[PATCH v2] ata: libata: Remove unused parameter in function ata_sas_port_alloc()

[chenxiang <chenxiang66@xxxxxxxxxxxxx>]

From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>

Input Parameter shost in function ata_sas_port_alloc() is not used, so
remove it.

Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
---
 drivers/ata/libata-sata.c     | 4 +---
 drivers/scsi/ipr.c            | 2 +-
 drivers/scsi/libsas/sas_ata.c | 2 +-
 include/linux/libata.h        | 2 +-
 4 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c
index c16423e..a3c83fe 100644
--- a/drivers/ata/libata-sata.c
+++ b/drivers/ata/libata-sata.c
@@ -1070,7 +1070,6 @@ EXPORT_SYMBOL_GPL(ata_scsi_change_queue_depth);
  *	port_alloc - Allocate port for a SAS attached SATA device
  *	@host: ATA host container for all SAS ports
  *	@port_info: Information from low-level host driver
- *	@shost: SCSI host that the scsi device is attached to
  *
  *	LOCKING:
  *	PCI/etc. bus probe sem.
@@ -1080,8 +1079,7 @@ EXPORT_SYMBOL_GPL(ata_scsi_change_queue_depth);
  */
 
 struct ata_port *ata_sas_port_alloc(struct ata_host *host,
-				    struct ata_port_info *port_info,
-				    struct Scsi_Host *shost)
+				    struct ata_port_info *port_info)
 {
 	struct ata_port *ap;
 
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 7d77997..331c41c 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4816,7 +4816,7 @@ static int ipr_target_alloc(struct scsi_target *starget)
 		if (!sata_port)
 			return -ENOMEM;
 
-		ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info, shost);
+		ap = ata_sas_port_alloc(&ioa_cfg->ata_host, &sata_port_info);
 		if (ap) {
 			spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
 			sata_port->ioa_cfg = ioa_cfg;
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 5d716d3..0cdfae9 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -549,7 +549,7 @@ int sas_ata_init(struct domain_device *found_dev)
 
 	ata_host_init(ata_host, ha->dev, &sas_sata_ops);
 
-	ap = ata_sas_port_alloc(ata_host, &sata_port_info, shost);
+	ap = ata_sas_port_alloc(ata_host, &sata_port_info);
 	if (!ap) {
 		pr_err("ata_sas_port_alloc failed.\n");
 		rc = -ENODEV;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 8bf5e59..5a6fb80 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1228,7 +1228,7 @@ extern int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
 extern int ata_slave_link_init(struct ata_port *ap);
 extern void ata_sas_port_destroy(struct ata_port *);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
-					   struct ata_port_info *, struct Scsi_Host *);
+					   struct ata_port_info *);
 extern void ata_sas_async_probe(struct ata_port *ap);
 extern int ata_sas_sync_probe(struct ata_port *ap);
 extern int ata_sas_port_init(struct ata_port *);
-- 
2.8.1