linux-kernel - Re: [PATCH 1/4] tty: n_gsm: Add support for serdev drivers

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Message-ID: <20200420215549.GA17489@amd>
Date:   Mon, 20 Apr 2020 23:55:49 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Lee Jones <lee.jones@...aro.org>, Jiri Slaby <jslaby@...e.cz>,
        Johan Hovold <johan@...nel.org>,
        Merlijn Wajer <merlijn@...zup.org>,
        Peter Hurley <peter@...leysoftware.com>,
        Sebastian Reichel <sre@...nel.org>,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org
Subject: Re: [PATCH 1/4] tty: n_gsm: Add support for serdev drivers

On Thu 2020-03-19 10:37:52, Tony Lindgren wrote:
> We can make use of serdev drivers to do simple device drivers for
> TS 27.010 chanels, and we can handle vendor specific protocols on top
> of TS 27.010 with serdev drivers.
> 
> So far this has been tested with Motorola droid4 where there is a custom
> packet numbering protocol on top of TS 27.010 for the MDM6600 modem.
> 
> I initially though about adding the serdev support into a separate file,
> but that will take some refactoring of n_gsm.c. And I'd like to have
> things working first. Then later on we might want to consider splitting
> n_gsm.c into three pieces for core, tty and serdev parts. And then maybe
> the serdev related parts can be just moved to live under something like
> drivers/tty/serdev/protocol/ngsm.c.
> 
> Signed-off-by: Tony Lindgren <tony@...mide.com>

Reviewed-by: Pavel Machek <pavel@....cz>

-- 
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