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From: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
To: helgaas@kernel.org, lukas@wunner.de, linux-scsi@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: benh@kernel.crashing.org, ruscur@russell.cc,
	sbobroff@linux.ibm.com, oohall@gmail.com,
	andy.shevchenko@gmail.com, Sathya.Prakash@broadcom.com,
	sreekanth.reddy@broadcom.com,
	Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Subject: [v5 3/4] mpt3sas:Fix driver modifying persistent data.
Date: Wed, 17 Oct 2018 11:29:06 +0530	[thread overview]
Message-ID: <1539755947-27014-4-git-send-email-suganath-prabu.subramani@broadcom.com> (raw)
In-Reply-To: <1539755947-27014-1-git-send-email-suganath-prabu.subramani@broadcom.com>

* If EEDPTagMode field in manufacturing page11 is set,
unset it. This is needed to fix a hardware bug
in SAS3/SAS2 cards, So, skipping EEDPTagMode changes
in Manufacturing page11 for SAS35 controllers.

* Fix driver modifying NVRAM/persistent data in
Manufacturing page11 along with current copy. Driver should
change only current copy of Manufacturing page11.

Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
---
 drivers/scsi/mpt3sas/mpt3sas_base.c   | 2 +-
 drivers/scsi/mpt3sas/mpt3sas_config.c | 4 ----
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index a6c217c..770f52b 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -4062,7 +4062,7 @@ _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
 	 * flag unset in NVDATA.
 	 */
 	mpt3sas_config_get_manufacturing_pg11(ioc, &mpi_reply, &ioc->manu_pg11);
-	if (ioc->manu_pg11.EEDPTagMode == 0) {
+	if ((!ioc->is_gen35_ioc) && (ioc->manu_pg11.EEDPTagMode == 0)) {
 		pr_err("%s: overriding NVDATA EEDPTagMode setting\n",
 		    ioc->name);
 		ioc->manu_pg11.EEDPTagMode &= ~0x3;
diff --git a/drivers/scsi/mpt3sas/mpt3sas_config.c b/drivers/scsi/mpt3sas/mpt3sas_config.c
index 14a195c..aa41cb9 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_config.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_config.c
@@ -660,10 +660,6 @@ mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
 	r = _config_request(ioc, &mpi_request, mpi_reply,
 	    MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
 	    sizeof(*config_page));
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
  out:
 	return r;
 }
-- 
1.8.3.1


  parent reply	other threads:[~2018-10-17  5:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-17  5:59 [v5 0/4] mpt3sas: Hot-Plug Surprise removal support on IOC Suganath Prabu
2018-10-17  5:59 ` [v5 1/4] mpt3sas: Separate out mpt3sas_wait_for_ioc_to_operational Suganath Prabu
2018-10-17  8:17   ` Andy Shevchenko
2018-10-17  8:19     ` Andy Shevchenko
     [not found]       ` <CA+RiK66_gpLvzFyztdQ3BdX11wn2uRfxoF6hhRg1TXoERe7z3Q@mail.gmail.com>
2018-10-18  7:22         ` Andy Shevchenko
2018-10-17  5:59 ` [v5 2/4] mpt3sas: Fix Sync cache command failure during driver unload Suganath Prabu
2018-10-17  8:32   ` Andy Shevchenko
     [not found]     ` <CA+RiK67067aV9Ky5m8uCGLGcvjbBRxqFVeyB0CsYcvSw7rgqJg@mail.gmail.com>
2018-10-18  7:23       ` Andy Shevchenko
2018-10-17  5:59 ` Suganath Prabu [this message]
2018-10-17  8:24   ` [v5 3/4] mpt3sas:Fix driver modifying persistent data Andy Shevchenko
2018-10-18  7:16     ` Suganath Prabu Subramani
2018-10-17  5:59 ` [v5 4/4] mpt3sas: Bump driver version to 27.100.00.00 Suganath Prabu

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