scsi: qla2xxx: Remove dead code

Removing drport field and FCPORT_UPDATE_NEEDED signals.
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_attr.c

@@ -2732,7 +2732,7 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
 	spin_lock_irqsave(host->host_lock, flags);
 	/* Confirm port has not reappeared before clearing pointers. */
 	if (rport->port_state != FC_PORTSTATE_ONLINE) {
-		fcport->rport = fcport->drport = NULL;
+		fcport->rport = NULL;
 		*((fc_port_t **)rport->dd_data) = NULL;
 	}
 	spin_unlock_irqrestore(host->host_lock, flags);
@@ -3171,8 +3171,7 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
 
 	set_bit(VPORT_DELETE, &vha->dpc_flags);
 
-	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
-	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
+	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
 		msleep(1000);
 
 

drivers/scsi/qla2xxx/qla_def.h

@@ -2596,7 +2596,7 @@ typedef struct fc_port {
 
 	int login_retry;
 
-	struct fc_rport *rport, *drport;
+	struct fc_rport *rport;
 	u32 supported_classes;
 
 	uint8_t fc4_type;
@@ -4876,7 +4876,6 @@ typedef struct scsi_qla_host {
 #define ISP_ABORT_RETRY		10	/* ISP aborted. */
 #define BEACON_BLINK_NEEDED	11
 #define REGISTER_FDMI_NEEDED	12
-#define FCPORT_UPDATE_NEEDED	13
 #define VP_DPC_NEEDED		14	/* wake up for VP dpc handling */
 #define UNLOADING		15
 #define NPIV_CONFIG_NEEDED	16

drivers/scsi/qla2xxx/qla_init.c

@@ -5224,27 +5224,6 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
 	return (rval);
 }
 
-static void
-qla2x00_rport_del(void *data)
-{
-	fc_port_t *fcport = data;
-	struct fc_rport *rport;
-	unsigned long flags;
-
-	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
-	rport = fcport->drport ? fcport->drport : fcport->rport;
-	fcport->drport = NULL;
-	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
-	if (rport) {
-		ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
-		    "%s %8phN. rport %p roles %x\n",
-		    __func__, fcport->port_name, rport,
-		    rport->roles);
-
-		fc_remote_port_delete(rport);
-	}
-}
-
 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
 {
 	int old_state;
@@ -6761,33 +6740,6 @@ int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
 	return rval;
 }
 
-void
-qla2x00_update_fcports(scsi_qla_host_t *base_vha)
-{
-	fc_port_t *fcport;
-	struct scsi_qla_host *vha, *tvp;
-	struct qla_hw_data *ha = base_vha->hw;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ha->vport_slock, flags);
-	/* Go with deferred removal of rport references. */
-	list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list) {
-		atomic_inc(&vha->vref_count);
-		list_for_each_entry(fcport, &vha->vp_fcports, list) {
-			if (fcport->drport &&
-			    atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
-				spin_unlock_irqrestore(&ha->vport_slock, flags);
-				qla2x00_rport_del(fcport);
-
-				spin_lock_irqsave(&ha->vport_slock, flags);
-			}
-		}
-		atomic_dec(&vha->vref_count);
-		wake_up(&vha->vref_waitq);
-	}
-	spin_unlock_irqrestore(&ha->vport_slock, flags);
-}
-
 /* Assumes idc_lock always held on entry */
 void
 qla83xx_reset_ownership(scsi_qla_host_t *vha)

drivers/scsi/qla2xxx/qla_mid.c

@@ -384,15 +384,6 @@ qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
 		}
 	}
 
-	if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) {
-		ql_dbg(ql_dbg_dpc, vha, 0x4016,
-		    "FCPort update scheduled.\n");
-		qla2x00_update_fcports(vha);
-		clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
-		ql_dbg(ql_dbg_dpc, vha, 0x4017,
-		    "FCPort update end.\n");
-	}
-
 	if (test_bit(RELOGIN_NEEDED, &vha->dpc_flags) &&
 	    !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) &&
 	    atomic_read(&vha->loop_state) != LOOP_DOWN) {

drivers/scsi/qla2xxx/qla_os.c

@@ -7025,11 +7025,6 @@ qla2x00_do_dpc(void *data)
 			}
 		}
 
-		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
-		    &base_vha->dpc_flags)) {
-			qla2x00_update_fcports(base_vha);
-		}
-
 		if (IS_QLAFX00(ha))
 			goto loop_resync_check;
 
@@ -7525,7 +7520,6 @@ qla2x00_timer(struct timer_list *t)
 	/* Schedule the DPC routine if needed */
 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
-	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
 	    start_dpc ||
 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
@@ -7536,13 +7530,10 @@ qla2x00_timer(struct timer_list *t)
 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
 		ql_dbg(ql_dbg_timer, vha, 0x600b,
 		    "isp_abort_needed=%d loop_resync_needed=%d "
-		    "fcport_update_needed=%d start_dpc=%d "
-		    "reset_marker_needed=%d",
+		    "start_dpc=%d reset_marker_needed=%d",
 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
-		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
-		    start_dpc,
-		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
+		    start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
 		ql_dbg(ql_dbg_timer, vha, 0x600c,
 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "