[SCSI] mptsas: use unnumbered port API and remove driver porttracking

This allows us to be rid of the machinery in mptsas for creating and
tracking port numbers.  Since mptsas is merely inventing the numbers,
the SAS transport class may as well do it instead.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/message/fusion/mptbase.h

@@ -644,7 +644,6 @@ typedef struct _MPT_ADAPTER
 	struct work_struct	 fc_rescan_work;
 	char			 fc_rescan_work_q_name[KOBJ_NAME_LEN];
 	struct workqueue_struct *fc_rescan_work_q;
-	u8		port_serial_number;
 } MPT_ADAPTER;
 
 /*

drivers/message/fusion/mptsas.c

@@ -144,7 +144,6 @@ struct mptsas_devinfo {
  * Specific details on ports, wide/narrow
  */
 struct mptsas_portinfo_details{
-	u8	port_id; 	/* port number provided to transport */
 	u16	num_phys;	/* number of phys belong to this port */
 	u64	phy_bitmask; 	/* TODO, extend support for 255 phys */
 	struct sas_rphy *rphy;	/* transport layer rphy object */
@@ -350,10 +349,10 @@ mptsas_port_delete(struct mptsas_portinfo_details * port_details)
 	port_info = port_details->port_info;
 	phy_info = port_info->phy_info;
 
-	dsaswideprintk((KERN_DEBUG "%s: [%p]: port=%02d num_phys=%02d "
+	dsaswideprintk((KERN_DEBUG "%s: [%p]: num_phys=%02d "
 	    	"bitmask=0x%016llX\n",
-		__FUNCTION__, port_details, port_details->port_id,
-		port_details->num_phys, port_details->phy_bitmask));
+		__FUNCTION__, port_details, port_details->num_phys,
+		    port_details->phy_bitmask));
 
 	for (i = 0; i < port_info->num_phys; i++, phy_info++) {
 		if(phy_info->port_details != port_details)
@@ -462,9 +461,8 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 		 * phy be removed by firmware events.
 		 */
 		dsaswideprintk((KERN_DEBUG
-			"%s: [%p]: port=%d deleting phy = %d\n",
-			__FUNCTION__, port_details,
-			port_details->port_id, i));
+			"%s: [%p]: deleting phy = %d\n",
+			__FUNCTION__, port_details, i));
 		port_details->num_phys--;
 		port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
 		memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
@@ -493,7 +491,6 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 				goto out;
 			port_details->num_phys = 1;
 			port_details->port_info = port_info;
-			port_details->port_id = ioc->port_serial_number++;
 			if (phy_info->phy_id < 64 )
 				port_details->phy_bitmask |=
 				    (1 << phy_info->phy_id);
@@ -525,12 +522,8 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 				    mptsas_get_port(phy_info_cmp);
 				port_details->starget =
 				    mptsas_get_starget(phy_info_cmp);
-				port_details->port_id =
-					phy_info_cmp->port_details->port_id;
 				port_details->num_phys =
 					phy_info_cmp->port_details->num_phys;
-//				port_info->port_serial_number--;
-				ioc->port_serial_number--;
 				if (!phy_info_cmp->port_details->num_phys)
 					kfree(phy_info_cmp->port_details);
 			} else
@@ -554,11 +547,11 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 		if (!port_details)
 			continue;
 		dsaswideprintk((KERN_DEBUG
-			"%s: [%p]: phy_id=%02d port_id=%02d num_phys=%02d "
+			"%s: [%p]: phy_id=%02d num_phys=%02d "
 		    	"bitmask=0x%016llX\n",
 			__FUNCTION__,
-			port_details, i, port_details->port_id,
-			port_details->num_phys, port_details->phy_bitmask));
+			port_details, i, port_details->num_phys,
+			port_details->phy_bitmask));
 		dsaswideprintk((KERN_DEBUG"\t\tport = %p rphy=%p\n",
 			port_details->port, port_details->rphy));
 	}
@@ -1608,11 +1601,7 @@ static int mptsas_probe_one_phy(struct device *dev,
 	if (phy_info->sas_port_add_phy) {
 
 		if (!port) {
-			port = sas_port_alloc(dev,
-			    phy_info->port_details->port_id);
-			dsaswideprintk((KERN_DEBUG
-			    "sas_port_alloc: port=%p dev=%p port_id=%d\n",
-			    port, dev, phy_info->port_details->port_id));
+			port = sas_port_alloc_num(dev);
 			if (!port) {
 				error = -ENOMEM;
 				goto out;
@@ -1625,6 +1614,9 @@ static int mptsas_probe_one_phy(struct device *dev,
 				goto out;
 			}
 			mptsas_set_port(phy_info, port);
+			dsaswideprintk((KERN_DEBUG
+			    "sas_port_alloc: port=%p dev=%p port_id=%d\n",
+			    port, dev, port->port_identifier));
 		}
 		dsaswideprintk((KERN_DEBUG "sas_port_add_phy: phy_id=%d\n",
 		    phy_info->phy_id));
@@ -1939,7 +1931,8 @@ mptsas_delete_expander_phys(MPT_ADAPTER *ioc)
 					expander_sas_address)
 					continue;
 #ifdef MPT_DEBUG_SAS_WIDE
-				dev_printk(KERN_DEBUG, &port->dev, "delete\n");
+				dev_printk(KERN_DEBUG, &port->dev,
+				    "delete port (%d)\n", port->port_identifier);
 #endif
 				sas_port_delete(port);
 				mptsas_port_delete(phy_info->port_details);
@@ -2185,7 +2178,8 @@ mptsas_hotplug_work(void *arg)
 		       ioc->name, ds, ev->channel, ev->id, phy_info->phy_id);
 
 #ifdef MPT_DEBUG_SAS_WIDE
-		dev_printk(KERN_DEBUG, &port->dev, "delete\n");
+		dev_printk(KERN_DEBUG, &port->dev,
+		    "delete port (%d)\n", port->port_identifier);
 #endif
 		sas_port_delete(port);
 		mptsas_port_delete(phy_info->port_details);