linux-kernel - Re: [PATCH] Add support for Mobilcom Debitel USB UMTS Surf-Stick to option driver

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Date:	Fri, 27 Nov 2009 14:24:14 +0100
From:	Matthias Urlichs <matthias@...ichs.de>
To:	Gernot Hillier <gernot@...lier.de>
Cc:	Oliver Neukum <oliver@...kum.org>,
	Greg Kroah-Hartman <gregkh@...e.de>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add support for Mobilcom Debitel USB UMTS Surf-Stick
 to option driver

On Fri, 2009-11-27 at 13:49 +0100, Gernot Hillier wrote:
> +       /* 4G Systems W14 simply ignores this message on interface 0 & 1 
> +          and would cause long timeouts when calling usb_control_msg()  */
> +       if (serial->dev->descriptor.idVendor == FOUR_G_SYSTEMS_VENDOR_ID &&
> +               serial->dev->descriptor.idProduct == FOUR_G_SYSTEMS_PRODUCT_W14 &&
> +               (ifNum == 0 || ifNum == 1) )
> +               return -EIO;
> 
I'd appreciate if you'd implement this generically.

I.e., use the driver_info field of struct usb_device for an appropriate
blacklist flag. (It's not going to be the only one.)


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