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path: root/drivers/infiniband/hw/ipath/ipath_intr.c
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Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_intr.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_intr.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 826b96b3995..3bad601fcc9 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -300,6 +300,18 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
ltstate = ipath_ib_linktrstate(dd, ibcs); /* linktrainingtate */
/*
+ * Since going into a recovery state causes the link state to go
+ * down and since recovery is transitory, it is better if we "miss"
+ * ever seeing the link training state go into recovery (i.e.,
+ * ignore this transition for link state special handling purposes)
+ * without even updating ipath_lastibcstat.
+ */
+ if ((ltstate == INFINIPATH_IBCS_LT_STATE_RECOVERRETRAIN) ||
+ (ltstate == INFINIPATH_IBCS_LT_STATE_RECOVERWAITRMT) ||
+ (ltstate == INFINIPATH_IBCS_LT_STATE_RECOVERIDLE))
+ goto done;
+
+ /*
* if linkstate transitions into INIT from any of the various down
* states, or if it transitions from any of the up (INIT or better)
* states into any of the down states (except link recovery), then
@@ -316,7 +328,7 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
}
} else if ((lastlstate >= INFINIPATH_IBCS_L_STATE_INIT ||
(dd->ipath_flags & IPATH_IB_FORCE_NOTIFY)) &&
- ltstate <= INFINIPATH_IBCS_LT_STATE_CFGDEBOUNCE &&
+ ltstate <= INFINIPATH_IBCS_LT_STATE_CFGWAITRMT &&
ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP) {
int handled;
handled = dd->ipath_f_ib_updown(dd, 0, ibcs);
@@ -460,6 +472,8 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
skip_ibchange:
dd->ipath_lastibcstat = ibcs;
+done:
+ return;
}
static void handle_supp_msgs(struct ipath_devdata *dd,