Re: avoid resetting mode-switched devices

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Am Mittwoch, 16. Dezember 2009 16:17:04 schrieb Alan Stern:
> On Wed, 16 Dec 2009, Oliver Neukum wrote:
> 
> > Am Dienstag, 15. Dezember 2009 16:42:54 schrieb Alan Stern:

> > > I don't think that's such a good idea.  For instance, I doubt
> > > usb_reset_configuration() will be powerful enough to recover from the
> > > errors usb-storage encounters.  In fact, even a port reset isn't always
> > > powerful enough.
> > 
> > True, but we cannot do a port reset for such devices.
> 
> Are you certain?  Does the mode-switch state get reset along with 
> everything else?  Or does the device remain in the same mode until a 
> power cycle?

At least some devices revert to the initial mode
 
> This really is too much complication.  We shouldn't need multiple ways 
> to reset a device.  (And if we do, they should share more code.)

I see.

	Regards
		Oliver
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