Date: Mon, 3 Mar 2008 08:28:28 -0800
From: Greg KH <greg@kroah.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Dirk Eibach <eibach@gdsys.de>, akpm@linux-foundation.org,
       linux-kernel@vger.kernel.org, apw@shadowen.org,
       linux-usb@vger.kernel.org
Subject: Re: [PATCH] usb: add sysfs configuration interface for CP2101
Message-ID: <20080303162827.GB11592@kroah.com>
References: <47CBC465.9070909@gdsys.de> <Pine.LNX.4.44L0.0803031006510.3456-100000@iolanthe.rowland.org>
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On Mon, Mar 03, 2008 at 10:07:41AM -0500, Alan Stern wrote:
> On Mon, 3 Mar 2008, Dirk Eibach wrote:
> 
> > From: Dirk Eibach <eibach@gdsys.de>
> > 
> > The usb configuration data for the Silabs CP2101 usb to uart bridge 
> > controller can be customized:
> > - Vendor ID
> > - Product ID
> > - Power Descriptor
> > - Release Number
> > - Serial Number
> > - Product Description String
> > 
> > Silabs provides a windows-only tool to do that.
> > Since we use linux-only machines in our production-environment, we have no 
> > proper way to customize the chips for our purpose.
> > So I added sysfs configuration support to the linux driver.
> 
> Surely this sort of thing is better done in userspace, with libusb.

I agree, any reason why you have not tried that?  Adding files like
"vendor_id" to an interface directory in sysfs could cause a lot of
people to get very confused, very quickly :)

thanks,

greg k-h
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