qla2xxx: Force use of mailbox interface for flash access commands for ISP27xx.

Signed-off-by: NChad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: NSaurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>

drivers/scsi/qla2xxx/qla_init.c

@@ -1848,7 +1848,9 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
 	}
 
-	if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
+	if (IS_QLA27XX(ha))
+		ha->flags.fac_supported = 1;
+	else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
 		uint32_t size;
 
 		rval = qla81xx_fac_get_sector_size(vha, &size);