>mos7840_throttle() assumes that it can sleep. Looks like a design bug. >Does any body know documentation that clearly states which methods >of a serial driver may and which may not? Is it possible to use schedule_work() in mos7840_throttle() to set the RTS line after the interrupt function is completed? Regards Tobias -- 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