diff --git a/[refs] b/[refs]
index 2d8aa5ec45db..992340793fe9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9b5cd13249af3eb023ee7ba9ff63c16c25488d03
+refs/heads/master: 5e95e731115c391d36868cd36f499a8ce16c7959
diff --git a/trunk/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/trunk/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index bfda0ecd960d..96f4d1f1cf5e 100644
--- a/trunk/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/trunk/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -123,6 +123,11 @@ static int disable_discovery = -1;
 module_param(disable_discovery, int, 0);
 MODULE_PARM_DESC(disable_discovery, " disable discovery ");
 
+/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
+static int prot_mask = 0;
+module_param(prot_mask, int, 0);
+MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
+
 /**
  * struct sense_info - common structure for obtaining sense keys
  * @skey: sense key
@@ -8088,8 +8093,14 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto out_add_shost_fail;
 	}
 
-	scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
-	    | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION);
+	/* register EEDP capabilities with SCSI layer */
+	if (prot_mask)
+		scsi_host_set_prot(shost, prot_mask);
+	else
+		scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
+				   | SHOST_DIF_TYPE2_PROTECTION
+				   | SHOST_DIF_TYPE3_PROTECTION);
+
 	scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
 
 	/* event thread */