Re: [linux-usb-devel] [PATCH] Remove duplicate ID in ipaq driver

From: Greg KH
Date: Thu May 17 2007 - 08:45:13 EST


On Wed, May 16, 2007 at 05:36:48PM -0400, Ben Collins wrote:
> On Wed, 2007-05-16 at 13:59 -0700, Roland Dreier wrote:
> > > /* The first entry is a placeholder for the insmod-specified device */
> > > - { USB_DEVICE(0x049F, 0x0003) },
> >
> > Is it obvious why this patch is correct? Especially given the
> > comment just before the line you delete, and the code
> >
> > if (vendor) {
> > ipaq_id_table[0].idVendor = vendor;
> > ipaq_id_table[0].idProduct = product;
> > }
> >
> > in ipaq_init()?
>
> My mistake, quick on the patching going through this dupe list.
>
> Might I add that this is terrible use of the device table, though.
> Clutters userspace, and adds processing to module-init-tools programs.

It's a hold-over from the times when we didn't have the sysfs "add a new
id" interface for usb-serial drivers, which only recently was created.

So we just have to live with it, and the infinitesimal speed hit it
creates :)

thanks,

greg k-h
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