staging: fwserial: Demote a whole host of kernel-doc abuses

Fixes the following W=1 kernel build warning(s):

 drivers/staging/fwserial/fwserial.c:52: warning: Function parameter or member 'fwserial_list' not described in 'LIST_HEAD'
 drivers/staging/fwserial/fwserial.c:52: warning: expecting prototype for fwserial_list(). Prototype was for LIST_HEAD() instead
 drivers/staging/fwserial/fwserial.c:62: warning: cannot understand function prototype: 'struct fwtty_port *port_table[MAX_TOTAL_PORTS]; '
 drivers/staging/fwserial/fwserial.c:295: warning: Function parameter or member 'port' not described in 'fwtty_update_port_status'
 drivers/staging/fwserial/fwserial.c:295: warning: Function parameter or member 'status' not described in 'fwtty_update_port_status'
 drivers/staging/fwserial/fwserial.c:388: warning: Function parameter or member 'port' not described in '__fwtty_port_line_status'
 drivers/staging/fwserial/fwserial.c:412: warning: Function parameter or member 'port' not described in '__fwtty_write_port_status'
 drivers/staging/fwserial/fwserial.c:433: warning: Function parameter or member 'port' not described in 'fwtty_write_port_status'
 drivers/staging/fwserial/fwserial.c:486: warning: Function parameter or member 'work' not described in 'fwtty_do_hangup'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'card' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'request' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'tcode' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'destination' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'source' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'generation' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'addr' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'data' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'len' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Function parameter or member 'callback_data' not described in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:605: warning: Excess function parameter 'parameters' description in 'fwtty_port_handler'
 drivers/staging/fwserial/fwserial.c:670: warning: Function parameter or member 'card' not described in 'fwtty_tx_complete'
 drivers/staging/fwserial/fwserial.c:670: warning: Function parameter or member 'rcode' not described in 'fwtty_tx_complete'
 drivers/staging/fwserial/fwserial.c:670: warning: Function parameter or member 'txn' not described in 'fwtty_tx_complete'
 drivers/staging/fwserial/fwserial.c:914: warning: Function parameter or member 'tty_port' not described in 'fwtty_port_carrier_raised'
 drivers/staging/fwserial/fwserial.c:1021: warning: Function parameter or member 'tty_port' not described in 'fwtty_port_shutdown'
 drivers/staging/fwserial/fwserial.c:1312: warning: Function parameter or member 'tty' not described in 'fwtty_break_ctl'
 drivers/staging/fwserial/fwserial.c:1312: warning: Function parameter or member 'state' not described in 'fwtty_break_ctl'
 drivers/staging/fwserial/fwserial.c:1681: warning: Function parameter or member 'peer' not described in 'fwserial_claim_port'
 drivers/staging/fwserial/fwserial.c:1681: warning: Function parameter or member 'index' not described in 'fwserial_claim_port'
 drivers/staging/fwserial/fwserial.c:1708: warning: Function parameter or member 'peer' not described in 'fwserial_find_port'
 drivers/staging/fwserial/fwserial.c:1775: warning: Function parameter or member 'peer' not described in 'fwserial_connect_peer'
 drivers/staging/fwserial/fwserial.c:1844: warning: Function parameter or member 'driver' not described in 'fwserial_close_port'
 drivers/staging/fwserial/fwserial.c:1844: warning: Function parameter or member 'port' not described in 'fwserial_close_port'
 drivers/staging/fwserial/fwserial.c:1911: warning: Function parameter or member 'card' not described in '__fwserial_peer_by_node_id'
 drivers/staging/fwserial/fwserial.c:1911: warning: Function parameter or member 'generation' not described in '__fwserial_peer_by_node_id'
 drivers/staging/fwserial/fwserial.c:1911: warning: Function parameter or member 'id' not described in '__fwserial_peer_by_node_id'
 drivers/staging/fwserial/fwserial.c:2090: warning: Function parameter or member 'peer' not described in 'fwserial_remove_peer'
 drivers/staging/fwserial/fwserial.c:2321: warning: Function parameter or member 'unit' not described in 'fwserial_probe'
 drivers/staging/fwserial/fwserial.c:2321: warning: Function parameter or member 'id' not described in 'fwserial_probe'
 drivers/staging/fwserial/fwserial.c:2344: warning: Function parameter or member 'unit' not described in 'fwserial_remove'
 drivers/staging/fwserial/fwserial.c:2382: warning: Function parameter or member 'unit' not described in 'fwserial_update'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'card' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'request' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'tcode' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'destination' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'source' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'generation' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'addr' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'data' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'len' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Function parameter or member 'callback_data' not described in 'fwserial_mgmt_handler'
 drivers/staging/fwserial/fwserial.c:2717: warning: Excess function parameter 'parameters' description in 'fwserial_mgmt_handler'

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210414181129.1628598-25-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fwserial/fwserial.c

@@ -45,14 +45,14 @@ module_param_named(loop, create_loop_dev, bool, 0644);
  */
 #define WAKEUP_CHARS             256
 
-/**
+/*
  * fwserial_list: list of every fw_serial created for each fw_card
  * See discussion in fwserial_probe.
  */
 static LIST_HEAD(fwserial_list);
 static DEFINE_MUTEX(fwserial_list_mutex);
 
-/**
+/*
  * port_table: array of tty ports allocated to each fw_card
  *
  * tty ports are allocated during probe when an fw_serial is first
@@ -284,7 +284,7 @@ static void fwtty_restart_tx(struct fwtty_port *port)
 	spin_unlock_bh(&port->lock);
 }
 
-/**
+/*
  * fwtty_update_port_status - decodes & dispatches line status changes
  *
  * Note: in loopback, the port->lock is being held. Only use functions that
@@ -375,7 +375,7 @@ static void fwtty_update_port_status(struct fwtty_port *port,
 		wake_up_interruptible(&port->port.delta_msr_wait);
 }
 
-/**
+/*
  * __fwtty_port_line_status - generate 'line status' for indicated port
  *
  * This function returns a remote 'MSR' state based on the local 'MCR' state,
@@ -403,7 +403,7 @@ static unsigned int __fwtty_port_line_status(struct fwtty_port *port)
 	return status;
 }
 
-/**
+/*
  * __fwtty_write_port_status - send the port line status to peer
  *
  * Note: caller must be holding the port lock.
@@ -426,7 +426,7 @@ static int __fwtty_write_port_status(struct fwtty_port *port)
 	return err;
 }
 
-/**
+/*
  * fwtty_write_port_status - same as above but locked by port lock
  */
 static int fwtty_write_port_status(struct fwtty_port *port)
@@ -462,7 +462,7 @@ static void fwtty_throttle_port(struct fwtty_port *port)
 	tty_kref_put(tty);
 }
 
-/**
+/*
  * fwtty_do_hangup - wait for ldisc to deliver all pending rx; only then hangup
  *
  * When the remote has finished tx, and all in-flight rx has been received and
@@ -589,9 +589,8 @@ static int fwtty_rx(struct fwtty_port *port, unsigned char *data, size_t len)
 	return err;
 }
 
-/**
+/*
  * fwtty_port_handler - bus address handler for port reads/writes
- * @parameters: fw_address_callback_t as specified by firewire core interface
  *
  * This handler is responsible for handling inbound read/write dma from remotes.
  */
@@ -656,7 +655,7 @@ static void fwtty_port_handler(struct fw_card *card,
 	fw_send_response(card, request, rcode);
 }
 
-/**
+/*
  * fwtty_tx_complete - callback for tx dma
  * @data: ignored, has no meaning for write txns
  * @length: ignored, has no meaning for write txns
@@ -904,7 +903,7 @@ static void fwtty_port_dtr_rts(struct tty_port *tty_port, int on)
 	spin_unlock_bh(&port->lock);
 }
 
-/**
+/*
  * fwtty_port_carrier_raised: required tty_port operation
  *
  * This port operation is polled after a tty has been opened and is waiting for
@@ -1011,7 +1010,7 @@ static int fwtty_port_activate(struct tty_port *tty_port,
 	return 0;
 }
 
-/**
+/*
  * fwtty_port_shutdown
  *
  * Note: the tty port core ensures this is not the console and
@@ -1297,7 +1296,7 @@ static void fwtty_set_termios(struct tty_struct *tty, struct ktermios *old)
 	}
 }
 
-/**
+/*
  * fwtty_break_ctl - start/stop sending breaks
  *
  * Signals the remote to start or stop generating simulated breaks.
@@ -1669,7 +1668,7 @@ static inline int fwserial_send_mgmt_sync(struct fwtty_peer *peer,
 	return rcode;
 }
 
-/**
+/*
  * fwserial_claim_port - attempt to claim port @ index for peer
  *
  * Returns ptr to claimed port or error code (as ERR_PTR())
@@ -1697,7 +1696,7 @@ static struct fwtty_port *fwserial_claim_port(struct fwtty_peer *peer,
 	return port;
 }
 
-/**
+/*
  * fwserial_find_port - find avail port and claim for peer
  *
  * Returns ptr to claimed port or NULL if none avail
@@ -1764,7 +1763,7 @@ static void fwserial_plug_timeout(struct timer_list *t)
 		fwserial_release_port(port, false);
 }
 
-/**
+/*
  * fwserial_connect_peer - initiate virtual cable with peer
  *
  * Returns 0 if VIRT_CABLE_PLUG request was successfully sent,
@@ -1829,7 +1828,7 @@ static int fwserial_connect_peer(struct fwtty_peer *peer)
 	return err;
 }
 
-/**
+/*
  * fwserial_close_port -
  * HUP the tty (if the tty exists) and unregister the tty device.
  * Only used by the unit driver upon unit removal to disconnect and
@@ -1893,7 +1892,7 @@ static struct fw_serial *__fwserial_lookup_rcu(struct fw_card *card)
 	return NULL;
 }
 
-/**
+/*
  * __fwserial_peer_by_node_id - finds a peer matching the given generation + id
  *
  * If a matching peer could not be found for the specified generation/node id,
@@ -2076,7 +2075,7 @@ static int fwserial_add_peer(struct fw_serial *serial, struct fw_unit *unit)
 	return 0;
 }
 
-/**
+/*
  * fwserial_remove_peer - remove a 'serial' unit device as a 'peer'
  *
  * Remove a 'peer' from its list of peers. This function is only
@@ -2279,7 +2278,7 @@ static int fwserial_create(struct fw_unit *unit)
 	return err;
 }
 
-/**
+/*
  * fwserial_probe: bus probe function for firewire 'serial' unit devices
  *
  * A 'serial' unit device is created and probed as a result of:
@@ -2331,7 +2330,7 @@ static int fwserial_probe(struct fw_unit *unit,
 	return err;
 }
 
-/**
+/*
  * fwserial_remove: bus removal function for firewire 'serial' unit devices
  *
  * The corresponding 'peer' for this unit device is removed from the list of
@@ -2363,7 +2362,7 @@ static void fwserial_remove(struct fw_unit *unit)
 	mutex_unlock(&fwserial_list_mutex);
 }
 
-/**
+/*
  * fwserial_update: bus update function for 'firewire' serial unit devices
  *
  * Updates the new node_id and bus generation for this peer. Note that locking
@@ -2699,9 +2698,8 @@ static int fwserial_parse_mgmt_write(struct fwtty_peer *peer,
 	return rcode;
 }
 
-/**
+/*
  * fwserial_mgmt_handler: bus address handler for mgmt requests
- * @parameters: fw_address_callback_t as specified by firewire core interface
  *
  * This handler is responsible for handling virtual cable requests from remotes
  * for all cards.