3 files changed, 20 insertions, 81 deletions

diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index 92e27e7bf088..a161c0222931 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -15,89 +15,37 @@
 
 #ifdef CONFIG_SCSI_SAS_ATA
 
-static inline int dev_is_sata(struct domain_device *dev)
+static inline bool dev_is_sata(struct domain_device *dev)
 {
-	return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
-	       dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
+	switch (dev->dev_type) {
+	case SAS_SATA_DEV:
+	case SAS_SATA_PENDING:
+	case SAS_SATA_PM:
+	case SAS_SATA_PM_PORT:
+		return true;
+	default:
+		return false;
+	}
 }
 
-int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
-int sas_ata_init(struct domain_device *dev);
-void sas_ata_task_abort(struct sas_task *task);
-void sas_ata_strategy_handler(struct Scsi_Host *shost);
-void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);
 void sas_ata_schedule_reset(struct domain_device *dev);
-void sas_ata_wait_eh(struct domain_device *dev);
-void sas_probe_sata(struct asd_sas_port *port);
-void sas_suspend_sata(struct asd_sas_port *port);
-void sas_resume_sata(struct asd_sas_port *port);
-void sas_ata_end_eh(struct ata_port *ap);
 void sas_ata_device_link_abort(struct domain_device *dev, bool force_reset);
-int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
-			int force_phy_id);
+int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, int force_phy_id);
 int smp_ata_check_ready_type(struct ata_link *link);
-int sas_discover_sata(struct domain_device *dev);
-int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
-		    struct domain_device *child, int phy_id);
 
 extern const struct attribute_group sas_ata_sdev_attr_group;
 
 #else
 
-static inline void sas_ata_disabled_notice(void)
-{
-	pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n");
-}
-
-static inline int dev_is_sata(struct domain_device *dev)
-{
-	return 0;
-}
-static inline int sas_ata_init(struct domain_device *dev)
-{
-	return 0;
-}
-static inline void sas_ata_task_abort(struct sas_task *task)
-{
-}
-
-static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
-{
-}
-
-static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
+static inline bool dev_is_sata(struct domain_device *dev)
 {
+	return false;
 }
 
 static inline void sas_ata_schedule_reset(struct domain_device *dev)
 {
 }
 
-static inline void sas_ata_wait_eh(struct domain_device *dev)
-{
-}
-
-static inline void sas_probe_sata(struct asd_sas_port *port)
-{
-}
-
-static inline void sas_suspend_sata(struct asd_sas_port *port)
-{
-}
-
-static inline void sas_resume_sata(struct asd_sas_port *port)
-{
-}
-
-static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
-{
-	return 0;
-}
-
-static inline void sas_ata_end_eh(struct ata_port *ap)
-{
-}
-
 static inline void sas_ata_device_link_abort(struct domain_device *dev,
 					     bool force_reset)
 {
@@ -114,19 +62,6 @@ static inline int smp_ata_check_ready_type(struct ata_link *link)
 	return 0;
 }
 
-static inline int sas_discover_sata(struct domain_device *dev)
-{
-	sas_ata_disabled_notice();
-	return -ENXIO;
-}
-
-static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
-				  struct domain_device *child, int phy_id)
-{
-	sas_ata_disabled_notice();
-	return -ENODEV;
-}
-
 #define sas_ata_sdev_attr_group ((struct attribute_group) {})
 
 #endif
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 68dd49947d04..6d6500148c4b 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -184,6 +184,11 @@ struct scsi_device {
 	 */
 	unsigned force_runtime_start_on_system_start:1;
 
+	/*
+	 * Set if the device is an ATA device.
+	 */
+	unsigned is_ata:1;
+
 	unsigned removable:1;
 	unsigned changed:1;	/* Data invalid due to media change */
 	unsigned busy:1;	/* Used to prevent races */
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index d02b55261307..b908aacfef48 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -383,6 +383,8 @@ struct fc_rport {	/* aka fc_starget_attrs */
  	struct work_struct stgt_delete_work;
 	struct work_struct rport_delete_work;
 	struct request_queue *rqst_q;	/* bsg support */
+
+	struct workqueue_struct *devloss_work_q;
 } __attribute__((aligned(sizeof(unsigned long))));
 
 /* bit field values for struct fc_rport "flags" field: */
@@ -576,7 +578,6 @@ struct fc_host_attrs {
 
 	/* work queues for rport state manipulation */
 	struct workqueue_struct *work_q;
-	struct workqueue_struct *devloss_work_q;
 
 	/* bsg support */
 	struct request_queue *rqst_q;
@@ -654,8 +655,6 @@ struct fc_host_attrs {
 	(((struct fc_host_attrs *)(x)->shost_data)->npiv_vports_inuse)
 #define fc_host_work_q(x) \
 	(((struct fc_host_attrs *)(x)->shost_data)->work_q)
-#define fc_host_devloss_work_q(x) \
-	(((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q)
 #define fc_host_dev_loss_tmo(x) \
 	(((struct fc_host_attrs *)(x)->shost_data)->dev_loss_tmo)
 #define fc_host_max_ct_payload(x)  \