Alan Stern wrote:
> On Sat, 17 May 2003, David Brownell wrote:
> 
> 
>>That reset couldn't re-assign the address, so of course it failed.
>>
>>In hub.c, usb_physical_reset_device() is leaving dev->state as
>>USB_STATE_CONFIGURED after resetting the port, and of course it's
>>not legal to set the address of a device in that state.
> 
> 
> Do you mean to say that this is a bug in usb_reset_device()?  Isn't it 
> always going to be true that after a port reset a device will need to be 
> assigned an address?

No; yes.  What I mean is that something like this patch
would seem to be needed, so USB_STATE_DEFAULT ("needs an
address") is set when the reset completes.  Untested, but
it compiles.

The enumeration logic still relies on hidden side effects.

- Dave