linux-kernel - [PATCH 033/145] [SCSI] mpt2sas: fix firmware failure with wrong task attribute

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Message-Id: <1374101277-7915-34-git-send-email-kamal@canonical.com>
Date:	Wed, 17 Jul 2013 15:46:05 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Sreekanth Reddy <Sreekanth.Reddy@....com>,
	James Bottomley <JBottomley@...allels.com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 033/145] [SCSI] mpt2sas: fix firmware failure with wrong task attribute

3.8.13.5 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sreekanth Reddy <Sreekanth.Reddy@....com>

commit 48ba2efc382f94fae16ca8ca011e5961a81ad1ea upstream.

When SCSI command is received with task attribute not set, set it to SIMPLE.
Previously it is set to untagged. This causes the firmware to fail the commands.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@....com>
Signed-off-by: James Bottomley <JBottomley@...allels.com>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 01dfbab..c78216c 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -3998,11 +3998,7 @@ _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
 			else
 				mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
 		} else
-/* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
-/*			mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
- */
-			mpi_control |= (0x500);
-
+			mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
 	} else
 		mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
 	/* Make sure Device is not raid volume.
-- 
1.8.1.2

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