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Revert "[SCSI] mpt2sas: Remove phys on topology change." 

This reverts commit 3520f9c779
("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@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 20:58:46 +05:30 committed by Christoph Hellwig
parent 51879016b0
commit 81a89c2d89
1 changed files with 1 additions and 4 deletions
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5
drivers/scsi/mpt2sas/mpt2sas_transport.c
View File

@ -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 =