linux-kernel - Re: [PATCH v1 2/2] net: usb: cdc

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Date:   Fri, 08 Apr 2022 15:35:13 +0200
From:   Bjørn Mork <bjorn@...k.no>
To:     Lars Melin <larsm17@...il.com>
Cc:     sven@...nschwermer.de, linux-usb@...r.kernel.org,
        Sven Schwermer <sven.schwermer@...ruptive-technologies.com>,
        linux-kernel@...r.kernel.org, oliver@...kum.org
Subject: Re: [PATCH v1 2/2] net: usb: cdc_ether: Add Fibocom MA510 modem

Lars Melin <larsm17@...il.com> writes:

> Why do you add this modem to the whitelist?

I believe the clue is the

> +	.driver_info = (unsigned long)&wwan_info,

to set FLAG_WWAN instead of the default FLAG_ETHER | FLAG_POINTTOPOINT

> The net interface has the correct cdc_ether attributes so the
> cdc_ether driver should bind automagically without any need for the
> modem to be in the whitelist.

Yes, this sort of works against the class driver philosophy.  But we've
already started down that road, so...



Bjørn