On Wednesday 23 July 2008, Jonathan Cameron wrote: > * Software ring buffer support to allow semi regular capture of data form the > ? device. ?Typically this will be driven from either datardy events, or from > ? a periodic timer interrupt (to this end a very simple wrapper for periodic > ? RTC's is included. This will move to more generic timer interfaces as and when > ? they become available. ?For now available rtc's must be registered with the > ? subsystem via the industrialio_register_ptimer function form within a board > ? init. Could you elaborate a bit on why you'd want hardware supported periodic timers, rather than either an hrtimer or a timer? Maybe provide some real-world scenarios where those software abstractions are inappropriate. I can imagine numerous reasons, but those might not be yours... - Dave