On Sun, May 11, 2014 at 08:40:25AM +0800, Chen Peter-B29397 wrote: > As I explained before: > "OTG devices and Embedded Hosts both have Targeted Host functionality, > and each Targeted Host has its TPL (Targeted Peripheral List), only the > devices are at TPL are supported by Targeted Host." > > 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? 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