Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754203AbaLBP3Q (ORCPT ); Tue, 2 Dec 2014 10:29:16 -0500 Received: from exprod7og115.obsmtp.com ([64.18.2.217]:60396 "EHLO exprod7og115.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753178AbaLBP3L (ORCPT ); Tue, 2 Dec 2014 10:29:11 -0500 From: Sreekanth Reddy X-Google-Original-From: Sreekanth Reddy To: jejb@kernel.org, hch@infradead.org Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, JBottomley@Parallels.com, Sathya.Prakash@avagotech.com, Nagalakshmi.Nandigama@avagotech.com, linux-kernel@vger.kernel.org, Sreekanth Reddy , , Tomas Henzl Subject: [PATCH 1/2] Revert "[SCSI] mpt2sas: Remove phys on topology change." Date: Tue, 2 Dec 2014 20:58:46 +0530 Message-Id: <1417534127-6189-2-git-send-email-Sreekanth.Reddy@avagotech.com> X-Mailer: git-send-email 2.0.2 In-Reply-To: <1417534127-6189-1-git-send-email-Sreekanth.Reddy@avagotech.com> References: <1417534127-6189-1-git-send-email-Sreekanth.Reddy@avagotech.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: Cc: Tomas Henzl Signed-off-by: Sreekanth Reddy --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/