hi all: I use the same thread, since my question is still related to in_deq. in handle_port_status, we have to in_deq at the end. if it is must be, why we set update_ptrs = 0 in xhci_handle_even, when we receive port status TRB? -- Regards, -- 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