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Revert "[SCSI] mpt3sas: Remove phys on topology change"

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This reverts commit 963ba22b90a955363644cd397b20226928eab976
("mpt3sas: Remove phys on topology change")

Reverting the previous mpt3sas 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@vger.kernel.org>
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sreekanth Reddy 2014-12-02 20:58:47 +05:30 committed by Christoph Hellwig
parent 81a89c2d89
commit 2311ce4d9c
1 changed files with 1 additions and 4 deletions
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5
drivers/scsi/mpt3sas/mpt3sas_transport.c
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@ -1003,12 +1003,9 @@ mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
&mpt3sas_phy->remote_identify);
_transport_add_phy_to_an_existing_port(ioc, sas_node,
mpt3sas_phy, mpt3sas_phy->remote_identify.sas_address);
} else {
} else
memset(&mpt3sas_phy->remote_identify, 0 , sizeof(struct
sas_identify));
_transport_del_phy_from_an_existing_port(ioc, sas_node,
mpt3sas_phy);
}
if (mpt3sas_phy->phy)
mpt3sas_phy->phy->negotiated_linkrate =