From: Sreekanth Reddy Date: Tue, 2 Dec 2014 15:28:47 +0000 (+0530) Subject: Revert "[SCSI] mpt3sas: Remove phys on topology change" X-Git-Tag: firefly_0821_release~176^2~2603^2^2~8 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2311ce4d9c91ed63a46e18f0378f3e406e7e888e;p=firefly-linux-kernel-4.4.55.git Revert "[SCSI] mpt3sas: Remove phys on topology change" 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: Signed-off-by: Sreekanth Reddy Reviewed-by: Tomas Henzl Signed-off-by: Christoph Hellwig --- diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index d4bafaaebea9..3637ae6c0171 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -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 =