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[209.132.180.67]) by mx.google.com with ESMTP id 65-v6si13614659plb.573.2018.03.25.15.57.02; Sun, 25 Mar 2018 15:57:18 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751903AbeCYW4A (ORCPT + 99 others); Sun, 25 Mar 2018 18:56:00 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:49190 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751002AbeCYWz6 (ORCPT ); Sun, 25 Mar 2018 18:55:58 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 9736980383; Mon, 26 Mar 2018 00:55:56 +0200 (CEST) Date: Mon, 26 Mar 2018 00:55:56 +0200 From: Pavel Machek To: Tony Lindgren Cc: Dan Williams , Sebastian Reichel , Kishon Vijay Abraham I , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, Mark Rutland , Marcel Partap , Michael Scott , Rob Herring Subject: Re: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4 Message-ID: <20180325225556.GA18141@amd> References: <20180323105455.GB21644@amd> <20180323113521.45va72bhzis6ym6m@earth.universe> <20180323201343.GC23658@amd> <20180324142517.GA94954@atomide.com> <20180324200224.GA17857@amd> <20180325154512.GC5700@atomide.com> <20180325185857.GA7582@amd> <20180325205232.GD5700@atomide.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="mYCpIKhGyMATD0i+" Content-Disposition: inline In-Reply-To: <20180325205232.GD5700@atomide.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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). > > >=20 > > > Is that to dial a voice call? > >=20 > > Yes. And it is ATD123; not ATD. >=20 > 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. >=20 > With qcserial module loaded after qmi_wwan, it still takes > a long time for ModemManager to find the modem. >=20 > Then unrelated to the qcserial module, also looks like I can > no longer use the GPS with ModemManager: >=20 > $ mmcli -m 0 --enable > $ mmcli -m 0 --location-enable-gps-raw >=20 > 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 >=20 > And lsof shows /usr/libexec/qmi-proxy having it open. >=20 > 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 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --mYCpIKhGyMATD0i+ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlq4KPwACgkQMOfwapXb+vLlXQCfW69Yooxx1KfGR/ikR+B4U4Rr KHAAnjdk+rTRZRKE4r7qSkPmUV9MZpI8 =U8HG -----END PGP SIGNATURE----- --mYCpIKhGyMATD0i+--