply-To: <20180325205232.GD5700@atomide.com>
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Hi!
> > > > Hmm. Interesting. Anyway, for me ttyUSB4 is interesting, as it seems
> > > > to react to AT commands, and in particular reacts to ADT123; (; is
> > > > important).
> > >
> > > Is that to dial a voice call?
> >
> > Yes. And it is ATD123; not ATD.
>
> Strange, no semicolon is needed when using /dev/gsmtty to
> dial a voice call with my current pile of pending changes,
> just doing ATD123 dials..
Interesting. Maybe I made some mistake in experiment.
> Anyways, looks like qmi_wwan needs to be loaded before
> qcserial module, otherwise we get nine ttyUSB instances
> and ModemManager can't find any modems.
>
> With qcserial module loaded after qmi_wwan, it still takes
> a long time for ModemManager to find the modem.
>
> Then unrelated to the qcserial module, also looks like I can
> no longer use the GPS with ModemManager:
>
> $ mmcli -m 0 --enable
> $ mmcli -m 0 --location-enable-gps-raw
>
> And then chmod a+r /dev/cdc-wdm0 and pointing gpsd to use
> /dev/cdc-wdm0 used to work, but now it seems that gpsd
> can no longer read it. Trying to start gpsd manually produces:
Thanks for hints, it would not be bad to get gps working. But .. voice
calls. Those are important :-).
> # gpsd -b -n -N /dev/cdc-wdm0
> gpsd:ERROR: SER: /dev/cdc-wdm0 already opened by another process
> gpsd:ERROR: initial GPS device /dev/cdc-wdm0 open failed
> gpsd:ERROR: can't run with neither control socket nor devices open
>
> And lsof shows /usr/libexec/qmi-proxy having it open.
>
> Anybody know what I might be doing wrong? Sounds like something
> now needs to be done with qmi-proxy to get access to GPS?
Maybe kill the proxy and then look at cdc-wdm0 by hand? NMEA can be
parsed by hand... quite easily.
Good night,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2018-03-25 22:56 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 2:37 [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4 Tony Lindgren
2018-03-09 9:44 ` Pavel Machek
2018-03-09 14:52 ` Tony Lindgren
2018-03-22 13:55 ` Pavel Machek
2018-03-22 16:46 ` Tony Lindgren
2018-03-22 19:28 ` Pavel Machek
2018-03-22 22:23 ` Dan Williams
2018-03-23 10:54 ` Pavel Machek
2018-03-23 11:35 ` Sebastian Reichel
2018-03-23 20:13 ` Pavel Machek
2018-03-24 13:59 ` Dan Williams
2018-03-24 14:25 ` Tony Lindgren
2018-03-24 20:02 ` Pavel Machek
2018-03-25 15:45 ` Tony Lindgren
2018-03-25 18:58 ` Pavel Machek
2018-03-25 20:52 ` Tony Lindgren
2018-03-25 22:55 ` Pavel Machek [this message]
2018-03-26 0:22 ` Tony Lindgren
2018-03-26 0:30 ` Tony Lindgren
2018-03-26 15:16 ` Dan Williams
2018-03-27 0:45 ` Tony Lindgren
2018-03-29 19:44 ` Pavel Machek
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