scsi_scan.c: fix/convert functions to use kernel-doc

scsi_scan.c: fix incorrectly formatted kernel-doc notation
& convert documentation of 2 functions into kernel-doc.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/scsi/scsi_scan.c

@@ -1220,7 +1220,7 @@ static void scsi_sequential_lun_scan(struct scsi_target *starget,
 }
 
 /**
- * scsilun_to_int: convert a scsi_lun to an int
+ * scsilun_to_int - convert a scsi_lun to an int
  * @scsilun:	struct scsi_lun to be converted.
  *
  * Description:
@@ -1252,7 +1252,7 @@ int scsilun_to_int(struct scsi_lun *scsilun)
 EXPORT_SYMBOL(scsilun_to_int);
 
 /**
- * int_to_scsilun: reverts an int into a scsi_lun
+ * int_to_scsilun - reverts an int into a scsi_lun
  * @lun:        integer to be reverted
  * @scsilun:	struct scsi_lun to be set.
  *
@@ -1876,12 +1876,9 @@ void scsi_forget_host(struct Scsi_Host *shost)
 	spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
-/*
- * Function:    scsi_get_host_dev()
- *
- * Purpose:     Create a scsi_device that points to the host adapter itself.
- *
- * Arguments:   SHpnt   - Host that needs a scsi_device
+/**
+ * scsi_get_host_dev - Create a scsi_device that points to the host adapter itself
+ * @shost: Host that needs a scsi_device
  *
  * Lock status: None assumed.
  *
@@ -1894,7 +1891,7 @@ void scsi_forget_host(struct Scsi_Host *shost)
  *
  *	Note - this device is not accessible from any high-level
  *	drivers (including generics), which is probably not
- *	optimal.  We can add hooks later to attach 
+ *	optimal.  We can add hooks later to attach.
  */
 struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)
 {
@@ -1920,18 +1917,13 @@ struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)
 }
 EXPORT_SYMBOL(scsi_get_host_dev);
 
-/*
- * Function:    scsi_free_host_dev()
- *
- * Purpose:     Free a scsi_device that points to the host adapter itself.
- *
- * Arguments:   SHpnt   - Host that needs a scsi_device
+/**
+ * scsi_free_host_dev - Free a scsi_device that points to the host adapter itself
+ * @sdev: Host device to be freed
  *
  * Lock status: None assumed.
  *
  * Returns:     Nothing
- *
- * Notes:
  */
 void scsi_free_host_dev(struct scsi_device *sdev)
 {