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Mon, 9 Apr 2018 06:54:11 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:38758 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751652AbeDIKyL (ORCPT ); Mon, 9 Apr 2018 06:54:11 -0400 Date: Mon, 9 Apr 2018 12:54:07 +0200 From: Pavel Machek To: Tony Lindgren Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Alan Cox , Dan Williams , Jiri Prchal , Jiri Slaby , Marcel Partap , Merlijn Wajer , Michael Nazzareno Trimarchi , Michael Scott , Peter Hurley , Russ Gorby , Sascha Hauer , Sebastian Reichel Subject: Re: [PATCH 1/2] tty: n_gsm: Fix long delays with control frame timeouts in ADM mode Message-ID: <20180409105407.GA15315@amd> References: <20180407171951.122759-1-tony@atomide.com> <20180408090259.GA8185@amd> <20180408165038.GM5700@atomide.com> <20180408190600.GA24342@amd> <20180408235740.GN5700@atomide.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="opJtzjQTFsWo+cga" Content-Disposition: inline In-Reply-To: <20180408235740.GN5700@atomide.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-serial-owner@vger.kernel.org X-Mailing-List: linux-serial@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: --opJtzjQTFsWo+cga Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > > > Do you have a tool to use and a script? > > >=20 > > > Yes I used the shell script I posted earlier, but forgot it also > > > needs the ldattach done. > > >=20 > > > Anyways, last night and today I wrote a quick test utility called > > > droid4-ngsm that initializes things and I can use to do some > > > experiments to get the ts27010 channel proxying to W3GLTE also > > > going: > > >=20 > > > http://github.com/tmlind/droid4-ngsm/ > >=20 > > Ok, now i'm confused. It wants to bind to ttyS0, but modem is on > > ttyUSB4 AFAICT? Or is the modem connected to serial port, too? (Do I > > need to enable some more drivers for that?) > >=20 > > I do have ttyS0, but I don't think there's anything attached there. Or > > is ttyS0 for the LTE modem? >=20 > The ttyS0 is connected to mdm6600, and ttyUSB4 seems to be > some buggy subset of ttyS0 n_gsm dlci1. You need need at least > the following commits in current mainline kernel: >=20 > 984c7706ff18 ("ARM: dts: omap4-droid4: Configure uart1 pins") > e5b9fd7bdeb5 ("ARM: dts: omap4-droid4: Configure MDM6600 USB PHY") >=20 > And then you need PHY_MAPPHONE_MDM6600 and CONFIG_N_GSM enabled. Ok, I should have all that enabled. But droid4-ngsm still fails: user@devuan:/my/droid4-ngsm$ sudo ./droid4-ngsm Starting ngsm.. Testing ngsm.. Could not open /dev/gsmtty1: Level 2 halted Trying to start ngsm again: Level 2 halted Starting ngsm.. commit 984c7706ff180e33096c57183435d925cb644576 says: ARM: dts: omap4-droid4: Configure uart1 pins These are needed to use the n_gsm driver for TS 27.010 UART multiplexing. Note that support for the OOB wake gpio is still missing so the UART is not yet usable for n_gsm. =2E..am I still missing the OOB wake gpio support? Thanks, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --opJtzjQTFsWo+cga Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlrLRk8ACgkQMOfwapXb+vKUMACdGCs9We6jp5SjvzBz23cZ2XiO IgkAn3mi6W4S/ubHSvt/r2yNpMNHpTxQ =ijUg -----END PGP SIGNATURE----- --opJtzjQTFsWo+cga--