1 files changed, 9 insertions, 17 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_iba7220.c b/drivers/infiniband/hw/ipath/ipath_iba7220.c
index e3ec0d1bdf50..8eee7830f042 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba7220.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba7220.c
@@ -595,7 +595,7 @@ static void ipath_7220_txe_recover(struct ipath_devdata *dd)
 
         dev_info(&dd->pcidev->dev,
                 "Recovering from TXE PIO parity error\n");
-        ipath_disarm_senderrbufs(dd, 1);
+        ipath_disarm_senderrbufs(dd);
 }
 
 
@@ -675,10 +675,8 @@ static void ipath_7220_handle_hwerrors(struct ipath_devdata *dd, char *msg,
         ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
         if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
                 /*
-                 * Parity errors in send memory are recoverable,
-                 * just cancel the send (if indicated in * sendbuffererror),
-                 * count the occurrence, unfreeze (if no other handled
-                 * hardware error bits are set), and continue.
+                 * Parity errors in send memory are recoverable by h/w
+                 * just do housekeeping, exit freeze mode and continue.
                  */
                 if (hwerrs & ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
                                INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
@@ -687,13 +685,6 @@ static void ipath_7220_handle_hwerrors(struct ipath_devdata *dd, char *msg,
                         hwerrs &= ~((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
                                      INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
                                     << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT);
-                        if (!hwerrs) {
-                                /* else leave in freeze mode */
-                                ipath_write_kreg(dd,
-                                                 dd->ipath_kregs->kr_control,
-                                                 dd->ipath_control);
-                                goto bail;
-                        }
                 }
                 if (hwerrs) {
                         /*
@@ -723,8 +714,8 @@ static void ipath_7220_handle_hwerrors(struct ipath_devdata *dd, char *msg,
                         *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
                         dd->ipath_flags &= ~IPATH_INITTED;
                 } else {
-                        ipath_dbg("Clearing freezemode on ignored hardware "
-                                  "error\n");
+                        ipath_dbg("Clearing freezemode on ignored or "
+                                "recovered hardware error\n");
                         ipath_clear_freeze(dd);
                 }
         }
@@ -870,8 +861,9 @@ static int ipath_7220_boardname(struct ipath_devdata *dd, char *name,
                               "revision %u.%u!\n",
                               dd->ipath_majrev, dd->ipath_minrev);
                 ret = 1;
-        } else if (dd->ipath_minrev == 1) {
-                /* Rev1 chips are prototype. Complain, but allow use */
+        } else if (dd->ipath_minrev == 1 &&
+                !(dd->ipath_flags & IPATH_INITTED)) {
+                /* Rev1 chips are prototype. Complain at init, but allow use */
                 ipath_dev_err(dd, "Unsupported hardware "
                               "revision %u.%u, Contact support@qlogic.com\n",
                               dd->ipath_majrev, dd->ipath_minrev);
@@ -1966,7 +1958,7 @@ static void ipath_7220_config_ports(struct ipath_devdata *dd, ushort cfgports)
                          dd->ipath_rcvctrl);
         dd->ipath_p0_rcvegrcnt = 2048; /* always */
         if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
-                dd->ipath_pioreserved = 1; /* reserve a buffer */
+                dd->ipath_pioreserved = 3; /* kpiobufs used for PIO */
 }