STRUCT 
HSI_PORT(9)					   High Speed Synchronous Serial					STRUCT HSI_PORT(9)

NAME

       struct_hsi_port - HSI port device

SYNOPSIS

       struct hsi_port {
	 struct device device;
	 struct hsi_config tx_cfg;
	 struct hsi_config rx_cfg;
	 unsigned int num;
	 unsigned int shared:1;
	 int claimed;
	 struct mutex lock;
	 int (* async) (struct hsi_msg *msg);
	 int (* setup) (struct hsi_client *cl);
	 int (* flush) (struct hsi_client *cl);
	 int (* start_tx) (struct hsi_client *cl);
	 int (* stop_tx) (struct hsi_client *cl);
	 int (* release) (struct hsi_client *cl);
	 struct atomic_notifier_head n_head;
       };

MEMBERS

       device
	   Driver model representation of the device

       tx_cfg
	   Current TX path configuration

       rx_cfg
	   Current RX path configuration

       num
	   Port number

       shared
	   Set when port can be shared by different clients

       claimed
	   Reference count of clients which claimed the port

       lock
	   Serialize port claim

       async
	   Asynchronous transfer callback

       setup
	   Callback to set the HSI client configuration

       flush
	   Callback to clean the HW state and destroy all pending transfers

       start_tx
	   Callback to inform that a client wants to TX data

       stop_tx
	   Callback to inform that a client no longer wishes to TX data

       release
	   Callback to inform that a client no longer uses the port

       n_head
	   Notifier chain for signaling port events to the clients.

COPYRIGHT

Kernel Hackers Manual 3.10					     June 2014							STRUCT HSI_PORT(9)