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From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
	Jarkko Nikula <jarkko.nikula@bitmer.com>,
	Johan Hovold <johan@kernel.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Marcel Partap <mpartap@gmx.net>,
	Merlijn Wajer <merlijn@wizzup.org>,
	Michael Scott <hashcode0f@gmail.com>, NeKit <nekit1000@gmail.com>,
	omerlle@gmail.com, Sebastian Reichel <sre@kernel.org>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	Rob Herring <robh@kernel.org>
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	[thread overview]
Message-ID: <20181226211631.GA4946@amd> (raw)
In-Reply-To: <20181223155147.GI6707@atomide.com>

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Hi!

> > root@devuan:/my/ko# ls -al /dev/ttyS0
> > crw-rw---- 1 root dialout 4, 64 Dec 23 11:52 /dev/ttyS0
> > 
> > but not gsm multiplex:
> > 
> > root@devuan:/my/ko# ls -al /dev/gsm*
> > ls: cannot access '/dev/gsm*': No such file or directory
> 
> Hmm with serdev you should not get /dev/ttyS0, so maybe you're missing:
> 
> CONFIG_SERIAL_DEV_BUS=y
> CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
> 
> Probably the Kconfig dependency should be for SERIAL_DEV_CTRL_TTYPORT
> instead of SERIAL_DEV_BUS in these patches if that helps.
> 
> 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
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <robh@kernel.org>, Marcel Partap <mpartap@gmx.net>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	omerlle@gmail.com, Merlijn Wajer <merlijn@wizzup.org>,
	linux-kernel@vger.kernel.org, Johan Hovold <johan@kernel.org>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	NeKit <nekit1000@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	Michael Scott <hashcode0f@gmail.com>,
	Sebastian Reichel <sre@kernel.org>,
	linux-omap@vger.kernel.org,
	Jarkko Nikula <jarkko.nikula@bitmer.com>
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	[thread overview]
Message-ID: <20181226211631.GA4946@amd> (raw)
In-Reply-To: <20181223155147.GI6707@atomide.com>


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Hi!

> > root@devuan:/my/ko# ls -al /dev/ttyS0
> > crw-rw---- 1 root dialout 4, 64 Dec 23 11:52 /dev/ttyS0
> > 
> > but not gsm multiplex:
> > 
> > root@devuan:/my/ko# ls -al /dev/gsm*
> > ls: cannot access '/dev/gsm*': No such file or directory
> 
> Hmm with serdev you should not get /dev/ttyS0, so maybe you're missing:
> 
> CONFIG_SERIAL_DEV_BUS=y
> CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
> 
> Probably the Kconfig dependency should be for SERIAL_DEV_CTRL_TTYPORT
> instead of SERIAL_DEV_BUS in these patches if that helps.
> 
> 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
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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  parent reply	other threads:[~2018-12-26 21:16 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-17  0:44 WIP Droid 4 voice calls, GNSS & PM with a TS 27.010 serdev driver Tony Lindgren
2018-12-17  0:44 ` Tony Lindgren
2018-12-18 12:46 ` Pavel Machek
2018-12-18 12:46   ` Pavel Machek
2018-12-18 15:36   ` Tony Lindgren
2018-12-18 15:36     ` Tony Lindgren
2018-12-18 20:22     ` Pavel Machek
2018-12-18 20:22       ` Pavel Machek
2018-12-18 21:53       ` Tony Lindgren
2018-12-18 21:53         ` Tony Lindgren
2019-01-16 13:48         ` Pavel Machek
2019-01-16 13:48           ` Pavel Machek
2019-01-17  2:54           ` Tony Lindgren
2019-01-17  2:54             ` Tony Lindgren
2019-01-17 12:51             ` Pavel Machek
2019-01-17 12:51               ` Pavel Machek
2018-12-22 23:05 ` Pavel Machek
2018-12-22 23:05   ` Pavel Machek
2018-12-23 10:33 ` Pavel Machek
2018-12-23 10:33   ` Pavel Machek
2018-12-23 11:10   ` Pavel Machek
2018-12-23 11:10     ` Pavel Machek
2018-12-23 15:51     ` Tony Lindgren
2018-12-23 15:51       ` Tony Lindgren
2018-12-23 19:59       ` Pavel Machek
2018-12-23 19:59         ` Pavel Machek
2018-12-26 21:16       ` Pavel Machek [this message]
2018-12-26 21:16         ` Pavel Machek
2018-12-27 10:16 ` Pavel Machek
2018-12-27 10:16   ` Pavel Machek
2018-12-28 19:31   ` Tony Lindgren
2018-12-28 19:31     ` Tony Lindgren
2018-12-28 20:46     ` Pavel Machek
2018-12-28 20:46       ` Pavel Machek
2018-12-28 22:28       ` Tony Lindgren
2018-12-28 22:28         ` Tony Lindgren
2018-12-28 23:25         ` Pavel Machek
2018-12-28 23:25           ` Pavel Machek
2018-12-28 23:34           ` Tony Lindgren
2018-12-28 23:34             ` Tony Lindgren
2018-12-31 22:20         ` Tony Lindgren
2018-12-31 22:20           ` Tony Lindgren
2019-01-16 13:58     ` Pavel Machek
2019-01-16 13:58       ` Pavel Machek
2019-01-16 14:59       ` Tony Lindgren
2019-01-16 14:59         ` Tony Lindgren
2019-01-16 15:09         ` Tony Lindgren
2019-01-16 15:09           ` Tony Lindgren
2019-01-16 23:06         ` Pavel Machek
2019-01-16 23:06           ` Pavel Machek

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