linux-kernel - Re: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4

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Date:   Mon, 26 Mar 2018 17:45:31 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Dan Williams <dcbw@...hat.com>
Cc:     Pavel Machek <pavel@....cz>, Sebastian Reichel <sre@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Marcel Partap <mpartap@....net>,
        Michael Scott <michael.scott@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600
 on Droid 4

* Dan Williams <dcbw@...hat.com> [180326 15:18]:
> On Sun, 2018-03-25 at 13:52 -0700, Tony Lindgren wrote:
> > Anyways, looks like qmi_wwan needs to be loaded before
> > qcserial module, otherwise we get nine ttyUSB instances
> > and ModemManager can't find any modems.
> 
> Use qcaux.c or option, unless the 6600 actually *does* have the same
> layout as Gobi 1K/2K/etc devices.

OK yeah I don't think it's Gobi.

> If you're going to use qcaux or optoin, then you need to use some
> variant of USB_DEVICE_AND_INTERFACE_INFO to lock the serial driver to
> the specific USB interfaces that expose the TTYs and to ignore the QMI
> interfaces and netdevs.

OK thanks I'll take a look and post a patch after some testing.

Regards,

Tony