Re: [PATCH v3 1/1] usb: hub: Fix auto-remount of safely removed or ejected USB-3 devices

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On Thu, Nov 17, 2016 at 11:14:14AM +0200, Mathias Nyman wrote:
> USB-3 does not have any link state that will avoid negotiating a connection
> with a plugged-in cable but will signal the host when the cable is
> unplugged.
> 
> For USB-3 we used to first set the link to Disabled, then to RxDdetect to
> be able to detect cable connects or disconnects. But in RxDetect the
> connected device is detected again and eventually enabled.
> 
> Instead set the link into U3 and disable remote wakeups for the device.
> This is what Windows does, and what Alan Stern suggested.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>

Can I put this in -next and get it some testing before going to Linus
for 4.10-rc1, or do you think it needs to get into 4.9-final due to
people complaining about this?  If so, is it a regression or just
something that we have never done before (I think the latter, but want
to make sure...)

thanks,

greg k-h
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