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authorSreekanth Reddy <sreekanth.reddy@avagotech.com>2014-12-02 20:58:46 +0530
committerChristoph Hellwig <hch@lst.de>2014-12-04 09:58:33 +0100
commit81a89c2d891b78695aa7e4cc0d5a7427785ae078 (patch)
tree199162274470409d6b2789ed59e6c3c4e1caa1f0
parent51879016b0289e314a12ace57c927fe94a80bb39 (diff)
downloadop-kernel-dev-81a89c2d891b78695aa7e4cc0d5a7427785ae078.zip
op-kernel-dev-81a89c2d891b78695aa7e4cc0d5a7427785ae078.tar.gz
Revert "[SCSI] mpt2sas: Remove phys on topology change."
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@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>
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_transport.c5
1 files changed, 1 insertions, 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 =
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