Messages in this thread | | | Date | Mon, 22 Dec 2014 09:37:30 -0600 | From | Felipe Balbi <> | Subject | Re: [PATCH 3/3] usb: dwc3: add a quirk for device disconnection issue in Synopsis dwc3 core |
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On Tue, Dec 16, 2014 at 10:10:28AM +0800, Sneeker Yeh wrote: > Synopsis DesignWare USB3 IP Core integrated with a config-free > phy needs special handling during device disconnection to avoid > the host controller dying. > > This quirk makes sure PORT_CSC is cleared after the disable slot > command when usb device is disconnected from internal root hub, > otherwise, Synopsis core would fall into a state that cannot use > any endpoint command. Consequently, device disconnection procedure > might not be finished because sometimes endpoint need to be stop > by endpoint stop command issuing. > > Symptom usually happens when disconnected device is keyboard, > mouse, and hub.
you need to point us to the synopsys STARS ticket number. That's the only way to reference this specific quirk. Add it to a comment somewhere.
-- balbi [unhandled content-type:application/pgp-signature] | |