[PATCH v7 6/8] mpt3sas: Don't modify EEDPTagMode field setting on SAS3.5 HBA devices

From: Suganath Prabu
Date: Wed Oct 31 2018 - 09:24:51 EST


If EEDPTagMode field in manufacturing page11 is set then
unset it. This is needed to fix a hardware bug only
in SAS3/SAS2 cards. So, skipping EEDPTagMode changes
in Manufacturing page11 for SAS 3.5 controllers.

Signed-off-by: Suganath Prabu <suganath-prabu.subramani@xxxxxxxxxxxx>
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index f25bc3c..9254b52 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -4060,7 +4060,7 @@ _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;
--
1.8.3.1