On Mon, May 12, 2014 at 09:22:33AM +0800, Chen Peter-B29397 wrote: > > > > > > > So when the board is OTG & EH (CONFIG_USB_OTG is set), it should have > > > TPL according to spec. In fact, even the CONFIG_USB_OTG_WHITELIST is > > > not set, the non-TPL devices have not worked well, eg, it will not be > > > enumerated again after it has disconnected from host 10 seconds later > > > due to vbus has turned off by host. > > > > So all in all, it sounds to me that in my case, USB_OTG_FSM shouldn't be > > set, neither in defconfig nor manually in menuconfig, right? > > > > What about USB_OTG? Can I set it in defconfig or manually in menuconfig? > > > > In your case, you should not set CONFIG_USB_OTG no matter at defconfig > and at menuconfig. Hmm, at least in my testing (USB mouse/keyboard connected to OTG port), it works as before even I enable CONFIG_USB_OTG, as long as I do *not* enable CONFIG_USB_OTG_FSM. Since it works for my case, I'm wondering why you think I shouldn't enable CONFIG_USB_OTG at all. Shawn -- 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