1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index d0c64d514813..4d352b90750a 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -3132,6 +3132,7 @@ static void get_6120_chip_params(struct qib_devdata *dd)
         val = qib_read_kreg64(dd, kr_sendpiobufcnt);
         dd->piobcnt2k = val & ~0U;
         dd->piobcnt4k = val >> 32;
+        dd->last_pio = dd->piobcnt4k + dd->piobcnt2k - 1;
         /* these may be adjusted in init_chip_wc_pat() */
         dd->pio2kbase = (u32 __iomem *)
                 (((char __iomem *)dd->kregbase) + dd->pio2k_bufbase);