Re: self-modeswitching device

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On Tue, 2015-06-30 at 11:34 -0400, Alan Stern wrote:
> On Tue, 30 Jun 2015, Oliver Neukum wrote:
> 
> > Hi,
> > 
> > I am looking at a device that spontaneously switches
> > its mode. I guess that you need to actively do something
> > that some Windows versions do to keep the device in its
> > initial mode.
> 
> When does the spontaneous mode switch occur?

6 seconds after device discovery.

> > In that particular case I would go as far as make
> > the storage driver refuse the storage interface
> > of the initial mode.
> > 
> > What do you think?
> 
> I agree.  If a storage device is going to disconnect itself at random
> times, we shouldn't try to access it.  Users can override this behavior
> with usb-storage's "i" quirk flag if they need to.

Good.

	Regards
		Oliver



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