[PATCH 1/2] Revert "[SCSI] mpt2sas: Remove phys on topology change."

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This reverts commit 3520f9c779bed098ca76dd3fb6377264301d57ed
("mpt2sas: Remove phys on topology change")

Reverting the previous mpt2sas drives patch changes,
since we will observe below issue

Issue:
Drives connected Enclosure/Expander will unregister with
SCSI Transport Layer, if any one remove and add expander
cable with in DMD (Device Missing Delay) time period or
even any one power-off and power-on the Enclosure with in
the DMD period.

Cc: <stable@xxxxxxxxxxxxxxx>
Cc: Tomas Henzl <thenzl@xxxxxxxxxx>
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@xxxxxxxxxxxxx>
---
 drivers/scsi/mpt2sas/mpt2sas_transport.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index 0d1d064..e689bf2 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -1006,12 +1006,9 @@ mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
 		    &mpt2sas_phy->remote_identify);
 		_transport_add_phy_to_an_existing_port(ioc, sas_node,
 		    mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address);
-	} else {
+	} else
 		memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct
 		    sas_identify));
-		_transport_del_phy_from_an_existing_port(ioc, sas_node,
-		    mpt2sas_phy);
-	}
 
 	if (mpt2sas_phy->phy)
 		mpt2sas_phy->phy->negotiated_linkrate =
-- 
2.0.2

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