scsi: ibmvscsi: Fix a bunch of misdocumentation

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

 drivers/scsi/ibmvscsi/ibmvfc.c:331: warning: Function parameter or member 'vhost' not described in 'ibmvfc_get_err_result'
 drivers/scsi/ibmvscsi/ibmvfc.c:653: warning: Excess function parameter 'job_step' description in 'ibmvfc_del_tgt'
 drivers/scsi/ibmvscsi/ibmvfc.c:773: warning: Function parameter or member 'queue' not described in 'ibmvfc_init_event_pool'
 drivers/scsi/ibmvscsi/ibmvfc.c:773: warning: Function parameter or member 'size' not described in 'ibmvfc_init_event_pool'
 drivers/scsi/ibmvscsi/ibmvfc.c:823: warning: Function parameter or member 'queue' not described in 'ibmvfc_free_event_pool'
 drivers/scsi/ibmvscsi/ibmvfc.c:1413: warning: Function parameter or member 'vhost' not described in 'ibmvfc_gather_partition_info'
 drivers/scsi/ibmvscsi/ibmvfc.c:1483: warning: Function parameter or member 'queue' not described in 'ibmvfc_get_event'
 drivers/scsi/ibmvscsi/ibmvfc.c:1483: warning: Excess function parameter 'vhost' description in 'ibmvfc_get_event'
 drivers/scsi/ibmvscsi/ibmvfc.c:1630: warning: Function parameter or member 't' not described in 'ibmvfc_timeout'
 drivers/scsi/ibmvscsi/ibmvfc.c:1630: warning: Excess function parameter 'evt' description in 'ibmvfc_timeout'
 drivers/scsi/ibmvscsi/ibmvfc.c:1893: warning: Function parameter or member 'shost' not described in 'ibmvfc_queuecommand'
 drivers/scsi/ibmvscsi/ibmvfc.c:1893: warning: Excess function parameter 'done' description in 'ibmvfc_queuecommand'
 drivers/scsi/ibmvscsi/ibmvfc.c:2324: warning: Function parameter or member 'rport' not described in 'ibmvfc_match_rport'
 drivers/scsi/ibmvscsi/ibmvfc.c:2324: warning: Excess function parameter 'device' description in 'ibmvfc_match_rport'
 drivers/scsi/ibmvscsi/ibmvfc.c:3133: warning: Function parameter or member 'evt_doneq' not described in 'ibmvfc_handle_crq'
 drivers/scsi/ibmvscsi/ibmvfc.c:3317: warning: Excess function parameter 'reason' description in 'ibmvfc_change_queue_depth'
 drivers/scsi/ibmvscsi/ibmvfc.c:3390: warning: Function parameter or member 'attr' not described in 'ibmvfc_show_log_level'
 drivers/scsi/ibmvscsi/ibmvfc.c:3413: warning: Function parameter or member 'attr' not described in 'ibmvfc_store_log_level'
 drivers/scsi/ibmvscsi/ibmvfc.c:3413: warning: Function parameter or member 'count' not described in 'ibmvfc_store_log_level'
 drivers/scsi/ibmvscsi/ibmvfc.c:4121: warning: Function parameter or member 'done' not described in '__ibmvfc_tgt_get_implicit_logout_evt'
 drivers/scsi/ibmvscsi/ibmvfc.c:4438: warning: Function parameter or member 't' not described in 'ibmvfc_adisc_timeout'
 drivers/scsi/ibmvscsi/ibmvfc.c:4438: warning: Excess function parameter 'tgt' description in 'ibmvfc_adisc_timeout'
 drivers/scsi/ibmvscsi/ibmvfc.c:4641: warning: Function parameter or member 'target' not described in 'ibmvfc_alloc_target'
 drivers/scsi/ibmvscsi/ibmvfc.c:4641: warning: Excess function parameter 'scsi_id' description in 'ibmvfc_alloc_target'
 drivers/scsi/ibmvscsi/ibmvfc.c:5068: warning: Function parameter or member 'evt' not described in 'ibmvfc_npiv_logout_done'
 drivers/scsi/ibmvscsi/ibmvfc.c:5068: warning: Excess function parameter 'vhost' description in 'ibmvfc_npiv_logout_done'

Link: https://lore.kernel.org/r/20210317091230.2912389-35-lee.jones@linaro.org
Cc: Tyrel Datwyler <tyreld@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Brian King <brking@linux.vnet.ibm.com>
Cc: linux-scsi@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ibmvscsi/ibmvfc.c

@@ -322,6 +322,7 @@ static const char *ibmvfc_get_cmd_error(u16 status, u16 error)
 
 /**
  * ibmvfc_get_err_result - Find the scsi status to return for the fcp response
+ * @vhost:      ibmvfc host struct
  * @vfc_cmd:	ibmvfc command struct
  *
  * Return value:
@@ -646,8 +647,6 @@ static void ibmvfc_reinit_host(struct ibmvfc_host *vhost)
 /**
  * ibmvfc_del_tgt - Schedule cleanup and removal of the target
  * @tgt:		ibmvfc target struct
- * @job_step:	job step to perform
- *
  **/
 static void ibmvfc_del_tgt(struct ibmvfc_target *tgt)
 {
@@ -764,6 +763,8 @@ static int ibmvfc_send_crq_init_complete(struct ibmvfc_host *vhost)
 /**
  * ibmvfc_init_event_pool - Allocates and initializes the event pool for a host
  * @vhost:	ibmvfc host who owns the event pool
+ * @queue:      ibmvfc queue struct
+ * @size:       pool size
  *
  * Returns zero on success.
  **/
@@ -816,6 +817,7 @@ static int ibmvfc_init_event_pool(struct ibmvfc_host *vhost,
 /**
  * ibmvfc_free_event_pool - Frees memory of the event pool of a host
  * @vhost:	ibmvfc host who owns the event pool
+ * @queue:      ibmvfc queue struct
  *
  **/
 static void ibmvfc_free_event_pool(struct ibmvfc_host *vhost,
@@ -1405,6 +1407,7 @@ static int ibmvfc_issue_fc_host_lip(struct Scsi_Host *shost)
 
 /**
  * ibmvfc_gather_partition_info - Gather info about the LPAR
+ * @vhost:      ibmvfc host struct
  *
  * Return value:
  *	none
@@ -1475,7 +1478,7 @@ static void ibmvfc_set_login_info(struct ibmvfc_host *vhost)
 
 /**
  * ibmvfc_get_event - Gets the next free event in pool
- * @vhost:	ibmvfc host struct
+ * @queue:      ibmvfc queue struct
  *
  * Returns a free event from the pool.
  **/
@@ -1622,7 +1625,7 @@ static int ibmvfc_map_sg_data(struct scsi_cmnd *scmd,
 
 /**
  * ibmvfc_timeout - Internal command timeout handler
- * @evt:	struct ibmvfc_event that timed out
+ * @t:	struct ibmvfc_event that timed out
  *
  * Called when an internally generated command times out
  **/
@@ -1883,8 +1886,8 @@ static struct ibmvfc_cmd *ibmvfc_init_vfc_cmd(struct ibmvfc_event *evt, struct s
 
 /**
  * ibmvfc_queuecommand - The queuecommand function of the scsi template
+ * @shost:	scsi host struct
  * @cmnd:	struct scsi_cmnd to be executed
- * @done:	Callback function to be called when cmnd is completed
  *
  * Returns:
  *	0 on success / other on failure
@@ -2315,7 +2318,7 @@ static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc)
 /**
  * ibmvfc_match_rport - Match function for specified remote port
  * @evt:	ibmvfc event struct
- * @device:	device to match (rport)
+ * @rport:	device to match
  *
  * Returns:
  *	1 if event matches rport / 0 if event does not match rport
@@ -3126,8 +3129,9 @@ static void ibmvfc_handle_async(struct ibmvfc_async_crq *crq,
  * ibmvfc_handle_crq - Handles and frees received events in the CRQ
  * @crq:	Command/Response queue
  * @vhost:	ibmvfc host struct
+ * @evt_doneq:	Event done queue
  *
- **/
+**/
 static void ibmvfc_handle_crq(struct ibmvfc_crq *crq, struct ibmvfc_host *vhost,
 			      struct list_head *evt_doneq)
 {
@@ -3308,7 +3312,6 @@ static int ibmvfc_slave_configure(struct scsi_device *sdev)
  * ibmvfc_change_queue_depth - Change the device's queue depth
  * @sdev:	scsi device struct
  * @qdepth:	depth to set
- * @reason:	calling context
  *
  * Return value:
  * 	actual depth set
@@ -3380,6 +3383,7 @@ static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
 /**
  * ibmvfc_show_log_level - Show the adapter's error logging level
  * @dev:	class device struct
+ * @attr:	unused
  * @buf:	buffer
  *
  * Return value:
@@ -3402,7 +3406,9 @@ static ssize_t ibmvfc_show_log_level(struct device *dev,
 /**
  * ibmvfc_store_log_level - Change the adapter's error logging level
  * @dev:	class device struct
+ * @attr:	unused
  * @buf:	buffer
+ * @count:      buffer size
  *
  * Return value:
  * 	number of bytes printed to buffer
@@ -4112,6 +4118,7 @@ static void ibmvfc_tgt_implicit_logout_done(struct ibmvfc_event *evt)
 /**
  * __ibmvfc_tgt_get_implicit_logout_evt - Allocate and init an event for implicit logout
  * @tgt:		ibmvfc target struct
+ * @done:		Routine to call when the event is responded to
  *
  * Returns:
  *	Allocated and initialized ibmvfc_event struct
@@ -4428,7 +4435,7 @@ static void ibmvfc_tgt_adisc_cancel_done(struct ibmvfc_event *evt)
 
 /**
  * ibmvfc_adisc_timeout - Handle an ADISC timeout
- * @tgt:		ibmvfc target struct
+ * @t:		ibmvfc target struct
  *
  * If an ADISC times out, send a cancel. If the cancel times
  * out, reset the CRQ. When the ADISC comes back as cancelled,
@@ -4631,7 +4638,7 @@ static void ibmvfc_tgt_query_target(struct ibmvfc_target *tgt)
 /**
  * ibmvfc_alloc_target - Allocate and initialize an ibmvfc target
  * @vhost:		ibmvfc host struct
- * @scsi_id:	SCSI ID to allocate target for
+ * @target:		Holds SCSI ID to allocate target forand the WWPN
  *
  * Returns:
  *	0 on success / other on failure
@@ -5061,7 +5068,7 @@ static void ibmvfc_npiv_login(struct ibmvfc_host *vhost)
 
 /**
  * ibmvfc_npiv_logout_done - Completion handler for NPIV Logout
- * @vhost:		ibmvfc host struct
+ * @evt:		ibmvfc event struct
  *
  **/
 static void ibmvfc_npiv_logout_done(struct ibmvfc_event *evt)