Re: [PATCH] usb: add sysfs configuration interface for CP2101

[Greg KH]

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@xxxxxxxx>
> > 
> > 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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