1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 75abd0453289..7f11c8540ead 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -315,6 +315,13 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
                 - sizeof(struct aac_fibhdr)
                 - sizeof(struct aac_write) + sizeof(struct sgmap))
                         / sizeof(struct sgmap);
+        dev->raw_io_64 = 0;
+        if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
+                0, 0, 0, 0, 0, 0, status+0, status+1, status+2, NULL, NULL)) &&
+                        (status[0] == 0x00000001)) {
+                if (status[1] & AAC_OPT_NEW_COMM_64)
+                        dev->raw_io_64 = 1;
+        }
         if ((!aac_adapter_sync_cmd(dev, GET_COMM_PREFERRED_SETTINGS,
           0, 0, 0, 0, 0, 0,
           status+0, status+1, status+2, status+3, status+4))