On Thu, 16 Sep 2004, Alexander Stohr wrote:

> MAybe that patch is really really unneccssary, but read on!

On Thu, 16 Sep 2004, Greg KH wrote:

> I'll let Alan Stern determine if your patch is ok or not.

I think the patch really is unnecessary.

If you don't have the ub driver loaded, does usb-storage handle the card 
reader okay without the extra unusual_devs entry?  If it does, then the 
entry isn't needed.

(And most particularly, the FIX_INQUIRY part of the entry isn't needed.  
Flags like that shouldn't be added for no reason at all -- they are
intended purely as workarounds for certain device bugs and they degrade
the behavior of non-buggy devices.)

I get the feeling that the real problem you want to solve is how to select 
which driver, ub or usb-storage, will bind to a particular device when 
both are loaded.  Adding an unusual_devs entry is at best a very klugey 
way of handling this.  Maybe the kernel needs better mechanisms for 
allowing users to make policy choices of this sort -- but for now I can't 
recommend your approach.  What about other users who _do_ want their card 
readers managed by ub?

For now, if you don't want to use the ub driver, my advice is simply not
to load it into your kernel.

Alan Stern



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