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Date:   Mon, 26 Mar 2018 17:45:31 -0700
From:   Tony Lindgren <tony@atomide.com>
To:     Dan Williams <dcbw@redhat.com>
Cc:     Pavel Machek <pavel@ucw.cz>, Sebastian Reichel <sre@kernel.org>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
        Mark Rutland <mark.rutland@arm.com>,
        Marcel Partap <mpartap@gmx.net>,
        Michael Scott <michael.scott@linaro.org>,
        Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCHv4] phy: mapphone-mdm6600: Add USB PHY driver for MDM6600
 on Droid 4
Message-ID: <20180327004531.GH5700@atomide.com>
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 <20180324200224.GA17857@amd>
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* Dan Williams <dcbw@redhat.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