ata,scsi: remove ata_sas_port_init()

ata_sas_port_init() now only contains a single initialization.

Move this single initialization to ata_sas_port_alloc(), since:
1) ata_sas_port_alloc() already initializes some of the struct members.
2) ata_sas_port_alloc() is only used by libsas.

Suggested-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>

Author: Niklas Cassel

drivers/ata/libata-sata.c

@@ -1139,29 +1139,12 @@ struct ata_port *ata_sas_port_alloc(struct ata_host *host,
 	ap->flags |= port_info->flags;
 	ap->ops = port_info->port_ops;
 	ap->cbl = ATA_CBL_SATA;
+	ap->print_id = atomic_inc_return(&ata_print_id);
 
 	return ap;
 }
 EXPORT_SYMBOL_GPL(ata_sas_port_alloc);
 
-/**
- *	ata_sas_port_init - Initialize a SATA device
- *	@ap: SATA port to initialize
- *
- *	LOCKING:
- *	PCI/etc. bus probe sem.
- *
- *	RETURNS:
- *	Zero on success, non-zero on error.
- */
-
-int ata_sas_port_init(struct ata_port *ap)
-{
-	ap->print_id = atomic_inc_return(&ata_print_id);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(ata_sas_port_init);
-
 int ata_sas_tport_add(struct device *parent, struct ata_port *ap)
 {
 	return ata_tport_add(parent, ap);

drivers/scsi/libsas/sas_ata.c

@@ -605,9 +605,6 @@ int sas_ata_init(struct domain_device *found_dev)
 	ap->private_data = found_dev;
 	ap->cbl = ATA_CBL_SATA;
 	ap->scsi_host = shost;
-	rc = ata_sas_port_init(ap);
-	if (rc)
-		goto destroy_port;
 
 	rc = ata_sas_tport_add(ata_host->dev, ap);
 	if (rc)

include/linux/libata.h

@@ -1241,7 +1241,6 @@ extern int ata_slave_link_init(struct ata_port *ap);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
 					   struct ata_port_info *, struct Scsi_Host *);
 extern void ata_port_probe(struct ata_port *ap);
-extern int ata_sas_port_init(struct ata_port *);
 extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
 extern void ata_sas_tport_delete(struct ata_port *ap);
 extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);