netdev - Re: [PATCH net-next 01/19] net: usb: aqc111: Driver skeleton for Aquantia AQtion USB to 5GbE

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Date:   Tue, 09 Oct 2018 15:37:47 +0200
From:   Bjørn Mork <bjorn@...k.no>
To:     Igor Russkikh <Igor.Russkikh@...antia.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        "linux-usb\@vger.kernel.org" <linux-usb@...r.kernel.org>,
        "netdev\@vger.kernel.org" <netdev@...r.kernel.org>,
        Dmitry Bezrukov <Dmitry.Bezrukov@...antia.com>
Subject: Re: [PATCH net-next 01/19] net: usb: aqc111: Driver skeleton for Aquantia AQtion USB to 5GbE

Igor Russkikh <Igor.Russkikh@...antia.com> writes:

>> +static const struct driver_info aqc111_info = {
> +	.description	= "Aquantia AQtion USB to 5GbE Controller",
> +};
> +
> +#define AQC111_USB_ETH_DEV(vid, pid, table) \
> +	.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
> +			USB_DEVICE_ID_MATCH_INT_CLASS, \
> +	USB_DEVICE(vid, pid), \
> +	.bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
> +	.driver_info = (unsigned long)&table, \
> +}, \
> +{ \
> +	.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
> +			USB_DEVICE_ID_MATCH_INT_INFO, \
> +	USB_DEVICE(vid, pid), \
> +	.bInterfaceClass = USB_CLASS_COMM, \
> +	.bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
> +	.bInterfaceProtocol = USB_CDC_PROTO_NONE
> +

Is the missing .driver_info for the CDC class intentional?  If so, then
why include it at all?



Bjørn