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authorSuganath Prabu <suganath-prabu.subramani@broadcom.com>2018-10-31 16:23:37 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2018-11-07 04:16:01 +0300
commit6cd1bc7b9b5075d395ba0120923903873fc7ea0e (patch)
tree9095e8269593499084c1c95f9564dc0c39817442
parent9029a72500b95578a35877a43473b82cb0386c53 (diff)
downloadlinux-6cd1bc7b9b5075d395ba0120923903873fc7ea0e.tar.xz
scsi: mpt3sas: Don't modify EEDPTagMode field setting on SAS3.5 HBA devices
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@broadcom.com> Reviewed-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index f25bc3c4f5ac..9254b527faa1 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;