Re: Displaying/modifying PCI device id tables via sysfs

Alan Cox (
03 Mar 2003 20:02:54 +0000

On Mon, 2003-03-03 at 18:25, Greg KH wrote:
> > 2) Add new IDs at runtime and have the drivers probe for the new IDs.
> Ick, no. If a driver really wants to have a user provide new ids on the
> fly, they usually provide a module paramater to do this. A number of
> the USB drivers do this already (and to be honest, they have caused
> nothing but trouble, as users use that option for new devices, that the
> driver can't control at all due to protocol or register location
> changes.)
> In short, it's not a good idea to allow users to change these values on
> the fly, the driver author usually knows best here :)

I would strongly disagree with that statement. The majority of users run
kernels a little behind the times, and in may cases adding the PCI id is
just fine. It doens't want to be casual and uncontrolled but it does want
to be possible

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at