+ * @chip_lock: reserved for synchronization of the chip supporting routines
+ * (not used in the current driver version)
+ * @worker_thread: chip worker thread ID (RT-Linux specific field)
+ * @pend_flags: holds information about pending interrupt and tx_wake() operations
+ * (RT-Linux specific field). Masks values:
+ * %MSGOBJ_TX_REQUEST .. some of the message objects requires tx_wake() call,
+ * %MSGOBJ_IRQ_REQUEST .. chip interrupt processing required
+ * %MSGOBJ_WORKER_WAKE .. marks, that worker thread should be waked
+ * for some of above reasons