Re: Displaying/modifying PCI device id tables via sysfs

[Rusty Russell <rusty@rustcorp.com.au>]

In message <20030524003712.GA15086@kroah.com> you write:
> On Fri, May 23, 2003 at 10:53:51AM +1000, Rusty Russell wrote:
> > So the question is, how do you add PCI IDs to a module which isn't loaded?
> 
> Do we really care about this question?  I mean, if a user knows that
> they want to use a specific module for their device (as they must know
> this somehow), then they can just load the module today, and use the
> dynamic id feature to add the new id.  At that time the device is bound
> to the driver.

Jeff's once complained about a distro having to update modules simply
to update the PCI tables, which he indicated happened frequently.

But adding new aliases is trivial, so this covers it.

> > You can trivially add a new alias for it, which will cause modprobe to
> > find it, but the module won't know it can handle the new PCI ID, and
> > will fail to load.
> 
> Not true.  The module will load just fine, just not bind to the device.

Yes, Matt pointed this out, which makes it work fine.

Thanks,
Rusty.
--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.