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
signature.asc
Description: Digital signature
