Alan, > -----Original Message----- > From: Alan Stern [mailto:stern@xxxxxxxxxxxxxxxxxxx] > Sent: Thursday, April 02, 2015 3:28 PM > To: Liu, Bin > Cc: Balbi, Felipe; linux-usb@xxxxxxxxxxxxxxx > Subject: RE: [PATCH v2] usb: musb: only set test mode once > > On Thu, 2 Apr 2015, Liu, Bin wrote: > > > > > This is to reset the bus, not the controller right? For the MUSB > > > > case, the controller itself needs reset, no device/hub is > > > > connected on the bus. > > > > > > IIRC, device-reset -D 1d6b:0002 -c 1 should work, but needs testing. > > > > I thought about this. It will interesting to know how resetting the roothub will > trigger the controller reset, it needs a hook in musb driver to do hw reset and EP > re-config kind of init sequence, similar to the babble recover routine... > > What you (or rather, the user) could do is unbind the driver from the controller > and then rebind it back. That will reset the controller hardware. This works! Thanks for the hint. Regards, -Bin. > > Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
