From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver Date: Wed, 26 Dec 2018 22:16:32 +0100 Message-ID: <20181226211631.GA4946@amd> References: <20181217004450.GW6707@atomide.com> <20181223103315.GA1936@amd> <20181223111059.GB1936@amd> <20181223155147.GI6707@atomide.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="IS0zKkzwUGydFO0o" Return-path: Content-Disposition: inline In-Reply-To: <20181223155147.GI6707@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Jarkko Nikula , Johan Hovold , Kuninori Morimoto , Marcel Partap , Merlijn Wajer , Michael Scott , NeKit , omerlle@gmail.com, Sebastian Reichel , Peter Ujfalusi , Rob Herring List-Id: linux-omap@vger.kernel.org --IS0zKkzwUGydFO0o Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > root@devuan:/my/ko# ls -al /dev/ttyS0 > > crw-rw---- 1 root dialout 4, 64 Dec 23 11:52 /dev/ttyS0 > >=20 > > but not gsm multiplex: > >=20 > > root@devuan:/my/ko# ls -al /dev/gsm* > > ls: cannot access '/dev/gsm*': No such file or directory >=20 > Hmm with serdev you should not get /dev/ttyS0, so maybe you're missing: >=20 > CONFIG_SERIAL_DEV_BUS=3Dy > CONFIG_SERIAL_DEV_CTRL_TTYPORT=3Dy >=20 > Probably the Kconfig dependency should be for SERIAL_DEV_CTRL_TTYPORT > instead of SERIAL_DEV_BUS in these patches if that helps. >=20 > Or else you're missing the serdev related dts changes? Seems like I was missing the dts changes. I was using kexec (did not want to replace a working kernel) and that seems to use the old dtb. gnss0 now seems to work, and I do get some kind of replies from the AT modem. Thanks! I'll reply to the original email with bad news and more details... Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --IS0zKkzwUGydFO0o Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlwj768ACgkQMOfwapXb+vJ9CQCfYe4a1fhaF+W1nM3FIYaeAG29 Y4MAoIF+v1qMrBQr3jNJUGBrovViO21v =7SMq -----END PGP SIGNATURE----- --IS0zKkzwUGydFO0o--