X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fscsi%2Flibsas%2Fsas_expander.c;h=e34442e405e8a8aa96e05f0f195b20958a9a2ddb;hb=c685ce059d42ebda7822786498dfd366695457f6;hp=d9b9a008d36d60ddbcb6b821a246f4b1e30069e8;hpb=6f63caae2172e97e528b58319480217b0b36542e;p=powerpc.git

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index d9b9a008d3..e34442e405 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -22,7 +22,6 @@
  *
  */
 
-#include <linux/pci.h>
 #include <linux/scatterlist.h>
 
 #include "sas_internal.h"
@@ -678,6 +677,29 @@ static struct domain_device *sas_ex_discover_end_dev(
 	return NULL;
 }
 
+/* See if this phy is part of a wide port */
+static int sas_ex_join_wide_port(struct domain_device *parent, int phy_id)
+{
+	struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id];
+	int i;
+
+	for (i = 0; i < parent->ex_dev.num_phys; i++) {
+		struct ex_phy *ephy = &parent->ex_dev.ex_phy[i];
+
+		if (ephy == phy)
+			continue;
+
+		if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr,
+			    SAS_ADDR_SIZE) && ephy->port) {
+			sas_port_add_phy(ephy->port, phy->phy);
+			phy->phy_state = PHY_DEVICE_DISCOVERED;
+			return 0;
+		}
+	}
+
+	return -ENODEV;
+}
+
 static struct domain_device *sas_ex_discover_expander(
 	struct domain_device *parent, int phy_id)
 {
@@ -810,6 +832,13 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 		return res;
 	}
 
+	res = sas_ex_join_wide_port(dev, phy_id);
+	if (!res) {
+		SAS_DPRINTK("Attaching ex phy%d to wide port %016llx\n",
+			    phy_id, SAS_ADDR(ex_phy->attached_sas_addr));
+		return res;
+	}
+
 	switch (ex_phy->attached_dev_type) {
 	case SAS_END_DEV:
 		child = sas_ex_discover_end_dev(dev, phy_id);