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From: Pavel Machek <pavel@denx.de>
To: Tony Lindgren <tony@atomide.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Johan Hovold <johan@kernel.org>, Rob Herring <robh@kernel.org>,
	Alan Cox <gnomes@lxorguk.ukuu.org.uk>,
	Lee Jones <lee.jones@linaro.org>, Jiri Slaby <jslaby@suse.cz>,
	Merlijn Wajer <merlijn@wizzup.org>,
	Peter Hurley <peter@hurleysoftware.com>,
	Sebastian Reichel <sre@kernel.org>,
	linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCHv8 0/6] n_gsm serdev support and GNSS driver for droid4
Date: Wed, 13 May 2020 21:09:42 +0200
Message-ID: <20200513190942.GA2626@duo.ucw.cz> (raw)
In-Reply-To: <20200512214713.40501-1-tony@atomide.com>


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Hi!

> Here's the updated set of these patches fixed up for Johan's and
> Pavel's earlier comments.
> 
> This series does the following:
> 
> 1. Adds functions to n_gsm.c for serdev-ngsm.c driver to use
> 
> 2. Adds a generic serdev-ngsm.c driver that brings up the TS 27.010
>    TTY ports configured in devicetree with help of n_gsm.c
> 
> 3. Allows the use of standard Linux device drivers for dedicated
>    TS 27.010 channels for devices like GNSS and ALSA found on some
>    modems for example

> 4. Adds a gnss-motmdm consumer driver for the GNSS device found on
>    the Motorola Mapphone MDM6600 modem on devices like droid4

It does one thing ... it turns Droid 4 into useful phone! 

Thanks a lot. I believe these are same patches as in
droid4-pending-v5.7 branch, so whole series is

Tested-by: Pavel Machek <pavel@ucw.cz>

Getting this into 5.8 would be nice :-).

> Now without the chardev support, the /dev/gsmtty* using apps need
> to use "U1234AT+CFUN?" format for the packets. The advantage is
> less kernel code, and we keep the existing /dev/gsmtty* interface.
> 
> If we still really need the custom chardev support, that can now
> be added as needed with the channel specific consumer driver(s),
> but looks like this won't be needed based on Pavel's ofono work.

These work for me, and I have patched ofono with basic
functionality. It is no longer possible to use minicom for debugging,
but printf can be used instead, so that's not much of a problem.

I have adjusted ofono code, and moved away from normal AT support
code. More API changes would not be welcome :-).

Best regards,
								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 index

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-12 21:47 Tony Lindgren
2020-05-12 21:47 ` [PATCH 1/6] tty: n_gsm: Add support for serdev drivers Tony Lindgren
2020-05-13 19:24   ` Pavel Machek
2020-05-28  9:31   ` Johan Hovold
2020-05-12 21:47 ` [PATCH 2/6] dt-bindings: serdev: ngsm: Add binding for serdev-ngsm Tony Lindgren
2020-05-28  9:38   ` Johan Hovold
2020-05-12 21:47 ` [PATCH 3/6] dt-bindings: serdev: ngsm: Add binding for GNSS child node Tony Lindgren
2020-05-13 19:26   ` Pavel Machek
2020-05-27 19:28   ` Rob Herring
2020-05-28  9:51     ` Johan Hovold
2020-05-12 21:47 ` [PATCH 4/6] serdev: ngsm: Add generic serdev-ngsm driver Tony Lindgren
2020-05-28 12:43   ` Johan Hovold
2020-05-12 21:47 ` [PATCH 5/6] gnss: motmdm: Add support for Motorola Mapphone MDM6600 modem Tony Lindgren
2020-05-28 13:06   ` Johan Hovold
2020-05-28 23:38     ` Tony Lindgren
2020-05-12 21:47 ` [PATCH 6/6] ARM: dts: omap4-droid4: Configure modem for serdev-ngsm Tony Lindgren
2020-05-13 19:27   ` Pavel Machek
2020-05-13 19:09 ` Pavel Machek [this message]
2020-05-14 17:31   ` [PATCHv8 0/6] n_gsm serdev support and GNSS driver for droid4 Tony Lindgren
2020-05-22  9:17 ` Greg Kroah-Hartman
2020-05-25  7:44   ` Johan Hovold
2020-05-28  8:39 ` Johan Hovold
2020-05-28 12:57   ` Pavel Machek

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