[PATCH] IB/ipath: purge sps_lid and sps_mlid arrays

The two arrays only had space for 4 units.

Also changed from ipath_set_sps_lid() to ipath_set_lid(); the sps was
leftover.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/infiniband/hw/ipath/ipath_common.h

@@ -122,8 +122,7 @@ struct infinipath_stats {
 	__u64 sps_ports;
 	/* list of pkeys (other than default) accepted (0 means not set) */
 	__u16 sps_pkeys[4];
-	/* lids for up to 4 infinipaths, indexed by infinipath # */
-	__u16 sps_lid[4];
+	__u16 sps_unused16[4]; /* available; maintaining compatible layout */
 	/* number of user ports per chip (not IB ports) */
 	__u32 sps_nports;
 	/* not our interrupt, or already handled */
@@ -141,10 +140,8 @@ struct infinipath_stats {
 	 * packets if ipath not configured, sma/mad, etc.)
 	 */
 	__u64 sps_krdrops;
-	/* mlids for up to 4 infinipaths, indexed by infinipath # */
-	__u16 sps_mlid[4];
 	/* pad for future growth */
-	__u64 __sps_pad[45];
+	__u64 __sps_pad[46];
 };
 
 /*

drivers/infiniband/hw/ipath/ipath_init_chip.c

@@ -811,8 +811,6 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
 	/* clear any interrups up to this point (ints still not enabled) */
 	ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, -1LL);
 
-	ipath_stats.sps_lid[dd->ipath_unit] = dd->ipath_lid;
-
 	/*
 	 * Set up the port 0 (kernel) rcvhdr q and egr TIDs.  If doing
 	 * re-init, the simplest way to handle this is to free

drivers/infiniband/hw/ipath/ipath_layer.c

@@ -300,9 +300,8 @@ bail:
 
 EXPORT_SYMBOL_GPL(ipath_layer_set_mtu);
 
-int ipath_set_sps_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
+int ipath_set_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
 {
-	ipath_stats.sps_lid[dd->ipath_unit] = arg;
 	dd->ipath_lid = arg;
 	dd->ipath_lmc = lmc;
 
@@ -316,7 +315,7 @@ int ipath_set_sps_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
 	return 0;
 }
 
-EXPORT_SYMBOL_GPL(ipath_set_sps_lid);
+EXPORT_SYMBOL_GPL(ipath_set_lid);
 
 int ipath_layer_set_guid(struct ipath_devdata *dd, __be64 guid)
 {
@@ -632,9 +631,9 @@ int ipath_layer_open(struct ipath_devdata *dd, u32 * pktmax)
 
 	if (*dd->ipath_statusp & IPATH_STATUS_IB_READY)
 		intval |= IPATH_LAYER_INT_IF_UP;
-	if (ipath_stats.sps_lid[dd->ipath_unit])
+	if (dd->ipath_lid)
 		intval |= IPATH_LAYER_INT_LID;
-	if (ipath_stats.sps_mlid[dd->ipath_unit])
+	if (dd->ipath_mlid)
 		intval |= IPATH_LAYER_INT_BCAST;
 	/*
 	 * do this on open, in case low level is already up and

drivers/infiniband/hw/ipath/ipath_layer.h

@@ -129,7 +129,7 @@ u16 ipath_layer_get_bcast(struct ipath_devdata *dd);
 u32 ipath_layer_get_cr_errpkey(struct ipath_devdata *dd);
 int ipath_layer_set_linkstate(struct ipath_devdata *dd, u8 state);
 int ipath_layer_set_mtu(struct ipath_devdata *, u16);
-int ipath_set_sps_lid(struct ipath_devdata *, u32, u8);
+int ipath_set_lid(struct ipath_devdata *, u32, u8);
 int ipath_layer_send_hdr(struct ipath_devdata *dd,
 			 struct ether_header *hdr);
 int ipath_verbs_send(struct ipath_devdata *dd, u32 hdrwords,

drivers/infiniband/hw/ipath/ipath_mad.c

@@ -308,7 +308,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
 		/* Must be a valid unicast LID address. */
 		if (lid == 0 || lid >= IPS_MULTICAST_LID_BASE)
 			goto err;
-		ipath_set_sps_lid(dev->dd, lid, pip->mkeyprot_resv_lmc & 7);
+		ipath_set_lid(dev->dd, lid, pip->mkeyprot_resv_lmc & 7);
 		event.event = IB_EVENT_LID_CHANGE;
 		ib_dispatch_event(&event);
 	}

drivers/infiniband/hw/ipath/ipath_sysfs.c

@@ -115,11 +115,6 @@ DRIVER_STAT(pkey0, pkeys[0]);
 DRIVER_STAT(pkey1, pkeys[1]);
 DRIVER_STAT(pkey2, pkeys[2]);
 DRIVER_STAT(pkey3, pkeys[3]);
-/* XXX fix the following when dynamic table of devices used */
-DRIVER_STAT(lid0, lid[0]);
-DRIVER_STAT(lid1, lid[1]);
-DRIVER_STAT(lid2, lid[2]);
-DRIVER_STAT(lid3, lid[3]);
 
 DRIVER_STAT(nports, nports);
 DRIVER_STAT(null_intr, nullintr);
@@ -128,11 +123,6 @@ DRIVER_STAT(avg_pkts_call, avgpkts_call);
 DRIVER_STAT(page_locks, pagelocks);
 DRIVER_STAT(page_unlocks, pageunlocks);
 DRIVER_STAT(krdrops, krdrops);
-/* XXX fix the following when dynamic table of devices used */
-DRIVER_STAT(mlid0, mlid[0]);
-DRIVER_STAT(mlid1, mlid[1]);
-DRIVER_STAT(mlid2, mlid[2]);
-DRIVER_STAT(mlid3, mlid[3]);
 
 static struct attribute *driver_stat_attributes[] = {
 	&driver_attr_intrs.attr,
@@ -155,10 +145,6 @@ static struct attribute *driver_stat_attributes[] = {
 	&driver_attr_pkey1.attr,
 	&driver_attr_pkey2.attr,
 	&driver_attr_pkey3.attr,
-	&driver_attr_lid0.attr,
-	&driver_attr_lid1.attr,
-	&driver_attr_lid2.attr,
-	&driver_attr_lid3.attr,
 	&driver_attr_nports.attr,
 	&driver_attr_null_intr.attr,
 	&driver_attr_max_pkts_call.attr,
@@ -166,10 +152,6 @@ static struct attribute *driver_stat_attributes[] = {
 	&driver_attr_page_locks.attr,
 	&driver_attr_page_unlocks.attr,
 	&driver_attr_krdrops.attr,
-	&driver_attr_mlid0.attr,
-	&driver_attr_mlid1.attr,
-	&driver_attr_mlid2.attr,
-	&driver_attr_mlid3.attr,
 	NULL
 };
 
@@ -273,7 +255,7 @@ static ssize_t store_lid(struct device *dev,
 			  size_t count)
 {
 	struct ipath_devdata *dd = dev_get_drvdata(dev);
-	u16 lid;
+	u16 lid = 0;
 	int ret;
 
 	ret = ipath_parse_ushort(buf, &lid);
@@ -285,11 +267,11 @@ static ssize_t store_lid(struct device *dev,
 		goto invalid;
 	}
 
-	ipath_set_sps_lid(dd, lid, 0);
+	ipath_set_lid(dd, lid, 0);
 
 	goto bail;
 invalid:
-	ipath_dev_err(dd, "attempt to set invalid LID\n");
+	ipath_dev_err(dd, "attempt to set invalid LID 0x%x\n", lid);
 bail:
 	return ret;
 }
@@ -320,7 +302,6 @@ static ssize_t store_mlid(struct device *dev,
 	unit = dd->ipath_unit;
 
 	dd->ipath_mlid = mlid;
-	ipath_stats.sps_mlid[unit] = mlid;
 	ipath_layer_intr(dd, IPATH_LAYER_INT_BCAST);
 
 	goto bail;