linux-kernel - Re: [PATCHv6 0/6] n_gsm serdev support and GNSS driver for droid4

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Message-ID: <20200501145252.GC37466@atomide.com>
Date:   Fri, 1 May 2020 07:52:52 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Pavel Machek <pavel@...x.de>, Stephen Boyd <swboyd@...omium.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Johan Hovold <johan@...nel.org>, Rob Herring <robh@...nel.org>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Lee Jones <lee.jones@...aro.org>, Jiri Slaby <jslaby@...e.cz>,
        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: [PATCHv6 0/6] n_gsm serdev support and GNSS driver for droid4

* Pavel Machek <pavel@...x.de> [200430 22:27]:
> 
> > My guess is that at least with the pending ofono patches, we just
> > want to use the raw interface for /dev/gsmtty* interface and stop
> > pretending we have a modem that is AT compatible.
> 
> I tried to get it to work... it was not fun and I did not get far.

OK. Yeah it's now 2020 and still dealing with serial port stuff :)

> I pushed my results...
> 
> user@...uan:/my/ofono$ git push
> Counting objects: 10, done.
> Delta compression using up to 2 threads.
> Compressing objects: 100% (10/10), done.
> Writing objects: 100% (10/10), 1.17 KiB | 0 bytes/s, done.
> Total 10 (delta 8), reused 0 (delta 0)
> remote: Resolving deltas: 100% (8/8), completed with 8 local objects.
> To github.com:pavelmachek/ofono.git
>    fd34ca20..9042014b  mux-v1.29-1 -> mux-v1.29-1

OK :) I still need to update the ALSA related patches on top
of this $subject series.

Also what I've noticed is that modprobe n_gsm debug=0xff hex output is
currently broken since commit 091cb0994edd ("lib/hexdump: make
print_hex_dump_bytes() a nop on !DEBUG builds"). Reverting the commit
fixes it.

Stephen, any ideas what should be changed to fix it?

Regards,

Tony